CN102900201B - Manufacture mold and manufacture method of grouting anchor reinforced bar connection sleeve - Google Patents
Manufacture mold and manufacture method of grouting anchor reinforced bar connection sleeve Download PDFInfo
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- CN102900201B CN102900201B CN201210406016.3A CN201210406016A CN102900201B CN 102900201 B CN102900201 B CN 102900201B CN 201210406016 A CN201210406016 A CN 201210406016A CN 102900201 B CN102900201 B CN 102900201B
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Abstract
The invention relates to a reinforced bar sleeve grouting anchor connecting piece of a prefabricated component, belongs to the technical field of construction engineering, and particularly relates to a grouting anchor reinforced bar connection sleeve as well as a manufacture mold and a manufacture method thereof. The grouting anchor reinforced bar connection sleeve comprises a sleeve body, a through hole, an elastic rubber sealing ring, an opening end, a fixed end, a sleeve groove, a sleeve protruded rib, a grouting material feeding hole and a grouting material discharge hole. The assembly type grouting anchor reinforced bar connection sleeve for a building is manufactured through a mechanical extrusion mode by using seamless steel pipes as raw materials, so that the connection performance and the performance-price ratio of the connection sleeve meet or exceed those of the corresponding cast steel, cast iron or machined connection sleeves; the grouting anchor reinforced bar connection sleeve is used for single reinforced bar connection and reinforced bar connection of the assembly type concrete building prefabricated components, and the connection ends of two connection reinforced bars form a connection body through the connection sleeve and hardened cement mortar grouted into an inner gap of the connection sleeve; the grouting anchor reinforced bar connection sleeve can be used for enabling the single reinforced bars or the connected reinforced bars of the two components to be in butt connection with equal strength and without welding and wet constructing.
Description
Technical field
The present invention relates to the reinforced bar sleeve slurry anchor connector of monomer reinforcing bar and prefabricated units, belong to construction engineering technical field, be specially a kind of slurry anchor formula reinforcing steel bar connecting sleeve tube and mfg. moulding die thereof and manufacture method.
Background technology
In traditional cast-in-place concrete structure, the connection of reinforcing bar adopts overlap joint to connect more, be welded to connect or the mechanical joining methods such as compression sleeve, the construction of bar connecting is comparatively complicated, and must complete the connection of reinforcing bar before fluid concrete, can not carry out fabricated construction.
Existing reinforcing steel bar connecting sleeve tube is steel-casting, ironcasting, and the machine cut mode workpiece of rod iron or thick walled steel tube, and concerning the existing machining status of China, to reach corresponding technical requirements, processing and fabricating cost is all higher.
Summary of the invention
The object of the present invention is to provide and a kind ofly carry out the slurry anchor formula reinforcing steel bar connecting sleeve tube of anchoring and mfg. moulding die thereof and manufacture method by cement injection mortar, be mainly used in the bar connecting between monomer bar connecting and assembly concrete building prefabricated components.The butt end of two connecting reinforcements by branch sleeve and pour into its internal voids hardened cement mortar in conjunction with formation connector.This connector does not need welding, does not need wet construction, and the reinforcing bar connected in monomer reinforcing bar or two components is reached wait to dock by force.
Technical scheme of the present invention is:
A kind of slurry anchor formula reinforcing steel bar connecting sleeve tube, slurry anchor formula reinforcing steel bar connecting sleeve tube comprises: sleeve body, through hole, elastic rubber sealing ring, openend, fixed end, sleeve recess, sleeve rib, grouting material plup inlet, grouting material discharge opening, have through hole in sleeve body, elastic rubber sealing ring is equipped with at the through hole two ends in sleeve body; One end of sleeve body is the openend for connecting rear insertion reinforcing bar, and the other end of sleeve is the fixed end for connecting embedded bar having centre bore; The sleeve body external surface of reinforcing steel bar connecting sleeve tube vertically with circumferencial direction by being interval with sleeve recess, the sleeve body inner surface of reinforcing steel bar connecting sleeve tube vertically with circumferencial direction by being interval with sleeve rib; The sleeve rib along the circumferential direction discontinuous distribution of reinforced bar jointing sleeve tube inner surface, outer wall one end, side of sleeve body has grouting mouth, and the side outer wall other end of sleeve body has exhaust grout outlet.
Described slurry anchor formula reinforcing steel bar connecting sleeve tube, sleeve rib is wedge shape, and position and the shape of sleeve recess and sleeve rib are corresponding, sleeve rib be in a circumferential direction two to six uniform.
Described slurry anchor formula reinforcing steel bar connecting sleeve tube, sleeve recess and sleeve rib width along the circumferential direction, is no more than the width of flat circular portion between sleeve recess and sleeve rib.
Described slurry anchor formula reinforcing steel bar connecting sleeve tube, sleeve body is that mild steel seamless steel pipe radial compression is shaping.
For starching the mfg. moulding die of anchor formula reinforcing steel bar connecting sleeve tube, extrusion die comprises die head, core, and the shape of die head, core is corresponding with interactively, forms the moulding form of sleeve recess and sleeve rib compartment.
Described mfg. moulding die, core comprises core groove, core fin, core termination, core cylinder, the external surface of core cylinder vertically with circumferencial direction by being interval with core fin, form core groove between the core fin of circumferencial direction, one end of core cylinder is core termination.
Described mfg. moulding die, core fin is wedge shape, and the core fin outer rim of circumferencial direction is arc, and the internal diameter of this arc diameter and sleeve body matches, the core fin of circumferencial direction be two to six uniform.
Described mfg. moulding die, die head comprises die head fin, die head cylinder, die head extruding position, die head initial bit, and side is by being interval with die head fin vertically for the external surface of die head cylinder, and the outer rim of die head fin is arc; Before extruding, at die head initial bit place, die head fin is corresponding with the core groove of core; After extruding, at die head extruding position place, die head fin is corresponding with the core groove of core.
Utilize the manufacture method of the slurry anchor formula reinforcing steel bar connecting sleeve tube of described mfg. moulding die, comprise the steps:
(1) process former material and adopt general mild steel seamless steel pipe;
(2) extrusion die radial compression manufacturing process is adopted, the processing sleeve recess of sleeve outer surface and the sleeve rib of inner surface;
(3) complete extruded after, extract after the core of extrusion die turns 90 ~ 30 degree of angles.
The manufacture method of described slurry anchor formula reinforcing steel bar connecting sleeve tube, extrusion shapes, the degree of depth press sleeve series and corresponding seamless pipe wall thickness and different, and the degree of depth of sleeve outer surface sleeve recess and the height of inner surface sleeve rib are at 1 ~ 10mm; The columns of external surface sleeve recess and inner surface sleeve rib is 2 ~ 6 row.
The invention has the beneficial effects as follows:
The present invention adopts the reinforcing bar of slurry anchor formula reinforcing steel bar connecting sleeve tube to monomer reinforcing bar or prefabricated assembled concrete component to connect.Be characterized in the sleeve of same diameter series bar connecting and close diameter series bar connecting, the sleeve that general mild steel seamless steel pipe is made by dedicated extruded mould and mechanical presses mode, particular manufacturing craft has the sleeve of identical machining feature by the different series that corresponding connected piece dimension series is set up, and adopts the reinforcing steel bar connecting sleeve tube manufacture method of general mild steel seamless steel pipe, special inside and outside extrusion die and mechanical presses mode.Compare with the rod iron of domestic current employing with the cast iron abroad adopted, the present invention adopts seamless steel pipe, and not only intensity is high, good toughness, and steady quality, and material usage is few; Adopt radial to compacting fabrication technique, compare with domestic rod iron Cutting Process with external casting technique, mechanization degree is high, and processing capacity is few, and production efficiency is high, thus can significantly reduce sleeve cost.
Accompanying drawing explanation
Fig. 1 (a)-(b): sleeve schematic diagram of the present invention.Wherein, Fig. 1 (a) is front view; Fig. 1 (b) is A-A sectional drawing in Fig. 1 (a).
Fig. 2 (a)-(f): mould schematic diagram of the present invention.Wherein, Fig. 2 (a) is core front view; Fig. 2 (b) is core left view; Fig. 2 (c) is the one-sided figure of core; Fig. 2 (d) is die head front view; Fig. 2 (e) is die head left view; Fig. 2 (f) is die head list only one-sided figure.
Fig. 3 (a)-(c): machining sketch chart of the present invention.Wherein, Fig. 3 (a) is mould one-sided compression front view; Fig. 3 (b) is state before extruding; Fig. 3 (c) is state after extruding.
Fig. 4: bar connecting schematic diagram of the present invention.
In figure, 1 sleeve body; 2 through holes; 3 elastic rubber sealing rings; 4 openends; 5 fixed ends; 6 sleeve recess; 7 sleeve rib; 8 grouting material plup inlets (grouting mouth); 9 grouting material discharge openings (exhaust grout outlet); 10 cores; 11 core grooves; 12 core fins; 13 core terminations; 14 core cylinders; 15 die heads; 16 die head fins; 17 die head cylinders; 18 die head extruding positions; 19 die head initial bit; 20 are connected indented bars.
Detailed description of the invention
As shown in Fig. 1 (a)-(b), slurry anchor formula reinforcing steel bar connecting sleeve tube mainly comprises: sleeve body 1, through hole 2, elastic rubber sealing ring 3, openend 4, fixed end 5, sleeve recess 6, sleeve rib 7, grouting material plup inlet (grouting mouth) 8, grouting material discharge opening (exhaust grout outlet) 9 etc., sleeve body 1 is that mild steel seamless steel pipe radial compression is shaping, have through hole 2 in sleeve body 1, elastic rubber sealing ring 3 is equipped with at the through hole two ends in sleeve body 1; One end of sleeve body 1 is openend 4, after connecting, insert reinforcing bar; The other end of sleeve body 1 is the fixed end 5 having centre bore, for connecting embedded bar; Sleeve body 1 external surface of reinforcing steel bar connecting sleeve tube is provided with sleeve recess 6 at regular intervals with circumferencial direction vertically, increases the adhesion strength of sleeve outer surface and surrounding concrete; Sleeve body 1 inner surface of reinforcing steel bar connecting sleeve tube is provided with sleeve rib 7 at regular intervals with circumferencial direction vertically, to ensure the adhesion strength of sleeve interior surface and cement mortar; The sleeve rib 7 along the circumferential direction discontinuous distribution of reinforced bar jointing sleeve tube inner surface, to ensure the smoothness of being in the milk in sleeve and not easily air entrapment; Outer wall one end, side of sleeve body 1 has grouting mouth 8, and the side outer wall other end of sleeve body 1 has exhaust grout outlet 9.
In the present embodiment, sleeve rib 7 is wedge shape, and position and the shape of sleeve recess 6 and sleeve rib 7 are corresponding, be in a circumferential direction three uniform.
As shown in Fig. 2 (a)-(c), core 10 comprises core groove 11, core fin 12, core termination 13, core cylinder 14 etc., the external surface of core cylinder 14 is provided with core fin 12 at regular intervals with circumferencial direction vertically, core groove 11 is formed between the core fin 12 of circumferencial direction, one end of core cylinder 14 is core termination 13, the effect of core termination 13 is that jig clamps this place, rotates and takes out depoling mould.In the present invention, core groove 11 pointed location is: the flat circular portion between sleeve recess row and sleeve rib row.
In the present embodiment, the core fin 12 of circumferencial direction be three uniform.Core fin 12 is wedge shape, and core fin 12 outer rim of circumferencial direction is arc, and the internal diameter of this arc diameter and sleeve body 1 matches.
As shown in Fig. 2 (d)-(f) He Fig. 3, die head 15 comprises die head fin 16, die head cylinder 17, die head extruding position 18, die head initial bit 19 etc., the external surface of die head cylinder 17 is provided with die head fin 16 in side vertically at regular intervals, and the outer rim of die head fin 16 is arc.Before extruding, at die head initial bit 19 place, die head fin 16 is corresponding with the core groove 11 of core 10.After extruding, at die head extruding position 18 place, die head fin 16 is corresponding with the core groove 11 of core 10.
As shown in Fig. 3 (a)-(c), extrusion die comprises die head 15, core 10, the shape of die head 15, core 10 is corresponding with interactively, form the moulding form of sleeve recess and sleeve rib compartment, sleeve forming can be made accurate, withdrawing pattern is simple and easy, and can ensure that the rigidity connected is within control range.The distribution of sleeve forming convex-concave is evenly radial, makes connector uniform force.Owing to adopting die type extrusion process, sleeve internal projection accurately can control the connection request of the reinforcing bar meeting different-diameter and intensity.For ensureing working ability, mould adopts (high carbon alloy) tool steel material and after completing shape processing, carries out surface high frequency Quenching Treatment (thickness is at 0.2 ~ 0.5mm).
Extrusion shapes, the degree of depth press sleeve series and corresponding seamless pipe wall thickness and different, the degree of depth of sleeve outer surface sleeve recess 6 and inner surface sleeve rib 7(abbreviation surface relief) height at 1 ~ 10mm.
External surface sleeve recess 6 and inner surface sleeve rib 7(are called for short surface relief) columns (number along the circumferential direction) can be 2 ~ 6 row.Complete extruded after, core can be extracted after turning 90 ~ 30 degree of angles.Be 3 row in embodiment illustrated in fig. 3, complete extruded after, core is extracted after turning 60 degree of angles.
Grouting material plup inlet (grouting mouth) 8, grouting material discharge opening (exhaust grout outlet) 9 after sleeve extruding is shaping, then go out by different connection dimension series of cuts without extruding prominence at sleeve, and welding or thread pipe joint.Sleeve two-port processes caliber size by difference requirement and after arranging sealing ring, sleeve completes.
As shown in Figure 4, use reinforcing steel bar connecting sleeve tube of the present invention to carry out reinforcing bar etc. and dock by force connection, one end of sleeve body 1 is the openend 4 for connecting rear insertion reinforcing bar, and the other end of sleeve body 1 is the fixed end 5 for connecting embedded bar having centre bore; Be connected indented bars 20(and insert reinforcing bar) enter sleeve body 1 from openend 4, dock with embedded bar, inject cement mortar by grouting material plup inlet (grouting mouth) 8, after cement mortar is full of, discharge through grouting material discharge opening (exhaust grout outlet).
In figure, following symbol represents respectively:
Spacing between a sleeve recess 6 or between sleeve rib 7 or between core fin 12 or between die head fin 16;
The upper surface of b core fin 12 is along the width in sleeve axis direction;
The upper surface of b2 die head fin 16 is along the width in sleeve axis direction;
The upper surface of c core fin 12 and the side stand out of soffit;
The upper surface of c2 die head fin 16 and the side stand out of soffit;
The external diameter of D sleeve body 1;
The external diameter of D1 core fin 12 circumferencial direction;
The external diameter of D2 core termination 13;
The external diameter of D3 die head fin 16;
H core fin 12 width along the circumferential direction;
H1 die head fin 16 width along the circumferential direction;
The diameter of d1 core cylinder 14;
The diameter of d2 die head cylinder 17;
The internal diameter of d4 grouting material plup inlet (grouting mouth) 8 or grouting material discharge opening (exhaust grout outlet) 9;
The internal diameter after elastic rubber sealing ring 3 is installed in d ' openend 4;
" fixed end 5 installs the internal diameter after elastic rubber sealing ring 3 to d;
Root spacing between e die head fin 16;
The length of L sleeve body 1;
The length of L1 core 10;
The length of L2 die head 15;
L3 inserts the length of reinforcing bar at sleeve body 1;
L4 embedded bar is in the length of sleeve body 1;
The distance of L5 grouting material plup inlet (grouting mouth) 8 center lines and openend 4;
The distance of L6 grouting material discharge opening (exhaust grout outlet) 9 center lines and openend 4;
The upper surface of t core fin 12 and the opposite side stand out of soffit;
The upper surface of t2 die head fin 16 and the opposite side stand out of soffit;
In the present invention, the manufacture method of reinforcing steel bar connecting sleeve tube: process former material and adopt general mild steel seamless steel pipe; Adopt the radial compression manufacturing process processing sleeve recess 6 of sleeve outer surface and the sleeve rib 7 of inner surface; Sleeve recess 6 and sleeve rib 7 width are along the circumferential direction no more than the width of flat circular portion between sleeve recess 6 and sleeve rib 7, to guarantee rotary core pulling.
Embodiment result shows, the present invention's universal seamless steel pipe is that former material is by mechanical presses mode, make monomer reinforcing bar or assembled architecture member reinforcing steel bar connection grouting anchoring type reinforcing steel bar connecting sleeve tube, make switching performance, branch sleeve that cost performance meets or exceeds corresponding cast steel, cast iron or machining type.Its processing, making are simpler, convenient and efficient, are easy to control product quality.
Claims (6)
1. starch a mfg. moulding die for anchor formula reinforcing steel bar connecting sleeve tube, it is characterized in that, extrusion die comprises die head, core, and the shape of die head, core is corresponding with interactively, forms the moulding form of sleeve recess and sleeve rib compartment;
Core comprises core groove, core fin, core termination, core cylinder, the external surface of core cylinder vertically with circumferencial direction by being interval with core fin, form core groove between the core fin of circumferencial direction, one end of core cylinder is core termination;
Core fin is wedge shape, and the core fin outer rim of circumferencial direction is arc, and the internal diameter of this arc diameter and sleeve body matches, the core fin of circumferencial direction be two to six uniform;
Die head comprises die head fin, die head cylinder, die head extruding position, die head initial bit, and side is by being interval with die head fin vertically for the external surface of die head cylinder, and the outer rim of die head fin is arc; Before extruding, at die head initial bit place, die head fin is corresponding with the core groove of core; After extruding, at die head extruding position place, die head fin is corresponding with the core groove of core;
Slurry anchor formula reinforcing steel bar connecting sleeve tube comprises: sleeve body, through hole, elastic rubber sealing ring, openend, fixed end, sleeve recess, sleeve rib, grouting material plup inlet, grouting material discharge opening, have through hole in sleeve body, elastic rubber sealing ring is equipped with at the through hole two ends in sleeve body; One end of sleeve body is the openend for connecting rear insertion reinforcing bar, and the other end of sleeve is the fixed end for connecting embedded bar having centre bore; The sleeve body external surface of reinforcing steel bar connecting sleeve tube vertically with circumferencial direction by being interval with sleeve recess, the sleeve body inner surface of reinforcing steel bar connecting sleeve tube vertically with circumferencial direction by being interval with sleeve rib; The sleeve rib along the circumferential direction discontinuous distribution of reinforced bar jointing sleeve tube inner surface, outer wall one end, side of sleeve body has grouting mouth, and the side outer wall other end of sleeve body has exhaust grout outlet.
2. according to the mfg. moulding die of slurry anchor formula reinforcing steel bar connecting sleeve tube according to claim 1, it is characterized in that, sleeve rib is wedge shape, and position and the shape of sleeve recess and sleeve rib are corresponding, sleeve rib be in a circumferential direction two to six uniform.
3., according to the mfg. moulding die of slurry anchor formula reinforcing steel bar connecting sleeve tube according to claim 1, it is characterized in that, sleeve recess and sleeve rib width along the circumferential direction, is no more than the width of flat circular portion between sleeve recess and sleeve rib.
4. according to the mfg. moulding die of slurry anchor formula reinforcing steel bar connecting sleeve tube according to claim 1, it is characterized in that, sleeve body is that mild steel seamless steel pipe radial compression is shaping.
5. utilize a manufacture method for the slurry anchor formula reinforcing steel bar connecting sleeve tube of mfg. moulding die described in claim 1, it is characterized in that, comprise the steps:
(1) process former material and adopt general mild steel seamless steel pipe;
(2) extrusion die radial compression manufacturing process is adopted, the processing sleeve recess of sleeve outer surface and the sleeve rib of inner surface;
(3) complete extruded after, extract after the core of extrusion die turns 90 ~ 30 degree of angles.
6. according to the manufacture method of slurry anchor formula reinforcing steel bar connecting sleeve tube according to claim 5, it is characterized in that, extrusion shapes, the degree of depth press sleeve series and corresponding seamless pipe wall thickness and different, and the degree of depth of sleeve outer surface sleeve recess and the height of inner surface sleeve rib are at 1 ~ 10mm; The columns of external surface sleeve recess and inner surface sleeve rib is 2 ~ 6 row.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210406016.3A CN102900201B (en) | 2012-10-22 | 2012-10-22 | Manufacture mold and manufacture method of grouting anchor reinforced bar connection sleeve |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210406016.3A CN102900201B (en) | 2012-10-22 | 2012-10-22 | Manufacture mold and manufacture method of grouting anchor reinforced bar connection sleeve |
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| CN102900201A CN102900201A (en) | 2013-01-30 |
| CN102900201B true CN102900201B (en) | 2015-07-08 |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104314240A (en) * | 2014-11-23 | 2015-01-28 | 沈阳建筑大学 | Grouting anchor type rebar connection sleeve and manufacturing method thereof |
| CN105926469B (en) * | 2016-05-24 | 2017-10-03 | 舟山市宏达交通工程有限责任公司 | The bridge strengthening device and technique of built-in reinforcement |
| CN108724440A (en) * | 2018-07-10 | 2018-11-02 | 江苏金贸科技发展有限公司 | Slip casting sleeve blind hole spiral mould when wallboard reserved steel bar connects |
| CN108678145A (en) * | 2018-07-21 | 2018-10-19 | 李藏柱 | Sleeve, prefabricated components connector, prefabricated components and prefabricated components assembly |
| CN108661244A (en) * | 2018-08-01 | 2018-10-16 | 阳光学院 | A kind of reinforced bar sleeve connector |
| CN112049331A (en) * | 2020-09-08 | 2020-12-08 | 衡阳市伟力钢筋机械有限公司 | A reinforcing bar mechanical connection sleeve for assembled concrete is connected by force |
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| US3852987A (en) * | 1972-03-18 | 1974-12-10 | Gen Motors Corp | Forming transverse corrugations in a tubular blank |
| FR2203685A1 (en) * | 1972-10-19 | 1974-05-17 | Lechevallier Maurice | |
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Effective date of registration: 20180207 Address after: Nong'an County Helong town in Jilin province 130216 Changchun Hexing Street No. 99 Helong Economic Development Zone Office Building Room 201 Patentee after: Jilin long hair building industrialization Co., Ltd. Address before: 110168 Liaoning province Shenyang Hunnan Hunnan Road No. 9 Patentee before: Shenyang Building Univ. |