阅读说明：本技术 一种宽幅织机张力式供经纱梁结构 (Wide loom tension type warp supplying beam structure ) 是由 钮春荣 郭建洋 李春林 李有红 王亮 李雪宁 孙欢欢 于 2021-09-08 设计创作，主要内容包括：本发明公开了一种宽幅织机张力式供经纱梁结构,包括机架和转动安装在机架上的织轴；驱动并控制织轴转动速度的调节结构；用于支撑织轴上卷出经纱的转动梁,所述转动梁为空心圆柱结构、表面开设有均匀分布的负压孔；插接在转动梁内的负压结构,所述负压结构对转动梁内的上部空间进行空气抽吸；以及包括驱动转动梁匀速转动的转动结构。本发明中织轴上缠绕有成卷的经纱,经纱绕过转动梁顶部后送出,其中转动梁顶部表面设置负压孔,通过负压吸附住经纱,保证经纱能够跟随转动梁匀速转动。(The invention discloses a tension type warp supplying beam structure of a wide loom, which comprises a rack and a beam rotatably arranged on the rack; the adjusting structure drives and controls the rotating speed of the beam; the rotating beam is used for supporting warp yarns wound on the weaving shaft, the rotating beam is of a hollow cylindrical structure, and negative pressure holes which are uniformly distributed are formed in the surface of the rotating beam; the negative pressure structure is inserted in the rotating beam and is used for sucking air in the upper space in the rotating beam; and a rotating structure for driving the rotating beam to rotate at a constant speed. According to the invention, the warp yarns in coils are wound on the weaving shaft, the warp yarns are delivered out after bypassing the top of the rotating beam, and the surface of the top of the rotating beam is provided with the negative pressure hole, so that the warp yarns are adsorbed by negative pressure, and the warp yarns can be ensured to rotate at a constant speed along with the rotating beam.)

1. The utility model provides a wide width loom tension formula supplies warp beam structure, includes frame (1) and rotates beam of a loom (2) of installing in frame (1), its characterized in that still includes:

a regulating structure (6) for driving and controlling the rotating speed of the beam (2);

the rotating beam (3) is used for supporting warp (201) wound on the weaving shaft (2), the rotating beam (3) is of a hollow cylindrical structure, and negative pressure holes (301) are uniformly distributed on the surface of the rotating beam;

the negative pressure structure (5) is inserted into the rotating beam (3), and the negative pressure structure (5) sucks air from the upper space in the rotating beam (3);

and a rotating structure (4) for driving the rotating beam (3) to rotate at a constant speed.

2. A wide loom tension type warp beam structure according to claim 1, wherein: the adjusting structure (6) comprises an installation frame (61) fixedly connected with the frame (1), a concave roller shaft (62) and a convex roller shaft (63) are rotatably arranged on the installation frame (61), the diameter of the concave roller shaft (62) is gradually increased and the diameter of the convex roller shaft (63) is gradually decreased along the axial direction towards the loom beam;

an arc-shaped equidistant space (68) is formed between the concave roller shaft (62) and the convex roller shaft (63), one side of a transmission ring (66) is inserted into the equidistant space (68), and the transmission ring (66) is in frictional contact with the surfaces of the concave roller shaft (62) and the convex roller shaft (63); the concave roller shaft (62) is driven by a second motor (64), and the convex roller shaft (63) is coaxially and fixedly connected with a central shaft of the weaving shaft (2);

the adjusting structure (6) further comprises a driving structure (67) for driving the transmission ring (66) to horizontally rotate along the equidistant space (68).

3. A wide loom tension type warp beam structure according to claim 2, wherein: adjust structure (6) still including setting up slide structure (65) at concave roller axle (62) both ends, slide structure (65) drive concave roller axle (62) slide along mounting bracket (61) to the width of equidistance space (68) between control concave roller axle (62) and protruding roller axle (63).

4. A wide loom tension type warp beam structure according to claim 3, wherein: the sliding seat structure (65) is composed of a sliding block (651) rotatably connected with the end part of the concave roller shaft (62) and a screw rod (652) which axially penetrates through the mounting frame (61) and is rotatably connected with the sliding block (651);

offer on mounting bracket (61) and be used for slider (651) reciprocating sliding's mounting groove (6101), lead screw (652) screw thread runs through mounting groove (6101) lateral wall and extends to the outer tip, second motor (64) fixed mounting is on slider (651) of one side wherein, and the drive end of second motor (64) and the coaxial rigid coupling of concave roller axle (62) center pin.

5. A wide loom tension type warp beam structure according to claim 2, wherein: the drive structure (67) comprises an arcuate frame (671) supporting a drive ring (66) and a runner (673);

three runner seat (672) are no less than in two tip and the intermediate position setting of arc frame (671), runner seat (672) internal rotation installs runner (673), drive ring (66) cover is on a plurality of runners (673) simultaneously.

6. A broad loom tension type warp beam structure according to claim 5, wherein: the driving structure (67) further comprises a fixed shaft (674) fixedly connecting the two rotating wheel seats (672) at the end part, and the fixed shaft (674) is rotatably arranged on the mounting frame (61) so that one side of the transmission ring (66) is clamped in an equidistant space (68) between the concave roller shaft (62) and the convex roller shaft (63);

a worm (675) is coaxially and fixedly connected to the fixed shaft (674), a worm wheel (676) is meshed to the worm (675), the worm wheel (676) is fixedly connected to a driving shaft of a third motor (677), and the third motor (677) is fixedly arranged on the mounting frame (61).

7. A wide loom tension type warp beam structure according to claim 1, wherein: negative pressure structure (5) are including activity grafting at the inside negative pressure section of thick bamboo (51) of live-beam (3), vent channel (5101) have been seted up at negative pressure section of thick bamboo (51) top, and negative pressure section of thick bamboo (51) both ends are equipped with tip axle (5102) of being connected with live-beam (3) rotation, and one side tip axle (5102) run through live-beam (3) and install on support (101), and set up the through-hole with the inside intercommunication of negative pressure section of thick bamboo (51) on tip axle (5102), set up hose (52) and negative pressure pump (53) intercommunication at the through-hole opening part.

8. A wide loom tension type warp beam structure according to claim 7, wherein: the rotating structure (4) comprises an external tooth slewing bearing (41) sleeved on the end shaft (5102) at one side, a gear (42) meshed with the outer ring of the external tooth slewing bearing (41) and a first motor (43) for driving the gear (42);

the inner ring of the external tooth slewing bearing (41) is fixedly connected with the end shaft (5102), the end face of the outer ring of the external tooth slewing bearing (41) is fixedly connected with one side of the rotating beam (3), and the other side of the rotating beam (3) is rotatably arranged on the bracket (101).

Technical Field

The invention relates to the technical field of yarn feeding equipment of a weaving machine, in particular to a tension type warp supplying beam structure of a wide weaving machine.

Background

In the field, the main shaft of the weaving machine can ensure that the required warp yarn amount is sent out every time one main shaft rotates, and the uniform warp yarn sending amount in the whole weaving process can be ensured. In practice, as weaving progresses, the radius of a warp roll is continuously reduced, in order to ensure that the warp feeding amount is constant in the whole weaving process, a corresponding speed distribution mechanism is required to be arranged on a driving shaft, so that the rotating speed of the driving shaft is correspondingly increased, and the warp feeding amount is ensured to be constant.

Disclosure of Invention

The invention aims to provide a tension type warp supplying beam structure of a wide loom, which solves the problems in the prior art.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a wide width loom tension formula supplies warp beam structure, includes the frame and rotates the beam of a loom of installing in the frame, still includes:

the adjusting structure drives and controls the rotating speed of the beam;

the rotating beam is used for supporting warp yarns wound on the weaving shaft, the rotating beam is of a hollow cylindrical structure, and negative pressure holes which are uniformly distributed are formed in the surface of the rotating beam;

the negative pressure structure is inserted in the rotating beam and is used for sucking air in the upper space in the rotating beam;

and a rotating structure for driving the rotating beam to rotate at a constant speed.

Preferably, the adjusting structure comprises an installation frame fixedly connected with the frame, a concave roller shaft and a convex roller shaft are rotatably arranged on the installation frame, the diameter of the concave roller shaft is gradually increased and the diameter of the convex roller shaft is gradually decreased along the axial direction towards the weaving shaft;

an arc equidistant space is formed between the concave roller shaft and the convex roller shaft, one side of the transmission ring is inserted into the equidistant space, and the transmission ring is in frictional contact with the surfaces of the concave roller shaft and the convex roller shaft; the concave roller shaft is driven by a second motor, and the convex roller shaft is coaxially and fixedly connected with a central shaft of the weaving shaft;

the adjusting structure further comprises a driving structure for driving the transmission ring to horizontally rotate along the equidistant space.

Preferably, the regulation structure is still including setting up the slide structure at concave roller both ends, slide structure drive concave roller slides along the mounting bracket to the width in equidistance space between control concave roller axle and the convex roller axle.

Preferably, the sliding seat structure is composed of a sliding block rotatably connected with the end part of the concave roller shaft and a screw rod axially penetrating through the mounting frame and rotatably connected with the sliding block;

offer the mounting groove that is used for slider reciprocating sliding on the mounting bracket, the lead screw thread runs through the mounting groove lateral wall and extends to the tip, second motor fixed mounting is on the slider of one side wherein, and the drive end and the coaxial rigid coupling of concave roller center pin of second motor.

Preferably, the driving structure comprises an arc-shaped frame for supporting the transmission ring and a rotating wheel;

the two ends and the middle position of the arc-shaped frame are provided with at least three rotating wheel seats, rotating wheels are installed in the rotating wheel seats in a rotating mode, and the transmission rings are sleeved on the rotating wheels simultaneously.

Preferably, the driving structure further comprises a fixed shaft fixedly connected with the two runner seats at the end part, and the fixed shaft is rotatably arranged on the mounting frame, so that one side of the transmission ring is clamped in an equidistant space between the concave roller shaft and the convex roller shaft;

the coaxial rigid coupling has the worm on the fixed axle, the meshing has the worm wheel on the worm, the worm wheel rigid coupling is in the drive shaft of third motor, the third motor is fixed to be set up on the mounting bracket.

Preferably, the negative pressure structure comprises a negative pressure cylinder movably inserted in the rotating beam, the top of the negative pressure cylinder is provided with a vent groove, two ends of the negative pressure cylinder are provided with end shafts rotatably connected with the rotating beam, one end shaft penetrates through the rotating beam and is mounted on the support, a through hole communicated with the inside of the negative pressure cylinder is formed in the end shaft, and a hose is arranged at the opening of the through hole and communicated with the negative pressure pump.

Preferably, the rotating structure comprises an external tooth slewing bearing sleeved on the shaft at one side end, a gear meshed with an outer ring of the external tooth slewing bearing and a first motor for driving the gear;

the inner ring of the external tooth slewing bearing is fixedly connected with the end shaft, the end face of the outer ring of the external tooth slewing bearing is fixedly connected with one side of the rotating beam, and the other side of the rotating beam is rotatably arranged on the support.

Compared with the prior art, the invention has the beneficial effects that:

according to the invention, the warp yarns in coils are wound on the weaving shaft, the warp yarns are delivered out after bypassing the top of the rotating beam, and the surface of the top of the rotating beam is provided with the negative pressure hole, so that the warp yarns are adsorbed by negative pressure, and the warp yarns can be ensured to rotate at a constant speed along with the rotating beam.

In order to ensure that the rotating speed of the loom beam keeps continuous and stepless speed regulation, a transmission ring is arranged between the concave roller shaft and the convex roller shaft to carry out friction transmission, the ratio value of the concave roller shaft to the convex roller shaft is gradually increased along the axial direction towards the loom beam, and the corresponding transmission ratio is also gradually increased. Under the condition that the rotating speed of the concave roller shaft is not changed, when the transmission ring moves towards the direction close to the weaving shaft, the rotating speed of the convex roller shaft is gradually increased. So that the rotational speed of the beam follows the radius of the warp package.

Drawings

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

FIG. 2 is a schematic view of an adjustment structure according to the present invention;

FIG. 3 is a schematic view of the installation of the female and male mandrels of the present invention;

FIG. 4 is a schematic view of a driving structure according to the present invention;

FIG. 5 is an exploded view of the drive structure of the present invention;

FIG. 6 is a schematic view of the female and male spindles of the present invention;

FIG. 7 is a schematic view of a turning beam according to the present invention;

FIG. 8 is a schematic view of the end mounting of the turn beam of the present invention;

FIG. 9 is a schematic view of the interior of the turn beam of the present invention;

FIG. 10 is a schematic view of a negative pressure cartridge of the present invention;

in the figure: 1. a frame; 101. a support; 2. a beam of warp; 201. warp yarns;

3. a turning beam; 301. a negative pressure hole; 4. a rotating structure; 41. the external tooth slewing bearing; 42. a gear; 43. a first motor;

5. a negative pressure structure; 51. a negative pressure cylinder; 5101. a vent channel; 5102. an end shaft; 52. a hose; 53. a negative pressure pump;

6. an adjustment structure; 61. a mounting frame; 6101. mounting grooves; 62. a female roll shaft; 63. a convex roll shaft; 64. a second motor; 65. a slide structure; 651. a slider; 652. a screw rod; 653. a slide rail; 66. a drive ring; 67. a drive structure; 671. an arc-shaped frame; 672. a runner seat; 673. a rotating wheel; 674. a fixed shaft; 675. a worm; 676. a worm gear; 677. a third motor.

Detailed Description

The technical solution of the present invention will be described below with reference to the accompanying drawings and examples.

Referring to fig. 1-3, the present invention provides a technical solution: a tension type warp beam supplying structure of a wide loom comprises a frame 1, a beam 2 rotatably mounted on the frame 1, and an adjusting structure 6 for driving and controlling the rotating speed of the beam 2; the rotating beam 3 is used for supporting the warp 201 wound on the driving shaft 2, the rotating beam 3 is of a hollow cylindrical structure, and negative pressure holes 301 which are uniformly distributed are formed in the surface of the rotating beam 3; the negative pressure structure 5 is inserted in the rotating beam 3, and the negative pressure structure 5 sucks air in the upper space in the rotating beam 3; and comprises a rotating structure 4 for driving the rotating beam 3 to rotate at a constant speed.

Warp 201 in coils is wound on the weaving shaft 2, the warp 201 is sent out after bypassing the top of the rotating beam 3, wherein the surface of the top of the rotating beam 3 is provided with a negative pressure hole 301, the warp 201 is adsorbed by negative pressure, and the warp 201 can be ensured to rotate at a constant speed along with the rotating beam 3.

Referring to fig. 2-6, the adjusting structure 6 includes a mounting frame 61 fixedly connected to the frame 1, the mounting frame 61 is rotatably provided with a concave roller shaft 62 and a convex roller shaft 63, and the diameter of the concave roller shaft 62 is gradually increased and the diameter of the convex roller shaft 63 is gradually decreased along the axial direction toward the loom beam.

Thus, an arc-shaped equidistant space 68 is formed between the concave roller 62 and the convex roller 63, and the side of the driving ring 66 inserted into the equidistant space 68, the driving ring 66 is in frictional contact with the surfaces of the concave roller 62 and the convex roller 63.

Importantly, the method comprises the following steps: the radius of the drive ring 66 coincides with the radius of the arcuate equidistant space 68. The concave roller shaft 62 is driven by a second motor 64, and the convex roller shaft 63 is coaxially and fixedly connected with the central shaft of the driving shaft 2; when the female roller shaft 62 rotates, the driving ring 66 is driven to rotate by friction force, so as to drive the male roller shaft 63 to rotate, and further the loom beam 2 rotates.

As shown in fig. 2-5, the adjusting structure 6 further comprises a driving structure 67 for driving the driving ring 66 to horizontally rotate along the equidistant space 68 and a sliding seat structure 65 disposed at both ends of the concave roller shaft 62.

Wherein: the carriage structure 65 drives the female roller shaft 62 to slide along the mounting frame 61 and controls the width of the equidistant space 68 between the female roller shaft 62 and the male roller shaft 63.

In one embodiment of the present invention, the sliding base structure 65 is composed of a sliding block 651 rotatably connected with the end of the concave roller 62, and a screw rod 652 axially penetrating through the mounting frame 61 and rotatably connected with the sliding block 651;

the mounting bracket 61 is provided with a mounting groove 6101 for the slider 651 to slide in a reciprocating manner, the screw 652 penetrates through the side wall of the mounting groove 6101 and extends towards the outer end, the second motor 64 is fixedly mounted on the slider 651 at one side thereof, and the driving end of the second motor 64 is coaxially and fixedly connected with the central axis of the female roller 62.

In another embodiment of the present invention, the slider 651 may also be slid by a conventional electric telescopic member in the art.

Further, a slide rail 653 for supporting the second motor 64 is further installed on the mounting bracket 61, and the second motor 64 can slide back and forth along the slide rail 653, so as to ensure that the second motor 64 can move synchronously with the slide block 651.

As shown in fig. 2, 4 and 5, the drive structure 67 includes an arcuate shelf 671 supporting the drive ring 66, a runner 673, and a fixed shaft 674 fixedly connecting the two end runner mounts 672.

Wherein, arc frame 671 is the semicircle ring structure, sets up at two tip of arc frame 671 and intermediate position and is no less than three runner seat 672, and runner seat 672 internal rotation installs runner 673, and transmission ring 66 overlaps simultaneously on a plurality of runners 673, is provided with the arch that transmission ring 66 breaks away from runner 673 on runner 673 both sides.

Further, the fixed shaft 674 is rotatably installed on the mounting bracket 61 such that one side of the driving ring 66 is caught in the equidistant space 68 between the female roller shaft 62 and the male roller shaft 63.

Further, a worm 675 is coaxially and fixedly connected to the fixed shaft 674, a worm wheel 676 is meshed on the worm 675, the worm wheel 676 is fixedly connected to a driving shaft of a third motor 677, and the third motor 677 is fixedly arranged on the mounting frame 61.

Rotation of the worm 675 rotates the drive ring 66 and the arcuate frame 671 synchronously so that the drive ring 66 can slide along the equidistant space 68.

The drive ring 66 moves to different positions in the equidistant space 68 corresponding to different drive ratios between the female roller shaft 62 and the male roller shaft 63, specifically: the ratio of the concave roller shaft 62 to the convex roller shaft 63 increases gradually in the axial direction toward the loom beam, and the corresponding transmission ratio also increases gradually. Under the condition that the rotating speed of the concave roller 62 is not changed, when the transmission ring 66 moves towards the direction close to the beam 2, the rotating speed of the convex roller 63 is gradually increased; when the driving ring 66 moves away from the beam 2, the rotation speed of the male roller 63 gradually decreases. Thereby achieving the effect of adjusting the rotating speed of the beam 2.

As shown in fig. 7-10, the negative pressure structure 5 includes a negative pressure cylinder 51 movably inserted into the rotary beam 3, a vent channel 5101 is formed at the top of the negative pressure cylinder 51, end shafts 5102 rotatably connected to the rotary beam 3 are disposed at two ends of the negative pressure cylinder 51, the end shaft 5102 at one side penetrates through the rotary beam 3 and is mounted on the support 101, the support 101 is vertically disposed at two sides of the frame 1 and is used for supporting the rotary beam 3, a through hole communicated with the inside of the negative pressure cylinder 51 is formed in the end shaft 5102, and a hose 52 communicated with the negative pressure pump 53 is disposed at an opening of the through hole. The negative pressure pump 53 is fixedly mounted on the bracket 101, and the negative pressure cylinder 51 is in a negative pressure state by the negative pressure pump 53.

In one embodiment of the present invention, the rotating structure 4 includes an external-tooth slewing bearing 41 sleeved on one side end shaft 5102, a gear 42 engaged with an outer ring of the external-tooth slewing bearing 41, and a first motor 43 driving the gear 42;

the inner ring of the external-tooth slewing bearing 41 is fixedly connected with the end shaft 5102, the outer ring end face of the external-tooth slewing bearing 41 is fixedly connected with one side of the rotating beam 3, and the other side of the rotating beam 3 is rotatably arranged on the bracket 101. The first motor 43 drives the gear 42 to rotate, so that the outer ring of the external tooth slewing bearing 41 rotates, and simultaneously drives the rotating beam 3 to rotate at a constant speed outside the negative pressure cylinder 51.

In order to ensure that the rotating speed of the loom beam 2 keeps continuous and stepless speed regulation, the invention adopts the transmission ring 66 arranged between the concave roller shaft 62 and the convex roller shaft 63 for friction transmission, the proportion value of the concave roller shaft 62 and the convex roller shaft 63 is gradually increased along the axial direction of the loom beam, and the corresponding transmission ratio is also gradually increased. When the driving ring 66 moves toward the beam 2 while the rotation speed of the female roller 62 is constant, the rotation speed of the male roller 63 is gradually increased. So that the rotational speed of the beam 2 follows the radius of the warp package.

In the change process of the rotating speed of the loom beam 2, in order to ensure that the warp 201 has enough tension, the setting has the rotating beam 3 with negative pressure adsorption, the rotating beam 3 is of a hollow cylindrical structure, the surface of the rotating beam is provided with evenly distributed negative pressure holes 301, when the warp 201 passes through the top of the rotating beam 3, the warp can be adsorbed, thereby the rotating beam 3 is rotated, the constant let-off speed is kept, when the warp 201 is positioned at the middle part and the lower side of the rotating beam 3, the negative pressure adsorption force is lost, and the warp is convenient to transfer.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.