CN110735217B - Weft catching device for air jet loom to weave chemical fiber filament fabric - Google Patents
Weft catching device for air jet loom to weave chemical fiber filament fabric Download PDFInfo
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- CN110735217B CN110735217B CN201911145808.8A CN201911145808A CN110735217B CN 110735217 B CN110735217 B CN 110735217B CN 201911145808 A CN201911145808 A CN 201911145808A CN 110735217 B CN110735217 B CN 110735217B
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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
- D03D47/28—Looms in which bulk supply of weft does not pass through shed, e.g. shuttleless looms, gripper shuttle looms, dummy shuttle looms wherein the weft itself is projected into the shed
- D03D47/30—Looms in which bulk supply of weft does not pass through shed, e.g. shuttleless looms, gripper shuttle looms, dummy shuttle looms wherein the weft itself is projected into the shed by gas jet
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Abstract
The invention discloses a weft catching device for a chemical fiber filament fabric woven by an air jet loom, which comprises a weft catching tube, wherein a first tube sleeve and a second tube sleeve are fixedly sleeved on the side wall of the weft catching tube, two rebound mechanisms are symmetrically arranged on the first tube sleeve, four fixing frames are symmetrically arranged on the second tube sleeve, a rotating shaft is inserted on the two fixing frames on the same side together, and the two rotating shafts are rotatably provided with weft catching mechanisms together. According to the weft catching device, weft insertion is realized when high-pressure airflow exists in the weft catching pipe through the weft catching mechanism and the rebounding mechanism, the weft catching mechanism clamps weft yarns through the clamping head to be fixed when the high-pressure airflow stops, electric equipment control is not needed, the energy consumption and the cost of the device are reduced, the weft yarns are fixed without deviating and sliding through the anti-skidding corrugations 701 on the clamping head, the device is of an integrated structure and convenient and fast to install, the power and the control are provided by the air jet loom, and the energy consumption and the cost of the device are further reduced.
Description
Technical Field
The invention relates to the field of textiles, in particular to a weft catching device for weaving chemical fiber filament fabrics by an air jet loom.
Background
With the continuous development of the modern textile industry technology, the textile machinery is gradually upgraded from a common cotton-flax textile machine to an air jet loom, weft yarns are drawn by taking high-speed flowing air as a weft insertion medium, the weft yarns need to be captured and fixed after weft insertion and beating-up, and weft shrinkage caused by the fact that the weft yarns lose the drawing resilience of air flow after the machine stops running is avoided.
The weft catching device of the existing air jet loom mostly adopts a clamping plate type weft catching device, weft is inserted through independent air current, then the clamping plate is pushed to be closed through a control motor to clamp and fix weft yarns, however, the scheme needs to additionally increase the opening and closing of the control motor to control the clamping plate, so that the energy consumption and the cost are increased, the clamping plate is fixed, the slip deviation is easy to occur, and the weft catching effect is influenced.
Disclosure of Invention
The invention aims to solve the defects that the energy consumption and the cost of a weft catching device controlled by a motor are increased, weft yarns are not easy to fix by a clamping plate, and the weft catching effect is influenced in the prior art, and provides the weft catching device for weaving chemical fiber filament fabrics by an air jet loom.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides an air jet loom weaving chemical fiber filament fabric catches latitude device, is including catching the cop, it has the woof to catch through the air current in the cop, fixed cover is equipped with first pipe box and second pipe box on catching the lateral wall of cop, two resilient mounting is installed to first pipe box symmetry, four mounts are installed to the symmetry on the second pipe box, the homonymy is two insert jointly on the mount and be equipped with the pivot, two rotate jointly in the pivot and install and catch the latitude mechanism.
Preferably, the rebounding mechanism comprises a support frame fixedly installed on one side of the first pipe sleeve, two sliding grooves are symmetrically formed in two side walls of the support frame, a push rod is jointly inserted into the sliding grooves and is connected with the two sliding grooves in a vertically sliding mode, limiting caps are fixedly installed at two ends of the push rod, and the push rod can be prevented from moving towards two sides through the limiting caps.
Preferably, two air rods are symmetrically and fixedly installed on one side of the first pipe sleeve, and the telescopic ends of the two air rods are symmetrically and fixedly connected to the push rod on the same side;
when the push rod is pressed towards the direction of the weft catching pipe, the push rod slides towards the direction of the weft catching pipe along the two sliding grooves under the action of the pressure, and when the push rod slides towards the weft catching pipe, the pressure acts on the telescopic ends of the two air rods, so that the air rods are compressed;
when the pressure applied to the push rod in the direction towards the weft catching tube disappears or is reduced, the pressure applied to the air rod is reduced, the air rod resets, namely the telescopic end of the air rod extends, and the gradually extending air rod pushes the push rod to slide in the two sliding grooves in the direction away from the weft catching tube.
Preferably, the weft catching mechanism comprises two clamping arms, each clamping arm comprises two clamping rods, a plurality of fixing rods are fixedly arranged between the two clamping rods, shaft holes are formed in the two clamping rods, clamping heads are fixedly arranged at one ends of the two clamping rods together, and anti-skid corrugations are formed in opposite surfaces of the two clamping heads;
two clamping bars make the structure more stable through a plurality of fixed levers are fixed, and the overhead anti-skidding ripple of centre gripping and the moving direction mutually perpendicular of woof can utilize the anti-skidding ripple of perpendicular to woof to compress tightly the card with the woof between two anti-skidding ripples when the woof is lived in the centre gripping promptly, increase the fastness of its centre gripping.
Preferably, each rotating shaft is rotatably inserted into two shaft holes in two clamping rods of the corresponding clamping arm, one ends of the two clamping arms far away from the clamping head are respectively inserted into the two rebounding mechanisms, namely, one ends of the two clamping rods of each clamping arm far away from the clamping head are inserted between the push rod and the support frame, and the two clamping heads are clamped and positioned at the pipe orifice of the weft capturing pipe;
when the clamping head is subjected to airflow pressure in the weft catching pipe, the airflow pressure pushes the clamping head open, so that the clamping head pushes the clamping arm, the clamping arm rotates on the rotating shaft through the shaft hole, the clamping arm rotates due to the thrust of the clamping head on the clamping arm, and the clamping head blocking the pipe orifice of the weft catching pipe is pushed open;
and the rotation takes place for the one side that has the clamping head on the centre gripping arm, then rotates through pivot and shaft hole for the one end that the clamping head was kept away from to the centre gripping arm pushes down, and the pressure of centre gripping arm makes the push rod move down, and the gas lever compression, when catching intraductal air current and stopping, then the pressure that the clamping head receives disappears, then pressure on the push rod disappears, then the gas lever extension promotes the push rod rebound, then the push rod upwards promotes the one end of clamping arm, makes the clamping arm rotate along the pivot, then the anti-skidding ripple of two clamping heads is cliied the woof and is firmly fixed.
Preferably, the clamping rod comprises a power arm and a resistance arm, the power arm is a section from the shaft hole to the clamping head, the resistance arm is a section from the shaft hole to the rebound mechanism, the length of the power arm is greater than that of the resistance arm, namely the angular velocity of the power arm and the resistance arm rotating around the shaft hole is equal, and the linear velocity of the power arm is greater than that of the resistance arm;
because the length of the power arm is greater than that of the resistance arm, according to the lever principle, when airflow flows in the weft catching pipe, airflow thrust can push the clamping head through small force, so that the clamping head rotates and opens, the push rod and the air rod are compressed through the clamping rod, the kinetic energy loss of the airflow when the clamping head is opened is reduced, the relative stability of the airflow speed can be ensured, and the energy consumption of the device is reduced. Avoiding the shrinkage of the weft yarns.
Preferably, a sealing rubber ring is embedded on the side wall of the weft capturing tube, an air guide tube is inserted into the sealing rubber ring and can freely swing when being inserted into the sealing rubber ring, a fixing groove is formed in the air guide tube, the air guide tube comprises an air outlet end far away from the weft capturing tube and an air inlet end inserted into the sealing rubber ring, and the fixing groove is close to the air inlet end of the air guide tube.
Preferably, the fixed cover in the fixed slot is equipped with the adjustable ring, the diameter of adjustable ring is greater than the diameter of air duct, rotate on the adjustable ring and install adjusting threaded rod, adjusting threaded rod is last the threaded mounting of screw has the adjusting collar.
Preferably, the outer wall of the weft catching pipe is fixedly provided with an adjusting seat, and the adjusting sleeve is rotatably arranged on the adjusting seat.
The air duct is inserted on catching the latitude pipe through sealed rubber ring, then the air duct can freely rock the change position on the lateral wall of catching the latitude pipe, and the air duct is restricted by regulating ring, regulation pole, adjusting collar and adjusting collar, then the air duct only can be followed the direction activity that adjusts pole and adjusting collar extension or shorten, then when rotating the adjusting collar, adjust pole screw thread precession or screw thread precession adjusting collar, promote the air duct through the adjustable ring and change the contained angle between air duct and the catching the latitude pipe promptly, can change the traction force size of air current promptly, thereby change the elasticity degree of catching the latitude, and the angle of regulation is less, the air current kinetic energy loss is less.
Preferably, a sensor fixing frame is fixedly sleeved at one end of the weft capturing tube, an annular object sensor is fixedly installed at one end, far away from the weft capturing tube, of the sensor fixing frame, the diameter of the annular object sensor is smaller than the diameter of a tube opening, close to one end of the annular object sensor, of the weft capturing tube, and the distance between the annular object sensor and the weft capturing tube is larger than the farthest distance between a clamping head and the weft capturing tube;
the annular object sensor can detect weft yarns, when the annular object sensor detects the weft yarns, a voltage signal is sent to the air jet loom, the air jet loom controls the air pipe to ventilate the air pipe, then air flow disappears, namely the two clamping heads lose impact of air flow pressure to close and clamp the weft yarns, and weft catching is completed.
The invention has the following beneficial effects:
1. the mouth of pipe of catching the cop is plugged up to two holding heads, when letting in high-pressure draught in catching the cop, the air current is washed out two holding heads and is made two centre gripping arms of two centre gripping head promotion rotate then the pivot, then the one end that the centre gripping arm kept away from the holding head rotates and pushes down the push rod, then the air stem compression, after stopping carrying high-pressure draught, the effort that two holding heads received disappears, then the air stem extension promotes the push rod and moves upward and rotate the centre gripping arm, then two holding heads rotate the closure and carry chemical fibre filament, need not motor control, the energy consumption and the cost of reduction device.
2. All seted up anti-skidding ripple on two holding head opposite faces, anti-skidding ripple is perpendicular with the direction of woof, then when two holding heads carried the woof, anti-skidding ripple pressed the woof in anti-skidding ripple a plurality of recesses, can not take place the phenomenon such as skew drops, and the increase device has fixed the fastness.
3. The whole device is simple in structure, easy to install at the tail weft catching position of the air jet loom and integrated in structure, so that the installation is quicker, the air supply of the high-pressure air flow of the air jet loom and the opening and closing of the air flow controlled by the annular object sensor are realized by the control system of the air jet loom, control equipment and power equipment are not required to be additionally added, and the cost and the energy consumption of the device are further reduced.
4. The air duct is inserted into the sealing rubber ring embedded in the side wall of the weft catching pipe, the adjusting threaded rod is screwed in or out of the adjusting sleeve by rotating the adjusting sleeve, so that the air duct which is rotatably connected with the adjusting threaded rod through the adjusting ring can adjust the clamping between the air duct and the weft catching pipe, the traction force of air flow in the weft catching pipe is changed, and the tightness degree of weft catching can be adjusted.
In conclusion, the weft catching mechanism and the rebounding mechanism enable weft insertion when high-pressure airflow exists in the weft catching pipe, the weft catching mechanism clamps weft yarns through the clamping head to be fixed when the high-pressure airflow stops, electric equipment control is not needed, energy consumption and cost of the device are reduced, the weft yarns are fixed without deviating and sliding through the anti-skidding ripples on the clamping head, the device is of an integrated structure and convenient to install, power and control are provided by the air jet loom, and energy consumption and cost of the device are further reduced.
Drawings
FIG. 1 is a schematic structural diagram of a weft catching device for a chemical fiber filament fabric woven by an air jet loom according to the present invention;
FIG. 2 is a partially enlarged view of the rebounding mechanism of the weft catching device for the chemical fiber filament fabric woven by the air jet loom according to the present invention;
FIG. 3 is an enlarged view of a second pipe sleeve part of the weft catching device for weaving chemical fiber filament fabrics by the air jet loom according to the invention;
FIG. 4 is an enlarged view of the clamping arm part of the weft catching device for weaving chemical fiber filament fabric by the air jet loom according to the present invention;
FIG. 5 is a partially enlarged view of the ring object sensor of the weft catching device for the chemical fiber filament fabric woven by the air jet loom according to the present invention;
fig. 6 is an enlarged view of a portion a in fig. 1.
In the figure: the device comprises a 1 weft capturing pipe, a 2 first pipe sleeve, a 3 second pipe sleeve, a 4 clamping rod, a 5 fixing rod, a 6 annular object sensor, a 7 clamping head, a 8 sensor fixing frame, a 9 fixing frame, a 10 supporting frame, a 11 air rod, a 12 air guide pipe, a 13 weft yarn, a 14 push rod, a 15 limiting cap, a 16 rotating shaft, a 17 shaft hole, 701 anti-slip corrugations, a 1201 fixing groove, a 1202 adjusting ring, a 1203 adjusting threaded rod, a 1204 adjusting sleeve, a 1205 adjusting seat and a 1206 sealing rubber ring.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Referring to fig. 1-6, the weft catching device for the air jet loom to weave chemical fiber filament fabrics comprises a weft catching tube 1, wherein a first tube sleeve 2 and a second tube sleeve 3 are fixedly sleeved on the side wall of the weft catching tube 1, two rebounding mechanisms are symmetrically arranged on the first tube sleeve 2, four fixing frames 9 are symmetrically arranged on the second tube sleeve 3, a rotating shaft 16 is jointly inserted into the two fixing frames 9 on the same side, and the weft catching mechanisms are jointly rotatably arranged on the two rotating shafts 16.
Rebound mechanism includes support frame 10 of fixed mounting on first pipe box 2 one side, and two spouts have been seted up to the symmetry on the both sides wall of support frame 10, inserts jointly in two spouts and is equipped with push rod 14, and push rod 14 sliding connection about in two spouts, the equal fixed mounting in both ends of push rod 14 has stop cap 15, and stop cap 15 can avoid push rod 14 to remove to both sides.
Two gas rods 11 are symmetrically and fixedly installed on one side of the first pipe sleeve 2, and telescopic ends of the two gas rods 11 are symmetrically and fixedly connected to the push rod 14 on the same side;
when the push rod 14 is pressed towards the direction of the weft capturing pipe 1, the push rod 14 slides towards the direction of the weft capturing pipe 1 along the two chutes under the action of the pressure, and when the push rod 14 slides towards the weft capturing pipe 1, the pressure acts on the telescopic ends of the two air rods 11, so that the air rods 11 are compressed;
when the pressure applied to the push rod 14 in the direction towards the weft capturing pipe 1 disappears or decreases, the pressure applied to the air rod 11 decreases, the air rod 11 resets, namely the telescopic end of the air rod 11 extends, and the gradually extending air rod 11 pushes the push rod 14 to slide in the two sliding grooves in the direction away from the weft capturing pipe 1.
The weft catching mechanism comprises two clamping arms, each clamping arm comprises two clamping rods 4, a plurality of fixing rods 5 are fixedly arranged between the two clamping rods 4, shaft holes 17 are formed in the two clamping rods 4, clamping heads 7 are fixedly arranged at one ends of the two clamping rods 4 together, and anti-skid corrugations 701 are formed in opposite surfaces of the two clamping heads 7;
two clamping bars 4 make the structure more stable through a plurality of fixed levers 5 are fixed, and the moving direction mutually perpendicular of anti-skidding ripple 701 on the clamping head 7 and woof 13, can utilize the anti-skidding ripple 701 of perpendicular to woof 13 to compress tightly the card between two anti-skidding ripples 701 when the woof 13 is held to the clamping head 7 promptly, increase the fastness of its centre gripping.
Each rotating shaft 16 is rotatably inserted into two shaft holes 17 on the two clamping rods 4 of the corresponding clamping arm, one ends of the two clamping arms far away from the clamping head 7 are respectively inserted into the two rebounding mechanisms, namely, one ends of the two clamping rods 4 of each clamping arm far away from the clamping head 7 are inserted between the push rod 14 and the support frame 10, and the two clamping heads 7 are clamped at the pipe orifices of the weft capturing pipes 1;
when the clamping head 7 is subjected to the airflow pressure in the weft capturing tube 1, the airflow pressure pushes the clamping head 7 open, so that the clamping head 7 pushes the clamping arm, the clamping arm rotates on the rotating shaft 16 through the shaft hole 17, the thrust of the clamping head 7 on the clamping arm rotates the clamping arm, and the clamping head 7 blocking the opening of the weft capturing tube 1 is pushed open;
and one side of the clamping arm with the clamping heads 7 rotates, then the clamping arm rotates through the rotating shaft 16 and the shaft hole 17, so that one end of the clamping arm, which is far away from the clamping heads, is pressed downwards, the pressure of the clamping arm enables the push rod 14 to move downwards, the air rod 11 is compressed, when the air flow in the weft capturing tube 1 stops, the pressure borne by the clamping heads 7 disappears, the pressure on the push rod 14 disappears, the air rod 11 extends to push the push rod 14 to move upwards, the push rod 14 pushes one end of the clamping arm upwards, the clamping arm rotates along the rotating shaft 16, and then the anti-skid corrugations 701 of the two clamping heads 7 clamp the weft yarns 13 to be firmly fixed.
The clamping rod 4 comprises a power arm and a resistance arm, the power arm is a section from the shaft hole 17 to the clamping head 7, the resistance arm is a section from the shaft hole 17 to the rebound mechanism, the length of the power arm is greater than that of the resistance arm, namely the angular velocity of the power arm and the resistance arm rotating around the shaft hole 17 is equal, and the linear velocity of the power arm is greater than that of the resistance arm;
because the length of the power arm is greater than that of the resistance arm, according to the lever principle, when airflow flows in the weft catching tube 1, the airflow thrust can push the clamping head 7 with a small force, so that the clamping head 7 rotates and expands and the push rod 14 and the air rod 11 are compressed through the clamping rod 4, the loss of kinetic energy when the clamping head 7 is opened by the airflow is reduced, namely, the relative stability of the airflow speed can be ensured, and the energy consumption of the device is reduced, on the contrary, when the airflow in the weft catching tube 1 stops, the internal energy accumulated in the air rod 11 enables the air rod 11 to push the push rod 14 to move upwards, the push rod 14 pushes the clamping rod 4 to move upwards and enables the clamping rod 4 to rotate around the rotating shaft 16, and when the push rod 14 pushes the clamping rod 4 to rotate, the power arm and the resistance arm have the same rotation angular velocity, and because the length of the resistance arm is less than that of the power arm, the linear velocity, namely, the clamping head 7 can rapidly rotate to clamp the weft yarn 13 when the air flow in the weft capturing tube 1 is lost, and the weft yarn 13 is prevented from shrinking.
Inlay on the lateral wall of catching latitude pipe 1 and be equipped with sealed rubber ring 1206, insert on the sealed rubber ring 1206 and be equipped with air duct 12, and air duct 12 inserts and establishes freely the swing on sealed rubber ring 1206, has seted up fixed slot 1201 on the air duct 12, and air duct 12 is including keeping away from the end of giving vent to anger of catching latitude pipe 1 and inserting the end of admitting air on establishing sealed rubber ring 1206, and fixed slot 1201 is close to the end of admitting air of air duct 12.
An adjusting ring 1202 is fixedly sleeved in the fixing groove 1201, the diameter of the adjusting ring 1202 is larger than that of the airway tube 12, an adjusting threaded rod 1203 is rotatably installed on the adjusting ring 1202, and an adjusting sleeve 1204 is installed on the adjusting threaded rod 1203 in a threaded mode.
An adjusting seat 1205 is fixedly arranged on the outer wall of the weft capturing tube 1, and an adjusting sleeve 1204 is rotatably arranged on the adjusting seat 1205.
The air duct 12 is inserted on the weft capturing tube 1 through the sealing rubber ring 1206, the air duct 12 can freely shake on the side wall of the weft capturing tube 1 to change the position, the air duct 12 is limited by the adjusting ring 1202, the adjusting rod 1203, the adjusting sleeve 1204 and the adjusting sleeve 1205, the air duct 12 can only move along the extending or shortening direction of the adjusting rod 1203 and the adjusting sleeve 1204, when the adjusting sleeve 1204 is rotated, the adjusting rod 1203 is screwed in or out of the adjusting sleeve 1204, namely the air duct 12 is pushed by the adjusting ring 1202 to change the included angle between the air duct 12 and the weft capturing tube 1, namely the traction force of the air flow can be changed, so that the tightness degree of weft capturing is changed, the smaller the adjusting angle is, and the smaller the kinetic energy loss of the air flow is.
A sensor fixing frame 8 is fixedly sleeved at one end of the weft capturing tube 1, an annular object sensor 6 is fixedly installed at one end, far away from the weft capturing tube 1, of the sensor fixing frame 8, the diameter of the annular object sensor 6 is smaller than the diameter of a tube opening, close to one end of the annular object sensor 6, of the weft capturing tube 1, and the distance between the annular object sensor 6 and the weft capturing tube 1 is larger than the farthest distance between the clamping head 7 and the weft capturing tube 1;
the annular object sensor 6 can detect the weft yarns 13, when the annular object sensor 6 detects the weft yarns 13, a voltage signal is sent to the air jet loom, the air jet loom controls the air pipe to ventilate the air pipe 12, then the air flow disappears, namely the two clamping heads 7 lose the impact of the air flow pressure and close and clamp the weft yarns 13, and the weft catching is completed.
When the device is used, the air guide pipe 12 is connected with an air pipe of an air jet loom, the annular object sensor 6 is connected with a controller of the air jet loom, then the device is started, high-pressure air flow enters the weft capturing pipe 1 through the air guide pipe 12, so that the air flow in the weft capturing pipe 1 flows rapidly from left to right, the adjusting threaded rod 1203 is screwed in or screwed out of the adjusting sleeve 1204 through rotating the adjusting sleeve 1204, the angle between the air guide pipe 12 and the weft capturing pipe 1 which are connected with the adjusting threaded rod 1203 through rotating the adjusting ring 1202 is changed, when the angle is smaller, the air flow speed in the weft capturing pipe 1 is faster, the traction force is larger, the weft capturing is tighter, on the contrary, when the angle is larger, the traction force is smaller, the weft capturing is looser, the weft capturing can be adjusted according to production requirements, high-speed air flow rushes the two clamping heads 7 to push the clamping arms to rotate along the rotating shaft 16, so that one end of the clamping arms far away, the air rod 11 is compressed, and because the length of the power arm of the clamping rod 4 of the clamping arm is greater than that of the resistance arm, the kinetic energy consumed by the air flow to open the clamping head 7 is less, and the air flow weft catching is not greatly influenced;
the weft yarn 13 is sucked into the weft catching pipe 1 when approaching the weft catching pipe 1 and passes through the weft catching pipe 1 to reach the right side of the weft catching pipe 1, at the moment, the annular object sensor 6 senses the weft yarn 13 and sends the weft yarn to a controller of the air jet loom, the controller controls the air pipe to stop supplying air to the air pipe 12 after receiving a signal, the air flow in the weft catching pipe 1 stops, the acting force on the two clamping heads 7 disappears, the pressure on the air rod 11 disappears, the gas lever 11 is extended to push the push rod 14 to move along the sliding chute away from the first tube housing 2, the push rod 14 pushes the clamping arm to rotate along the rotating shaft 16 in the opposite direction, the two clamping heads 7 approach and close to clamp the weft yarn 13, because the length of the power arm of the clamping rod 4 of the clamping arm is greater than that of the resistance arm, the linear velocity of the rotation of the clamping head 7 is greater than the linear velocity of the endpoint of the resistance arm, the two clamping heads 7 can quickly clamp the weft yarns 13 to avoid weft shrinkage of the weft yarns 13, and the weft catching operation is completed.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (6)
1. The weft catching device for the air jet loom to weave the chemical fiber filament fabric comprises a weft catching tube (1), and is characterized in that a first tube sleeve (2) and a second tube sleeve (3) are fixedly sleeved on the side wall of the weft catching tube (1), two rebound mechanisms are symmetrically installed on the first tube sleeve (2), four fixing frames (9) are symmetrically installed on the second tube sleeve (3), a rotating shaft (16) is jointly inserted into the two fixing frames (9) on the same side, and the weft catching mechanisms are jointly rotatably installed on the two rotating shafts (16); the rebounding mechanism comprises a supporting frame (10) fixedly installed on one side of the first pipe sleeve (2), two sliding grooves are symmetrically formed in two side walls of the supporting frame (10), push rods (14) are jointly inserted into the two sliding grooves, the push rods (14) are connected in the two sliding grooves in a sliding mode up and down, and limiting caps (15) are fixedly installed at two ends of each push rod (14); two air rods (11) are symmetrically and fixedly installed on one side of the first pipe sleeve (2), and the telescopic ends of the two air rods (11) are symmetrically and fixedly connected to the push rod (14) on the same side; the weft catching mechanism comprises two clamping arms, each clamping arm comprises two clamping rods (4), a plurality of fixing rods (5) are fixedly arranged between the two clamping rods (4), shaft holes (17) are formed in the two clamping rods (4), clamping heads (7) are fixedly arranged at one ends of the two clamping rods (4) together, anti-skid corrugations (701) are arranged on opposite surfaces of the two clamping heads (7), a sealing rubber ring (1206) is embedded on the side wall of the weft capturing tube (1), an air guide tube (12) is inserted on the sealing rubber ring (1206), the air duct (12) is inserted on the sealing rubber ring (1206) and can freely swing, a fixing groove (1201) is arranged on the air duct (12), the air guide tube (12) comprises an air outlet end far away from the weft capturing tube (1) and an air inlet end inserted on the sealing rubber ring (1206), and the fixing groove (1201) is close to the air inlet end of the air guide tube (12).
2. The weft catching device for the chemical fiber filament fabrics woven by the air jet loom as claimed in claim 1, wherein each rotating shaft (16) is rotatably inserted into two shaft holes (17) on two clamping rods (4) of the corresponding clamping arm, and one ends of the two clamping arms far away from the clamping head (7) are respectively inserted into two rebound mechanisms.
3. The weft catching device for the chemical fiber filament fabrics woven by the air jet loom according to claim 1 is characterized in that the clamping rod (4) comprises a power arm and a resistance arm, the power arm is a section from the shaft hole (17) to the clamping head (7), the resistance arm is a section from the shaft hole (17) to the rebounding mechanism, the length of the power arm is greater than that of the resistance arm, namely the angular velocity of the rotation of the power arm and the resistance arm around the shaft hole (17) is equal, and the linear velocity of the rotation of the power arm is greater than the linear velocity of the rotation of the resistance arm.
4. The weft catching device for the weaving chemical fiber filament fabrics of the air jet loom as claimed in claim 1, characterized in that an adjusting ring (1202) is fixedly sleeved in the fixing groove (1201), the diameter of the adjusting ring (1202) is larger than that of the air guide tube (12), an adjusting threaded rod (1203) is rotatably installed on the adjusting ring (1202), and an adjusting sleeve (1204) is threadedly installed on the adjusting threaded rod (1203).
5. The weft catching device for the weaving chemical fiber filament fabric of the air jet loom according to claim 4 is characterized in that an adjusting seat (1205) is fixedly arranged on the outer wall of the weft catching tube (1), and an adjusting sleeve (1204) is rotatably arranged on the adjusting seat (1205).
6. The weft catching device for the chemical fiber filament fabrics woven by the air jet loom as claimed in claim 1, wherein a sensor fixing frame (8) is fixedly sleeved at one end of the weft catching tube (1), an annular object sensor (6) is fixedly installed at one end of the sensor fixing frame (8) far away from the weft catching tube (1), the diameter of the annular object sensor (6) is smaller than the diameter of a pipe orifice of the weft catching tube (1) close to one end of the annular object sensor (6), and the distance from the annular object sensor (6) to the weft catching tube (1) is greater than the farthest distance from a clamping head (7) to the weft catching tube (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911145808.8A CN110735217B (en) | 2019-11-21 | 2019-11-21 | Weft catching device for air jet loom to weave chemical fiber filament fabric |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911145808.8A CN110735217B (en) | 2019-11-21 | 2019-11-21 | Weft catching device for air jet loom to weave chemical fiber filament fabric |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110735217A CN110735217A (en) | 2020-01-31 |
| CN110735217B true CN110735217B (en) | 2020-12-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201911145808.8A Active CN110735217B (en) | 2019-11-21 | 2019-11-21 | Weft catching device for air jet loom to weave chemical fiber filament fabric |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112030238B (en) * | 2020-08-31 | 2021-06-08 | 山东恒鹏卫生用品有限公司 | Melt-blown die head for melt-blown fabric production |
| CN117418348B (en) * | 2023-12-18 | 2024-03-19 | 江苏友诚数控科技有限公司 | Nozzle bundling device for air jet loom |
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| CN103710822A (en) * | 2013-12-30 | 2014-04-09 | 苏州尤盛纺织有限公司 | Centrifugal weft catching device |
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| CN105714455A (en) * | 2016-04-15 | 2016-06-29 | 苏州市丹纺纺织研发有限公司 | Spring-loaded weft capture device |
| CN205635984U (en) * | 2016-04-15 | 2016-10-12 | 苏州市丹纺纺织研发有限公司 | Catch latitude and draw latitude device |
| WO2018099662A1 (en) * | 2016-11-29 | 2018-06-07 | Picanol | Waste end stretching device for a weaving machine |
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| CN103348045A (en) * | 2011-02-01 | 2013-10-09 | 株式会社丰田自动织机 | Weft tensioning device |
| CN103710822A (en) * | 2013-12-30 | 2014-04-09 | 苏州尤盛纺织有限公司 | Centrifugal weft catching device |
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| CN110735217A (en) | 2020-01-31 |
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