WO1994015744A1 - Dispositif de filetage a commande manuelle - Google Patents

Dispositif de filetage a commande manuelle Download PDF

Info

Publication number
WO1994015744A1
WO1994015744A1 PCT/CN1994/000005 CN9400005W WO9415744A1 WO 1994015744 A1 WO1994015744 A1 WO 1994015744A1 CN 9400005 W CN9400005 W CN 9400005W WO 9415744 A1 WO9415744 A1 WO 9415744A1
Authority
WO
WIPO (PCT)
Prior art keywords
machine according
floating
threading machine
fuselage
threading
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/CN1994/000005
Other languages
English (en)
Chinese (zh)
Inventor
Mingde Chen
Mingli Liu
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.)
Solar Electronic Science & Technology Co
Original Assignee
Solar Electronic Science & Technology Co
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
Application filed by Solar Electronic Science & Technology Co filed Critical Solar Electronic Science & Technology Co
Priority to AU58566/94A priority Critical patent/AU5856694A/en
Publication of WO1994015744A1 publication Critical patent/WO1994015744A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23G—THREAD CUTTING; WORKING OF SCREWS, BOLT HEADS, OR NUTS, IN CONJUNCTION THEREWITH
    • B23G1/00—Thread cutting; Automatic machines specially designed therefor
    • B23G1/26—Manually-operated thread-cutting devices
    • B23G1/261—Die and tap wrenches

Definitions

  • the present invention relates to a manual threading machine, and more particularly to a manual threading machine for cutting a thread from a pipe or other material for a fluid conveying pipe.
  • Electric threading machine which consists of a motor, a salt-speed machine ⁇ , a screw cutting head (called a 1 ⁇ 2 rack), a pipe lock, an axial pusher for push-in, and a fuselage.
  • the dog drives the pipe fixing device so that it fixes the pipe together with the pipe
  • Jiang Guo Patent Specification US4349931 discloses a wire clamp, in which a workpiece is held by a chain or a claw, and then the handle and the twist wrench (that is, the wire Mold) handle to complete the threading work on the workpiece.
  • the feature of this device is that the fixture used to hold the workpiece does not automatically lock the workpiece, but must be held by external force; secondly, the axial feed of the die frame is separated from the rotation of the die frame itself.
  • the object of the present invention is to provide a manual threader capable of clamping a workpiece to be processed in a self-clamping manner and automatically generating an axial force at the same time as a processing operation.
  • the solution adopted by the present invention is to provide a manual threading machine, which includes a main body and a driving mechanism provided on a threaded sleeve for driving the die frame, and one end of the main body is provided with a clamping mechanism.
  • the self-holding clamping mechanism of the workpiece to be processed, the threaded sleeve and the self-holding clamping mechanism are coaxially connected to the other end of the fuselage and can move axially relative to the self-holding clamping machine.
  • the sleeve is relatively slidably connected.
  • the threaded sleeve of such a threading machine is connected to the fuselage through threads.
  • a slide is fixed to one side of the die frame, and the slide can be slid into a corresponding hole of the threaded sleeve.
  • the threaded cylinder is connected with the slip ring by screw.
  • On the outer circumference of the slip ring there is a slide groove parallel to its axis.
  • One end of the cobalt is fixed in the fuselage, and the other end can be in the slide groove on the outer circumference of the slide ring.
  • the die frame is fixedly connected to the threaded sleeve and placed therein.
  • a slider is fixedly attached to one side of the die paddle, and the slider is slidably placed in a corresponding hole of the threaded sleeve.
  • the self-propelled clamping mechanism includes a hollow sliding plate, and a step is provided on an inner surface thereof.
  • Ladder-shaped slideway, the floating pawl bears the bearing shoe against the slideway under the action of the spring.
  • the step-shaped slideway is composed of three sections, and three floating claws are respectively provided on the slideway to the center.
  • the outer surface of the bearing tile is engaged with the slideway, and an inner surface is provided with a groove corresponding to the outer contour surface of the opposite end of the floating claw.
  • the end of the floating jaw engaging with the groove on the bearing plate has a boss facing the side 3 ⁇ 4 of the floating jaw.
  • One end of the spring is pressed against the boss, and the other end is supported by the above boss with the floating jaw.
  • the working edge of the floating jaw is provided with a convex 1 3 ⁇ 4 point at which the end of the boss side of the floating "f jaw engages with the groove on the bearing plate.
  • the length of the straight line perpendicular to the working edge of the floating jaw is shorter than the length of the other straight lines from the above point to the working edge of the floating jaw.
  • the shape of the floating jaw is a triangle or a trapezoid, and the boss is located in the triangle and the bearing tile. 1 3 ⁇ 4 together a corner, triangular working edge may be straight, may be curved.
  • the spring is a coil spring or a torsion spring.
  • the driving mechanism includes a ratchet wheel fixed on a screw closure and a pawl fixed on one end of a pressure lever, and an inner hole of one end of the threaded sleeve is prismatic, and the slider can be in the prismatic inner hole
  • the prism body that slides and matches with it, and the other end of the slider is fixedly connected to the die frame.
  • the spring is pressed on the boss of the floating claw by the guide element.
  • a rod is arranged on the fuselage which is flush with the bottom surface of the fuselage and extends in a direction perpendicular to the axis direction of the workpiece to be processed. Two rods are provided. .
  • the self-holding gripper and the die frame are combined into a single version through the fuselage.
  • the self-holding gripper dog locks the tube so that it does not turn.
  • the axially unrestricted sliding pair and a pair of thread pairs (that is, the thread pair formed by combining the external threads of the threaded sleeve with the thread holes on the fuselage or on the slip ring) are connected to the fuselage.
  • the threaded pair of dogs becomes an axial feeder, thereby forming an axial feeding force for the die frame while rotating the die frame.
  • the sliding pair has become a differential mechanism, so that the axial feed mechanism can adapt to threads with different pitches.
  • the cutting torque required for the threading is input by the pressure lever of the twisted wrench on the die frame, and the lever on the fuselage and the pressure lever form a closed system of force.
  • the pipe is passed through the self-locking clamping mechanism until it abuts against the die entrance of the die frame.
  • the self-holding machine is used to fix the pipe, and the thread can be cut by pressing the pressing rod.
  • the interaction between the various parts is: the pipe is held against the fuselage, the pressure rod is pressed, and the die is rotated while forming an axial displacement due to the feed effect generated by the thread pair. Because of the tube
  • the establishment and transmission of the cutting torque are: a pressure rod (twist)-a die frame ⁇ a die-a tube-a rod from the bismuth clamping mechanism-the fuselage-the fuselage.
  • the force of the pressure rod is balanced by the contact force between the fuselage and the fuselage members and the ground, and the transmission of axial force is: fuselage-threaded pair-teeth one tube-self-locking clamping mechanism-fuselage. The transmission of force is closed.
  • the die moves along the pipe with its own pitch due to the guiding effect of the die.
  • the pitch of the die is greater than the pitch of the thread pair, the slide frame is no longer affected by the thread pair due to sliding side effects.
  • the torque of the thread pair must be less than or equal to the capacity. The smallest pitch in a series of spirals.
  • the invention adopts the connection that the thread sleeve is connected with the body thread or the slip ring thread is connected with the body. Therefore, in the work, the screw cylinder is rotated while the pressure frame is driven to rotate the pressure frame. . At this time, due to the effect of the screw connection, the screw sleeve is brought to the workpiece with the die carrier. That is, in the initial stage of the wire, it can generate an axial feed force that the die moves along the axis of the workpiece to be processed :,
  • a slip ring is provided between the threaded sleeve ⁇ and the body, so that the threaded sleeve can slide with the body together with the die.
  • the more restrictive effect of it is that the slider only transmits torque and does not have to slide under a large torque.
  • the torque at the slip ring is much smaller than the torque at the slider, so its sliding action More flexible than sliders. This results in a significant reduction in steering torque.
  • the "self-holding clamping mechanism and the twist wrench are connected into one body through the fuselage, so that it has a compact structure, a small overall size, light weight, and easy to carry, and it is also convenient. No need for power and so on. it point.
  • FIG. 1 is a schematic structural diagram of an embodiment of the present invention.
  • FIG. 2 is a schematic view of the side structure of the present invention.
  • FIG. 3 is a schematic structural diagram of another embodiment of the present invention.
  • 4 and 5 are schematic structural diagrams of a self-locking clamping mechanism.
  • Figures 6 and 7 are structural diagrams of two types of floating claw spring returning machines.
  • Figures 8 and 9 are the working principle diagrams of the two floating claw spring resetting machines.
  • the die frame (3) is installed in the twist wrench, and its connection form is a sliding fit of a polygonal hole and a polygonal prism (it can also be a spline, pin slot, and key horizontal connection). That is, the die frame (3) is fixed on the slide block (17), and the slide block (17) is inserted into the hole matching the slide block (] 7) on the right side of the threaded barrel (5) (in the direction in the figure).
  • the slider (7) is a polygonal prism, and the corresponding hole is a polygonal hole.
  • the driving mechanism that is, the twisted wrench (2)
  • the pair is connected to the fuselage through a pair of threaded pairs.
  • On the right side of the fuselage (1) is a self-locking clamp (4), which is fixedly connected to the fuselage.
  • the bearing plate (9) (i '4, 3 ⁇ 4 5) in the self-clamping mechanism is part of the fuselage.
  • the self-clamping dog (4) fixes the pipe so that its axis is coaxial with the axis of the die paddle (3) and the threaded cylinder (5).
  • the initial working state should be as shown in the figure.
  • the threaded sleeve (5) is on the leftmost side, that is, the twisted wrench (2) is on the leftmost side.
  • the die frame (3) must be on the left side against the twisted wrench (2), of course.
  • the rod (8) shown in the twist wrench (2) 2 is part of the fuselage (1), and its role is to balance the pressure lever (7).
  • the rod (8) can be a round rod, or a frame paddle or the like.
  • the lever (8) is not the only form. It is conceivable that the chassis of the fuselage ( ⁇ ) is appropriately enlarged. It is entirely possible to replace the lever (8) with the chassis and achieve the same effect.
  • rods has obvious points, that is, it can reduce the crusts, especially in terms of weight reduction, which has great benefits.
  • two mutually parallel rod members (8) are used (not shown in the figure). These two members constitute With the two sides of the bearing surface of the manual threading machine according to the present invention, one side of the rod is connected to the fuselage, and the other side is connected to each other.
  • the vertical projection of the downward force for driving the die frame (3) acting on the pressing rod (7) always lies in the bearing surface thus constituted. This will effectively improve the stability of the threading machine at work.
  • the frame structure can be used as a grip part for carrying the threading machine of the present invention.
  • FIG. 3 is another embodiment, which is different from the previous embodiment in that the axial feed mechanism and the differential mechanism are different, wherein the die frame (3) is connected to the slip ring (6) through a one-inch thread pair, and the ring ( 6) Slidingly connect the slide groove (6) on the slip ring (6) with the fuselage and the cobalt (19) on the fuselage (1), so that the slide ring (6) can slide in the slide groove (18) in the axial direction.
  • the thread can be cut into fe.
  • the slip ring (6) slips to form a differential.
  • the connection of the die frame (3) and the screw barrel (5) is still achieved by a polygonal column and a polygonal hole that can slide relatively in one inch.
  • the slip ring (6) is slidable relative to the fuselage (1), when the pitch of the thread to be cut is greater than the pitch of the outer surface of the threaded sleeve (5), sliding occurs first on the slip ring ( 6) and the fuselage (1). This is because the torque between the two is relatively small, and the torque between the polygonal prism and the polygonal hole is very small, so no sliding occurs between the polygonal sliding pairs.
  • the bearing plate (9) is fixedly connected to the fuselage (1) so that it becomes part of the fuselage (1).
  • the above-mentioned stepped slideway is composed of three sections of springs (] 3), so that the floating pawl (12) presses the bearing pad (11) against the slide plate ( 10).
  • One end of the bearing tile (] 1) extends into the slide groove of the bearing plate (9).
  • the force shoe (11) can also be omitted, and the floating pawl (12) is directly pressed on the slide plate (10), but the jaw (12) must have a shaft embedded in the slide groove of the bearing plate (9), so that Transmit torque but no bearing pad, the contact pressure between the floating jaw and the slide is 4 large.
  • the slide of the slide is easy to damage
  • FIGS 6 and 7 show two different forms of the floating jaw reset mechanism.
  • the floating jaw (12) is pressed against the bearing pad (11) by a spring (] 3) and a guide element (] 4).
  • the guide element The function of (14) is to make the floating pawl (12) deflect to form a restoring force.
  • These two types of spring resetting machines make the floating pawl have the ability of radial reset and deflection reset.
  • Figures 8 and S 9 When the floating claw is deflected, the plane pressed by the guiding element (] 4) on the floating claw is inclined, and the pressured plane on the floating claw is relatively deflected relative to the guiding element (14). The direction of the contact element's contact pressure deviates from the rotation center of the floating jaw, and an eccentric moment is generated.
  • the floating jaws have the ability to recover.
  • Fig. 10 shows still another preferred embodiment according to the present invention.
  • This embodiment differs from the embodiment shown in Fig. 3 in that the die frame (3) is fitted with a corresponding polygonal hole in the threaded sleeve (5) through a polygonal cylinder.
  • the position of the slip mechanism is still the same as ⁇ 3, that is, the slip ring (6) is sleeved on the threaded sleeve (5) ⁇ (; the tail part by thread, and the slip ring (6) is opposite to the body
  • the support on (1) is slidable.
  • the protruded 13 ⁇ 4 point of this scab is that it is very convenient to replace the die, that is, this structure allows the replacement of the die ⁇ Only to the axial die holder (3) together with the polygonal prism Just take it out.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Wire Processing (AREA)
  • Forging (AREA)

Abstract

L'invention concerne un dispositif de filetage à commande manuelle constitué d'un porte-filière (3), d'un mécanisme de retenue à autoverrouillage (4) conçu pour serrer un tuyau à fileter, un mécanisme à écrou et vis (16) constituant des mécanismes d'avance axiale pouvant produire une force axiale présentant l'avantage de déclencher le filetage, d'un bloc coulissant (17) formant un mécanisme différentiel qui peut être utilisé pour les différents types de filets des tuyaux, un organe moteur de filetage (2) qui fait tourner le porte-filière (4) de sorte que la filière coupe le filet du tuyau. Le dispositif selon l'invention est plus petit et plus léger: il est facile à utiliser et à transporter et fonctionne sans courant électrique.
PCT/CN1994/000005 1993-01-14 1994-01-14 Dispositif de filetage a commande manuelle Ceased WO1994015744A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU58566/94A AU5856694A (en) 1993-01-14 1994-01-14 Manually-operated threading device

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN93200358.3 1993-01-14
CN93200358U CN2147063Y (zh) 1993-01-14 1993-01-14 手动套丝机

Publications (1)

Publication Number Publication Date
WO1994015744A1 true WO1994015744A1 (fr) 1994-07-21

Family

ID=4994034

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN1994/000005 Ceased WO1994015744A1 (fr) 1993-01-14 1994-01-14 Dispositif de filetage a commande manuelle

Country Status (3)

Country Link
CN (1) CN2147063Y (fr)
AU (1) AU5856694A (fr)
WO (1) WO1994015744A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106001791A (zh) * 2016-05-26 2016-10-12 四川川油天然气科技股份有限公司 一种螺纹切削加工装置及采用该装置切削加工螺纹的方法
CN116833489A (zh) * 2023-07-13 2023-10-03 中建三局安装工程有限公司 一种全自动套丝机及其系统、加工方法
CN117226190A (zh) * 2023-10-08 2023-12-15 大连长丰实业总公司 一种螺栓螺纹处保险丝孔加工毛刺去除装置

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2147063Y (zh) * 1993-01-14 1993-11-24 陈明德 手动套丝机
CN106513875B (zh) * 2017-01-12 2019-01-22 兰州理工大学 可调钢筋直径手动板牙架及使用方法
CN116140721B (zh) * 2023-03-01 2024-01-26 杭州杭刃工具有限公司 一种外螺纹加工装置

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1351347A (en) * 1918-12-06 1920-08-31 Russell Charles Lyon Drill-chuck
US4021133A (en) * 1975-04-16 1977-05-03 Ex-Cell-O Corporation Tap driver apparatus
US4349931A (en) * 1980-05-27 1982-09-21 Leon Harry I Threading die couple
CN2066780U (zh) * 1989-11-23 1990-12-05 武汉钢铁公司 组合式自动走刀的攻套丝装置
CN2147063Y (zh) * 1993-01-14 1993-11-24 陈明德 手动套丝机

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1351347A (en) * 1918-12-06 1920-08-31 Russell Charles Lyon Drill-chuck
US4021133A (en) * 1975-04-16 1977-05-03 Ex-Cell-O Corporation Tap driver apparatus
US4349931A (en) * 1980-05-27 1982-09-21 Leon Harry I Threading die couple
CN2066780U (zh) * 1989-11-23 1990-12-05 武汉钢铁公司 组合式自动走刀的攻套丝装置
CN2147063Y (zh) * 1993-01-14 1993-11-24 陈明德 手动套丝机

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106001791A (zh) * 2016-05-26 2016-10-12 四川川油天然气科技股份有限公司 一种螺纹切削加工装置及采用该装置切削加工螺纹的方法
CN116833489A (zh) * 2023-07-13 2023-10-03 中建三局安装工程有限公司 一种全自动套丝机及其系统、加工方法
CN117226190A (zh) * 2023-10-08 2023-12-15 大连长丰实业总公司 一种螺栓螺纹处保险丝孔加工毛刺去除装置

Also Published As

Publication number Publication date
AU5856694A (en) 1994-08-15
CN2147063Y (zh) 1993-11-24

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