Six-connecting-rod weft insertion and four-connecting-rod beating-up composite mechanism

Abstract

The utility model discloses a six-connecting-rod weft insertion and four-connecting-rod beating-up composite mechanism, which belongs to the technical field of transmission mechanisms and comprises a planar six-connecting-rod weft insertion mechanism, a differential gear train, a bevel gear set and a planar four-connecting-rod beating-up mechanism. The planar six-connecting-rod weft insertion mechanism comprises a transmission wheel, and a first connecting rod, a first rocker, a second connecting rod and a second rocker which are rotationally connected with the transmission wheel in sequence; the first rocker is rotationally connected with a first connecting rod and a second connecting rod. One end of the second rocker is rotationally connected with the second connecting rod, and the other end is connected with the differential gear train; the differential gear train is rotationally connected with the bevel gear set, and the bevel gear set is rotationally connected with a rapier transmission wheel. The weft insertion and beating-up combined type mechanism can effectively solve the problem that the relative static time of a connecting rod beating-up mechanism is short, the rapier transmission wheel swings along with the beating-up rocker, relative movement is reduced, the weft insertion time is relatively prolonged, a rapier head can fly between sheds conveniently, the cost is relatively low, and meanwhile the weft insertion requirement is met.

Description

Technical Field

[0001] The utility model relates to the technical field of transmission mechanisms, in particular to a six-link weft insertion and four-link weft beating composite mechanism. Background Art

[0002] In current textile equipment, the weft insertion and beating-up mechanisms have complex structures, high production costs, short relative static time, and more relative movement, making it difficult to meet the needs of weft insertion and beating-up.

[0003] At the same time, the length of the weft insertion crank is difficult to adjust, which makes the weft insertion and beating mechanism less flexible to use and does not meet current usage requirements. Utility Model Content

[0004] In order to overcome the deficiencies of the prior art, the utility model provides a six-link weft insertion and four-link weft beating composite mechanism.

[0005] In order to solve the above technical problems, the utility model provides the following technical solutions: a six-link weft insertion and four-link weft beating composite mechanism, comprising a planar six-link weft insertion mechanism, a differential gear train and a bevel gear set, and a planar four-link weft beating mechanism connected in sequence;

[0006] The planar six-link weft insertion mechanism includes a transmission wheel, and a first connecting rod, a first rocker, a second connecting rod, and a second rocker, which are sequentially rotatably connected to the transmission wheel. The first rocker has three rotational connection points, two of which are rotatably connected to the first connecting rod and the second connecting rod, respectively. One end of the second rocker is rotatably connected to the second connecting rod, and the other end is connected to the differential gear system.

[0007] The planar four-bar linkage beating-up mechanism includes a crankshaft, a beating-up rocker, and a beating-up connecting rod that are rotatably connected. The beating-up connecting rod has a first through hole at one end away from the beating-up rocker. One end of the crankshaft passes through the first through hole and is fixedly connected to the transmission wheel. The other end of the crankshaft is a free end. The other end of the beating-up rocker is connected to the differential gear system.

[0008] The differential gear train is rotationally connected to the bevel gear set, and the bevel gear set is rotationally connected to the sword transmission wheel.

[0009] Furthermore, the differential gear system includes a ring gear, a planetary carrier and a sun gear; one end of the planetary carrier passes through the inside of the ring gear, and the planetary carrier is provided with a planetary gear that rotates around the sun gear, and the other end of the planetary carrier is fixedly connected to one end of the beating rocker; the ring gear is fixedly connected to one end of the second rocker.

[0010] Furthermore, the bevel gear set includes a first-stage driving bevel gear and a second-stage driven bevel gear, the first-stage driving bevel gear is rotationally connected to the sun gear, and the second-stage driven bevel gear is rotationally connected to the sword transmission gear.

[0011] Furthermore, a crank length adjustment slider is detachably connected to the side of the transmission wheel away from the crankshaft, and a mounting shaft is provided on the crank length adjustment slider, and one end of the first connecting rod is sleeved on the mounting shaft to achieve connection.

[0012] Furthermore, a plurality of first mounting holes are provided on the crank length adjustment slider, and a plurality of second mounting holes are provided at corresponding positions of the transmission wheel. The length adjustment bolt passes through the first mounting holes and the second mounting holes in sequence to detachably connect the crank length adjustment slider to the transmission wheel; the distances between the plurality of second mounting holes and the center of the transmission wheel are different.

[0013] Furthermore, the first mounting holes include two rows of mounting holes arranged in parallel and distributed on both sides of the mounting axis, and each row includes a plurality of mounting holes.

[0014] Compared with the prior art, the beneficial effects achieved by the present invention are as follows: this composite weft insertion and beating-up mechanism can effectively solve the problem of the relatively short static time of the connecting rod beating-up mechanism; the sword wheel swings with the sley (beating-up rocker), reducing relative motion, relatively increasing the weft insertion time, facilitating the sword head to fly between shed eyes, and meeting the weft insertion requirements at a relatively low cost. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a first three-dimensional structural diagram of the six-link weft insertion and four-link weft beating composite mechanism of the present invention.

[0016] Figure 2 This is a second three-dimensional structural diagram of the six-link weft insertion and four-link weft beating composite mechanism of the present invention.

[0017] Figure 3 This is a structural diagram of the six-link weft insertion mechanism of the present utility model.

[0018] Figure 4 It is a structural diagram of the four-link beating-up mechanism of the utility model.

[0019] Figure 5 This is a diagram of the installation structure of the transmission wheel and the crank length adjustment slider of the present utility model.

[0020] Among them: 1. Transmission wheel; 2. First connecting rod; 3. First rocker; 4. Second connecting rod; 5. Second rocker; 6. Crankshaft; 7. Beating rocker; 8. Beating connecting rod; 9. First through hole; 10. Sword wheel; 11. Ring gear; 12. Planet carrier; 13. Sun gear; 14. First-stage active bevel gear; 15. Second-stage driven bevel gear; 16. Crank length adjustment slider; 17. Mounting shaft; 18. First mounting hole; 19. Second mounting hole. DETAILED DESCRIPTION

[0021] The following is attached with the instruction manual Figure 1-5 , the technical solution of the utility model is described through specific embodiments.

[0022] Example:

[0023] like Figure 1-5 As shown, the utility model provides a six-link weft insertion and four-link weft beating composite mechanism, comprising a planar six-link weft insertion mechanism, a differential gear train and a bevel gear set, and a planar four-link weft beating mechanism connected in sequence;

[0024] The planar six-link weft insertion mechanism includes a transmission wheel 1, and a first link 2, a first rocker 3, a second link 4, and a second rocker 5, which are rotatably connected to the transmission wheel 1 in sequence. The first rocker 3 has three rotational connection points, two of which are rotatably connected to the first link 2 and the second link 4, respectively, and the other rotational connection point is a free connection point. One end of the second rocker 5 is rotatably connected to the second link 4, and the other end is connected to the differential gear system.

[0025] The planar four-bar beating mechanism includes a crankshaft 6, a beating rocker 7, and a beating link 8, which are rotatably connected. The beating link 8 has a first through hole 9 at one end away from the beating rocker 7. One end of the crankshaft 6 passes through the first through hole 9 and is fixedly connected to the transmission wheel 1. The other end of the crankshaft 6 is free. The other end of the beating rocker 7 is connected to the differential gear system.

[0026] The differential gear system is rotationally connected to the bevel gear set, and the bevel gear set is rotationally connected to the sword transmission wheel 10.

[0027] The differential gear system includes a ring gear 11, a planet carrier 12 and a sun gear 13; one end of the planet carrier 12 passes through the inside of the ring gear 11, and the planet carrier 12 is provided with planetary gears that rotate around the sun gear 13, and the other end of the planet carrier 12 is fixedly connected to one end of the beating rocker 7; the ring gear 11 is fixedly connected to one end of the second rocker 5.

[0028] The bevel gear set includes a first-stage driving bevel gear 14 and a second-stage driven bevel gear 15 . The first-stage driving bevel gear 14 is rotationally connected to the sun gear 13 , and the second-stage driven bevel gear 15 is rotationally connected to the sword transmission wheel 10 .

[0029] A crank length adjustment slider 16 is detachably connected to the side of the transmission wheel 1 away from the crankshaft 6 . A mounting shaft 17 is provided on the crank length adjustment slider 16 . One end of the first connecting rod 2 is sleeved on the mounting shaft 17 to achieve connection.

[0030] A plurality of first mounting holes 18 are provided on the crank length adjustment slider 16, and a plurality of second mounting holes 19 are provided at corresponding positions of the transmission wheel 1. The length adjustment bolts pass through the first mounting holes 18 and the second mounting holes 19 in sequence to detachably connect the crank length adjustment slider 16 to the transmission wheel 1; the distances between the plurality of second mounting holes 19 and the center of the transmission wheel 1 are different.

[0031] The first mounting holes 18 include two rows of mounting holes arranged in parallel and distributed on both sides of the mounting shaft 17 , and each row includes a plurality of mounting holes.

[0032] In a specific embodiment, the number of the first mounting holes 18 is 8, with 4 holes in each row. In other embodiments, the number of the first mounting holes 18 may be other numbers.

[0033] In the planar six-bar weft insertion mechanism, the transmission wheel 1 rotates at a constant speed, causing the second rocker 5 and the ring gear 11 to oscillate periodically around the center of the ring gear 11. In the planar four-bar beating-up mechanism, the crankshaft 6 rotates at a constant speed around the center of the transmission wheel 1, causing the beating-up rocker 7 and the planetary carrier 12 to oscillate periodically around the center of the ring gear 11. The rotation center of the beating-up rocker 7 is collinear with the rotation center of the second rocker 5 and has the same rotational direction.

[0034] The gear train amplifies the movement of the rod group and consists of a differential gear system and two-stage bevel gears. Ring gear 11 and planet carrier 12 provide coaxial input, while sun gear 13 provides output. Through the two-stage bevel gears, the rapier wheel 10 rotates coaxially with the second-stage driven bevel gear 15, achieving the rapier weft insertion motion. The transmission ratio of the two-stage bevel gears can be adjusted to accommodate weft insertion requirements for fabrics of varying widths.

[0035] The composite weft insertion and beating-up mechanism of the present invention can effectively solve the problem of the relatively short static time of the connecting rod beating-up mechanism. The sword wheel 10 swings with the sley (beating-up rocker 7), which reduces relative motion and relatively increases the weft insertion time, making it easier for the sword head to fly between the sheds, thereby meeting the weft insertion requirements at a relatively low cost.

[0036] In order to ensure that the rapier heads meet in the center at a strict 180° angle, the length of the weft insertion crank needs to be adjusted. The weft insertion crank can be fine-tuned during assembly.

[0037] In order to adjust the length of the weft insertion crank, the crank length adjustment slider 16 is moved parallel to the arrangement direction of the first mounting holes 18 so that different first mounting holes 18 and second mounting holes 19 are aligned. The length adjustment bolt passes through different first mounting holes 18 and second mounting holes 19 in sequence to detachably connect the crank length adjustment slider 16 to the transmission wheel 1, thereby realizing the adjustment of the weft insertion crank length.

[0038] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A six-link weft insertion and four-link weft beating composite mechanism, characterized in that: It includes a planar six-link weft insertion mechanism, a differential gear system and a bevel gear set, and a planar four-link weft beating mechanism connected in sequence; The planar six-link weft insertion mechanism includes a transmission wheel, and a first connecting rod, a first rocker, a second connecting rod, and a second rocker, which are sequentially rotatably connected to the transmission wheel. The first rocker has three rotational connection points, two of which are rotatably connected to the first connecting rod and the second connecting rod, respectively. One end of the second rocker is rotatably connected to the second connecting rod, and the other end is connected to the differential gear system. The planar four-bar linkage beating-up mechanism includes a crankshaft, a beating-up rocker, and a beating-up connecting rod that are rotatably connected. The beating-up connecting rod has a first through hole at one end away from the beating-up rocker. One end of the crankshaft passes through the first through hole and is fixedly connected to the transmission wheel. The other end of the crankshaft is a free end. The other end of the beating-up rocker is connected to the differential gear system. The differential gear train is rotationally connected to the bevel gear set, and the bevel gear set is rotationally connected to the sword transmission wheel.

2. The six-link weft insertion and four-link weft beating composite mechanism according to claim 1, characterized in that: The differential gear system includes a ring gear, a planetary carrier and a sun gear; one end of the planetary carrier passes through the interior of the ring gear, and the planetary carrier is provided with a planetary gear that rotates around the sun gear, and the other end of the planetary carrier is fixedly connected to one end of the beating rocker; the ring gear is fixedly connected to one end of the second rocker.

3. The six-link weft insertion and four-link weft beating composite mechanism according to claim 1, characterized in that: The bevel gear set includes a first-stage driving bevel gear and a second-stage driven bevel gear, the first-stage driving bevel gear is rotationally connected to the sun gear, and the second-stage driven bevel gear is rotationally connected to the sword transmission gear.

4. The six-link weft insertion and four-link weft beating composite mechanism according to claim 1, characterized in that: A crank length adjustment slider is detachably connected to the side of the transmission wheel away from the crankshaft. The crank length adjustment slider is provided with a mounting shaft, and one end of the first connecting rod is sleeved on the mounting shaft to achieve connection.

5. The six-link weft insertion and four-link weft beating composite mechanism according to claim 4, characterized in that: A plurality of first mounting holes are provided on the crank length adjustment slider, and a plurality of second mounting holes are provided at corresponding positions of the transmission wheel. The length adjustment bolt passes through the first mounting holes and the second mounting holes in sequence to detachably connect the crank length adjustment slider to the transmission wheel; the distances between the plurality of second mounting holes and the center of the transmission wheel are different.

6. The six-link weft insertion and four-link weft beating composite mechanism according to claim 5, characterized in that: The first mounting holes include two rows of mounting holes arranged in parallel and distributed on both sides of the mounting axis, and each row includes a plurality of mounting holes.

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