CN210886428U

CN210886428U - Loom let-off device for producing cigarette cloth belt

Info

Publication number: CN210886428U
Application number: CN201921849131.1U
Authority: CN
Inventors: 孟赛
Original assignee: Hebei Huanxing Cigarette Machine Parts Co ltd
Current assignee: Hebei Huanxing Cigarette Machine Parts Co ltd
Priority date: 2019-10-31
Filing date: 2019-10-31
Publication date: 2020-06-30
Anticipated expiration: 2029-10-31

Abstract

The utility model discloses a warp let-off device of a loom for producing cigarette cloth belts, which comprises a pair of warp let-off wallboards, a warp let-off shaft arranged between the pair of warp let-off wallboards and a warp let-off tension adjusting structure; the let-off tension adjusting structure comprises a let-off back beam, a sliding rod and a driving mechanism, a group of arc-shaped slideways and a group of horizontal slideways are symmetrically arranged on the let-off wallboard, two ends of the let-off back beam are slidably arranged in the arc-shaped slideways, two ends of the sliding rod are slidably arranged in the horizontal slideways, two ends of the let-off shaft and two ends of the let-off back beam are respectively connected through a first connecting rod, the let-off back beam is respectively connected with two ends of the sliding rod through a second connecting rod, and the driving mechanism pushes the sliding rod to slide along the horizontal slideways; the utility model discloses a let-off tension adjusts the structure, and the wrap angle that the back beam formed of let-off is walked around to the adjustment warp, makes the warp keep suitable tension, and the adjustment is nimble, and simple structure makes conveniently, and warp tension is stable, has guaranteed the cloth cover quality of high-quality.

Description

Loom let-off device for producing cigarette cloth belt

Technical Field

The utility model relates to a weaving equipment technical field especially relates to a loom let-off motion of production cigarette strap.

Background

At present, the structure of a loom mainly comprises a shedding mechanism, a weft insertion mechanism, a beating-up mechanism, a let-off mechanism, a winding mechanism, other auxiliary mechanisms and the like, and the main working principle is as follows: the shedding mechanism drives the heald frame to move up and down to enable warp yarns to form a shed, the weft insertion mechanism brings the weft yarns into the shed, the beating-up mechanism drives the reed to beat the weft yarns entering the shed into a cloth fell to weave cloth, the warp tension of the let-off mechanism is mainly formed and adjusted by a tension back beam roller, the warp yarns are sent out by a weaving shaft and directly pass through the back beam roller to form a wrap angle, the conventional let-off tension control device is complex in structure and difficult to control, the warp tension fluctuation is large, the warp tension is inconsistent, the warp tension reflects that the warp yarns are tight or loose, the warp yarns can be broken or loose when the product is pressurized by dipping, and the reason is that the cloth or defective cloth is generated.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a loom let-off device of production cigarette strap to the not enough of above-mentioned prior art.

In order to solve the above problems, the utility model adopts the following technical proposal:

a loom let-off device for producing cigarette cloth belts comprises a pair of let-off wallboards, a let-off shaft and a let-off tension adjusting structure, wherein the let-off shaft and the let-off tension adjusting structure are arranged between the pair of let-off wallboards; the let-off tension adjusting structure comprises a let-off back beam, a sliding rod and a driving mechanism, a group of arc-shaped slideways and a group of horizontal slideways are symmetrically arranged on the let-off wallboard, first sliding shafts are respectively arranged at two ends of the let-off back beam, one end of each first sliding shaft is rotatably connected with the let-off back beam, the other end of each first sliding shaft is slidably arranged in the arc-shaped slideways, second sliding shafts are respectively arranged at two ends of each sliding rod, one end of each second sliding shaft is connected with the corresponding sliding rod, the other end of each second sliding shaft is slidably arranged in the corresponding horizontal slideway, two ends of the let-off shaft and the let-off back beam are respectively connected through a first connecting rod, one end of each first connecting rod is rotatably connected with the end part of the let-off shaft, the other end of each first connecting rod is rotatably connected with the corresponding first sliding shaft at the end part of the let-off back beam, and two ends of the corresponding sliding rods are respectively connected through, one end of the second connecting rod is rotatably connected with the first sliding shaft at the end part of the warp feeding back beam, the other end of the second connecting rod is rotatably connected with the second sliding shaft at the end part of the sliding rod, and the driving mechanism pushes the sliding rod to slide along the horizontal slide way.

Further, actuating mechanism includes screw rod and fixed plate, the fixed plate vertical set up in between the let-off wallboard, the both ends of fixed plate with respectively in two the let-off wallboard is connected, and is located the rear end of horizontal slideway, the screw has been seted up on the fixed plate, the one end of screw rod with the slide bar rotates to be connected, the other end of screw rod pass the screw with fixed plate threaded connection.

Furthermore, a rotating handle is arranged at the other end of the screw rod after the other end of the screw rod penetrates through a screw hole in the fixing plate.

Furthermore, a speed reducing motor is arranged at the other end of the screw after penetrating through a screw hole in the fixing plate, and the power output end of the speed reducing motor is in transmission connection with the screw.

Furthermore, the driving mechanism is an electric push rod, and the piston end of the electric push rod is connected with the sliding rod.

Furthermore, the two ends of the warp feeding shaft are provided with fixed shafts, and one end of the first connecting rod is rotatably connected with the fixed shafts.

Adopt the produced beneficial effect of above-mentioned technical scheme to lie in:

the utility model discloses set up let-off tension at let-off shaft's rear and adjusted the structure, when promoting the slide bar through actuating mechanism and sliding around the horizontal slide, under the effect of first connecting rod and second connecting rod, let-off back beam slides from top to bottom along the arc slide, the wrap angle that let-off back beam formed is walked around to the adjustment warp, make the warp wrap angle change thereupon, make the warp keep suitable tension, the influence of weaving in-process let-off shaft diameter variation to let-off back beam and warp wrap angle has been reduced, let-off tension adjusts the structure adjustment nimble, moreover, the steam generator is simple in structure, and is convenient to manufacture, warp tension is stable, the cloth cover quality of high quality has been guaranteed.

Drawings

Fig. 1 is a perspective view of a first embodiment of the present invention;

FIG. 2 is a top view of a second embodiment of the present invention;

fig. 3 is a plan view of a third embodiment of the present invention.

In the figure: 1. let-off wall plate; 2. a warp feeding shaft; 3. let-off back rest; 4. a slide bar; 5. an arc-shaped slideway; 6. a horizontal slideway; 7. a first slide shaft; 8. a second slide shaft; 9. a first link; 10. a second link; 11. a screw; 12. a fixing plate; 13. rotating the handle; 14. a reduction motor; 15. an electric push rod; 16. and fixing the shaft.

Detailed Description

The following describes embodiments of the present invention in further detail with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

As shown in fig. 1, the warp feeding device of the loom for producing cigarette cloth tapes of the present invention comprises a pair of symmetrically arranged warp feeding wallboards 1, and a warp feeding shaft 2 and a warp feeding tension adjusting structure arranged between the pair of warp feeding wallboards 1, wherein two ends of the warp feeding shaft 2 are rotatably connected with the warp feeding wallboards 1 through bearings; the let-off tension adjusting structure comprises a let-off back beam 3, a slide bar 4 and a driving mechanism, wherein a group of arc-shaped slideways 5 are symmetrically arranged on the upper part of a let-off wallboard 1, a group of horizontal slideways 6 are symmetrically arranged in the middle of the let-off wallboard 1, first slide shafts 7 are respectively arranged at two ends of the let-off back beam 3, one end of each first slide shaft 7 is rotatably connected with the end part of the let-off back beam 3 through a bearing, the other end of each first slide shaft 7 is slidably arranged in the arc-shaped slideways 5, second slide shafts 8 are respectively arranged at two ends of the slide bar 4, one end of each second slide shaft 8 is connected with the slide bar 4, the other end of each second slide shaft 8 is slidably arranged in the corresponding horizontal slideway 6, two ends of the let-off shaft 2 and the let-off back beam 3 are respectively connected through first connecting rods 9, two ends of the let-off shaft 2 are provided with fixed shafts 16, one end of each first, the other end of the first connecting rod 9 is rotatably connected with a first sliding shaft 7 at the end part of the warp feeding back beam 3, the warp feeding back beam 3 is connected with two ends of the sliding rod 4 through second connecting rods 10 respectively, one end of each second connecting rod 10 is rotatably connected with the first sliding shaft 7 at the end part of the warp feeding back beam 3, the other end of each second connecting rod 10 is rotatably connected with a second sliding shaft 8 at the end part of the sliding rod 4, and the driving mechanism pushes the sliding rod 4 to slide along the horizontal sliding way 6. When the driving mechanism pushes the sliding rod 4 to slide back and forth along the horizontal slideway 6, the let-off back beam 3 slides up and down along the arc slideway 5 under the action of the first connecting rod 9 and the second connecting rod 10, and the wrap angle formed by warp yarns bypassing the let-off back beam 3 is adjusted, so that the wrap angle of the warp yarns is changed along with the wrap angle, and the warp yarns keep proper tension.

Further, the driving mechanism comprises a screw rod 11 and a fixing plate 12, the fixing plate 12 is vertically arranged between the let-off wall plates 1, two ends of the fixing plate 12 are respectively connected with the two let-off wall plates 1 and are located at the rear end of the horizontal slideway 6, a screw hole is formed in the fixing plate 12, one end of the screw rod 11 is rotatably connected with the slide rod 4, and the other end of the screw rod 11 penetrates through the screw hole to be in threaded connection with the fixing plate 12; the other end of the screw rod 11 is provided with a rotating handle 13 after passing through the screw hole on the fixing plate 12. By rotating the rotating handle 13, the warp let-off back beam 3 moves correspondingly along with the unwinding of the warp on the warp let-off shaft 2, so that the wrap angle of the warp is changed, and the purpose of keeping the warp at proper tension is achieved.

Furthermore, as shown in fig. 2, it is a second embodiment of the present invention, and is different from the above embodiments in that a speed reduction motor 14 is disposed after the other end of the screw rod 11 passes through the screw hole on the fixing plate 12, and a power output end of the speed reduction motor 14 is in transmission connection with the screw rod 11. The warp let-off back beam 3 moves correspondingly along with the unwinding of the warp on the warp delivery shaft 2 by setting the output rotating speed of the speed reducing motor 14, so that the wrap angle of the warp is changed, and the purpose of keeping the warp at proper tension is further achieved.

Further, as shown in fig. 3, it is a third embodiment of the present invention, the driving mechanism is an electric push rod 15, and a piston end of the electric push rod 15 is connected to the sliding rod 4. By setting the pushing speed of the electric push rod, the warp let-off back beam 3 moves correspondingly along with the unwinding of the warp on the warp delivery shaft 2, so that the wrap angle of the warp is changed, and the purpose of keeping the warp at proper tension is achieved.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the embodiments of the present invention.

Claims

1. A loom let-off device for producing cigarette cloth belts is characterized by comprising a pair of let-off wallboards (1), a let-off shaft (2) and a let-off tension adjusting structure, wherein the let-off shaft (2) is arranged between the pair of let-off wallboards (1), and two ends of the let-off shaft (2) are rotatably connected with the let-off wallboards (1); the let-off tension adjusting structure comprises a let-off back beam (3), a sliding rod (4) and a driving mechanism, wherein a group of arc-shaped slideways (5) and a group of horizontal slideways (6) are symmetrically arranged on the let-off wall plate (1), first sliding shafts (7) are respectively arranged at two ends of the let-off back beam (3), one end of each first sliding shaft (7) is rotatably connected with the let-off back beam (3), the other end of each first sliding shaft (7) is slidably arranged in the arc-shaped slideways (5), second sliding shafts (8) are respectively arranged at two ends of each sliding rod (4), one end of each second sliding shaft (8) is connected with the corresponding sliding rod (4), the other end of each second sliding shaft (8) is slidably arranged in the corresponding horizontal slideway (6), two ends of the let-off beam (2) and the let-off back beam (3) are respectively connected through a first connecting rod (9), and one end of each first connecting rod (9) is rotatably connected with the end of the corresponding let-off shaft (2), the other end of the first connecting rod (9) is rotatably connected with a first sliding shaft (7) at the end part of the warp feeding back beam (3), the warp feeding back beam (3) is connected with the two ends of the sliding rod (4) through second connecting rods (10) respectively, one end of each second connecting rod (10) is rotatably connected with the first sliding shaft (7) at the end part of the warp feeding back beam (3), the other end of each second connecting rod (10) is rotatably connected with a second sliding shaft (8) at the end part of the sliding rod (4), and the driving mechanism pushes the sliding rod (4) to slide along the horizontal slide way (6).

2. The loom let-off device for producing cigarette cloth tapes according to claim 1, characterized in that the driving mechanism comprises a screw rod (11) and a fixing plate (12), the fixing plate (12) is vertically arranged between the let-off wall plates (1), two ends of the fixing plate (12) are respectively connected with the two let-off wall plates (1) and are positioned at the rear end of the horizontal slide way (6), a screw hole is formed in the fixing plate (12), one end of the screw rod (11) is rotatably connected with the slide rod (4), and the other end of the screw rod (11) passes through the screw hole and is in threaded connection with the fixing plate (12).

3. The warp let-off device of a weaving machine for producing cigarette cloth tapes as claimed in claim 2, wherein the other end of the screw rod (11) is provided with a rotating handle (13) after passing through a screw hole on the fixing plate (12).

4. The warp let-off device of a weaving machine for producing cigarette cloth belts according to claim 2, characterized in that a speed reduction motor (14) is arranged at the other end of the screw rod (11) after passing through a screw hole on the fixing plate (12), and a power output end of the speed reduction motor (14) is in transmission connection with the screw rod (11).

5. The let-off device of a weaving machine for producing cigarette cloth tapes as claimed in claim 1, characterized in that the driving mechanism is an electric push rod (15), and the piston end of the electric push rod (15) is connected with the slide rod (4).

6. The warp feeding device of a weaving machine for producing cigarette cloth belts according to claim 1, characterized in that both ends of the warp feeding shaft (2) are provided with a fixed shaft (16), and one end of the first connecting rod (9) is rotatably connected with the fixed shaft (16).