CN221028867U - Broken yarn detection device - Google Patents
Broken yarn detection device Download PDFInfo
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- CN221028867U CN221028867U CN202322408257.8U CN202322408257U CN221028867U CN 221028867 U CN221028867 U CN 221028867U CN 202322408257 U CN202322408257 U CN 202322408257U CN 221028867 U CN221028867 U CN 221028867U
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- tension
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- 238000001514 detection method Methods 0.000 title claims abstract description 16
- 230000007246 mechanism Effects 0.000 claims abstract description 44
- 239000004753 textile Substances 0.000 claims abstract description 13
- 238000003825 pressing Methods 0.000 claims abstract description 10
- 230000006835 compression Effects 0.000 claims description 5
- 238000007906 compression Methods 0.000 claims description 5
- 238000009987 spinning Methods 0.000 abstract description 9
- 238000010586 diagram Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- 230000000007 visual effect Effects 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
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- Filamentary Materials, Packages, And Safety Devices Therefor (AREA)
Abstract
The utility model discloses a broken yarn detection device, and relates to the technical field of spinning. The device comprises a mounting plate, wherein one side of the mounting plate is provided with two wire pressing wheels and at least two tension mechanisms, and the two adjacent tension mechanisms are arranged in a staggered and opposite way; the tension mechanism comprises a support frame, a rectangular groove is vertically formed in the middle of the support frame, and a sliding block is slidably arranged in the rectangular groove; a reel is rotatably arranged on one side of the sliding block, and the reel and the line pressing wheel are positioned on the same plane; one end of the sliding block is connected with one end of the rectangular groove through a pressure spring, the other end of the sliding block is provided with a contact, and the other end of the rectangular groove is provided with a contact switch opposite to the contact; the spring force of the pressure spring of one tension mechanism is larger than that of the other tension mechanisms, the contact switch of the tension mechanism is electrically connected with the alarm of the textile machine, and the contact switches of all the tension mechanisms are electrically connected with the stop control mechanism of the textile machine. By arranging a plurality of tension mechanisms, the false alarm condition caused by spinning line stretching is effectively avoided.
Description
Technical Field
The utility model relates to the technical field of textile, in particular to a broken yarn detection device.
Background
The textile industry has long inheritance history, and along with technological development, the textile is continuously gradually changed from traditional artificial textile to mechanized, automatic, digital and intelligent textile. In the spinning production process, yarn breakage occurs due to various reasons, the machine is required to be stopped immediately for wiring operation, otherwise, a large amount of waste products and equipment idle running waste energy are easily caused; a broken yarn detection device is therefore usually provided on the machine to sense broken yarns. The common broken yarn detection device is divided into tension detection, linear speed detection, visual detection and the like according to the working principle; compared with devices such as linear velocity detection, visual detection and the like, the tension detection has the advantages of sensitive response, low cost and wide application. As disclosed in chinese patent publication No. CN110894630a, a yarn breakage detector for spinning is disclosed, after a certain place in the spun yarn is broken, the tension between the spun yarn is lost, the pressure of the spun yarn to the reel is lost, the spring bounces the movable block, the contact is contacted with the contact switch, the alarm is triggered, the alarm sounds, and the operator is reminded of breaking the spun yarn. The spinning broken yarn detection device is simple in structure and convenient to use. However, as the spun yarn is in a tensioned state for a long time along with the operation of the work, the spun yarn can be stretched in length, and the spring can be sprung up to enable the contact to be in contact with the contact switch, so that false alarm halt is generated, and the production progress is influenced.
Disclosure of utility model
The present utility model is directed to a broken yarn detecting device, which solves the above problems.
In order to achieve the purpose, the utility model provides a broken yarn detection device which comprises a mounting plate, wherein one side of the mounting plate is provided with two line pressing wheels and at least two tension mechanisms, and the two adjacent tension mechanisms are arranged in a staggered and opposite way; the tension mechanism comprises a support frame, a rectangular groove is vertically formed in the middle of the support frame, and a sliding block is slidably arranged in the rectangular groove; a reel is rotatably arranged on one side of the sliding block, and the reel and the line pressing wheel are positioned on the same plane; one end of the sliding block is connected with one end of the rectangular groove through a pressure spring, a contact is arranged at the other end of the sliding block, and a contact switch opposite to the contact is arranged at the other end of the rectangular groove; the spring force of the pressure spring of one tension mechanism is larger than that of the other tension mechanisms, the contact switch of the tension mechanism is electrically connected with the alarm of the textile machine, and the contact switches of all the tension mechanisms are electrically connected with the stop control mechanism of the textile machine.
Further, a sliding rod is arranged in the rectangular groove, a sliding hole matched with the sliding rod is formed in the sliding rod, and the pressure spring is sleeved on the sliding rod.
Further, the spring force of the compression springs of all the tension mechanisms is gradually reduced.
Further, the support frame is connected with the mounting plate through bolts.
The utility model has the following beneficial effects:
By arranging a plurality of tension mechanisms, the utility model effectively avoids false alarm caused by spinning line stretching, reduces the downtime caused by false alarm inspection and improves the working efficiency.
Drawings
FIG. 1 is a schematic diagram of a broken yarn detecting device according to the present utility model;
FIG. 2 is a schematic view of another embodiment of a yarn breakage detecting device according to the present utility model;
Fig. 3 is a schematic diagram of a tension mechanism of a broken yarn detecting device according to the present utility model.
In the figure: 1-a mounting plate; 2-a tension mechanism; 3-a wire pressing wheel; 4-spinning the yarn; 21-a supporting frame; 22-rectangular grooves; 23-contact switch; 24-slide bar; 25-contacts; 26-a slider; 27-a reel; 28-a compression spring; 29-bolts.
Detailed Description
In order to achieve the above objects and effects, the present utility model adopts the technical means and structure, and the features and functions of the preferred embodiments of the present utility model will be described in detail with reference to the accompanying drawings.
As shown in fig. 1-3, the utility model provides a broken yarn detection device, which comprises a mounting plate 1, wherein one side of the mounting plate 1 is provided with two wire pressing wheels 3 and at least two tension mechanisms 2, and the two adjacent tension mechanisms 2 are arranged in a staggered and opposite way; the tension mechanism 2 comprises a support frame 21, wherein a rectangular groove 22 is vertically arranged in the middle of the support frame 21, and a sliding block 26 is slidably arranged in the rectangular groove 22; a reel 27 is rotatably arranged on one side of the sliding block 26, and the reel 27 and the wire pressing wheel 3 are positioned on the same plane; one end of the sliding block 26 is connected with one end of the rectangular groove 22 through a pressure spring 28, the other end of the sliding block 26 is provided with a contact 25, and the other end of the rectangular groove 22 is provided with a contact switch 23 opposite to the contact 25; the spring force of the pressure spring 28 of one tension mechanism 2 is larger than that of the pressure springs 28 of the other tension mechanisms 2, the contact switches 23 of the tension mechanisms 2 are electrically connected with alarms of textile machinery, and the contact switches 23 of all the tension mechanisms 2 are electrically connected with shutdown control mechanisms of the textile machinery. The spun yarn 4 starts from one of the pinch rollers 3, passes around all the reels 27 in turn, and finally passes out from the other pinch roller 3.
Under normal state, the spinning thread 4 drives the thread pressing wheel 3 and the winding wheel 27 to rotate in the moving process, the tension of the spinning thread 4 forms downward or upward pressure on the winding wheel 27, the pressure spring 28 is in a compressed state under the action of the pressure, and the contact 25 and the contact switch 23 are in a separated state; when the spun yarn is stretched in length, the high-elasticity pressure spring 28 can spring up first, the contact switch 23 of the tension mechanism 2 is contacted with the contact 25, signals are generated and transmitted to the alarm, an alarm is generated, a worker is reminded to adjust the tension, and the machine is not stopped, and the thread ends are not required to be searched; when the yarn 4 breaks, the tension of the yarn 4 instantaneously disappears, all the pressure springs 28 spring, all the contact switches 23 contact with the contacts 25, signals are generated and transmitted to the stop control mechanism, and when the stop control mechanism receives the signals of all the contact switches 23, the stop is immediately performed; the quick response is realized, the thread ends are prevented from running far, and the staff can find the thread ends and connect the threads conveniently.
The utility model has two states, one is alarm and the other is alarm stop, and the false alarm is not generated.
In another embodiment, two vertically arranged slide bars 24 are disposed in the rectangular slot 22, two slide holes matched with the two slide bars 24 are disposed on the slide block 26, and two compression springs 28 are disposed and respectively sleeved on the two slide bars 24. And the sliding stability of the sliding block is improved.
In another embodiment, as shown in fig. 2, three tension mechanisms 2 are provided, and the spring force of the compression springs 28 of all the tension mechanisms 2 is gradually reduced to improve the control accuracy.
In another embodiment, the supporting frame 21 is connected with the mounting plate 1 through bolts 29, so that the whole tension mechanism 2 is convenient to disassemble and maintain.
The foregoing description is only illustrative of the preferred embodiment, and is not intended to limit the scope of the utility model in any way.
Claims (4)
1. The broken yarn detection device is characterized by comprising a mounting plate, wherein one side of the mounting plate is provided with two wire pressing wheels and at least two tension mechanisms, and the two adjacent tension mechanisms are arranged in a staggered and opposite way; the tension mechanism comprises a support frame, a rectangular groove is vertically formed in the middle of the support frame, and a sliding block is slidably arranged in the rectangular groove; a reel is rotatably arranged on one side of the sliding block, and the reel and the line pressing wheel are positioned on the same plane; one end of the sliding block is connected with one end of the rectangular groove through a pressure spring, a contact is arranged at the other end of the sliding block, and a contact switch opposite to the contact is arranged at the other end of the rectangular groove; the spring force of the pressure spring of one tension mechanism is larger than that of the other tension mechanisms, the contact switch of the tension mechanism is electrically connected with the alarm of the textile machine, and the contact switches of all the tension mechanisms are electrically connected with the stop control mechanism of the textile machine.
2. The broken yarn detecting device according to claim 1, wherein a sliding rod is arranged in the rectangular groove, a sliding hole matched with the sliding rod is formed in the sliding rod, and the pressure spring is sleeved on the sliding rod.
3. A broken yarn detecting device according to claim 1, wherein the spring force of the compression springs of all the tension mechanisms is gradually reduced.
4. A broken yarn detecting device according to claim 1, 2 or 3, wherein the support frame is connected to the mounting plate by means of bolts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322408257.8U CN221028867U (en) | 2023-09-05 | 2023-09-05 | Broken yarn detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322408257.8U CN221028867U (en) | 2023-09-05 | 2023-09-05 | Broken yarn detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221028867U true CN221028867U (en) | 2024-05-28 |
Family
ID=91172271
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322408257.8U Active CN221028867U (en) | 2023-09-05 | 2023-09-05 | Broken yarn detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221028867U (en) |
-
2023
- 2023-09-05 CN CN202322408257.8U patent/CN221028867U/en active Active
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