阅读说明：本技术 一种轴承套圈精车液压卡爪 (Hydraulic jack catch for finish turning of bearing ring ) 是由 马兴法 吴敏 肖远 于 2021-07-16 设计创作，主要内容包括：本发明属于机械设备技术领域,尤其为一种轴承套圈精车液压卡爪,包括定心圈和工件,定心圈的上端面开设有多组均匀分布的凹槽,多组凹槽的内部底端均开设有安装槽,安装槽的内部安装有油缸,油缸的输出端安装有活塞杆,活塞杆的输出端安装有压环,定心圈的外侧壁下端安装有等高块,等高块的上端由内到外依次设置有四个均匀分布的动圈和卡爪,四个动圈和卡爪的外侧壁分别贯穿开设有多个均匀分布的通孔和固定孔,四个通孔分别与四个固定孔连通,定心圈的外侧壁贯穿开设有与通孔和固定孔相匹配的活动孔,定心圈的内部设置有与活动孔相匹配的螺杆,多个螺杆的外侧壁由内到外依次安装有螺帽、弹簧套和弹簧,该种液压卡爪,具有卡爪能自动复位的特点。(The invention belongs to the technical field of mechanical equipment, and particularly relates to a bearing ring finish turning hydraulic clamping jaw which comprises a centering ring and a workpiece, wherein a plurality of groups of uniformly distributed grooves are formed in the upper end surface of the centering ring, mounting grooves are formed in the bottom ends of the grooves, an oil cylinder is mounted in each mounting groove, a piston rod is mounted at the output end of the oil cylinder, a compression ring is mounted at the output end of the piston rod, an equal-height block is mounted at the lower end of the outer side wall of the centering ring, four uniformly distributed moving rings and clamping jaws are sequentially arranged at the upper ends of the equal-height blocks from inside to outside, a plurality of uniformly distributed through holes and fixed holes are respectively formed in the outer side walls of the four moving rings and clamping jaws in a penetrating manner, the four through holes are respectively communicated with the four fixed holes, movable holes matched with the through holes and the fixed holes are formed in the outer side wall of the centering ring, screw rods matched with the movable holes are arranged in the inner part of the centering ring, and nuts are sequentially mounted on the outer side walls of the screw rods from inside to outside, Spring housing and spring, this hydraulic pressure jack catch has the characteristics that the jack catch can automatic re-setting.)

1. The utility model provides a bearing ring finish turning hydraulic jack catch, includes centering ring and work piece, its characterized in that: the upper end face of the centering ring is provided with a plurality of groups of uniformly distributed grooves, the bottom ends of the inner parts of the plurality of groups of grooves are provided with mounting grooves, an oil cylinder is arranged in each mounting groove, the output end of the oil cylinder is provided with a piston rod, the output end of the piston rod is provided with a press ring, the lower end of the outer side wall of the centering ring is provided with an equal-height block, the upper end of the equal-height block is sequentially provided with four uniformly distributed moving rings and clamping jaws from inside to outside, the outer side walls of the four moving rings and the clamping jaws are respectively provided with a plurality of uniformly distributed through holes and fixing holes in a penetrating manner, the four through holes are respectively communicated with the four fixing holes, the outer side wall of the centering ring is provided with a moving hole matched with the through holes and the fixing holes in a penetrating manner, the outer ends of the plurality of screws sequentially penetrate through the moving holes and the through holes and extend to the inside of the fixing holes and are in threaded connection with the fixing holes, and the outer side wall of the plurality of screw rods is sequentially provided with a screw cap, a spring sleeve and a spring from inside to outside.

2. The fine turning hydraulic jaw of a bearing ring according to claim 1, characterized in that: guide pressing plates are arranged at two ends of the four moving coils and the two clamping jaws, and clamping grooves matched with the guide pressing plates are formed in the upper end faces of the equal-height blocks.

3. The fine turning hydraulic jaw of a bearing ring according to claim 1, characterized in that: and an oil cylinder pressing plate matched with the groove is arranged on the upper end surface of the oil cylinder.

4. The fine turning hydraulic jaw of a bearing ring according to claim 1, characterized in that: the outer side wall of the screw rods is movably connected with the inner side wall of the movable hole, and the inner diameter of the through holes is larger than the outer diameter of the screw rods.

5. The fine turning hydraulic jaw of a bearing ring according to claim 1, characterized in that: the upper end of the inner side wall of the clamping jaw is provided with a movable groove.

Technical Field

The invention relates to the technical field of mechanical equipment, in particular to a hydraulic jaw for finish turning of a bearing ring.

Background

With the increasing of the numerical control lathe, the hydraulic clamping jaw is widely used along with the increasing of the numerical control lathe, and the hydraulic clamping jaw is accepted by the processing industry due to high clamping precision, stable clamping and uniform force.

However, when the existing hydraulic jack catch is used, the jack catch does not have the function of automatic reset, and the practicability is poor.

Disclosure of Invention

In order to solve the problems in the background art, the invention provides a bearing ring finish turning hydraulic jaw which has the characteristics of convenience in sewage purification and low purification cost.

In order to achieve the purpose, the invention provides the following technical scheme: a bearing ring finish turning hydraulic clamping jaw comprises a centering ring and a workpiece, wherein a plurality of groups of uniformly distributed grooves are formed in the upper end face of the centering ring, mounting grooves are formed in the bottom ends of the groups of grooves, an oil cylinder is mounted in each mounting groove, a piston rod is mounted at the output end of the oil cylinder, a pressing ring is mounted at the output end of the piston rod, equal-height blocks are mounted at the lower end of the outer side wall of the centering ring, four uniformly distributed moving rings and clamping jaws are sequentially arranged at the upper ends of the equal-height blocks from inside to outside, a plurality of uniformly distributed through holes and fixed holes are formed in the outer side walls of the four moving rings and clamping jaws in a penetrating manner respectively, the four through holes are respectively communicated with the four fixed holes, movable holes matched with the through holes and the fixed holes are formed in the outer side wall of the centering ring in a penetrating manner, and screws matched with the movable holes are arranged in the centering ring, a plurality of the outer end of screw rod runs through activity hole and through-hole in proper order and extends to the inside and the fixed orifices threaded connection of fixed orifices, and is a plurality of nut, spring housing and spring are installed in proper order by inside to outside to the lateral wall of screw rod.

In order to limit the moving coils and the clamping jaws, the preferred bearing ring finish turning hydraulic clamping jaws are characterized in that guide pressing plates are arranged at two ends of the four moving coils and the two ends of the four clamping jaws, and clamping grooves matched with the guide pressing plates are formed in the upper end faces of the equal-height blocks.

In order to fix the oil cylinder conveniently, the bearing ring finish turning hydraulic claw is preferably used, and an oil cylinder pressing plate matched with the groove is arranged on the upper end surface of the oil cylinder.

In order to enable the moving ring to move up and down, the fine turning hydraulic jaw for the bearing ring is preferably used, the outer side walls of the plurality of screw rods are movably connected with the inner side wall of the moving hole, and the inner diameters of the plurality of through holes are larger than the outer diameter of the screw rods.

In order not to influence the up-and-down movement of the moving coil, the upper end of the inner side wall of the jaw is provided with a movable groove.

Compared with the prior art, the invention has the beneficial effects that:

this kind of inner circle slenderizing hydraulic pressure jack catch, the during operation drives piston rod and clamping ring rebound through the hydro-cylinder to make the moving coil rebound, the jack catch automatic back reset under the effect of spring this moment, thereby the jack catch that makes loosens the work piece, when the hydro-cylinder drives piston rod and clamping ring rebound, pushes down the moving coil through the clamping ring, makes the moving coil impressed between jack catch and the centering circle, and then makes the jack catch step up the work piece.

To sum up, the hydraulic jaw of the inner ring fine turning machine has the characteristic that the jaw can reset automatically.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:

FIG. 1 is a structural diagram of a hydraulic jaw for finish turning of a bearing ring of the invention;

FIG. 2 is an exploded view of a finish-turned hydraulic jaw of a bearing ring according to the present invention;

FIG. 3 is a cross-sectional view of a finish-turned hydraulic jaw of a bearing ring of the present invention;

fig. 4 is a top view of a finish turning hydraulic jaw of a bearing ring of the present invention.

In the figure, 1, a centering ring; 101. a groove; 102. mounting grooves; 103. an oil cylinder; 104. pressing plates of the oil cylinders; 105. a piston rod; 106. a movable hole; 107. a screw; 1071. a nut; 108. a spring housing; 109. a spring; 2. equal-height blocks; 201. a card slot; 202. a guide pressure plate; 203. moving coils; 2031. a through hole; 3. a claw; 301. a fixing hole; 302. a movable groove; 4. a workpiece; 5. and (5) pressing a ring.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships illustrated in the drawings, and are used merely for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to be construed as limiting the present invention. Further, in the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

Referring to fig. 1-4, the present invention provides the following technical solutions: a bearing ring finish turning hydraulic clamping jaw comprises a centering ring 1 and a workpiece 4, wherein a plurality of groups of uniformly distributed grooves 101 are formed in the upper end face of the centering ring 1, mounting grooves 102 are formed in the bottom ends of the inner parts of the groups of grooves 101, an oil cylinder 103 is mounted in each mounting groove 102, a piston rod 105 is mounted at the output end of the oil cylinder 103, a pressing ring 5 is mounted at the output end of the piston rod 105, an equal-height block 2 is mounted at the lower end of the outer side wall of the centering ring 1, four uniformly distributed moving rings 203 and clamping jaws 3 are sequentially arranged at the upper ends of the equal-height blocks 2 from inside to outside, a plurality of uniformly distributed through holes 2031 and fixed holes 301 are formed in the outer side walls of the four moving rings 203 and clamping jaws 3 in a penetrating mode respectively, the four through holes 2031 are communicated with the four fixed holes 301 respectively, movable holes 106 matched with the through the outer side wall of the centering ring 1, a screw 107 matched with the movable holes 106 is arranged in the centering ring 1, the outer ends of the plurality of screws 107 sequentially penetrate through the movable hole 106 and the through hole 2031 and extend to the inside of the fixing hole 301 to be in threaded connection with the fixing hole 301, and nuts 1071, spring sleeves 108 and springs 109 are sequentially mounted on the outer side walls of the plurality of screws 107 from inside to outside.

In this embodiment: during operation, drive piston rod 105 and clamping ring 5 through hydro-cylinder 103 and move upwards to make movable coil 203 rebound, jack catch 3 returns automatically under the effect of spring 109 this moment and resets, thereby jack catch 3 that make loosens work piece 4, when hydro-cylinder 103 drove piston rod 105 and clamping ring 5 rebound, push down movable coil 203 through clamping ring 5, make movable coil 203 impressed between jack catch 3 and the centering ring 1, and then make jack catch 3 step up work piece 4.

As a technical optimization scheme of the invention, guide pressing plates 202 are arranged at two ends of the four moving coils 203 and the clamping jaws 3, and clamping grooves 201 matched with the guide pressing plates 202 are formed in the upper end faces of the equal-height blocks 2.

In this embodiment: when the device is used, the movable coil 203 and the clamping jaws 3 are limited by the guide pressure plate 202, and the problem that the normal use of the device is influenced by the separation of the movable coil 203 and the clamping jaws 3 when the device is used is solved.

As a technical optimization scheme of the invention, an oil cylinder pressing plate 104 matched with the groove 101 is arranged on the upper end surface of the oil cylinder 103.

In this embodiment: during the use, fix the hydro-cylinder in the inside of mounting groove 102 through hydro-cylinder clamp plate 104, simultaneously through using recess 101 for hydro-cylinder clamp plate 104 is fixed in the inside of recess 101, has avoided hydro-cylinder clamp plate 104 too thick to lead to the problem that clamping ring 5 can not move downwards, has improved the device's practicality.

As a technical optimization scheme of the invention, the outer side walls of the plurality of screws 107 are movably connected with the inner side wall of the movable hole 106, and the inner diameters of the plurality of through holes 2031 are larger than the outer diameter of the screws 107.

In this embodiment: when in use, the inner diameter of the through holes 2031 is larger than the outer diameter of the screw 107, so that the screw 107 does not influence the up-and-down movement of the moving coil 203.

As a technical optimization scheme of the invention, the upper end of the inner side wall of the clamping jaw 3 is provided with a movable groove 302.

In this embodiment: when the device is used, the movable groove 302 is arranged, so that the movable coil 203 is not affected when moving up and down, and the normal use of the device is ensured.

The working principle and the using process of the invention are as follows: during operation, drive piston rod 105 and clamping ring 5 through hydro-cylinder 103 and move upwards to make movable coil 203 rebound, jack catch 3 returns automatically under the effect of spring 109 this moment and resets, thereby jack catch 3 that make loosens work piece 4, when hydro-cylinder 103 drove piston rod 105 and clamping ring 5 rebound, push down movable coil 203 through clamping ring 5, make movable coil 203 impressed between jack catch 3 and the centering ring 1, and then make jack catch 3 step up work piece 4.

The present invention is not limited to the above preferred embodiments, and any modifications, equivalent substitutions and improvements made within the spirit and principle of the present invention should be included in the protection scope of the present invention.