CN101554697A - Thread manufacturing method and machining device for improving deformation resistance of steel bar joint - Google Patents
Thread manufacturing method and machining device for improving deformation resistance of steel bar joint Download PDFInfo
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- CN101554697A CN101554697A CNA2008101468812A CN200810146881A CN101554697A CN 101554697 A CN101554697 A CN 101554697A CN A2008101468812 A CNA2008101468812 A CN A2008101468812A CN 200810146881 A CN200810146881 A CN 200810146881A CN 101554697 A CN101554697 A CN 101554697A
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 28
- 239000010959 steel Substances 0.000 title claims abstract description 28
- 238000003754 machining Methods 0.000 title description 10
- 238000004519 manufacturing process Methods 0.000 title 1
- 230000007246 mechanism Effects 0.000 claims abstract description 103
- 238000012545 processing Methods 0.000 claims abstract description 40
- 238000005096 rolling process Methods 0.000 claims abstract description 31
- 238000000034 method Methods 0.000 claims abstract description 24
- 238000003672 processing method Methods 0.000 claims abstract description 13
- 238000005520 cutting process Methods 0.000 claims description 34
- 230000007704 transition Effects 0.000 claims description 4
- 238000012423 maintenance Methods 0.000 abstract description 2
- 229910001294 Reinforcing steel Inorganic materials 0.000 abstract 1
- 230000007547 defect Effects 0.000 abstract 1
- 230000003014 reinforcing effect Effects 0.000 description 29
- 230000008569 process Effects 0.000 description 9
- 238000010586 diagram Methods 0.000 description 8
- 230000000694 effects Effects 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 5
- 230000000630 rising effect Effects 0.000 description 5
- 230000002950 deficient Effects 0.000 description 3
- 230000002035 prolonged effect Effects 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 230000001976 improved effect Effects 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000001737 promoting effect Effects 0.000 description 2
- 241001269238 Data Species 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000008093 supporting effect Effects 0.000 description 1
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- 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
- B23G1/22—Machines specially designed for operating on pipes or tubes
- B23G1/24—Machines specially designed for operating on pipes or tubes portable
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21H—MAKING PARTICULAR METAL OBJECTS BY ROLLING, e.g. SCREWS, WHEELS, RINGS, BARRELS, BALLS
- B21H3/00—Making helical bodies or bodies having parts of helical shape
- B21H3/02—Making helical bodies or bodies having parts of helical shape external screw-threads ; Making dies for thread rolling
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- 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
- B23G5/00—Thread-cutting tools; Die-heads
- B23G5/08—Thread-cutting tools; Die-heads with means for adjustment
- B23G5/10—Die-heads
- B23G5/12—Die-heads self-releasing
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C5/00—Reinforcing elements, e.g. for concrete; Auxiliary elements therefor
- E04C5/01—Reinforcing elements of metal, e.g. with non-structural coatings
- E04C5/02—Reinforcing elements of metal, e.g. with non-structural coatings of low bending resistance
- E04C5/03—Reinforcing elements of metal, e.g. with non-structural coatings of low bending resistance with indentations, projections, ribs, or the like, for augmenting the adherence to the concrete
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Abstract
A thread making method and a processing device for improving the deformation resistance of a steel bar joint improve the defect that the end of a steel bar is sunken in the existing steel bar thread rolling processing method. The device is composed of a chamfering device, a rib stripping device and a thread rolling device, all the mechanisms are arranged along the central axis of rotation in sequence, and the device is characterized in that the device is designed into a reinforcing steel bar processing device with at least secondary expanding cutters, and the chamfering, rib stripping and thread rolling are carried out in sequence through an upper arm type expanding cutter wedge mechanism fixed on a power source, an angle expanding cutter limiting mechanism and a rib stripping expanding cutter limiting mechanism fixed on a guide rail of a machine body. And has the characteristics of simple structure, convenient operation, low failure rate and convenient maintenance.
Description
Technical field
The present invention relates to a kind of building field connecting method for reinforcing bars and processing unit (plant), particularly relate to a kind of method and processing unit (plant) that improves deformation resistance of reinforced bar joint that be applicable to for realizing that this kind method is adopted.
Background technology
At present, reinforcing bar connected the mechanical connection method that adopts mostly during domestic and international building was constructed, and especially the rolling straight thread rebar connecting technology has become connecting method for reinforcing bars main in the construction.Splice by the reinforcing bar of two butt headband screw threads (hereinafter to be referred as: the silk head) and accordingly branch sleeve (hereinafter to be referred as: sleeve) form, be by reinforcing bar with two butt headband screw threads, screw in tapped sleeve, realize that reinforcing bar connects, and reaches effective transmission of two reinforcing bar power.For the switching performance of splice, should keep being connected the free of losses transmission of reinforcing bar power, guarantee bonding strength, certain connection rigidity is arranged again, the anti-deformation of joint section is equal to whole reinforcing bar as much as possible, avoids causing because the excessive hidden danger that structural safety is caused of distortion of joint section.
Because the intrinsic characteristic of rolling straight thread, screw thread end face after rolling processing, because flowing of metal, to produce the sunken end face phenomenon, and the sunken end face of this screw thread, with influence silk head in sleeve to the top effect, be difficult to eliminate the thread pitch between silk head and sleeve, when the joint section bears external force, cause the distortion of this section excessive, the deformation modulus of joint section is reduced, influence the non-deformability of joint.
Summary of the invention
In view of the defective that above-mentioned existing rolling straight thread rebar connecting technology exists, the inventor is according to for many years practical experience, verifies through constantly research and a large amount of test datas, founds this invention.
Main purpose of the present invention is, improves in the present screw thread steel rolling processing method, and the defective of depression appears in steel bar end, and a kind of new screw thread steel rolling processing method is provided.It is characterized in that: before screw thread steel rolling processing, steel bar end is carried out chamfer machining, make the threaded end after the rolling smooth.
Another main purpose of the present invention is that for improving in the present screw thread steel rolling processing method, the defective of depression appears in steel bar end, and a kind of novel screw thread steel rolling processing unit (plant) is provided.Make chamfering, stripping rib and thread rolling on same processing unit (plant), No. one time clamping is finished used making.
The rolling processing method of the raising joint non-deformability that the present invention proposes is characterized in that it mainly comprises following technical scheme and procedure of processing:
1. this screw thread steel rolling installation mainly is provided with power source and output mechanism, thread generator structure, rise cutter mechanism, reinforcing bar fixed mechanism, feed mechanism and body constitutes automatically.Power source drives the rotation of thread generator structure by output mechanism, and the thick stick of leading that makes it to prolong on the body by feed mechanism moves axially.
2. the thread generator structure is provided with chamfering, stripping rib one knife rest; Chamfering, stripping rib gang tool are installed on knife rest.
3. lead that being respectively arranged with on the thick stick resets and return sword position-limit mechanism, chamfering cutter position-limit mechanism, the stripping rib cutter position-limit mechanism that rises that rises at body.
4. power take-off mechanism is provided with the arm-type cutter cotter mechanism that rises.
5. procedure of processing:
1) earlier reinforcing bar is fixed on the reinforcing bar fixed mechanism, power-on makes power source drive the rotation of thread generator structure by output mechanism.Pull the feed mechanism handle, the thick stick of leading that thread generator structure and the arm-type cutter cotter mechanism that rises are prolonged on the fuselage moves to the reinforcing bar direction.
2) chamfering on the screw thread processing unit (plant), when stripping rib gang tool contacts with reinforcing bar, begin to carry out reinforcing bar end face chamfer machining.When this is worked into given size, being installed in the limit shaft that rise cutter voussoir and chamfering on the arm-type cutter cotter mechanism that rises rise on the cutter position-limit mechanism contacts, the break bar that rises on this stopping means is released, front end face by the push type broach ring on rise break bar and the thread generator structure contacts, stop moving axially of this ring, and head on push type broach ring and the thread generator structure is produced relatively move, realize the chamfering cutter that rises.
3) continue to pull the feeding handle after the chamfer machining, shell rib processing, when this is worked into given size, the cutter voussoir that rises that is installed on the arm-type cutter cotter mechanism that rises contacts with the limit shaft that the stripping rib rises on the cutter position-limit mechanism, the break bar that rises on this stopping means is released, and the front end face by the push type broach ring on rise break bar and the thread generator structure contacts, and stops moving axially of this ring, and head on push type broach ring and the thread generator structure is produced relatively move, realize the stripping rib cutter that rises.
4) continue feeding and pull handle, carry out thread rolling processing.
5) when screw thread is worked into specific length, power source is auto-reverse, and the reinforcing bar and the thread generator structure that process are broken away from.Oppositely pull the feeding handle, the thread generator structure is prolonged lead thick stick and return, retreating to push type broach ring rear end face contacts with the position-limited wheel of returning sword on the position-limit mechanism that resets, push type broach ring and head are produced to relatively move, by the knife rest on the compression thread generator structure that relatively moves of push type broach ring to the home position, this screw thread steel completion of processing.
Purpose of the present invention can also have following technical scheme to implement.
Aforesaid screw thread steel processing method, wherein said thread generator structure, it is made up of chamfering, stripping rib apparatus and thread rolling device respectively, and each mechanism prolongs centre of gyration axis to be arranged in order, thereby the order that realizes chamfering, stripping rib, rolling screw thread operation is finished.
Aforesaid screw thread steel processing method, wherein said position-limit mechanism, chamfering cutter position-limit mechanism, the stripping rib cutter position-limit mechanism that rises that rises of returning sword that resets, being fixedly mounted on body respectively leads on the thick stick, each mechanism prolongs thread generator structure centre of gyration axis to be arranged in order, with the order realization that guarantees chamfering, shells rib, resets.Chamfering the rise line in break bar axle center of break bar and stripping rib that rises can be parallel to the revolution axial line of thread generator structure, also can be 0 °～90 ° angle.
Aforesaid screw thread steel processing method, the wherein said arm-type cutter cotter mechanism that rises is fixedly mounted on the power take-off mechanism.Voussoir in this mechanism can be set to single voussoir, is realized chamfering the rise control of cutter position-limit mechanism of cutter position-limit mechanism, stripping rib of rising by voussoir.Voussoir in this mechanism also can be set to the folding wedge piece, independently realize chamfering the rise control of cutter position-limit mechanism of cutter position-limit mechanism, stripping rib of rising by two voussoirs respectively, the line of two voussoir symmetrical centre can be parallel to the revolution axial line of thread generator structure, also can be 0 °～90 ° angle.
Purpose of the present invention can also further be implemented by following technical scheme.According to the screw thread steel rolling processing unit (plant) that the present invention proposes, it is characterized in that being designed to the rise reinforcing bar processing unit (plant) of cutter of secondary at least, it mainly is made up of push type broach ring, knife rest, cutter.Wherein:
Above-mentioned push type broach ring is arranged on the knife rest outer ring, the radial position of four knife rests of restriction.And link to each other with sliding sleeve by screw.
Above-mentioned knife rest, at least four is one group, four knife rests are 90 ° of distributions, each knife rest one end is provided with at least three the spacing arc surfaces identical with push type broach ring inner ring diameter, be chamfering confined planes, stripping rib confined planes and rising from confined planes, be that 15 °～75 ° the excessive face of oblique circular arc links to each other by angle between three arc surfaces, the other end is provided with the cutter groove of mounting cutter.
Above-mentioned cutter, at least four is one group, is installed in respectively in the cutter groove of knife rest, has two cutting edges on each cutter at least, i.e. chamfering cutting edge and stripping rib cutting edge, the angle of two cutting edges is 15 °～75 °.Cutter can also be set to three cutting edges, i.e. chamfering cutting edge, transition cutting edge and stripping rib cutting edge, and wherein the chamfering cutting edge is 15 °～75 ° with stripping rib cutting edge angle, the transition cutting edge is 3 °～30 ° with stripping rib cutting edge angle.
Purpose of the present invention can also further be implemented by following technical scheme.Screw thread steel rolling processing unit (plant) according to the present invention's proposition, it is characterized in that being designed to the rise reinforcing bar processing unit (plant) of cutter of secondary at least, it mainly is made up of the arm-type cutter cotter mechanism that rises, chamfering cutter position-limit mechanism, stripping rib cutter position-limit mechanism and the resetting position-limit mechanism of returning sword that rises that rises.Wherein:
Above-mentioned arm-type cutter cotter mechanism one end that rises is fixed on the power source, and can axially move with power source, the other end is provided with two wedges of adjusting position vertically, two wedges are respectively chamfering location voussoir and stripping rib location voussoir, the line at two wedge centers can be parallel with axis, also can be 0 °～90 ° angle with axis.
The above-mentioned chamfering cutter position-limit mechanism that rises is fixed on the guide rail of body, and this mechanism can be installed in rolled thread mechanism axis one side and use alone, also can be installed in rolled thread mechanism axis both sides and use in pairs.One rise cutter shaft and be installed in the rise break bar that rises of cutter shaft axial line rotation of can prolong on this is arranged in this mechanism, and the cutter shaft that rises can prolong the cutter shaft that rises in this mechanism axis moves.
The above-mentioned stripping rib cutter position-limit mechanism that rises is fixed on the guide rail of body, and this mechanism can be installed in rolled thread mechanism axis one side and use alone, also can be installed in rolled thread mechanism axis both sides and use in pairs.One rise cutter shaft and be installed in the rise break bar that rises of cutter shaft axial line rotation of can prolong on this is arranged in this mechanism, and the cutter shaft that rises can prolong the cutter shaft that rises in this mechanism axis moves
The above-mentioned position-limit mechanism of returning sword of resetting is fixed on the guide rail of body, is installed in rolled thread mechanism axis both sides and uses in pairs, a fixed axis is arranged in this mechanism and be installed in the position-limited wheel that can prolong this axial line rotation on this.
The present invention compared with prior art has tangible advantage and positive effect, by above technical scheme as can be known, the present invention is by adding chamfering process before the screw thread rolling, improved the quality of connection of splice greatly, the sunken end face phenomenon that has occurred when having solved thread rolling, improve the silk head in sleeve to the top effect, improved the non-deformability of joint.
The present invention improves the processing unit (plant) of deformation resistance of reinforced bar joint, equipment last time of real realization is finished chamfering, stripping rib and thread rolling three process, the many locating surfaces knife rest of its uniqueness and the gang tool of multi-tool edge make this device can realize the conversion of multistation.And have characteristics simple in structure, easy to operate, that fault rate is low, easy to maintenance.
In sum, no matter the present invention and has bigger improvement technically on the processing method, on the structure of device and on the function bigger improvement is arranged, produce good practical function, having use value widely, is a new and innovative, progressive, practical new design.
Description of drawings
Fig. 1 is a chamfering stripping rib squeezing thread processing unit (plant) schematic diagram among the present invention
Fig. 2 is a thread generator structure front elevational schematic among the present invention
Fig. 3 is a thread generator structure section of structure among the present invention
Fig. 4 is the chamfering process cutter mechanism schematic diagram that rises among the present invention
Fig. 5 is the stripping rib operation cutter mechanism schematic diagram that rises among the present invention
Fig. 6 is the thread generator structure schematic diagram that resets among the present invention
Fig. 7 is many locating surfaces knife rest schematic diagram among the present invention
Fig. 8 is a multi-tool edge gang tool schematic diagram among the present invention
Fig. 9 is the spacing combination schematic diagram of operation among the present invention
Figure 10 is the arm-type cutter cotter mechanism schematic diagram that rises among the present invention
Specific implementation method
With reference to shown in Figure 1,, carry out following detailed description in conjunction with the accompanying drawings to concrete processing method, structure, characteristic and the effect that the chamfering that proposes among the present invention is shelled rib thread rolling method and processing unit (plant) thereof.
The present invention is a kind of steel bar joint screw preparation method in the architectural engineering that is applicable to, it mainly comprises following procedure of processing:
On thread processing equipment, be respectively equipped with bar clamp clencher 1, the arm-type cutter cotter mechanism 2 that rises, the cutter position-limit mechanism 3 that rises, chamfering stripping rib rolled thread device 4, power take-off mechanism 5, lead thick stick 6, feed mechanism 7, body 8.Wherein body 8 is provided with to slide and leads thick stick 6, by rotating the handle on the feed mechanism 7, power take-off mechanism 5, chamfering stripping rib rolled thread device 4 and the arm-type cutter cotter mechanism that rises is prolonged axially leading on the thick stick 6 slide.The cutter position-limit mechanism 3 that rises also is installed leading on the thick stick 6.
In four chutes of chamfering stripping rib rolled thread device 4 bodies 42, be provided with locating surface knife rest 43 more than four, in the cutter groove 434 of many locating surfaces knife rest 43, multi-tool edge gang tool 44 be installed.The radial position of many locating surfaces knife rest 43 is fixed by push type broach spacing ring 41, the push type broach spacing ring is realized the radial position control of many locating surfaces knife rest 43 by chamfering locating surface 431, stripping rib locating surface 432 and rolled thread locating surface 433 on many locating surfaces of ring pressure knife rest 43.
The arm-type cutter cotter mechanism 2 that rises is fixedly mounted on the power take-off mechanism 5, can axially move with power output mechanism 5.It is fixed on the cutter position-limit mechanism 3 supporting uses of leading on the thick stick 6 of rising, realize chamfering, stripping rib and the rolled thread that the present invention relates to.
Please refer to Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, shown in Figure 6, the procedure of processing of screw thread steel processing method involved in the present invention is as follows:
1. earlier the reinforcing bar (not shown) is fixedly clamped on bar clamp clencher 1, start power take-off mechanism 5 and drive 4 rotations of chamferings stripping rib rolled thread devices, pull feed mechanism 7 handles and make power take-off mechanism 5 and chamfering stripping rib rolled thread device 4 do feeding and deactivate along leading thick stick 6 jointly.
2. with reference to shown in Figure 4, chamfering shelled rib rolled thread device 4 be pushed to multi-tool edge gang tool 44 and contact, and begin chamfer machining with reinforcing bar.When chamfer machining reached specific length, the arm-type cutter cotter mechanism 2 that rises contacted with the cutter position-limit mechanism 3 that rises, and formed for the first time the chamfering cutter that rises, and finished chamfering work.
3. with reference to shown in Figure 5, continue to push chamfering stripping rib rolled thread device 4 and contact with reinforcing bar, and begin to shell rib processing to transitional edges 442 and stripping rib cutting edge 443 on the multi-tool edge gang tool 44.When stripping rib processing reached specific length, the arm-type cutter cotter mechanism 2 that rises contact with the cutter position-limit mechanism 3 that rises, and formed to shell the rib cutter that rises the second time, finished the rib processing work of shelling.
4. with reference to shown in Figure 5, continue to push chamfering stripping rib rolled thread device 4, make reinforcing bar enter thread rolling processing, when thread rolling arrived specific length, power source rotated automatically round about, and chamfering stripping rib rolled thread device 4 moves backward, push chamfering stripping rib rolled thread device 4 backward, the stopping means 33 that resets is contacted with push type broach spacing ring 41 trailing flanks, realize that cutter resets, all process finishing.
From the above, Screw thread process method of the present invention, mainly be preceding to end reinforced chamfer machining of carrying out appropriateness by screw thread processing, unnecessary metal can not be deposited in end reinforced formation end depression after making thread rolling, can improve joint so greatly to the top effect, improve the non-deformability of joint.
With reference to Fig. 4, Fig. 5, shown in Figure 6, realize thread rolling device of the present invention, be to realize the requisite processing unit (plant) of the present invention.Its key technology is that it is to describe with the processing unit (plant) that is provided with the cutter mechanism that repeatedly rises that design has the cutter mechanism that repeatedly rises, this example, and it mainly is made up of the arm-type cutter cotter mechanism 2 that rises, the cutter position-limit mechanism 3 that rises, chamfering stripping rib rolled thread device 4, wherein:
The above-mentioned arm-type cutter cotter mechanism 2 that rises, be provided with at least two group wedge devices, but 23 move in wedge 21 and wedge 22 each comfortable guide groove, and can be fixed in some positions by screw lock, the arm-type cutter cotter mechanism 2 that rises is screwed on power take-off mechanism 5 by fixing hole 24.
The above-mentioned cutter position-limit mechanism 3 that rises, it is fixed on leads on the thick stick 6, and this mechanism is provided with the rise cutter shaft 311 and the break bar 312 that rises, and the break bar 312 that rises is installed in the cutter shaft front end that rises, and can be around rising by cutter shaft center line rotation, the break bar periphery that rises is the inclined-plane of an angle identical with push type broach spacing ring 41 outer ring front end faces.
Above-mentioned chamfering stripping rib rolled thread device 4 is provided with many locating surfaces knife rest 43, multi-tool edge gang tool 44, push type broach spacing ring 41, body 42, guide sleeve 45, screw thread rolled thread device 46.Wherein: screw thread rolled thread device 46 1 ends are connected with power take-off mechanism 5, the other end is connected with body 42, four chutes that are 90 ° are mutually arranged on body 42, many locating surfaces knife rest 43 is housed respectively in the chute, one side of many locating surfaces knife rest 43 has the cutter groove 434 that multi-tool edge gang tool 44 is installed, and multi-tool edge gang tool 44 can be installed, the other end is provided with chamfering locating surface 431, stripping rib locating surface 432 and rolled thread locating surface 433, locating surface is an arc surface, its arc radius is identical with push type broach spacing ring 41 inner ring radiuses, and each locating surface has oblique arc surface 435 to be connected with 436 excessively.Many locating surfaces knife rest 43 is by hoop compression set position in ring outer ring in the push type broach spacing ring 41, push type broach spacing ring 41 can bind round respectively on chamfering locating surface 431, stripping rib locating surface 432 and the rolled thread locating surface 433 that is pressed in many locating surfaces knife rest 43, when push type broach spacing ring 41 hoops are pressed in different locating surfaces, be installed in the diameter difference in multi-tool edge gang tool 44 gardens that cutting edge forms on many locating surfaces knife rest 43.
Push type broach spacing ring 41 front end faces have one with the identical inclined-plane of break bar 312 periphery bevel angles that rises, thereafter end face is connected with guide sleeve 45, there is the gap that guide sleeve is slided freely guide sleeve inner ring and screw thread rolled thread device 46 outer rings, and push type broach spacing ring 41 and guide sleeve 45 are endwisely slipped along screw thread rolled thread device 46 outer rings.
With reference to Fig. 4, Fig. 5, shown in Figure 6, below the operation principle of chamfering, stripping rib, rolled thread operation is elaborated.
Bar clamp fastens on bar clamp clencher 1, and push type broach spacing ring 41 is pressed with chamfering locating surface 431 hoops of many locating surfaces knife rest 43 when initial, chamfering is shelled rib rolled thread device 4 be pushed to multi-tool edge gang tool 44 and contact with reinforcing bar, and begin chamfer machining.When chamfer machining reaches specific length, limit shaft 311 in the chamfering limit assembly 31 on the spacing wedge 21 of chamfering on the arm-type cutter cotter mechanism 2 that rises and the cutter position-limit mechanism 3 that rises contacts, simultaneously promoting limit shaft 311 by the inclined-plane on the spacing wedge 21 of chamfering moves along this self axis, the push type broach spacing ring 41 that chamfering position-limited wheel 312 that is installed on this and the chamfering that is moving are shelled on the rib rolled thread device 4 contacts, and the moving axially of restriction push type broach spacing ring 41, push type broach spacing ring 41 produces axial relatively moving with many locating surfaces knife rest 43, make the contact-making surface of restriction push type broach spacing ring 41 and many locating surfaces knife rest 43, slide onto stripping rib contact-making surface 432 by chamfering contact-making surface 431 by excessive inclined-plane 435, many locating surfaces knife rest 43 radially amplifies along the chute of body 42.At this moment, the chamfering cutting edge 441 that is installed in the multi-tool edge gang tool 44 in many locating surfaces knife rest 43 cutter grooves 434 breaks away from reinforcing bar, finishes at reinforcing bar end face chamfering process.
Continue to push chamfering stripping rib rolled thread device 4 and contact with reinforcing bar, and begin to shell rib processing to transitional edges 442 and stripping rib cutting edge 443 on the multi-tool edge gang tool 44.When the processing of stripping rib reaches specific length, limit shaft 311 in the chamfering limit assembly 32 on the spacing wedge 22 of stripping rib on the arm-type cutter cotter mechanism 2 that rises and the cutter position-limit mechanism 3 that rises contacts, simultaneously promoting limit shaft 311 by the inclined-plane on the spacing wedge 22 of chamfering moves along this self axis, the push type broach spacing ring 41 that chamfering position-limited wheel 312 that is installed on this and the chamfering that is moving are shelled on the rib rolled thread device 4 contacts, and the moving axially of restriction push type broach spacing ring 41, push type broach spacing ring 41 produces axial relatively moving with many locating surfaces knife rest 43, make the contact-making surface of restriction push type broach spacing ring 41 and many locating surfaces knife rest 43, slide onto stripping rib contact-making surface 432 by chamfering contact-making surface 431 by excessive inclined-plane 436, many locating surfaces knife rest 43 radially amplifies along the chute of body 42.At this moment, the stripping rib cutting edge 443 that is installed in the multi-tool edge gang tool 44 in many locating surfaces knife rest 43 cutter grooves 434 breaks away from reinforcing bar, finishes at reinforcing bar end face chamfering process.
Continue to push chamfering stripping rib rolled thread device 4 until finishing thread rolling processing, chamfering stripping rib rolled thread device 4 is under the effect of power source, reverse rotation, when reinforcing bar and chamfering stripping rib rolled thread device 4 breaks away from fully, push chamfering stripping rib rolled thread device 4 backward, the stopping means 33 that resets is contacted with push type broach spacing ring 41 trailing flanks, realize that cutter resets, all process finishing.
In the combinations thereof structure, many locating surfaces knife rest 43 has three locating surfaces at least, has excessive inclined-plane excessive between each locating surface, and bevel angle is γ, and γ should be 15 °～75 °.
In the combinations thereof structure, multi-tool edge gang tool 44 has two cutting edges at least, serves as different machining respectively, is example with three cutting edges of the present invention, and chamfering cutting edge 441 is β with the angle of stripping rib cutting edge 443, and β should be 15 °～75 °; Transitional edges 442 is α with the angle of stripping rib cutting edge 443, and α should be 3 °～30 °.
The above only is a preferred embodiments of the present invention, is not the present invention is done any pro forma restriction, and all foundations technology of the present invention makes it simple modification, equivalent variations and modification that above example is done, all still belongs in the scope of technical solution of the present invention.
Claims (6)
1. thread making method that improves deformation resistance of reinforced bar joint, it is characterized in that: the connecting thread to steel bar end carries out, the processing method of chamfering, stripping rib and thread rolling.
2. screw thread steel processing unit (plant) of implementing the processing method of claim 1 steel bar joint screw, it is characterized in that: this device is designed to repeatedly rise cutter mechanism, and it mainly is made up of chamfering stripping rib rolled thread device, the cutter position-limit mechanism that rises, the arm-type cutter cotter mechanism that rises, many locating surfaces knife rest.The arm-type cutter cotter mechanism that rises is fixedly mounted on the power source, and contacts the multistage cutter that rises of realization with the cutter position-limit mechanism that rises by moving the voussoir that makes in this mechanism.
3. screw thread steel processing unit (plant) according to claim 2 is characterized in that: be provided with two spacing voussoirs at least on the arm-type cutter cotter mechanism that rises, the line at two wedge centers can be parallel with axis, also can be 0 °～90 ° angle with axis.
4. screw thread steel processing unit (plant) according to claim 2, it is characterized in that: this device is provided with two rise cutter position-limit mechanism and the limiting mechanisms that reset at least, two cutter position-limit mechanisms that rise can be parallel to the revolution axial line of thread generator structure, also can be 0 °～90 ° angle.
5. screw thread steel processing unit (plant) according to claim 2, it is characterized in that: at least four on many locating surfaces knife rest is one group, each many locating surfaces knife rest has three locating surfaces at least, has excessive inclined-plane excessive between each locating surface, and excessively the angle of bevel below is 15 °～75 °.
6. screw thread steel processing unit (plant) according to claim 2 is characterized in that: have two cutting edges on the multi-tool edge gang tool at least, i.e. and chamfering cutting edge and stripping rib cutting edge, the angle of two cutting edges is 15 °～75 °.Cutter can also be set to three cutting edges, i.e. chamfering cutting edge, transition cutting edge and stripping rib cutting edge, and wherein the chamfering cutting edge is 15 °～75 ° with stripping rib cutting edge angle, the transition cutting edge is 3 °～30 ° with stripping rib cutting edge angle.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008101468812A CN101554697B (en) | 2008-08-27 | 2008-08-27 | Improve thread machining device of steel bar joint resistance to deformation ability |
| PCT/CN2008/002020 WO2010022552A1 (en) | 2008-08-27 | 2008-12-17 | Method and device for forming thread on reinforcing rod end |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008101468812A CN101554697B (en) | 2008-08-27 | 2008-08-27 | Improve thread machining device of steel bar joint resistance to deformation ability |
Publications (2)
| Publication Number | Publication Date |
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| CN101554697A true CN101554697A (en) | 2009-10-14 |
| CN101554697B CN101554697B (en) | 2012-05-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2008101468812A Active CN101554697B (en) | 2008-08-27 | 2008-08-27 | Improve thread machining device of steel bar joint resistance to deformation ability |
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| Country | Link |
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| CN (1) | CN101554697B (en) |
| WO (1) | WO2010022552A1 (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102653989A (en) * | 2012-04-24 | 2012-09-05 | 昆山市城建建筑安装工程有限公司 | Steel bar rolling straight-thread sleeve connection construction method |
| CN107241902A (en) * | 2016-01-28 | 2017-10-10 | 日锻汽门株式会社 | The processing method of screw thread |
| CN110681927A (en) * | 2019-08-28 | 2020-01-14 | 金华华鼎科技有限公司 | Full-automatic mantle fiber machine |
| CN111993065A (en) * | 2020-08-07 | 2020-11-27 | 河南永益同丰智能科技有限公司 | Rib-peeling and chamfering integrated mechanism for multi-rib steel bars |
| CN115179097A (en) * | 2022-07-28 | 2022-10-14 | 浙江亚微精密机床有限公司 | Machining equipment capable of effectively reducing vibration of machining guide rail |
| CN115415811A (en) * | 2022-06-30 | 2022-12-02 | 北京五隆兴科技发展有限公司 | Intelligent processing production line and method integrating steel bar blanking, threading and bending |
| CN115971894A (en) * | 2023-03-22 | 2023-04-18 | 江苏中动机械科技有限公司 | Reinforcing bar is surely sawed and is shelled rib chamfer integration equipment |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113102665A (en) * | 2021-05-18 | 2021-07-13 | 河北易达钢筋连接技术有限公司 | Automatic reinforcing steel bar rolling straight thread machine tool |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH604951A5 (en) * | 1976-08-11 | 1978-09-15 | Belloli Ferriere & Co | Concrete reinforcing anchorage rod with threaded ends |
| GB2162915B (en) * | 1984-08-09 | 1988-06-02 | Allied Steel Wire Ltd | Reinforcing bar joints |
| US5776001A (en) * | 1994-02-16 | 1998-07-07 | Ccl Systems Limited | Thread formation |
| CN2394745Y (en) * | 1999-08-26 | 2000-09-06 | 中国建筑科学研究院建筑机械化研究分院 | Steel bar with rib equal strength peeling rib rolling press straight screw processing equipment |
| CN2538449Y (en) * | 2002-03-14 | 2003-03-05 | 北京市建筑工程研究院 | Equipment for cutting and rolling thread on reinforcing bar and steel rod |
-
2008
- 2008-08-27 CN CN2008101468812A patent/CN101554697B/en active Active
- 2008-12-17 WO PCT/CN2008/002020 patent/WO2010022552A1/en active Application Filing
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102653989A (en) * | 2012-04-24 | 2012-09-05 | 昆山市城建建筑安装工程有限公司 | Steel bar rolling straight-thread sleeve connection construction method |
| CN107241902A (en) * | 2016-01-28 | 2017-10-10 | 日锻汽门株式会社 | The processing method of screw thread |
| CN107241902B (en) * | 2016-01-28 | 2018-12-14 | 日锻汽门株式会社 | The processing method of screw thread |
| CN110681927A (en) * | 2019-08-28 | 2020-01-14 | 金华华鼎科技有限公司 | Full-automatic mantle fiber machine |
| CN110681927B (en) * | 2019-08-28 | 2023-11-10 | 合肥市贵谦信息科技有限公司 | Full-automatic threading machine |
| CN111993065A (en) * | 2020-08-07 | 2020-11-27 | 河南永益同丰智能科技有限公司 | Rib-peeling and chamfering integrated mechanism for multi-rib steel bars |
| CN115415811A (en) * | 2022-06-30 | 2022-12-02 | 北京五隆兴科技发展有限公司 | Intelligent processing production line and method integrating steel bar blanking, threading and bending |
| CN115179097A (en) * | 2022-07-28 | 2022-10-14 | 浙江亚微精密机床有限公司 | Machining equipment capable of effectively reducing vibration of machining guide rail |
| CN115179097B (en) * | 2022-07-28 | 2024-03-29 | 浙江亚微精密机床有限公司 | Processing equipment capable of effectively reducing vibration of processing guide rail |
| CN115971894A (en) * | 2023-03-22 | 2023-04-18 | 江苏中动机械科技有限公司 | Reinforcing bar is surely sawed and is shelled rib chamfer integration equipment |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2010022552A1 (en) | 2010-03-04 |
| CN101554697B (en) | 2012-05-23 |
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Owner name: CABR TECHNOLOGY CO., LTD. Effective date: 20121228 Owner name: CHINA ACADEMY OF BUILDING RESEARCH Free format text: FORMER OWNER: CABR TECHNOLOGY CO., LTD. Effective date: 20121228 |
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Effective date of registration: 20180124 Address after: 102447 No. 78, No. 78, North Liu Zhuang village, Qinglong Town, Beijing Patentee after: Beijing Wulongxing Technology Development Co., Ltd. Address before: 100013 Beijing, North Third Ring Road, No. 30 East Road, Chaoyang District Co-patentee before: CABR Technology Co., Ltd. Patentee before: China Academy of Building Research |