CN106863766A - A kind of thermoplastic FRP muscle bending device - Google Patents

A kind of thermoplastic FRP muscle bending device Download PDF

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Publication number
CN106863766A
CN106863766A CN201710206047.7A CN201710206047A CN106863766A CN 106863766 A CN106863766 A CN 106863766A CN 201710206047 A CN201710206047 A CN 201710206047A CN 106863766 A CN106863766 A CN 106863766A
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CN
China
Prior art keywords
frp muscle
rotating mechanism
fixed
sliding block
guide rail
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CN201710206047.7A
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Chinese (zh)
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CN106863766B (en
Inventor
张建华
官成宇
刘书建
林佳悦
杨思远
佟丽莉
杨浩
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Harbin Engineering University
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Harbin Engineering University
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C53/00Shaping by bending, folding, twisting, straightening or flattening; Apparatus therefor
    • B29C53/02Bending or folding
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C53/00Shaping by bending, folding, twisting, straightening or flattening; Apparatus therefor
    • B29C53/80Component parts, details or accessories; Auxiliary operations
    • B29C53/84Heating or cooling

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Shaping Of Tube Ends By Bending Or Straightening (AREA)

Abstract

The present invention provides a kind of thermoplastic FRP muscle bending device, including fixed mechanism, rotating mechanism, sliding block, heater and cooler.Clockwork spring is provided between the fixed mechanism and rotating mechanism, guide rail passes through fixed mechanism and sliding block, guide rail two ends pedestal is fixed on workbench, stepper motor passes through screw mandrel drive control sliding block, rotating mechanism and fixed mechanism can occur translation and rotation in the presence of sliding block, FRP muscle is moved between heater and cooler by translation, FRP muscle is bent by rotating, bending angle is 0 degree to 90 degree.The present invention has high degree of automation, and machining accuracy is high, simple to operate, to workmen, the low advantage of site requirements.

Description

A kind of thermoplastic FRP muscle bending device
Technical field
The present invention relates to a kind of fibrous composite process equipment, more particularly to a kind of thermoplastic FRP muscle bending device.
Background technology
Fibre reinforced composites (Fiber Reinforced Polymer, abbreviation FRP), be by continuous fiber material with Compound the formed high performance material of matrix resin, FRP muscle is one kind of its product form.FRP muscle is used in concrete structure Substitute reinforcing bar can play its high-strength light, it is corrosion-resistant, antifatigue, nonmagnetic the advantages of, especially in acid, alkali salt, humidity etc. Under adverse circumstances, the infringement that steel bar corrosion can be avoided to bring structure reduces structural maintenance expense, and extending structure uses the longevity Life.
At present, it is used for reinforcing or strengthen used FRP muscle generally in civil engineering using continuous lod thermosetting Property resin composite materials, but thermosetting FRP muscle is not the characteristics of have post forming, mostly prefabricated components, at the construction field (site) without Method carries out secondary operation, and the muscle (such as stirrup) in Practical Project generally needs for FRP muscle to bend 45 degree or 90 degree.In addition, Research and experiment show that the tensile strength of thermosetting FRP muscle bending place can be significantly reduced.Therefore, in order to allow FRP muscle in concrete Range of application is wider, it is necessary to solve the problems, such as the bending of FRP muscle in engineering.
Relative to heat cured FRP material, thermoplastic FRP material is the another kind of composite wood based on thermoplastic resin production Material, in addition to high-strength light, good endurance, is also equipped with after heating carrying out the advantage of post forming.Using thermoplastic FRP pultrusion into Type technology can produce continuous pultrusion rod, and local bending can be carried out after being heated to it, can repeatedly be processed.Thermoplasticity The mechanical property of materials is good, process velocity is fast, can be prefabricated in the factory, it is also possible to which processing meets at the scene particular/special requirement form Muscle (stirrup in such as concrete), if mechanization control can be realized during bending, the quality of product, precision can be more Height, reliability can be more preferable.Therefore, it is contemplated that a kind of apparatus that can bend thermoplastic FRP muscle of invention and technique side Method.
The content of the invention
The invention aims to provide a kind of thermoplastic FRP muscle bending device, realized by device of the invention FRP muscle processing sections are heated near fusing point, and machine-shaping is cooled down after bending.By mechanical device, driving equipment and Numeric Control Technology Realize the bending of FRP muscle.With simple to operate, crudy it is good, be easy to site operation, low cost the characteristics of.
The object of the present invention is achieved like this:Two pairs of guide rail fixed pedestals are set on the table, and two pairs of guide rails are fixed Having heaters and cooler are respectively provided with workbench between pedestal, and heater is located at workbench end, cooler and is located at Workbench centre position, is respectively provided with two guide rails and two No. two guide rails, two one between two pairs of guide rail fixed pedestals It is provided with fixed mechanism, two No. two guide rails on number guide rail and is provided with rotating mechanism, stepper motor is additionally provided with workbench, The output end of stepper motor is connected with leading screw, and leading screw is located between two No. two guide rails and by corresponding guide rail fixed pedestal branch Support, is provided with the guide rail hole coordinated with No. two guide rails on sliding block, sliding block is provided with leading screw, and upper end of slide block face is provided with guiding Bar, the rotating mechanism is provided with gathering sill by lower surface and rotating mechanism is realized by the cooperation with gathering sill and guide post With the connection of sliding block, rotating mechanism side is provided with connecting hole, upper end and is provided with bending baffle plate, the fixed mechanism side setting There is connecting rod and fixed mechanism is by connecting rod and the cooperation realization of connecting hole and the connection of rotating mechanism, fixed structure upper end sets FRP muscle fixing grooves are equipped with, the fixed mechanism that restricted fixed mechanism displacement is set on the workbench between a guide rail is spacing Device, is additionally provided with the fire end limiter and colling end limiter of limitation slider displacement, fire end limiter on the workbench Side with colling end limiter is respectively positioned on rotating mechanism, is additionally provided with clockwork spring between fixed mechanism and rotating mechanism.
Present invention additionally comprises such some architectural features:
1. bolt hole is also evenly arranged with the end face of fixed mechanism described in, regulation FRP muscle is provided with each bolt hole The fixing bolt of fixed well width.
2. heater is the pipeline configuration of c-type, and pipeline configuration is made up of heat-insulating material, pipeline configuration inside equipped with blower fan, Heating wire, thermometer.
Compared with prior art, the beneficial effects of the invention are as follows:1st, the present invention sets between fixed mechanism and rotating mechanism Clockwork spring is put, rotating mechanism will not be rotated during translation between heater and cooler to make FRP muscle, so as to can guarantee that The linear state of FRP muscle before bending, it is ensured that FRP muscle bends quality.2nd, by the relative rotation of rotating mechanism and fixed mechanism come FRP muscle is bent, mechanical deflection high precision, Traditional Man can be avoided to bend the error for producing,.3rd, the present invention uses step The movement and then traction rotating mechanism generation translation and rotation, whole process FRP of the screw mandrel control slide block that stepper motor drives Muscle uniform force, bending speed and bending angle are controllable.4th, by the translation between heater and cooler, realize to FRP muscle Quick heating and cooling, while the heater of c-type can be constant with keeping temperature, save electric power, improve the efficiency of heating surface.5th, this hair Bright plant automation degree is high, simple to operate, low to workmen, site requirements, can make at the construction field (site), meets construction Bending requirement of the scene to special shape FRP muscle.
Brief description of the drawings
Fig. 1 is FRP muscle bending device axonometric drawing of the invention;
Fig. 2 is FRP muscle heated condition schematic diagram of the invention;
Fig. 3 starts bending sketch map for FRP muscle of the invention;
Fig. 4 is 45 degree of bending sketch maps of FRP muscle of the invention;
Fig. 5 is 90 degree of bending sketch maps of FRP muscle of the invention;
Fig. 6 is fixed mechanism detail drawing of the invention;
Fig. 7 is rotating mechanism detail drawing of the invention;
Fig. 8 is sliding block detail drawing of the invention;
Fig. 9 is heater detail drawing of the invention;
In figure:1 is fixed mechanism;2 is rotating mechanism;3 is clockwork spring;4 is sliding block;5 is guide rail;6 is screw mandrel;7 are Stepper motor;8 is fixed mechanism limiter;9 is heater;10 is cooler;11 is fixing bolt;12 is guide rail fixed base Seat;13 is workbench;14 is control cabinet;15 is the FRP muscle not bent;16 is 45 degree of FRP muscle of bending;17 is 90 degree of bendings FRP muscle;18 is guide rail hole;19 is bolt hole;20 is connecting rod;21 is FRP muscle fixing grooves;22 is connecting hole;23 keep off for bending Plate;24 is gathering sill;25 is screw hole;26 is guide post;27 is fire end limiter;28 is colling end limiter.
Specific embodiment
The present invention is described in further detail with specific embodiment below in conjunction with the accompanying drawings.
With reference to Fig. 1 to Fig. 9, a kind of thermoplastic FRP muscle bending device of the invention, including fixed mechanism 1, rotating mechanism 2, Sliding block 4, heater 9 and cooler 10.Clockwork spring 3 is provided between fixed mechanism 1 and rotating mechanism 2, guide rail 5 is passed through to be fixed Mechanism 1 and sliding block 4, the two ends pedestal 12 of guide rail 5 are fixed on workbench 13, and stepper motor 7 is slided by the drive control of screw mandrel 6 Block 4, rotating mechanism 2 and fixed mechanism 1 can occur translation and rotation in the presence of sliding block 4, and FRP muscle is made in heating by translation Moved between device 9 and cooler 10, FRP muscle is bent by rotating.
The fixed mechanism 1 moves along a straight line along guide rail 5;Bolt hole 19 is provided with the side of fixed mechanism 1, it is solid for installing Determine bolt 11;The width of FRP muscle fixing groove 21 can be controlled by adjusting fixing bolt 11;Fixed mechanism 1 sets connecting rod 20 It is connected with rotating mechanism 2, two guide rail holes is provided with fixed mechanism bottom, guide rail is extended there through, and fixed mechanism does directly along guide rail Line is moved.
There is connecting hole 22 on the rotating mechanism 2, connecting hole 22 and connecting rod 20 are connected, and rotating mechanism 2 can be around connecting rod 20 are rotated, and bending baffle plate 23 is set on rotating mechanism 2;Rotating mechanism 2 is connected by gathering sill 24 with sliding block 4.
The clockwork spring is arranged in connecting rod, and the clockwork spring 3 is connected mechanism 1 and rotating mechanism 2, can To provide torque after rotating mechanism 2 rotates, rush makes it have the trend of return initial position and ensures to be bent in FRP muscle The relative position of preceding fixed mechanism 1 and rotating mechanism 2 is constant.
The sliding block 4 moves along a straight line along guide rail 5, is connected with screw mandrel 6, and is moved under the driving of stepper motor 7;Sliding block There is guide post 26 on 4, draw rotating mechanism 2 in the gathering sill 24 of the insertion rotating mechanism 2 of guide post 26 and moved.
The fixed mechanism 1 and rotating mechanism 2 are equipped with limiter, and fixed mechanism limiter 8 can limit fixed mechanism 1 Displacement, sliding block fire end limiter 27 and sliding block colling end limiter 28 can limit the displacement of sliding block 4, and all limiters are equal Equipped with micro-control switch.
The heater 9 is the pipeline configuration of a c-type, and pipeline is made up of heat-insulating material, inside equipped with blower fan, heating wire, Thermometer.
Under the driving of blower fan, air is internally circulated, and so it is possible to prevente effectively from thermal loss, keeping temperature is constant; Heated by FRP muscle is placed at the opening of heater.
Control cabinet of the invention 14 is provided with power switch, button, display screen, can be to the heat time of device, heating Temperature, cool time, working condition are controlled, and can show front heater temperature.On control cabinet equipped with stop in emergency by Button, can cut off the electricity supply immediately when something unexpected happened.
It is as shown in Figure 1 FRP muscle preparation facilities axonometric drawings, all of bulking block is all integrally fixed above workbench 13 's.The specific manufacturing process of 45 degree of bendings of FRP muscle is comprised the following steps:
(1) machine power is opened, heating-up temperature, heat time, three basic parameters of cool time are set, adjustment is fixed Bolt 11 to correct position, by reaching the temperature of requirement start working by the temperature of device to be heated 9.Heating-up temperature control in this example Between 120 DEG C -150 DEG C, heat time 10-20 seconds, cool time 10-20 seconds, specific acid extraction was according to FRP for system The diameter and substrate types of muscle determine.
(2) the FRP muscle that will do not bent is put into the FRP muscle fixing groove 21 of fixed mechanism 1 as shown in Figure 6, adjusts FRP The position of muscle, FRP muscle should be close to fixed mechanism 1 and rotating mechanism 2 as shown in Figure 7.
(3) machine starts running after pressing start key, and stepper motor 7 rotates forward drive screw 6, and screw mandrel 6 drives such as Fig. 8 Shown sliding block 4 is moved upwards, and sliding block 4 drives tumbler 2, and tumbler 2 drives fixing device 1, so as to drive FRP muscle to open Begin to move.
(4) as shown in Fig. 2 sliding block 4 is moved and contacted with sliding block fire end limiter 27 upwards, now stepper motor 7 stops Only operate, start to heat FRP muscle in heater 9 as shown in Figure 9.
(5) after the heat time for setting is reached, stepper motor 7 starts to rotate backward, and drives sliding block 4 to move down. To be relatively fixed the angle of mechanism 1 constant for rotating mechanism 2 in the presence of clockwork spring 3.
(6) as shown in figure 3, fixed mechanism 1 and fixed mechanism limiter 8 are contacted, fixed mechanism 1 stops movement, but sliding block 4 Still move down, sliding block 4 starts to drive rotating mechanism 2 to rotate.
(7) as shown in figure 4, FRP muscle there occurs 45 degree of bendings when sliding block 4 moves to a certain position, by adjusting sliding block The position of colling end limiter 28 can control bending angle.
(8) when sliding block 4 and colling end limiter 28 are in contact, stepper motor 7 stops operating, FRP muscle reach 45 degree it is curved Folding, now cooler 10 is started working, and blowing cold air is cooled down to FRP muscle.
(9) after the cool time of setting is reached, stepper motor 7 starts to rotate forward, and sliding block 4 is moved upwards, rotating machine Structure 2 goes back to initial position under the driving of clockwork spring 3.
(10) after fixed mechanism 1 and fixed mechanism limiter 8 are separated, machine shuts down, and the bending work of FRP muscle is complete Into, remove bending after FRP muscle prepare start bend next time.
90 degree of bending devices of FRP muscle, as shown in Fig. 1 to Fig. 3, Fig. 5 to Fig. 9, with 45 degree of FRP muscle in specific embodiment 1 The difference of bending device is that the position of colling end limiter 28 changes, as shown in figure 5, when sliding block 4 and colling end are spacing When device 28 is in contact, stepper motor 7 stops operating, and FRP muscle reaches 90 degree of bendings, and now cooler 10 is started working, and blows out cold Wind is cooled down to FRP muscle.The same 45 ° bending of specific implementation order.
To sum up, the present invention provides a kind of thermoplastic FRP muscle bending device, including fixed mechanism, rotating mechanism, sliding block, plus Hot device and cooler.Clockwork spring is provided between the fixed mechanism and rotating mechanism, guide rail passes through fixed mechanism and sliding block, Guide rail two ends pedestal is fixed on workbench, and stepper motor is turned by screw mandrel drive control sliding block in the presence of sliding block Motivation structure and fixed mechanism can occur translation and rotation, FRP muscle is moved between heater and cooler by translation, pass through Rotation bends FRP muscle, and bending angle is 0 degree to 90 degree.The present invention has high degree of automation, and machining accuracy is high, behaviour Make simply, to workmen, the low advantage of site requirements.

Claims (3)

1. a kind of thermoplastic FRP muscle bending device, it is characterised in that:Two pairs of guide rail fixed pedestals, two pairs are set on the table It is respectively provided with having heaters and cooler on workbench between guide rail fixed pedestal, and heater is located at workbench end, cold But device is located at workbench centre position, two guide rails is respectively provided between two pairs of guide rail fixed pedestals and two No. two are led Rail, is provided with fixed mechanism, two No. two guide rails on two guide rails and is provided with rotating mechanism, is additionally provided with workbench Stepper motor, the output end of stepper motor is connected with leading screw, and leading screw is located between two No. two guide rails and is consolidated by corresponding guide rail Determine base supports, the guide rail hole coordinated with No. two guide rails is provided with sliding block, sliding block is provided with leading screw, upper end of slide block face is set There is a guide post, the rotating mechanism is provided with gathering sill by lower surface and rotating mechanism is matched somebody with somebody by with gathering sill and guide post The connection realized with sliding block is closed, rotating mechanism side is provided with connecting hole, upper end and is provided with bending baffle plate, the fixed mechanism side Face is provided with connecting rod and fixed mechanism is realized by connecting rod with the cooperation of connecting hole and the connection of rotating mechanism, fixed structure Upper end is provided with FRP muscle fixing grooves, and the fixed machine of restricted fixed mechanism displacement is set on the workbench between a guide rail Structure limiter, is additionally provided with the fire end limiter and colling end limiter of limitation slider displacement, fire end on the workbench Limiter and colling end limiter are respectively positioned on the side of rotating mechanism, and clockwork spring is additionally provided between fixed mechanism and rotating mechanism Spring.
2. a kind of thermoplastic FRP muscle bending device according to claim 1, it is characterised in that:The end of the fixed mechanism Bolt hole is also evenly arranged with face, the fixing bolt that regulation FRP muscle fixes well width is provided with each bolt hole.
3. a kind of thermoplastic FRP muscle bending device according to claim 1 and 2, it is characterised in that:Heater is c-type Pipeline configuration, pipeline configuration is made up of heat-insulating material, and pipeline configuration inside is equipped with blower fan, heating wire, thermometer.
CN201710206047.7A 2017-03-31 2017-03-31 A kind of thermoplastic FRP muscle bending device Active CN106863766B (en)

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Application Number Priority Date Filing Date Title
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Application Number Priority Date Filing Date Title
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CN106863766B CN106863766B (en) 2019-04-12

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108868157A (en) * 2018-07-24 2018-11-23 天津大学 A kind of CFRP drag-line self-heating node
CN110126245A (en) * 2018-02-02 2019-08-16 广州金发碳纤维新材料发展有限公司 A kind of apparatus for bending and its bending method of cellular thermoplastic plate
US11485097B2 (en) * 2020-05-28 2022-11-01 Arris Composites Inc. System and method for bending towpreg

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CN102425116A (en) * 2011-12-19 2012-04-25 中煤建安第七工程有限公司 Method for connecting trough-type base of steel trestle with embedded bolt in concrete bracket
US20150027641A1 (en) * 2013-07-25 2015-01-29 Sungwoo Hitech Co., Ltd. Flexible roll forming device
CN105170741A (en) * 2015-09-23 2015-12-23 苏州华冲精密机械有限公司 Disc type aluminum profile bending machine
CN106042348A (en) * 2015-04-04 2016-10-26 凯孚尔有限公司 Heating channel unit, method for producing a heating channel unit, and folding device
CN106426893A (en) * 2016-10-10 2017-02-22 芜湖瑞德机械科技有限公司 Bending device suitable for plastic section bars

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102425116A (en) * 2011-12-19 2012-04-25 中煤建安第七工程有限公司 Method for connecting trough-type base of steel trestle with embedded bolt in concrete bracket
US20150027641A1 (en) * 2013-07-25 2015-01-29 Sungwoo Hitech Co., Ltd. Flexible roll forming device
CN106042348A (en) * 2015-04-04 2016-10-26 凯孚尔有限公司 Heating channel unit, method for producing a heating channel unit, and folding device
CN105170741A (en) * 2015-09-23 2015-12-23 苏州华冲精密机械有限公司 Disc type aluminum profile bending machine
CN106426893A (en) * 2016-10-10 2017-02-22 芜湖瑞德机械科技有限公司 Bending device suitable for plastic section bars

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110126245A (en) * 2018-02-02 2019-08-16 广州金发碳纤维新材料发展有限公司 A kind of apparatus for bending and its bending method of cellular thermoplastic plate
CN108868157A (en) * 2018-07-24 2018-11-23 天津大学 A kind of CFRP drag-line self-heating node
US11485097B2 (en) * 2020-05-28 2022-11-01 Arris Composites Inc. System and method for bending towpreg

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