CN209816403U - Slitter edge yarn scissors device of high-speed air jet loom - Google Patents
Slitter edge yarn scissors device of high-speed air jet loom Download PDFInfo
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- CN209816403U CN209816403U CN201920072985.7U CN201920072985U CN209816403U CN 209816403 U CN209816403 U CN 209816403U CN 201920072985 U CN201920072985 U CN 201920072985U CN 209816403 U CN209816403 U CN 209816403U
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- yarn
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Abstract
The utility model discloses a slitter edge yarn scissor device of a high-speed air jet loom, which comprises a lower scissor holder, an upper scissor holder and a stirring seat, wherein the lower scissor holder is positioned at one side of the upper scissor holder, the upper scissor holder is connected with the lower scissor holder through a rotary core screw, one end of the lower scissor holder is provided with a lower scissor blade through a bolt, one side of the lower scissor blade is provided with an upper scissor blade, the lower scissor blade is movably connected with the upper scissor blade, the upper scissor is provided with a thread pressing foot and an auxiliary thread pressing needle, the upper scissor holder is connected with the stirring seat through a stirring pin, and one side of the upper scissor holder is provided with a waste scissor eccentric screw; in the first scheme of the utility model, the whole structure is simple and ingenious, the production and processing cost is low, and two compression springs are used for ensuring the rebounding speed of the line pressing pin; in the utility model scheme two, cancelled original line ball foot, supplementary line ball needle, line ball spring, slider, locating piece, shift fork design, adopted the mode of jet-propelled yarn pressing.
Description
Technical Field
The utility model relates to a weaving equipment technical field specifically is a high-speed air jet loom's slitter edge yarn scissors device.
Background
The textile industry is an industry with high labor intensity and large external dependence in China. China is the biggest world textile garment production and export country, and the continuous and stable growth of textile garment export is crucial to ensuring foreign exchange storage, international balance of collection and balance, stable Renminbi exchange rate, and solving the sustainable development of social employment and textile industry in China. The raw materials of the textile mainly comprise cotton, cashmere, wool, silkworm cocoon silk, chemical fiber, feather and down, and the like. The downstream industries of the textile industry are mainly the clothing industry, household textiles, industrial textiles, and the like.
Under many circumstances, due to the rapid development of the textile industry, the requirement on the speed of the weaving machine is higher and higher, and the air jet loom is a kind of weaving machine with higher rotating speed, so that the waste selvage yarn scissors are required to be capable of adapting to the high-speed operation of the air jet loom, however, the existing waste selvage yarn scissors are often caused by the problems that the yarn cutting is not smooth, the weft yarn is easy to run out of the yarn pressing range and the like due to the structure, and the production and processing cost is increased.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a high-speed air jet loom's slitter edge yarn scissors device possesses simple structure ingenious, and the production and processing cost is low and avoid the woof to run out the advantage of pressing the yarn scope, can solve the problem among the prior art.
In order to achieve the above object, the utility model provides a following technical scheme:
the first scheme is as follows: a slitter edge yarn scissor device of a high-speed air jet loom comprises a lower scissor holder, an upper scissor holder and a shifting seat, wherein the lower scissor holder is positioned on one side of the upper scissor holder, a rotary core screw is installed at the bottom end of the upper scissor holder, the upper scissor holder is connected with the lower scissor holder through the rotary core screw, a copper bush is installed at one end of the lower scissor holder, a lower scissor blade is installed at the other end of the lower scissor holder through a bolt, an upper scissor blade is arranged on one side of the lower scissor blade, the lower scissor blade is movably connected with the upper scissor blade, a scissor pressing sheet is installed on one side of the upper scissor blade, both the scissor pressing sheet and the upper scissor blade are connected with the upper scissor holder, a wire pressing foot and an auxiliary wire pressing needle are installed on the upper scissor, a compression spring is installed on the outer side of the auxiliary wire pressing needle, a positioning block is installed at the top end of the compression spring, a shifting fork and a sliding block are, the top of assisting the line ball needle is installed and is pressed the top, goes up the lateral wall department of scissor holder and installs and dial the round pin, goes up scissor holder and dials the seat through dialling the round pin joint, goes up one side of scissor holder and is equipped with useless eccentric screw of cutting, useless eccentric screw connection lower shear blade and last shear blade.
Preferably, the outer side of the rotary core screw is provided with a rotary core copper sleeve, and the rotary core screw is movably connected with the upper shear shank through the rotary core copper sleeve.
Preferably, chamfers are arranged on the lower shear blade and the upper shear blade.
Preferably, a weft guide hook is installed at one side of the lower scissor frame.
Scheme II: a slitter edge yarn scissor device of a high-speed air jet loom comprises a lower scissor holder, an upper scissor holder and a toggle seat, wherein the lower scissor holder is positioned on one side of the upper scissor holder, a rotary core screw is installed at the bottom end of the upper scissor holder, the upper scissor holder is connected with the lower scissor holder through the rotary core screw, a copper bush is installed at one end of the lower scissor holder, a lower scissor blade is installed at the other end of the lower scissor holder through a bolt, an upper scissor blade is arranged on one side of the lower scissor blade and movably connected with the upper scissor blade, a scissor pressing blade is installed on one side of the upper scissor blade, both the scissor pressing blade and the upper scissor blade are connected with the upper scissor holder, the upper scissor holder is provided with a yarn pressing foot plate, a yarn pressing rod and an insertion tube, the insertion tube is positioned on one side of the yarn pressing rod, the yarn pressing foot plate is welded and fixed on the upper scissor holder through the yarn pressing rod, the toggle pin is installed on the side wall of the upper scissor holder, the, the eccentric screw of the waste shear is connected with the lower shear blade and the upper shear blade.
Preferably: and the gap between the yarn pressing foot plate and the plane of the upper shear shank is 0.8 mm.
Compared with the prior art, the beneficial effects of the utility model are as follows:
the utility model discloses scheme a structure is simple ingenious, and production and processing cost is low, uses two compression springs to guarantee line ball foot resilience speed, and is faster because of the elasticity of two springs when can making the line ball foot resilience on the one hand, and on the other hand makes the line ball foot still only the line ball power of a spring when pushing down weft because the ingenious design of slider and shift fork, can not influence crochet hook yarn because the line ball power is too big. If the elasticity of a single spring is increased, the line pressing force of a line pressing foot can be increased while the rebound speed of the line pressing foot is increased, and the crochet hook is influenced. The upper and lower scissors blades are also changed, so that the scissors blades are more matched with the air jet loom in terms of yarn cutting angles, and the newly prepared weft yarn guide hook enables weft yarns to smoothly enter an opening of the slitter edge yarn scissors and be hooked.
The utility model discloses scheme two has cancelled original line ball foot, has assisted line ball needle, line ball spring, slider, locating piece, shift fork design, has adopted the mode of jet-propelled pressure yarn. The shape design of the yarn pressing foot plate can ensure that weft yarns can enter the yarn pressing range more easily and can also ensure that the weft yarns cannot run out of the yarn pressing range during air injection after entering the yarn pressing range. The air injection insertion pipe has an inclined angle, the purpose is to prevent weft yarns from running out of a yarn pressing range during air injection, and the relative positions of the air injection hole in the upper scissor rack and the air holes in the yarn pressing foot plate are deviated, so that the weft yarns can be pressed by the sprayed air. The slitter edge yarn scissors are also provided with new weft yarn guide hooks, and the newly-prepared weft yarn guide hooks can not only enable weft yarns to smoothly enter openings of the slitter edge yarn scissors, but also hook the weft yarns to prevent the weft yarns from being separated from the opening range of the scissors again.
Drawings
FIG. 1 is a schematic view of a mechanical waste selvage yarn cutter in a forward direction;
FIG. 2 is a schematic side view of the construction of a waste yarn scissors of a mechanical waste yarn scissors of the scheme;
FIG. 3 is a schematic diagram of the position of the tumbler pin in the first embodiment;
FIG. 4 is a schematic view of a mechanical slitter edge yarn scissor with a new weft guide hook;
in the figure: 1-lower scissors frame, 2-upper scissors frame, 3-copper sleeve, 4-shifting seat, 5-scissors pressing sheet, 6-rotary core copper sleeve, 7-rotary core screw, 8-auxiliary thread pressing needle, 9-thread pressing foot, 10-sliding block, 11-positioning block, 12-top pressing head, 13-waste scissors eccentric screw, 14-compression spring, 15-shifting fork, 16-lower scissors sheet, 17-upper scissors sheet, 18-shifting pin and 19 weft yarn guide hook.
FIG. 5 is a schematic diagram of a waste selvage yarn scissors of a non-mechanical waste selvage yarn scissors of a second scheme;
FIG. 6 is a schematic side view of a non-mechanical slitter edge yarn scissor configuration of a second embodiment;
FIG. 7 is a schematic diagram of the position of a poke pin in a slitter of a non-mechanical slitter;
FIG. 8 is a schematic view of a non-mechanical slitter edge yarn scissor of a second embodiment of a slitter edge yarn scissor for matching a new weft guide hook;
in the figure: 1-lower shear shank, 11-lower shear shank, 2-upper shear shank, 3-copper sheathing, 4-stirring seat, 5-shear pressing sheet, 6-rotary core copper sheathing, 7-rotary core screw, 8-pressing foot board, 9-pressing line rod, 10-inserting pipe, 11-upper shear shank, 12-lower shear shank, 13-waste shear eccentric screw and 14-stirring pin.
Fig. 9 is a schematic view of a weft yarn guide hook.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-4, the present invention provides a first technical solution: a slitter edge yarn scissor device of a high-speed air jet loom comprises a lower scissor holder 1, an upper scissor holder 2 and a toggle seat 4, wherein the lower scissor holder 1 is positioned at one side of the upper scissor holder 2, a weft yarn guide hook 19 is arranged at one side of the lower scissor holder 1, a rotary core screw 7 is arranged at the bottom end of the upper scissor holder 2, a rotary core copper bush 6 is arranged at the outer side of the rotary core screw 7, the rotary core screw 7 is movably connected with the upper scissor holder 2 through the rotary core copper bush 6, the upper scissor holder 2 is connected with the lower scissor holder 1 through the rotary core screw 7, a copper bush 3 is arranged at one end of the lower scissor holder 1, the lower scissor holder 1 can slide on a telescopic rod through the copper bush 3, a lower scissor piece 16 is arranged at the other end of the lower scissor holder 1 through a bolt, an upper scissor piece 17 is arranged at one side of the lower scissor piece 16, the lower scissor piece 16 is movably connected with the upper scissor piece 17, the lower scissor piece 16 and the upper scissor piece 17 can shear edges when being matched, therefore, weft yarns can conveniently enter the scissor opening, a scissor pressing sheet 5 is installed on one side of an upper scissor sheet 17, the scissor pressing sheet 5 and the upper scissor sheet 17 are both connected with an upper scissor frame 2, the upper scissor frame 2 is provided with a wire pressing pin 9 and an auxiliary wire pressing needle 8, a compression spring 14 is installed on the outer side of the auxiliary wire pressing needle 8, a positioning block 11 is installed at the top end of the compression spring 14, a shifting fork 15 and a sliding block 10 are installed above the positioning block 11, the compression springs 14 are two in number, the two compression springs 14 can realize quick wire pressing of the wire pressing pin 9 during returning, the sliding block 10 and the shifting fork 15 on the wire pressing pin 9 and the auxiliary wire pressing needle 8 can ensure that the wire pressing pin cannot increase wire pressing force while increasing the wire pressing speed, one end of the shifting fork 15 is connected with the upper scissor frame 2, the auxiliary wire pressing needle 8 is installed at the top end of the upper scissor frame 2, a pressing head 12 is installed at the top end of the auxiliary wire pressing needle, go up scissors frame 2 and connect through dialling round pin 18 and dial seat 4, go up one side of scissors frame 2 and be equipped with useless eccentric screw 13 of cutting, useless eccentric screw 13 of cutting connects lower scissors piece 16 and last scissors piece 17, and wherein the rear end card of going up scissors piece 17 is on useless eccentric screw 13 of cutting, consequently can adjust the opening size between the scissors piece from top to bottom through rotatory useless eccentric screw 13 of cutting.
The utility model discloses a theory of operation: after the utility model is installed, the top pressing head 12 is pressed down to press down the shifting fork 15, the sliding block 10 is touched to continue to press down in the process of pressing down the shifting fork 15, and at the moment, the spring force is changed from one to two in the process of pressing down; whole slitter edge yarn scissors also stretch out forward at the in-process that top of the line ball 12 pushed down, when weft was arranged in the line ball foot opening and the scissors opening, the overdraft of top of the line ball 12 disappeared, the woof is cliied rapidly because of the spring force effect of two springs to line ball foot 9, the in-process of cliing the woof at line ball foot 9, the spring force of line ball foot 9 department has become one again from two, the scissors also cuts the woof when line ball foot 9 cliies the woof, and the back is drawn and is pushed down by the kicking block 12 once more simultaneously, whole slitter edge yarn scissors is toward retracting, get back to 0 degree position.
Referring to fig. 5-8, the present invention provides a second technical solution: a slitter edge yarn scissor device of a high-speed air jet loom comprises a lower scissor holder 1, an upper scissor holder 2 and a toggle seat 4, compared with the slitter edge yarn scissor of the first scheme, the slitter edge yarn scissor of the second scheme removes an original top pressing head, a yarn pressing foot, an auxiliary yarn pressing needle, a yarn pressing spring, a sliding block, a positioning block and a shifting fork, adopts an air jet yarn pressing mode, the upper scissor holder 2 is provided with a yarn pressing foot plate 8, a yarn pressing rod 9 and an insertion pipe 10, the insertion pipe 10 is positioned at one side of the yarn pressing rod 9, a gap between the yarn pressing foot plate 8 and the plane of the upper scissor holder 2 is 0.8mm, the yarn pressing foot plate 8 with the design not only can enable weft yarns to enter the yarn pressing range more easily, but also can enable the weft yarns not to be out of the yarn pressing range during air jet after entering the yarn pressing range, the yarn pressing foot plate 8 is welded and fixed on the upper scissor holder 2 through the yarn pressing rod 9, and the lateral wall of the upper scissor holder 2 is provided with a toggle pin 14, go up scissor holder 2 and dial seat 4 through dialling 14 connections of round pin, one side of going up scissor holder 2 is equipped with useless eccentric screw 13 of cutting, useless eccentric screw 13 of cutting connects down shear blade 12 and last shear blade 11, go up the last fumarole that still is equipped with of scissor holder 2, the relative position of the fumarole on going up scissor holder 2 and the bleeder vent of pressing on the yarn sole 8 is inclined to one side, the purpose can push down the woof for spun gas, for cooperation air jet loom's yarn cutting angle, the slitter edge yarn scissors of this scheme has also changed upper and lower shear blade, the chamfer has been added, and be equipped with new woof guide hook, the air jet switch of this scheme is controlled by the solenoid valve.
The utility model discloses a theory of operation: the utility model discloses will press the yarn and cut the yarn and separate, it still is responsible for the completion by the limit device of invagination to cut the yarn, and press the yarn to be responsible for by jet-propelled, when the limit device drives and stretches out forward at slitter edge yarn scissors, the woof is hooked by the woof guide hook, slitter edge yarn scissors stretches out and makes the woof be located and presses the yarn position, then solenoid valve control is jet-propelled, make the woof pushed down, the scissors is cut the woof when cliping, go into the cloth cover with the end of a thread hook by the crochet hook again, stop jet-propelled, slitter edge yarn scissors is also toward retracting, get back to 0 degree position.
In summary, the following steps: in the first scheme of the utility model, the whole structure is simple and ingenious, the production and processing cost is low, two compression springs are used for ensuring the rebounding speed of the thread pressing pin, on one hand, the speed is higher due to the elasticity of the two springs when the thread pressing pin rebounds, on the other hand, the thread pressing pin still has the thread pressing force of one spring when pressing weft due to the ingenious design of the sliding block and the shifting fork, and the crochet hook yarn cannot be influenced due to the overlarge thread pressing force; in the utility model scheme two, cancelled original line ball foot, supplementary line ball needle, line ball spring, slider, locating piece, shift fork design, adopted the mode of jet-propelled yarn pressing. The shape design of the yarn pressing foot plate can ensure that weft yarns can enter the yarn pressing range more easily and can also ensure that the weft yarns cannot run out of the yarn pressing range during air injection after entering the yarn pressing range.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a high-speed air jet loom's slitter edge yarn scissors device, includes lower scissors frame (1), goes up scissors frame (2) and stirs seat (4), and lower scissors frame (1) is located one side of scissors frame (2), its characterized in that: the bottom end of the upper scissor frame (2) is provided with a rotary core screw (7), the upper scissor frame (2) is connected with the lower scissor frame (1) through the rotary core screw (7), one end of the lower scissor frame (1) is provided with a copper sleeve (3), the other end of the lower scissor frame (1) is provided with a lower scissor piece (16) through a bolt, one side of the lower scissor piece (16) is provided with an upper scissor piece (17), the lower scissor piece (16) is movably connected with the upper scissor piece (17), one side of the upper scissor piece (17) is provided with a scissor pressing piece (5), both the scissor pressing piece (5) and the upper scissor piece (17) are connected with the upper scissor frame (2), the upper scissor frame (2) is provided with a wire pressing foot (9) and an auxiliary wire pressing needle (8), the outer side of the auxiliary wire pressing needle (8) is provided with a compression spring (14), the top end of the compression spring (14) is provided with a positioning block (11), and a shifting fork (15) and a, one end of a shifting fork (15) is connected with an upper shear shank (2), an auxiliary wire pressing needle (8) is installed on the top end of the upper shear shank (2), a wire pressing head (12) is installed on the top end of the auxiliary wire pressing needle (8), a shifting pin (18) is installed at the position of the side wall of the upper shear shank (2), the upper shear shank (2) is connected with a shifting seat (4) through the shifting pin (18), one side of the upper shear shank (2) is provided with a waste shear eccentric screw (13), and the waste shear eccentric screw (13) is connected with a lower shear blade (16) and an upper shear blade (17).
2. A slitter edge yarn shearing apparatus for a high speed air jet loom according to claim 1, wherein: the outer side of the rotary core screw (7) is provided with a rotary core copper sleeve (6), and the rotary core screw (7) is movably connected with the upper shear shank (2) through the rotary core copper sleeve (6).
3. A slitter edge yarn shearing apparatus for a high speed air jet loom according to claim 1, wherein: chamfers are arranged on the lower shear blade (16) and the upper shear blade (17).
4. A slitter edge yarn shearing apparatus for a high speed air jet loom according to claim 1, wherein: one side of the lower scissors frame (1) is provided with a weft yarn guide hook (19).
5. The utility model provides a high-speed air jet loom's slitter edge yarn scissors device, includes lower scissors frame (1), goes up scissors frame (2) and stirs seat (4), and lower scissors frame (1) is located one side of scissors frame (2), its characterized in that: the bottom end of the upper scissor frame (2) is provided with a rotary core screw (7), the upper scissor frame (2) is connected with the lower scissor frame (1) through the rotary core screw (7), one end of the lower scissor frame (1) is provided with a copper sleeve (3), the other end of the lower scissor frame (1) is provided with a lower scissor blade (12) through a bolt, one side of the lower scissor blade (12) is provided with an upper scissor blade (11), the lower scissor blade (12) is movably connected with the upper scissor blade (11), one side of the upper scissor blade (11) is provided with a scissor pressing blade (5), the scissor pressing blade (5) and the upper scissor blade (11) are both connected with the upper scissor frame (2), the upper scissor frame (2) is provided with a pressing foot plate (8), a pressing line rod (9) and an insertion tube (10), the insertion tube (10) is positioned on one side of the pressing line rod (9), the pressing foot plate (8) is welded and fixed on the upper scissor frame (2) through the, the side wall of the upper scissor frame (2) is provided with a poking pin (14), the upper scissor frame (2) is connected with a poking seat (4) through the poking pin (14), one side of the upper scissor frame (2) is provided with a waste scissor eccentric screw (13), and the waste scissor eccentric screw (13) is connected with a lower scissor piece (12) and an upper scissor piece (11).
6. A slitter edge yarn shearing apparatus for a high speed air jet loom according to claim 5, wherein: and a gap between the yarn pressing foot plate (8) and the plane of the upper shear shank (2) is 0.8 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920072985.7U CN209816403U (en) | 2019-01-16 | 2019-01-16 | Slitter edge yarn scissors device of high-speed air jet loom |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920072985.7U CN209816403U (en) | 2019-01-16 | 2019-01-16 | Slitter edge yarn scissors device of high-speed air jet loom |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209816403U true CN209816403U (en) | 2019-12-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920072985.7U Expired - Fee Related CN209816403U (en) | 2019-01-16 | 2019-01-16 | Slitter edge yarn scissors device of high-speed air jet loom |
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| Country | Link |
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| CN (1) | CN209816403U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113802247A (en) * | 2021-10-28 | 2021-12-17 | 南通迈步纺织有限公司 | Air jet loom capable of reducing length of waste selvage yarn of air jet loom |
-
2019
- 2019-01-16 CN CN201920072985.7U patent/CN209816403U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113802247A (en) * | 2021-10-28 | 2021-12-17 | 南通迈步纺织有限公司 | Air jet loom capable of reducing length of waste selvage yarn of air jet loom |
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| 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: 20191220 Termination date: 20210116 |