CN101876110A - Full carbon fiber top pin with plug-in tail structure and manufacturing method thereof - Google Patents
Full carbon fiber top pin with plug-in tail structure and manufacturing method thereof Download PDFInfo
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- CN101876110A CN101876110A CN 201010240848 CN201010240848A CN101876110A CN 101876110 A CN101876110 A CN 101876110A CN 201010240848 CN201010240848 CN 201010240848 CN 201010240848 A CN201010240848 A CN 201010240848A CN 101876110 A CN101876110 A CN 101876110A
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Abstract
The invention provides a full carbon fiber top pin with a plug-in tail structure and a manufacturing method thereof, relating to the field of textile machinery parts. The carbon fiber top pin comprises a main part mechanism, a tensioning supporting plate, a telescopic spring, a spacing block and a tail structure, wherein the main part mechanism is an integral structure and comprises a top pin frame main body, a front region left press bar and a front region right press bar, a rear left swallow-tail bolt slot and a rear region right swallow-tail bolt slot, and a rear region elastic clip fastening groove; the tail mechanism is an integral structure and comprises a tail main body, a left swallow-tail bolt and right swallow-tail bolt, an elastic buckle and a rear press bar, and the left and right swallow-tail bolts are connected with the rear region left and right swallow-tail bolt slots in a plug-in manner; and the carbon fiber material adopted as a raw material in the invention is carbon fiber reinforced nylon 66. The invention has the beneficial effects that the whole device is manufactured by full carbon fiber, thus avoiding static generation, absorbing no dust, improving yarn quality and simplifying production process; and the main part mechanism can serve as a top pin part to work singly. The full carbon top pin can be connected with the tail part mechanism of a single or double-rear pressure bar at random on the same main part mechanism with firm interconnection and convenient disassembly.
Description
Technical field
The present invention is a kind of carbon fiber top pin, particularly a kind of plug-in tail structure formula full carbon fiber top pin, and the drawing-off utensil for spinning machine relates to the textile machine field of components.
Background technology
In the spinning production process, the drafting system of spinning machine is to yarn quality quality decisive role.The drafting system of spinning machine is mainly by reel cage, roller, rubber roll, last cushion rubber, following cushion rubber, last pin, components and parts such as downside pin are formed, friction circle that above-mentioned components and parts form when work is being controlled between fiber and fiber and is being moved, make in the yarn and produce relative displacement between the fiber and fiber, a certain amount of Fiber Distribution is on longer fragment, reach the drawing-off purpose, on, downside pin and last, following cushion rubber form one soft and have the drawing-off proparea cushion rubber of certain pressure to grip jaw, the working face of jaw contacts the boundary that produces friction with yarn, it between last cushion rubber jaw and front roller nip the no control zone (or claiming to swim the district) of yarn, in, be the drawing-off back zone between rear roller, do not have friction circle therebetween and exist.Because the physical features diversity of fiber, exist differences such as length, thickness, varicose, thereby fiber (particularly staple fibre) movement velocity that in no control zone, is in free state and does not have power circle control, constraint be subjected to fast on every side, slow speed fiber extruding, rub, involve and unordered variation, invite the dispersion of speed change point position of this fibrid bigger thus, its result is that resultant yarn is thick, the generation of details, and bar evenness is poor.At above-mentioned defective, the patent No. is 200820136151.X, and denomination of invention is " before and after having pressure bar go up pin ", can be in the no control zone of the proparea of drawing-off and back zone to the sliver control that presses, raising spinning yarn quality.But the forward and backward pressure bar of the said goods is the stress metal rod, and the surface cut of stress metal rod, grinding and electroplating technology be more complicated also, and production cost is higher; And the surface of stress metal rod is the absorption dust easily, and yarn is caused new pollution.
Because the difference of spinning kind, the user need use pressure bar sometimes, does not need pressure bar sometimes again, and the user just need have the multiple pin of going up like this, also wants the whole pin of going up to replace, and is very inconvenient.In addition then, employed upward pin kind is more on the spinning machine, pin is a product commonly used on the telescopic elasticity of jaw, because its elastic nip stretching, extension, swing spatially, causing the key parameter of pin---middle top roller center to the size of jaw has nothing in common with each other because of circle difference directly between last cushion rubber, that is the ingot of no control zone scope that has produced the drawing-off proparea is poor, causes the yarn quality instability.
Summary of the invention
The objective of the invention is in the above-mentioned prior art, the surface cut of stress metal rod, grinding and electroplating technology be more complicated also, and production cost is higher; Need have the multiple pin of going up, replace very inconvenient; Elastic nip stretching, extension, swing spatially, the surface of stress metal rod is the defective of absorption dust easily, provide a kind of carbon fiber upper pin assembly of tool pressure bars with combined structure, but simplified processing process reduces production costs; Do not need to have the multiple pin of going up, it is convenient to replace; Overcome jaw stretching, extension, the swing spatially of elastic nip carbon fiber top pin, and be not easy to adsorb dust.
The technical scheme taked of the present invention is to achieve these goals: plug-in tail structure formula full carbon fiber top pin, for selling on the vertical tensioner elasticity, comprise principal part mechanism, left and right tensioning supporting plate, left and right coil tension spring, spacing block, left and right tensioning supporting plate comprise the Elastic buckle and the working face sleeve behind of working face, both sides respectively, the front and rear direction of working face is the arch cambered surface, also comprises tail structure; Principal part mechanism is structure as a whole, and comprises top-pin rack main body, the left and right pressure bar in proparea, back zone left and right dove-tail form latch groove and back zone Elastic buckle groove, and the top-pin rack main body comprises the left and right jaw of front end; Tail structure is structure as a whole, and comprises the afterbody main body, left and right dove-tail form latch, and Elastic buckle and back pressure bar, back pressure bar can be single rod or double stick; The back zone left and right dove-tail form latch groove of the left and right dove-tail form latch of tail structure and principal part mechanism is socket connection.
The left and right pressure bar in described proparea comprises left and right pressure barred body and left and right connecting portion, and left and right pressure barred body is the elongated shape barred body, and its cross section can be circle, water droplet shape, be arranged in parallel before the left and right jaw of the front end of top-pin rack main body; Left and right connecting portion is in the spacing block both sides, with left and right pressure barred body and the left and right jaw of front end all be arranged perpendicular.
Described left and right pressure barred body is circular.
The back zone left and right dove-tail form latch groove of described principal part mechanism, in top-pin rack body rear both sides backward directions, with vertical setting of the left and right pressure bar in proparea, back zone left and right dove-tail form latch groove is triangular in shape.
The left and right dove-tail form latch of described tail structure is arranged on the and arranged on left and right sides on tail structure top, triangular in shape, size is complementary with the back zone left and right dove-tail form latch groove of principal part mechanism, and left and right dove-tail form latch triangular in shape and left and right dove-tail form latch groove triangular in shape are socket connection.
The back zone Elastic buckle groove of described principal part mechanism is positioned at centre position, principal part mechanism rear end, is spill, and the Elastic buckle of tail structure is arranged on the centre position on tail structure top, and Elastic buckle and principal part mechanism back zone Elastic buckle groove are that plug button connects and connects.
Described back pressure bar is single rod.
Described back pressure bar is a double stick.
The left and right direction of described left and right tensioning supporting plate working face also is arch, and the high h of arch is the 0.2-0.6 millimeter.
The high h of left and right direction arch of described left and right tensioning supporting plate working face is 0.4 millimeter.
Principal part of the present invention mechanism comprises that top-pin rack main body, the left and right pressure bar in proparea, back zone left and right dove-tail form latch groove and back zone Elastic buckle groove are structure as a whole, and all makes of the fine nylon material of carbon, is formed by the disposable compression moulding of formation mould.Tail structure of the present invention comprises the afterbody main body, left and right dove-tail form latch, and Elastic buckle and back pressure bar are structure as a whole, and also are to make of the fine nylon material of carbon, are formed by the disposable compression moulding of formation mould.
The preparation method of plug-in tail structure formula full carbon fiber top pin, comprise get the raw materials ready, injection mo(u)lding, be specially:
(1) the raw material carbon fibre material that is adopted of getting the raw materials ready is the carbon fiber enhanced nylon 66, and its trade mark is HH-CFRPA66-B5, and chemical composition is: PA66EPR27 is 64%, the beautiful carbon fibre 35% in CF east, antioxidant 0.4%, coupling agent 0.3%, dispersant 0.3%.
(2) injection mo(u)lding condition:
A baking temperature: 100-110 ℃, drying time 4h-8h;
B injection temperature: 260-290 ℃, mold temperature: 80-100 ℃.
Compared with prior art, the invention has the beneficial effects as follows:
(1) because the overall structure of full carbon fiber top pin comprises that forward and backward pressure bar is that the fine nylon material of carbon is made, yarn directly contacts with the fine nylon material of carbon in working order, has avoided the generation of static, can not adsorb dust, yarn is not produced and pollutes.
(2) because tail structure and principal part mechanism are socket connection, when not needing the back pressure bar of tail structure, principal part mechanism can be used as upper pin part, works independently.Again because the tail structure of single, double back pressure bar is unified with the plug receptacle of principal part mechanism, just can be according to the production needs, in same principal part mechanism, connect single, double pressure bar afterwards arbitrarily.Thereby, improved the utilization rate of upper pin part, also made things convenient for to produce and carried out.
(3) left and right dove-tail form latch triangular in shape and left and right dove-tail form latch groove triangular in shape are socket connection, and the tail structure and the principal part mechanism of band back pressure bar are patched firmly.And pulling up of tail structure is also very convenient.In installment state, Elastic buckle, because its elastic reaction, front end is stuck in the principal part mechanism back zone Elastic buckle groove, has played positioning action, tail structure can not come off in working order.When needing dismounting, as long as the Elastic buckle front end, break off with the fingers and thumb round about a bit gently, front end just can pass through back zone Elastic buckle groove, just can extract the tail structure of band back pressure bar like a cork backward.
(4) in the principal part mechanism, left and right pressure bar in proparea and top-pin rack main body are structure as a whole, and left and right pressure bar connecting portion is firm in structure, have guaranteed the left and right pressure bar working stability in proparea.
(5) simplified processing process, forward and backward pressure bar need not be made separately, has simplified processing technology, has reduced production cost.
(6) can make its cushion rubber in the normal direction tensioning on last cushion rubber inoperative limit, effectively overcome the jaw stretching, extension spatially of elastic nip carbon fiber top pin, the various adverse effects that swing is caused, improve yarn quality.
Description of drawings
Accompanying drawing 1 (A) is: the front view of the present invention of the single back of band pressure bar;
Accompanying drawing 1 (B) is: enlarged drawing is looked on the left side of the present invention of the single back of band pressure bar;
Accompanying drawing 2 (A) is: the front view of the present invention of the two back of band pressure bar;
Accompanying drawing 2 (B) is: enlarged drawing is looked on the left side of the present invention of the two back of band pressure bar;
Accompanying drawing 3 (A) is: the tail structure front view of the single back of band pressure bar;
Accompanying drawing 3 (B) is: the tail structure upward view of the single back of band pressure bar;
Accompanying drawing 3 (C) is: the tail structure side-looking cutaway view Amplified image of the single back of band pressure bar;
Accompanying drawing 4 (A) is: the tail structure front view of the two back of band pressure bar;
Accompanying drawing 4 (B) is: the tail structure upward view of the two back of band pressure bar;
Accompanying drawing 4 (C) is: the tail structure side-looking cutaway view Amplified image of the two back of band pressure bar;
Accompanying drawing 5 (A) is: principal part mechanism front view;
Accompanying drawing 5 (B) is: principal part mechanism rearview;
Accompanying drawing 5 (C) is: principal part mechanism upward view;
Accompanying drawing 5 (D) is: principal part mechanism right view;
Accompanying drawing 5 (E) is: accompanying drawing 5 (B) A-A cutaway view;
Accompanying drawing 5 (F) is: accompanying drawing 5 (B) B-B cutaway view;
Accompanying drawing 6 (A) is: the left and right tensioning supporting plate of the present invention master looks cutaway view;
Accompanying drawing 6 (B) is: the left and right tensioning supporting plate of the present invention left view.
Description of reference numerals: 1 principal part mechanism, 11 top-pin rack main bodys, 111 front end left sides, a left side, right jaw 12 proparea, right pressure bar 121 left sides, right pressure barred body 122 left sides, a left side, right connecting portion 13 back zone, Elastic buckle groove 2 left sides, right dove-tail form latch groove 14 back zone, right tensioning supporting plate 21 working faces 22 Elastic buckles 23 sleeves 3 left sides, right coil tension spring 4 spacing blocks 5 tail structures 51 afterbody main bodys 52 left sides, right dove-tail form latch 53 Elastic buckles 54 single back pressure bars 55 back pressure bar h arch height
The specific embodiment
The invention will be further described below in conjunction with the drawings and specific embodiments, but not as a limitation of the invention.
Embodiment 1
Press shown in Fig. 1 (A), (B), Fig. 3 (A), (B) and Fig. 5 (A)-Fig. 6 (B), plug-in tail structure formula full carbon fiber top pin, for selling on the vertical tensioner elasticity, comprise principal part mechanism 1, left and right tensioning supporting plate 2, left and right coil tension spring 3, spacing block 4, left and right tensioning supporting plate 2 comprises the Elastic buckle 22 and the working face sleeve 23 behind of working face 21, both sides respectively, and the front and rear direction of working face 21 is the arch cambered surface, also comprises tail structure 5; Principal part mechanism 1 is structure as a whole, and comprises top-pin rack main body 11, the left and right pressure bar 12 in proparea, back zone left and right dove-tail form latch groove 13 and back zone Elastic buckle groove 14, and the top-pin rack main body comprises the left and right jaw 111 of front end; Tail structure 5 is structure as a whole, and comprises afterbody main body 51, left and right dove-tail form latch 52, and Elastic buckle 53 and back pressure bar 54, back pressure bar 54 are single rod; The left and right dove-tail form latch 52 of tail structure 5 is socket connection with the back zone left and right dove-tail form latch groove 13 of principal part mechanism 1.The left and right pressure bar 12 in proparea comprises left and right pressure barred body 121 and left and right connecting portion 122, and left and right pressure barred body 121 is the elongated shape barred body, and its cross section is circular, be arranged in parallel before the left and right jaw 111 of the front end of top-pin rack main body 11; Left and right connecting portion 122 is in spacing block 4 both sides, with left and right pressure barred body 121 and the left and right jaw 111 of front end all be arranged perpendicular.
The back zone of principal part mechanism 1 left and right dove-tail form latch groove 13, in both sides, top-pin rack main body 11 rear end backward directions, with the left and right pressure bar 12 vertical settings in proparea, back zone left and right dove-tail form latch groove 13 is triangular in shape.The left and right dove-tail form latch 52 of tail structure 5 is arranged on the and arranged on left and right sides on tail structure 5 tops, triangular in shape, size is complementary with the back zone left and right dove-tail form latch groove 13 of principal part mechanism 1, and left and right dove-tail form latch 52 triangular in shape is socket connection with left and right dove-tail form latch groove 13 triangular in shape.The back zone Elastic buckle groove 14 of principal part mechanism is positioned at centre position, principal part mechanism 1 rear end, be spill, the Elastic buckle 53 of tail structure 5 is arranged on the centre position on tail structure 5 tops, and Elastic buckle 53 and principal part mechanism back zone Elastic buckle groove 14 connect for plug button connects.The left and right direction of working face 21 also is arch, and the high h of arch is 0.4 millimeter.
All make with the principal part mechanism 1 of pressure bar 12 before left and right and the tail structure 5 of the single back of band pressure bar 54, form by the compression moulding of formation mould disposable integral of the fine nylon material of carbon.When principal part mechanism 1 and tail structure 5 assemblings, make the left and right dove-tail form latch 52 of tail structure 5 front ends earlier, Elastic buckle 53 is aimed at the left and right dove-tail form latch groove 13 and the back zone Elastic buckle groove 14 of principal part mechanism 1 rear end respectively, peg graft mutually again, pass completely through back zone Elastic buckle groove 14 until the Elastic buckle front end, Elastic buckle front end button is taken till principal part mechanism 1 rear end.When needing dismounting, as long as Elastic buckle 53 front ends, break off with the fingers and thumb round about a bit gently, Elastic buckle 53 front ends just can pass through back zone Elastic buckle groove 14, just can extract the tail structure 5 of the single back of band pressure bar 54 like a cork backward.
The preparation method of plug-in tail structure formula full carbon fiber top pin, comprise get the raw materials ready, injection mo(u)lding, be specially:
(1) the raw material carbon fibre material that is adopted of getting the raw materials ready is the carbon fiber enhanced nylon 66, and its trade mark is HH-CFRPA66-B5, and chemical composition is: PA66EPR27 is 64%, the beautiful carbon fibre 35% in CF east, antioxidant 0.4%, coupling agent 0.3%, dispersant 0.3%.
(2) injection mo(u)lding condition:
A baking temperature: 100-110 ℃, drying time 4h-8h;
B injection temperature: 260-290 ℃, mold temperature: 80-100 ℃.
Press shown in Fig. 2 (A), (B) and Fig. 4 (A)-Fig. 6 (B), plug-in tail structure formula full carbon fiber top pin for selling on the vertical tensioner elasticity, comprises principal part mechanism 1, left and right tensioning supporting plate 2, and left and right coil tension spring 3, spacing block 4 also comprises tail structure 5.The back pressure bar of tail structure 5 is two backs pressure bars 55.All make with the principal part mechanism 1 of pressure bar 12 before left and right and the tail structure 5 of the two back of band pressure bar 55, form by the compression moulding of formation mould disposable integral of the fine nylon of carbon.Surplus with embodiment 1.
Above-described embodiment, the present invention's 2 kinds of the specific embodiment more preferably just, the common variation that those skilled in the art carries out in the technical solution of the present invention scope and replacing all should be included in protection scope of the present invention.
Claims (11)
1. plug-in tail structure formula full carbon fiber top pin, for selling on the vertical tensioner elasticity, comprise principal part mechanism, left and right tensioning supporting plate, left and right coil tension spring, spacing block, left and right tensioning supporting plate comprise the Elastic buckle and the working face sleeve behind of working face, both sides respectively, the front and rear direction of working face is the arch cambered surface, it is characterized in that: also comprise tail structure; Principal part mechanism is structure as a whole, and comprises top-pin rack main body, the left and right pressure bar in proparea, back zone left and right dove-tail form latch groove and back zone Elastic buckle groove, and the top-pin rack main body comprises the left and right jaw of front end; Tail structure is structure as a whole, and comprises the afterbody main body, left and right dove-tail form latch, and Elastic buckle and back pressure bar, back pressure bar can be single rod or double stick; The back zone left and right dove-tail form latch groove of the left and right dove-tail form latch of tail structure and principal part mechanism is socket connection.
2. plug-in tail structure formula full carbon fiber top pin according to claim 1, it is characterized in that: the left and right pressure bar in described proparea comprises left and right pressure barred body and left and right connecting portion, left and right pressure barred body is the elongated shape barred body, its cross section can be circle, water droplet shape, be arranged in parallel before the left and right jaw of the front end of top-pin rack main body; Left and right connecting portion is in the spacing block both sides, with left and right pressure barred body and the left and right jaw of front end all be arranged perpendicular.
3. plug-in tail structure formula full carbon fiber top pin according to claim 2 is characterized in that: described left and right pressure barred body is for circular.
4. plug-in tail structure formula full carbon fiber top pin according to claim 1, it is characterized in that: the back zone left and right dove-tail form latch groove of described principal part mechanism, in top-pin rack body rear both sides backward directions, with vertical setting of the left and right pressure bar in proparea, back zone left and right dove-tail form latch groove is triangular in shape.
5. plug-in tail structure formula full carbon fiber top pin according to claim 1, it is characterized in that: the left and right dove-tail form latch of described tail structure is arranged on the and arranged on left and right sides on tail structure top, triangular in shape, size is complementary with the back zone left and right dove-tail form latch groove of principal part mechanism, and left and right dove-tail form latch triangular in shape and left and right dove-tail form latch groove triangular in shape are socket connection.
6. plug-in tail structure formula full carbon fiber top pin according to claim 1 is characterized in that: the back zone Elastic buckle groove of described principal part mechanism is positioned at centre position, principal part mechanism rear end, is spill; The Elastic buckle of tail structure is arranged on the centre position on tail structure top; Elastic buckle and principal part mechanism back zone Elastic buckle groove are that plug button connects and connects.
7. according to claim 1,4,5 or 6 described plug-in tail structure formula full carbon fiber top pins, it is characterized in that: described back pressure bar is single rod.
8. according to claim 1,4,5 or 6 described plug-in tail structure formula full carbon fiber top pins, it is characterized in that: described back pressure bar is a double stick.
9. plug-in tail structure formula full carbon fiber top pin according to claim 1 is characterized in that: the left and right direction of described left and right tensioning supporting plate working face also is arch, and the high h of arch is the 0.2-0.6 millimeter.
10. plug-in tail structure formula full carbon fiber top pin according to claim 9 is characterized in that: the high h of left and right direction arch of described left and right tensioning supporting plate working face is 0.4 millimeter.
11. the preparation method of plug-in tail structure formula full carbon fiber top pin, comprise get the raw materials ready, injection mo(u)lding, it is characterized in that:
(1) the raw material carbon fibre material that is adopted of getting the raw materials ready is the carbon fiber enhanced nylon 66, and its trade mark is HH-CFRPA66-B5, and chemical composition is: PA66EPR27 is 64%, the beautiful carbon fibre 35% in CF east, antioxidant 0.4%, coupling agent 0.3%, dispersant 0.3%.
(2) injection mo(u)lding condition:
A baking temperature: 100-110 ℃, drying time 4h-8h;
B injection temperature: 260-290 ℃, mold temperature: 80-100 ℃.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102408483A CN101876110B (en) | 2010-07-30 | 2010-07-30 | Full carbon fiber top pin with plug-in tail structure and manufacturing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102408483A CN101876110B (en) | 2010-07-30 | 2010-07-30 | Full carbon fiber top pin with plug-in tail structure and manufacturing method thereof |
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| Publication Number | Publication Date |
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| CN101876110A true CN101876110A (en) | 2010-11-03 |
| CN101876110B CN101876110B (en) | 2011-12-28 |
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| CN2010102408483A Expired - Fee Related CN101876110B (en) | 2010-07-30 | 2010-07-30 | Full carbon fiber top pin with plug-in tail structure and manufacturing method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH711153A1 (en) * | 2015-06-01 | 2016-12-15 | Rieter Ag Maschf | Cage with adjustable pressure rod attachment for one pressure roller pair of a drafting unit. |
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| EP0602388A1 (en) * | 1992-12-17 | 1994-06-22 | Rieter Ingolstadt Spinnereimaschinenbau AG | Pressing rod |
| EP0707100A2 (en) * | 1994-10-11 | 1996-04-17 | Kabushiki Kaisha Toyoda Jidoshokki Seisakusho | Drafting apparatus in spinning machine |
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| US20070169459A1 (en) * | 2003-10-17 | 2007-07-26 | Saurer Gmbh & Co Kg | Drawing frame with aprons entwined around twin output top delivery rollers |
| CN201045152Y (en) * | 2007-03-14 | 2008-04-09 | 方志明 | Top pin with additive front pressure bar |
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| CN201268750Y (en) * | 2008-10-06 | 2009-07-08 | 方志明 | Upper pin with front and rear press bars |
| EP2130956A1 (en) * | 2008-06-03 | 2009-12-09 | Kabushiki Kaisha Toyota Jidoshokki | Apron cradle for spinning frames |
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2010
- 2010-07-30 CN CN2010102408483A patent/CN101876110B/en not_active Expired - Fee Related
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0602388A1 (en) * | 1992-12-17 | 1994-06-22 | Rieter Ingolstadt Spinnereimaschinenbau AG | Pressing rod |
| EP0707100A2 (en) * | 1994-10-11 | 1996-04-17 | Kabushiki Kaisha Toyoda Jidoshokki Seisakusho | Drafting apparatus in spinning machine |
| DE19919410A1 (en) * | 1998-05-08 | 1999-11-11 | Toyoda Automatic Loom Works | Cage body for the upper belt in a drawing unit at a spinner |
| US20070169459A1 (en) * | 2003-10-17 | 2007-07-26 | Saurer Gmbh & Co Kg | Drawing frame with aprons entwined around twin output top delivery rollers |
| CN201045152Y (en) * | 2007-03-14 | 2008-04-09 | 方志明 | Top pin with additive front pressure bar |
| CN201162090Y (en) * | 2008-02-04 | 2008-12-10 | 张晓方 | Upper pin with adjustable tension for drafting system for spinning machine |
| EP2130956A1 (en) * | 2008-06-03 | 2009-12-09 | Kabushiki Kaisha Toyota Jidoshokki | Apron cradle for spinning frames |
| CN201268750Y (en) * | 2008-10-06 | 2009-07-08 | 方志明 | Upper pin with front and rear press bars |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH711153A1 (en) * | 2015-06-01 | 2016-12-15 | Rieter Ag Maschf | Cage with adjustable pressure rod attachment for one pressure roller pair of a drafting unit. |
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| CN101876110B (en) | 2011-12-28 |
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