CN211713330U

CN211713330U - Beating-up box body of air jet loom

Info

Publication number: CN211713330U
Application number: CN201922305012.6U
Authority: CN
Inventors: 王勇
Original assignee: Jiangsu Youcheng Cnc Technology Co ltd
Current assignee: Jiangsu Youcheng Cnc Technology Co ltd
Priority date: 2019-12-20
Filing date: 2019-12-20
Publication date: 2020-10-20
Anticipated expiration: 2029-12-20

Abstract

The utility model relates to an air jet loom box that beats up, set up outer, interior conjugate cam piece and one-level driving gear cross-under by big apron inwards in proper order and pass the loom main shaft of the main tank, cross-under pendulum shaft and three are in proper order through the big gap bridge gear shaft, planet leno limit transmission shaft, the eccentric cam drive shaft of back lever swing of gear engagement transmission on the main tank, the other end cross-under of pendulum shaft is to the box and fixed connection owner, from the power arm, set up inner, external rotor on the power arm respectively, be equipped with the adjustment hole of taking the little shrouding that corresponds the power arm and external rotor position on the big apron; the planetary selvage transmission shaft is externally connected with a planetary selvage device, the fixed upper eccentric shaft section on the rear rod swinging eccentric cam driving shaft is connected with a rear rod swinging eccentric cam, and the rear rod swinging eccentric cam is connected with a yarn guide shaft through a rear rod. The stop weft insertion time of more than or equal to 60 degrees and larger beating-up force can be considered, and the clearances of beating-up, selvage and cam rotor can be adjusted without interfering other parts of the loom.

Description

Beating-up box body of air jet loom

Technical Field

The utility model relates to a loom, an air jet loom box that beats up specifically says so.

Background

The main shaft of the air jet loom rotates at a constant speed of 360 degrees, and the beating-up reed has enough pause time to allow air flow to blow weft yarns to fly to the head in an air jet profiled reed air groove during weft insertion, and also needs to quickly and forcefully beat the weft yarns to a weaving point at the foremost end of the loom at 0 degrees after the weft insertion is realized. The longer the pause time at the position farthest from the beating-up point is, the more sufficient the time for weft insertion is, the lower the requirement on air pressure for weft insertion is correspondingly, and meanwhile, the speed of the vehicle can be faster; the larger the beating-up force is, the fuller the cloth cover style woven by the weaving machine is, and the application range of the weaving machine to thick and heavy varieties is wider.

The existing air jet loom with 280cm width normally operates within 550 revolutions per minute basically adopts an eccentric crank to drive a sley foot, a sley and a reed on a beating-up shaft through a six-link rod or a four-link rod so as to solve the problem of the required stopping time for weft insertion, and has the defects that the longest approximate stopping time is not more than 60 degrees, the stopping time is long, and the beating-up time is shorter and the force is smaller. The operation speed of the machine cannot be increased, thick and heavy fabrics cannot be woven, and the connecting rod on the eccentric crank rotates on the crank through the bearing bush to form sliding friction, so the bearing bush is high in material requirement, can be worn for a long time, is troublesome to replace, is high in energy consumption, is small in beating-up force, is more easily damaged parts, and is large in maintenance amount. The disclosure of the application No. 201110088652.1 is a summary of the conjugate cam beating-up as a beating-up mode of the air jet loom and its advantages, there is no specific feasible implementation scheme, it can be seen from the figure of its application data that it is a infeasible scheme, the problem of conjugate cam gap adjustment is not solved, and in the shown figure, the rotor of the swing shaft towards the direction of the big gear is a cam plate corresponding to a position far away from the big cover plate, in order to not interfere with the big gear of the bridge, the swing shaft needs to move outwards, the whole box body will be larger, and interference to other components will occur. The other rotor corresponds to the cam plate close to the large cover plate, and the shape of the combined cam plate is added, so that the structure is unscientific and can not realize air jet beating-up and weft insertion.

Disclosure of Invention

To the problem, the utility model provides a structure science is compact, the transmission is stable, can compromise the pause wefting insertion time that is more than or equal to 60 degrees and bigger beating-up power, and an organic whole satisfies beating-up, hank limit requires that the cam rotor clearance is adjustable and do not interfere the air jet loom box of beating-up of other spare parts of loom.

The utility model adopts the technical proposal that: the utility model provides an air jet loom box that beats up, includes the main tank body, main tank body one side sets up in the loom side, and the opposite side just sets up big apron, its characterized in that outwards: the loom also comprises a conjugate cam group, two rotors, a first-level driving gear, a large bridge gear, a first-level driven gear, a second-level driving gear and a second-level driven gear which are all arranged in a main box body, an outer conjugate cam sheet, an inner conjugate cam sheet and a first-level driving gear of the conjugate cam group are sequentially arranged inwards by a large cover plate and are connected on a loom main shaft penetrating through the main box body in a penetrating way, the loom main shaft is supported and rotated on the main box body and the large cover plate through a bearing, a swinging shaft parallel to the loom main shaft, a large bridge gear shaft, a planet leno edge transmission shaft and a rear rod swinging eccentric cam driving shaft are further connected on the main box body in a penetrating way, the swinging shaft is arranged above the loom main shaft, one end of the swinging shaft is connected with a reed base foot outside the main box body, the other end of the swinging shaft is connected into the box body and is connected with a main power arm and a secondary power arm, the auxiliary power arm and the main power arm are respectively provided with an inner rotor and an outer rotor which are in a gapless rolling state corresponding to the inner conjugate cam plate and the outer conjugate cam plate of the conjugate cam group, the outer rotor is pressed and connected by a gland, an adjustable eccentric mandrel of the rotor is adjustably arranged on the main power arm, the large cover plate is provided with an adjusting hole corresponding to the positions of the main power arm and the outer rotor, and the adjusting hole is provided with a small sealing plate; the large gap bridge gear shaft is connected with a large gap bridge gear in a penetrating mode, the large gap bridge gear is meshed with a first-stage driving gear, a planetary selvage transmission shaft is fixed in a main box body and is provided with a first-stage driven gear and a second-stage driving gear in a same circle center, the planetary selvage transmission shaft is externally connected with a planetary selvage device arranged outside the main box body, a second-stage driven gear meshed with the second-stage driving gear is fixed on a rear rod swinging eccentric cam driving shaft and is arranged in the same circle center, a rear rod swinging eccentric cam is connected to an eccentric shaft section on the rear rod swinging eccentric cam driving shaft, and the rear rod swinging eccentric cam is connected with a yarn guide shaft through a rear rod.

Furthermore, the large gap bridge gear shaft is supported on a small box support side plate in the main box body, and a gap staggered with the adjusting hole is reserved on the small box support side plate.

Furthermore, the gear ratio of the first-stage driven gear to the first-stage driving gear is 1:1, namely the rotating speed ratio of the planetary leno edge transmission shaft to the main shaft of the weaving machine is 1:1, the second-stage driving gear is meshed with the second-stage driven gear, and the gear ratio is 1:1, namely the rotating speed ratio of the planetary leno edge transmission shaft to the rear rod swinging eccentric cam driving shaft is 1: 1.

Further, the secondary driving gear and the primary driven gear share one gear.

Further, the secondary driven gear directly engages the primary driven gear.

Furthermore, the rear rod swinging eccentric cam driving shaft and the planet selvage transmission shaft are integrated into a shaft, and a secondary main gear and a secondary driven gear are not arranged.

Further, a sley with a beating-up reed is arranged on the sley leg.

The utility model discloses an useful part: 1. the inner and outer conjugate cam pieces of the conjugate cam set correspondingly act on the inner and outer rotors on two sides of the swing shaft, the fit clearance between the outer rotor and the inner and outer conjugate cam pieces can be corrected by loosening the gland through adjusting holes and using a special spanner to rotate the adjustable eccentric mandrel of the rotor, so that the inner and outer rotors, the inner and outer conjugate cam pieces are in gapless fit rolling with each other, the conjugate cam set can realize longer pause weft insertion time of not less than 60 degrees through curve design, and can realize larger beating-up force after acceleration optimization; 2. the small intra-box support side plates for supporting the large gap bridge gear shaft are arranged in the main box body, a notch is reserved, the large cover plate of the main box body is provided with an adjusting hole with an outer sealing plate, the outer sealing plate can be opened to adjust the rotor adjustable eccentric shaft of the outer rotor on the main power arm through the adjusting hole, so that the fit clearance between the outer rotor and the outer conjugate cam sheet is adjusted, the space required by adjustment is designed and reserved, the problems of original element interference and operation convenience are considered on the basis of being matched with the existing weaving machine, and the problems of installation and maintenance of a conjugate cam beating-up structure are effectively solved; 3. the box body solves the beating-up problem, and simultaneously realizes the rotating mechanical transmission of the planet selvage mechanism and the eccentric vibration mechanical transmission output by driving the yarn guide shaft by the slave power arm and the rear rod through reasonable design; 4. the power shaft of the conjugate cam group is arranged below the swing arms and the rotors of the two rotors of the swing shaft, and the sley and the reed of the weaving machine are arranged above the swing shaft, so that the dynamic balance of high-speed reciprocating motion is realized, and the vibration of the machine is smaller when the machine runs at high speed; 5. the box body has the same overall dimension as that of the existing Japanese weaving machine, and accessories except the box body are universal with the original Japanese air jet weaving machine, so that the weaving machine is convenient for batch production, the weaving machine has the same occupied space, the air pressure required by the weaving machine is low, the energy consumption is low, the beating-up force is large, the number of easily damaged parts is small, the maintenance amount is small, the vibration is small, the speed of the weaving machine is high, the speed of the weaving machine can run at 800 revolutions per minute of a 280cm width loom, and the box body is a first choice for upgrading and updating of the existing crank.

Drawings

FIG. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic view of the internal structure of fig. 1.

In the figure: the device comprises a main box body 1, a main shaft 2, an inner conjugate cam plate 3, an outer conjugate cam plate 4, an inner rotor 5, an outer rotor 6, a rotor adjustable eccentric mandrel 7, a gland 8, an adjusting hole 9, a swing shaft 10, a first-stage driving gear 11, a large bridge gear 12, a first-stage driven gear 13, a second-stage driving gear 14, a second-stage driven gear 15, a planetary twisting transmission shaft 16, a rear rod swinging eccentric cam driving shaft 17, a large bridge gear shaft 18, a box inner support small side plate 19, a rear rod swinging eccentric cam 20, a planetary twisting device 21, a reed base foot 22, a reed base 23, a beating-up reed 24, a rear rod 25, a yarn guide shaft 26, yarns 27, a driving force arm 28, a driven force arm 29, a large cover plate 30 and an outer sealing plate 31.

Detailed Description

The following is further described with reference to the following examples and accompanying drawings.

Shown in FIGS. 1 and 2: a beating-up box body of an air jet loom comprises a main box body 1, a main shaft 2, an inner conjugate cam piece 3, an outer conjugate cam piece 4, an inner rotor 5, an outer rotor 6, a rotor adjustable eccentric mandrel 7, a gland 8, a swing shaft 10, a first-stage driving gear 11, a large bridge gear 12, a first-stage driven gear 13, a second-stage driving gear 14, a second-stage driven gear 15, a planetary selvage transmission shaft 16, a rear rod swing eccentric cam driving shaft 17, a large bridge gear shaft 18, a box inner support small side plate 19, a rear rod swing eccentric cam 20, a planetary selvage device 21, a reed seat foot 22, a reed seat 23, a beating-up reed 24, a rear rod 25, a yarn guide shaft 26, a driving force arm 28, a driven force arm 29, a large cover plate 30 and an outer sealing plate 31. The main box body 1 is arranged on the side of the weaving machine, an inner conjugate cam piece 3, an outer conjugate cam piece 4, an inner rotor 5, an outer rotor 6, an adjustable eccentric mandrel 7 of the rotor, a gland 8, a first-stage driving gear 11, a large gap bridge gear 12, a first-stage driven gear 13, a second-stage driving gear 14 and a second-stage driven gear 15 are arranged on the side of the weaving machine, the conjugate cam group 3 and the first-stage driving gear 11 are connected on a main shaft 2 penetrating into the main box body 1 in a penetrating way, a large cover plate 30 is arranged on the outer side of the main box body 1, a swing shaft 10 parallel to the main shaft, a large gap bridge gear shaft 18, a planet leno edge transmission shaft 16 and a rear rod swinging eccentric cam driving shaft 17 are connected on the main box body in a penetrating way, one end of the swing shaft 10 is connected on a reed base foot 22 outside the main box body, a reed base 23 with a beating reed 24 is arranged on the reed base foot 22, the other end of the swing shaft, the driven power arm is correspondingly arranged at the other side of the swing shaft, the inner rotor 5 and the outer rotor 6 are respectively connected to the driven power arm 29 and the main power arm 28, the outer rotor 6 is pressed on the main power arm 28 by the gland 8 through the rotor adjustable eccentric mandrel 7, the inner rotor and the outer rotor correspondingly roll on the inner conjugate cam plate and the outer conjugate cam plate of the conjugate cam group without clearance, the large cover plate 30 is provided with an adjusting hole 9 corresponding to the position of the main power arm and the position of the outer rotor, the adjusting hole 9 is covered with an outer sealing plate 31, the sealing cover on the adjusting hole is opened, the rotor adjustable eccentric mandrel 7 can be rotated by a special spanner to correct the joint clearance of the outer rotor 6 between the outer conjugate cam plates 4, so that the inner rotor and the outer rotor respectively roll with the inner; the large gap bridge gear shaft 18 is connected with a large gap bridge gear 12 in a penetrating manner, the large gap bridge gear 12 is meshed with a first-stage driving gear 11, a planet selvage transmission shaft 18 is connected with a first-stage driven gear 13 and a second-stage driving gear 14 in a penetrating manner in a main box body 1, the planet selvage transmission shaft 18 is externally connected with a loom planet selvage device 21 arranged outside the main box body 1, a rear rod swinging eccentric cam driving shaft 17 is connected with a second-stage driven gear 15 meshed with the second-stage driving gear in a penetrating manner, a rear rod swinging eccentric cam driving shaft is connected with a rear rod swinging eccentric cam 20 in a penetrating manner, the rear rod swinging eccentric cam 20 is connected with a yarn guiding shaft 26 through two rear rods 25 which are sequentially hinged, and the rear rod swinging eccentric cam driving shaft drives the rear rod swinging eccentric cam to drive the yarn guiding shaft 26 to vibrate the guiding yarn 27 through. The large gap bridge gear shaft is supported on a small box inner support side plate 19 in the main box body, and openings staggered with the positions of the adjusting holes are reserved on the small box inner support side plate 19.

In the embodiment, the gear ratio of the primary driven gear to the primary driving gear is 1:1, namely the rotating speed ratio of the planetary leno transmission shaft to the main shaft of the loom is 1:1, the secondary driving gear is meshed with the secondary driven gear, and the gear ratio is 1:1, namely the rotating speed ratio of the planetary leno transmission shaft to the rear rod swinging eccentric cam driving shaft is 1: 1.

In this embodiment, the planet selvage mechanism is the existing purchased product and can be directly used.

On the basis of the above embodiment, the secondary driving gear and the primary driven gear can share one gear.

On the basis of the above embodiment, the secondary driven gear can be directly meshed with the primary driven gear,

on the basis of the above embodiment, the rear rod swinging eccentric cam driving shaft and the planet selvage transmission shaft can be integrated into a shaft without a secondary main gear and a secondary driven gear.

Claims

1. The utility model provides an air jet loom box that beats up, includes main tank body and big apron, main tank body one side sets up in the loom side, and the opposite side just sets up big apron, its characterized in that outwards: the loom also comprises a conjugate cam group, two rotors, a first-level driving gear, a large bridge gear, a first-level driven gear, a second-level driving gear, a second-level driven gear and a small in-box-inner-support side plate which are all arranged in a main box body, an outer conjugate cam sheet, an inner conjugate cam sheet and a first-level driving gear which are sequentially inwards provided with a large cover plate are connected on a loom main shaft penetrating through the main box body in a penetrating way, the loom main shaft is supported and rotated on the main box body and the large cover plate through a bearing, a swing shaft parallel to the loom main shaft, a large bridge gear shaft, a planet leno-edge transmission shaft and a rear rod swing eccentric cam driving shaft are further connected on the main box body in a penetrating way, the swing shaft is arranged above the loom main shaft, one end of the swing shaft is connected with a reed base foot outside the main box body, the other end of the swing shaft is connected into the box body and fixedly connected with a main power arm and a secondary, the auxiliary power arm and the main power arm are respectively provided with an inner rotor and an outer rotor which are in a gapless rolling state corresponding to the inner conjugate cam plate and the outer conjugate cam plate of the conjugate cam group, the outer rotor is pressed and connected by a gland, a rotor adjustable eccentric mandrel is adjustably arranged on the main power arm, the large cover plate is provided with an adjusting hole corresponding to the positions of the main power arm and the outer rotor, and the adjusting hole is provided with a small sealing plate; the large gap bridge gear shaft is connected with a large gap bridge gear in a penetrating mode, the large gap bridge gear is meshed with a first-stage driving gear, a planetary selvage transmission shaft is fixed in a main box body and is provided with a first-stage driven gear and a second-stage driving gear in a same circle center, the planetary selvage transmission shaft is externally connected with a planetary selvage device arranged outside the main box body, a second-stage driven gear meshed with the second-stage driving gear is fixed on a rear rod swinging eccentric cam driving shaft and is arranged in the same circle center, a rear rod swinging eccentric cam is connected to an eccentric shaft section on the rear rod swinging eccentric cam driving shaft, and the rear rod swinging eccentric cam is connected with a yarn guide shaft through a rear rod.

2. An air jet loom beating-up box according to claim 1, characterized in that: the main box body is internally provided with a small box-inner support side plate, one end of a large bridge gear shaft is supported on the small box-inner support side plate in the main box body, the other end of the large bridge gear shaft is supported on the main box body, a notch for staggering a main power arm, an outer rotor and a gland is reserved on the small box-inner support side plate, a sufficient space is reserved between the small box-inner support side plate and a large cover plate, and an adjusting hole and an outer sealing plate are arranged at the position of the large cover plate, corresponding to the outer bearing and the gland on the main power.

3. An air jet loom beating-up box according to claim 1, characterized in that: the gear ratio of the first-stage driven gear to the first-stage driving gear is 1:1, namely the rotating speed ratio of the planetary leno edge transmission shaft to the main shaft of the loom is 1:1, the second-stage driving gear is meshed with the second-stage driven gear, and the gear ratio is 1:1, namely the rotating speed ratio of the planetary leno edge transmission shaft to the rear rod swinging eccentric cam driving shaft is 1: 1.

4. An air jet loom beating-up box according to claim 1, characterized in that: and the secondary driving gear and the primary driven gear share one gear.

5. An air jet loom beating-up box according to claim 1, characterized in that: the secondary driven gear directly engages the primary driven gear.

6. An air jet loom beating-up box according to claim 1, characterized in that: the rear rod swinging eccentric cam driving shaft and the planet selvage transmission shaft are integrated into a shaft without a secondary main gear and a secondary driven gear.

7. An air jet loom beating-up box according to claim 1, characterized in that: and a sley with a beating-up reed is arranged on the sley leg.