WO2023029244A1 - 一种卧式加工中心工作台 - Google Patents

一种卧式加工中心工作台 Download PDF

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Publication number
WO2023029244A1
WO2023029244A1 PCT/CN2021/133637 CN2021133637W WO2023029244A1 WO 2023029244 A1 WO2023029244 A1 WO 2023029244A1 CN 2021133637 W CN2021133637 W CN 2021133637W WO 2023029244 A1 WO2023029244 A1 WO 2023029244A1
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gear
gear transmission
machining center
horizontal machining
workbench
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PCT/CN2021/133637
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English (en)
French (fr)
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卫继健
陆会鉴
陶宇
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纽威数控装备(苏州)股份有限公司
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Publication of WO2023029244A1 publication Critical patent/WO2023029244A1/zh

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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
    • 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
    • B23Q1/26—Movable or adjustable work or tool supports characterised by constructional features relating to the co-operation of relatively movable members; Means for preventing relative movement of such members

Definitions

  • the invention relates to a workbench, in particular to a workbench of a horizontal machining center.
  • the machine tool workbench is a widely used mechanical processing platform, and the table top of the workbench is the working surface of the machine tool.
  • the traditional double-station turntable adopts a worm gear transmission structure, which requires high assembly requirements; the table locking of the traditional double-station turntable relies on the pull nail type locking structure under the table.
  • the tension force of this structure is relatively insufficient, and the accuracy of the turntable is maintained.
  • the performance is also insufficient, and it cannot meet the long-term use needs of machine tools for heavy cutting.
  • one of the objectives of the present invention is to provide a horizontal machining center workbench with low assembly requirements, sufficient table tension, good precision retention and high stability.
  • a workbench of a horizontal machining center comprising a base, a table, a driving member, a gear transmission structure, a turntable, a pressure plate and an oil cylinder
  • the driving member is installed on the base, the gear transmission structure and the driving member and the The turntable cooperates to make the driving member drive the turntable to rotate through the gear transmission structure
  • the oil cylinder is installed on the turntable
  • the pressure plate is fixed on the oil cylinder
  • the pressure plate is installed on the table and is connected with the table Cooperate
  • the oil cylinder drives the pressure plate to move to make the pressure plate compress or loosen the table top, so as to realize the locking or unlocking of the table top.
  • the gear transmission structure includes a primary gear transmission assembly and a secondary gear transmission assembly, the primary gear transmission assembly is connected to the driving member, the secondary gear transmission assembly is connected to the turntable, and the The primary gear transmission assembly cooperates with the secondary gear transmission assembly for transmission.
  • the first-stage gear transmission assembly includes a first gear and a second gear, the first gear is fixedly mounted on the output end of the driving member, and the second gear meshes with the first gear.
  • the two-stage gear transmission assembly includes a third gear and a fourth gear, the fourth gear is fixed on the turntable, the third gear meshes with the fourth gear, and the third gear meshes with the fourth gear.
  • the second gear is arranged coaxially.
  • the driving part is a motor.
  • the table top is provided with a mounting groove, the bottom of the mounting groove is a conflicting end surface, and the conflicting end surface is a plane, the pressing plate is located in the mounting groove, and the pressing plate is in conflict with the conflicting end surface.
  • the oil cylinder includes a piston body and a piston, the piston body is mounted on the piston, and the piston body is fixed to the pressure plate.
  • the workbench of the horizontal machining center also includes a positioning structure, the positioning structure includes a first cone seat and a second cone seat, the first cone seat is fixed on the table, and the second cone seat is fixed On the turntable, the first taper seat cooperates with the second taper seat to position the table top and the turntable.
  • the workbench of the horizontal machining center of the present invention adopts gear transmission, which satisfies the transmission function and has low assembly requirements; the pressure plate is driven by the oil cylinder to move and press the tabletop, and the tabletop tension force is sufficient, which can meet the processing of heavy cutting of machine tools Need; the first cone seat and the second cone seat of the horizontal processing turntable of the present invention only play a positioning role, and the center of the second cone seat below has no hydraulic pull-bolt locking mechanism, so hydraulic oil leakage and waste accumulation will not occur It causes failure situations such as increased runout error of the table top, and these are the main structural defects of the current hydraulic rivet locking turntable.
  • Fig. 1 is the structural representation of horizontal machining center workbench of the present invention
  • Fig. 2 is an enlarged view of workbench A of the horizontal machining center in Fig. 1 .
  • a component when a component is said to be “fixed” to another component, it may be directly on the other component or there may be another intermediate component through which it is fixed.
  • a component When a component is said to be “connected” to another component, it may be directly connected to the other component or there may be another intermediate component at the same time.
  • a component When a component is said to be “set on” another component, it may be set directly on the other component or there may be another intermediate component at the same time.
  • the terms “vertical,” “horizontal,” “left,” “right,” and similar expressions are used herein for purposes of illustration only.
  • the workbench of the horizontal machining center includes a base 10, a driving member 20, a gear transmission structure 30, a turntable 40, a table 50, a pressure plate 60, an oil cylinder 70 and a positioning Structure 80.
  • the driving part 20 is a motor.
  • the driver 20 is fixedly mounted on the base 10 .
  • the gear transmission structure 30 includes a primary gear transmission assembly 31 and a secondary gear transmission assembly 32 .
  • the primary gear transmission assembly 31 includes a first gear 310 and a second gear 311 .
  • the first gear 310 is fixed on the output end of the driving member 20 , and the first gear 310 meshes with the second gear 311 .
  • the secondary gear transmission assembly 32 includes a third gear 320 and a fourth gear 321 .
  • the third gear 320 is arranged coaxially with the second gear 311 .
  • the third gear 320 meshes with the fourth gear 321.
  • the turntable 40 is fixedly connected with the fourth gear 321 .
  • the turntable 40 is rotatably mounted on the base 10 .
  • the table top 50 is provided with a mounting groove 52 and an abutting end surface 51 .
  • the resisting end surface 51 is located at the bottom of the installation groove 52 .
  • the oil cylinder 70 includes a piston body 71 , a piston rod 72 and a piston 73 .
  • the piston body 71 is installed on the piston 73
  • the piston 73 is installed on the top of the piston rod 72
  • an oil chamber is formed between the piston body 71 and the piston 73 .
  • the oil cylinder 70 is installed in the turntable 40 .
  • the positioning structure 80 includes a first cone seat 81 and a second cone seat 82 .
  • the first cone base 81 is fixed on the platform 50
  • the second cone base 82 is fixed on the turntable 40 .
  • the first cone seat 81 cooperates with the second cone seat 82 to position the table top 50 and the turntable 40 .
  • the driving member 20 drives the turntable 40 to rotate through the primary gear transmission assembly 31 and the secondary gear transmission assembly 32 .
  • the oil in the oil chamber of the oil cylinder 70 drives the piston main body 71 to drive the pressing plate 60 to move down, and the pressing plate 60 presses the conflicting end surface 51 of the table 50, so that the table 50 and the turntable 40 are locked, and the turntable 40 drives the table 50 to rotate.
  • the piston main body 71 drives the pressure plate 60 to move up, the pressure plate 60 is separated from the conflicting end surface 51, and the table top 50 and the turntable 40 are released to realize unlocking.
  • the workbench of the horizontal machining center of the present invention adopts gear transmission, which reduces assembly difficulty while satisfying the transmission function; the pressure plate 60 is driven by the oil cylinder 70 to move and press the table top 50, and the table top 50 has sufficient tension force and high precision.
  • the positioning structure 80 (cone seat) only plays the role of positioning.
  • the center of the cone seat is no longer designed with a claw locking mechanism.
  • the cone seat is only locked on the turntable 40 by screws.
  • the traditional structure is easy to increase the runout error of the table due to the accumulation of iron filings, which affects the processing accuracy of the product, and the accuracy retention is improved; it also solves the problem that the traditional hydraulic rivet locking structure is prone to hydraulic oil leakage due to long-term use. Causes the problem of reduced stability of the turntable.

Abstract

一种卧式加工中心工作台，包括底座（10）、台面（50）、驱动件（20）、齿轮传动结构（30）、转盘（40）、压板（60）以及油缸（70），驱动件（20）安装于底座（10），齿轮传动结构（30）与驱动件（20）以及转盘（40）配合使驱动件（20）通过齿轮传动结构（30）带动转盘（40）转动，油缸（70）安装于转盘（40），压板（60）固定于油缸（70），压板（60）安装于台面（50）并与台面（50）配合，油缸（70）带动压板（60）移动使压板（60）压紧或松开台面（50），实现台面（60）的锁紧或解锁。这种卧式加工中心工作台采用齿轮传动，在满足传动功能的同时降低装配难度；通过油缸带动压板移动压紧台面，台面拉紧力足、精度保持性好、转台稳定性高。

Description

一种卧式加工中心工作台 技术领域
本发明涉及工作台，尤其是涉及一种卧式加工中心工作台。
背景技术
机床工作台是应用广泛的机械加工平台，工作台的台面是机床加工的工作面。传统双工位转台采用的是涡轮蜗杆传动结构，装配要求高；传统双工位转台的台面锁紧是依靠台面下方的拉钉式锁紧结构，该结构拉紧力相对不足，转台的精度保持性也不足，无法满足机床重切削加工的长时间使用需要。
发明内容
为了克服现有技术的不足，本发明的目的之一在于提供一种装配要求低、台面拉紧力足、精度保持性好、稳定性高的卧式加工中心工作台。
本发明的目的之一采用如下技术方案实现：
一种卧式加工中心工作台，包括底座、台面、驱动件、齿轮传动结构、转盘、压板以及油缸，所述驱动件安装于所述底座，所述齿轮传动结构与所述驱动件以及所述转盘配合使所述驱动件通过所述齿轮传动结构带动所述转盘转动，所述油缸安装于所述转盘，所述压板固定于所述油缸，所述压板安装于所述台面并与所述台面配合，所述 油缸带动所述压板移动使所述压板压紧或松开所述台面，实现所述台面的锁紧或解锁。
进一步地，所述齿轮传动结构包括一级齿轮传动组件以及二级齿轮传动组件，所述一级齿轮传动组件与所述驱动件连接，所述二级齿轮传动组件与所述转盘连接，所述一级齿轮传动组件与所述二级齿轮传动组件配合传动。
进一步地，所述一级齿轮传动组件包括第一齿轮以及第二齿轮，所述第一齿轮固定安装于所述驱动件的输出端，所述第二齿轮与所述第一齿轮啮合。
进一步地，所述二级齿轮传动组件包括第三齿轮以及第四齿轮，所述第四齿轮固定于所述转盘，所述第三齿轮与所述第四齿轮啮合，所述第三齿轮与所述第二齿轮同轴设置。
进一步地，所述驱动件为电机。
进一步地，所述台面设有安装槽，所述安装槽的底部为抵触端面，所述抵触端面为平面，所述压板位于所述安装槽中，所述压板与所述抵触端面抵触。
进一步地，所述油缸包括活塞主体以及活塞，所述活塞主体安装于所述活塞上，所述活塞主体与所述压板固定。
进一步地，所述卧式加工中心工作台还包括定位结构，所述定位结构包括第一锥座以及第二锥座，所述第一锥座固定于所述台面，所述第二锥座固定于所述转盘，所述第一锥座与所述第二锥座配合使所述台面与所述转盘定位。
相比现有技术，本发明卧式加工中心工作台采用齿轮传动，在满足传动功能的同时装配要求低；通过油缸带动压板移动压紧台面，台面拉紧力足，可满足机床重切削的加工需要；本发明卧式加工转台的第一锥座、第二锥座只起定位作用，处于下方的第二锥座的中央无液压拉钉锁紧机构，不会发生液压油泄露，废屑堆积造成台面跳动误差增大等故障情形，而这些正是目前液压拉钉锁紧式转台的主要结构性缺陷。
附图说明
图1为本发明卧式加工中心工作台的结构示意图；
图2为图1的卧式加工中心工作台A处的放大图。
图中：10、底座；20、驱动件；30、齿轮传动结构；31、一级齿轮传动组件；310、第一齿轮；311、第二齿轮；32、二级齿轮传动组件；320、第三齿轮；321、第四齿轮；40、转盘；50、台面；51、抵触端面；52、安装槽；60、压板；70、油缸；71、活塞主体；72、活塞杆；73、活塞；80、定位结构；81、第一锥座；82、第二锥座。
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。
需要说明的是，当组件被称为“固定于”另一个组件，它可以直接在另一个组件上或者也可以存在另一中间组件，通过中间组件固定。当一个组件被认为是“连接”另一个组件，它可以是直接连接到另一个组件或者可能同时存在另一中间组件。当一个组件被认为是“设置于”另一个组件，它可以是直接设置在另一个组件上或者可能同时存在另一中间组件。本文所使用的术语“垂直的”、“水平的”、“左”、“右”以及类似的表述只是为了说明的目的。
除非另有定义，本文所使用的所有的技术和科学术语与属于本发明的技术领域的技术人员通常理解的含义相同。本文中在本发明的说明书中所使用的术语只是为了描述具体的实施例的目的，不是旨在于限制本发明。本文所使用的术语“及/或”包括一个或多个相关的所列项目的任意的和所有的组合。
图1至图2为本发明卧式加工中心工作台的结构图，卧式加工中心工作台包括底座10、驱动件20、齿轮传动结构30、转盘40、台面50、压板60、油缸70以及定位结构80。
驱动件20为电机。驱动件20固定安装于底座10。
齿轮传动结构30包括一级齿轮传动组件31以及二级齿轮传动组件32。一级齿轮传动组件31包括第一齿轮310、第二齿轮311。第一齿轮310固定于驱动件20的输出端，第一齿轮310与第二齿轮311啮合。二级齿轮传动组件32包括第三齿轮320以及第四齿轮321。第三齿轮320与第二齿轮311同轴设置。第三齿轮320与第四齿轮 321啮合。
转盘40与第四齿轮321固定连接。转盘40转动安装于底座10。
台面50设有安装槽52以及抵触端面51。抵触端面51位于安装槽52的底部。
油缸70包括活塞主体71、活塞杆72以及活塞73。活塞主体71安装于活塞73，活塞73安装于活塞杆72顶部，活塞主体71与活塞73之间形成油腔。油缸70安装于转盘40内。
定位结构80包括第一锥座81以及第二锥座82。第一锥座81固定于台面50，第二锥座82固定于转盘40。第一锥座81与第二锥座82配合使台面50与转盘40定位。
使用卧式加工中心工作台时，驱动件20通过一级齿轮传动组件31、二级齿轮传动组件32带动转盘40转动。油缸70的油腔中进油，驱使活塞主体71带动压板60下移，压板60压紧台面50的抵触端面51，使台面50与转盘40锁紧，转盘40带动台面50转动。油缸70的油腔中的油流出后，活塞主体71带动压板60上移，压板60与抵触端面51分离，台面50与转盘40松开，实现解锁。
本发明卧式加工中心工作台采用齿轮传动，在满足传动功能的同时降低装配难度；通过油缸70带动压板60移动压紧台面50，台面50拉紧力足、台面50精度高。定位结构80(锥座)只起定位的作用，锥座中央不再设计有拉爪锁紧机构，锥座仅是通过螺钉锁紧在转盘40上，锥座没有废屑堆积的空间，解决了传统结构容易因为铁屑堆积而造成台面跳动误差增大，影响产品加工精度的问题，精度保持性 得到提升；还解决了传统的液压拉钉锁紧式结构由于长时间使用容易发生液压油泄露，造成转台稳定性降低的问题。
以上实施例仅表达了本发明的几种实施方式，其描述较为具体和详细，但并不能因此而理解为对发明专利范围的限制。应当指出的是，对于本领域的普通技术人员来说，在不脱离本发明构思的前提下，还可以做出若干变形和改进演变，都是依据本发明实质技术对以上实施例做的等同修饰与演变，这些都属于本发明的保护范围。

Claims (8)

  1. 一种卧式加工中心工作台，包括底座以及台面，其特征在于：所述卧式加工中心工作台还包括驱动件、齿轮传动结构、转盘、压板以及油缸，所述驱动件安装于所述底座，所述齿轮传动结构与所述驱动件以及所述转盘配合使所述驱动件通过所述齿轮传动结构带动所述转盘转动，所述油缸安装于所述转盘，所述压板固定于所述油缸，所述压板安装于所述台面并与所述台面配合，所述油缸带动所述压板移动使所述压板压紧或松开所述台面，实现所述台面的锁紧或解锁。
  2. 根据权利要求1所述的卧式加工中心工作台，其特征在于：所述齿轮传动结构包括一级齿轮传动组件以及二级齿轮传动组件，所述一级齿轮传动组件与所述驱动件连接，所述二级齿轮传动组件与所述转盘连接，所述一级齿轮传动组件与所述二级齿轮传动组件配合传动。
  3. 根据权利要求2所述的卧式加工中心工作台，其特征在于：所述一级齿轮传动组件包括第一齿轮以及第二齿轮，所述第一齿轮固定安装于所述驱动件的输出端，所述第二齿轮与所述第一齿轮啮合。
  4. 根据权利要求3所述的卧式加工中心工作台，其特征在于：所述二级齿轮传动组件包括第三齿轮以及第四齿轮，所述第四齿轮固定于所述转盘，所述第三齿轮与所述第四齿轮啮合，所述第三齿轮与所述第二齿轮同轴设置。
  5. 根据权利要求1所述的卧式加工中心工作台，其特征在于：所述驱动件为电机。
  6. 根据权利要求1所述的卧式加工中心工作台，其特征在于：所 述台面设有安装槽，所述安装槽的底部为抵触端面，所述抵触端面为平面，所述压板位于所述安装槽中，所述压板与所述抵触端面抵触。
  7. 根据权利要求1所述的卧式加工中心工作台，其特征在于：所述油缸包括活塞主体以及活塞，所述活塞主体安装于所述活塞上，所述活塞主体与所述压板固定。
  8. 根据权利要求1所述的卧式加工中心工作台，其特征在于：所述卧式加工中心工作台还包括定位结构，所述定位结构包括第一锥座以及第二锥座，所述第一锥座固定于所述台面，所述第二锥座固定于所述转盘，所述第一锥座与所述第二锥座配合使所述台面与所述转盘定位。
PCT/CN2021/133637 2021-09-03 2021-11-26 一种卧式加工中心工作台 WO2023029244A1 (zh)

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