WO2011023128A1 - 双支撑管材切割设备 - Google Patents

双支撑管材切割设备 Download PDF

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Publication number
WO2011023128A1
WO2011023128A1 PCT/CN2010/076410 CN2010076410W WO2011023128A1 WO 2011023128 A1 WO2011023128 A1 WO 2011023128A1 CN 2010076410 W CN2010076410 W CN 2010076410W WO 2011023128 A1 WO2011023128 A1 WO 2011023128A1
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WIPO (PCT)
Prior art keywords
pipe
cutting
clamp
support
feeding
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PCT/CN2010/076410
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English (en)
French (fr)
Inventor
李路平
Original Assignee
Li Luping
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Publication date
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Publication of WO2011023128A1 publication Critical patent/WO2011023128A1/zh

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K26/00—Working by laser beam, e.g. welding, cutting or boring
    • B23K26/36—Removing material
    • B23K26/38—Removing material by boring or cutting
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K26/00—Working by laser beam, e.g. welding, cutting or boring
    • B23K26/08—Devices involving relative movement between laser beam and workpiece
    • B23K26/0823—Devices involving rotation of the workpiece

Definitions

  • the present invention relates to a machine tool for pipe slitting, and more particularly to a double support pipe cutting device.
  • the existing pipe cutting equipment mainly includes a chuck for clamping the pipe, a cutting mechanism (which can make laser cutting or mechanical cutting), and the following problems are often encountered when cutting the pipe:
  • the pipe is long and heavy.
  • Traditional cutting machines (whether laser cutting or mechanical cutting) usually clamp one end of the pipe and the other end is supported by a floating support.
  • Laser processing requires two slits to be cut. After cutting the first knife, the tube is indexed by rotation, but the tube is long and heavy, prone to deflection, and the center position of the tube is offset, resulting in laser focus or tool.
  • the position of the pipe is also offset, which causes the slit to be unevenly distributed in the circumferential direction of the pipe, and there are quality defects such as over-sintering of the slit and ultra-wide size, resulting in unqualified product quality.
  • the pipe is very long, the total stroke of the laser cutting head processing is also very long. Due to the influence of the laser beam's own divergence angle, the length of the optical path changes during processing, which causes the beam diameter to change, which affects the processing quality.
  • the two supporting devices of the laser processing machine are fixedly mounted, and the distance cannot be adjusted; and since the automatic feeding device is spaced from the supporting device, it is difficult to ensure that the pipe is aligned with the holding port of the supporting device when feeding; even if the pipe is smoothly inserted A support device, there is still a long distance between the first support device and the second support device, and the pipe is easily deflected, which makes it difficult to insert the pipe into the second support device, resulting in low processing efficiency and installation accuracy. High standard.
  • the present invention provides a double-supported pipe cutting apparatus capable of maintaining a constant center position of a pipe during processing, enabling automatic feeding of pipes, high processing precision, and high production efficiency.
  • the double support pipe cutting device comprises a frame, wherein the frame is provided with a supporting mechanism for receiving the pipe material and a cutting mechanism for cutting the pipe material;
  • the support mechanism includes a first support seat fixed to the frame and a first clamp for clamping the pipe;
  • the cutting mechanism comprises a cutting guide fixed on the frame, a cutting bracket slidably mounted on the cutting rail, and a pushing mechanism for pushing the cutting bracket to slide;
  • the cutting bracket is provided with a laser cutting head;
  • the double-supported pipe cutting device further comprises a feeding mechanism
  • the feeding mechanism comprises a feeding guide fixed on the machine tool and a second supporting seat slidably mounted on the feeding rail.
  • the second support base is provided with the first clamp pair a second clamp that rotates in the middle and synchronously; the first clamp and the second clamp alternately clamp the cut pipe when moving before and after the second clamp.
  • the support base is provided with a through hole for allowing the pipe to pass through, and the clamp is disposed on the circumference of the through hole;
  • the clamp comprises a slide rail uniformly distributed on the end surface of the support seat, and slidably a slider mounted on the slide rail and a stop block on the inner surface of the slider adjacent to the through hole; the slider is provided with a position for locking the slider Locking screws.
  • the pushing mechanism comprises a motor fixed on the frame, a nut screw mechanism interlocked with the motor, the nut is fixed on the cutting bracket, the screw and the screw The motor is linked.
  • the supporting mechanism is provided with a feeding support for supporting the pipe to be processed, and a feeding support support frame is arranged behind the feeding mechanism.
  • a processing area of the pipe is formed between the supporting mechanism and the laser cutting head, and a receiving tray for receiving the dross is disposed below the processing area.
  • both the first jig and the second jig are in a released state.
  • the pipe to be processed is passed through the feeding support frame and inserted into the through hole of the supporting mechanism, so that the first clamp clamps the pipe; the feeding mechanism is moved along the feeding guide to the supporting mechanism, when the feeding mechanism reaches the first When the position is preset, the movement is stopped to move forward, and the second clamp clamps the pipe and the first clamp releases the pipe; then the feeding mechanism is moved backward, and the pipe starts to feed under the drag of the feeding mechanism until When the feeding mechanism moves to the second preset position, the feeding mechanism stops moving backward; the laser cutting head starts to process the pipe; after the machining is completed, the first clamp clamps the pipe, the second clamp loosens the pipe, and the second clamp Move straight before starting Until the first preset position is reached, the first clamp releases the pipe, the second clamp clamps the pipe and moves backward, and the processed pipe is discharged through the discharge support frame.
  • the feeding mechanism is moved along the feeding guide to the supporting mechanism, when
  • the cut portion of the pipe is located between the two clamps, and the deflection of the cut portion is extremely small due to the positioning of the clamps at both ends, which ensures that the center position of the pipe is kept constant, and the slit is not Offset, keep the circumference even.
  • the invention has the advantages that the central position of the pipe can be kept constant during the processing, the pipe can be automatically fed, the whole pipe can be processed continuously, the pipe waste is not processed, the processing precision is high, and the production efficiency is high.
  • Figure 1 is a schematic view of the present invention from an oblique front angle
  • Figure 2 is a schematic view of the present invention from an oblique rear perspective
  • Figure 3 is a front view of the present invention
  • Figure 4 is a top view of the present invention
  • Figure 5 is a side view of the present invention
  • Figure 6 is a schematic view of the jig of the present invention
  • the double support pipe cutting device comprises a frame 1, and the frame 1 is provided with a support mechanism 2 for receiving the pipe material and a cutting mechanism 3 for cutting the pipe 4;
  • the support mechanism 2 includes a first support base 21 and a clip fixed to the frame 1. a first clamp 22 of the pipe;
  • the cutting mechanism includes a cutting guide 31 fixed to the frame, a cutting bracket 32 slidably mounted on the cutting rail 31, and a pushing mechanism 33 for pushing the cutting bracket 32 to slide; the cutting bracket 32 is mounted thereon a laser cutting head 34 located directly above the tube 4;
  • the double support pipe cutting apparatus further includes a feeding mechanism 5 including a feeding guide 51 fixed to the machine tool and a second supporting seat 52 slidably mounted on the feeding rail 51.
  • the second support base 52 is provided with a second clamp 53 that is strictly centered and synchronously rotated with the first clamp 22; when the second clamp 53 is moved forward and backward, the The first jig 22 and the second jig 53 alternately clamp the cut pipe 4. .
  • the support seats 21, 52 are provided with through holes 211, 521 for allowing the pipe to pass through, and the clamps 22, 53 are disposed on the circumference of the through holes 211, 521;
  • the clamps 22, 53 include a slide rail 221 uniformly distributed on the end surface of the support seat, a slider 222 slidably mounted on the slide rail 221, and a slider 222 fixed on the inner surface of the slider 222 adjacent to the through hole 211 for abutting the pipe
  • the block 223 is provided with a locking screw 224 for locking the position of the slider 222.
  • the pushing mechanism 33 includes a motor 331 fixed on the frame, a nut screw mechanism coupled with the motor 331, and the nut is fixed on the cutting bracket 32, the screw 332 is interlocked with the motor 331 as described.
  • the support mechanism 2 is provided with a feeding support frame 6 for supporting the pipe 4 to be processed, and a feeding support frame 7 for supporting the processed pipe 4 is arranged behind the feeding mechanism 5.
  • the support mechanism 2 and the laser cutting head 34 form a processing region of the pipe material, and the receiving plate 8 is provided with a receiving tray 8 for receiving the dross.
  • both the first jig 22 and the second jig 53 are in a released state.
  • the pipe 4 to be processed is passed through the incoming support frame 6, inserted into the through hole of the support mechanism 2, so that the first clamp 22 clamps the pipe 4; and the feeding mechanism 5 is moved along the feeding guide 51 toward the support mechanism 2.
  • the laser cutting head 34 When the feeding mechanism 5 is moved to the second predetermined position, the laser cutting head 34 performs a new processing on the tube, and then reciprocates until the entire tube is processed.
  • the content described in the embodiments of the present specification is merely an enumeration of the implementation forms of the inventive concept, and the scope of the present invention should not be construed as being limited to the specific forms stated in the embodiments. Equivalent technical means that a person can think of in accordance with the inventive concept.

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Plasma & Fusion (AREA)
  • Mechanical Engineering (AREA)
  • Laser Beam Processing (AREA)

Description

双支撑管材切割设备
技术领域
本发明涉及一种用于管材切缝的机床，尤其是一种双支撑管材切 割设备。
背景技术
现有管材切割设备主要包括一个用于夹紧管材的夹头、一个切割 机构 （可以使激光切割或机械切割）， 在切割管材时， 常遇到以下问 题：
1、 管材长而且重， 传统的切割机床（无论激光切割或机械切割） 通常是将管材一端夹紧， 另一端被浮动托起支撑。激光加工需要对一 条缝切割两次才能完成， 当切完第一刀后， 将管材旋转分度， 但管材 长而且重、 容易发生挠曲变形， 管材中心位置发生偏移， 导致激光焦 点或刀具相对管材的位置也随之发生偏移，造成切缝在管材的周向分 布不均匀， 而且会出现缝口过烧、 尺寸超宽等质量缺陷， 导致产品质 量不合格。
2、 管材很长， 激光切割头加工的总行程也很长。 由于激光束本 身发散角的影响，在加工过程中光路的长度变化会导致光束直径的变 化， 从而影响加工质量。
3、 切割头每次沿管材轴线方向加工的行程有限， 无法一次性完 成整根管筒的加工，需要人工多次推动待加工的管材，造成难以准确、 迅速地将筒管送至预定的位置。 中国专利第 200620122588.9号公布了一种双支撑梯形缝激光加 工机床， 是通过在工作区域内设置两个支撑装置， 通过一自动进料装 置向支撑装置进料， 以保证定位精度和提高加工效率。但是， 这种激 光加工机床的两个支撑装置固定安装， 距离无法调节； 且由于自动送 料装置与支撑装置有间隔，进料时难以保证管材对准支撑装置的夹持 口； 即使管材顺利插入第一个支撑装置， 第一个支撑装置与第二个支 撑装置之间仍有较长距离， 管材又容易发生挠曲， 导致难以将管材插 入第二个支撑装置中， 造成加工效率低、 安装精度要求高。
发明内容
为克服现有技术的上述缺点，本发明提供了一种能在加工过程中 管材中心位置保持恒定， 能使管材自动进料， 加工精度高、 生产效率 高的双支撑管材切割设备。
双支撑管材切割设备， 包括机架， 所述的机架上设有承接管材来 料的支撑机构和对管材切缝加工的切割机构；
所述的支撑机构包括固定在机架上的第一支撑座和装夹管材的 第一夹具；
所述的切割机构包括固定在机架上的切割导轨，可滑动地安装在 切割导轨上的切割支架， 和推动切割支架滑移的推动机构； 所述的切 割支架上装有激光切割头；
其特征在于：所述的双支撑管材切割设备还包括一进料机构， 所 述的进料机构包括固定在机床上的进料导轨和可滑动地安装在进料 导轨上的第二支撑座，所述的第二支撑座上设有与所述的第一夹具对 中、 且同步转动的第二夹具； 在所述的第二夹具前、 后移动时， 所述 的第一夹具和第二夹具交替夹紧被切割的管材。
进一步， 所述的支撑座上设有允许管材贯穿的通孔， 所述的夹具 设置在所述的通孔的圆周上；所述的夹具包括均匀分布在支撑座端面 的滑轨、可滑动地安装在所述滑轨上的滑块和固定在滑块的靠近所述 的通孔的内表面上的、抵紧管材的档块； 所述的滑块上设有锁定所述 的滑块位置的锁紧螺钉。
进一步， 所述的推动机构包括固定在所述的机架上的电机， 与所 述的电机连动的螺母螺杆机构， 所述的螺母固定在所述的切割支架 上， 所述的螺杆与所述的电机连动。
进一步，所述的支撑机构的前方设有支撑待加工的管材的来料支 撑架， 所述的进料机构后方设有支撑加工好的管材出料支撑架。
进一步，所述的支撑机构与所述的激光切割头之间构成管材的加 工区域， 所述的加工区域下方设有承接屑渣的接料盘。
本发明的技术构思是： 初始状态时， 第一夹具和第二夹具均处于 松开状态。先将待加工的管材通过来料支撑架、插入支撑机构的通孔 内， 使第一夹具夹紧管材； 使进料机构沿着进料导轨向支撑机构方向 移动， 当进料机构到达第一预设位置时， 停止继续向前移动， 并使第 二夹具夹紧管材、 第一夹具松开管材； 再使进料机构向后移动， 管材 在进料机构的拖动下开始进料， 直到进料机构移动到第二预设位置 时， 进料机构停止后移； 激光切割头开始对管材进行加工； 加工完成 后， 第一夹具夹紧管材、第二夹具松开管材， 且第二夹具开始前移直 至到达第一预设位置，第一夹具松开管材、第二夹具夹紧管材并后移， 将加工过的管材通过出料支撑架出料。当进料机构运动到第二预设位 置时， 激光切割头对管材进行新一次加工， 如此往复， 直到整根管材 被加工完。
明显地， 当实施切割加工时， 管材上被切割处位于两夹具之间， 由于两端夹具的定位， 被切割处的挠曲变形极其微小， 这就保证了管 材中心位置保持恒定， 切缝不偏移、 保持周向均匀。
本发明具有能在加工过程中管材中心位置保持恒定，能使管材自 动进料， 能持续对一整根管材进行加工、 无管材废料， 加工精度高、 生产效率高的优点。
附图说明
图 1为本发明从斜前方角度看的示意图
图 2为本发明从斜后方角度看的示意图
图 3为本发明的正视图
图 4为本发明的俯视图
图 5为本发明的侧视图
图 6为本发明的夹具的示意图
具体实施方式
参照附图， 进一步说明本发明：
双支撑管材切割设备， 包括机架 1， 所述的机架 1上设有承接管 材来料的支撑机构 2和对管材 4切缝加工的切割机构 3;
所述的支撑机构 2包括固定在机架 1上的第一支撑座 21和装夹 管材的第一夹具 22;
所述的切割机构包括固定在机架上的切割导轨 31， 可滑动地安 装在切割导轨 31上的切割支架 32， 和推动切割支架 32滑移的推动 机构 33 ; 所述的切割支架 32上装有位于管材 4正上方的激光切割头 34；
所述的双支撑管材切割设备还包括一进料机构 5， 所述的进料机 构 5包括固定在机床上的进料导轨 51和可滑动地安装在进料导轨 51 上的第二支撑座 52， 所述的第二支撑座 52上设有与所述的第一夹具 22严格对中、 且同步转动的第二夹具 53; 在所述的第二夹具 53前、 后移动时，所述的第一夹具 22和第二夹具 53交替夹紧被切割的管材 4。。
所述的支撑座 21、 52上设有允许管材贯穿的通孔 211、 521， 所 述的夹具 22、 53设置在所述的通孔 211、 521的圆周上； 所述的夹具 22、 53包括均匀分布在支撑座端面的滑轨 221、可滑动地安装在所述 滑轨 221上的滑块 222和固定在滑块 222的靠近所述的通孔 211的内 表面上的、 抵紧管材的档块 223 ; 所述的滑块 222上设有锁定所述的 滑块 222位置的锁紧螺钉 224。
所述的推动机构 33包括固定在所述的机架上的电机 331， 与所 述的电机 331连动的螺母螺杆机构，所述的螺母固定在所述的切割支 架 32上， 所述的螺杆 332与所述的电机 331连动。
所述的支撑机构 2的前方设有支撑待加工的管材 4的来料支撑架 6， 所述的进料机构 5后方设有支撑加工好的管材 4出料支撑架 7。 所述的支撑机构 2与所述的激光切割头 34之间构成管材的加工 区域， 所述的加工区域下方设有承接屑渣的接料盘 8。
本发明的技术构思是： 初始状态时， 第一夹具 22和第二夹具 53 均处于松开状态。 先将待加工的管材 4通过来料支撑架 6、 插入支撑 机构 2的通孔内， 使第一夹具 22夹紧管材 4; 使进料机构 5沿着进 料导轨 51向支撑机构 2方向移动， 当进料机构 5到达第一预设位置 时， 停止继续向前移动， 并使第二夹具 53夹紧管材 4、 第一夹具 22 松开管材 4; 再使进料机构 5向后移动， 管材 4在进料机构 5的拖动 下开始进料， 直到进料机构 5移动到第二预设位置时， 进料机构 5停 止后移； 激光切割头 34开始对管材 4进行加工； 加工完成后， 第一 夹具 22夹紧管材 4、第二夹具 53松开管材 4， 且第二夹具 53开始前 移直至到达第一预设位置， 第一夹具 22松开管材、第二夹具 53夹紧 管材并后移， 将加工过的管材通过出料支撑架 7出料。 当进料机构 5 运动到第二预设位置时， 激光切割头 34对管材进行新一次加工， 如 此往复， 直到整根管材被加工完。 本说明书实施例所述的内容仅仅是对发明构思的实现形式的列 举， 本发明的保护范围不应当被视为仅限于实施例所陈述的具体形 式，本发明的保护范围也及于本领域技术人员根据本发明构思所能够 想到的等同技术手段。

Claims

权 利 要 求 书
1、 双支撑管材切割设备， 包括机架， 所述的机架上设有承接管 材来料的支撑机构和对管材切缝加工的切割机构；
所述的支撑机构包括固定在机架上的第一支撑座和装夹管材的 第一夹具；
所述的切割机构包括固定在机架上的切割导轨，可滑动地安装在 切割导轨上的切割支架， 和推动切割支架滑移的推动机构； 所述的切 割支架上装有位于管材正上方的激光切割头；
其特征在于：所述的双支撑管材切割设备还包括一进料机构， 所 述的进料机构包括固定在机床上的进料导轨和可滑动地安装在进料 导轨上的第二支撑座，所述的第二支撑座上设有与所述的第一夹具严 格对中、 且同步转动的第二夹具； 在所述的第二夹具前、 后移动时， 所述的第一夹具和第二夹具交替夹紧被切割的管材。
2、 如权利要求 1所述的双支撑管材切割设备， 其特征在于： 所 述的支撑座上设有允许管材贯穿的通孔，所述的夹具设置在所述的通 孔的圆周上； 所述的夹具包括均匀分布在支撑座端面的滑轨、可滑动 地安装在所述滑轨上的滑块和固定在滑块的靠近所述的通孔的内表 面上的、抵紧管材的档块； 所述的滑块上设有锁定所述的滑块位置的 锁紧螺钉。
3、 如权利要求 2所述的双支撑管材切割设备， 其特征在于： 所 述的推动机构包括固定在所述的机架上的电机，与所述的电机连动的 螺母螺杆机构， 所述的螺母固定在所述的切割支架上， 所述的螺杆与 所述的电机连动。
4、 如权利要求 3所述的双支撑管材切割设备， 其特征在于： 所 述的支撑机构的前方设有支撑待加工的管材的来料支撑架，所述的进 料机构后方设有支撑加工好的管材出料支撑架。
5、 如权利要求 1-4之一所述的双支撑管材切割设备， 其特征在 于： 所述的支撑机构与所述的激光切割头之间构成管材的加工区域， 所述的加工区域下方设有承接屑渣的接料盘。
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