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Hydraulic system of five-axis cradle rotary table

A cradle turntable, hydraulic system technology, applied in the direction of fluid pressure actuating system components, fluid pressure actuating devices, large fixed members, etc., can solve the problem of inability to meet the access requirements of complex fixtures, bulky, and poor universality of hydraulic function interfaces, etc. problems, to achieve the effect of strong versatility and applicability, high modularity and compact structure

Pending Publication Date: 2020-01-17
NINGBO HAITIAN PRECISION MASCH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Various machine tool manufacturers have different implementation structures for hydraulic function interfaces, but the common one is the drag chain structure. The advantage of this structure is that it is simple in design, but the disadvantage is that it is bulky, and the versatility of the hydraulic function interface is poor, which cannot meet the needs of complex fixtures. access requirements

Method used

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  • Hydraulic system of five-axis cradle rotary table
  • Hydraulic system of five-axis cradle rotary table
  • Hydraulic system of five-axis cradle rotary table

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0024] The five-axis cradle turntable hydraulic system of embodiment 1 is applied to figure 1 The five-axis cradle turntable shown, as Figure 2 ~ Figure 6As shown, the five-axis cradle turntable includes a B-axis assembly 1, a swing arm 2, a C-axis assembly 3, and a supporting tailstock 4. The B-axis assembly 1 includes a hollow B-axis drive shaft 11 and a B-axis housing 12 arranged horizontally. , the C-axis assembly 3 includes a hollow C-axis transmission shaft 31 and a C-axis housing 32 that are set upright, and the two ends of the swing arm 2 are respectively connected with the B-axis transmission shaft 11 and the support tailstock 4, and the middle part of the swing arm 2 is fixed on On the C-axis housing 32, the top of the C-axis transmission shaft 31 is fixed with a worktable 33 by screws, and the inside of the B-axis transmission shaft 11 is provided with a B-axis oil separator 13, and the B-axis oil separator 13 is fixedly connected to the B-axis housing. On the bod...

Embodiment 2

[0027] The difference between the five-axis cradle turntable hydraulic system of Embodiment 2 and Embodiment 1 is that in Embodiment 2, the rear end of the B-axis oil separator 13 is fixed with the first connecting plate 17, and the rear side of the B-axis housing 12 is fixed The first dust-proof cover 18 is connected, and the first connecting plate 17 is fixed on the first dust-proof cover 18. The first connecting plate 17 is provided with eight first oil inlets corresponding to the eight first oil channels 14 one-to-one. 19. Each first oil inlet 19 communicates with a first oil passage 14, and each first oil inlet 19 is equipped with a first joint 10, such as Image 6 As shown, there are eight first joints 10 from a to h in total; a B-axis gland 8 is installed on the B-axis transmission shaft 11, and there are eight corresponding to the eight-way second oil paths 15 on the B-axis gland 8. A first through hole 81, each first through hole 81 communicates with the outlet of a s...

Embodiment 3

[0028] The difference between the five-axis cradle turntable hydraulic system of Embodiment 3 and Embodiment 2 is that in Embodiment 3, the B-axis oil distributor 13 is a hollow B-axis oil distributor 13, and the inside of the B-axis oil distributor 13 is provided with A hollow cable shaft 51, the cable shaft 51 is fixed on the B-axis transmission shaft 11; a deep groove ball bearing 52 is arranged between the C-axis oil separator 34 and the C-axis oil separator sleeve 35, and the deep groove ball bearing 52 is installed on the The upper end of the C-axis oil separator 34, the top of the C-axis oil separator 34 is provided with a second dust cover 53, the second dust cover 53 is located below the C-axis gland 38, and the outer circle of the second dust cover 53 surface and the inner circular surface of the C-axis oil separator sleeve 35 in a clearance fit, and an O-ring 54 is arranged between the second dustproof cover 53 and the C-axis oil separator sleeve 35; Facing the open...

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Abstract

The invention discloses a hydraulic system of a five-axis cradle rotary table. A B-axis oil separator is arranged on the inner side of a B-axis transmission shaft, a plurality of first oil-ways are arranged in the B-axis oil separator, a plurality of second oil-ways are arranged in the B-axis transmission shaft, and the front end of each second oil-way is connected to a hydraulic pipe; a C-axis oil separator and a bush of the C-axis oil separator are arranged on the inner side of a C-axis transmission shaft, a plurality of third oil-ways are arranged in the C-axis oil separator, a plurality offourth oil-ways are arranged in the bush of the C-axis oil separator, a C-axis gland is fixed to the top end of the bush of the C-axis oil separator, a plurality of hydraulic function interfaces arearranged on the C-axis gland, and each hydraulic function interface communicates to one fourth oil-way. The hydraulic system of the five-axis cradle rotary table is compact in structure and comprehensive in function and can provide the hydraulic function interfaces comprehensive in function, and the hydraulic function interfaces are high in universality and applicability and high in modular degree. A machine tool user can change the hydraulic function interfaces voluntarily according to actual demands.

Description

technical field [0001] The invention relates to the technical field of five-axis linkage processing, in particular to a five-axis cradle turntable hydraulic system. Background technique [0002] Hydraulic fixture is a fixture system with simple structure, high degree of automation, fixed clamping point, reliable clamping force, fast clamping and releasing workpiece, which can improve production efficiency and product quality, and is widely used in auto parts processing, mold processing, etc. industry. [0003] The five-axis cradle turntable plays an important role in the processing of curved surface parts. It is a high-end functional component in CNC machine tools, and its structural layout is the preferred cradle double pendulum type. The five-axis cradle turntable is usually composed of four parts: B-axis assembly, swing arm, worktable assembly (C-axis assembly) and support tailstock. The two ends of the swing arm are respectively connected with the B-axis assembly and su...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F15B21/00B23Q1/25
CPCB23Q1/25F15B21/00
Inventor 汪旭光盛孝勇谢瑞木孙杰王弘毅李奕轩
Owner NINGBO HAITIAN PRECISION MASCH CO LTD
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