CN208932705U - Carbon fibre stretching creel is grouped moment control device - Google Patents
Carbon fibre stretching creel is grouped moment control device Download PDFInfo
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- CN208932705U CN208932705U CN201821658741.9U CN201821658741U CN208932705U CN 208932705 U CN208932705 U CN 208932705U CN 201821658741 U CN201821658741 U CN 201821658741U CN 208932705 U CN208932705 U CN 208932705U
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Abstract
The utility model relates to technical field of motors, in particular to a kind of carbon fibre stretching creel is grouped moment control device, comprising: rack, tube open up fine device, feed carrier and yarn storage device；Two layers of bracket for being installed to tube is at least arranged in rack, set tube quantity is equal on each layer of bracket, and setting quantity is all larger than equal to 2, wherein, the identical tube of arrangement position reaches feed carrier at the same angle in each layer of tube, and the fine device of the exhibition of being sent to is collected by feed carrier, after exhibition is fine, yarn reaches yarn storage device and is stored.By the technical solution of the utility model, motor control cost is effectively reduced, saves manpower and time cost brought by manual debugging.
Description
Technical field
The utility model relates to technical field of motors, in particular to a kind of carbon fibre stretching creel grouping Torque Control dress
It sets.
Background technique
Carbon fiber or glass fibre multiple-axial warp knitting machine need to keep yarn constant-tension during cutting with woven fabric,
So being needed during unreeling using torque motor and control device.Country's torque motor generally uses torque controller at present,
This controller needs to debug voltage at the scene, controls output torque, is just able to maintain the identical tension of yarn, this to be only suitable for separate unit
Motor control tension uses, and then needs tens torque motors, more then one two hundred torque electricity on a yarn unwinding rack less
Machine, every all debugging will waste a large amount of artificial and times, so that implementation cost is substantially improved.
In view of the above problems, the designer is based on being engaged in such product engineering application practical experience and profession abundant for many years
Knowledge, and cooperate the utilization of scientific principle, it is subject to research and innovation, actively to found a kind of carbon fibre stretching creel grouping Torque Control
Device makes it with more practicability.
Utility model content
The purpose of this utility model is to provide a kind of carbon fibre stretching creels to be grouped moment control device, can be by lower
Cost quickly realize the output of motor torque, to realize the constant tensile control of yarn.
The technical solution of the utility model are as follows: carbon fibre stretching creel be grouped moment control device, comprising: rack, tube,
Open up fine device, feed carrier and yarn storage device；Two layers of bracket for being installed to tube is at least arranged in the rack, each
The set tube quantity is equal on layer bracket, and quantity is arranged and is all larger than equal to 2, wherein in each layer tube
Yarn on the identical tube of arrangement position reaches the feed carrier at the same angle, and is filled by the guide
Collecting for setting is sent to the fine device of the exhibition, and after exhibition is fine, yarn reaches the yarn storage device and stored.
Further, the support level setting, and the tube disposed thereon corresponds set in the vertical direction
It sets.
Further, the feed carrier includes and the one-to-one level-one cord roller of the bracket, the level-one guide
Roller is for gathering the yarn released by each tube on each layer of bracket；It further include second level cord roller, it is described
Second level cord roller by the yarn released from each level-one cord roller for being gathered and being guided to the fine device of the exhibition.
Further, the upstream for opening up fine device also sets up heating device, is heated for treating the fine yarn of exhibition.
Further, the downstream for opening up fine device is additionally provided with extruding pulling device, and the extruding pulling device includes
Two driving rollers, and the squeezing roller with the two tangent settings of driving roller respectively, the shaft and gas of the squeezing roller
Cylinder connection, for carrying out extruding guiding to by the yarn between the squeezing roller and driving roller.
A kind of control method of carbon fibre stretching creel grouping moment control device, output yarn is arrived at the same angle
Tube up to the feed carrier is divided into one group, and carries out torque synchronously control to each tube motor in same group.
Further, the torque synchronously control the following steps are included:
Step 1: according to tension value needed for yarn in the group, needed for being determined under any take-up diameter by formula M=FD
Motor torque, wherein D be real-time take-up diameter, F is yarn tension, and M is motor torque；
Step 2: using AC220 single phase ac sine-wave power input decompression after respectively with 2 comparator reference voltages pair
Than, it obtains and two rectangular pulses that first comparator anode and second comparator negative terminal export respectively is greater than by sine wave,
Two rectangular pulse superpositions, the time triggered jointly is the zero crossing burst length, and every half period obtains a zero passage
Point trigger signal, the zero crossing trigger signal are that high level inputs to governor circuit, and governor circuit is using crossover point signal as base
Calibration signal, the triggering angle signal needed, to adjust the Trigger Angle of motor supply voltage, according to the Trigger Angle by motor
Desirable value of the torque adjusting into the step 1.
Further: in the step 1, the calculation formula of real-time take-up diameter D is as follows:
D=2W/πgN
Wherein:
D is real-time take-up diameter；
W is coiling yarn weight；
G is yarn rice weight；
N is that number is enclosed in current winding.
Further, the sine wave trigger circuit of the motor is independently-powered.
By above scheme, the utility model at least has the following advantages:
By the technical solution of the utility model, motor control cost is reduced, saves people brought by manual debugging
Power and time cost only need to initially set up and store the corresponding data table of Trigger Angle and torque in use, in output pair
Torque motor can be driven when answering Trigger Angle, export current moment values, to effectively keep the constant-tension of current yarn.
The above description is merely an outline of the technical solution of the present invention, in order to better understand the skill of the utility model
Art means, and can be implemented in accordance with the contents of the specification, below on the preferred embodiment of the present invention and the accompanying drawings in detail
It describes in detail bright as after.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments recorded in the utility model, for those of ordinary skill in the art, is not making the creative labor
Under the premise of, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is the structural schematic diagram of carbon fibre stretching creel grouping moment control device in the utility model；
Fig. 2 is the structural schematic diagram for squeezing pulling device；
Fig. 3 is the schematic diagram of carbon fibre stretching creel grouping Torque Control method in the utility model；
Fig. 4 is the group division figure of each tube in the utility model embodiment；
Appended drawing reference: 1, rack；11, bracket；2, tube；3, fine device is opened up；4, feed carrier；41, level-one cord roller；
42, second level cord roller；5, yarn storage device；6, heating device；7, pulling device is squeezed；71, driving roller；72, squeezing roller；
73, cylinder.
Specific embodiment
With reference to the accompanying drawings and examples, specific embodiment of the present utility model is described in further detail.Below
Embodiment is not intended to limit the scope of the present invention for illustrating the utility model.
Carbon fibre stretching creel in the utility model is grouped moment control device, comprising: rack 1, tube 2, the fine dress of exhibition
Set 3, feed carrier 4 and yarn storage device 5；Two layers of bracket 11 for being installed to tube 2, each layer is at least arranged in rack 1
Set 2 quantity of tube is equal on bracket 11, and quantity is arranged and is all larger than equal to 2, wherein arranges position in each layer of tube 2
It sets the yarn on identical tube 2 and reaches feed carrier 4 at the same angle, and by being sent to collecting for feed carrier 4
Fine device 3 is opened up, after exhibition is fine, yarn reaches yarn storage device 5 and stored.In the present embodiment, as shown in Figure 1, bracket 11 is horizontal
Setting, and tube 2 disposed thereon is arranged in a one-to-one correspondence in the vertical direction, wherein 7 torque electricity are set on each bracket 11
6 brackets 11 are arranged in machine unwinding device altogether, and the shaft of motor unwinding device installs tube 2,42 unwinding device difference
The yarn tension on respective roller is controlled, 24k yarn is wound after heating exhibition is fine at wide level state.
As the preferred of above-described embodiment, feed carrier 4 includes and the one-to-one level-one cord roller 41 of bracket 11, level-one
Cord roller 41 is for gathering the yarn released by each tube 2 on each layer of bracket 11；It further include second level cord roller
42, second level cord roller 42 by the yarn released from each level-one cord roller 41 for being gathered and being guided to the fine device 3 of exhibition.
By above-mentioned differentiation so that the distribution of 2 yarn of each tube is more rationally and clear.
In order to remove slurry present in fiber surface during opening up fine, the upstream for opening up fine device 3 also sets up heating dress
6 are set, is heated for treating the fine yarn of exhibition, the mode that heat radiation can be used in specific heating method makes heating more equal
It is even.
As shown in Fig. 2, the downstream for opening up fine device 3 is additionally provided with extruding and leads in order to preferably provide transmission power for yarn
Drawing device 7, squeezing pulling device 7 includes two driving rollers 71, and is rolled respectively with the extruding of the tangent setting of two driving roller 71
Wheel 72, the shaft of squeezing roller 72 is connect with cylinder 73, for by the yarn between squeezing roller 72 and driving roller 71
Carry out extruding guiding, extruding force can be adjusted by the control to cylinder 73, by the rollings of two driving rollers 71 and
Extruding force appropriate can carry out reliable transmission to yarn.
A kind of control method of carbon fibre stretching creel grouping moment control device, as shown in figure 4, yarn will be exported with same
The tube 2 that the angle of sample reaches feed carrier 4 is divided into one group, and it is synchronous to carry out torque to 2 motor of each tube in same group
Control.Wherein, as shown in figure 3, torque synchronously control specifically includes the following steps:
Step 1: according to tension value needed for yarn in the group, needed for being determined under any take-up diameter by formula M=FD
Motor torque, wherein D is real-time take-up diameter, and F is yarn tension, and M is motor torque, wherein real-time take-up diameter can lead to
It crosses measurement or calculates and obtain, when obtaining by calculating, following formula can be used:
D=2W/πgN
Wherein:
D is real-time take-up diameter；
W is coiling yarn weight；
G is yarn rice weight；
N is that number is enclosed in current winding；
Step 2: using AC220 single phase ac sine-wave power input decompression after respectively with 2 comparator reference voltages pair
Than, it obtains and two rectangular pulses that first comparator anode and second comparator negative terminal export respectively is greater than by sine wave,
Two rectangular pulses are superimposed, the time triggered jointly is the zero crossing burst length, and every half period obtains a zero crossing touching
It signals, zero crossing trigger signal is that high level inputs to governor circuit, and governor circuit is obtained using crossover point signal as benchmark signal
To the triggering angle signal of needs, so that the Trigger Angle of motor supply voltage is adjusted, specifically, triggering electricity by synchronous signal impulse
Road, available 120 ° of three phase phase differences of zero point trigger pulse, i.e. AC sine wave, zero crossing just export a pulse；
By this zero point trigger signal, governor circuit obtains desired Trigger Angle, when three road Trigger Angles by calculating and delay time
When control circuit triggers together, then torque motor output torque.
Wherein, in order to avoid differential comparison circuit is interfered, the sine wave trigger circuit of motor is independently-powered.
Above-mentioned control method is applied to the grouping moment control device of the carbon fibre stretching creel in the utility model, it can root
Dividing each tube 2 according to different tension values is 7 groups, and specific group division figure by reasonably grouping as shown in figure 4, can be dropped
The control difficulty of low yarn tension realizes more accurate control to reduce the cost.
Technical solution in the utility model reduces motor control cost, save manpower brought by manual debugging and
Time cost, in use, only need to first by lot of experimental data acquisition Trigger Angle and torque corresponding data table and
Curve graph stores it in governor circuit, and torque motor can be driven when exporting corresponding Trigger Angle, export current desired
Moment values.Specifically, tension value F required for yarn is arranged as host computer, 485 communicating circuits are transferred to governor circuit, and D can be with
It measures and is calculated by measuring device, so that the current desired tension value M wanted can be obtained, governor circuit according to storing in advance
Trigger Angle and torque corresponding data table, export corresponding Trigger Angle, control trigger angle control circuit drives torque motor, output is worked as
Preceding moment values, it can the tension value of current yarn is kept by unwinding device.
The above is only the preferred embodiment of the utility model, is not intended to limit the utility model, it is noted that
For those skilled in the art, without deviating from the technical principle of the utility model, it can also do
Several improvements and modifications out, these improvements and modifications also should be regarded as the protection scope of the utility model.
Claims (5)
1. carbon fibre stretching creel is grouped moment control device, comprising: rack (1), tube (2) open up fine device (3), guide dress
Set (4) and yarn storage device (5)；
It is characterized by: two layers of bracket (11) for being installed to tube (2), each layer is at least arranged in the rack (1)
The set tube (2) quantity is equal on bracket (11), and quantity is arranged and is all larger than equal to 2, wherein each layer yarn
Yarn in cylinder (2) on the identical tube (2) of arrangement position reaches the feed carrier (4) at the same angle, and
It is sent to the fine device (3) of the exhibition by collecting for the feed carrier (4), after exhibition is fine, yarn reaches the yarn storage device
(5) it is stored.
2. carbon fibre stretching creel according to claim 1 is grouped moment control device, it is characterised in that: the bracket
(11) it is horizontally disposed with, and the tube (2) disposed thereon is arranged in a one-to-one correspondence in the vertical direction.
3. carbon fibre stretching creel according to claim 2 is grouped moment control device, it is characterised in that: the guide dress
Set (4) include with the one-to-one level-one cord roller (41) of the bracket (11), the level-one cord roller (41) is for will be by every
The yarn that each tube (2) is released on one layer of bracket (11) is gathered；It further include second level cord roller (42), described two
Grade cord roller (42) by the yarn released from each level-one cord roller (41) for being gathered and being guided to the exhibition
Fine device (3).
4. carbon fibre stretching creel according to claim 1 is grouped moment control device, it is characterised in that: the fine dress of the exhibition
The upstream for setting (3) also sets up heating device (6), is heated for treating the fine yarn of exhibition.
5. carbon fibre stretching creel according to claim 1 is grouped moment control device, it is characterised in that: the fine dress of the exhibition
The downstream for setting (3), which is additionally provided with, squeezes pulling device (7), and the extruding pulling device (7) includes two driving rollers (71), and
Respectively with the squeezing roller (72) of the two tangent settings of the driving roller (71), the shaft and cylinder of the squeezing roller (72)
(73) it connects, for carrying out extruding guiding to by the yarn between the squeezing roller (72) and driving roller (71).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821658741.9U CN208932705U (en) | 2018-10-12 | 2018-10-12 | Carbon fibre stretching creel is grouped moment control device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821658741.9U CN208932705U (en) | 2018-10-12 | 2018-10-12 | Carbon fibre stretching creel is grouped moment control device |
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| Publication Number | Publication Date |
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| CN208932705U true CN208932705U (en) | 2019-06-04 |
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| CN201821658741.9U Active CN208932705U (en) | 2018-10-12 | 2018-10-12 | Carbon fibre stretching creel is grouped moment control device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109230870A (en) * | 2018-10-12 | 2019-01-18 | 常州市新创智能科技有限公司 | Carbon fibre stretching creel is grouped moment control device and control method |
| CN114348764A (en) * | 2022-01-14 | 2022-04-15 | 常州市新创智能科技有限公司 | Anti-shaking control method for torque motor for constant tension unwinding of yarns |
-
2018
- 2018-10-12 CN CN201821658741.9U patent/CN208932705U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109230870A (en) * | 2018-10-12 | 2019-01-18 | 常州市新创智能科技有限公司 | Carbon fibre stretching creel is grouped moment control device and control method |
| CN114348764A (en) * | 2022-01-14 | 2022-04-15 | 常州市新创智能科技有限公司 | Anti-shaking control method for torque motor for constant tension unwinding of yarns |
| CN114348764B (en) * | 2022-01-14 | 2022-08-09 | 常州市新创智能科技有限公司 | Anti-shaking control method for torque motor for constant tension unwinding of yarns |
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