CN113414281A - Radioactive pipe cutting device - Google Patents

Radioactive pipe cutting device Download PDF

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Publication number
CN113414281A
CN113414281A CN202110871476.2A CN202110871476A CN113414281A CN 113414281 A CN113414281 A CN 113414281A CN 202110871476 A CN202110871476 A CN 202110871476A CN 113414281 A CN113414281 A CN 113414281A
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CN
China
Prior art keywords
cutting
radioactive
push rod
cutting device
cavity
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Granted
Application number
CN202110871476.2A
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Chinese (zh)
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CN113414281B (en
Inventor
张日升
袁南南
杨帆
王华国
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Institute of Mechanical Manufacturing Technology of CAEP
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Institute of Mechanical Manufacturing Technology of CAEP
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Priority to CN202110871476.2A priority Critical patent/CN113414281B/en
Priority claimed from CN202110871476.2A external-priority patent/CN113414281B/en
Publication of CN113414281A publication Critical patent/CN113414281A/en
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Publication of CN113414281B publication Critical patent/CN113414281B/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D28/00—Shaping by press-cutting; Perforating
    • B21D28/02—Punching blanks or articles with or without obtaining scrap; Notching
    • B21D28/14—Dies
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D28/00—Shaping by press-cutting; Perforating
    • B21D28/02—Punching blanks or articles with or without obtaining scrap; Notching
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D43/00—Feeding, positioning or storing devices combined with, or arranged in, or specially adapted for use in connection with, apparatus for working or processing sheet metal, metal tubes or metal profiles; Associations therewith of cutting devices
    • B21D43/006—Feeding elongated articles, such as tubes, bars, or profiles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D43/00—Feeding, positioning or storing devices combined with, or arranged in, or specially adapted for use in connection with, apparatus for working or processing sheet metal, metal tubes or metal profiles; Associations therewith of cutting devices
    • B21D43/02—Advancing work in relation to the stroke of the die or tool
    • B21D43/16—Advancing work in relation to the stroke of the die or tool by gravity, e.g. chutes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D45/00—Ejecting or stripping-off devices arranged in machines or tools dealt with in this subclass
    • B21D45/06—Stripping-off devices
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D55/00—Safety devices protecting the machine or the operator, specially adapted for apparatus or machines dealt with in this subclass

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Crushing And Pulverization Processes (AREA)

Abstract

In order to solve the technical problem of potential safety hazard or risk caused by scattering of cutting scraps in the cutting process of radioactive pipes in the prior art, an embodiment of the invention provides a radioactive pipe cutting device, which comprises: the feed hopper is used for placing radioactive pipes; the cutting cavity is connected with the feed hopper so as to enable a part to be cut of the radioactive pipe in the feed hopper to enter; and the cutting device is connected with the cutting cavity and used for driving the cutting knife to reciprocate in the cutting cavity so as to cut the part to be cut of the radioactive pipe in the cutting cavity. According to the embodiment of the invention, the whole cutting process is placed in a closed environment through the design of the feed hopper, the cutting cavity and the cutting device, so that the radioactive cutting scraps are prevented from scattering in the cutting process, and the potential safety hazard or risk is reduced.

Description

Radioactive pipe cutting device
Technical Field
The invention relates to a radioactive tube cutting device.
Background
At present, the radioactive stainless steel pipe is generally required to be cut for subsequent process treatment, and meanwhile, the cutting treatment process is required to be in a closed environment, so that the radioactive cutting scraps in the cutting process are prevented from scattering. On the other hand, stainless steel pipes have high strength and require a large shearing force for cutting. Because the pipe has radioactivity, manual cutting cannot be adopted, and if a conventional cutting means is adopted, the potential safety hazard or risk of radioactive cutting scattering exists.
Disclosure of Invention
In order to solve the technical problem of potential safety hazard or risk caused by scattering of cutting scraps in the cutting process of radioactive pipes in the prior art, the embodiment of the invention provides a radioactive pipe cutting device.
The embodiment of the invention is realized by the following technical scheme:
a radioactive tubing cutting apparatus, comprising:
the feed hopper is used for placing radioactive pipes;
the cutting cavity is connected with the feed hopper so as to enable a part to be cut of the radioactive pipe in the feed hopper to enter; and
and the cutting device is used for being connected with the cutting cavity and driving the cutting knife to reciprocate in the cutting cavity so as to cut the part to be cut of the radioactive pipe in the cutting cavity.
Further, the radioactive tube cutting device further comprises:
the processing container is used for being connected with the cutting cavity through the adapter tube; and
and the discharge port is arranged at one end of the treatment container, which is far away from the adapter tube, and is used for discharging the cut radioactive pipe.
Further, the cutting device includes:
the adapter sleeve is used for being connected with the cutting cavity;
the cutting knife is used for cutting the part to be cut of the radioactive pipe; and
and the push rod is arranged in the adapter sleeve, one end of the push rod is used for being connected with the cutting knife, and the other end of the push rod is used for being connected with the power device so as to drive the cutting knife on the push rod to reciprocate in the cutting cavity.
Further, the cutting device further comprises:
the dense ball bearing is arranged between the body part of the push rod and the inner side of the adapter sleeve so as to enable the body part of the push rod to be rotatably connected with the inner side of the adapter sleeve; and
and the spring is arranged in the adapter sleeve, one end of the spring is used for being connected with the inner side of the adapter sleeve, and the other end of the spring is used for being connected with one end, close to the power device, of the push rod.
Further, the power plant includes: and the cylinder is used for driving the cutting knife on the push rod to reciprocate in the cutting cavity to cut the belt cutting part of the radioactive pipe.
Further, the cylinder is a multi-stage cylinder; the multistage cylinder includes:
a cylinder provided with an air outlet and an air inlet;
the output shaft is arranged in the cylinder body and is used for being connected with the other end of the push rod;
the pistons are sleeved on the outer side of the output shaft; and
and the central holes are arranged on each piston and are respectively communicated with the air outlet and the air inlet.
Furthermore, the cutting cavity comprises a female die, and an adjusting end is arranged at one end of the female die, which is far away from the cutting knife; the adjusting end is provided with an adjusting piece used for adjusting the stroke of the cutting knife in the female die.
Furthermore, the output supercharging multiple of the multi-stage cylinder is the ratio of the sum of the areas of the pistons to the acting area of the cutting knife.
Further, the cartridge includes:
an outer cylinder provided with an air outlet and an air inlet;
the inner bushing is arranged on the inner side of the outer barrel; and
the end cover is connected with the opening of the outer barrel;
the output shaft and the piston are arranged in the outer cylinder, and the other end of the output shaft extends out of the end cover.
Compared with the prior art, the embodiment of the invention has the following advantages and beneficial effects:
according to the radioactive pipe cutting device provided by the embodiment of the invention, the whole cutting process is placed in a closed environment through the design of the feed hopper, the cutting cavity and the cutting device, so that radioactive cuttings are prevented from scattering in the cutting process, and potential safety hazards or risks are reduced.
Drawings
In order to more clearly illustrate the technical solutions of the exemplary embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and that for those skilled in the art, other related drawings can be obtained from these drawings without inventive effort.
Fig. 1 is a schematic structural diagram of a radioactive tube cutting device.
Fig. 2 is a schematic structural view of a cutting mechanism of the radioactive tube cutting apparatus.
Fig. 3 is a schematic structural view of a multistage cylinder.
Reference numbers and corresponding part names in the drawings:
in the figure, 1-processing container, 2-cutting mechanism, 3-multi-stage cylinder, 4-bracket, 201-hopper, 202-hopper nut, 203-adjusting screw, 204-female die, 205-adapter tube, 206-locking nut, 207-cutting knife, 208-adapter sleeve, 209-push rod, 210-guiding screw, 211-spring, 212-ball-tight bearing, 301-outer cylinder, 302-inner bushing, 303-output shaft, 304-end cover, 305-air outlet device, 306-piston, 307-air inlet.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to examples and accompanying drawings, and the exemplary embodiments and descriptions thereof are only used for explaining the present invention and are not meant to limit the present invention.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. However, it will be apparent to one of ordinary skill in the art that: it is not necessary to employ these specific details to practice the present invention. In other instances, well-known structures, circuits, materials, or methods have not been described in detail so as not to obscure the present invention.
Throughout the specification, reference to "one embodiment," "an embodiment," "one example," or "an example" means: the particular features, structures, or characteristics described in connection with the embodiment or example are included in at least one embodiment of the invention. Thus, the appearances of the phrases "one embodiment," "an embodiment," "one example" or "an example" in various places throughout this specification are not necessarily all referring to the same embodiment or example. Furthermore, the particular features, structures, or characteristics may be combined in any suitable combination and/or sub-combination in one or more embodiments or examples. Further, those of ordinary skill in the art will appreciate that the illustrations provided herein are for illustrative purposes and are not necessarily drawn to scale. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
In the description of the present invention, the terms "front", "rear", "left", "right", "upper", "lower", "vertical", "horizontal", "upper", "lower", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and therefore, should not be construed as limiting the scope of the present invention.
Examples
In order to solve the technical problem of potential safety hazard or risk caused by scattering of chips in the cutting process of radioactive pipes in the prior art, an embodiment of the present invention provides a radioactive pipe cutting device, which is shown in fig. 1 to 3 and includes: a feed hopper 201 for placing radioactive tubing; the cutting cavity is connected with the feed hopper so as to enable a part to be cut of the radioactive pipe in the feed hopper to enter; and the cutting device is connected with the cutting cavity and used for driving the cutting knife to reciprocate in the cutting cavity so as to cut the part to be cut of the radioactive pipe in the cutting cavity.
Referring to fig. 1, the cutting device is horizontally placed and vertically fed and discharged; the feed hopper 201 is used for placing radioactive tube materials, the radioactive tube materials enter the feed hopper under the action of gravity, and the lower portion of the feed hopper is connected with the upper opening of the cutting cavity through a hopper nut 202; after the radioactive pipe enters the feed hopper, the radioactive pipe enters the cutting cavity through the lower part of the feed hopper; the cutting chamber right side sets up the cutting knife, and the cutting knife is reciprocating motion in the cutting chamber under cutting device's drive, cuts the radioactive pipe material in the cutting chamber, and the disconnected material that produces after the cutting gets into through the keysets under the effect of gravity and handles the container, carries out the ejection of compact. Due to the closed connection of the cutting cavity and the feed hopper, cuttings are prevented from scattering in the cutting process, and therefore, the occurrence of radioactive risks or safety accidents is avoided.
Further, the radioactive tube cutting device further comprises:
a processing container 1 for connection to the cutting chamber via an adapter tube 205; and
and the discharge port is arranged at one end of the treatment container, which is far away from the adapter tube, and is used for discharging the cut radioactive pipe.
Referring to fig. 1, a processing container 1 is connected to a lower opening of a cutting chamber; when the radioactive tube in the cutting cavity is cut in the cutting cavity, the radioactive tube enters the processing container 1 through the adapter tube and is discharged from the discharge hole of the processing container 1, so that the exposure of the cut radioactive tube is avoided.
Optionally, the cutting cavity comprises a female die 204, and an adjusting end is arranged at one end of the female die, which is far away from the cutting knife; the adjusting end is provided with an adjusting piece used for adjusting the stroke of the cutting knife in the female die. Optionally, the adjustment member comprises an adjustment screw 203 and an adjustment block connected to the adjustment screw.
Referring to fig. 2, the adjusting screw 203 is arranged at the left side of the female die 204, and the position of an adjusting block connected with the right end of the adjusting screw 203 in the female die can be adjusted by rotating the adjusting screw, so that the diameter of the radioactive pipe entering the female die can be adjusted; because the adjusting block occupies partial space in the adjusting process, the moving stroke of the cutting knife in the female die is adjusted equivalently. Therefore, by the mode, the adaptability adjustment of radioactive pipes with different diameters can be realized, and the application range of the radioactive pipe cutting device provided by the embodiment of the invention is expanded.
Further, the cutting device includes: the adapter sleeve is used for being connected with the cutting cavity; the cutting knife is used for cutting the part to be cut of the radioactive pipe; and the push rod is arranged in the adapter sleeve, one end of the push rod is used for being connected with the cutting knife, and the other end of the push rod is used for being connected with the power device so as to drive the cutting knife on the push rod to reciprocate in the cutting cavity.
The cutting mechanism 2 of the cutting device is shown with reference to fig. 2. Wherein the cutting device comprises an adapter sleeve 208; the left side of the adapter sleeve 208 is connected with the cutting cavity through a lock nut 206; the cutting knife 207 is arranged at the left end of the push rod 209 and is used for cutting the part to be cut of the radioactive tube in the cutting cavity. The right end of the push rod 209 is connected with a power device, and the power device drives the push rod to reciprocate, so that the cutting knife reciprocates in the cutting cavity, and the radioactive pipe in the cutting cavity is cut.
In order to enhance the stability of the push rod in the adapter sleeve and prevent the impact of the power device on the push rod; the cutting device further comprises: the dense ball bearing 212 is arranged between the body part of the push rod and the inner side of the adapter sleeve so as to enable the body part of the push rod to be rotatably connected with the inner side of the adapter sleeve; and the spring 211 is arranged in the adapter sleeve, one end of the spring is used for being connected with the inner side of the adapter sleeve, and the other end of the spring is used for being connected with one end of the push rod, which is close to the power device.
Referring to fig. 2, the front body of the push rod is connected with the inner wall of the adapter sleeve through a dense ball bearing 212; the back body part of the push rod 209 is connected with the inner wall of the adapter sleeve through a spring; the left end of the spring 211 is connected with the inner wall of the adapter sleeve; the right end of the spring is connected with the right end of the push rod through a guide screw 210; thus, when the push rod moves leftwards, the spring stretches to provide buffering to prevent the push rod from moving leftwards too fast; when the push rod moves to the right, the spring compression provides cushioning to prevent the push rod from retracting too quickly.
Optionally, the power plant comprises: and the cylinder is used for driving the cutting knife on the push rod to reciprocate in the cutting cavity to cut the belt cutting part of the radioactive pipe.
Alternatively, the cylinder is a multistage cylinder 3; the multi-stage cylinder 3 is supported by a bracket 4; the multistage cylinder includes: a cylinder provided with an air outlet and an air inlet; the output shaft is arranged in the cylinder body and is used for being connected with the other end of the push rod; the pistons are sleeved on the outer side of the output shaft; and the plurality of central holes are arranged on each piston, and each central hole is respectively communicated with the air outlet and the air inlet.
Optionally, the cartridge comprises: an outer tub provided with an air outlet and an air inlet 307; an inner liner 302 provided inside the outer tube; and an end cap 304 connected with the opening of the outer cylinder; the output shaft 303 and the piston 306 are arranged in the outer cylinder, and the other end of the output shaft extends out of the end cover.
Referring to fig. 3, the multi-stage cylinder includes an outer cylinder 301, an inner liner 302, an output shaft 303, an end cover 304, an air outlet device 305, a piston 306 and an air inlet 307; the upper side surface of the outer cylinder is provided with an air outlet, and the air outlet is provided with an air outlet device 305; the right side surface of the outer cylinder is provided with an air inlet 307; an inner lining 302 is arranged on the inner side of the outer cylinder 301; the inner side of the outer cylinder is provided with a plurality of pistons sleeved on the output shaft 303; the left end of the output shaft extends out of the end cover and is connected with the push rod. Each piston is provided with a central hole, and the air inlet and the air outlet of the outer cylinder are communicated with the central holes of the pistons.
The cutting process comprises the following steps: air is fed through the air inlet to push the output shaft, and the output shaft drives the push rod to move, so that the cutting head is driven to move to cut off the pipe. The rollback process comprises the following steps: the gas outlet admits air, promotes the cylinder piston and removes, and the cylinder output shaft drives the cutting head and rolls back.
In order to increase the shearing force output, optionally, the output supercharging multiple of the multi-stage cylinder is the ratio of the sum of the areas of the pistons to the acting area of the cutting knife. The active area may be the contact area of the cutting knife and the pipe.
Therefore, the embodiment of the invention avoids the scattering and diffusion of radioactive particles in the processes of feeding, discharging and cutting by the closed connection of the feed hopper, the cutting cavity and the processing container; the embodiment of the invention can realize automatic cutting of the radioactive pipe, realize unmanned operation and have high cutting efficiency; by adopting the multi-stage cylinder as the actuating mechanism of the device, large shearing force output can be realized.
The above-mentioned embodiments are intended to illustrate the objects, technical solutions and advantages of the present invention in further detail, and it should be understood that the above-mentioned embodiments are merely exemplary embodiments of the present invention, and are not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.

Claims (9)

1. A radioactive tube cutting device, comprising:
the feed hopper is used for placing radioactive pipes;
the cutting cavity is connected with the feed hopper so as to enable a part to be cut of the radioactive pipe in the feed hopper to enter; and
and the cutting device is used for being connected with the cutting cavity and driving the cutting knife to reciprocate in the cutting cavity so as to cut the part to be cut of the radioactive pipe in the cutting cavity.
2. The radioactive tube cutting device according to claim 1, further comprising:
the processing container is used for being connected with the cutting cavity through the adapter tube; and
and the discharge port is arranged at one end of the treatment container, which is far away from the adapter tube, and is used for discharging the cut radioactive pipe.
3. The radioactive tube cutting device according to claim 1, wherein the cutting device comprises:
the adapter sleeve is used for being connected with the cutting cavity;
the cutting knife is used for cutting the part to be cut of the radioactive pipe; and
and the push rod is arranged in the adapter sleeve, one end of the push rod is used for being connected with the cutting knife, and the other end of the push rod is used for being connected with the power device so as to drive the cutting knife on the push rod to reciprocate in the cutting cavity.
4. The radioactive tube cutting device according to claim 3, wherein said cutting device further comprises:
the dense ball bearing is arranged between the body part of the push rod and the inner side of the adapter sleeve so as to enable the body part of the push rod to be rotatably connected with the inner side of the adapter sleeve; and
and the spring is arranged in the adapter sleeve, one end of the spring is used for being connected with the inner side of the adapter sleeve, and the other end of the spring is used for being connected with one end, close to the power device, of the push rod.
5. The radioactive tube cutting device according to claim 4, wherein said power means comprises: and the cylinder is used for driving the cutting knife on the push rod to reciprocate in the cutting cavity to cut the belt cutting part of the radioactive pipe.
6. The radioactive tube cutting device according to claim 5, wherein the cylinder is a multi-stage cylinder; the multistage cylinder includes:
a cylinder provided with an air outlet and an air inlet;
the output shaft is arranged in the cylinder body and is used for being connected with the other end of the push rod;
the pistons are sleeved on the outer side of the output shaft; and
and the central holes are arranged on each piston and are respectively communicated with the air outlet and the air inlet.
7. The radioactive tube cutting device according to claim 1, wherein the cutting cavity comprises a female die, and an adjusting end is arranged at one end of the female die, which is far away from the cutting knife; the adjusting end is provided with an adjusting piece used for adjusting the stroke of the cutting knife in the female die.
8. The radioactive tube cutting device according to claim 6, wherein the output pressure increase multiple of the multistage cylinder is the ratio of the sum of the areas of the respective pistons to the effective area of the cutting knife.
9. The radioactive tubing cutting device of claim 6, wherein the barrel comprises:
an outer cylinder provided with an air outlet and an air inlet;
the inner bushing is arranged on the inner side of the outer barrel; and
the end cover is connected with the opening of the outer barrel;
the output shaft and the piston are arranged in the outer cylinder, and the other end of the output shaft extends out of the end cover.
CN202110871476.2A 2021-07-30 Radioactive pipe cutting device Active CN113414281B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202110871476.2A CN113414281B (en) 2021-07-30 Radioactive pipe cutting device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202110871476.2A CN113414281B (en) 2021-07-30 Radioactive pipe cutting device

Publications (2)

Publication Number Publication Date
CN113414281A true CN113414281A (en) 2021-09-21
CN113414281B CN113414281B (en) 2024-06-04

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CN110653866A (en) * 2019-10-30 2020-01-07 苏州超硕凡塑料制品有限公司 Rotatable plastic pipe cutting device
CN110714943A (en) * 2019-10-18 2020-01-21 捷福装备（武汉）股份有限公司 Two-stroke multistage supercharging cylinder
CN111590130A (en) * 2020-05-26 2020-08-28 四川荣塑管业集团有限责任公司 Pipe cutting machine
CN211516223U (en) * 2019-10-31 2020-09-18 南安凯杏工业产品设计有限公司 Cutting device suitable for building body
CN212239387U (en) * 2020-04-20 2020-12-29 天津易恒通金属制品有限公司 Fixing structure for copper bush cutting device
CN112238254A (en) * 2020-12-18 2021-01-19 杭州智行远机器人技术有限公司 Control method for cutting radioactive solid waste for nuclear industry
CN112658372A (en) * 2020-12-18 2021-04-16 杭州智行远机器人技术有限公司 Remote control type cutting system for nuclear industry pipe
CN112935385A (en) * 2021-03-16 2021-06-11 义乌市隐向贸易有限公司 Pipe cutting machine capable of preventing pipe from being extruded during cutting
CN215237137U (en) * 2021-07-30 2021-12-21 中国工程物理研究院机械制造工艺研究所 Radioactive pipe cutting device

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3600991A (en) * 1967-10-14 1971-08-24 Nippon Kokan Kk Flying pipe cutting apparatus
EP0647948A1 (en) * 1993-10-12 1995-04-12 FINMECCANICA S.p.A. AZIENDA ANSALDO A remote controlled laser apparatus for sealing and cutting internally contaminated piping
CN201815740U (en) * 2010-10-14 2011-05-04 陈兆伟 Pipe cutter
CN102691692A (en) * 2012-04-17 2012-09-26 新昌县大有机械有限公司 Multi-stage pressure composite cylinder
CN205927301U (en) * 2016-07-31 2017-02-08 天津市蓝亚冷暖设备科技有限公司 Small -size steel tube cutting machine
CN207239272U (en) * 2017-08-17 2018-04-17 古河奇宏电子（苏州）有限公司 A kind of copper pipe cutting machine
CN109158684A (en) * 2018-08-13 2019-01-08 广州大正机械科技开发有限公司 A kind of pipe fitting process equipment
CN209349594U (en) * 2018-12-05 2019-09-06 歌尔科技有限公司 Pipe fitting cuts jig and pipe fitting cutting equipment
CN109822236A (en) * 2019-04-04 2019-05-31 中国工程物理研究院机械制造工艺研究所 It is a kind of for pipe cutting and the device of welding
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