CN106863766B - A kind of thermoplastic FRP muscle bending device - Google Patents
A kind of thermoplastic FRP muscle bending device Download PDFInfo
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- CN106863766B CN106863766B CN201710206047.7A CN201710206047A CN106863766B CN 106863766 B CN106863766 B CN 106863766B CN 201710206047 A CN201710206047 A CN 201710206047A CN 106863766 B CN106863766 B CN 106863766B
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- rotating mechanism
- sliding block
- fixed
- fixed mechanism
- guide rail
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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 both ends are fixed on workbench with pedestal, stepper motor passes through screw rod drive control sliding block, rotating mechanism and fixed mechanism can occur to be translatable and rotate under the action of sliding block, FRP tendons are moved between heater and cooler by translation, bend FRP tendons by rotation, and bending angle is 0 degree to 90 degree.The advantages such as the present invention has high degree of automation, and machining accuracy is high, easy to operate, low to construction personnel, 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 devices.
Background technique
Fibre reinforced composites (Fiber Reinforced Polymer, abbreviation FRP), be by continuous fiber material with
Matrix resin is compound to be formed by high performance material, and FRP tendons are one kind of its product form.FRP tendons are used in concrete structure
Substitution reinforcing bar can play its high-strength light, it is corrosion-resistant, antifatigue, nonmagnetic the advantages that, especially in acid, alkali salt, humidity etc.
Under adverse circumstances, it can avoid steel bar corrosion and damaged to brought by structure, reduce structural maintenance expense, extending structure uses the longevity
Life.
Currently, FRP tendons used by being used to reinforce or enhance in civil engineering generally use continuous fiber reinforcement thermosetting
Property resin composite materials, but thermosetting property FRP tendons do not have the characteristics of 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 usually requires FRP tendons bending 45 degree or 90 degree.In addition,
Research and experiment show that the tensile strength of thermosetting property FRP tendons bending place can significantly reduce.Therefore, in order to allow FRP tendons in concrete
Application range is wider in engineering, needs to solve the problems, such as the bending of FRP tendons.
Relative to heat cured FRP material, thermoplastic FRP material is the another kind of composite wood based on thermoplastic resin production
Material is also equipped with after heating the advantages of carrying out post forming other than high-strength light, durability are good.Using thermoplastic FRP pultrusion at
Type technology can produce continuous pultrusion rod, and local bending can be carried out after heating to it, can repeatedly be processed.Thermoplasticity
The mechanical property of materials is good, process velocity is fast, can be prefabricated in the factory, and can also process satisfaction at the scene has particular/special requirement form
Muscle (such as stirrup in concrete), in the process of bending if being able to achieve mechanization control, quality, the precision of product can be more
Height, reliability can be more preferable.Therefore, the present invention is directed to invent a kind of apparatus and technique side that can bend thermoplastic FRP muscle
Method.
Summary of the invention
The purpose of the invention is to provide a kind of thermoplastic FRP muscle bending device, device through the invention is realized
FRP tendons processing sections are heated near fusing point, cooling machine-shaping after bending.Pass through mechanical device, driving equipment and Numeric Control Technology
Realize the bending of FRP tendons.Have the characteristics that easy to operate, processing quality is good, convenient for site operation, at low cost.
The object of the present invention is achieved like this: two pairs of guide rail fixed pedestals being arranged on the table, two pairs of guide rails are fixed
Having heaters and cooler are respectively set on workbench between pedestal, and heater is located at workbench end, cooler is located at
Workbench middle position, is respectively set two No.1 guide rails and two No. two guide rails between two pairs of guide rail fixed pedestals, and two one
It is provided with fixed mechanism on number guide rail, is provided with rotating mechanism on two No. two guide rails, is additionally provided with stepper motor on workbench,
The output end of stepper motor is connected with lead screw, and lead screw is located between two No. two guide rails and by corresponding guide rail fixed pedestal branch
It supports, the guide rail hole with the cooperation of No. two guide rails is provided on sliding block, is provided with sliding block on lead screw, upper end of slide block face is provided with guiding
Bar, lower end surface is provided with guide groove with the rotating mechanism and rotating mechanism is realized by the cooperation with guide groove and guide rod
With the connection of sliding block, rotating mechanism side is provided with connecting hole, upper end is provided with bending baffle, the fixed mechanism side setting
There is connecting rod and fixed mechanism is realized by the cooperation of connecting rod and connecting hole and the connection of rotating mechanism, fixed structure upper end is set
It is equipped with FRP tendons fixing groove, the fixed mechanism limit of restricted fixed mechanism displacement is set on the workbench between No.1 guide rail
Device is additionally provided with the fire end limiter and colling end limiter of limitation slider displacement, fire end limiter on the workbench
It is respectively positioned on the side of rotating mechanism with colling end limiter, clockwork spring is additionally provided between fixed mechanism and rotating mechanism.
The invention also includes structure features some in this way:
1. being also evenly arranged with bolt hole on the end face of the fixed mechanism, adjusting FRP tendons are provided in each bolt hole
The fixing bolt of fixed groove width.
2. heater is the pipeline configuration of c-type, pipeline configuration is made of heat-insulating material, inside pipeline configuration equipped with blower,
Heating wire, thermometer.
Compared with prior art, the beneficial effects of the present invention are: the 1, present invention is set between fixed mechanism and rotating mechanism
Clockwork spring is set, rotating mechanism will not rotate when FRP tendons being made to be translatable between heater and cooler, to can guarantee
The linear state of FRP tendons before bending guarantees that FRP tendons bend quality.2, by the relative rotation of rotating mechanism and fixed mechanism come
FRP tendons are bent, mechanical deflection precision is high, the error that can be generated to avoid traditional artificial bending,.3, the present invention uses step
Translation and rotation, whole process FRP occur for movement and then traction rotating mechanism into motor-driven screw rod control sliding block
Muscle uniform force, bends speed and bending angle is controllable.4, it by being translatable between heater and cooler, realizes to FRP tendons
Quick heating and cooling, while the heater of c-type can keep temperature constant, save electric power, improve heating efficiency.5, this hair
Bright plant automation degree is high, easy to operate, low to construction personnel, site requirements, can make at the construction field (site), meets construction
Bending requirement of the scene to special shape FRP tendons.
Detailed description of the invention
Fig. 1 is FRP tendons bending device axonometric drawing of the invention；
Fig. 2 is FRP tendons heated condition schematic diagram of the invention；
Fig. 3 is that FRP tendons of the invention start bending sketch map；
Fig. 4 is 45 degree of bending sketch maps of FRP tendons of the invention；
Fig. 5 is 90 degree of bending sketch maps of FRP tendons 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 be rotating mechanism；3 be clockwork spring；4 be sliding block；5 be guide rail；6 be screw rod；7 are
Stepper motor；8 be fixed mechanism limiter；9 be heater；10 be cooler；11 be fixing bolt；12 be the fixed base of guide rail
Seat；13 be workbench；14 be control cabinet；15 be the FRP tendons not bent；16 FRP tendons bent for 45 degree；17 be 90 degree of bendings
FRP tendons；18 be guide rail hole；19 be bolt hole；20 be connecting rod；21 be FRP tendons fixing groove；22 be connecting hole；23 be bending gear
Plate；24 be guide groove；25 be screw hole；26 be guide rod；27 be fire end limiter；28 be colling end limiter.
Specific embodiment
Present invention is further described in detail with specific embodiment with reference to the accompanying drawing.
In conjunction with 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, which passes through, to be fixed
Mechanism 1 and sliding block 4,5 both ends pedestal 12 of guide rail are fixed on workbench 13, and stepper motor 7 is sliding by 6 drive control of screw rod
Block 4, rotating mechanism 2 and fixed mechanism 1 can occur to be translatable and rotate under the action of sliding block 4, heat FRP tendons by translation
It is moved between device 9 and cooler 10, bends FRP tendons by rotation.
The fixed mechanism 1 is moved in a straight line along guide rail 5；It is provided with bolt hole 19 in 1 side of fixed mechanism, it is solid for installing
Determine bolt 11；It can control the width of FRP tendons fixing groove 21 by adjusting fixing bolt 11；Connecting rod 20 is arranged in fixed mechanism 1
It connect, opens in fixed mechanism lower part there are two guide rail hole, guide rail extends there through, and fixed mechanism is done directly along guide rail with rotating mechanism 2
Line movement.
There is connecting hole 22 on the rotating mechanism 2, connecting hole 22 and connecting rod 20 connect, and rotating mechanism 2 can be around connecting rod
20 rotate, the setting bending baffle 23 on rotating mechanism 2；Rotating mechanism 2 is connect by guide groove 24 with sliding block 4.
The clockwork spring is arranged in connecting rod, and the clockwork spring 3 is connected and fixed mechanism 1 and rotating mechanism 2, can
To provide torque after rotating mechanism 2 rotates, promotees to make it have the trend for returning to initial position and guarantee to bend in FRP tendons
The relative position of preceding fixed mechanism 1 and rotating mechanism 2 is constant.
The sliding block 4 is moved in a straight line along guide rail 5 to be connected with screw rod 6, and moves under the driving of stepper motor 7；Sliding block
There is guide rod 26 on 4, guide rod 26 is inserted into traction rotating mechanism 2 in the guide groove 24 of rotating mechanism 2 and is 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 of heat-insulating material, inside equipped with blower, heating wire,
Thermometer.
Under the driving of blower, air is recycled in inside, in this way it is possible to prevente effectively from thermal loss, keeps temperature constant；
The opening that FRP tendons are placed on heater can be heated.
Control cabinet 14 of the invention is provided with power switch, key, display screen, can heating time to device, heating
Temperature, cooling 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 power immediately when something unexpected happened.
It is as shown in Figure 1 FRP tendons preparation facilities axonometric drawing, all bulking blocks are fixed on above workbench 13
's.45 degree of FRP tendons bending specific manufacturing process the following steps are included:
(1) machine power is opened, three heating temperature, heating time, basic parameters cooling time are set, adjustment is fixed
To suitable position, the temperature that the temperature of device 9 to be heated reaches requirement can start to work bolt 11.Heating temperature control in this example
System is between 120 DEG C -150 DEG C, and heating time 10-20 second, 10-20 seconds cooling time, specific acid extraction is according to FRP
The diameter and substrate types of muscle determine.
(2) FRP tendons not bent are put into the FRP tendons fixing groove 21 of fixed mechanism 1 as shown in FIG. 6, adjust FRP
The position of muscle, FRP tendons 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 driving screw rod 6, screw rod 6 driving such as Fig. 8
Shown in sliding block 4 move upwards, sliding block 4 drives rotating device 2, and rotating device 2 drives fixed device 1, so that FRP tendons be driven to open
Begin to move.
(4) as shown in Fig. 2, sliding block 4 is moved upwards and contacted with sliding block fire end limiter 27, stepper motor 7 stops at this time
It only operates, starts to heat FRP tendons in heater 9 as shown in Figure 9.
(5) after reaching the heating time set, stepper motor 7 starts to rotate backward, and driving sliding block 4 moves down.
Relatively fixed 1 angle of mechanism of rotating mechanism 2 is constant under the action of clockwork spring 3.
(6) as shown in figure 3, fixed mechanism 1 and fixed mechanism limiter 8 contact, fixed mechanism 1 stops movement, but sliding block 4
Still it moves down, sliding block 4 starts that rotating mechanism 2 is driven to rotate.
(7) as shown in figure 4, when sliding block 4 moves to a certain position, 45 degree of bendings are had occurred in FRP tendons, 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 tendons reach 45 degree it is curved
Folding, cooler 10 is started to work at this time, and blowing cold air cools down FRP tendons.
(9) after reaching the cooling time of setting, stepper motor 7 starts to rotate forward, and sliding block 4 moves 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 separate, machine shuts down, and the bending work of FRP tendons is complete
At next time the FRP tendons after removing bending prepare to start to bend.
90 degree of bending devices of FRP tendons, as shown in Fig. 1 to Fig. 3, Fig. 5 to Fig. 9, with 45 degree of FRP tendons 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 limit
When device 28 is in contact, stepper motor 7 stops operating, and FRP tendons reach 90 degree of bendings, and cooler 10 is started to work at this time, blows out cold
Wind cools down FRP tendons.Same 45 ° of the bending of specific implementation sequence.
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 both ends are fixed on workbench with pedestal, and stepper motor is turned under the action of sliding block by screw rod drive control sliding block
Motivation structure and fixed mechanism can occur to be translatable and rotate, and move FRP tendons between heater and cooler by translation, pass through
Rotation bends FRP tendons, and bending angle is 0 degree to 90 degree.The present invention has high degree of automation, and machining accuracy is high, grasps
Make the advantages such as simple, low to construction personnel, 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 of setting on the table, two pairs
It is respectively set 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 middle position, and two No.1 guide rails are respectively set between two pairs of guide rail fixed pedestals and two No. two are led
Rail is provided with fixed mechanism on two No.1 guide rails, is provided with rotating mechanism on two No. two guide rails, is additionally provided on workbench
Stepper motor, the output end of stepper motor are connected with lead screw, and lead screw is located between two No. two guide rails and is consolidated by corresponding guide rail
Determine base supports, sliding block is provided on lead screw, the guide rail hole with the cooperation of No. two guide rails, the setting of upper end of slide block face are provided on sliding block
There is a guide rod, the rotating mechanism by lower end surface is provided with guide groove and rotating mechanism with guide groove and guide rod by matching
The connection realized with sliding block is closed, rotating mechanism side is provided with connecting hole, upper end is provided with bending baffle, the fixed mechanism side
Face is provided with connecting rod and fixed mechanism realizes the connection with rotating mechanism, fixed mechanism by the cooperation of connecting rod and connecting hole
Upper end is provided with FRP tendons fixing groove, and the fixation machine of restricted fixed mechanism displacement is arranged on the workbench between No.1 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
It is also evenly arranged with bolt hole on face, the fixing bolt for adjusting the fixed groove width of FRP tendons is provided in each bolt hole.
3. a kind of thermoplastic FRP muscle bending device according to claim 1 or 2, it is characterised in that: heater is c-type
Pipeline configuration, pipeline configuration are made of heat-insulating material, and blower, heating wire, thermometer are housed inside pipeline configuration.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710206047.7A CN106863766B (en) | 2017-03-31 | 2017-03-31 | A kind of thermoplastic FRP muscle bending device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710206047.7A CN106863766B (en) | 2017-03-31 | 2017-03-31 | A kind of thermoplastic FRP muscle bending device |
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| Publication Number | Publication Date |
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| CN106863766A CN106863766A (en) | 2017-06-20 |
| CN106863766B true CN106863766B (en) | 2019-04-12 |
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| CN201710206047.7A Active CN106863766B (en) | 2017-03-31 | 2017-03-31 | A kind of thermoplastic FRP muscle bending device |
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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 |
| CN108868157A (en) * | 2018-07-24 | 2018-11-23 | 天津大学 | A kind of CFRP drag-line self-heating node |
| WO2021242904A2 (en) * | 2020-05-28 | 2021-12-02 | Arris Composites Inc. | System and method for bending towpreg |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102425116B (en) * | 2011-12-19 | 2013-07-31 | 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 |
| KR101509468B1 (en) * | 2013-07-25 | 2015-04-22 | 주식회사 성우하이텍 | Flexible roll forming unit |
| DE102016003096A1 (en) * | 2015-04-04 | 2016-10-06 | Kiefel Gmbh | Heating channel unit, method for producing a heating channel unit and Umbuganlage |
| 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 |
| CN109228277A (en) * | 2016-10-10 | 2019-01-18 | 芜湖瑞德机械科技有限公司 | A kind of apparatus for bending suitable for plastic material |
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