CN201321519Y

CN201321519Y - Shedding mechanism of spatial linkage for weaving machine

Info

Publication number: CN201321519Y
Application number: CNU2008201703502U
Authority: CN
Inventors: 周香琴; 万祖干; 邵文湘
Original assignee: Zhejiang Wanli Textile Machinery Co Ltd
Current assignee: Zhejiang Wanli Textile Machinery Co Ltd
Priority date: 2008-12-18
Filing date: 2008-12-18
Publication date: 2009-10-07
Anticipated expiration: 2018-12-18

Abstract

The utility model relates to a shedding mechanism of a spatial linkage for a weaving machine, which substantially comprises a small belt wheel which is fixedly connected on a main shaft, wherein the small belt wheel is connected with a big belt wheel which is fixed on a crankshaft through a synchronous belt, the crankshaft is arranged on a frame through a bearing, one end of the spatial linkage is connected with the crankshaft through the bearing, the other end is connected with a swing arm through the bearing, and the included angle of axis lines of the bearings on the two ends of the spatial linkage is 90 degrees. The swing arm is connected with a swing shaft on the frame through the bearing, the swing shaft is connected with a trace frame through a linkage mechanism, the spatial linkage and the crankshaft can correspondingly rotate around the axis line of a center bearing, and the spatial linkage and the swing arm also can correspondingly move respectively through the axis line of a middle tapered roller bearing. The swing arm rotates around the axis line of the swing shaft, and the axis lines of the middle bearing, the tapered roller bearing, the crankshaft and the swing shaft are crossed on a point. The shedding mechanism of the spatial linkage for the weaving machine has the characteristics of simple and compact structure, convenient use, excellent reliability, and saving cost and the like.

Description

The shedding mechanism of spacing link lever used for loom

Technical field

The utility model relates to a kind of be exclusively used in loom, to realize the shedding mechanism of loom harness motion, belong to technical field of textile machine.

Background technology

In the prior art, the composition of the shedding mechanism that loom is used sees shown in the accompanying drawing 1, and it mainly includes a driving pulley 102 that is connected with main shaft 101, and main shaft 101 links to each other with frame by bearing.One passive belt wheel 104 and bevel pinion 105 are separately fixed at the two ends of small coning gear shaft 106, and small coning gear shaft 106 links to each other with frame by bearing.Bevel gear wheel 107 and cam are separately fixed at the two ends of large bevel gear shaft 18, large bevel gear shaft 18 links to each other with frame by bearing, last roller 110 links to each other with swing arm 112 by bearing with lower roller 111, and can make single-degree-of-freedom with swing arm 112 and rotate relative to dead axle, swing arm 112 links to each other with frame by bearing.

Main shaft 101 drives driving pulley 102 around O ₁₁Axial line is done complete cycle running, drives passive belt wheel 104 around O by being with 103 synchronously ₁₂' axial line is done the complete cycle running, drives bevel pinion simultaneously around O ₁₂' axial line is done the complete cycle running, drives bevel gear wheel around O by gear meshing ₁₃' axial line is done the complete cycle running, and realizes the change of the direction of motion and the function that speed reduces half.Bevel gear wheel 107 drives cam 109 around O by large bevel gear shaft ₁₃Axial line is done the complete cycle running, and cam 109 is a constant diameter cam, drives swing arm 112 around O by last roller 110 and lower roller 111 ₁₄Axial line is done and is swung back and forth, and realizes that the complete cycle motion is converted to the function of swing.Swing arm 112 drives heald frame by connecting rod and moves up and down, and realizes the harness motion of loom.The loom shedding mechanism that said structure is formed exists the structure relative complex, the high deficiency of cost.

Summary of the invention

The purpose of this utility model is to overcome the deficiency of above-mentioned existence, and provides a kind of simple in structure, and is easy to use, good reliability, the shedding mechanism of the spacing link lever used for loom that cost is low.

The purpose of this utility model is finished by following technical solution, it mainly includes a small pulley that is connected on the main shaft, this small pulley links to each other with big belt wheel on being fixed on a bent axle by synchronous band, bent axle is placed on the frame by bearing, one space connecting-rod, one end links to each other with described bent axle by bearing, the other end links to each other with a swing arm by bearing, and the axial line angle of space connecting-rod bearings at both ends is 90 degree; Described swing arm links to each other with the swinging axle that is placed on the frame by bearing, and swinging axle links to each other with heald frame by linkage.

Described space connecting-rod and bent axle all can be done around the axial line of intermediate bearing and relatively rotate; Described space connecting-rod and swing arm also can be respectively axial line by the taper roll bearing of centre do relative motion.

Described swing arm is rotated around the axial line of swinging axle, and the axial line of above-mentioned intermediate bearing, the axial line of taper roll bearing, the axial line of bent axle and the axial line four axistyle of swinging axle intersect at a point.

The utility model belongs to a kind of improvement to prior art, the change of its same realization direction of motion, the change of movement velocity and complete cycle motion are converted to these three functions of swing, gear drive link that prior art is many, the utility model has saved this link, be converted to two functions of swing and all realize changing the motion of the direction of motion and complete cycle, simplify the structure, make compact conformation by spatial linkage, good reliability has been saved cost.

Description of drawings

Fig. 1 is the prior art constructions schematic diagram.

Fig. 2 is a structural representation of the present utility model.

The specific embodiment

Below in conjunction with accompanying drawing the utility model is done detailed introduction: shown in Figure 2, the utility model mainly includes a small pulley 202 that is fixed on the main shaft 201, main shaft 201 links to each other with frame by bearing, big belt wheel 204 is fixed on the bent axle 205, bent axle 205 links to each other with frame by bearing, space connecting-rod 206 1 ends link to each other with bent axle 205 by bearing, and both can be around the axial line O of intermediate bearing ₂₃Do relatively rotating, the other end of space connecting-rod 206 links to each other with swing arm 207 by taper roll bearing, and both can be around the axial line O of the taper roll bearing of centre ₂₄Do relatively rotating, the axial line O of two bearings on the space connecting-rod 106 ₂₃, O ₂₄Angle α be 90 °.Swing arm 107 is connected with swinging axle 108, and swinging axle 108 links to each other with frame by bearing.

Main shaft 101 drives small pulley 202 around O ₂₁Axial line is done the complete cycle running, by driving the axial line O of big belt wheel 204 around bent axle with 203 synchronously ₂₂Do complete cycle running, and realization speed reduces the function of half, big belt wheel 204 drives bent axles 205 and does the complete cycle running, drives the axial line O of swing arms 207 around swinging axle by space connecting-rod 206 ₂₅Swing, space connecting-rod 206 is around O ₂₂, O ₂₃, O ₂₄, O ₂₅Four intersection points are done spatial movement.Realize the change and the function of complete cycle conversion of motion of the direction of motion simultaneously for swinging.Swinging axle 208 drives heald frame by linkage and moves up and down, and realizes the harness motion of loom.

Claims

1, a kind of shedding mechanism of spacing link lever used for loom, it mainly includes a small pulley that is connected on the main shaft, this small pulley links to each other with big belt wheel on being fixed on a bent axle by synchronous band, it is characterized in that described bent axle (205) is placed on the frame by bearing, one space connecting-rod (206) one ends link to each other with described bent axle (205) by bearing, the other end links to each other with a swing arm (207) by bearing, and the axial line angle of space connecting-rod (206) bearings at both ends is 90 degree; Described swing arm (207) links to each other with the swinging axle (208) that is placed in by bearing on the frame, and swinging axle (208) links to each other with heald frame by linkage.

2, shedding mechanism of spacing link lever used for loom according to claim 1 is characterized in that described space connecting-rod (206) and bent axle (205) all can be around the axial line O of intermediate bearing ₂₃Do and relatively rotate; The axial line O of middle taper roll bearing is also passed through in described space connecting-rod (206) and swing arm (207) respectively ₂₄Do relative motion.

3, shedding mechanism of spacing link lever used for loom according to claim 1 and 2 is characterized in that the axial line O of described swing arm (207) around swinging axle ₂₅Rotate, and the axial line O of above-mentioned intermediate bearing ₂₃, taper roll bearing axial line O ₂₄, bent axle axial line O ₂₂Axial line four axistyle O with swinging axle ₂₅Intersect at a point.