CN106863766A - A kind of thermoplastic FRP muscle bending device - Google Patents
A kind of thermoplastic FRP muscle bending device Download PDFInfo
- 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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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C53/00—Shaping by bending, folding, twisting, straightening or flattening; Apparatus therefor
- B29C53/02—Bending or folding
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C53/00—Shaping by bending, folding, twisting, straightening or flattening; Apparatus therefor
- B29C53/80—Component parts, details or accessories; Auxiliary operations
- B29C53/84—Heating 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
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.
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CN201710206047.7A CN106863766B (en) | 2017-03-31 | 2017-03-31 | A kind of thermoplastic FRP muscle bending device |
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CN201710206047.7A CN106863766B (en) | 2017-03-31 | 2017-03-31 | A kind of thermoplastic FRP muscle bending device |
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CN106863766A true CN106863766A (en) | 2017-06-20 |
CN106863766B CN106863766B (en) | 2019-04-12 |
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Cited By (3)
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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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 |
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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 |
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 |
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Publication number | Priority date | Publication date | Assignee | Title |
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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 |
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US11485097B2 (en) * | 2020-05-28 | 2022-11-01 | Arris Composites Inc. | System and method for bending towpreg |
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