WO2012100725A1 - 轻型龙门数控切割机 - Google Patents

轻型龙门数控切割机 Download PDF

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Publication number
WO2012100725A1
WO2012100725A1 PCT/CN2012/070637 CN2012070637W WO2012100725A1 WO 2012100725 A1 WO2012100725 A1 WO 2012100725A1 CN 2012070637 W CN2012070637 W CN 2012070637W WO 2012100725 A1 WO2012100725 A1 WO 2012100725A1
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WIPO (PCT)
Prior art keywords
rail
support frame
longitudinal
cutting machine
bracket
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Application number
PCT/CN2012/070637
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English (en)
French (fr)
Inventor
刘平
Original Assignee
苗芳
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Publication of WO2012100725A1 publication Critical patent/WO2012100725A1/zh

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23QDETAILS, 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
    • B23Q1/00Members which are comprised in the general build-up of a form of machine, particularly relatively large fixed members
    • B23Q1/01Frames, beds, pillars or like members; Arrangement of ways
    • B23Q1/012Portals
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K31/00Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups
    • B23K31/10Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups relating to cutting or desurfacing
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K37/00Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
    • B23K37/02Carriages for supporting the welding or cutting element
    • B23K37/0211Carriages for supporting the welding or cutting element travelling on a guide member, e.g. rail, track
    • B23K37/0235Carriages for supporting the welding or cutting element travelling on a guide member, e.g. rail, track the guide member forming part of a portal
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K37/00Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
    • B23K37/04Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
    • B23K37/0408Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work for planar work
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K37/00Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
    • B23K37/04Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
    • B23K37/0461Welding tables

Definitions

  • the invention relates to a gantry numerical control cutting machine, in particular to a lightweight gantry numerical control cutting machine with high stability and easy disassembly and assembly, belonging to the field of metal cutting processing equipment.
  • CNC cutting machines have been widely used in railway, machinery manufacturing, metal components, pressure vessels, model making operations, advertising and other industries.
  • the CNC cutting machine is divided into two types according to the structure: gantry type and cantilever type.
  • the gantry type CNC cutting machine adopts the gantry structure to support the horizontal movement of the working host. It has high structural stability, strong and durable. It adopts bilateral driving to run smoothly, accurate movement, good processing quality and high precision. It requires large-scale production and high-precision cutting. It is used in the processing of workpieces and is the first choice for plate cutting production in modern industrial production.
  • the base of the existing gantry type CNC cutting machine is supported by the I-beam, which has a large structure, heavy weight and is difficult to transport.
  • the existing gantry type CNC cutting machine has higher requirements for user installation, and must In the installation, the parallelism and levelness of the two sides are ensured, which increases the difficulty of the actual installation process, and also easily causes the installation accuracy to be insufficient to affect the processing quality.
  • the cantilever CNC cutting machine is mainly composed of horizontal and vertical transmission mechanisms at an angle of 90 degrees to each other.
  • the working host realizes horizontal movement and positioning through horizontal and vertical conduction mechanisms. It is small in size, light in weight, small in space, and easy to assemble. , Transportation, suitable for use in some small venues and small batches of processed workpieces.
  • the cutting quality and cutting accuracy of the existing cantilever CNC cutting machine often fail to meet the high precision and high stability standards of the gantry CNC cutting machine.
  • the present invention aims to provide a lightweight gantry numerical control cutting machine with flexible assembly, convenient transportation, stable performance and high processing precision, so as to expand the scope of application and satisfy the constant Increased industrial production needs.
  • Lightweight gantry CNC cutting machine comprising a bracket, mutually perpendicular transverse rails and longitudinal rails, a main controller, and a cutting head and a longitudinal transmission electrically connected to the main controller, the cutting head is connected to the transverse rail, and the transverse rail is connected in the longitudinal direction
  • the longitudinal transmission is connected to the longitudinal rail
  • the longitudinal rail is connected to the bracket
  • the main controller is connected to one end of the transverse rail
  • the longitudinal rail comprises a relatively independent active side double rail support frame and a driven side single side support frame, the active side The double rail support frame and the driven side single side support frame are respectively connected to the bracket and are located at two ends of the lateral rail.
  • the active side double rails are parallel to each other and spaced apart by a certain distance, and one end of the transverse rail passes through the longitudinal transmission device and the double slider and the active side double rail support.
  • the frame is connected, and the other end of the lateral rail is placed on the driven side single side support frame by the support roller.
  • the active side double rails are respectively two-axis core rails.
  • the bracket is an aluminum profile.
  • the base of the bracket is further provided with an adjustable leg.
  • a diagonal stay bracket is further disposed between the longitudinal transmission and the lateral rail.
  • the light gantry numerical control cutting machine of the invention adopts a split structure design, and splits the longitudinal guide rail with large volume and high installation precision into two parts: the active side double rail support frame and the driven side single side support frame, and takes the initiative.
  • the two side rail support frames are directly processed to complete two parallel rails with a certain interval. While supporting and conducting the lateral rails, the parallelism and levelness between the double rails are only related to the machining accuracy.
  • the influence of the installation accuracy, easy to install and debug especially solves the need for the installation and commissioning engineer's on-site service, saves manpower and material resources, and responds to the low carbon call.
  • the driven side single-sided support frame only plays a rolling support role on the other end of the lateral guide rail to balance the center of gravity of the lateral guide rail, and the installation accuracy is low, and the result greatly reduces the requirement of the installation process before use, and simplifies the installation. It can be disassembled without the need of professionals, which increases the flexibility of use.
  • the adjustable support legs are used for ground support on the bracket, which is less affected by the level of the ground. It is easy to adjust and quick to assemble, and is suitable for use in various venues.
  • the bracket made of aluminum profile is light in weight and easy to handle.
  • the cable-stayed bracket ensures structural stability between the transverse rail and the longitudinal drive and improves connection reliability.
  • the overall structure is simple in design, convenient in assembly and flexible in handling. It is suitable for long-distance transportation.
  • the assembled cutting machine has high processing precision and reliable performance. It not only retains the gantry-type structural characteristics, but also exerts the advantages of cantilever type, and the improvement effect is outstanding. Practical.
  • FIG. 1 is a schematic view of the structure of the present invention. detailed description
  • the central idea of the invention is to utilize the advantages of high structural stability and good processing precision of the gantry type numerical control cutting machine, combined with the advantages of flexible assembly and convenient transportation of the cantilever type numerical control cutting machine, and designing a lighter, more stable and more reliable design.
  • the lightweight gantry CNC cutting machine is easy to assemble and disassemble to meet the ever-increasing demands of industrial production.
  • the design is based on the premise that it can be assembled and transported with sufficient machining accuracy.
  • FIG. 1 The present invention will be further described below in conjunction with FIG. 1 :
  • the light gantry numerical control cutting machine of the invention retains the structure characteristics of the gantry type, and at the same time, improves and simplifies the structure of the transmission guide rail and the bracket.
  • the structure specifically includes a bracket 2, an adjustable leg 1, lateral rails 7 and vertical rails, a main controller 9, and a cutting head 8 and a longitudinal transmission 4 electrically connected to the main controller 9.
  • the cutting head 8 is connected to the transverse rail 7, and the cutting head 8 can automatically adjust the upper and lower positions according to the processing requirements, so as to ensure the effective working distance between the cutting head 8 and the workpiece to be processed, so that the cutting process Going smoothly.
  • the lateral rail 7 is a horizontally arranged horizontal rail which provides the cutting head 8 with horizontal movement in the X-axis direction.
  • the bottom of the transverse rail 7 is connected to the longitudinal transmission 4, which is mainly composed of a drive motor, a gear, a rack, a housing and the like.
  • the longitudinal transmission 4 is coupled to the longitudinal rails, and the longitudinal transmission 4 drives the lateral rails 7 and the cutting heads 8 to move horizontally in the Y-axis direction by the drive motor and the longitudinal rails.
  • the longitudinal rail comprises a relatively independent active side double rail support frame 3 and a driven side single side support frame 6, the active side double rail support frame 3 and the driven side single side support frame 6 are respectively connected to the bracket 2 and located at both ends of the lateral rail 7 .
  • the active side double guide rails are respectively double-axis core guide rails, which can be automatically centered when the slider is installed, and no deflection occurs.
  • the active-side double-track support frame 3 of the integral structure ensures the parallelism and levelness requirements of the two guide rails, avoiding the The position adjustment brought by the installation is troublesome.
  • the improved active side double-track support frame 3 mainly supports and conducts the lateral guide rail 7, its structure will directly affect the accuracy of the transmission, so the double guide rails need to be spaced apart from each other under the premise of being kept parallel. , the two guide rails truly play the role of parallel conduction and common support, avoiding the phenomenon that a longitudinal guide rail is prone to tilting and offset.
  • the other end of the lateral rail 7 is placed on the driven side single side support frame 6 by the support roller 10, and the driven side single side support frame 6 mainly supports the rolling process of the other end of the lateral guide rail 7, which only needs to hold the roller 10 can be used on the driven side single-sided support frame 6, and does not need to restrict the conduction of the lateral guide rail 7, which simplifies the installation process of the longitudinal guide rail.
  • the bracket 2 is made of aluminum profile, and the bottom of the aluminum profile is provided with an adjustable leg 1 , and the integral structural support is supported by the adjustable leg 1 , which can reduce the requirement of the ground during the installation process, and improve the installation reliability and flexibility. Sex.
  • a diagonal pull is also arranged between the longitudinal transmission 4 and the lateral guide 7.
  • the bracket 5 enhances the overall rigidity of the cutter with the structural stability of the triangle to ensure the quality of use.
  • the main controller 9 is connected to the 7th end of the lateral rail, and the main controller 9 is electrically connected to the cutting head 8 and the longitudinal transmission 4, respectively, and the main controller 9 moves with the horizontal movement of the lateral rail 7.
  • the bracket 2 During transportation, the bracket 2, the adjustable leg 1, the lateral rail 7, the active side double rail support frame 3, the driven side single side support frame 6, the longitudinal transmission device 4, the main controller 9 and the cutting head 8 are separated from each other. After being packaged and transported separately, it is small in size and easy to move.
  • the bracket 2 is made of aluminum profile, which is light in weight and easy to handle.
  • the adjustable support foot 1 When assembling, the adjustable support foot 1 is used for ground support, and the overall structure is less affected by the level of the ground, and the adjustment is convenient.
  • the double rails on the active side double rail support frame 3 are directly processed, and the parallelism and levelness between the guide rails do not need to be adjusted later. The commissioning and installation is simple and convenient.
  • the driven side single-sided support frame 6 located at the other end of the lateral rail 7 only plays a rolling support role for the lateral rails 7 to share the weight of the partial transverse rails 7 and maintain the center of gravity balance, so that the installation does not require high precision. It is only necessary to ensure that the roller 10 does not slide out of the driven side single side support frame 6.
  • the light gantry CNC cutting machine After the assembly, not only retains the gantry-type structural features, but also exerts the cantilever structure advantages, the improvement effect is outstanding, and the use effect is obviously improved.

Description

轻型龙门数控切割机 技术领域
本发明涉及一种龙门数控切割机, 特别涉及一种稳定性高、 易于拆装的轻型龙门数控 切割机, 属于金属切割加工设备领域。
背景技术
随着数控切割行业的不断发展,数控切割机已广泛应用在铁路、机械制造、金属构件、 压力容器、 模型制作业、 广告业等行业领域中。
数控切割机按结构形式分为龙门式和悬臂式两种。
龙门式数控切割机采用龙门结构支撑工作主机水平移动,结构稳定性高, 结实、耐用, 采用双边驱动的方式运行平稳、 移动准确, 加工质量好、 精度高, 在大规模生产和高精度 切割要求的工件加工中使用较多, 是现代工业生产中板材切割生产的首选设备。但现有龙 门式数控切割机底座由工字钢支撑, 结构庞大、 重量较重、 不易运输; 而且, 为保证切割 质量和切割精度, 现有龙门式数控切割机对用户安装要求较高, 必须在安装中保证双边的 平行度和水平度, 给实际安装过程增加了难度, 也容易造成安装精度不够影响加工质量的 问题。
悬臂式数控切割机主要由相互成 90度夹角的横向和纵向传导机构组成,工作主机通过 横向和纵向传导机构实现水平方向的移动、 定位, 其体积小、 重量轻, 占用空间少, 易于 组装、 运输, 适合在一些场地小、 加工工件批量少的企业使用。 但受自身结构的限制, 现 有悬臂式数控切割机的切割质量和切割精度往往达不到龙门式数控切割机的高精度和高 稳定性标准。
如何根据上述两种数控切割机的结构优点对现有数控切割机进行结构改进,保证加工 精度的前提下提高结构安装的灵活性和运输的方便性, 就成为本发明首要解决的问题。
发明内容
鉴于上述现有数控切割机的结构特点和存在的不足, 本发明旨在提供一种组装灵活、 运输方便、 性能稳定、 加工精度高的轻型龙门数控切割机, 以扩大其适用范围, 满足不断 增长的工业化生产需要。
本发明是通过以下技术方案来实现的:
轻型龙门数控切割机, 包括支架、 相互垂直的横向导轨和纵向导轨、 主控制器、 以及 与主控制器电连接的割头和纵向传动装置, 割头连接在横向导轨上, 横向导轨连接在纵向 传动装置上, 纵向传动装置与纵向导轨连接, 纵向导轨连接在支架上, 主控制器连接在横 向导轨一端, 纵向导轨包括相对独立的主动侧双轨支撑架和从动侧单边支撑架, 主动侧双 轨支撑架和从动侧单边支撑架分别连接在支架上并位于横向导轨两端,主动侧双轨相互平 行并间隔一定的距离, 横向导轨一端通过纵向传动装置和双滑块与主动侧双轨支撑架连 接, 横向导轨另一端通过支撑滚轮放置在从动侧单边支撑架上。
所述主动侧双轨分别为双轴芯导轨。
所述支架为铝型材。
所述支架底部还设有可调节支腿。
所述纵向传动装置与横向导轨之间还设有斜拉支架。
本发明所述的轻型龙门数控切割机, 采用分体结构设计, 将体积较大、 安装精度要求 较高的纵向导轨拆分成主动侧双轨支撑架和从动侧单边支撑架两部分,主动侧双轨支撑架 上直接加工完成两条相互平行并带有一定间隔的导轨,在对横向导轨起到支撑和传导作用 的同时,双导轨间的平行度和水平度只与加工精度有关,不受安装精度的影响,易于安装、 调试, 特别解决了生产厂家安装调试工程师上门服务的必要, 节约了人力物力, 响应了低 碳号召。 而从动侧单边支撑架对横向导轨另一端只起到滚动支撑作用, 以平衡横向导轨的 重心, 对安装精度要求较低, 其结果大大降低了对使用前安装过程的要求, 简化了安装, 甚至不需专业人士就可自行拆装, 提高了使用灵活性。 同时, 在支架上采用可调节支脚进 行地面支撑, 受地面水平度影响较小, 调节方便、 组装快捷, 利于在各种场地上使用。 铝 型材制成的支架, 重量较轻, 搬运方便。 斜拉支架保证了横向导轨与纵向传动装置间的结 构稳定性, 提高了连接可靠性。 整体结构设计简单、 组装方便、 搬运灵活, 适于长途运输 使用, 组装后的切割机加工精度高、 性能可靠, 既保留了龙门式的结构特点, 又发挥了悬 臂式的优点, 改进效果突出, 实用性强。
附图说明
图 1为本发明的结构示意图。 具体实施方式
本发明的中心思想是利用龙门式数控切割机结构稳定性高、加工精度好的优点, 与悬 臂式数控切割机组装灵活、 运输方便的优点相结合, 设计一种更轻巧、 更稳定、 更可靠、 又拆装方便的轻型龙门数控切割机, 以满足不断提高的工业化生产需要。其设计的前提是 在保证足够的加工精度下, 能更好地组装、 运输。
下面结合附图 1对本发明做进一步的描述:
本发明所述的轻型龙门数控切割机, 其结构保留了龙门式的结构特点, 同时, 又改进 并简化了传动导轨、 支架等结构。 其结构具体包括支架 2、 可调节支腿 1、 相互垂直的横向 导轨 7和纵向导轨、 主控制器 9、 以及与主控制器 9电连接的割头 8和纵向传动装置 4。
割头 8作为切割过程的主要工具, 被连接在横向导轨 7上, 割头 8自身可根据加工需要 自动调节上、 下位置, 以保证割头 8与被加工工件的有效作用距离, 使切割过程顺利进行。
横向导轨 7为一条横向排列的水平导轨, 其为割头 8提供 X轴方向的水平移动。 横向导 轨 7底部连接在纵向传动装置 4上, 纵向传动装置 4主要由驱动电机、 齿轮、 齿条、 壳体等 组成。 纵向传动装置 4连接在纵向导轨上, 纵向传动装置 4通过驱动电机及纵向导轨等带动 横向导轨 7和割头 8在 Y轴方向上水平移动。
纵向导轨包括相对独立的主动侧双轨支撑架 3和从动侧单边支撑架 6,主动侧双轨支撑 架 3和从动侧单边支撑架 6分别连接在支架 2上并位于横向导轨 7两端。主动侧双导轨分别为 双轴芯导轨, 安装滑块时能自动居中, 不会发生偏斜现象, 一体结构的主动侧双轨支撑架 3保证了两条导轨的平行度和水平度要求, 避免了安装中带来的位置调节麻烦。 由于改进 后的主动侧双轨支撑架 3对横向导轨 7主要起到支撑、传导作用, 其结构将直接影响到传动 精度的高低, 故双导轨在保持平行的前提下, 还需相互间隔一定的距离, 使两条导轨真正 起到平行传导、 共同支撑的作用, 避免了一条纵向导轨易发生倾斜、 偏移的现象。 位于横 向导轨 7的另一端通过支撑滚轮 10放置在从动侧单边支撑架 6上, 从动侧单边支撑架 6主要 对横向导轨 7的另一端进行滚动过程的支撑,其只需保持滚轮 10在从动侧单边支撑架 6上即 可, 并不需要对横向导轨 7起到限制传导的作用, 简化了纵向导轨的安装过程。
为减轻重量, 支架 2选用铝型材制成, 铝型材的底部设有可调节支腿 1, 利用可调节支 腿 1进行整体结构支撑, 可降低安装过程对地面的要求, 提高安装可靠性和灵活性。 而为 了提高轻型龙门数控切割机的结构稳定性,在纵向传动装置 4与横向导轨 7之间还设有斜拉 支架 5, 利用三角形的结构稳定性增强切割机的整体刚性, 保证使用质量。
主控制器 9连接在横向导轨 7—端, 主控制器 9分别与割头 8和纵向传动装置 4电连接, 主控制器 9随着横向导轨 7的水平移动而移动。
当运输过程中, 支架 2、 可调节支腿 1、 横向导轨 7、 主动侧双轨支撑架 3、 从动侧单边 支撑架 6、 纵向传动装置 4、 主控制器 9和割头 8相互拆分后各自包装运输, 体积小、 易于移 动, 支架 2采用铝型材制成, 重量较轻, 搬运方便。 组装时, 利用可调节支脚 1进行地面支 撑, 整体结构受地面水平度影响较小, 调节方便。 主动侧双轨支撑架 3上的双导轨为直接 加工完成, 导轨间平行度和水平度不需后期调整, 调试安装简单、 方便。 位于横向导轨 7 另一端的从动侧单边支撑架 6只对横向导轨 7起到滚动支撑作用, 以分担部分横向导轨 7的 重量, 保持重心平衡, 故其安装不会对精度要求较高, 只需保证滚轮 10不滑出从动侧单边 支撑架 6即可。 组装完成后的轻型龙门数控切割机既保留了龙门式的结构特点, 又发挥了 悬臂式的结构优点, 改进效果突出, 使用效果明显改善。

Claims

权 利 要 求
1、 轻型龙门数控切割机, 包括支架、 相互垂直的横向导轨和纵向导轨、 主控制器、 以及与主控制器电连接的割头和纵向传动装置, 所述割头连接在横向导轨上, 横向导轨连 接在纵向传动装置上, 纵向传动装置与纵向导轨连接, 纵向导轨连接在支架上, 主控制器 连接在横向导轨一端, 其特征在于, 所述纵向导轨包括相对独立的主动侧双轨支撑架和从 动侧单边支撑架,主动侧双轨支撑架和从动侧单边支撑架分别连接在支架上并位于横向导 轨两端, 主动侧双轨相互平行并间隔一定的距离; 所述横向导轨一端通过纵向传动装置和 双滑块与主动侧双轨支撑架连接,横向导轨另一端通过支撑滚轮放置在从动侧单边支撑架 上。
2、 根据权利要求 1所述的轻型龙门数控切割机, 其特征在于, 所述主动侧双轨分别为 双轴芯导轨。
3、 根据权利要求 1所述的轻型龙门数控切割机, 其特征在于, 所述支架为铝型材。
4、 根据权利要求 1所述的轻型龙门数控切割机, 其特征在于, 所述支架底部还设有可 调节支腿。
5、 根据权利要求 1或 4所述的轻型龙门数控切割机, 其特征在于, 所述纵向传动装置 与横向导轨之间还设有斜拉支架。
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