CN105171331A - Method for replacing metal internal thread sleeve of plastic pipe joint in wall body - Google Patents
Method for replacing metal internal thread sleeve of plastic pipe joint in wall body Download PDFInfo
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- CN105171331A CN105171331A CN201510723695.0A CN201510723695A CN105171331A CN 105171331 A CN105171331 A CN 105171331A CN 201510723695 A CN201510723695 A CN 201510723695A CN 105171331 A CN105171331 A CN 105171331A
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- joint
- plastic tube
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- tapping
- sleeve
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- 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
- B23P6/00—Restoring or reconditioning objects
Abstract
A method for replacing a metal internal thread sleeve of a plastic pipe joint in a wall body comprises the following steps of (1) firstly screwing into the metal internal thread sleeve through an electric heating extractor, starting the power supply of the electric heating extractor for heating, and when a preset temperature is reached, taking out the damaged metal internal thread sleeve; (2) performing tapping on the plastic pipe joint by means of a manual tapping device; and (3) winding a raw material tape along the thread outer rim of a new metal internal thread sleeve in a thread direction, and then connecting the new metal internal thread sleeve after winding of the raw material tape with the plastic pipe joint in threaded connection, thereby finishing replacement of the metal internal thread sleeve. The electric heating extractor in the step (1) comprises a handle, a rotating rod and a heat-conductive lead screw. The heat-conductive lead screw is obtained through integrally forming a clamping handle and a thread head. An outside thread is arranged in the circumferential direction of the thread head. The method of the invention has advantages of high practicability, high efficiency and high tapping quality. Furthermore the method can be used for quickly and conveniently replacing the metal internal thread sleeve in the plastic pipe joint.
Description
Technical field
The invention belongs to hot-water heating mounting technique field, to particularly relate in a kind of body of wall silk braid replacing options in joint for plastic tube metal.
Background technology
In existing body of wall, in use we often see so a kind of phenomenon to the joint for plastic tube such as PPR/PE, in metal in the joint for plastic tubes such as PPR/PE, silk braid adopts hot-melt technology to be fixed in joint for plastic tube usually, in installation process, due to firmly excessive or second-rate cause, silk braid fracture in metal is there will be in joint for plastic tube, also have joint for plastic tube because of service time longer, in metal there is gap thus leak in silk braid and plastic pipe inner wall, encounter this situation, solution normally cracks metope, again change joint for plastic tube and complete maintenance work, this mode not only takes time and effort, and cost is large, also be destroy to building, be unfavorable for that environment is neat and artistic, how conveniently to change silk braid in the metal in joint for plastic tube, it is the technical problem needing solution at present badly.
Summary of the invention
The present invention, in order to solve weak point of the prior art, provides a kind of and changes conveniently, silk braid replacing options in joint for plastic tube metal in body of wall that efficiency is high, practical.
For solving the problems of the technologies described above, the present invention adopts following technical scheme: silk braid replacing options in joint for plastic tube metal in body of wall, comprises the following steps:
(1) first, in the metal using electric heating extractor to be screwed into have damaged in silk braid, start the power supply of electric heating extractor, the joint for plastic tube of silk braid outside in metal is heated, when reaching design temperature, joint for plastic tube heat expands, and in metal, silk braid is separated with joint for plastic tube, firmly pull out electric heating extractor, silk braid in the metal that damaged can be taken out;
(2), after joint for plastic tube is cooled to normal temperature, Manual tapping device is used to carry out tapping to joint for plastic tube endoporus;
(3) along silk braid in new metal external screw thread and be wound around raw material band along hand of spiral, then silk braid in the new metal being wound with raw material band is threaded with joint for plastic tube, so far completes silk braid replacing in metal.
Electric heating extractor described in step (1), comprise handle, bull stick and heat conduction screw mandrel, heat conduction screw mandrel by grip shank and thread head one-body molded, thread head is circumferentially with external screw thread, one end of bull stick is connected with vertical in the middle part of handle, the other end of bull stick is connected with the grip shank of heat conduction screw mandrel, bull stick top is provided with wire guide, bull stick vertically arranges and is arranged with sleeve outside bull stick, sleeve comprises upper bush and lower sleeve, upper bush bottom is fixedly connected with the top of lower sleeve, and upper bush external form is cylindrical, upper bush and bull stick matched in clearance; Lower sleeve external form is up-small and down-big cone, the middle part sidewall of lower sleeve offers rectangle engraved structure, lower sleeve lower end is provided with sucker, sucker is vertical with bull stick, bull stick lower end is provided with heat conduction screw rod fixing mechanism, and heat conduction screw rod fixing mechanism bottom centre is provided with the clamping hole for fixing heat conductive filament's bar grip shank; Described heat conduction screw rod fixing mechanism comprises two identical panes and set bolt, pane is provided with fixing hole, be provided with screw thread in fixing hole, set bolt by making two pane compact siro spinning technology with the threaded engagement of fixing hole, one of them pane and bull stick one-body molded; Heat conduction screw mandrel inside is provided with heating core, and heating core connects wire, and wire passes from wire guide along bull stick inside and is connected with power supply;
The specific works process of being taken out silk braid in the metal damaged by electric heating extractor is: first the grip shank of heat conduction screw mandrel be inserted in the clamping hole of heat conduction screw rod fixing mechanism, tighten two pane compact siro spinning technology that set bolt makes heat conduction screw rod fixing mechanism, now heat conduction screw mandrel is fixed on bull stick lower end, then the center of heat conduction screw mandrel is aimed at the center of joint for plastic tube, then by the body of wall of the sucker suction of setting of casing lower end near joint for plastic tube, turning handle, heat conduction screw mandrel external screw thread is connected with the metal internal thread external threading of joint for plastic tube inside, then power supply is started, the heating core of wire one end heats heat conduction screw mandrel, after reaching uniform temperature, powered-down, heat conduction screw mandrel is by silk braid heat conduction in metal, in joint for plastic tube and metal, silk braid heat expands, in joint for plastic tube and metal, the dilation of silk braid is different, gap is had between silk braid and joint for plastic tube in metal, then sucker is taken off, outwards slowly pull handle, silk braid in the metal that can take out joint for plastic tube inside.
Manual tapping device described in step (2), comprise handle, rotating shaft and screw tap, screw tap comprises handle of a knife and tapping-head, one end of rotating shaft is connected with vertical in the middle part of handle, and the other end of rotating shaft is connected with the handle of a knife of screw tap, and rotating shaft vertically arranges and is arranged with sleeve outside rotating shaft, sleeve comprises the first sleeve and the second sleeve, first sleeve bottom end is fixedly connected with the top of the second sleeve, and the first sleeve external form is cylindrical, the first sleeve and rotating shaft matched in clearance, second sleeve external form is up-small and down-big cone, the middle part sidewall of the second sleeve offers observation panel, the lower surface of the second sleeve and the central axis of rotating shaft, rotating shaft lower end is provided with screw tap fixed mechanism, and screw tap fixed mechanism bottom centre is provided with four square holes for fixing screw tap handle of a knife, described screw tap fixed mechanism comprises two semicolumns and clamping screw that diametrically cut, semicolumn sidewall is all diametrically provided with screwed hole, clamping screw by making two semicolumn compact siro spinning technology with the threaded engagement of screwed hole, one of them semicolumn and rotating shaft one-body molded, axially elongated hole is offered in handle of a knife, on handle of a knife, circumference evenly offers four branched holes, one end of branched hole is communicated with elongated hole, the other end of branched hole is positioned at the junction of handle of a knife and tapping-head, at least two jacks are provided with bottom handle of a knife, place of handle of a knife bottom centre axially offers blind hole, internal thread is provided with in blind hole, handle of a knife circumference is evenly provided with the first chip area axially arranged, tapping-head is circumferentially with thread, tapping-head circumference is evenly provided with the second chip area that the axis of docking with the first chip area is arranged, tapping-head top is provided with the latch corresponding with jack, tapping-head centrally bobbin to offering the through hole with step, step is positioned at the bottom of tapping-head, hold-down bolt is inserted with from bottom to top in through hole, the head of hold-down bolt and step press fit, to extend into bottom hold-down bolt in blind hole and to be connected with blind threaded, handle of a knife is that high-speed steel is made, and tapping-head is that carbide alloy is made,
Manually chasing bar to the specific works process that joint for plastic tube carries out tapping is: when not carrying out tapping operation, first the tapping-head of size corresponding to joint for plastic tube is selected, then the latch at tapping-head top correspondence is inserted in the jack bottom handle of a knife, then be connected with blind threaded after hold-down bolt being inserted into through hole from bottom to top, after completing above docking, appropriate cooling-lubricant is injected in elongated hole, cooling-lubricant flows in branched hole along elongated hole, then flows to tapping-head outer surface by branched hole; Then the handle of a knife of screw tap is inserted in four square holes of rotating shaft lower end, tighten two semicolumn compact siro spinning technology that clamping screw makes screw tap fixed mechanism, now screw tap is fixed on rotating shaft lower end, tapping-head aims at joint for plastic tube center, workpiece is close in the bottom of lower sleeve, ensures rotating shaft and wall body vertical, then rotates handle, drive axis of rotation, internal thread machining can be carried out to joint for plastic tube.
The present invention has following beneficial effect, and the structure that electric heating extractor and Manual tapping device are taked is substantially identical, but the beneficial effect played is different;
Electric heating extractor is adopted to have following beneficial effect:
(1) sidewall of lower sleeve is provided with rectangle engraved structure, can the situation that enter of clear view heat conduction screw mandrel, the heat conduction screw mandrel whether situation such as curving, can also handled easily personnel take;
(2) heat conduction screw rod fixing mechanism comprises two identical panes and set bolt, and pane is provided with fixing hole, is provided with screw thread in fixing hole, and set bolt is by the threaded engagement with fixing hole thus fix the grip shank of heat conduction screw mandrel;
(3) setting of casing lower end is provided with sucker, and sucker is for fixing electric heating extractor at wall;
(4) heating core heating heat conduction screw mandrel, transmit heat on joint for plastic tube by silk braid in metal, because joint for plastic tube adopts the method for thermal welding to be connected with silk braid in metal, then in joint for plastic tube and metal, silk braid heat expands, in joint for plastic tube and metal, the dilation of silk braid is different, have gap between silk braid and joint for plastic tube in metal, then in metal, silk braid is separated with joint for plastic tube;
Manual tapping device is adopted to have following beneficial effect:
(1) handle of a knife that high-speed steel is made has good pliability, the moment great torque produced when can bear Manual tapping device revolution, thus can not fracture, good operating stability, the tapping-head tool that carbide alloy is made has good wearability, service life is three times of high speed steel screw tap, effectively saved cost, and structural strength is good, cutting speed is more than the twice of high speed steel screw tap, process time is short, improves working (machining) efficiency; And handle of a knife and tapping-head are split type connection, easy to assembly, handle of a knife is applicable to the tapping-head of different model;
(2) before carrying out tapping operation, appropriate cooling-lubricant is injected in elongated hole, cooling-lubricant flows in branched hole along elongated hole, the outer surface of tapping-head is flowed to again by branched hole, the heat of tapping-head generation when carrying out cutting operation, cooling-lubricant is used for reducing the temperature of upper tapping-head and lower tapping-head, thus prevents too high temperature to the infringement of thread, ensure that the intensity of tapping-head, cooling-lubricant can make cutting thread surface out smooth equally simultaneously;
(3) with the vertical of bull stick, Manual tapping device ensure that screw tap is vertical with operation planar by setting of casing, by the setting of screw tap fixed mechanism, go for dissimilar screw tap, simultaneously Manual tapping device not only easy to use, the operation easier that reduces operating personnel, fully can ensure that the perpendicularity of screw tap, substantially increase operating efficiency, and tapping uniform force, crooked and the random tooth of screw thread can not be caused, the accident that screw tap fractures also not easily occurs, adds the service life of screw tap;
The sidewall of (4) second sleeves is provided with observation panel, can the situation that enter of clear view screw tap, screw tap whether curving and screw tap the situation such as whether to fracture, can also handled easily personnel take;
(5) one of them semicolumn of screw tap fixed mechanism and bull stick one-body molded, two semicolumns are equipped with two screwed holes, two screwed holes are parallel to each other and perpendicular to the combinatorial surface of two semicolumns, and clamping screw is fixed the handle of a knife of screw tap two semicolumns clampings by screwed hole;
In addition, in new metal silk braid outer rim threadingly direction be wound around raw material band, can filled plastics pipe joint is connected with new metal internal thread external threading between gap, prevent seep water.
In sum, the present invention is practical, efficiency is high, Tapping Quality is good, and can change silk braid in the metal in joint for plastic tube quickly and easily.
Accompanying drawing explanation
Fig. 1 is the structural representation of electric heating extractor in the present invention;
Fig. 2 is the A direction view of Fig. 1;
Fig. 3 is the B direction view of heat conduction screw rod fixing mechanism in Fig. 1;
Fig. 4 is the structural representation of Manual tapping device in the present invention;
Fig. 5 is the C direction view of Fig. 4;
Fig. 6 is the D direction view of the screw tap fixed mechanism in Fig. 4.
Detailed description of the invention
As shown in figs 1 to 6, silk braid replacing options in joint for plastic tube metal in body of wall of the present invention, comprises the following steps:
(1) first, in the metal using electric heating extractor to be screwed into have damaged in silk braid, start the power supply of electric heating extractor, the joint for plastic tube of silk braid outside in metal is heated, when reaching design temperature, joint for plastic tube heat expands, and in metal, silk braid is separated with joint for plastic tube, firmly pull out electric heating extractor, silk braid in the metal that damaged can be taken out;
(2), after joint for plastic tube is cooled to normal temperature, Manual tapping device is used to carry out tapping to joint for plastic tube endoporus;
(3) along silk braid in new metal external screw thread and be wound around raw material band along hand of spiral, then silk braid in the new metal being wound with raw material band is threaded with joint for plastic tube, so far completes silk braid replacing in metal.
Electric heating extractor described in step (1), comprise handle 1, bull stick 2 and heat conduction screw mandrel, heat conduction screw mandrel by grip shank 4 and thread head 5 one-body molded, thread head 5 is circumferentially with external screw thread, one end of bull stick 2 is connected with vertical in the middle part of handle 1, the other end of bull stick 2 is connected with the grip shank 4 of heat conduction screw mandrel, bull stick 2 top is provided with wire guide 6, bull stick 2 vertically arranges and is arranged with sleeve outside bull stick 2, sleeve comprises upper bush 7 and lower sleeve 8, upper bush 7 bottom is fixedly connected with the top of lower sleeve 8, and upper bush 7 external form is cylindrical, upper bush 7 and bull stick 2 matched in clearance; Lower sleeve 8 external form is up-small and down-big cone, the middle part sidewall of lower sleeve 8 offers rectangle engraved structure 9, lower sleeve 8 lower end is provided with sucker 10, sucker 10 is vertical with bull stick 2, bull stick 2 lower end is provided with heat conduction screw rod fixing mechanism, and heat conduction screw rod fixing mechanism bottom centre is provided with the clamping hole 11 for fixing heat conductive filament's bar grip shank 4; Described heat conduction screw rod fixing mechanism comprises two identical panes 12 and set bolt 13, pane 12 is provided with fixing hole 14, screw thread is provided with in fixing hole 14, set bolt 13 is by making two pane 12 compact siro spinning technology with the threaded engagement of fixing hole 14, and one of them pane 12 is one-body molded with bull stick 2; Heat conduction screw mandrel inside is provided with heating core 15, and heating core 15 is connected with wire 16, and wire 16 passes from wire guide 6 along bull stick 2 inside and is connected with power supply;
The specific works process of being taken out silk braid in the metal damaged by electric heating extractor is: be first inserted in the clamping hole 11 of heat conduction screw rod fixing mechanism by the grip shank 4 of heat conduction screw mandrel, tighten two pane 12 compact siro spinning technology that set bolt 13 makes heat conduction screw rod fixing mechanism, now heat conduction screw mandrel is fixed on bull stick 2 lower end, then the center of heat conduction screw mandrel is aimed at the center of joint for plastic tube, then the sucker 10 of setting of casing lower end is adsorbed on the body of wall near joint for plastic tube, turning handle 1, heat conduction screw mandrel external screw thread is connected with the metal internal thread external threading of joint for plastic tube inside, then power supply is started, heating core 15 pairs of heat conduction screw mandrel heating of wire 16 one end, after reaching uniform temperature, powered-down, heat conduction screw mandrel is by silk braid heat conduction in metal, in joint for plastic tube and metal, silk braid heat expands, but due to the intrinsic propesties of plastics and metal, in joint for plastic tube and metal, the dilation of silk braid is different, gap is had between silk braid and joint for plastic tube in metal, then sucker 10 is taken off, outwards slowly pull handle 1, silk braid in the metal that can take out joint for plastic tube inside.
Manual tapping device described in step (2), comprise handle 17, rotating shaft 18 and screw tap, screw tap comprises handle of a knife 20 and tapping-head 21, one end of rotating shaft 18 is connected with vertical in the middle part of handle 17, the other end of rotating shaft 18 is connected with the handle of a knife 20 of screw tap, rotating shaft 18 vertically arranges and is arranged with sleeve outside rotating shaft 18, sleeve comprises the first sleeve 22 and the second sleeve 23, first sleeve 22 bottom is fixedly connected with the top of the second sleeve 23, first sleeve 22 external form is cylindrical, the first sleeve 22 and rotating shaft 18 matched in clearance, second sleeve 23 external form is up-small and down-big cone, the middle part sidewall of the second sleeve 23 offers observation panel 24, the lower surface of the second sleeve 23 and the central axis of rotating shaft 18, rotating shaft 18 lower end is provided with screw tap fixed mechanism, and screw tap fixed mechanism bottom centre is provided with four square holes 25 for fixing screw tap handle of a knife 20, described screw tap fixed mechanism comprises two semicolumns 26 and clamping screw 27 that diametrically cut, semicolumn 26 sidewall is all diametrically provided with screwed hole 28, clamping screw 27 is by making two semicolumn 26 compact siro spinning technology with the threaded engagement of screwed hole 28, and one of them semicolumn 26 is one-body molded with rotating shaft 18, axially elongated hole 38 is offered in handle of a knife 20, on handle of a knife 20, circumference evenly offers four branched holes 29, one end of branched hole 29 is communicated with elongated hole 38, the other end of branched hole 29 is positioned at the junction of handle of a knife 20 and tapping-head 21, at least two jacks 30 are provided with bottom handle of a knife 20, place of handle of a knife 20 bottom centre axially offers blind hole 31, internal thread is provided with in blind hole 31, handle of a knife 20 circumference is evenly provided with the first chip area 32 axially arranged, tapping-head 21 is circumferentially with thread, tapping-head 21 circumference is evenly provided with the second chip area 33 that the axis of docking with the first chip area 32 is arranged, tapping-head 21 top is provided with the latch 34 corresponding with jack 30, tapping-head 21 centrally bobbin to offering the through hole 36 with step 35, step 35 is positioned at the bottom of tapping-head 21, hold-down bolt 37 is inserted with from bottom to top in through hole 36, the head of hold-down bolt 37 and step 35 press fit, to extend into bottom hold-down bolt 37 in blind hole 31 and to be threaded with blind hole 31, handle of a knife 20 is made for high-speed steel, and tapping-head 21 is made for carbide alloy,
Manually chasing bar to the specific works process that joint for plastic tube carries out tapping is: when not carrying out tapping operation, first the tapping-head 21 of size corresponding to joint for plastic tube is selected, then latch 34 correspondence at tapping-head 21 top is inserted in the jack 30 bottom handle of a knife 20, then be threaded with blind hole 31 after hold-down bolt 37 being inserted into through hole 36 from bottom to top, after completing above docking, appropriate cooling-lubricant is injected in elongated hole 38, cooling-lubricant flows in branched hole 29 along elongated hole 38, then flows to tapping-head 21 outer surface by branched hole 29; Then the handle of a knife 20 of screw tap is inserted in four square holes 25 of rotating shaft 18 lower end, tighten two semicolumn 26 compact siro spinning technology that clamping screw 27 makes screw tap fixed mechanism, now screw tap is fixed on rotating shaft 18 lower end, tapping-head 21 aims at joint for plastic tube center, workpiece is close in the bottom of lower sleeve 8, ensures rotating shaft 18 and wall body vertical, then rotates handle 17, drive rotating shaft 18 to rotate, internal thread machining can be carried out to joint for plastic tube.
The present embodiment not does any pro forma restriction to shape of the present invention, material, structure etc.; every above embodiment is done according to technical spirit of the present invention any simple modification, equivalent variations and modification, all belong to the protection domain of technical solution of the present invention.
Claims (3)
1. silk braid replacing options in joint for plastic tube metal in body of wall, is characterized in that: comprise the following steps:
(1) first, in the metal using electric heating extractor to be screwed into have damaged in silk braid, start the power supply of electric heating extractor, the joint for plastic tube of silk braid outside in metal is heated, when reaching design temperature, joint for plastic tube heat expands, and in metal, silk braid is separated with joint for plastic tube, firmly pull out electric heating extractor, silk braid in the metal that damaged can be taken out;
(2), after joint for plastic tube is cooled to normal temperature, Manual tapping device is used to carry out tapping to joint for plastic tube endoporus;
(3) along silk braid in new metal external screw thread and be wound around raw material band along hand of spiral, then silk braid in the new metal being wound with raw material band is threaded with joint for plastic tube, so far completes silk braid replacing in metal.
2. silk braid replacing options in joint for plastic tube metal in body of wall according to claim 1, it is characterized in that: the electric heating extractor described in step (1), comprise handle, bull stick and heat conduction screw mandrel, heat conduction screw mandrel by grip shank and thread head one-body molded, thread head is circumferentially with external screw thread, one end of bull stick is connected with vertical in the middle part of handle, the other end of bull stick is connected with the grip shank of heat conduction screw mandrel, bull stick top is provided with wire guide, bull stick vertically arranges and is arranged with sleeve outside bull stick, sleeve comprises upper bush and lower sleeve, upper bush bottom is fixedly connected with the top of lower sleeve, upper bush external form is cylindrical, upper bush and bull stick matched in clearance, lower sleeve external form is up-small and down-big cone, the middle part sidewall of lower sleeve offers rectangle engraved structure, lower sleeve lower end is provided with sucker, sucker is vertical with bull stick, bull stick lower end is provided with heat conduction screw rod fixing mechanism, and heat conduction screw rod fixing mechanism bottom centre is provided with the clamping hole for fixing heat conductive filament's bar grip shank, described heat conduction screw rod fixing mechanism comprises two identical panes and set bolt, pane is provided with fixing hole, be provided with screw thread in fixing hole, set bolt by making two pane compact siro spinning technology with the threaded engagement of fixing hole, one of them pane and bull stick one-body molded, heat conduction screw mandrel inside is provided with heating core, and heating core is connected with wire, and wire passes from wire guide along bull stick inside and is connected with power supply,
The specific works process of being taken out silk braid in the metal damaged by electric heating extractor is: first the grip shank of heat conduction screw mandrel be inserted in the clamping hole of heat conduction screw rod fixing mechanism, tighten two pane compact siro spinning technology that set bolt makes heat conduction screw rod fixing mechanism, now heat conduction screw mandrel is fixed on bull stick lower end, then the center of heat conduction screw mandrel is aimed at the center of joint for plastic tube, then by the body of wall of the sucker suction of setting of casing lower end near joint for plastic tube, turning handle, heat conduction screw mandrel external screw thread is connected with the metal internal thread external threading of joint for plastic tube inside, then power supply is started, the heating core of wire one end heats heat conduction screw mandrel, after reaching uniform temperature, powered-down, heat conduction screw mandrel is by silk braid heat conduction in metal, in joint for plastic tube and metal, silk braid heat expands, in joint for plastic tube and metal, the dilation of silk braid is different, gap is had between silk braid and joint for plastic tube in metal, then sucker is taken off, outwards slowly pull handle, silk braid in the metal that can take out joint for plastic tube inside.
3. silk braid replacing options in joint for plastic tube metal in body of wall according to claim 1, it is characterized in that: the Manual tapping device described in step (2), comprise handle, rotating shaft and screw tap, screw tap comprises handle of a knife and tapping-head, one end of rotating shaft is connected with vertical in the middle part of handle, the other end of rotating shaft is connected with the handle of a knife of screw tap, rotating shaft vertically arranges and is arranged with sleeve outside rotating shaft, sleeve comprises the first sleeve and the second sleeve, first sleeve bottom end is fixedly connected with the top of the second sleeve, first sleeve external form is cylindrical, the first sleeve and rotating shaft matched in clearance, second sleeve external form is up-small and down-big cone, the middle part sidewall of the second sleeve offers observation panel, the lower surface of the second sleeve and the central axis of rotating shaft, rotating shaft lower end is provided with screw tap fixed mechanism, and screw tap fixed mechanism bottom centre is provided with four square holes for fixing screw tap handle of a knife, described screw tap fixed mechanism comprises two semicolumns and clamping screw that diametrically cut, semicolumn sidewall is all diametrically provided with screwed hole, clamping screw by making two semicolumn compact siro spinning technology with the threaded engagement of screwed hole, one of them semicolumn and rotating shaft one-body molded, axially elongated hole is offered in handle of a knife, on handle of a knife, circumference evenly offers four branched holes, one end of branched hole is communicated with elongated hole, the other end of branched hole is positioned at the junction of handle of a knife and tapping-head, at least two jacks are provided with bottom handle of a knife, place of handle of a knife bottom centre axially offers blind hole, internal thread is provided with in blind hole, handle of a knife circumference is evenly provided with the first chip area axially arranged, tapping-head is circumferentially with thread, tapping-head circumference is evenly provided with the second chip area that the axis of docking with the first chip area is arranged, tapping-head top is provided with the latch corresponding with jack, tapping-head centrally bobbin to offering the through hole with step, step is positioned at the bottom of tapping-head, hold-down bolt is inserted with from bottom to top in through hole, the head of hold-down bolt and step press fit, to extend into bottom hold-down bolt in blind hole and to be connected with blind threaded, handle of a knife is that high-speed steel is made, and tapping-head is that carbide alloy is made,
Manually chasing bar to the specific works process that joint for plastic tube carries out tapping is: when not carrying out tapping operation, first the tapping-head of size corresponding to joint for plastic tube is selected, then the latch at tapping-head top correspondence is inserted in the jack bottom handle of a knife, then be connected with blind threaded after hold-down bolt being inserted into through hole from bottom to top, after completing above docking, appropriate cooling-lubricant is injected in elongated hole, cooling-lubricant flows in branched hole along elongated hole, then flows to tapping-head outer surface by branched hole; Then the handle of a knife of screw tap is inserted in four square holes of rotating shaft lower end, tighten two semicolumn compact siro spinning technology that clamping screw makes screw tap fixed mechanism, now screw tap is fixed on rotating shaft lower end, tapping-head aims at joint for plastic tube center, workpiece is close in the bottom of lower sleeve, ensures rotating shaft and wall body vertical, then rotates handle, drive axis of rotation, internal thread machining can be carried out to joint for plastic tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510723695.0A CN105171331B (en) | 2015-11-01 | 2015-11-01 | Silk braid replacing options in joint for plastic tube metal in wall |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510723695.0A CN105171331B (en) | 2015-11-01 | 2015-11-01 | Silk braid replacing options in joint for plastic tube metal in wall |
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| CN105171331A true CN105171331A (en) | 2015-12-23 |
| CN105171331B CN105171331B (en) | 2017-06-30 |
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| CN106272195A (en) * | 2016-08-31 | 2017-01-04 | 太原科技大学 | A kind of tap wrench preventing screw tap from fractureing |
| CN107900605A (en) * | 2017-11-02 | 2018-04-13 | 江苏华淼电子科技有限公司 | A kind of water conservancy metal connecting pipe fitting internal thread prosthetic device |
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| US20090211094A1 (en) * | 2008-02-26 | 2009-08-27 | Roger Adelman | Method and apparatus for installing nitinol plug |
| CN102189619A (en) * | 2010-12-01 | 2011-09-21 | 安源管道实业有限公司 | Steel plastic separation method and separation device for steel frame plastic composite pipeline |
| CN103447752A (en) * | 2013-08-24 | 2013-12-18 | 国网安徽天长市供电有限责任公司 | Device for disassembling screw from metal plate |
| CN204382215U (en) * | 2014-12-19 | 2015-06-10 | 福建省农业科学院畜牧兽医研究所 | The screw thread tube swelling that breaks revolves and gets device |
| CN204711973U (en) * | 2015-04-16 | 2015-10-21 | 江西中烟工业有限责任公司 | The outer silk cleaning plant of a kind of fracture pipe |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105619315A (en) * | 2016-02-15 | 2016-06-01 | 于广平 | Fuser unit die head and method for maintaining metal threads of hot melting pipe |
| CN106272195A (en) * | 2016-08-31 | 2017-01-04 | 太原科技大学 | A kind of tap wrench preventing screw tap from fractureing |
| CN107900605A (en) * | 2017-11-02 | 2018-04-13 | 江苏华淼电子科技有限公司 | A kind of water conservancy metal connecting pipe fitting internal thread prosthetic device |
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| CN105171331B (en) | 2017-06-30 |
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