CN201121228Y - Back zone drafting detwister for spinning frame - Google Patents
Back zone drafting detwister for spinning frame Download PDFInfo
- Publication number
- CN201121228Y CN201121228Y CNU2007200438558U CN200720043855U CN201121228Y CN 201121228 Y CN201121228 Y CN 201121228Y CN U2007200438558 U CNU2007200438558 U CN U2007200438558U CN 200720043855 U CN200720043855 U CN 200720043855U CN 201121228 Y CN201121228 Y CN 201121228Y
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- China
- Prior art keywords
- roller
- rear zone
- draft
- spinning frame
- untwisting
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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.)
- Expired - Fee Related
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Abstract
The utility model discloses a rear zone draft untwisting device used for a spinning frame. The rear zone draft untwisting device is provided with a supporting frame installed on transversely moving flat iron corresponding to a guide trumpet head, and is at least provided with a roller, the roller is movably covered on a roller axle, the roller axle is fixed on the supporting frame, a trumpet type groove for roving penetrating through is arranged on the circumferential surface of the roller, and the circumferential rotating direction of the groove has a certain included angle with the moving direction of the roving. When the roller passes through the roving, a certain twist level can be untwisted, and thereby the drawing force is reduced. The rear zone draft untwisting device is installed on the transversely moving flat iron corresponding to the guide trumpet head, and is transversely moved along with the roving, and the service life of the rubber-covered roller and the rubber ring cannot be influenced. The designed rear zone draft untwisting device of the spinning frame has obvious untwisting effect through practical use, the rear zone drafting force is evidently reduced, and the rear zone draft untwisting device is favorable for the increment of the rear zone draft multiple, and is also favorable for the improvement of the front zone draft efficiency and the total draft, thus having certain practical value to the improvement of the spinning quality and the reduction of the production cost.
Description
Technical field
The utility model relates to a kind of parts that drafting assembly of spinning frame is used that are used for, and is used for the rove untwisting of spinning, drawing process.
Background technology
The fine spining machine back zone drafting multiple is generally not high both at home and abroad at present, though there is the several method imagination to improve back zone drafting multiple, as INA-V type drafting system, the four cushion rubber drafting systems of German Yi Na company, adopt pressure bar backtwisting etc., but all can not get a desired effect through practical probation.
The middle roller jaw of serving as back area draft according to analysis is made up of two cushion rubbers up and down, jaw to fiber hold force rate a little less than, do not resemble front roller nip and form by the bottom roll of rubber roll and spline, better relatively to the power of holding of fiber.Because rove has certain twist, so certain drafting force is arranged, the purpose power of holding that reach normal drawing-off must be greater than drafting force, otherwise drawing-off do not have a meeting and cause fiber confusion in the rove yarn, influences spinning quality simultaneously.Back zone drafting multiple generally is controlled at below 1.5 times at present, still based on tension draft.
Summary of the invention
In order to overcome above-mentioned defective, the utility model provides a kind of drawing detwister in back area for spinning frame device, this drawing detwister in back area for spinning frame device carries out untwisting to the rove of back zone, the twist of rove is reduced, to reduce drafting force, guarantee the power of holding of middle roller jaw, can realize the drawing-off of the higher multiple in back zone.
The utility model for the technical scheme that solves its technical problem and adopt is: a kind of drawing detwister in back area for spinning frame device, be provided with a support, reach and be provided with a running roller at least, the running roller activity is placed on the rolling axle, rolling axle is fixed on the support, the running roller periphery is provided with the flared type groove that wears process for the rove yarn, between the circumference rotation trend of flared type groove and the trend of rove yarn certain angle is arranged.
Further technical scheme of the present utility model is:
Press the acute angle direction and calculate, described angle is spent between 30 degree 10.
Be provided with first and second two running rollers, two running rollers activity respectively are placed on two rolling axles, and two rolling axles are individually fixed in support the same side, and second angle between two rolling axles is spent between 45 degree 15,
Groove is V-shaped.
The circle diameter that flared type bottom portion of groove on the running roller periphery forms is: 5～10 millimeters.
The beneficial effects of the utility model are: this routine operation principle is: this example is installed between middle roller and the rear roller during use, support is installed on the band iron that traverses of corresponding guide head of the trumpet, the circumference rotation of the tubaeform groove on the running roller periphery is moved towards and the rove yarn is in the same way and certain angle is arranged, the rove yarn is compressed pass the tubaeform groove on the running roller periphery, the left side of being fixed in support according to the rotation direction and the rolling axle of rove or the situation on right side, be the rove yarn from the rear roller jaw come out the back below running roller or above pass and then enter the middle roller jaw again, this is to be untwisting for realizing that rove yarn through untwisting device rotates relative middle roller jaw, the rear roller jaw is that (this is the technology of the easy realization of same domain technical staff in twisting relatively, this example no longer repeats), when can driving running roller when move in the proparea, the rove yarn rotates like this, owing between the circumference of the tubaeform groove on running roller periphery rotation trend and the rove yarn trend certain angle is arranged, therefore the rotation of running roller can make rove yarn self rotation again, reaches the untwisting purpose with this relative middle roller jaw.Therefore, when the rove yarn at running roller through out-of-date relative middle roller jaw certain twist of decorporating, drafting force is reduced, can't cause damage to the rove yarn, and this example is simple in structure, reliable operation and cost are lower.
Description of drawings
The utility model is described in further detail below in conjunction with the drawings and specific embodiments.
Fig. 1 is running roller described in the utility model and rolling axle schematic diagram;
Fig. 2 is a vertical view of the present utility model;
Fig. 3 is a left view of the present utility model;
Fig. 4 is one of untwisting schematic diagram described in the utility model (running roller is in the support left side);
Fig. 5 is two (running roller is on the support right sides) of untwisting schematic diagram described in the utility model;
Fig. 6 is loaded on partial schematic diagram on the fine spining machine for the utility model.
Among the figure: 1. first running roller; 11. first rolling axle; 2. second running roller; 21. second rolling axle; 3. support; 4. rove yarn; 5. middle roller jaw; 6. cushion rubber; 7. rear roller jaw; 8. guide head of the trumpet; 9. band iron traverses.
The specific embodiment
Embodiment: a kind of drawing detwister in back area for spinning frame device, be provided with a support, reach and be provided with a running roller at least, the running roller activity is placed on the rolling axle, rolling axle is fixed on the support, the running roller periphery is provided with the flared type groove that wears process for the rove yarn, between the circumference rotation trend of flared type groove and the trend of rove yarn certain angle is arranged.
Press the acute angle direction and calculate, described angle is spent between 30 degree 10.
Be provided with first and second two running rollers, two running rollers activity respectively are placed on two rolling axles, and two rolling axles are individually fixed in support the same side, and second angle between two rolling axles is spent between 45 degree 15,
Groove is V-shaped.
The circle diameter that flared type bottom portion of groove on the running roller periphery forms is: 5～10 millimeters.
Preferably establish first and second two running rollers in this example, the effect of working like this is better, as establish three with upper roll wheel then one trouble, cost height are installed, its two work effect and two running rollers are similar.
Be the example explanation to establish first and second two running roller below:
This example is installed between middle roller and the rear roller during use, support is installed on the band iron that traverses of corresponding guide head of the trumpet, on the support first, certain angle is arranged between two rolling axles, first, the circumference of v-depression rotation trend is in the same way with the rove yarn and certain angle is all arranged on the two running roller peripheries, the rove yarn is compressed pass first, v-depression on the two running roller peripheries, rotation direction and first according to rove, two rolling axles are fixed in the situation on the left side or the right side of support, be the rove yarn from the rear roller jaw come out the back earlier below second running roller or above pass then pass again above first running roller or below enter the middle roller jaw again, this is to be in untwisting for realizing that rove yarn through untwisting device rotates relative middle roller jaw, the rear roller jaw is that (this is the technology of the easy realization of same domain technical staff in twisting relatively, this example no longer repeats), when moving, the proparea can drive first when the rove yarn like this, two running rollers rotate, because first, between the circumference rotation trend of the v-depression on the two running roller peripheries and the rove yarn trend certain angle is arranged all, so first, the rotation of two running rollers can make rove yarn self rotation again, reaches the purpose of untwisting with this relative middle roller jaw.Therefore, when the rove yarn at first and second two running rollers through out-of-date relative middle roller jaw certain twist of decorporating, drafting force is reduced, can't cause damage to the rove yarn; That is to say: rotating relative middle roller jaw 5 through the rove yarn of untwisting device in the utility model is that in untwisting and relatively rear roller jaw 7 is that (it is relevant that the realization of untwisting and twisting and rove yarn recited above pass the mode of first and second running roller etc. in twisting, this is the easily technology of realization of same domain technical staff, this example no longer repeats), just to have formed the twist poor for rove yarn in the back zone like this, help drawing-off speed change point to reach, help the uniformity that the drawing-off bar is done.
Support described in this example is installed on the band iron that traverses of corresponding guide head of the trumpet, traverses with the rove yarn, does not influence the service life of rubber roll cushion rubber.Prove that through practical probation this fine spining machine back area draft untwisting device untwisting effect is obvious, the drafting force of rove is reduced, help strengthening back zone drafting multiple, help improving proparea drawing-off efficient and total draft multiple, therefore have certain practical value improving spinning quality and reducing production costs.
In this example, the angle between the diameter of first and second two running rollers and first and second rolling axle (or the angle between the circumference of groove rotation trend and the rove yarn trend) all can influence the untwisting degree of rove yarn.
The main application principle of the utility model is: owing between the trend of the circumference of flared type groove rotation trend and rove yarn certain angle is arranged, the rove yarn self can rotate when driving the running roller rotation like this, thereby play twisting of running roller one side and the untwisting of running roller opposite side or running roller one side untwisting and the twisting of running roller opposite side, this above running roller, pass relevant below still with the rove yarn or rove yarn and the circumference of flared type groove rotate move towards between the angle direction relevant, be the technological means of the easy realization of art technology, this example no longer repeats.
In this example, claim the back zone of fine spining machine drawing-off between rear roller jaw and the middle roller jaw, claim the proparea of fine spining machine drawing-off between middle roller jaw and the front roller nip.
Claims (5)
1. drawing detwister in back area for spinning frame device, it is characterized in that: be provided with a support, reach and be provided with a running roller at least, the running roller activity is placed on the rolling axle, rolling axle is fixed on the support, the running roller periphery is provided with the flared type groove that wears process for the rove yarn, between the circumference rotation trend of flared type groove and the trend of rove yarn certain angle is arranged.
2. drawing detwister in back area for spinning frame device according to claim 1 is characterized in that: press the acute angle direction and calculate, described angle is spent between 30 degree 10.
3. drawing detwister in back area for spinning frame device according to claim 1 and 2, it is characterized in that: be provided with first and second two running rollers, two running rollers activity respectively are placed on two rolling axles, and two rolling axles are individually fixed in support the same side, second angle between two rolling axles is spent between 45 degree 15
4. drawing detwister in back area for spinning frame device according to claim 3, it is characterized in that: groove is V-shaped.
5. drawing detwister in back area for spinning frame device according to claim 4 is characterized in that: the circle diameter that the flared type bottom portion of groove on the running roller periphery forms is: 5～10 millimeters.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200438558U CN201121228Y (en) | 2007-10-22 | 2007-10-22 | Back zone drafting detwister for spinning frame |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200438558U CN201121228Y (en) | 2007-10-22 | 2007-10-22 | Back zone drafting detwister for spinning frame |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201121228Y true CN201121228Y (en) | 2008-09-24 |
Family
ID=40008454
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200438558U Expired - Fee Related CN201121228Y (en) | 2007-10-22 | 2007-10-22 | Back zone drafting detwister for spinning frame |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201121228Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101418483B (en) * | 2007-10-22 | 2012-07-04 | 施景琪 | Drawing detwister in back area for spinning frame |
-
2007
- 2007-10-22 CN CNU2007200438558U patent/CN201121228Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101418483B (en) * | 2007-10-22 | 2012-07-04 | 施景琪 | Drawing detwister in back area for spinning frame |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080924 Termination date: 20091123 |