CN210194070U - Tension balancing control device for first-twist backing-off bobbin of composite twisting machine - Google Patents
Tension balancing control device for first-twist backing-off bobbin of composite twisting machine Download PDFInfo
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- CN210194070U CN210194070U CN201920660768.XU CN201920660768U CN210194070U CN 210194070 U CN210194070 U CN 210194070U CN 201920660768 U CN201920660768 U CN 201920660768U CN 210194070 U CN210194070 U CN 210194070U
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- bobbin
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- yarn guide
- tension
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Abstract
The utility model provides a compound twisting frame first twist backing-off bobbin tension balanced control device. The utility model discloses an install the fixed side pipe of last row's of arranging guide creel above backing-off bobbin, go up to arrange the fixed side pipe of guide creel and be provided with a through-hole on, the thread guide connecting rod passes through-hole sub-unit connection thread guide, upper portion cover are equipped with a pressure spring, the bottom setting of pressure spring on porose layer board, the upper portion of pressure spring is fixed through porose preforming and fixation nut, porose preforming cover is in the thread guide connecting rod on, fixation nut passes through threaded connection and is in the top of thread guide connecting rod. The utility model discloses can make compound twisting frame reach the unwinding tension that twists thread initial stage and end stage unwinding bobbin and keep unanimous, reduce or stop the quality fault that consequently causes.
Description
The technical field is as follows:
the utility model relates to a compound twisting frame first twist backing-off bobbin tension balanced control device belongs to spinning equipment technical field.
Background art:
the production process of the two-step method is replaced by the one-step twisting process, the composite twisting machine is convenient to operate, energy-saving and efficient, labor is saved, and the like, and the composite twisting machine becomes a substitute term, particularly the 1000 g large-package composite twisting machine is produced, the unit yield and the unit output labor amount are only 25% of the labor amount of the two-step twisting production in the past, and the production labor cost is greatly reduced. However, as the amount of winding increases, the diameter of the upper winder unwinding spool increases accordingly. Due to the increase of the pipe diameter, the friction between the yarn and the edge of the bobbin can generate larger tension when the unwinding bobbin is unwound to the end stage, so that a larger tension difference is generated between the initial unwinding tension and the end unwinding tension of the unwinding bobbin in the twisting production process, and due to the larger tension difference factor, the elongation of the finished yarn in the initial stage and the end stage is larger difference, and the difference can be accepted by low-end products, but for high-end yarn products, the elongation is an important physical index for measuring the quality standard of the yarn. This tension difference can cause product quality defects.
The utility model has the following contents:
the utility model aims at the problem that the aforesaid exists provides a compound twisting frame first twist backing-off cone tension balanced control device, makes compound twisting frame reach the initial stage of twisting thread and has kept unanimous with the backing-off tension that the stage had backed-off the cone last, reduces or stops the quality fault that consequently causes.
The above purpose is realized by the following technical scheme:
the tension balance control device for the first-twist unwinding bobbin of the composite twisting machine comprises an upper-row yarn guide frame fixing square pipe arranged above the unwinding bobbin, wherein a through hole is formed in the upper-row yarn guide frame fixing square pipe, a yarn guide device connecting rod penetrates through the lower portion of the through hole to be connected with a yarn guide device, a pressure spring is sleeved on the upper portion of the upper-row yarn guide frame fixing square pipe, the bottom of the pressure spring is arranged on a hole supporting plate, the upper portion of the pressure spring is fixed with a fixing nut through a hole pressing sheet, the hole pressing sheet is sleeved on the yarn guide device connecting rod, and the fixing nut is connected to the top end.
According to the tension balance control device for the first-twist unwinding bobbin of the composite twisting machine, the compression spring adopts a compression spring with the elastic coefficient of (0.5-1.5) g/mm, and the initial length of the compression spring is 100-150 mm.
The composite twisting machine is characterized in that the tension balance control device for the first-twist backing-off bobbin is characterized in that the aperture of the through hole and the aperture of the supporting plate with the hole are both larger than the diameter of the connecting rod of the yarn guide.
The tension balancing control device for the first-twist backing-off bobbin of the composite twisting machine is characterized in that the perforated supporting plate is arranged on the upper-row yarn guide frame fixing square tube.
Has the advantages that:
the utility model discloses with the extension of filar guide connecting rod and set up a pressure spring above the filar guide pull rod, when the backing-off tension of the bobbin of backing-off of last row was too big, the effect of yarn tension arouses the pressure spring by compressive deformation, tension factor can be transformed into the pulling force, will extension filar guide connecting rod stretch downwards and draw, make the balloon height shorten, make balloon diameter grow make backing-off fibre break away from with the bobbin on the friction at border simultaneously, plan to reach the purpose that keeps balanced tension, make composite twisting machine reach the initial stage of twisting thread and the backing-off tension that has finished stage backing-off the bobbin keep unanimous, reduce or stop the quality defect that consequently causes.
Description of the drawings:
fig. 1 is a schematic structural diagram of the present invention.
In figure 1, unwinding the bobbin; 2. the upper row of yarn guide frames are used for fixing the square tubes; 3. a guidewire device connecting rod; 4. a thread guide; 5. a pressure spring; 6. a perforated pallet; 7. tabletting with holes; 8. and (5) fixing the nut.
The specific implementation mode is as follows:
example 1:
as shown in fig. 1: the tension balance control device for the first-twist unwinding bobbin of the composite twisting machine comprises an upper-row yarn guide frame fixing square tube 2 arranged above an unwinding bobbin 1, wherein a through hole is formed in the upper-row yarn guide frame fixing square tube, a yarn guide device connecting rod 3 penetrates through the lower portion of the through hole to be connected with a yarn guide device 4, a pressure spring 5 is sleeved on the upper portion of the upper-row yarn guide frame fixing square tube, the bottom of the pressure spring is arranged on a hole supporting plate 6, the upper portion of the pressure spring is fixed through a hole pressing sheet 7 and a fixing nut 8, the hole pressing sheet is sleeved on the yarn guide device connecting rod, and the fixing nut is connected to the top end.
According to the tension balance control device for the first-twist unwinding bobbin of the composite twisting machine, the compression spring adopts a compression spring with the elastic coefficient of (0.5-1.5) g/mm, and the initial length of the compression spring is 100-150 mm.
The composite twisting machine is characterized in that the tension balance control device for the first-twist backing-off bobbin is characterized in that the aperture of the through hole and the aperture of the supporting plate with the hole are both larger than the diameter of the connecting rod of the yarn guide.
The tension balancing control device for the first-twist backing-off bobbin of the composite twisting machine is characterized in that the perforated supporting plate is arranged on the upper-row yarn guide frame fixing square tube.
The working principle is as follows:
in the twisting production process, the upper row of backing-off bobbins rotate at a high speed to perform backing-off action, fibers on the bobbins are in a full-load state in the initial backing-off stage, the starting point of a backing-off balloon is close to the outer edge of the bobbins, and the fibers cannot rub against the upper edge of the bobbins when being backed-off under the action of centrifugal force, so that the backing-off tension of the upper row of backing-off bobbins is small in the full-bobbin initial backing-off stage, generally about 13-16 g.
Under the condition of single balloon height (the balloon height refers to the vertical distance from the upper-row yarn guide to the upper edge of the unwinding bobbin), along with the gradual reduction of the fibers on the upper-row unwinding bobbin, the starting point of the balloon gradually moves inwards towards the center of the bobbin, when the fiber on the bobbin moves inwards to a certain degree, the fiber on the bobbin can rub against the upper edge of the bobbin during unwinding, due to the effect of friction, the unwinding tension at the moment begins to increase and change, along with the gradual movement of the starting point of the balloon towards the center of the bobbin, the unwinding tension also gradually increases, the maximum unwinding tension can reach more than 2 times of the initial unwinding tension, namely the maximum unwinding tension at the tail end can reach more than 32 grams, and the fiber can be overstretched.
At the same speed, when the height of the balloon varies, the diameter of the balloon is smaller when the height is greater (the vertical distance from the upper row of guides to the upper edge of the unwinding bobbin is longer). On the contrary, when the height is smaller (the vertical distance from the upper-row yarn guide to the upper edge of the unwinding bobbin is shorter), the diameter of the balloon is increased, and the lengths of the two balloons are found to be approximately equal when the yarns of the two balloons are straightened for measurement. The principle is that the energy conservation release is generated under the influence of centrifugal force factors and wind resistance factors.
The utility model discloses an operating principle is, when the backing-off tension of the bobbin of last row was too big, the effect of yarn tension arouses the pressure spring by compressive deformation, and tension factor can be transformed into the pulling force, will extension yarn guide connecting rod draw downwards, make the balloon height shorten, make balloon diameter grow make backing-off fibre break away from with the bobbin on the friction at border simultaneously, plan to reach the purpose that keeps balanced tension.
The technical means disclosed by the scheme of the utility model is not limited to the technical means disclosed by the technical means, but also comprises the technical scheme consisting of the equivalent replacement of the technical features. The present invention is not to be considered as the best thing, and belongs to the common general knowledge of the technicians in the field.
Claims (4)
1. A composite twisting machine first twist backing-off bobbin tension balancing control device is characterized in that: the unwinding device comprises an upper-row yarn guide frame fixing square tube arranged above an unwinding barrel, wherein a through hole is formed in the upper-row yarn guide frame fixing square tube, a yarn guide device connecting rod penetrates through the lower portion of the through hole to be connected with a yarn guide device, a pressure spring is sleeved on the upper portion of the through hole, the bottom of the pressure spring is arranged on a hole supporting plate, the upper portion of the pressure spring is fixed with a fixing nut through a hole pressing sheet, the hole pressing sheet is sleeved on the yarn guide device connecting rod, and the fixing nut is connected to the top end of the yarn guide device connecting rod.
2. The tension balance control device for the first-twist unwinding bobbin of the composite twisting machine according to claim 1, characterized in that: the compression spring adopts a compression spring with the elastic coefficient of 0.5-1.5g/mm, and the initial length of the compression spring is 100-150 mm.
3. The tension balance control device for the first-twist unwinding bobbin of the composite twisting machine according to claim 1, characterized in that: the aperture of the through hole and the aperture of the supporting plate with the hole are both larger than the diameter of the thread guide connecting rod.
4. The tension balance control device for the first-twist unwinding bobbin of the composite twisting machine according to claim 1, characterized in that: the perforated supporting plate is arranged on the upper row of yarn guide frame fixing square tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920660768.XU CN210194070U (en) | 2019-05-09 | 2019-05-09 | Tension balancing control device for first-twist backing-off bobbin of composite twisting machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920660768.XU CN210194070U (en) | 2019-05-09 | 2019-05-09 | Tension balancing control device for first-twist backing-off bobbin of composite twisting machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210194070U true CN210194070U (en) | 2020-03-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920660768.XU Active CN210194070U (en) | 2019-05-09 | 2019-05-09 | Tension balancing control device for first-twist backing-off bobbin of composite twisting machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210194070U (en) |
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2019
- 2019-05-09 CN CN201920660768.XU patent/CN210194070U/en active Active
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