CN1584247A - Multihead threading reinforcing bar joint, producer and producing method thereof - Google Patents
Multihead threading reinforcing bar joint, producer and producing method thereof Download PDFInfo
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- CN1584247A CN1584247A CN 200410047901 CN200410047901A CN1584247A CN 1584247 A CN1584247 A CN 1584247A CN 200410047901 CN200410047901 CN 200410047901 CN 200410047901 A CN200410047901 A CN 200410047901A CN 1584247 A CN1584247 A CN 1584247A
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- cylindrical die
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- reinforcing bar
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Abstract
The present invention relates to a multi-start screw-thread steel bar joint, its manufacturing device and manufacturing method. The end screw-thread of end portion of steel bar which is made up by adopting rolling process is multi-start screw-thread. Two parts of steel bars can be connected by means of multi-start screw-thread steeve with female screw-thread in their joint position. The key portion of manufacturing device for manufacturing said multi-start screw-thread steel bar joint is a rolling machine headfor machining steel bar end screw-thread, and it is formed from rib-cutting mechanism and rolling mechansm, and the rolling mechansm is formed from thread-rolling wheel, wormwheel and worm regulation portion, in which said rolling mechanism at least has two thread-rolling wheels. Besides, said invention also provides its manufacturing method and its advantages.
Description
(1) technical field
The present invention relates to a kind of indented bars joint and processing equipment and processing method.
(2) background technology
At present, generally adopt nipple to come connecting reinforcement in the concrete work at home and abroad, one start screw is all adopted in the most frequently used taper thread bar splice, the bar splice of jumping-up straight thread and rolling straight thread bar splice, field fabrication steel bar end screw thread or all more time-consuming during with adapter sleeve butt joint reinforcing bar.Make the rolling mill or the die head threading machine (following all is that example illustrates it with the rolling mill) of end reinforced screw thread, its core thread rolling head is by cutting rib mechanism and rolling mechanism forms, cutting knife rest, the blade of rib mechanism arranges along the circumference quartering, blade is fixed in the knife rest, rolling mechanism evenly arranges cylindrical die roll along circumference in head or roller box, according to the number (two, three or four) of cylindrical die roll accordingly with each cylindrical die roll along the lengthwise position of rolled thread wheel shaft 1/2,1/3 and 3/4 pitch that staggers, there is phase difference the mutual vertically position of each cylindrical die roll.The bar splice that existing this mechanical device processes, no matter be taper thread bar splice and straight thread bar splice (wherein comprising bar splice of jumping-up straight thread and rolling straight thread bar splice again), all bar splice all is one start screw, single-threaded processing and connection speed are all slow, connect a standard type joint with spanner, if rotate 60 degree at every turn, usually to pull and to connect a reinforcing bar for 70-90 time, if the extended type joint, pull and to connect a bar splice for 140-180 time.
(3) summary of the invention
The purpose of this invention is to provide a kind of multiple thread reinforcing bar joint and manufacturing installation and manufacture method, solve bar splice processing and the slow technical problem of connection speed; And solution roller box cylindrical die roll wheelbase is regulated inconvenient problem.
Technical scheme of the present invention: this multiple thread reinforcing bar joint is characterized in that: the end reinforced termination screw thread of making by rolling is a multiple thread, and two sections reinforcing bars are connected by the multiple thread sleeve that has internal thread at joint area.
Multiple thread reinforcing bar joint manufacturing installation of the present invention, mainly comprise support, processing screw thread steel rolling head and head driving mechanism; Its core is the rolling head of processing steel bar end screw thread, it is by cutting rib mechanism and rolling mechanism forms, cut rib mechanism by cutterhead, knife rest and toolsetting dish are formed, knife rest and the blade that is fixed therein are arranged along branches such as cutterhead circumference, rolling mechanism is by cylindrical die roll and worm gear, the worm screw adjusting portion is grouped into, it is characterized in that: cylindrical die roll is two at least, along the circumferential direction evenly arrange, the cylindrical die roll angle of inclination is consistent with the lead angle of the screw thread of processed reinforcing bar, cylindrical die roll is along cylindrical die roll direction of principal axis axial location of living in is identical separately, no phase difference, each cylindrical die roll contacts with processed reinforcing bar cylindrical, rolls out multiple thread at steel bar end.
Above-mentioned cylindrical die roll is two, being 180 ° arranges relatively, between two cylindrical die rolls, two less location jockey pulleys of symmetric arrangement at interval,, the location jockey pulley is through on the jockey pulley axle, the jockey pulley gear of jockey pulley shaft end is meshed with the worm gear ring gear, the angle of inclination of two location jockey pulleys is also consistent with the lead angle of processed screw thread steel, axial location then respectively with the axial location of cylindrical die roll stagger mutually 1/4 helical pitch and 3/4 helical pitch, each cylindrical die roll contacts with processed reinforcing bar cylindrical, and rolling goes out double thread.
Above-mentioned jockey pulley gear is fan-shaped or circular.
Above-mentioned cylindrical die roll is three, be along the circumferential direction 120 ° evenly arrange that the cylindrical die roll axial location is identical, no phase difference, rolling goes out three head thread.
Above-mentioned cylindrical die roll is four, being 90 ° evenly arranges along circumference, four cylindrical die roll sizes are identical, the angle of inclination of cylindrical die roll is all consistent with the lead angle of processed screw thread steel, wherein two of 180 ° of positioned opposite cylindrical die rolls are along cylindrical die roll direction of principal axis present position is identical separately, no phase difference, another to two cylindrical die rolls of 180 ° of positioned opposite along cylindrical die roll direction of principal axis present position and first pair of cylindrical die roll axial location separately then stagger mutually 1/4 helical pitch and 3/4 helical pitch, all cylindrical die roll shaft end gear is meshed with the worm gear ring gear, each cylindrical die roll contacts with processed reinforcing bar cylindrical, and rolling goes out double thread.
The profile of tooth of above-mentioned cylindrical die roll is lance tooth, rectangular teeth or round-arced tooth.
Above-mentioned cylindrical die roll outer rim is formed by two sections to three sections vertically, and an end or two ends are that the gradient is the changeover portion of 10～18 degree, and the centre is the active section of standard tooth form.
The manufacture method of multiple thread reinforcing bar joint of the present invention is characterized in that following steps are arranged:
(1), earlier cut away by cutting the longitudinal and transverse rib of rib mechanism with rebar surface, knife rest, the blade of cutting rib mechanism are arranged in the head front end along the circumference five equilibrium, and blade is fixed on the knife rest;
(2), the cylindrical die roll with the processing screw thread steel rolls out double end or three-start screw at steel bar end, the cylindrical die roll of processing screw thread steel is two to four, each cylindrical die roll is decided according to the cylindrical die roll number along the axial location of each rolled thread wheel shaft, stagger mutually 0 helical pitch or 1/3,3/4 helical pitch, its each cylindrical die roll contacts with processed reinforcing bar cylindrical synchronously.
Above-mentioned steps (1) is omitted, and removes and cuts rib mechanism, only uses the rolled thread of rolling mechanism, rolls out double end or three head thread.
Beneficial effect: the present invention is a kind of multiple thread reinforcing bar joint that can significantly improve work efficiency, and at the manufacturing installation of end reinforced manufacturing multiple thread reinforcing bar.The present invention produces multiple-threaded reinforcing wire head end reinforced with rolling method, the branch sleeve that connects two reinforcing wire heads also has multiple-internal screw thread, and adapter sleeve or reinforcing bar whenever revolve two or three pitch (corresponding to double end or three-start screw) of can advancing that turn around; Implement manufacturing installation the present invention method of cutting rib and rolling of multiple thread reinforcing bar joint, improve the layout and the axial location of cylindrical die roll in the rolling head, go out two or three-start screw in end reinforced rolling, can be with widely the jumping-up straight thread bar splice of employing and the field machining speed and the reinforcing bar connection speed of rolling straight thread bar splice improve nearly one times in pairs in the market.That is: it is fast again to utilize the present invention not only connection speed can be added, and the field machining speed of reinforcing wire head also can improve nearly one times, and the intensity of bar splice can keep and the parent material of reinforcement rebar equal strength.
The wheelbase of cylindrical die roll and location jockey pulley can be undertaken conveniently by cylindrical die roll gear and worm gear, the worm screw of axle head, adjusted in concert, makes the cylindrical die roll wheelbase satisfy the workpiece requirement.
(4) description of drawings
Fig. 1 is an overall structure schematic diagram of the present invention;
Fig. 2 is the structural representation of rolling head among the present invention;
Fig. 3 is the right view of Fig. 2.
Fig. 4 is that double end thread-rolling cylindrical die roll is arranged schematic diagram;
Fig. 5 is the A-A sectional drawing of Fig. 4;
Fig. 6 is the B-B sectional drawing of Fig. 4;
Fig. 7 is the C-C sectional drawing of Fig. 5;
Fig. 8 is the D-D sectional drawing of Fig. 6.
Fig. 9 is cylindrical die roll and the schematic diagram of locating the jockey pulley relative position;
Figure 10 is the enlarged drawing at E place among Fig. 9.
Figure 11 is that the cylindrical die roll of three-start screw is arranged schematic diagram;
Figure 12 is the shape schematic diagram of cylindrical die roll;
Figure 13 is the schematic diagram that two sections reinforcing bars are connected by the multiple thread sleeve that has internal thread at joint area;
Figure 14 is the multiple-threaded shape schematic diagram of steel bar end;
Figure 15 is the left view of Figure 14.
(5) specific embodiment
Specific embodiment one is referring to Fig. 1, and multiple thread reinforcing bar joint manufacturing installation mainly comprises the rolling head 10 and the head driving mechanism 19 of support 18, processing screw thread steel.
Rolling head 10 in core is referring to Fig. 2, by cutting rib mechanism 1 and comprising that the rolling mechanism 2 of roller box 3 forms.Referring to Fig. 3, cutting knife rest 5, the blade 6 of rib mechanism arranges along the circumference quartering, four blades are positioned at the position that workpiece needs, and rotate the radial position that toolsetting dish 4 can be adjusted knife rest and blade, the vertical rib and the cross rib of reinforcing bar can be cut to required diameter when treating the head rotation.
Referring to Fig. 4,5,6, the rolling mechanism of rolling head is fixed with worm gear 8, worm screw 7 at roller box one end, the external toothing of worm gear 8 and worm screw 7 engagements, cylindrical die roll gear 13 engagements of the ring gear of worm gear 8 and two rolled thread wheel shaft 12 ends evenly arranging, two cylindrical die rolls 11 180 ° of positioned opposite of being separated by.Be accurate positioning, be equipped with two less location jockey pulleys 14 in the interval of two cylindrical die rolls 11, location jockey pulley 14 is through on the jockey pulley axle 15, and an end of axle is equipped with gear 16, cylindrical die roll 11 and location jockey pulley 14 be positioned opposite in pairs, and the axial location of two cylindrical die rolls 11 does not have phase difference; Be used for rolling steel bar end double thread.
The wheelbase of cylindrical die roll and location jockey pulley can be regulated by gear 13,16 and worm gear 8, the worm screw 7 of axle head, utilizes the gear of cylindrical die roll axle head to carry out adjusted in concert simultaneously, makes the cylindrical die roll wheelbase satisfy the workpiece requirement.When roller box 3 when reinforcing bar rotates, cylindrical die roll 11 rotations and around 9 revolution of processed steel bar end can rolling go out desired double thread.When cylindrical die roll 11 had dissimilar tooth form, for example lance tooth, rectangular teeth and round-arced tooth all can go out the double thread of dissimilar tooth form according to above-mentioned principle rolling.
Referring to Fig. 7, the tilt angle theta 1 of rolled thread wheel shaft 12 is consistent with the lead angle of the double thread of processed reinforcing bar,
Referring to Fig. 8, the tilt angle theta of location jockey pulley 14 is also consistent with the lead angle of the double thread of processing reinforcing bar,
Referring to Fig. 9,10, location jockey pulley 14 then staggers by 1/4 helical pitch (helical pitch of double thread equals 2p, and p is a pitch) and the axial location of 3/4 helical pitch and cylindrical die roll 11 respectively the position vertically mutually.
Embodiment two is referring to Figure 11, in roller box 3, the external toothing of worm gear 8 and worm screw 7 engagements, the ring gear of worm gear 8 meshes with the end gear 13 of 11 of three cylindrical die rolls evenly arranging, and three cylindrical die rolls 11 are separated by 120 ° and are evenly arranged, and are identical along the axial location of rolled thread wheel shaft, no phase difference, do not have the location jockey pulley, be used for the rolling of processed steel bar end 9 three-start screws, all the other mechanisms and principle are identical during all with double thread.
Referring to Figure 12, the cylindrical die roll 11 among the present invention is made up of for three sections L1, L2 and L3, and L1 and L3 are the changeover portion of cylindrical die roll screw thread, and L2 is the profiled section of cylindrical die roll screw thread.Cylindrical die roll also can be made up of for two sections one-sided L1 and L2, and tune is used after can at one end being worn and torn by three sections cylindrical die rolls of forming, to improve application life.The gradient of cylindrical die roll screw thread changeover portion should be littler than the single-threaded gradient, and the scope of angle of gradient θ 2 of the present invention can be the 6-18 degree.
Embodiment three is referring to Fig. 4,6, location jockey pulley 14 in roller box 3 changes the cylindrical die roll with cylindrical die roll 11 identical sizes into, and the present position keeps identical with former jockey pulley position vertically, promptly with first pair of cylindrical die roll stagger respectively vertically 1/4 helical pitch and 3/4 helical pitch, other mechanisms are identical with embodiment one, the rolling double thread.The shortcoming of embodiment three is that four cylindrical die roll diameters are identical, and when the less workpiece of rolling diameter, cylindrical die roll can the phase mutual interference.
In use, need by processing, the present invention can be not cut away the vertical rib and the cross rib of Ribbed Bar end yet.
Referring to Figure 13, two sections reinforcing bars are connected by the multiple thread sleeve 17 that has internal thread at joint area.
The end reinforced shape of double thread is referring to Figure 14, Figure 15, and S1 and S2 represent the double thread initiating terminal.
Claims (10)
1, a kind of multiple thread reinforcing bar joint is characterized in that: the end reinforced termination screw thread of making by rolling is a multiple thread, and two sections reinforcing bars are connected by the multiple thread sleeve that has internal thread at joint area.
2, a kind of multiple thread reinforcing bar joint manufacturing installation, mainly comprise support, processing screw thread steel rolling head and head driving mechanism; Its core is the rolling head of processing steel bar end screw thread, it is by cutting rib mechanism and rolling mechanism forms, cut rib mechanism by cutterhead, knife rest and toolsetting dish are formed, knife rest and the blade that is fixed therein are arranged along branches such as cutterhead circumference, rolling mechanism is by cylindrical die roll and worm gear, the worm screw adjusting portion is grouped into, it is characterized in that: cylindrical die roll is two at least, along the circumferential direction evenly arrange, the cylindrical die roll angle of inclination is consistent with the lead angle of the screw thread of processed reinforcing bar, cylindrical die roll is along cylindrical die roll direction of principal axis axial location of living in is identical separately, no phase difference, each cylindrical die roll contacts with processed reinforcing bar cylindrical, rolls out multiple thread at steel bar end.
3, multiple thread reinforcing bar joint manufacturing installation according to claim 2, it is characterized in that: described cylindrical die roll is two, being 180 ° arranges relatively, between two cylindrical die rolls, at interval, two less location jockey pulleys of symmetric arrangement, the location jockey pulley is through on the jockey pulley axle, the jockey pulley gear of jockey pulley shaft end is meshed with the worm gear ring gear, the angle of inclination of two location jockey pulleys is also consistent with the lead angle of processed screw thread steel, axial location then respectively with the axial location of cylindrical die roll stagger mutually 1/4 helical pitch and 3/4 helical pitch, each cylindrical die roll contacts with processed reinforcing bar cylindrical, and rolling goes out double thread.
4, according to claim 2 or 3 described multiple thread reinforcing bar joint manufacturing installations, it is characterized in that: described jockey pulley gear is fan-shaped or circular.
5, multiple thread reinforcing bar joint manufacturing installation according to claim 2, it is characterized in that: described cylindrical die roll is three, be along the circumferential direction 120 ° evenly arrange that the cylindrical die roll axial location is identical, no phase difference, rolling goes out three head thread.
6, multiple thread reinforcing bar joint manufacturing installation according to claim 2, it is characterized in that: described cylindrical die roll is four, being 90 ° evenly arranges along circumference, four cylindrical die roll sizes are identical, the angle of inclination of cylindrical die roll is all consistent with the lead angle of processed screw thread steel, wherein two of 180 ° of positioned opposite cylindrical die rolls are along cylindrical die roll direction of principal axis present position is identical separately, no phase difference, another to two cylindrical die rolls of 180 ° of positioned opposite along cylindrical die roll direction of principal axis present position and first pair of cylindrical die roll axial location separately then stagger mutually 1/4 helical pitch and 3/4 helical pitch, all cylindrical die roll shaft end gear is meshed with the worm gear ring gear, each cylindrical die roll contacts with processed reinforcing bar cylindrical, and rolling goes out double thread.
7, according to claim 3 or 5 or 6 described multiple thread reinforcing bar joint manufacturing installations, it is characterized in that: the profile of tooth of described cylindrical die roll is lance tooth, rectangular teeth or round-arced tooth.
8, according to claim 3 or 5 or 6 described multiple thread reinforcing bar joint manufacturing installations, it is characterized in that: described cylindrical die roll outer rim is formed by two sections to three sections vertically, one end or two ends are that the gradient is the changeover portion of 10～18 degree, and the centre is the active section of standard tooth form.
9, a kind of manufacture method of multiple thread reinforcing bar joint is characterized in that following steps are arranged:
(1), earlier cut away by cutting the longitudinal and transverse rib of rib mechanism with rebar surface, knife rest, the blade of cutting rib mechanism are arranged in the head front end along the circumference five equilibrium, and blade is fixed on the knife rest;
(2), the cylindrical die roll with the processing screw thread steel rolls out double end or three-start screw at steel bar end, the cylindrical die roll of processing screw thread steel is two to four, each cylindrical die roll is decided according to the cylindrical die roll number along the axial location of each rolled thread wheel shaft, stagger mutually 0 helical pitch or 1/3,3/4 helical pitch, its each cylindrical die roll contacts with processed reinforcing bar cylindrical synchronously.
10, the manufacture method of multiple thread reinforcing bar joint according to claim 8 is characterized in that: described step (1) is omitted, and removes and cuts rib mechanism, only uses the rolled thread of rolling mechanism, rolls out double end or three head thread.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410047901 CN1267613C (en) | 2004-06-10 | 2004-06-10 | Multihead threading reinforcing bar joint, producer and producing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410047901 CN1267613C (en) | 2004-06-10 | 2004-06-10 | Multihead threading reinforcing bar joint, producer and producing method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1584247A true CN1584247A (en) | 2005-02-23 |
| CN1267613C CN1267613C (en) | 2006-08-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200410047901 Expired - Fee Related CN1267613C (en) | 2004-06-10 | 2004-06-10 | Multihead threading reinforcing bar joint, producer and producing method thereof |
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| CN (1) | CN1267613C (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103264128A (en) * | 2013-02-25 | 2013-08-28 | 肖肖 | Hand-held electric thread rolling machine |
| CN105414420A (en) * | 2015-12-19 | 2016-03-23 | 天津安讯达科技有限公司 | Device and method for rolling screw thread on spiral wrinkle radio frequency cable outer conductor |
| CN106623705A (en) * | 2016-05-10 | 2017-05-10 | 孙永林 | Reinforcing wire head axial rolling machine device |
| WO2018099403A1 (en) * | 2016-11-29 | 2018-06-07 | 上海泛华紧固系统有限公司 | Method and apparatus for stock rolling feeding, diameter reduction, alignment and derusting and product thereof |
| CN110303106A (en) * | 2019-08-16 | 2019-10-08 | 诸暨市诺达机械科技有限公司 | A kind of auxiliary bar sleeve arrangement |
| CN110814239A (en) * | 2019-10-31 | 2020-02-21 | 西安交通大学 | Multi-die synchronous rolling forming method for large-diameter internal tooth profile |
| CN112139411A (en) * | 2020-09-02 | 2020-12-29 | 西安交通大学 | Reinforcing bar end screw thread rolling mechanism for building |
-
2004
- 2004-06-10 CN CN 200410047901 patent/CN1267613C/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103264128A (en) * | 2013-02-25 | 2013-08-28 | 肖肖 | Hand-held electric thread rolling machine |
| CN103264128B (en) * | 2013-02-25 | 2015-12-02 | 武汉市燃气热力规划设计院有限公司 | Hand electric screw-rolling machine |
| CN105414420A (en) * | 2015-12-19 | 2016-03-23 | 天津安讯达科技有限公司 | Device and method for rolling screw thread on spiral wrinkle radio frequency cable outer conductor |
| CN106623705A (en) * | 2016-05-10 | 2017-05-10 | 孙永林 | Reinforcing wire head axial rolling machine device |
| CN106623705B (en) * | 2016-05-10 | 2019-09-24 | 孙永林 | Axial rolling steel bar head machine device |
| WO2018099403A1 (en) * | 2016-11-29 | 2018-06-07 | 上海泛华紧固系统有限公司 | Method and apparatus for stock rolling feeding, diameter reduction, alignment and derusting and product thereof |
| CN110303106A (en) * | 2019-08-16 | 2019-10-08 | 诸暨市诺达机械科技有限公司 | A kind of auxiliary bar sleeve arrangement |
| CN110814239A (en) * | 2019-10-31 | 2020-02-21 | 西安交通大学 | Multi-die synchronous rolling forming method for large-diameter internal tooth profile |
| CN112139411A (en) * | 2020-09-02 | 2020-12-29 | 西安交通大学 | Reinforcing bar end screw thread rolling mechanism for building |
| CN112139411B (en) * | 2020-09-02 | 2022-08-05 | 西安交通大学 | Reinforcing bar end screw thread rolling mechanism for building |
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| Publication number | Publication date |
|---|---|
| CN1267613C (en) | 2006-08-02 |
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Owner name: JIANYAN TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: DING FANGRU Effective date: 20081017 |
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Effective date of registration: 20081017 Address after: No. 21, Jiuxianqiao Road, Beijing, Chaoyang District Patentee after: CABR Technology Co., Ltd. Address before: No. 30, Third Ring Road, Beijing Patentee before: Ding Fangru |
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Granted publication date: 20060802 Termination date: 20190610 |
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