CN114043302B - Five-axis machine tool rotary table with damping structure - Google Patents

Five-axis machine tool rotary table with damping structure Download PDF

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Publication number
CN114043302B
CN114043302B CN202111479571.4A CN202111479571A CN114043302B CN 114043302 B CN114043302 B CN 114043302B CN 202111479571 A CN202111479571 A CN 202111479571A CN 114043302 B CN114043302 B CN 114043302B
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China
Prior art keywords
rotating shaft
rotary table
main body
flow distribution
machine tool
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Application number
CN202111479571.4A
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Chinese (zh)
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CN114043302A (en
Inventor
黄光景
林翠梅
罗旭忠
何峻华
许建强
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Jugang Jinggong Guangdong Co ltd
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Dongguan Cato Mechanical Industry Co ltd
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Priority to CN202111479571.4A priority Critical patent/CN114043302B/en
Publication of CN114043302A publication Critical patent/CN114043302A/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q11/00—Accessories fitted to machine tools for keeping tools or parts of the machine in good working condition or for cooling work; Safety devices specially combined with or arranged in, or specially adapted for use in connection with, machine tools
    • B23Q11/0032—Arrangements for preventing or isolating vibrations in parts of the machine
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q1/00—Members which are comprised in the general build-up of a form of machine, particularly relatively large fixed members
    • B23Q1/25—Movable or adjustable work or tool supports
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q11/00—Accessories fitted to machine tools for keeping tools or parts of the machine in good working condition or for cooling work; Safety devices specially combined with or arranged in, or specially adapted for use in connection with, machine tools
    • B23Q11/0042—Devices for removing chips
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q11/00—Accessories fitted to machine tools for keeping tools or parts of the machine in good working condition or for cooling work; Safety devices specially combined with or arranged in, or specially adapted for use in connection with, machine tools
    • B23Q11/10—Arrangements for cooling or lubricating tools or work
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q11/00—Accessories fitted to machine tools for keeping tools or parts of the machine in good working condition or for cooling work; Safety devices specially combined with or arranged in, or specially adapted for use in connection with, machine tools
    • B23Q11/12—Arrangements for cooling or lubricating parts of the machine
    • B23Q11/126—Arrangements for cooling or lubricating parts of the machine for cooling only

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Machine Tool Units (AREA)
  • Auxiliary Devices For Machine Tools (AREA)

Abstract

The invention discloses a five-axis machine tool rotary table with a damping structure, and relates to the technical field of numerical control machines. The rotary table comprises a rotary table main body, wherein a rotary table is arranged on the rotary table main body, a sunken part is arranged at the center of the upper part of the rotary table, and a plurality of T-shaped grooves are uniformly formed in the periphery of the sunken part; the center of the rotary worktable is connected with a rotating shaft; the rotating shaft is connected with the rotary table main body through a bearing; the rotating shaft is of a hollow structure, one end of the rotating shaft is connected with the flow distribution disc, and the other end of the rotating shaft is connected with the connecting pipe; the flow distribution disc is positioned in the recessed part, and a plurality of flow distribution holes are formed in the side wall of the flow distribution disc; the axes of the shunt holes correspond to the axes of the T-shaped grooves one by one; an oil seal and a water pipe joint are arranged on the shell of the rotary table main body; the oil seal is arranged on the inner side of the water pipe joint; the tail end of the connecting pipe penetrates out of the oil seal and is arranged in the water pipe joint. According to the invention, the water flow or the cutting fluid is sprayed in the T-shaped groove, so that the vibration energy of the mounting bolt in the T-shaped groove can be absorbed, and then the water flow slides down along the T-shaped groove to carry out the vibration energy.

Description

Five-axis machine tool rotary table with damping structure
Technical Field
The invention relates to the technical field of numerical control machines, in particular to a five-axis machine tool rotary table with a damping structure.
Background
The precision of the swing turntable directly influences the processing quality of the five-axis linkage processing center. In general, the oscillating table is driven by a servo motor, and power is transmitted through a transmission structure (a pulley, a worm wheel, a worm, etc.) of a mechanical system to drive the table to rotate, and the table is used for fixing a machined part. The method has the advantages that vibration can be generated in the part machining process, the part machining precision can be influenced by the vibration, the thickness and the connection strength of the parts of the rotary table are improved in the prior art so as to inhibit the vibration, however, the vibration energy is not eliminated by the method, the vibration energy is absorbed by the rotary table, the precision of the rotary table is reduced after a long time, and the machining quality is influenced.
Disclosure of Invention
The invention mainly aims to provide a five-axis machine tool turntable with a damping structure, so as to solve the problems.
In order to achieve the purpose, the invention provides a five-axis machine tool turntable with a damping structure, which comprises a turntable main body, wherein a rotary workbench is arranged on the turntable main body, a sunken part is arranged at the central position of the upper part of the rotary workbench, and a plurality of T-shaped grooves extending towards the outer side of the rotary workbench are uniformly formed around the sunken part; the T-shaped groove is used for fixing the mounting bolt with a part or a clamp; the center of the rotary workbench is connected with a rotating shaft; the rotating shaft is connected with the rotary table main body through a bearing; the rotating shaft is of a hollow structure, one end of the rotating shaft is connected with the flow distribution disc, and the other end of the rotating shaft is connected with the connecting pipe; the flow distribution disc is positioned in the recessed part, and a plurality of flow distribution holes are formed in the side wall of the flow distribution disc; the axes of the shunt holes correspond to the axes of the T-shaped grooves one by one; an oil seal and a water pipe joint are arranged on the rotary table main body shell; the oil seal is arranged on the inner side of the water pipe joint; the tail end of the connecting pipe penetrates out of the oil seal and is arranged in the water pipe joint.
Furthermore, the shunt tubes are inserted into the shunt holes; the shunt tubes extend into the T-shaped grooves.
Furthermore, T-shaped sealing plugs are arranged on the shunt pipes; the T-shaped sealing plug is matched with the T-shaped groove.
Furthermore, flow guide grooves are formed in the side walls of the two sides of the T-shaped groove.
Furthermore, a hemispherical groove is formed in the flow guide groove.
Further, a worm wheel is arranged on the rotating shaft, a worm power mechanism is arranged in the rotary table main body, and the worm wheel is meshed with the worm power mechanism.
The invention has the following beneficial effects:
firstly, the vibration energy of the mounting bolt in the T-shaped groove can be absorbed by spraying water flow or cutting fluid in the T-shaped groove, the vibration energy of a clamp or a part above the T-shaped groove can be absorbed, and then the water flow slides down along the T-shaped groove to bring out the vibration energy;
the invention can also effectively carry the cutting scraps in the T-shaped groove out, keep the T-shaped groove clean and prevent rusting;
the invention can also cool the bottom of the workpiece or the clamp, and prevent the bottom of the workpiece or the clamp from deforming due to processing and heating.
Drawings
Fig. 1 is a three-dimensional schematic diagram of a five-axis machine tool turntable with a damping structure.
Fig. 2 is an exploded view of a rotary table of a five-axis machine tool turntable with a shock-absorbing structure.
Fig. 3 is a partial cross-sectional view of a five-axis machine tool turret with a shock absorbing structure of the present invention.
Fig. 4 is an enlarged view of fig. 3 at a.
Wherein, 1-the turntable body; 2-rotating the working table; 3-a diverter tray; 4-a rotating shaft; 5-T shaped sealing plug; 6-shunt tubes; 7-a bearing; 8-a turbine; 9-connecting pipe; 10-oil sealing; 11-water pipe connection; 21-T-shaped slots; 22-a recess; 23-diversion trenches; 24-a hemispherical recess; 31-diversion hole.
Detailed Description
To achieve the above objects and advantages, the present invention provides a technical means and a structure thereof, which are described in detail with reference to the accompanying drawings.
As shown in fig. 1-4, the present invention provides a five-axis machine tool turret with a shock-absorbing structure, including a turret main body 1, wherein a rotary table 2 is arranged on the turret main body 1, a recessed portion 22 is arranged at a central position of an upper portion of the rotary table 2, and a plurality of T-shaped grooves 21 extending to an outer side of the rotary table 2 are uniformly formed around the recessed portion 22; the T-shaped groove 21 is used for fixing an installation bolt with a part or a clamp; the center of the rotary worktable 2 is connected with a rotating shaft 4; the rotating shaft 4 is connected with the rotary table main body 1 through a bearing 7; the rotating shaft 4 is of a hollow structure, one end of the rotating shaft is connected with the splitter plate 3, and the other end of the rotating shaft is connected with the connecting pipe 9; the diverter tray 3 is positioned in the recessed part 22, and a plurality of diverter holes 31 are formed in the side wall of the diverter tray 3; the axial lines of the shunting holes 31 correspond to the axial lines of the T-shaped grooves 21 one by one; an oil seal 10 and a water pipe joint 11 are arranged on the shell at the bottom of the rotary table main body 1; the oil seal 10 is arranged on the inner side of the water pipe joint 11; the tail end of the connecting pipe 9 penetrates out of the oil seal 10 and is arranged in the water pipe joint 11; an externally connected water pipe or cutting fluid pipe is connected to the water pipe joint 11.
In another embodiment, a plurality of shunt holes 31 are provided with shunt tubes 6 inserted therein; the shunt tube 6 extends into the T-shaped slot. Through the arrangement of the shunt pipe 6, water flow can enter the T-shaped groove 21 more easily.
In another embodiment, the plurality of shunt tubes 6 are provided with T-shaped sealing plugs 5; the T-shaped sealing plug 5 fits into the T-shaped groove 21. Through the arrangement of the T-shaped sealing plug 5, the cutting scraps are prevented from being influenced by the backflow of water.
In another embodiment, the guide grooves 23 are formed in the side walls of the two sides of the T-shaped groove 21, and the guide grooves 23 are arranged to facilitate the water flow to flow out of the T-shaped groove 21 provided with the mounting bolt.
In another embodiment, the guiding gutter is provided with a hemispherical groove 24, the hemispherical groove 24 can facilitate the transmission of vibration energy on the rotary worktable 2 to water flow, and the two aspects form a turbulent flow effect to facilitate energy diffusion.
In another embodiment, a worm wheel 8 is fixedly sleeved on the rotating shaft, a worm power mechanism is arranged in the turntable body, and the worm wheel 8 is meshed with the worm power mechanism.
The foregoing is merely a preferred embodiment of the present invention, and not all embodiments of the present invention, and all structural changes made under the teaching of the present invention should be understood as belonging to the same or similar technical solutions as the present invention.

Claims (4)

1. The five-axis machine tool turntable with the damping structure is characterized by comprising a turntable main body, wherein a rotary workbench is arranged on the turntable main body, a sunken part is arranged at the central position of the upper part of the rotary workbench, and a plurality of T-shaped grooves extending to the outer side of the rotary workbench are uniformly formed in the periphery of the sunken part; the T-shaped groove is used for fixing the mounting bolt with a part or a clamp; the center of the rotary workbench is connected with a rotating shaft; the rotating shaft is connected with the rotary table main body through a bearing; the rotating shaft is of a hollow structure, one end of the rotating shaft is connected with the flow distribution disc, and the other end of the rotating shaft is connected with the connecting pipe; the flow distribution disc is positioned in the recessed part, and a plurality of flow distribution holes are formed in the side wall of the flow distribution disc; the axes of the shunt holes correspond to the axes of the T-shaped grooves one by one; an oil seal and a water pipe joint are arranged on the rotary table main body shell; the oil seal is arranged on the inner side of the water pipe joint; the tail end of the connecting pipe penetrates out of the oil seal and is arranged in the water pipe joint; flow guide grooves are formed in the side walls of the two sides of the T-shaped groove; the diversion trench is provided with a hemispherical groove.
2. The five-axis machine tool turret with a shock absorbing structure of claim 1, wherein a shunt tube is inserted into each of the plurality of shunt holes; the shunt tubes extend into the T-shaped grooves.
3. The five-axis machine tool turret with a shock absorbing structure according to claim 2, wherein each of the plurality of shunt tubes is provided with a T-shaped sealing plug; the T-shaped sealing plug is matched with the T-shaped groove.
4. The five-axis machine tool turntable with the shock absorption structure as claimed in claim 1, wherein a worm wheel is arranged on the rotating shaft, a worm power mechanism is arranged in the turntable body, and the worm wheel is meshed with the worm power mechanism.
CN202111479571.4A 2021-12-06 2021-12-06 Five-axis machine tool rotary table with damping structure Active CN114043302B (en)

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Application Number Priority Date Filing Date Title
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CN114043302B true CN114043302B (en) 2022-07-01

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Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114211296B (en) * 2021-12-13 2023-09-19 珠海格力智能装备技术研究院有限公司 Chip flushing structure of cradle turntable, cradle turntable and numerical control machine tool

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Address after: 523000 Dongye roadside, science and Technology Industrial City, Houjie Town, Dongguan City, Guangdong Province

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Address before: 523000 Dongye roadside, science and Technology Industrial City, Houjie Town, Dongguan City, Guangdong Province

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