CN212000072U - Shedding mechanism of loom - Google Patents
Shedding mechanism of loom Download PDFInfo
- Publication number
- CN212000072U CN212000072U CN202020051278.2U CN202020051278U CN212000072U CN 212000072 U CN212000072 U CN 212000072U CN 202020051278 U CN202020051278 U CN 202020051278U CN 212000072 U CN212000072 U CN 212000072U
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- CN
- China
- Prior art keywords
- heald frame
- motor
- heald
- loom
- shedding mechanism
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 230000007246 mechanism Effects 0.000 title claims abstract description 35
- 238000000034 method Methods 0.000 abstract description 18
- 229920000049 Carbon (fiber) Polymers 0.000 abstract description 13
- 239000004917 carbon fiber Substances 0.000 abstract description 13
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 abstract description 10
- 230000005672 electromagnetic field Effects 0.000 abstract description 4
- 238000009941 weaving Methods 0.000 description 11
- 239000004744 fabric Substances 0.000 description 5
- 230000005291 magnetic effect Effects 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 3
- 238000001514 detection method Methods 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 229910000838 Al alloy Inorganic materials 0.000 description 2
- 239000000956 alloy Substances 0.000 description 2
- 239000012784 inorganic fiber Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 240000004859 Gamochaeta purpurea Species 0.000 description 1
- QJVKUMXDEUEQLH-UHFFFAOYSA-N [B].[Fe].[Nd] Chemical compound [B].[Fe].[Nd] QJVKUMXDEUEQLH-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000010000 carbonizing Methods 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000002889 diamagnetic material Substances 0.000 description 1
- 239000002657 fibrous material Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000012701 inorganic fiber precursor Substances 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 229910001172 neodymium magnet Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 239000004753 textile Substances 0.000 description 1
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- Looms (AREA)
Abstract
The utility model discloses a shedding mechanism of a loom, which comprises a heald frame and a motor, wherein the heald frame is detachably connected with a heald frame supporting structure; the rotor of the motor is connected with the heald frame supporting structure through threads; the stator of the motor is fixedly connected to the frame of the loom through threads. The heald frame is directly connected with the motor; the motor adopts a coreless U-shaped groove linear motor, the coreless U-shaped groove linear motor drives the rotor to move by utilizing an electromagnetic field, no noise exists basically in the moving process, the heald frames move in the permanent magnet guide rails, the repulsion force generated by the permanent magnet rails and the side edges of the heald frames enables the heald frames not to contact the permanent magnet guide rails in the moving process, and no noise exists in the moving process; and because the motor response speed is high, control accuracy is high, therefore the heald frame motion is steady. The utility model provides a shedding mechanism of loom utilizes the direct drive technique, has reduced the noise of shedding mechanism during operation, and it is steady to reduce the broken string rate that the carbon fiber weaves the in-process.
Description
Technical Field
The utility model belongs to the technical field of loom complementary unit, a shedding mechanism of loom is related to.
Background
The inorganic fiber is made of inorganic minerals, and the main product is carbon fiber; the carbon fiber is a high-performance inorganic fiber with carbon content more than 90% and formed by carbonizing an inorganic fiber precursor at a high temperature of 1000-3000 ℃. The density of the carbon fiber is 1.5-2g/cm3The density is 25 percent of that of the common steel material, the strength is 4-5 times higher than that of the steel, the thermal expansion coefficient is small, the thermal conductivity is reduced along with the rise of the temperature, and the high-temperature-resistant, friction-resistant and corrosion-resistant steel has high thermal conductivity and electrical conductivity. The carbon fiber has good processability due to softness, and can be used for weaving various high-specific-strength fabrics. The material has the characteristics of high strength, high modulus, fatigue resistance, high temperature resistance, heat conduction, electric conduction, small expansion coefficient and the like, has the specific gravity of 1/4 steel, and is a strategic high-tech fiber material.
Although carbon fiber has many of the above excellent properties, it has some disadvantages in itself, such as its untwisted filaments, low shear strength, etc.; these defects are likely to cause fuzz, broken warp, broken ends, etc. when weaving carbon fiber cloth, and bring great difficulty to weaving carbon fibers.
The shedding mechanism of the loom is a key part for controlling the movement of the loom, and the working performance of the shedding mechanism directly influences the speed, the production efficiency, the product adaptability and the fabric quality of the loom. With the development of modern weaving technology, a novel loom with high weft insertion rate and high efficiency is rapidly developed. The international new shedding mechanisms can be divided into 3 types of cam shedding mechanisms, dobby shedding mechanisms and jacquard shedding mechanisms according to the adaptability of the shedding mechanisms to the fabric texture. The domestic everlasting textile machinery factory limited company has formed the production capacity of dobby, jacquard and pedal disc machine 3 large series, high, medium and low different grade products, and can be used with various shuttleless looms. While foreign Standobille introduced dobbies suitable for rapier and gripper looms in 2000 series, 2200 series, 2400 series, 2600 series, etc., Bonass company also introduced various shedding mechanisms such as high-speed electronic jacquard, etc. However, the existing shedding mechanisms have the disadvantages of high noise, unstable motion of the heald frame and incapability of accurately controlling the position of the heald frame, so that the problems of broken threads and fuzz in the weaving process of the carbon fibers are caused, and the requirements of high precision and high utilization rate in the weaving process of the carbon fibers cannot be met.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a shedding mechanism of loom can accurate control heald frame movement track, reduce the broken string rate, can the noise reduction again.
The utility model discloses a first technical scheme who adopts is: a shedding mechanism of a loom comprises a heald frame and a motor, wherein the heald frame is detachably connected with a heald frame supporting structure; the rotor of the motor is connected with the heald frame supporting structure through threads; the stator of the motor is fixedly connected to the frame of the loom through threads.
The first characteristic of the utility model is that,
two side edges of the heald frame are magnetically connected with permanent magnetic guide rails which are fixedly arranged on a frame of the loom.
The top of the heald frame supporting structure is provided with a groove, and the bottom of the heald frame is embedded in the groove.
The heald frames, the motors and the heald frame supporting structures are in one-to-one correspondence in number.
4 heald frames are selected; 4 motors are selected; 4 heald frame supporting structures are selected.
The motor is a coreless U-shaped groove linear motor.
The beneficial effects of the utility model are that
The utility model relates to a shedding mechanism of a loom, which is directly connected with a motor through a heald frame; the motor adopts a coreless U-shaped groove linear motor, the coreless U-shaped groove linear motor drives the rotor to move by utilizing an electromagnetic field, no noise exists basically in the moving process, the heald frames move in the permanent magnet guide rails, the repulsion force generated by the permanent magnet rails and the side edges of the heald frames enables the heald frames not to contact the permanent magnet guide rails in the moving process, and no noise exists in the moving process; and because the motor response speed is high, control accuracy is high, therefore the heald frame motion is steady. The utility model provides a shedding mechanism of a loom, which utilizes a direct drive technology to reduce the noise of the shedding mechanism during working and reduce the breakage rate in the carbon fiber weaving process; meanwhile, the motion trail of the heald frame is more accurately controlled, and the motion process of the heald frame is stable.
Drawings
Fig. 1 is a schematic perspective view of a shedding mechanism of a loom according to the present invention;
fig. 2 is a front view of a shedding mechanism of a loom of the present invention.
In the figure, 1 is a heald frame, 2 is a motor, 3 is a heald frame supporting structure, and 4 is a permanent magnet guide rail.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings and specific embodiments.
The utility model relates to a shedding mechanism of a loom, as shown in figures 1 and 2, which comprises a heald frame 1 and a motor 2, wherein the heald frame 1 is connected with a heald frame supporting structure 3 through screw threads; the rotor of the motor 2 is connected with the heald frame supporting structure 3 through threads; the stator of the motor 2 is fixedly connected to the frame of the loom through threads.
The heald frame is characterized by also comprising a permanent magnet guide rail 4 welded on the weaving machine, wherein the permanent magnet guide rail 4 is provided with two side edges of the heald frame 1; and the permanent magnet guide rail 4 is magnetically connected with the heald frame 1. And a clearance of about 8mm is kept between the side edge of the heald frame and the corresponding permanent magnet guide rail.
The heald frame support structure comprises a plurality of heald frames 1, motors 2 and heald frame support structures 3, wherein the heald frames 1, the motors 2 and the heald frame support structures 3 are corresponding in number;
the number of the heald frames 1 is 4; the number of the motors 2 is 4; the number of the heald frame supporting structures 3 is 4;
because the permanent magnet guide rails 4 are arranged on the two sides of the heald frame 1, namely the number of the permanent magnet guide rails is 8; and the permanent magnetic guide rails on each side are welded together.
The heald frame support structure 3 is designed as a truss for connection between the heald frame 1 and the motor 2.
The top of the heald frame supporting structure 3 is provided with a groove, and the heald frame 1 is embedded in the groove.
The heald frame 1 is made of an aluminum alloy material.
The side edge of the heald frame 1 close to the permanent magnetic guide rail 4 is made of diamagnetic materials; when the permanent magnet is close to the N pole of the permanent magnet, the permanent magnet can display the N pole, so that the repulsive force is generated between the permanent magnet and the permanent magnet guide rail.
The permanent magnetic guide rail 4 is made of neodymium iron boron.
The motor 2 is a coreless U-shaped groove linear motor.
The heald frame supporting structure 3 is made of aluminum alloy material.
The heald frame 1 is provided with a broken warp detection sensor.
The broken warp detection sensor adopts an xh-a88jn268 type infrared broken warp detection sensor.
For more accurate use of the shedding mechanism, an STM32 controller is installed on the frame of the loom close to a control panel, and the STM32 controller is connected with a computer through a lead or a USB port; the STM32 controller is connected with servo drivers through leads, the number of the servo drivers is consistent with that of the motors 2, 4 servo drivers are selected, and each servo driver is used for driving the motor 2; a signal amplifier is arranged on a frame of the loom; the signal amplifier is connected with the detected sensor through a lead.
The utility model relates to a shedding mechanism's of loom theory of operation:
the direct drive technology is adopted, a rotor of a motor 2 is fixedly connected with a heald frame supporting structure 3, a heald frame 1 is also fixedly connected with the heald frame supporting structure 3, the motor 2 directly drives the heald frame 1 to do up-and-down reciprocating motion, namely, the heald frame 1 is accurately controlled by the motor 2; permanent magnet guide rails 4 are arranged at two ends of a heald frame 1, the heald frame 1 is magnetically connected with the permanent magnet guide rails 4, vibration generated when the heald frame 1 moves is reduced due to repulsion force of a magnet, noise during movement is reduced, and friction between carbon fiber tows and heald eyes during weaving is reduced.
As the motor 2 is a coreless U-shaped groove linear motor which drives the rotor to move by utilizing an electromagnetic field, the movement process is basically noiseless.
The utility model relates to a shedding mechanism's of loom working process:
when the weaving machine is used, a fabric weave diagram is input into a PC end, the PC end inputs a signal to an stm32 controller, the stm32 controller sends a high-speed pulse signal to a corresponding servo driver after processing the signal, then the driver sends the pulse signal to a corresponding motor 2, and the motor 2 controls the heald frame 1 connected with the motor to do reciprocating linear motion or to be static after receiving the pulse signal; when the warp breakage sensor detects that warp is broken, the signal is amplified by the signal amplifier and then transmitted to the controller, and after the controller receives the signal, the heald frame 1 is immediately controlled to stop moving by the servo driver driving motor 2. The motor 2 directly drives the heald frame 1 to do up-and-down reciprocating motion, namely, the heald frame 1 is accurately controlled by the motor 2; permanent magnet guide rails 4 are arranged at two ends of a heald frame 1, the heald frame 1 is magnetically connected with the permanent magnet guide rails 4, vibration generated when the heald frame 1 moves is reduced due to repulsion force of a magnet, noise during movement is reduced, and friction between carbon fiber tows and heald eyes during weaving is reduced.
In this way, the utility model provides a shedding mechanism of a loom, which is directly connected with a motor 2 through a heald frame 1; the motor 2 adopts an iron-core-free U-shaped groove linear motor, the iron-core-free U-shaped groove linear motor drives the rotor to move by utilizing an electromagnetic field, no noise exists basically in the moving process, the heald frames 1 move in the permanent magnet guide rails 4, the permanent magnet guide rails 4 are not in contact with the permanent magnet guide rails 4 in the moving process due to repulsion generated by the side edges of the heald frames 1, and no noise exists in the moving process; and because the motor 2 has high response speed and high control accuracy, the heald frame 1 moves stably. The utility model provides a shedding mechanism of loom utilizes the direct drive technique, has reduced the noise of shedding mechanism during operation, and simultaneously, 1 course of motion of heald frame is steady.
Claims (6)
1. A shedding mechanism of a loom, characterized in that: the electric power heald frame comprises a heald frame (1) and a motor (2), wherein the heald frame (1) is detachably connected with a heald frame supporting structure (3); the rotor of the motor (2) is connected with the heald frame supporting structure (3) through threads; and the stator of the motor (2) is fixedly connected to a frame of the loom through threads.
2. A shedding mechanism for a loom according to claim 1, wherein: two side edges of the heald frame (1) are magnetically connected with permanent magnet guide rails (4), and the permanent magnet guide rails (4) are fixedly arranged on a frame of the loom.
3. A shedding mechanism for a loom according to claim 1, wherein: the top of the heald frame supporting structure (3) is provided with a groove, and the bottom of the heald frame (1) is embedded in the groove.
4. A shedding mechanism for a loom according to any one of claims 1 to 3, wherein: the heald frames (1), the motors (2) and the heald frame supporting structures (3) are in one-to-one correspondence in number.
5. The shedding mechanism of a loom according to claim 4, wherein: 4 heald frames (1) are selected; 4 motors (2) are selected; 4 heald frame bearing structure (3) are selected for use.
6. The shedding mechanism of a loom as claimed in claim 1, 2, 3 or 5, wherein: the motor (2) is a coreless U-shaped groove linear motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020051278.2U CN212000072U (en) | 2020-01-10 | 2020-01-10 | Shedding mechanism of loom |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020051278.2U CN212000072U (en) | 2020-01-10 | 2020-01-10 | Shedding mechanism of loom |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212000072U true CN212000072U (en) | 2020-11-24 |
Family
ID=73426444
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020051278.2U Expired - Fee Related CN212000072U (en) | 2020-01-10 | 2020-01-10 | Shedding mechanism of loom |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212000072U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114855330A (en) * | 2022-06-09 | 2022-08-05 | 深圳市汇川技术股份有限公司 | Shedding mechanism and loom |
-
2020
- 2020-01-10 CN CN202020051278.2U patent/CN212000072U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114855330A (en) * | 2022-06-09 | 2022-08-05 | 深圳市汇川技术股份有限公司 | Shedding mechanism and loom |
| WO2023236917A1 (en) * | 2022-06-09 | 2023-12-14 | 深圳市汇川技术股份有限公司 | Opening mechanism and weaving machine |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201124 |