CN206173559U - Drive mechanism of center shed jacquard - Google Patents

Abstract

The utility model provides a drive mechanism of center shed jacquard, disk seat frame and girff that includes the frame subassembly, install drive mechanism on the frame subassembly, driven by drive mechanism, drive mechanism is including installing first, the 2nd drive mechanism in frame subassembly both sides respectively: among the drive mechanism, main shaft drive eccentric wheel, eccentric wheel pass through link assembly and drive a driving gear swing, a driving gear and a reversing gear meshing, in the secondary drive mechanism, no. Two driving gears and no. Two reversing gear intermeshing, thus and be connected the drive girff through swing arm and girff connecting rod with the girff separately and go up and down. The utility model discloses an improve the drive mechanism of loom, realize mechanism's less angle that operates, advance the sword picking, go out sword picking opening just to reach effective opening distance, increased substantially effective opening time and stroke, avoided the loom to be broken because of opening undersize warp when passing in and out the sword, improved the running efficiency of loom.

Description

A kind of drive mechanism of center shed jacquard

Technical field

This utility model is related to a kind of drive mechanism, in particular, is related to a kind of drive mechanism of center shed jacquard.

Background technology

At present, the shed jacquard of industrial textile technology field, such as Fig. 1,2,3,4 are connected one by main shaft 104 Number eccentric 105a, No. two eccentric 105b, No. one, No. two eccentrics connect a push piece bar 106a, No. two push piece bars respectively 106b, No. one, No. two push piece bars connect a Swing Arm 107a, No. two Swing Arm 107b respectively, by No. one, No. two Swing Arms Reciprocally swinging drives respectively an arm shaft 108a, No. two arm shaft 108b reciprocating rotations, No. one, No. two arm shaft reciprocating rotations Swing arm 113a, a No. two swing arm 113b reciprocally swingings are driven respectively, then by a girff connecting rod 114a, No. two girff connecting rods 114b drives the raising and lowering of girff 115, No. one, No. two arm shaft reciprocating rotations also drive respectively No. three swing arm 113c, four Number swing arm 113d, then drive the raising and lowering of valve seat frame 117 by No. three girff connecting rod 114c, No. four girff connecting rod 114d. Have the disadvantage to need mechanism to operate larger angle, enter sword, go out sword picking opening and can be only achieved requirements, cause the effective vent time Short, traverse distance is big, and loom too small openings warp when sword is passed in and out is pulled off, and the running efficiency of loom is low.

Utility model content

This utility model is to solve the problems referred to above that prior art is present, and when high loom running efficiency, turnover sword are provided Warp is difficult to be pulled off, mechanism's operating smaller angle, enters sword, goes out sword picking opening and can just reach a kind of split shed of requirements The drive mechanism of jacquard.

For achieving the above object, the technical solution adopted in the utility model is：

A kind of drive mechanism of center shed jacquard, including housing assembly, the drive mechanism on housing assembly, by Valve seat frame and girff that drive mechanism drives, it is characterised in that：The drive mechanism includes being separately mounted to housing assembly two First, second drive mechanism of side；

In first drive mechanism, main shaft drives eccentric, eccentric drives a driving gear to swing by link assembly, A number driving gear is engaged with a tumbler gear；

In second drive mechanism, No. two driving gears and the intermeshing of No. two tumbler gears, and each via swing arm and Girff connecting rod is connected so as to drive girff to lift with girff；

No. one, No. two driving gears be connected by an arm shaft, No. one, No. two tumbler gears pass through No. two swing arms Axle is connected, No. one, No. two arm shafts be connected with valve seat frame each via swing arm and girff connecting rod, so as to drive valve seat frame Lifting.

As a kind of improvement, in the first drive mechanism, push-pull bar that link assembly includes being hinged successively, two connecting rods, No. three Connecting rod, rocking lever, two connecting rod includes a connecting rod and No. two connecting rods, and one end of push-pull bar is hinged on eccentric, another End is hinged with one end of a connecting rod, and the other end of a connecting rod is fixed on two pitman shafts, and two pitman shafts are rotatably mounted On the bearing plate of housing assembly, one end of also fixed No. two connecting rods, the other end of No. two connecting rods and three on two pitman shafts One end of number connecting rod is hinged, and the other end of No. three connecting rods is hinged with one end of rocking lever, and the other end of rocking lever is fixed on No. one On the arm shaft of driving gear.

Used as a kind of improvement, in second drive mechanism, a swing arm of No. two driving gears is fixed on a swing arm On axle, No. two swing arms of No. two tumbler gears are fixed on No. two arm shafts, and a swing arm is respectively facing knife with No. two swing arms The two ends of case；No. three swing arms of a number arm shaft are respectively facing the two ends of valve seat frame with No. four swing arms of No. two arm shafts.

Used as a kind of improvement, the housing assembly includes frame, the bearing plate being fixed in frame and is vertically fixed on Side sheet and side lining in frame, the side sheet and side lining are symmetrical arranged and equal size.

As a kind of improvement, a driving gear and tumbler gear it is equivalently-sized, No. two driving gears and No. two tumbler gears are equivalently-sized.

As a kind of improvement, equidistant same size is provided with the girff and is griffed.

The beneficial effects of the utility model are：（1）Mechanism runs to smaller angle after improvement, enters sword picking, goes out sword picking Opening can just reach effective vent distance；（2）Effective vent time and traverse are greatly improved after improvement；（3）Avoid Loom, because too small openings warp is pulled off, improves the running efficiency of loom when sword is passed in and out.

Description of the drawings

Fig. 1 is one of outboard structure motion state diagram of prior art.

Fig. 2 is the two of the outboard structure motion state diagram of prior art.

Fig. 3 is the rising of interior side tool box, the valve seat frame structure drop schematic diagram of prior art.

Fig. 4 is the decline of interior side tool box, the valve seat frame lift structure schematic diagram of prior art.

Fig. 5 is one of outboard structure motion state diagram of the present utility model.

Fig. 6 is the two of outboard structure motion state diagram of the present utility model.

Fig. 7 is interior side tool box rising of the present utility model, valve seat frame structure drop schematic diagram.

Fig. 8 is interior side tool box decline of the present utility model, valve seat frame lift structure schematic diagram.

Specific embodiment

Below in conjunction with Figure of description, the utility model is described in further detail, but this utility model be not limited to Lower embodiment.

As shown in Fig. 5,6,7 and 8, this utility model provides a kind of drive mechanism of center shed jacquard, is matched somebody with somebody by main shaft 4 Conjunction is provided with eccentric 5, and the rotational band movable eccentric wheel 5 of main shaft 4 is rotated, and the radian from circle center deviation is arranged at the bottom of eccentric 5, is hinged Push-pull bar 6 on the radian of eccentric 5 can make push-pull bar 6 make past along radian slowly closer or far from the bottom centre of eccentric 5 Multiple to pull, push-pull bar 6 is connected with two connecting rods 10 away from eccentric one end, and the one end of two connecting rod 10 is hinged with two pitman shafts 11, passes through Push-pull bar 6 drives two connecting rods 10 around the reciprocally swinging of two pitman shaft 11, and the other end of two connecting rod 10 is hinged with connecting rod 9, connecting rod 9 other End is hinged with rocking lever 7, and by connecting rod 9 reciprocally swinging of Swing Arm 7 is driven, and an arm shaft 8a is provided with rocking lever 7, waves The swing of arm 7 drives an arm shaft 8a reciprocating rotation, an arm shaft 8a to be located in the wallboard 3 being vertically fixed in frame On, wallboard 3 includes being symmetrical arranged and the side sheet 3a and side lining 3b of size on an equal basis, and an arm shaft 8a is in side sheet The lateral ends of 3a are provided with a driving gear 12a, and a driving gear 12a lower ends engagement is provided with No. two tumbler gears 12b, by arm shaft 8a reciprocating rotation a driving gear 12a and No. two tumbler gear 12b reciprocating rotations are driven, No. one Arm shaft 8a is provided with No. two driving gear 12c in the lateral ends of side lining 3b, by an arm shaft 8a reciprocating rotation No. two driving gear 12c reciprocating rotations, No. two driving gear 12c are driven to be connected with a swing arm 13a, a swing arm 13a coordinates A girff connecting rod 14a is hinged with, No. two driving gear 12c reciprocating rotations drive a swing arm 13a reciprocally swinging, a swing arm 13a reciprocally swingings drive a girff connecting rod 14a to pull girff 15, No. two driving gear 12c lower ends engagements to be provided with two up and down Number tumbler gear 12d, No. two driving gear 12c reciprocating rotations drive No. two tumbler gear 12d reciprocating rotations, No. two tumbler gears 12d is connected with No. two swing arm 13b, and No. two tumbler gear 12d reciprocating rotations drive No. two swing arm 13b reciprocally swingings, No. two swing arms 13b reciprocally swingings drive No. two girff connecting rod 14b to pull girff 15 up and down, are provided with girff 15 apart from identical and specification phase Same griffes 16, griffes 16 as girff 15 rises, declines, and an arm shaft is passed through between side sheet 3a and side lining 3b 8a is equipped with No. three swing arm 13c, and an arm shaft 8a reciprocating rotation drives No. three swing arm 13c reciprocally swingings, No. three swing arms 13c is hinged with No. four girff connecting rod 14d, and No. three swing arm 13c reciprocally swingings drive No. four girff connecting rod 14d to pull valve seat frame up and down 17, No. two arm shaft 8b are provided with No. four swing arm 13d between side sheet 3a and side lining 3b, No. two arm shaft 8b are past Multiple rotation drives No. four swing arm 13d reciprocally swingings, No. four swing arm 13d to be hinged and have No. three girff connecting rod 14c, No. four swing arm 13d Reciprocally swinging drives No. three girff connecting rod 14c to pull valve seat frame 17 up and down.

Finally it should be noted that this utility model is not limited to above example, there can also be many variations.This area The those of ordinary skill's all deformations that can directly derive from this utility model disclosure or associate, be considered as Protection domain of the present utility model.

Claims (6)

1. a kind of drive mechanism of center shed jacquard, including housing assembly, the drive mechanism on housing assembly, by passing The valve seat frame that motivation structure drives（17）And girff（14）, it is characterised in that：The drive mechanism includes being separately mounted to frame First, second drive mechanism of component both sides；

In first drive mechanism, main shaft（4）Drive eccentric（5）, eccentric（5）A number driving gear is driven by link assembly （12a）Swing, a driving gear（12a）With a tumbler gear（12b）Engagement；

In second drive mechanism, No. two driving gears（12c）With No. two tumbler gears（12d）Intermeshing, and each via pendulum Arm and girff connecting rod（14a, 14b）With girff（15）Connect so as to drive girff（15）Lifting；

No. one, No. two driving gears pass through an arm shaft（8a）Be connected, No. one, No. two tumbler gears pass through No. two swing arms Axle（8b）It is connected, No. one, No. two arm shafts are each via swing arm and girff connecting rod（14c, 14d）With valve seat frame（17）Even Connect, so as to drive valve seat frame（17）Lifting.

2. the drive mechanism of a kind of center shed jacquard according to claim 1, it is characterised in that：First driver In structure, link assembly includes the push-pull bar being hinged successively（6）, two connecting rods（10）, No. three connecting rods（9）, rocking lever（7）, described two Connecting rod（10）Including a connecting rod（10.1）With No. two connecting rods（10.2）, the push-pull bar（6）One end be hinged on eccentric（5） On, the other end and a connecting rod（10.2）One end be hinged, a connecting rod（10.2）The other end be fixed on two pitman shafts（11） On, two pitman shafts（11）It is installed in rotation on the bearing plate of housing assembly（2）On, on two pitman shafts（11）Also fixed two Number connecting rod（10.1）One end, No. two connecting rods（10.1）The other end and No. three connecting rods（9）One end be hinged, No. three connecting rods（9） The other end and rocking lever（7）One end be hinged, rocking lever（7）The other end be fixed on a driving gear（12a）Swing arm Axle（8a）On.

3. the drive mechanism of a kind of center shed jacquard according to claim 1 and 2, it is characterised in that：Described second passes In motivation structure, No. two driving gears（12c）A swing arm（13a）It is fixed on an arm shaft（8a）On, No. two tumbler gears （12d）No. two swing arms（13b）It is fixed on No. two arm shafts（8b）On, and a swing arm（13a）With No. two swing arms（13b）Respectively Towards girff（15）Two ends；A number arm shaft（8a）No. three swing arms（13c）With No. two arm shafts（8b）No. four swing arms （13d）It is respectively facing valve seat frame（17）Two ends.

4. the drive mechanism of a kind of center shed jacquard according to claim 1 and 2, it is characterised in that：The frame group Part includes frame（1）, the bearing plate being fixed in frame（2）And the side sheet being vertically fixed in frame（3a）And inner side Wallboard（3b）, the side sheet（3a）And side lining（3b）It is symmetrical arranged and equal size.

5. a kind of drive mechanism of center shed jacquard according to claim 1 a, it is characterised in that driving tooth Wheel（12a）With a tumbler gear（12b）Equivalently-sized, No. two driving gears（12c）With No. two tumbler gears（12d）Size It is identical.

6. the drive mechanism of a kind of center shed jacquard according to claim 1, it is characterised in that：The girff（15）On It is provided with equidistant same size to griffe（16）.