CN202754632U - Tension controlling device of carbon fiber unwinding - Google Patents
Tension controlling device of carbon fiber unwinding Download PDFInfo
- Publication number
- CN202754632U CN202754632U CN 201220402086 CN201220402086U CN202754632U CN 202754632 U CN202754632 U CN 202754632U CN 201220402086 CN201220402086 CN 201220402086 CN 201220402086 U CN201220402086 U CN 201220402086U CN 202754632 U CN202754632 U CN 202754632U
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- cylindrical shell
- tension bar
- carbon fiber
- silk
- tenslator
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Abstract
The utility model discloses a tension controlling device of carbon fiber unwinding. The tension controlling device comprises a main body support and a mandrel which is arranged on the main body support, the mandrel is provided with a cylinder in sleeved mode, the cylinder is in rotary match with the mandrel and is provided with a tensioning strip, and a tensioning strip expanding mechanism is arranged inside the cylinder. The main body support is provided with a friction speed-controlling mechanism used for controlling the speed of the cylinder, the tensioning strip on the cylinder is expanded through the tensioning strip expanding mechanism, cylinder-packaging fiber products are fixed on the cylinder, friction force between a friction speed-controlling mechanism and the cylinder is adjusted through the friction speed-controlling mechanism, and therefore the speed of the carbon fiber unwinding can be controlled, when wires are unwound to a metal frame to make samples, carbon fibers can keep straight and are even in stress, and accuracy of testing results of the samples can be guaranteed.
Description
Technical field
The utility model relates to the testing of materials apparatus field, is specifically related to the tenslator that carbon fiber in the sample making course of a kind of carbon fiber tensile property test moves back silk.
Background technology
Carbon fiber refers to that carbon fiber content is at the inorganic material fiber more than 90%, therefore a series of excellent properties such as it has that density is little, quality is light, high specific strength, high ratio modulus, thermal expansion coefficient are little, high temperature resistant, wear-resistant, withstanding corrosion, endurance extensively are used in aerospace, Leisure Sport, the field such as civilian.
The content of mechanical property test of carbon fiber mainly comprises: pulling strengrth, tensile modulus of elasticity, breaking elongation, volume density, linear density etc., its test method has had standard GB/T/T 3362-2005 carbon fiber tensile property of multi-filament test method, needs the carbon fiber multifilament is carried out the impregnation pretreatment in this testing standard.Standard GB/T/T 3362-2005 to sample size in the test process, use resin content in impregnation resin, the sample, temperature and time all has corresponding regulation and description when solidifying.This standard the manual method impregnation, namely the long multifilament of clip 500mm is arrested two ends with hand and is entered impregnation in the glue, the regulation specimen is 10 samples in the standard, therefore uses manual method impregnation control step complicated, consuming time longer; Simultaneously be difficult to guarantee that tow has identical tension force during manual impregnation, easily cause tow crooked, and finally affect the test result accuracy.
Generally speaking, the carbon fiber that production and processing obtains need to pass through winding process, needs carbon fiber is rolled into tubular in this technique, forms the wound packages carbon fiber product, so that transportation and use.In use, the wound packages carbon fiber product can use through moving back a process.In the sample making course of carbon fiber tensile property test, the wound packages carbon fiber product need to be moved back silk, be unwound to and prepare sample on the metal framework.
Application publication number is the apparatus and method that the Chinese invention patent application of CN 102031547A discloses a kind of carbon fiber surface continuously composite plating metallic and nano particle, in this device, by moving back guide frame wound packages carbon fiber sample is moved back silk, then carry out electroplating processes.This moves back guide frame and comprises support and rack-mount axle, the wound packages carbon fiber product is enclosed within on the axle can moves back silk.But this moves back guide frame and can not control and regulate moving back in the process tension force to carbon fiber, thereby uncontrollable carbon fiber moves back the speed of silk, thereby affects follow-up electroplating processes.
In the sample making course of carbon fiber tensile property test, adopt the above-mentioned guide frame that moves back to move back silk, be unwound to and prepare sample on the metal framework, can not guarantee that the straight and carbon fiber of carbon fiber is stressed also inhomogeneous, affect sample preparation, and finally affect the accuracy of test result.
The utility model content
The tenslator that the utility model provides a kind of carbon fiber to move back silk so that the wound packages carbon fiber product is when being unwound on the metal framework preparation sample, can so that carbon fiber keep straight and stressed evenly.
A kind of carbon fiber moves back the tenslator of silk, comprise main body rack and the axle that is installed on the described main body rack, be arranged with the cylindrical shell with described axle normal-running fit on the described axle, described cylindrical shell is provided with tension bar, be provided with the tension bar expanding mechanism in the described cylindrical shell, described main body rack is provided with for fast mechanism is controlled in the friction of described cylindrical shell control speed.
The overall diameter of cylindrical shell matches with the internal diameter of wound packages carbon fiber product, the wound packages carbon fiber product is enclosed within on the cylindrical shell, can be so that the expansion of the tension bar on the described cylindrical shell by the tension bar expanding mechanism, thereby the wound packages carbon fiber product is fixed on the cylindrical shell, fast mechanism regulates the friction force that rubs between the fast mechanism of control and the cylindrical shell by the friction control, thereby can control the speed that carbon fiber moves back silk, be unwound to when preparing sample on the metal framework, can be so that carbon fiber keeps straight and stressed even.
As preferably, the length direction of described tension bar is axial consistent with described cylindrical shell, and the Width of described tension bar is radially consistent with described cylindrical shell, thereby is conducive to the expansion of tension bar.As preferably, described tension bar is provided with sawtooth near the outside of an end of described tension bar expanding mechanism, and the wound packages carbon fiber product is enclosed within on the cylindrical shell, when the tension bar expanding mechanism is expanded tension bar, be conducive to increase friction force, thereby can further improve firmness.As preferably, described tension bar is four, is separately positioned on the different position of cylinder body outer wall, and under the effect of tension bar expanding mechanism, four tension bar expand outwardly fixedly wound packages carbon fiber product along different directions, can further improve stable degree.Further preferred, four tension bar are evenly distributed at described cylindrical shell, and the angle that namely adjacent two tension bar become with the center of described cylindrical shell in four tension bar is 90 °, evenly is arranged on the different position of cylinder body outer wall, improves to greatest extent stable degree.
As preferably, described tension bar expanding mechanism comprises the pushing block that cooperates with described tension bar and the pipe link that is connected with described pushing block, this pipe link one end is captiveed joint with described pushing block, the other end stretches out from the end of described cylindrical shell, described tension bar is provided with inclined-plane and the plane that cooperates with described pushing block near described pushing block one side, by pipe link so that pushing block move, pushing block is mobile on the inclined-plane of tension bar, thereby tension bar is expanded, pushing block continues mobile, when pushing block arrives the plane of tension bar, finish expansion, thereby the wound packages carbon fiber product can be fixed.Further preferred, part near described pushing block on the described pipe link is arranged with the limiting stopper that cooperates with described tension bar, be provided with the first Compress Spring between the end of described limiting stopper and described cylindrical shell, in pushing block advances process, limiting stopper is under the effect of the first Compress Spring, follow in the motion of pushing block back, thereby play further spacing effect.Described pipe link stretches out between an end of described cylindrical shell and the described limiting stopper and is provided with the second Compress Spring, in the process that promotes pipe link, can utilize the second Compress Spring to offer the certain thrust of limiting stopper, so that limiting stopper accurately arrives required spacing position.
As preferably, be provided with bearing between described axle and the described cylindrical shell, realize normal-running fit by bearing, thereby make things convenient for barrel body rotation.Also be provided with bearing between described limiting stopper and the described pipe link, make things convenient for the motion of limiting stopper and pipe link.
As preferably, described friction is controlled fast mechanism and is comprised the brake collar that cooperates with described cylindrical shell and the control apparatus that is used for adjustable brake band degree of tightness, thereby come the tightness adjustment brake collar of adjustable brake band and the friction force between the cylindrical shell by control apparatus, and further control tensile force, the control of a speed is moved back in final realization to carbon fiber.Control apparatus comprises attaching parts, spring, screw rod and the nut that connects successively, described attaching parts is connected with described brake collar, described screw rod passes the through hole that is fixedly installed on the main body rack, and the end that this screw rod passes described through hole is connected with described nut thread, adjust friction force between brake collar and the cylindrical shell by screw thread fit, can play regulating action by spring simultaneously, thereby control better tensile force and control the speed that carbon fiber moves back silk.
Compared with prior art, the utlity model has following advantage:
The utility model carbon fiber moves back the tenslator of silk, comprise main body rack, axle, cylindrical shell, tension bar, tension bar expanding mechanism and the fast mechanism of friction control, by the tension bar expanding mechanism so that the tension bar on described cylindrical shell expansion, the wound packages carbon fiber product is fixed on the cylindrical shell, fast mechanism regulates the friction force that rubs between the fast mechanism of control and the cylindrical shell by the friction control, thereby can control the speed that carbon fiber moves back silk, be unwound to when preparing sample on the metal framework, can so that carbon fiber keep straight and stressed evenly, thereby guarantee sample test result's accuracy.
The utility model carbon fiber moves back the tenslator of silk, and in optimal technical scheme, tension bar is provided with sawtooth, tension bar is four, in four tension bar, the angle that adjacent two tension bar become with the center of cylindrical shell is 90 °, can further improve firmness and stable degree.The tension bar expanding mechanism comprises the pushing block that cooperates with tension bar and the pipe link that is connected with pushing block, is arranged with limiting stopper on the pipe link, is provided with the first Compress Spring between the end of limiting stopper and cylindrical shell, and limiting stopper plays further spacing effect.The fast mechanism of friction control comprises the brake collar that cooperates with cylindrical shell and the control apparatus that is used for adjustable brake band degree of tightness, thereby come the tightness adjustment brake collar of adjustable brake band and the friction force between the cylindrical shell by control apparatus, thereby the control tensile force, the control carbon fiber moves back the speed of silk.Control apparatus comprises attaching parts, spring, screw rod and the nut that connects successively, can play regulating action by spring simultaneously, thereby controls better tensile force and control the speed that carbon fiber moves back silk.
Description of drawings
Fig. 1 is the structural representation that the utility model carbon fiber moves back the tenslator of silk;
Fig. 2 is the structural representation of tension bar in the utility model;
Fig. 3 is the structural representation of brake collar in the utility model;
Fig. 4 is the structural representation of metal framework in the utility model.
The specific embodiment
Below in conjunction with accompanying drawing the tenslator that the utility model carbon fiber moves back silk is described in further detail.
As shown in Figure 1, move back the tenslator of silk for the utility model carbon fiber, comprise main body rack 1 and the axle 2 that is installed on the main body rack 1, axle 2 is bolted on the main body rack 1.Be arranged with the cylindrical shell 3 with axle 2 normal-running fiies on the axle 2, be provided with bearing between axle 2 and the cylindrical shell 3, realize normal-running fit by bearing.Cylindrical shell 3 is provided with the tension bar mounting groove, the tension bar 4 that matches is installed in the tension bar mounting groove, the depth direction of tension bar mounting groove is radially consistent with cylindrical shell 3, the length direction of tension bar mounting groove is axial consistent with cylindrical shell 3, tension bar 4 corresponding settings, be length direction and cylindrical shell 3 axial consistent of tension bar 4, the Width of tension bar 4 is radially consistent with cylindrical shell 3, tension bar 4 is along the other end that axially extends to cylindrical shell 3 from cylindrical shell 3 near an end of the fixed end of axle 2 of cylindrical shell 3, the two ends of cylindrical shell 3 are provided with end cap 5 and end cap 6, cylindrical shell 3 and tension bar 4 are longer than axle 2, cylindrical shell 3 and tension bar 4 are longer than the middle hollow that forms of part of axle 2, should in vacancy be provided with the tension bar expanding mechanism, namely cylindrical shell 3 and tension bar 4 interior near on the axles 2 with respect to the position of axle 2 with the other end of the fixed end of main body rack 1.Main body rack 1 is provided with for fast mechanism is controlled in the friction of cylindrical shell 3 control speed near the side of axle 2 with the fixed end of main body rack 1.
As depicted in figs. 1 and 2, tension bar 4 is four, be separately positioned on the different position of cylindrical shell 3 outer walls, tension bar 4 is provided with sawtooth near the outside that is provided with an end of tension bar expanding mechanism, is conducive to increase friction force, thereby can further improve firmness, in four tension bar 4, the angle that adjacent two tension bar 4 become with the center of cylindrical shell 3 is 90 °, evenly is arranged on the different position of cylindrical shell 3 outer walls, improves to greatest extent stable degree.Annual spring 13 is looped around the outside of cylindrical shell 3 and tension bar 4, and is fixing by 13 pairs of four tension bar of annual spring 4, when playing fixed tensioning bar 4, because annual spring 13 has retractility, thereby, can allow the expansion of tension bar 4.
As shown in Figure 1, the tension bar expanding mechanism comprises the pushing block 7 that cooperates with tension bar 4 and the pipe link 8 that is connected with pushing block 7, these pipe link 8 one ends are captiveed joint with pushing block 7, the other end stretches out from the end of cylindrical shell 3, namely stretch out from end cap 6, pipe link 8 is equipped with handle 9 from the end that end cap 6 stretches out.Tension bar 4 inboards are along being provided with successively inclined-plane and the plane that cooperates with pushing block 7 in one side direction of end cap 6 places, by pipe link 8 so that pushing block 7 move, pushing block 7 is mobile on the inclined-plane of tension bar 4, thereby with tension bar 4 expansions, pushing block 7 continues mobile, when pushing block 7 arrives the plane of tension bar 4, finish expansion, thus can wound packages carbon fiber product 19 is fixing.Part near pushing block 7 on the pipe link 8 is arranged with the limiting stopper 10 that cooperates with tension bar 4, be that tension bar 4 is provided with the inclined-plane that matches with limiting stopper 10, be provided with the first Compress Spring 11 between the end of limiting stopper 10 and cylindrical shell 3 (being end cap 6), in pushing block 7 advances process, limiting stopper 10 is under the effect of the first Compress Spring 11, follow in the motion of pushing block 7 back, thereby play further spacing effect.Also be provided with bearing between limiting stopper 10 and the pipe link 8, make things convenient for the motion of limiting stopper 10 and pipe link 8.Pipe link 8 stretches out between an end of cylindrical shell 3 and the limiting stopper 10 and is provided with the second Compress Spring 12, in the process that promotes pipe link 8, can utilize the second Compress Spring 12 to offer the certain thrust of limiting stopper 10, so that limiting stopper 10 accurately arrives required spacing position.
Such as Fig. 1 and as shown in Figure 3, the fast mechanism of friction control comprise be arranged on the brake collar 14(that cooperates with cylindrical shell 3 on the main body rack 1 as shown in Figure 3) and for the control apparatus of adjustable brake band 14 degrees of tightness, thereby come the tightness adjustment brake collar 14 of adjustable brake band 14 and the friction force between the cylindrical shell 3 by control apparatus, thereby the control tensile force, the control carbon fiber moves back the speed of silk.Control apparatus comprises the attaching parts 15 that connects successively, spring 16, screw rod 17 and nut 18, attaching parts 15 1 ends are connected with brake collar 14, the other end is connected with spring 16, spring 16 is connected to screw rod 17 with respect to the other end that attaching parts 15 connects an end, this screw rod 17 passes the through hole that is fixedly installed on the main body rack 1, and this screw rod 17 passes an end and nut 18 screws thread fit of described through hole, adjust friction force between brake collar 14 and the cylindrical shell 3 by screw thread fit, can play regulating action by spring 6 simultaneously, thereby control is controlled tensile force and is controlled the speed that carbon fiber moves back silk better.
As shown in Figure 1 and Figure 4, to move back the principle of work of tenslator of silk as follows for the utility model carbon fiber:
The overall diameter of cylindrical shell 3 matches with the internal diameter of wound packages carbon fiber product 19, wound packages carbon fiber product 19 is enclosed within on the cylindrical shell 3, can be so that 4 expansions of the tension bar on the cylindrical shell 3 by the tension bar expanding mechanism, thereby wound packages carbon fiber product 19 is fixed on the cylindrical shell 3, fast mechanism regulates the friction force that rubs between the fast mechanism of control and the cylindrical shell 3 by the friction control, thereby can control the speed that carbon fiber moves back silk, be unwound to when preparing sample on the metal framework 20, can so that carbon fiber keep straight and stressed evenly, thereby guarantee sample test result's accuracy.
Claims (10)
1. a carbon fiber moves back the tenslator of silk, comprise main body rack and the axle that is installed on the described main body rack, it is characterized in that, be arranged with the cylindrical shell with described axle normal-running fit on the described axle, described cylindrical shell is provided with tension bar, be provided with the tension bar expanding mechanism in the described cylindrical shell, described main body rack is provided with for fast mechanism is controlled in the friction of described cylindrical shell control speed.
2. carbon fiber according to claim 1 moves back the tenslator of silk, it is characterized in that, the length direction of described tension bar is axial consistent with described cylindrical shell, and the Width of described tension bar is radially consistent with described cylindrical shell.
3. carbon fiber according to claim 1 moves back the tenslator of silk, it is characterized in that, described tension bar is provided with sawtooth near the outside of an end of described tension bar expanding mechanism.
4. according to claim 1,2 or 3 described carbon fibers move back the silk tenslator, it is characterized in that, described tension bar is four, four tension bar are evenly distributed at described cylindrical shell.
5. carbon fiber according to claim 1 moves back the tenslator of silk, it is characterized in that, described tension bar expanding mechanism comprises the pushing block that cooperates with described tension bar and the pipe link that is connected with described pushing block, this pipe link one end is captiveed joint with described pushing block, the other end stretches out from the end of described cylindrical shell, and described tension bar is provided with inclined-plane and the plane that cooperates with described pushing block near described pushing block one side.
6. carbon fiber according to claim 5 moves back the tenslator of silk, it is characterized in that, part near described pushing block on the described pipe link is arranged with the limiting stopper that cooperates with described tension bar, is provided with the first Compress Spring between the end of described limiting stopper and described cylindrical shell.
7. carbon fiber according to claim 6 moves back the tenslator of silk, it is characterized in that, described pipe link stretches out between an end of described cylindrical shell and the described limiting stopper and is provided with the second Compress Spring.
8. carbon fiber according to claim 1 moves back the tenslator of silk, it is characterized in that, is provided with bearing between described axle and the described cylindrical shell.
9. carbon fiber according to claim 1 moves back the tenslator of silk, it is characterized in that, described friction is controlled fast mechanism and comprised the brake collar that cooperates with described cylindrical shell and the control apparatus that is used for adjustable brake band degree of tightness.
10. carbon fiber according to claim 9 moves back the tenslator of silk, it is characterized in that, described control apparatus comprises attaching parts, spring, screw rod and the nut that connects successively, described attaching parts is connected with described brake collar, described screw rod passes the through hole that is fixedly installed on the main body rack, and the end that this screw rod passes described through hole is connected with described nut thread.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220402086 CN202754632U (en) | 2012-08-14 | 2012-08-14 | Tension controlling device of carbon fiber unwinding |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220402086 CN202754632U (en) | 2012-08-14 | 2012-08-14 | Tension controlling device of carbon fiber unwinding |
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| Publication Number | Publication Date |
|---|---|
| CN202754632U true CN202754632U (en) | 2013-02-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220402086 Expired - Lifetime CN202754632U (en) | 2012-08-14 | 2012-08-14 | Tension controlling device of carbon fiber unwinding |
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| CN (1) | CN202754632U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110670371A (en) * | 2019-11-13 | 2020-01-10 | 海宁市金潮实业有限公司 | Efficient tarpaulin production process |
-
2012
- 2012-08-14 CN CN 201220402086 patent/CN202754632U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110670371A (en) * | 2019-11-13 | 2020-01-10 | 海宁市金潮实业有限公司 | Efficient tarpaulin production process |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130227 |
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| CX01 | Expiry of patent term |