CN113029210A - Novel counting device of rapier loom - Google Patents
Novel counting device of rapier loom Download PDFInfo
- Publication number
- CN113029210A CN113029210A CN202110216350.1A CN202110216350A CN113029210A CN 113029210 A CN113029210 A CN 113029210A CN 202110216350 A CN202110216350 A CN 202110216350A CN 113029210 A CN113029210 A CN 113029210A
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- Prior art keywords
- transformer
- casing
- counting device
- housing
- rotating shaft
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Links
- 238000009941 weaving Methods 0.000 claims description 5
- 238000005253 cladding Methods 0.000 claims description 4
- 230000007246 mechanism Effects 0.000 claims description 2
- 238000009434 installation Methods 0.000 abstract description 3
- 230000003139 buffering effect Effects 0.000 abstract description 2
- 238000013016 damping Methods 0.000 abstract description 2
- 230000005540 biological transmission Effects 0.000 description 6
- 239000004753 textile Substances 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 229910002056 binary alloy Inorganic materials 0.000 description 2
- 230000005284 excitation Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 210000004081 cilia Anatomy 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000005674 electromagnetic induction Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 244000144992 flock Species 0.000 description 1
- 230000009347 mechanical transmission Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D5/00—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
- G01D5/12—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means
- G01D5/244—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing characteristics of pulses or pulse trains; generating pulses or pulse trains
Abstract
The invention provides a novel counting device of a rapier loom, which comprises a casing, a rotary transformer and a decoding plate for acquiring the output voltage of the rotary transformer, wherein the rotary transformer and the decoding plate are positioned in the casing, the rotary transformer comprises a stator part, a rotor part and a transformer shell covering the outer sides of the stator part and the rotor part, the transformer shell is fixed on the casing through a plurality of retaining brackets, the rotor part is connected with a rotating shaft, the rotating shaft penetrates through one side of the transformer shell and extends out of the casing, the stator part and the rotor part are subjected to the double covering action of the transformer shell and the casing to reduce the contact between the stator part and the rotor part and the external environment, after the casing or the transformer shell is vibrated, vibration signals are transmitted to the opposite side through the retaining brackets to form a certain buffering and damping structure, and the anti-vibration performance of the whole, the design that the rotation axis unilateral stretches out makes the structure of whole device fully reduce, makes things convenient for its installation work.
Description
The name of the parent case is as follows: a novel counting device of a rapier loom; application No.: 201610967474.2
Technical Field
The invention relates to an electronic device of a textile machine, in particular to a novel counting device of a rapier loom, which is used for a control system to calculate the position state of the loom.
Background
In the existing textile machinery with higher electrification degree, a control system needs to know real-time angle information of a weaving machine. Most electrical control systems read encoder signals to calculate the loom angle and its state, which in turn controls loom motion.
At present, encoders used by textile machinery are mainly divided into two types, one type is a photoelectric encoder, and the photoelectric encoder has the advantages of high precision and mature technology and has the defect of being not suitable for severe environments, such as vibration, high temperature, oil stain, dust or occasions with more flocks. Due to the variety of fabrics, the use environment of many looms is very severe, so that the failure rate of the photoelectric encoder is high, and the maintenance cost is increased; the other is a magnetoelectric encoder which can adapt to severe environment, but in the field of industrial control, the magnetoelectric encoder is difficult to obtain high positioning precision in practical use due to self limitation, and in addition, the magnetic hysteresis of the magnetic field and the signal processing time are long, so that the magnetoelectric encoder is not suitable for occasions with frequent start and stop and higher requirements on precision and response time.
Disclosure of Invention
The invention aims to provide a novel counting device of a rapier loom, which utilizes a rotary transformer and a decoding board to carry out real-time feedback of loom angles through parallel signal transmission, has the advantages of high transmission rate, high precision, high pollution resistance, high temperature resistance, vibration resistance, electromagnetic interference resistance and the like, and improves the working reliability of textile machinery.
The technical scheme adopted by the invention for solving the technical problems is as follows: the utility model provides a novel counting assembly of rapier weaving machine, include casing, rotary transformer and be used for acquireing rotary transformer output voltage's decoding board, rotary transformer with the decoding board all is located inside the casing, rotary transformer includes stator part and rotor part, cladding stator part with the transformer housing in the rotor part outside, the transformer housing keeps the support to fix through a plurality of on the casing, the rotor part is connected with the rotation axis, the rotation axis passes one side of transformer housing and stretches out the casing.
Preferably, two wiring terminals electrically connected with the decoding board are arranged outside the housing, and the decoding board forms parallel signals through the wiring terminals and transmits the parallel signals to a loom control system.
Preferably, the decoding board is provided with a transcoding mechanism for converting the output voltage of the rotary transformer into a gray code encoding signal applied by the loom control system.
Preferably, an annular boss for connecting a loom arm is fixed on the housing, and the annular boss is sleeved on the periphery of the part of the rotating shaft extending out of the housing.
Preferably, the outer contour of the transformer housing is larger than the central hole of the annular boss, and the decoding plate is arranged on one side of the transformer housing, which is far away from the central hole.
Preferably, the housing is a cylindrical tube with a central axis coaxial with the rotating shaft, and the rotating shaft extends out of the end of the cylindrical tube.
Preferably, the end face of the annular boss is tightly attached to the end face of the cylindrical barrel.
Preferably, the central axis of the annular boss is coaxial with the rotating shaft, and the annular boss is provided with four threaded holes uniformly distributed along the circumferential direction of the annular boss.
Preferably, a fixing support plate is arranged between the annular boss and the loom arm.
Preferably, the rotating shaft extends out of the shell, and the extending end of the rotating shaft is meshed with a dobby output shaft of the weaving machine through a gear.
Compared with the prior art, the invention has the following technical effects:
first, rotary transformer and decoding board all are located inside the casing, and rotary transformer includes stator part and rotor part, cladding at the transformer housing in stator part and rotor part outside, that is to say, stator part and rotor part pass through the dual cladding effect of transformer housing and casing in proper order, fully reduce stator part and rotor part and external environment's contact, have guaranteed its resistant pollution, have improved the operational reliability of whole device.
Secondly, the transformer shell is fixed on the shell through a plurality of holding brackets, so that after the shell or the transformer shell is vibrated, vibration signals are transmitted to the opposite side through the holding brackets, a certain buffering and damping structure is formed, and the anti-vibration performance of the whole device is improved.
Third, rotor part is connected with the rotation axis, and the rotation axis passes one side of transformer housing and stretches out the casing, that is to say the rotation axis forms the unilateral and stretches out transformer housing structure, for the structure that the rotation axis both sides stretched out among the prior art, the design that the unilateral stretches out makes the structure of whole device fully reduce, and then makes things convenient for its installation work.
And fourthly, two wiring terminals electrically connected with the decoding board are arranged outside the shell, the decoding board forms parallel signals through the wiring terminals and transmits the parallel signals to the loom control system, real-time feedback of the angle of the loom is carried out, and the transmission rate and the precision are high.
Fifthly, the outline of transformer housing is greater than the centre bore of annular boss to form the effect of sheltering from to the centre bore, even then in greasy dirt or the more environment of cilia, through transformer housing shutoff centre bore, fully avoid causing the pollution to whole device inside, and the decoder board sets up the one side of keeping away from the centre bore at transformer housing, shelters from the effect with forming the decoder board through transformer housing, avoids the decoder board to be close to the centre bore and causes the pollution damage easily.
Sixthly, an annular boss used for being connected with the loom arm is fixed on the machine shell, the annular boss is sleeved on the periphery of the part, extending out of the machine shell, of the rotating shaft, the machine shell and the loom arm can be stably connected, and an even and fixed structure is formed on the periphery of the rotating shaft, so that stable transmission of the rotating shaft is guaranteed, the end face of the annular boss is tightly attached to the end face of the cylindrical barrel, firm combination between the annular boss and the cylindrical barrel is guaranteed, and the stability of connection of the machine shell and the loom arm is further enhanced.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are part of the preferred embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the internal structure of the present invention;
FIG. 3 is a schematic diagram of the operation of a rotary transformer;
FIG. 4 is a flow chart of the operation of the present invention;
FIG. 5 is a schematic view of the present invention mounted on a textile machine;
in the figure: the device comprises a machine shell 1, a parameter description sticker 11, a mounting boss 12, a threaded hole 121, a decoding plate 2, a rotary transformer 3, a rotating shaft 31, a wiring terminal 4, a fixing support plate 5, a gear 6, a dobby output shaft 7 and a gear 8.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the specific embodiments and accompanying drawings 1-5, and it is obvious that the described embodiments are only a part of the preferred embodiments of the present invention, and not all embodiments. Those skilled in the art can make similar modifications without departing from the spirit of the invention, and therefore the invention is not limited to the specific embodiments disclosed below.
The invention provides a novel counting device of a rapier loom (as shown in figure 1), which comprises a machine shell 1, a rotary transformer 3 and a decoding plate 2, wherein the rotary transformer 3 and the decoding plate 2 are both positioned in the machine shell 1; the rotation axis 31 of rotary transformer 3 passes a through-hole on the casing 1 is located the casing 1 outside, rotary transformer 3 with decoding board 2 corresponds the connection set up two binding post 4 in the casing 1 outside, just binding post 4 corresponds with decoding board 2 and is connected. The circuit connection between the connection terminal 4 and the decoding board 2 is a mature technology in the field, and the detailed circuit connection is not described in detail here, and the technical control principle of the decoding board 2 is briefly described as follows:
the decoding board 2 can obtain the cosine output voltage, the sine output voltage and the excitation voltage output by the rotary transformer 3.
Wherein the angle theta between rotor and stator, the excitation voltage UfCosine output voltage Ucos, sine output voltage Usin, voltage ratio k of a rotary transformer, the number NZ of rotor coil turns, the number ND of stator coil turns, the number M of encoder wires and the current angle M of the weaving machine. Then there is a change in the number of,
Ucos＝kUfcosθ
Usin＝kUfsinθ
and (4) rounding the calculated current angle m of the loom, converting the current angle m into a binary system, transmitting the binary system to a master control system, and ensuring the instantaneity of angle signals through parallel transmission.
In order to facilitate the installation and fixation of the device, an annular boss 12 (shown in fig. 2) is arranged at one end part of the cylindrical barrel, four threaded holes 121 uniformly distributed along the circumferential direction of the annular boss 12 are arranged on the annular boss 12, a rotating shaft 31 is coaxial with the central shaft of the annular boss 12, and the device can be fixed on a loom arm by using bolts and the four threaded holes 121; for maintenance, a layer of parameter description sticker 11 is provided on the outer side wall of the housing 1.
When the device works, the rotation of the rotating shaft 31 can be mechanically transmitted through a transmission belt on the loom or an output shaft on the loom, as shown in fig. 5, the device transmits a rotation signal by using a dobby output shaft 7 on the loom, specifically, the device is fixed on the loom through a fixing support plate 5, a gear 6 is arranged at the end part of the rotating shaft 31, a gear 8 is arranged at the end part of the dobby output shaft 7, the rest gears 8 of the gear 6 are meshed, when the dobby output shaft 7 rotates, the rotating shaft 31 can be driven to rotate through the gear 6 and the gear 8, and then the mechanical transmission of the rotation signal is realized.
The working principle of the invention is as follows: the loom drives the rotary transformer 3 to rotate through gear transmission, the rotary transformer 3 outputs voltage as sine and cosine functions of the rotor rotation angle through the electromagnetic induction principle, and analog quantity voltage is converted into Gray code coding signals used by a loom control system through the decoding board 2, so that the function of an encoder is realized on the loom.
In addition to the technical features described in the specification, the technology is known to those skilled in the art.
While the preferred embodiments and examples of the present invention have been described in detail, it will be apparent to those skilled in the art that the invention is not limited thereto, and that various changes and modifications may be made without departing from the spirit and scope of the invention.
Claims (10)
1. The utility model provides a novel counting assembly of rapier weaving machine, a serial communication port, include casing, rotary transformer and be used for acquireing rotary transformer output voltage's decoding board, rotary transformer with the decoding board all is located inside the casing, rotary transformer includes stator part and rotor part, cladding stator part with the transformer housing in the rotor part outside, transformer housing keeps the support to fix through a plurality of on the casing, rotor part is connected with the rotation axis, the rotation axis passes one side of transformer housing and stretches out the casing.
2. The counting device of claim 1, wherein two terminals electrically connected to the decoding board are disposed outside the housing, and the decoding board forms parallel signals through the terminals and transmits the signals to the loom control system.
3. The novel counting device of the rapier loom as claimed in claim 2, wherein said decoding board is provided with a transcoding mechanism for converting the output voltage of said rotary transformer into gray code coded signals applied by said loom control system.
4. The counting device of claim 1 or 3, wherein the housing has a ring-shaped projection fixed thereon for connecting the loom arm, and the ring-shaped projection is looped around the portion of the rotating shaft extending out of the housing.
5. The counting device of claim 4, wherein the outer contour of the transformer housing is larger than the central hole of the annular boss, and the decoding plate is disposed on the side of the transformer housing away from the central hole.
6. The counting device of claim 5, wherein the housing is a cylindrical tube having a central axis coaxial with the rotating shaft, and the rotating shaft extends out of an end of the cylindrical tube.
7. The counting device of claim 6, wherein the end surface of the annular boss is closely attached to the end surface of the cylindrical tube.
8. The counting device of claim 6, wherein the central axis of the annular boss is coaxial with the rotating shaft, and the annular boss is provided with four threaded holes uniformly distributed along the circumferential direction of the annular boss.
9. The counting device of claim 4, wherein a fixing support plate is arranged between the annular boss and the loom arm.
10. The counting device of claim 1, wherein the rotating shaft extends out of the housing, and the extending end of the rotating shaft is engaged with the dobby output shaft of the loom through a gear.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110216350.1A CN113029210A (en) | 2016-10-31 | 2016-10-31 | Novel counting device of rapier loom |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110216350.1A CN113029210A (en) | 2016-10-31 | 2016-10-31 | Novel counting device of rapier loom |
| CN201610967474.2A CN106382948A (en) | 2016-10-31 | 2016-10-31 | Novel counting device of rapier loom |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610967474.2A Division CN106382948A (en) | 2016-10-31 | 2016-10-31 | Novel counting device of rapier loom |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113029210A true CN113029210A (en) | 2021-06-25 |
Family
ID=57956715
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110216350.1A Pending CN113029210A (en) | 2016-10-31 | 2016-10-31 | Novel counting device of rapier loom |
| CN201610967474.2A Pending CN106382948A (en) | 2016-10-31 | 2016-10-31 | Novel counting device of rapier loom |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610967474.2A Pending CN106382948A (en) | 2016-10-31 | 2016-10-31 | Novel counting device of rapier loom |
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| CN (2) | CN113029210A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116105801A (en) * | 2023-04-11 | 2023-05-12 | 河北美泰电子科技有限公司 | Pressure and temperature sensor assembled in modularized mode and assembling method thereof |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111876884A (en) * | 2020-07-23 | 2020-11-03 | 浙江泰坦股份有限公司 | Zero alignment method for weaving machine |
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| Publication number | Publication date |
|---|---|
| CN106382948A (en) | 2017-02-08 |
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Application publication date: 20210625 |
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