CN105537847A - Thread combing device for large-caliber internal threads - Google Patents
Thread combing device for large-caliber internal threads Download PDFInfo
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- CN105537847A CN105537847A CN201510949585.6A CN201510949585A CN105537847A CN 105537847 A CN105537847 A CN 105537847A CN 201510949585 A CN201510949585 A CN 201510949585A CN 105537847 A CN105537847 A CN 105537847A
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- assembly
- combing
- screw thread
- blade
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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
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Abstract
The invention discloses a thread combing device for large-caliber internal threads. The thread combing device comprises guide assemblies, a pulley assembly, a gravity compensation assembly, a first combing assembly and a second combing assembly. The first combing assembly comprises a transverse plate and a barrel, and a torque wrench mounting connector is formed in the barrel. The second combing assembly comprises a tool rest, a push rod, a taper sleeve and blades. The push rod is screwed so that the taper sleeve can move along the center axis of the push rod, the blades are pushed by the taper sleeve to be pushed out of the tool rest relative to the tool rest, or the blades are pulled to be tightened towards the interior of the tool rest relative to the tool rest. The torque wrench mounting connector is screwed, so that the first combing assembly and the second combing assembly are in linkage to rotate, and the blades do center spiral motion and comb threads of threaded holes. The thread combing device for the large-caliber internal threads can adapt to and comb the large-caliber internal threads in different sizes; and the tool contraction and expansion structure is reasonable, rigidity is large, stability in the combing process is kept, and the repair quality is improved.
Description
Technical field
The present invention relates to field of machining, particularly relate to one and can be applicable to the heavy caliber internal thread screw thread carding apparatus such as nuclear plant pressure vessels bolt hole.
Background technology
Large-sized flange container, in construction, installation or maintenance repair process, all needs to carry out bolt disassembly work.In the process of bolt disassembly, because of various possible situation, may there is the situation that screw thread damages in bolt hole.
Because the diameter of screw is comparatively large, not have to have as the little screw of maintenance standard can screw tap screw is placed under repair.For the damage occurred and flaw, on-the-spot artificial use instrument is needed to carry out the removal of necessary combing, deburring, metal crimping and microspike defect to bolt hole, guarantee that the screw thread in each bolt hole is in good condition, ensure smooth back-out and the screw-in of bolt.
Existing heavy caliber internal thread screw thread carding apparatus requires high to the technical merit of workman, and product quality is wayward, and easily new damage is caused in double thread hole.Also there is following technical problem in it, and 1, the screw of different size need use the instrument of different-diameter to carry out adaptation and repair, cannot realize in the looking for of screw; 2, vibrational power flow is unreasonable, easily causes secondary damage to other normal screw threads during combing; 3, structure is loaded down with trivial details, and operating process is complicated, easily causes maloperation.
Summary of the invention
Technical problem to be solved by this invention is, provides a kind of heavy caliber internal thread screw thread carding apparatus, can the heavy caliber internal thread of adaptive and combing different size; Receive that swollen knife structure is reasonable, rigidity is large, keep the stability of carding process, improve repairing quality; Be easy to operation, Carding Accuracy is high, safe and reliable.
In order to solve the problems of the technologies described above, The embodiment provides a kind of heavy caliber internal thread screw thread carding apparatus, comprising: in order to carry out the guidance set leading and locate; Be arranged on the pulley assembly on guidance set, pulley assembly comprises the substrate be fastened on guidance set and the assembly pulley be arranged on substrate; Be connected to the gravity compensation assembly of assembly pulley one end; First combing assembly; And the second combing assembly be connected on the first combing assembly, wherein: the first combing assembly comprises: carry out the transverse slat led and the cylindrical shell be fastened on transverse slat by guidance set, transverse slat is connected to the other end of assembly pulley, and cylindrical shell is provided with torque spanner mounting interface; Second combing assembly comprises: be fastened on the knife rest on cylindrical shell, be arranged in knife rest and be connected to push rod on torque spanner mounting interface, be arranged on knife rest inside and the tapered sleeve be connected with push rod and the inside that is arranged on knife rest and the blade be connected with tapered sleeve; Wherein: screw push rod and tapered sleeve is moved along its central shaft, tapered sleeve promotes blade phase cutter setting frame to its outside release, or pulls blade phase cutter setting frame to tighten up to its inside; By screwing torque spanner mounting interface, the first combing assembly link second combing assembly rotate, with make blade do center convolution motion and combing is carried out to the screw thread of screw.
Wherein, blade is set to multiple, and circumferentially formula is arranged; The side of blade is provided with escape.
Wherein, gravity compensation assembly comprises: body, be connected to the hanger on body and can be added on body or can by multiple weight stacks that body takes off, and weight stack is with thinking that cutter hub provides axially extra cutting force up or down in carding process.
Wherein, guidance set is one group of guide post, guide post comprise in order to treat disk that carding equipment carries out assembling and be fastened on the cylinder on disk, disk is socketed with rubber ring.
Wherein, substrate is fastened on cylinder, and assembly pulley is fixed pulley.
Wherein, assembly pulley has rope body, and transverse slat is provided with triangular beam, rope body one end be fastened on triangular beam, and successively through fixed pulley and lock be connected on gravity compensation assembly.
Wherein, the opposite end of transverse slat is respectively equipped with the sliding sleeve connecting guide post in order to adaptation, and sliding sleeve is annulus or semi-annular shape.
Wherein, knife rest comprises: in order to the carriage saddle of accommodating tapered sleeve and blades with in order to hold with cylindrical shell, being connected goes forward side by side locks spacing limited post relatively, limited post extends from one end of carriage saddle.
Wherein, knife rest also comprises: base plate, and base plate is assemblied in the side of carriage saddle, by spacing for the tapered sleeve inside at carriage saddle.
Wherein, push rod one end is connected on torque spanner mounting interface, and successively through cylindrical shell, limited post and carriage saddle, the other end of push rod is connected on tapered sleeve.
Heavy caliber internal thread screw thread carding apparatus provided by the present invention, has following beneficial effect:
The first, screwing push rod makes tapered sleeve move along its central shaft, and tapered sleeve promotes blade phase cutter setting frame to its outside release, or pulls blade phase cutter setting frame to tighten up to its inside, by screwing torque spanner mounting interface, first combing assembly link second combing assembly rotate, do center convolution motion to make blade and combing is carried out to the screw thread of screw, accurately can control the radial dimension of cutter head distending, be convenient to the control to combing amount in carding process, achieve blade section central diameter adjustable, automatically engage with screw to be repaired during use, guarantee that equipment blade can be fitted completely from the thread of the screwed hole of different manufacturing tolerance in carding process, ensure carding quality, and it is reasonable to have the swollen knife structure of receipts, rigidity is large, the advantage that carding process stability is high.
Second, gravity compensation assembly comprises and can be added on body or can by multiple weight stacks that body takes off, with thinking that cutter hub provides axial extra cutting force up or down in carding process, can people be carry out micro-control set for adjusting can combing to the addendum flank of screw thread or dedendum flank, prevent in guarded blade utility knife tooth carding process because an Action of Gravity Field combing is to the addendum flank of screw thread.
Three, guidance set is one group of guide post, guide post comprise in order to treat disk that carding equipment carries out assembling and be fastened on the cylinder on disk, disk is socketed with rubber ring.Guidance set both can provide guiding for the second combing assembly, and also can be that the second combing assembly and gravity compensation assembly provide support, guide post be quick-disassembly structure, can effectively shorten operative's time, increase work efficiency.
Four, the opposite end of transverse slat is respectively equipped with the sliding sleeve connecting guide post in order to adaptation, and sliding sleeve is annulus or semi-annular shape, and it is smooth that it can guarantee that the first combing assembly moves up and down, and also allows guide post to have certain error of perpendicularity when mounted.
Five, be easy to operation, Carding Accuracy is high, safe and reliable.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation of embodiment of the present invention heavy caliber internal thread screw thread carding apparatus.
Fig. 2 is the structural representation of the guidance set of embodiment of the present invention heavy caliber internal thread screw thread carding apparatus.
Fig. 3 is the structural representation of the pulley assembly of embodiment of the present invention heavy caliber internal thread screw thread carding apparatus.
Fig. 4 is the structural representation of the gravity compensation assembly of embodiment of the present invention heavy caliber internal thread screw thread carding apparatus.
Fig. 5 is the structural representation of the first combing assembly of embodiment of the present invention heavy caliber internal thread screw thread carding apparatus.
Fig. 6 is the blasting arrangement schematic diagram of the second combing assembly of embodiment of the present invention heavy caliber internal thread screw thread carding apparatus.
Fig. 7 is the assembly structure schematic diagram of the second combing assembly of embodiment of the present invention heavy caliber internal thread screw thread carding apparatus.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
In conjunction with see Fig. 1-Fig. 7, it is the embodiment one of heavy caliber internal thread screw thread carding apparatus of the present invention.
Heavy caliber internal thread screw thread carding apparatus in the present embodiment, in order to solve the problem of tun upper bolt hole threading defects combing, guarantee that the screw thread in each bolt hole is in good condition, for the normal screw-in back-out of container bolt provides safeguard, it specifically comprises: in order to carry out the guidance set 1 leading and locate, the pulley assembly 2 be arranged on guidance set, pulley assembly 2 comprises the substrate 21 be fastened on guidance set 1 and the assembly pulley 22 arranged on the base plate (21, be connected to gravity compensation assembly 3, the first combing assembly 4 of assembly pulley 22 one end; And the second combing assembly 5 be connected on the first combing assembly 4.
During concrete enforcement, as shown in Figure 2, guidance set 1 is one group of guide post, guide post comprise in order to the cylinder 12 treating disk that carding equipment carries out assembling 11 and be fastened on disk 11, disk 11 is socketed with rubber ring 13.The effect of guidance set 1 has two, and the first is that whole device provides support power, is the basis of whole device load-bearing, and it two is for the first combing assembly 4 and moving up and down of the second combing assembly 5 provide certain guiding force.During concrete enforcement, the installation of guidance set 1 is simply very convenient, and bottom disc 11 is put into hole to be installed, the cylinder 12 on top is rotated by special spanner, rubber ring 13 bottom it is squeezed and expands, and size becomes large rear swelling in hole, and finishing equipment is installed.
Further, as shown in Figure 3, pulley assembly 2 comprises fastening substrate 21 on the guide bar and the assembly pulley 22 arranged on the base plate (21.Wherein, a side of substrate 21 and middle part are fastened on the tip position of two cylinders 12 respectively, and assembly pulley 22 is two rolling fixed pulleys, and assembly pulley 22 is provided with rope body 23, is steel wire rope in the present embodiment.One end of rope body 23 is fastened on the first combing assembly 4, and passes two fixed pulleys successively and connect on gravity compensation assembly 3.The effect of pulley assembly 2 is: be combined into girder construction with guidance set 1, carries gravity compensation assembly 3 and the first combing assembly 4(and the second combing assembly 5) weight, and provide fulcrum for relative motion between the two.
Further, as shown in Figure 4, gravity compensation assembly 3 comprises: body 31, be connected to the hanger 32 on body 31 and can be added on body 31 or can by multiple weight stacks 33 that body 31 takes off, and weight stack 33 is with thinking that the second combing assembly 5 provides axially extra cutting force up or down in carding process.During concrete enforcement, body 31 is in cylindric, and the rope body 23 connected on assembly pulley 22 by the hanger 32 on it realizes being connected with the first combing assembly 4 and the second combing assembly 5.During concrete enforcement, the weight of gravity compensation assembly 3 is consistent with the weight of the first combing assembly 4 and the second combing assembly 5.When device normally works, gravity compensation assembly 3 is except can the downward extra cutting force that produces of cancellation element deadweight, when the second combing assembly 5 needs combing until the specific addendum flank in thread chasing hole or dedendum flank, can take out or increase weight stack 33 accordingly to change its overall weight, the blade for the second combing assembly 5 provide in carding process axial up or down extra cutting force.
Further, as shown in Figure 5, the first combing assembly 4 comprises: carry out the transverse slat 41 led and the cylindrical shell 42 be fastened on transverse slat 41 by guidance set 1, transverse slat 41 is connected to the other end of assembly pulley 2, and cylindrical shell 42 is provided with torque spanner mounting interface 421.
During concrete enforcement, the middle part of transverse slat 41 is provided with triangular beam 411, triangular beam 411 for suspension strop body 23, for the second combing assembly 5 provides certain guiding and support.The opposite end of transverse slat 41 is respectively equipped with the sliding sleeve 412,413 connecting guide post in order to adaptation, and sliding sleeve 412 is in semi-annular shape, and sliding sleeve 413, in circular, be nylon material and make.The effect of sliding sleeve is: can guarantee that the first combing assembly 4 moves up and down smooth, also allows guide post to have certain error of perpendicularity when mounted.
Further, as shown in fig. 6-7, the second combing assembly 5 comprises: be fastened on the knife rest 51 on cylindrical shell, be arranged in knife rest 51 and be connected to push rod 52 on torque spanner mounting interface 421, be arranged on knife rest 51 inside and the tapered sleeve 53 be connected with push rod 52 and the inside that is arranged on knife rest 51 and the blade 54 be connected with tapered sleeve 53.
During concrete enforcement, knife rest 51 comprises: the carriage saddle 511 in order to accommodating tapered sleeve 53 and blades 54 is connected with in order to hold with cylindrical shell 42 and relatively can locks spacing limited post 512, carriage saddle 511 narrows setting from bottom to top relatively, and limited post 512 extends from one end of carriage saddle 511.Limited post 512 in square shape, its can realize limiting after cylindrical shell 42 assembles both rotation between axis, play spacing effect, make when operation that the first combing assembly 4 and the second combing assembly 5 can synchronous rotaries.
Knife rest 51 also comprises: base plate 513, and base plate 513 is assemblied in the side of carriage saddle 511, by spacing for tapered sleeve 53 inside at carriage saddle 511.
During concrete enforcement, push rod 52 one end is connected on torque spanner mounting interface 421, and successively through cylindrical shell 42, the inner chamber of limited post 512 and the inner chamber of carriage saddle 511, the other end of push rod 52 is connected on tapered sleeve 53.
Preferably, blade 54 is set to multiple, and circumferentially formula is arranged, is set to six in the present embodiment, each other equidistant evenly setting, and the side of blade 54 is provided with escape 541, and the foreign aid of each blade 54 is provided with the screw thread of combing.The effect of escape 541 is that the inclined-plane had with tapered sleeve 53 is suitable, when tapered sleeve 53 moves up and down along its axle center, cutting blade 54 can be with to release or tighten up, to change the central diameter size of blade 54.
Preferably, blade 54 adopts special fixture group manufacturing, ensures the precision of blade 54 and the interchangeability of replenished spares, the material employing type high-speed steel of blade 54, the processing and manufacturing of Tool in Cutting sword roughness requires higher, can ensure the surface roughness of cutting and chip removal and machined surface.
Heavy caliber internal thread screw thread carding apparatus of the present invention in the specific implementation, because push rod 52 one end is connected on torque spanner mounting interface 421, operated by the position of screwing tool at torque spanner mounting interface 421, reversing push rod 52 makes it rotate, push rod 52 just can drive and tapered sleeve 53 just can be made to move up or down along its central shaft, because the inclined-plane of tapered sleeve 53 is connected with the escape 541 of blade 54 respectively, cutting blade 54 can be with in the process that tapered sleeve 53 moves up and down to release or tighten up.Preferably, first combing assembly 4 is equipped with special dial by arranging receipts rimmer knife structure, and the central diameter adopting high accuracy fine thread to realize insert 54 regulates, and accurately can control the radial dimension of cutter head 54 distending, be convenient to the control to combing amount in carding process.
In the present embodiment, when needs blade 54 distending, drive tapered sleeve 53 to move down, the inclined-plane of its cone plane and blade 54 slides, and makes blade 54 extrapolated, increases the central diameter of blade 54.When needs tighten up blade 54, drive on tapered sleeve 53 and move, the escape on tapered sleeve 53 fastening blade 54, makes blade 54 inwardly tighten up, and reduces the central diameter of blade 54.That is, tapered sleeve 53 can promote blade 54 phase cutter setting frame 51 to its outside release, or pulls blade 54 phase cutter setting frame 51 to tighten up to its inside;
And then, after the adjustment of the central diameter of blade 54, another screwing tool is used to turn round stubborn torque spanner mounting interface 421, by screwing torque spanner mounting interface 421, first combing assembly 4, the second combing assembly 5 that links rotates, and does center convolution motion to make blade 54 and carries out combing to the screw thread of screw.
It should be noted that, turn round stubborn torque spanner mounting interface 421 during work, rotate the first combing assembly 4 second combing assembly 5 that links and carry out thread repairing, carding process must control certain moment, avoids the secondary injury that excessive torque is brought screw.
Implement heavy caliber internal thread screw thread carding apparatus of the present invention, there is following beneficial effect:
The first, screwing push rod makes tapered sleeve move along its central shaft, and tapered sleeve promotes blade phase cutter setting frame to its outside release, or pulls blade phase cutter setting frame to tighten up to its inside, by screwing torque spanner mounting interface, first combing assembly link second combing assembly rotate, do center convolution motion to make blade and combing is carried out to the screw thread of screw, accurately can control the radial dimension of cutter head distending, be convenient to the control to combing amount in carding process, achieve blade section central diameter adjustable, automatically engage with screw to be repaired during use, guarantee that equipment blade can be fitted completely from the thread of the screwed hole of different manufacturing tolerance in carding process, ensure carding quality, and it is reasonable to have the swollen knife structure of receipts, rigidity is large, the advantage that carding process stability is high.
Second, gravity compensation assembly comprises and can be added on body or can by multiple weight stacks that body takes off, with thinking that cutter hub provides axial extra cutting force up or down in carding process, can people be carry out micro-control set for adjusting can combing to the addendum flank of screw thread or dedendum flank, prevent in guarded blade utility knife tooth carding process because an Action of Gravity Field combing is to the addendum flank of screw thread.
Three, guidance set is one group of guide post, guide post comprise in order to treat disk that carding equipment carries out assembling and be fastened on the cylinder on disk, disk is socketed with rubber ring.Guidance set both can provide guiding for the second combing assembly, and also can be that the second combing assembly and gravity compensation assembly provide support, guide post be quick-disassembly structure, can effectively shorten operative's time, increase work efficiency.
Four, the opposite end of transverse slat is respectively equipped with the sliding sleeve connecting guide post in order to adaptation, and sliding sleeve is annulus or semi-annular shape, and it is smooth that it can guarantee that the first combing assembly moves up and down, and also allows guide post to have certain error of perpendicularity when mounted.
Five, be easy to operation, Carding Accuracy is high, safe and reliable.
Claims (10)
1. a heavy caliber internal thread screw thread carding apparatus, carries out centering and combing operation in order to the screw larger to diameter, it is characterized in that, comprising:
In order to carry out the guidance set leading and locate;
Be arranged on the pulley assembly on described guidance set, described pulley assembly comprises the substrate be fastened on described guidance set and the assembly pulley arranged on the substrate;
Be connected to the gravity compensation assembly of assembly pulley one end;
First combing assembly; And
Be connected to the second combing assembly on described first combing assembly, wherein: described first combing assembly comprises: carry out the transverse slat led and the cylindrical shell be fastened on described transverse slat by described guidance set, described transverse slat is connected to the other end of assembly pulley, and described cylindrical shell is provided with torque spanner mounting interface; Described second combing assembly comprises: be fastened on the knife rest on described cylindrical shell, be arranged in described knife rest and be connected to push rod on described torque spanner mounting interface, be arranged on described knife rest inside and the tapered sleeve be connected with described push rod and the inside that is arranged on described knife rest and the blade be connected with described tapered sleeve; Wherein:
Screwing described push rod makes described tapered sleeve move along its central shaft, and described tapered sleeve promotes the relatively described knife rest of described blade to its outside release, or pulls the relatively described knife rest of described blade to tighten up to its inside;
By screwing described torque spanner mounting interface, the described second combing assembly of described first combing assembly interlock rotates, and does center convolution motion to make described blade and carries out combing to the screw thread of screw.
2. heavy caliber internal thread screw thread carding apparatus as claimed in claim 1, it is characterized in that, described blade is set to multiple, and circumferentially formula is arranged; The side of described blade is provided with escape.
3. heavy caliber internal thread screw thread carding apparatus as claimed in claim 1, it is characterized in that, described gravity compensation assembly comprises: body, connect hanger on the body and can add on the body or can by multiple weight stacks that described body takes off, and described weight stack is with thinking that cutter hub provides axially extra cutting force up or down in carding process.
4. heavy caliber internal thread screw thread carding apparatus as claimed in claim 1, it is characterized in that, described guidance set is one group of guide post, described guide post comprise in order to treat disk that carding equipment carries out assembling and be fastened on the cylinder on described disk, described disk is socketed with rubber ring.
5. heavy caliber internal thread screw thread carding apparatus as claimed in claim 4, it is characterized in that, described substrate is fastened on described cylinder, and described assembly pulley is fixed pulley.
6. heavy caliber internal thread screw thread carding apparatus as claimed in claim 5, it is characterized in that, described assembly pulley has rope body, and described transverse slat is provided with triangular beam, one end of described rope body is fastened on described triangular beam, and successively through described fixed pulley and lock be connected on described gravity compensation assembly.
7. heavy caliber internal thread screw thread carding apparatus as claimed in claim 6, it is characterized in that, the opposite end of described transverse slat is respectively equipped with the sliding sleeve connecting described guide post in order to adaptation, and described sliding sleeve is annulus or semi-annular shape.
8. heavy caliber internal thread screw thread carding apparatus as claimed in claim 1, it is characterized in that, described knife rest comprises: in order to accommodating described tapered sleeve and the carriage saddle that assembles described blade with in order to hold with described cylindrical shell, being connected goes forward side by side locks spacing limited post relatively, described limited post extends from one end of described carriage saddle.
9. heavy caliber internal thread screw thread carding apparatus as claimed in claim 8, it is characterized in that, described knife rest also comprises: base plate, and described base plate is assemblied in the side of described carriage saddle, by spacing for the described tapered sleeve inside at described carriage saddle.
10. heavy caliber internal thread screw thread carding apparatus as claimed in claim 9, it is characterized in that, described push rod one end is connected on described torque spanner mounting interface, and successively through described cylindrical shell, described limited post and described carriage saddle, the other end of described push rod is connected on described tapered sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510949585.6A CN105537847A (en) | 2015-12-18 | 2015-12-18 | Thread combing device for large-caliber internal threads |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510949585.6A CN105537847A (en) | 2015-12-18 | 2015-12-18 | Thread combing device for large-caliber internal threads |
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| Publication Number | Publication Date |
|---|---|
| CN105537847A true CN105537847A (en) | 2016-05-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510949585.6A Pending CN105537847A (en) | 2015-12-18 | 2015-12-18 | Thread combing device for large-caliber internal threads |
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| CN103357928A (en) * | 2013-06-27 | 2013-10-23 | 中广核工程有限公司 | Method for repairing main screw hole of reactor pressure vessel |
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Application publication date: 20160504 |