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WO2017188717A1 - Outil de serrage de raccord de tube - Google Patents

Outil de serrage de raccord de tube Download PDF

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Publication number
WO2017188717A1
WO2017188717A1 PCT/KR2017/004414 KR2017004414W WO2017188717A1 WO 2017188717 A1 WO2017188717 A1 WO 2017188717A1 KR 2017004414 W KR2017004414 W KR 2017004414W WO 2017188717 A1 WO2017188717 A1 WO 2017188717A1
Authority
WO
WIPO (PCT)
Prior art keywords
pressing
crimping
pair
clamping
line contact
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/KR2017/004414
Other languages
English (en)
Korean (ko)
Inventor
조경호
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.)
Sewon Technology Co Ltd
Original Assignee
Sewon Technology Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from KR1020160094797A external-priority patent/KR101793985B1/ko
Application filed by Sewon Technology Co Ltd filed Critical Sewon Technology Co Ltd
Publication of WO2017188717A1 publication Critical patent/WO2017188717A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • 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
    • B21D39/00—Application of procedures in order to connect objects or parts, e.g. coating with sheet metal otherwise than by plating; Tube expanders
    • B21D39/04—Application of procedures in order to connect objects or parts, e.g. coating with sheet metal otherwise than by plating; Tube expanders of tubes with tubes; of tubes with rods
    • 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
    • B21D41/00—Application of procedures in order to alter the diameter of tube ends
    • B21D41/04—Reducing; Closing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
    • B23P19/00—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
    • B23P19/02—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes for connecting objects by press fit or for detaching same
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
    • B25B27/00—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for
    • B25B27/02—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for connecting objects by press fit or detaching same
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L13/00—Non-disconnectable pipe joints, e.g. soldered, adhesive, or caulked joints
    • F16L13/14—Non-disconnectable pipe joints, e.g. soldered, adhesive, or caulked joints made by plastically deforming the material of the pipe, e.g. by flanging, rolling

Definitions

  • the present invention relates to a pipe fitting crimping tool for crimping a pair of metal pipes together using pipe fittings. More specifically, by inserting the pipes respectively into the circular sockets with rubber rings and metal rings formed at both ends of the pipe fittings, and uniformly pressurizing them from all directions, it is possible to give airtightness to the connecting joints of the pipes. To a pipe fitting crimping tool.
  • a rubber ring and a metal ring are inserted into the groove provided in the socket portion of the pipe fitting into which the end of the pipe is inserted, and is mounted in the form of wrapping the outer surface of the socket portion.
  • the crimping tool is pressurized in the direction of the center of the pipe to press the socket part to maintain the airtightness and the firm fastening state of the pipe connection.
  • the technology of the present invention includes a movable jaw and a fixed jaw to crimp pipe fittings for small diameter pipes of approximately 50 mm in diameter. It is about a crimping tool which is easy to do.
  • the prior art operates in such a way that the socket part of the pipe fitting is positioned in the inner space formed by the movable tub and the fixed tub, and then the sliding of the movable tub is pressed to tighten the outer space of the socket.
  • the Korean Patent No. 10-1598204 has a pair of fasteners (1, 4) and two pressing guide spheres (2, 5).
  • the pair of fasteners 1 and 4 are provided with fixing tubs 7 and 8, respectively, in a state of forming an inner circumferential portion, one end of which is connected to each other by a connecting pin 9 to point the connecting pin 9 to a point. Rotational operation to the center is folded or unfolded in a state surrounding the socket portion (s) of the pipe fitting.
  • the two pressing guide spheres 2 and 5 are provided with movable tanks 3 and 6 at the bottom, respectively, and are arranged one by one on the end (free end) side of the two fastening parts 1 and 4, respectively.
  • the crimping guide spheres 2 and 5 are set to have fitting engagement states that can be slid left and right on the guide surfaces 1a of the tightening portions 1 and 4, respectively. That is, as shown in the enlarged cross-sectional view taken along the line A-A 'of FIG. 1, the crimping guide sphere rear surface 2a is formed in the shape of a protruding rail and the guide surface 1a of the tightening part is formed in the shape of a rail groove.
  • the guide sphere rear surface 2a is slidably moved in a state where it is fitted to the guide surface 1a.
  • the sliding guide rear surface 2a on which the movable tub is formed is slidably moved in a state of being fitted to the guide surface 1a, whereby slip friction is performed around the outer circumference of the socket portion s in which the movable tubs 3 and 6 are in contact.
  • Korean Patent Publication No. 10-2012-0053691 Korean Patent Publication No. 10-2012-0053691.
  • This configuration produces an effect of minimizing slip friction at the mutually contacting surfaces of the movable tanks 3 and 6 and the outer circumference of the socket portion s during the pressing process, while causing the following problems.
  • the strain energy suppressed in this way acts as energy for forming a hump p by protruding the socket portion into the gap g between the movable tanks 3 and 6 and the fixing tanks 7 and 8 as the compression progresses.
  • the configuration in which the crimping guide sphere rear surface 2a is fitted to the guide surfaces of the fastening parts 1 and 4 as in the prior art has a problem in that the occurrence of a lump p in the gap g becomes severe. Therefore, when the final crimping is completed in this state, the hump p remains in the form of a fin on the outer surface of the socket part, and there is a problem that the residual stress is unbalanced after the crimping of this part.
  • the present invention is to solve the problems of the prior art, such as the Korean Patent No. 10-1598204 filed by the present applicant, the outer periphery of the movable tank (3, 6) and the socket portion (s) in the pressing process
  • An object of the present invention is to devise a constitution of a pipe fitting crimping tool that can minimize the bumps (p) generated in the gap (g) while generating the effect of minimizing friction at the mutual contact surfaces.
  • the pipe fitting crimping tool of the present invention has a pair of supports and a pair of fasteners formed so as to be able to tighten on an upper portion of the support and a pair of crimping tools engaged one by one on the ends of the pair of fasteners.
  • the support portion and the pressing hole are elastically supported on each side facing each other by the elastic sphere, and the pressing surface of the pressing hole and the guide surface of the tightening portion facing the pressing surface of the pressing portion are each formed of a flat surface of an arc shape.
  • the line contact portion is formed in the pressing process on the back of the contact surface and the guide surface facing each other.
  • a wedge-shaped space is formed between the rear surface of the pressing contact surface and the guide surface facing each other, and the separation distance gradually increases toward the rear side of the line contact portion during the pressing process.
  • the elastic ball for elastically supporting the support portion and the pressing hole is installed so that the direction of the elastic ball reaction force passes through the lower portion of the line contact portion, the elastic ball reaction force by rotating the pressing hole body around the line contact portion as a central axis It will form a wedge-shaped space.
  • the present invention can minimize the occurrence of slip friction between the movable tank and the socket portion during the crimping process, it is also possible to obtain the effect of suppressing the scratches or squeeze phenomenon occurring on the surface of the compacted socket portion to the maximum.
  • FIG 3 is a view showing a state before the start of the crimping operation of the first embodiment of the present invention.
  • Figure 4 is a perspective view of the crimping device of the first embodiment of the present invention.
  • FIG. 5 is a view showing an initial stage of the pressing action of the first embodiment of the present invention.
  • FIG. 6 is a view showing the completion of the crimping operation of the first embodiment of the present invention.
  • FIG. 7 is a view showing the completion of the compaction operation of the second embodiment of the present invention.
  • directionality such as' top ',' bottom ',' front ',' back ',' left, 'right', 'tip', 'front', 'back', 'rear', etc. used in the description of the present invention.
  • the term is based on the orientation of the disclosed figure (s). However, since the components of the embodiments of the present invention may be positioned in various orientations, the directional terminology is used for the purpose of illustration and not limitation.
  • FIG. 3 is a view schematically showing the entire structure of a pipe fitting crimping tool according to a first embodiment of the present invention, showing a state before starting the crimping action.
  • the pipe fitting crimping tool according to the present embodiment can be largely divided into a crimping port 10 and the body 20.
  • the body 20 may be divided into a fixing tank (17, 18) and a pair of support parts (31, 32) and a pair of fasteners (11, 14).
  • the fixing tanks 17 and 18 are disposed to face the inner space into which the socket portion s of the pipe fitting is inserted.
  • One end of the pair of support portions 31 and 32 is connected to each other by a shaft pin 19.
  • the pair of fasteners 11 and 14 are positioned above the support and tighten the inner space to perform a crimping operation.
  • the pair of fasteners 11 and 14 are arranged to surround the socket part s of the pipe fitting, and the fixing tubs 17 and 18 and the crimp 10 of the support parts 31 and 32 are disposed.
  • Movable tub (13, 16) of the) to form a connection state of the circular shape with each other to tighten the socket so as to compress in the direction to retract the socket (s).
  • the lower surfaces of the tightening portions 11 and 14 are formed of guide surfaces 11a and 14a, and are formed of circular arc-shaped flat surfaces, and face the pressing hole rear surfaces 12a and 15a described later.
  • the crimp 10 is disposed toward the inner space into which the pipe fitting socket s is inserted, and is coupled one by one to the lower end of the pair of tightening parts 11 and 14.
  • the pressing hole 10 is formed to perform the pressing operation in connection with the tightening action of the tightening parts (11, 14).
  • the crimp 10 has an inner space into which the pipe fitting socket s is inserted at the lower part of the crimp bodies 12 and 15.
  • Movable tanks 13 and 16 are provided to face each other.
  • the crimp back surfaces 12a and 15a are formed in a circular arc-shaped flat surface to face the guide surfaces 11a and 14a of the tightening portions 11 and 14.
  • Both sides of the pressing body (12, 15) is formed with a plate-shaped coupling piece 25 protruding upward.
  • the coupling piece 25 is formed with a long hole-shaped guide hole (21, 22)
  • the crimp 10 is a guide pin 23 through the guide hole (21, 22) and the fastening portion (11, 14) at the same time , 24 is coupled to the tightening part (11, 14).
  • the crimp 10 can be cracked up and down with a little play with the guide surfaces 11a and 14a of the tightening parts 11 and 14 at the lower ends of the tightening parts 11 and 14. Make it.
  • the pressing hole 10 is the guide surface (11a, 14a) of the tightening portion (11, 14) In the guide hole (21, 22) to make the state that can move in the left and right direction by the length of the long hole forming each.
  • Reference numeral 33 in FIG. 4 is a protective piece for preventing foreign matter from entering the gap g during the operation.
  • the support parts 31 and 32 and the crimp 10 of the body 20 have respective sides facing each other, that is, the lower sides of the crimp bodies 12 and 15 and the support parts facing thereto. Insertion holes 26 and 27 are formed in the side surfaces of the inner space 31 and 32 so as to communicate with each other.
  • the elastic sphere 28 such as the compression coil spring
  • the elastic sphere repulsive force a is generated.
  • the pressing hole 10 which receives this force is pushed to the opposite side of the supporting parts 31 and 32, and the lower end of the guide holes 21 and 22 formed in the pressing hole 10 is stopped by the guide pins 23 and 24. Done.
  • the crimping hole 10 in this state maintains a state in which the body 20 facing each other, that is, the sides of the support portions 31 and 32 and the elastic support.
  • the crimp 10 is the back contact portion 12a and 15a of the line contact portion c.
  • the crimp opening force b is intended to rotate the crimp body 12 and 15 around the line contact portion c as a central axis.
  • the pressing body (12, 15) of the rear side of the line contact portion (c) guides The wedge-shaped space w is formed away from the surfaces 11a and 14a, so that the movable tubs 13 and 16 are pushed toward the inner space and contact the outer circumference of the socket portion s.
  • the movable tub (13, 16) and the socket portion (s) is a surface contact is made at the contact length (e) portion and the pressing of the socket portion (s) begins.
  • the surface contact portion is suppressed from slip friction due to the frictional resistance between the surface and the surface. That is, in the initial stage of the crimping, deformation of the socket portion s of the contact length e portion in the circumferential direction is suppressed as much as possible.
  • the strain energy generated in the socket portion may be ejected to another portion instead of the contact length e portion of the movable tanks 13 and 16 and the socket portion s.
  • the gap g between the movable tanks 13 and 16 and the fixing tanks 17 and 18 will appear as a problem that the socket portion protrudes to form a hump p as in the prior art.
  • the socket portion strain energy generated in the contact length (e) portion is less than the frictional resistance generated by the surface contact between the movable tub (13, 16) and the socket portion (s) at the contact length (e) portion.
  • the excess deformation force is ejected toward the movable tanks 13 and 16, and eventually the socket part which lifts the crimp body 12 and 15 to the wedge-shaped space w instantaneously with the line contact part c as a center axis. It acts as a repulsive force (d) and then resolves. Therefore, the gap between the movable jaws 13 and 16 and the fixed jaws 17 and 18 may also minimize the phenomenon in which the socket portion protrudes to form a bump p.
  • the excess strain force is repeatedly generated and released, so that the crimp body (12, 15) is temporarily lifted into the wedge-shaped space (w), and the action of returning also occurs repeatedly. This action makes the operator feel as if the crimp bodies 12 and 15 are repeatedly cracking during the crimping operation.
  • the pressing hole 10 moves toward the support portions 31 and 32 while gradually compressing the elastic sphere 28, and thus the line contact portion c also moves toward the support portions 31 and 32.
  • the size of the wedge-shaped space w gradually decreases, and eventually, as shown in FIG. 6, the crimp back surfaces 12a and 15a closely contact the guide surfaces 11a and 14a so that the wedge-shaped space w disappears and the socket portion is crimped. Will complete.
  • the present invention can minimize the occurrence of slip friction between the movable tank (13, 16) and the socket portion (s) and at the same time can also minimize the phenomenon that the socket portion protrudes when forming a lump (p). have.
  • the pressing tool of the second embodiment shown in Figure 7 is formed of a tongs type, the shape of the body 200 is different from the first embodiment, but the configuration of the pressing tool 10, which is the core of the present invention, The coupling configuration and the working effect between the crimp 10 and the tightening portions 11 and 14 are the same as in the first embodiment.
  • a pair of bodies 200 are symmetrically installed around a pair of shaft pins 190 and 191. Since the body 200 may rotate about the shaft pins 190 and 191, the crimping of the pipe fitting using the principle of the lever becomes possible.
  • the pair of bodies 200 has tightening portions 11 and 14 and support portions 31 and 32 at the upper portion and actuating levers 310 and 320 at the lower portion based on the shaft pins 190 and 191.
  • the body 200 is installed symmetrically facing each other.
  • the coupler 400 is coupled to the body 200 by the shaft pins (190, 191).
  • the lower operation levers 310 and 320 may be rotated by a separate driving device connected to the driving device connecting hole 410.
  • the shaft pins 190 and 191 is provided with a pair of support parts 31 and 32 on which the fixing tanks 17 and 18 are installed, and the pressing hole 10 is coupled to the lower side. It consists of a pair of fasteners 11, 14.
  • Reference numeral 280 is a spring.
  • an inner space formed by being surrounded by the movable tubs 13 and 16 and the fixing tubs 17 and 18 also opens, so that the socket portion s of the fitting can be inserted.
  • the driving head (not shown) of the driving device for example, the hydraulic cylinder
  • the driving device for example, the hydraulic cylinder
  • the driving head is pushed into the space between the inner surface 311 and the inner surface 321 of the pair of operating levers 310 and 320.
  • the operation lever (310, 320) gradually to the left and right.
  • the drive unit is coupled to the drive unit connection hole 410, so that the force pushing the drive head is effectively transmitted to the crimping tool.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Quick-Acting Or Multi-Walled Pipe Joints (AREA)

Abstract

La présente invention concerne un outil de serrage de raccord de tube, lequel outil comprend : un corps comprenant une paire de parties de support, dont les premières extrémités sont reliées entre elles par une broche d'arbre, et une paire de parties de fixation formées de façon à être aptes à effectuer des opérations de fixation sur les parties supérieures des parties de support ; et des éléments de serrage, dont chacun est couplé à une extrémité de chaque paire de parties de fixation. Une surface latérale de l'élément de serrage et une surface latérale du corps se font mutuellement face et sont portées élastiquement par un élément élastique. Une surface arrière d'élément de serrage de l'élément de serrage et une surface de guidage d'une partie de fixation, qui fait face à la surface arrière d'élément de serrage et qui bute contre cette dernière, sont configurées sous la forme de surfaces plates en forme d'arc, respectivement, de telle sorte qu'une partie de contact de ligne est formée au cours du serrage entre la surface arrière d'élément de serrage et la surface de guidage, qui se font mutuellement face et qui butent l'une contre l'autre. De plus, un espace en forme de coin est formé entre la surface arrière d'élément de serrage et la surface de guidage, qui se font mutuellement face et qui butent l'une contre l'autre, de telle sorte que la distance d'espacement augmente graduellement vers le côté arrière de la partie de contact de ligne dans le processus de serrage. Par conséquent, la présente invention peut réduire au minimum un frottement de glissement survenant entre une mâchoire mobile et une partie douille, et peut également réduire au minimum un renflement formé par une saillie de la partie douille pendant le serrage.
PCT/KR2017/004414 2016-04-26 2017-04-26 Outil de serrage de raccord de tube Ceased WO2017188717A1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
KR10-2016-0050956 2016-04-26
KR20160050956 2016-04-26
KR1020160094797A KR101793985B1 (ko) 2016-04-26 2016-07-26 관 이음쇠 압착공구
KR10-2016-0094797 2016-07-26

Publications (1)

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WO2017188717A1 true WO2017188717A1 (fr) 2017-11-02

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PCT/KR2017/004414 Ceased WO2017188717A1 (fr) 2016-04-26 2017-04-26 Outil de serrage de raccord de tube

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Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108000102A (zh) * 2017-12-29 2018-05-08 浙江宏日自动化科技有限公司 插针机构
CN108356498A (zh) * 2018-03-26 2018-08-03 艾默生管道工具(上海)有限公司 压接工具
CN109807593A (zh) * 2019-03-06 2019-05-28 江苏银河同智新能源科技有限公司 一种装配弹性圆柱销的防刮伤工装及装配方法
SE1751531A1 (en) * 2017-12-12 2019-06-13 Mykaa Verktyg Och Mekanik Ab A pressing tool for clamping a clamping device for attaching a fire hose to a fitting
CN109954791A (zh) * 2019-03-20 2019-07-02 常州市盛士达汽车空调有限公司 管件扣压装置
CN110587292A (zh) * 2019-09-19 2019-12-20 泉州台商投资区雷墨设计有限公司 一种自动喷胶书型盒组装的校吊式机械装配生产流水线
CN111195687A (zh) * 2020-01-16 2020-05-26 太湖华美医疗器材有限公司 一种用于外置式听诊器耳挂的组装装置
CN113142794A (zh) * 2021-04-02 2021-07-23 永艺家具股份有限公司 一种拆装式桌脚及桌脚组合结构
CN114080350A (zh) * 2019-07-12 2022-02-22 朴根浩 摆臂固定吊架
US11578824B2 (en) 2018-03-26 2023-02-14 Ridge Tool Company Crimping tool

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US20030230130A1 (en) * 2002-06-17 2003-12-18 Emerson Electric Co. Assembly for articulating crimp ring and actuator
KR101034454B1 (ko) * 2010-07-29 2011-05-17 김광찬 파이프 압착 체결장치
KR101468150B1 (ko) * 2014-07-07 2014-12-05 (주) 신한메탈 압착식 파이프 연결구 압착기
KR101575896B1 (ko) * 2014-06-09 2015-12-08 주식회사 서원기술 배관용 압착체결구
KR101598204B1 (ko) * 2015-11-18 2016-02-26 주식회사 서원기술 배관용 압착체결구

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20030230130A1 (en) * 2002-06-17 2003-12-18 Emerson Electric Co. Assembly for articulating crimp ring and actuator
KR101034454B1 (ko) * 2010-07-29 2011-05-17 김광찬 파이프 압착 체결장치
KR101575896B1 (ko) * 2014-06-09 2015-12-08 주식회사 서원기술 배관용 압착체결구
KR101468150B1 (ko) * 2014-07-07 2014-12-05 (주) 신한메탈 압착식 파이프 연결구 압착기
KR101598204B1 (ko) * 2015-11-18 2016-02-26 주식회사 서원기술 배관용 압착체결구

Cited By (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE1751531A1 (en) * 2017-12-12 2019-06-13 Mykaa Verktyg Och Mekanik Ab A pressing tool for clamping a clamping device for attaching a fire hose to a fitting
SE541430C2 (en) * 2017-12-12 2019-10-01 Mykaa Verktyg Och Mekanik Ab A pressing tool for clamping a clamping device for attaching a fire hose to a fitting
CN108000102A (zh) * 2017-12-29 2018-05-08 浙江宏日自动化科技有限公司 插针机构
CN108356498A (zh) * 2018-03-26 2018-08-03 艾默生管道工具(上海)有限公司 压接工具
US20190291165A1 (en) * 2018-03-26 2019-09-26 Ridge Tool Company Crimping tool
CN108356498B (zh) * 2018-03-26 2024-06-11 艾默生精密工具技术(上海)有限公司 压接工具
US11577299B2 (en) * 2018-03-26 2023-02-14 Ridge Tool Company Crimping tool
US11578824B2 (en) 2018-03-26 2023-02-14 Ridge Tool Company Crimping tool
CN109807593A (zh) * 2019-03-06 2019-05-28 江苏银河同智新能源科技有限公司 一种装配弹性圆柱销的防刮伤工装及装配方法
CN109954791A (zh) * 2019-03-20 2019-07-02 常州市盛士达汽车空调有限公司 管件扣压装置
CN114080350A (zh) * 2019-07-12 2022-02-22 朴根浩 摆臂固定吊架
CN114080350B (zh) * 2019-07-12 2023-08-15 朴根浩 摆臂固定吊架
CN110587292B (zh) * 2019-09-19 2020-10-13 泉州市同通电子设备有限公司 一种自动喷胶书型盒组装的校吊式机械装配生产流水线
CN110587292A (zh) * 2019-09-19 2019-12-20 泉州台商投资区雷墨设计有限公司 一种自动喷胶书型盒组装的校吊式机械装配生产流水线
CN111195687B (zh) * 2020-01-16 2021-06-22 太湖华美医疗器材有限公司 一种用于外置式听诊器耳挂的组装装置
CN111195687A (zh) * 2020-01-16 2020-05-26 太湖华美医疗器材有限公司 一种用于外置式听诊器耳挂的组装装置
CN113142794A (zh) * 2021-04-02 2021-07-23 永艺家具股份有限公司 一种拆装式桌脚及桌脚组合结构

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