CN109468733B - Circular cutting type weft shearing device - Google Patents
Circular cutting type weft shearing device Download PDFInfo
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- CN109468733B CN109468733B CN201811330538.3A CN201811330538A CN109468733B CN 109468733 B CN109468733 B CN 109468733B CN 201811330538 A CN201811330538 A CN 201811330538A CN 109468733 B CN109468733 B CN 109468733B
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- cavity
- weft
- magnetic block
- cutting
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- D—TEXTILES; PAPER
- D03—WEAVING
- D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
- D03D47/00—Looms in which bulk supply of weft does not pass through shed, e.g. shuttleless looms, gripper shuttle looms, dummy shuttle looms
- D03D47/34—Handling the weft between bulk storage and weft-inserting means
- D03D47/36—Measuring and cutting the weft
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- D—TEXTILES; PAPER
- D03—WEAVING
- D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
- D03D49/00—Details or constructional features not specially adapted for looms of a particular type
- D03D49/70—Devices for cutting weft threads
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
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Abstract
The invention belongs to the technical field of spinning and discloses a circular cutting type weft shearing device. The circular cutting type weft shearing device comprises an installation plate, a transmission mechanism and a circular cutting mechanism, wherein the transmission mechanism is arranged in the installation plate, and the circular cutting mechanism is arranged at the bottom of the installation plate. This circular cutting formula cuts latitude device through the setting of circular cutting mechanism, utilizes cyclic annular to the design of increasing progressively the cutting edge of inner circle, can carry out the circular cutting to weft at the in-process that colludes weft and rotatory, makes the cutting point diameter of weft diminish, cuts 6 by the impact again, can effectively avoid among the prior art to thick weft easy weft upset that appears when cutting and the condition that leads to equipment trouble.
Description
Technical Field
The invention relates to the technical field of spinning, in particular to a circular cutting type weft shearing device.
Background
The cloth is formed by weaving yarns through a warp-weft structure, and when the cloth is woven, warps are usually arranged in parallel, and then wefts penetrate through the warps in a staggered mode. With the popularity of mechanization, when weaving a cloth, the weft of the cloth is usually inserted from one side of the warp, the weft is broken when the end of the weft reaches the other side of the warp, and then the warp passes through the weft again when it is opened again in a staggered manner.
How to cut the weft action fast and accurately is the key point that improves cloth establishment efficiency, also can great reduction weaving machine trouble rate of work simultaneously, ensures the continuity of processing.
Chinese patent (application publication No. CN 204570159U) discloses an impact type high-speed weft shearing device, which comprises a rotary rod, an impact ball, an impacted block, an upper shearing tool bit and a lower shearing tool bit; the rotary rod is driven by a driving device to rotate, the device can quickly complete the beating-up process through a knocking mode, energy can be accumulated to be released once in the beating-up process, the energy utilization rate of the whole beating-up mechanism is higher, but when thicker yarns are sheared, the yarns are soft, the situation between two blades can be clamped by the yarns in actual operation, the yarns are not at the vertical blade edge and are approximately parallel, and not only the yarns can not be cut quickly, but also the cutting work can not be carried out any more due to the fact that the falling point of the blades is deviated, and faults are formed.
Disclosure of Invention
The invention aims to provide a circular cutting type weft shearing device which can quickly cut thick lines and reduce equipment faults.
In order to achieve the purpose, the invention is realized by the following technical scheme: the utility model provides a weft device is cut to ring-cutting formula, includes mounting panel, drive mechanism and ring-cutting mechanism, drive mechanism sets up in the mounting panel, and ring-cutting mechanism sets up in the mounting panel bottom.
The transmission mechanism comprises a transmission cavity, a limit cavity, a percussion cavity, a magnetic block A, a mandril, an extension spring, a magnetic block B, a pull rope and a rope channel, the transmission cavity is arranged in the mounting plate, the limiting cavity is arranged on the upper side of the transmission cavity in the mounting plate and is communicated with the interior of the transmission cavity, the firing cavity is arranged on the lower side of the transmission cavity in the mounting plate and is communicated with the interior of the transmission cavity, the magnetic block A is connected in the transmission cavity in a sliding manner, the top end of the ejector rod is fixedly connected to the middle of the lower surface of the magnetic block A, the ejector rod is inserted in the percussion cavity, the upper end and the lower end of the extension spring are respectively bonded on the lower surface of the magnetic block A and the bottom wall of the transmission cavity, the magnetic block B is adsorbed on the upper surface of the magnetic block A, the rope channel is arranged in the mounting plate, and the two ends of the rope channel are respectively positioned at the middle part of the top wall of the limiting cavity and the left side of the lower surface of the mounting plate, a pull rope is connected in the rope channel in a penetrating manner, and one end of the pull rope extends into the transmission cavity and is bonded with the middle part of the upper surface of the magnetic block B.
The circular cutting mechanism comprises an arc groove, an annular knife with a notch, a transmission guide rail with a toothed groove on the bottom wall, an arc notch, limiting rods, a driving motor, a driving gear, a driven gear and a mounting groove, wherein the arc groove is formed in the lower surface of the mounting plate and communicated with a percussion cavity, the top end of the annular knife is inserted into the arc groove, the notch on the annular knife is positioned at the bottom end of the arc groove, the transmission guide rail is formed in the outer wall of the annular knife, the two arc notches are symmetrically formed in the two side walls of the transmission guide rail, the two limiting rods are fixedly connected between the two side walls of the arc groove, the two limiting rods penetrate through the two arc notches, the driving motor is fixedly arranged in the mounting groove on the right side of the arc groove in the mounting plate, the driving gear is fixedly sleeved on an output shaft of the driving motor, the two ends of the driven gear are movably clamped between the front wall, the driving gear is engaged with the driven gear, and the other end of the pull rope extends out of the rope channel and is fixedly connected with the left end of the outer wall of the annular knife.
Preferably, the ring-cutting mechanism further comprises an impact cavity, a spring groove, an impact shear and a return spring, the impact cavity is arranged at the right end of the annular knife and is located in the transmission guide rail, the impact shear is inserted into the impact cavity, the spring groove is arranged on the inner wall of the impact cavity, and a sliding block which is fixedly connected with the impact shear and is slidably connected in the spring groove is movably connected with the bottom wall of the spring groove through an extension spring.
Preferably, the cutting edge of the impact shears is positioned at the bottom end of the impact shears and is inclined, and the length of the impact shears is the same as that of the impact cavity.
Preferably, the cutting edge of the annular knife is positioned at the inner side of the annular knife, and the difference between the inner diameter and the outer diameter of the annular knife is gradually increased from the left end to the right end of the annular knife.
Preferably, the length of the top rod is five quarters of the length of the firing cavity, the length of the transmission cavity is three quarters of the length of the firing cavity, the length and the width of the limiting cavity are respectively matched with the length and the width of the magnetic block B, and the length and the width of the magnetic block B are respectively three quarters of the length and the width of the magnetic block A.
Preferably, the tooth space on the driving gear occupies half of the perimeter length of the driving gear.
When the device works, the device is arranged at the broken line position of weft, the weft is positioned at the connecting line position of the left end and the right end of the annular knife 32 after the weft appears, when the cutting is carried out, the driving gear 37 is driven by the driving motor 36 to rotate to enable the annular knife 32 to rotate anticlockwise, the left end of the annular knife 32 hooks the weft and the knife edge of the annular knife 32 cuts the weft, so that the weft is cut to be thin, the cutting edge of the annular knife 32 is widened, the weft is pulled to be tight, the pull rope 28 is pulled along with the rotation of the annular knife 32 to enable the magnetic block B27 to drive the magnetic block A24 to move upwards, the tension and extension spring 26 stores tension force, then the magnetic block 27 enters the limiting cavity 22, the magnetic block 27 is separated from the magnetic block 24, the magnetic block A is pulled inwards by the tension and extension spring 26 to move downwards to enable the ejector rod 25 to move downwards rapidly and impact the impact shears 6, the gearless position on the driving gear 37 rotates to the contact point with the driven gear 38, the driven gear 38 loses power, the magnetic block A24 enables the annular knife 32 to be pulled to fall, the extension spring 26 is in the balance position, the magnetic block A24 and the magnetic block B27 are attracted to complete reset, and the driving gear 37 rotates to enter the next working cycle.
By adopting the technical scheme, the invention has the beneficial effects that:
1. this circular cutting formula cuts latitude device through the setting of circular cutting mechanism 3, utilizes cyclic annular to 32 inner circles increase progressively the cutting edge design, can carry out the circular cutting to weft at the in-process that colludes weft and rotatory, makes the cutting point diameter of weft diminish, cuts 6 by the impact again, can effectively avoid among the prior art to thick weft easy appearance when cutting the weft upset and the condition that leads to equipment trouble.
2. According to the circular cutting type weft shearing device, the driving of the transmission mechanism 21 and the circular cutting mechanism 3 is completed by the driving motor 36, meanwhile, the periodic operation of the transmission mechanism 2 can be completed by matching with the design of the driving gear 37, and the cutting operation is completed by matching with the weaving processing rhythm.
3. This circular cutting formula cuts latitude device utilizes the inner circle design of cyclic annular sword 32, and it can pull up the weft and make it tighten when colluding the weft and carry out the pivoted, improves the tension of weft, makes it change and cuts off, and the slope design of cutting edge 6 is cut off the weft fast to the cooperation impact, ensures going on smoothly of course of working.
4. According to the circular cutting type weft shearing device, due to the design of the magnetic block A24 and the magnetic block 27, the accumulated force of the extension spring 26 is utilized to accumulate the force of the ejector rod 25, so that the ejector rod can impact the impact shears 6 under the action of the extension spring 26 to cut weft, and meanwhile, the magnetic block A24 and the magnetic block B27 are utilized to form adsorption and are easy to separate, and the continuous operation of weft cutting equipment is ensured.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a front cross-sectional view of the present invention.
In the figure: the device comprises a mounting plate 1, a transmission mechanism 2, a transmission cavity 21, a limiting cavity 22, a firing cavity 23, a magnetic block 24A, a mandril 25, an extension spring 26, a magnetic block 27B, a pull rope 28, a rope 29, a circular cutting mechanism 3, an arc groove 31, a circular knife 32, a transmission guide rail 33, an arc notch 34, a limiting rod 35, a driving motor 36, a driving gear 37, a driven gear 38, a mounting groove 39, a percussion cavity 4, a spring groove 5, a percussion shear 6 and a return spring 7.
Detailed Description
Referring to fig. 1-2, the present invention provides a technical solution: the utility model provides a weft device is cut to ring cutting formula, includes mounting panel 1, drive mechanism 2 and ring cutting mechanism 3, and drive mechanism 2 sets up in mounting panel 1, and ring cutting mechanism 3 sets up in mounting panel 1 bottom.
The transmission mechanism 2 comprises a transmission cavity 21, a limit cavity 22, a firing cavity 23, a magnetic block A24, a push rod 25, an extension spring 26, a magnetic block B27, a pull rope 28 and a rope channel 29, the transmission cavity 21 is arranged in the mounting plate 1, the limit cavity 22 is arranged on the upper side of the transmission cavity 21 in the mounting plate 1 and is communicated with the inside of the transmission cavity 21, the firing cavity 23 is arranged on the lower side of the transmission cavity 21 in the mounting plate 1 and is communicated with the inside of the transmission cavity 21, the magnetic block A24 is connected in the transmission cavity 21 in a sliding manner, the top end of the push rod 25 is fixedly connected to the middle of the lower surface of the magnetic block A24, the push rod 25 is inserted in the firing cavity 23, the upper end and the lower end of the extension spring 26 are respectively adhered to the lower surface of the magnetic block A24 and the bottom wall of the transmission cavity 21, the magnetic block B27 is adsorbed to the upper surface of the magnetic block A24, the rope channel 29 is arranged in the mounting, stay cord 28 is connected in rope way 29 in a penetrating way, and one end of stay cord 28 extends to transmission cavity 21 and is bonded with the middle part of the upper surface of magnetic block B27, and the top edge of magnetic block A24 is rounded, so that magnetic block 24 can conveniently enter limiting cavity 22.
The ring cutting mechanism 3 comprises an arc groove 31, an annular knife 32 with a notch, a transmission guide rail 33 with a tooth groove on the bottom wall, an arc notch 34, a limiting rod 35, a driving motor 36, a driving gear 37, a driven gear 38 and a mounting groove 39, wherein the model of the driving motor 36 is 60K-68H, the ring cutting mechanism is produced by a Wu-san electrical equipment factory, the arc groove 31 is arranged on the lower surface of the mounting plate 1 and communicated with the percussion cavity 23, the top end of the annular knife 32 is inserted in the arc groove 31, the notch on the annular knife 32 is positioned at the bottom end of the annular knife, the transmission guide rail 33 is arranged on the outer wall of the annular knife 32, the two arc notches 34 are symmetrically arranged on two side walls of the transmission guide rail 33, the two limiting rods 35 are fixedly connected between the two side walls of the arc groove 31, the two limiting rods 35 both pass through the two arc notches 34, the driving motor 36 is fixedly arranged in the mounting groove 39 on the right side of, the two ends of the driven gear 38 are movably clamped between the front wall and the rear wall in the mounting groove 39 and are positioned at the lower side of the driving motor 36, the driven gear 38 is engaged with the tooth socket of the bottom wall of the transmission guide rail 33, the driving gear 37 is engaged with the driven gear 38, the other end of the pull rope 28 extends out of the rope channel 29 and is fixedly connected with the left end of the outer wall of the annular knife 32, through the arrangement of the ring cutting mechanism 3, the weft can be ring-cut in the process of hooking the weft and rotating by utilizing the design of the ring cutting mechanism from the ring shape to the inner ring 32, so that the diameter of the cutting point of the weft is reduced, and then the weft is cut by the impact shear 6, the condition that the equipment is failed due to the overturning of the weft which is easy to occur when the thick weft is cut in the prior art can be effectively avoided, the driving of the driving mechanism 21 and the ring cutting mechanism, the thread cutting operation is completed in coordination with the weaving processing rhythm, the design of the magnetic block A24 and the magnetic block 27 is utilized, the accumulated force of the extension spring 26 is utilized, the ejector rod 25 can accumulate force, the ejector rod can impact the impact shears 6 under the action of the extension spring 26 to cut weft threads, meanwhile, the magnetic block A24 and the magnetic block B27 are utilized to form adsorption and easy separation, the continuous operation of the weft cutting equipment is ensured, the position of the weft thread is located between the left end and the right end of the annular knife 32, and the weft thread is hooked by the left end of the annular knife 32 along with the rotation of the annular knife 32, so that the weft thread is contacted with the inner knife edge of the annular knife 32 and is cut.
Ring-cutting mechanism 3 still includes impact chamber 4, spring groove 5, strikes and cuts 6 and reset spring 7, strikes the right-hand member of chamber 4 and is located transmission guide rail 33, strikes and cuts 6 pegs graft in impact chamber 4, and spring groove 5 is seted up on the inner wall that strikes chamber 4, and strikes and cut 6 go up the slider of fixed connection and sliding connection in spring groove 5 and pass through extension spring 7 and spring groove 5's diapire swing joint.
The cutting edge of the impact shears 6 is located at the bottom end of the impact shears and is inclined, the length of the impact shears 6 is the same as that of the impact cavity 4, the inner ring design of the annular cutter 32 is utilized, the weft is hooked up to rotate, meanwhile, the weft can be pulled up to enable the weft to be stretched, the tension of the weft is improved, the weft is enabled to be easier to cut, the inclined design of the cutting edge of the impact shears 6 is matched to cut the weft rapidly, and smooth processing is guaranteed.
The cutting edge of the annular knife 32 is located at the inner side, and the difference between the inner diameter and the outer diameter of the annular knife 32 increases from the left end to the right end.
The length of the ejector rod 25 is five quarters of the length of the firing cavity 23, the length of the transmission cavity 21 is three quarters of the length of the firing cavity 23, the length and width values of the limiting cavity 22 are respectively matched with the length and width values of the magnetic block B27, and the length and width values of the magnetic block B27 are respectively three quarters of the length and width values of the magnetic block A24.
The gullets on the pinion gear 37 are one-half of its perimeter length.
Claims (6)
1. The utility model provides a weft device is cut to ring-cutting formula, includes mounting panel (1), drive mechanism (2) and ring-cutting mechanism (3), its characterized in that: the transmission mechanism (2) is arranged in the mounting plate (1), and the circular cutting mechanism (3) is arranged at the bottom of the mounting plate (1);
the transmission mechanism (2) comprises a transmission cavity (21), a limiting cavity (22), a firing cavity (23), a magnetic block A (24), an ejector rod (25), an extension spring (26), a magnetic block B (27), a pull rope (28) and a rope channel (29), wherein the transmission cavity (21) is arranged in the mounting plate (1), the limiting cavity (22) is arranged on the upper side of the transmission cavity (21) in the mounting plate (1) and communicated with the inside of the transmission cavity (21), the firing cavity (23) is arranged on the lower side of the transmission cavity (21) in the mounting plate (1) and communicated with the inside of the transmission cavity (21), the magnetic block A (24) is slidably connected in the transmission cavity (21), the top end of the ejector rod (25) is fixedly connected to the middle of the lower surface of the magnetic block A (24), the ejector rod (25) is inserted in the firing cavity (23), the upper end and the lower end of the extension spring (26) are respectively bonded to the lower surface of the magnetic block A (24) and the bottom wall of the, the magnetic block B (27) is adsorbed on the upper surface of the magnetic block A (24), the rope channel (29) is arranged in the mounting plate (1), two ends of the rope channel (29) are respectively positioned in the middle of the top wall of the limiting cavity (22) and on the left side of the lower surface of the mounting plate (1), a pull rope (28) penetrates through the rope channel (29), and one end of the pull rope (28) extends into the transmission cavity (21) and is bonded with the middle of the upper surface of the magnetic block B (27);
the ring cutting mechanism (3) comprises an arc groove (31), an annular knife (32) with a notch, a transmission guide rail (33) with a toothed groove on the bottom wall, an arc notch (34), a limiting rod (35), a driving motor (36), a driving gear (37), a driven gear (38) and a mounting groove (39), wherein the arc groove (31) is arranged on the lower surface of the mounting plate (1) and communicated with the percussion cavity (23), the top end of the annular knife (32) is inserted into the arc groove (31), the notch on the annular knife (32) is positioned at the bottom end of the annular knife, the transmission guide rail (33) is arranged on the outer wall of the annular knife (32), the two arc notches (34) are symmetrically arranged on two side walls of the transmission guide rail (33), the two limiting rods (35) are fixedly connected between the two side walls of the arc groove (31), the two limiting rods (35) both penetrate through the two arc notches (34), the driving motor (36) is fixedly mounted in the mounting groove (39) on the right side of the arc groove, the driving gear (37) is fixedly sleeved on an output shaft of the driving motor (36), two ends of the driven gear (38) are movably clamped between the front wall and the rear wall in the mounting groove (39) and located on the lower side of the driving motor (36), the driven gear (38) is meshed with a tooth groove in the bottom wall of the transmission guide rail (33), the driving gear (37) is meshed with the driven gear (38), and the other end of the pull rope (28) extends out of the rope channel (29) and is fixedly connected with the left end of the outer wall of the annular knife (32).
2. A circular cutting weft cutting device according to claim 1, characterized in that: ring-cutting mechanism (3) still include impact chamber (4), spring groove (5), strike and cut (6) and reset spring (7), strike chamber (4) and set up at the right-hand member of cyclic annular sword (32) and be located drive rail (33), strike and cut (6) and peg graft in impact chamber (4), spring groove (5) are set up on the inner wall that strikes chamber (4), and strike and cut (6) go up the slider of fixed connection and sliding connection in spring groove (5) and pass through reset spring (7) and the diapire swing joint in spring groove (5).
3. A circular cutting weft cutting device according to claim 2, characterized in that: the cutting edge of the impact shear (6) is positioned at the bottom end of the impact shear and is inclined, and the length of the impact shear (6) is the same as that of the impact cavity (4).
4. A circular cutting weft cutting device according to claim 1, characterized in that: the cutting edge of the annular cutter (32) is positioned at the inner side of the annular cutter, and the difference of the inner diameter and the outer diameter of the annular cutter (32) is gradually increased from the left end to the right end.
5. A circular cutting weft cutting device according to claim 1, characterized in that: the length of the ejector rod (25) is five quarters of the length of the firing cavity (23), the length of the transmission cavity (21) is three quarters of the length of the firing cavity (23), the length and the width of the limiting cavity (22) are respectively matched with the length and the width of the magnetic block B (27), and the length and the width of the magnetic block B (27) are respectively three quarters of the length and the width of the magnetic block A (24).
6. A circular cutting weft cutting device according to claim 1, characterized in that: the tooth grooves on the driving gear (37) occupy half of the perimeter length of the driving gear.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811330538.3A CN109468733B (en) | 2018-11-09 | 2018-11-09 | Circular cutting type weft shearing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811330538.3A CN109468733B (en) | 2018-11-09 | 2018-11-09 | Circular cutting type weft shearing device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109468733A CN109468733A (en) | 2019-03-15 |
| CN109468733B true CN109468733B (en) | 2020-10-30 |
Family
ID=65672182
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811330538.3A Active CN109468733B (en) | 2018-11-09 | 2018-11-09 | Circular cutting type weft shearing device |
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| Country | Link |
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| CN (1) | CN109468733B (en) |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ES314730A1 (en) * | 1965-06-28 | 1965-10-01 | Ballbe Sabate Mariano | Weft cutter for a loom with a stationary weft supply |
| US3455342A (en) * | 1966-08-26 | 1969-07-15 | Ramon Balaguer Golobart | Selvage trimming and waste removal means |
| CH646216A5 (en) * | 1981-08-20 | 1984-11-15 | Agency Imp Exp Distr Aied | Device for cutting the weft threads in shuttleless looms |
| CN103243477A (en) * | 2013-04-26 | 2013-08-14 | 吴江江旭纺织有限公司 | Ring cutter of cylindrical weft-knitted fabric knitting machine |
| CN204570159U (en) * | 2015-03-02 | 2015-08-19 | 朱金凤 | Impacting type cuts Weft handling device at a high speed |
| CN105544063A (en) * | 2016-02-22 | 2016-05-04 | 徐�明 | Fast and efficient weft feeding device of carbon fiber braiding machine |
| CN207619605U (en) * | 2017-11-01 | 2018-07-17 | 扬州远睿精密机械有限公司 | Loom swinging weft-yarn shearing device |
-
2018
- 2018-11-09 CN CN201811330538.3A patent/CN109468733B/en active Active
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| CN109468733A (en) | 2019-03-15 |
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Effective date of registration: 20211130 Address after: 312000 No. 92, Qisheng Road, Mashan street, Yuecheng District, Shaoxing City, Zhejiang Province Patentee after: Zhejiang Yuejian Electromechanical Technology Co.,Ltd. Address before: 312030 building 1-6, west side of Shaoqi highway, Qinjian village, Qixian street, Keqiao District, Shaoxing City, Zhejiang Province Patentee before: SHAOXING XINYUE MACHINERY MANUFACTURING CO.,LTD. |