CN1774531B

CN1774531B - Drive for heald frames of a loom

Info

Publication number: CN1774531B
Application number: CN200480010179.3A
Authority: CN
Inventors: D·萨佩斯
Original assignee: Picanol NV
Current assignee: Picanol NV
Priority date: 2003-04-17
Filing date: 2004-04-07
Publication date: 2011-06-08
Anticipated expiration: 2024-04-07
Also published as: CN1774531A; DE10318811A1; WO2004092466A1

Abstract

The invention relates to a drive for heald frames (10) of a loom, comprising a drive shaft (13) which drives drive elements (14), a lever system (15) which is connected to the heald frames (10), and connecting rods (28, 29) which are arranged between the drive elements (14) and the lever system (15). At least two connecting rods (28, 29) are arranged successively and are coupled to a lever (31) which can pivot around a pivoting axis (32).

Description

The transmission device of harness frame in aweaving machine

Technical field

The present invention relates to a kind of transmission device that is used for harness frame in aweaving machine, have a driving shaft that drives driving element, to rotatablely move and change linear movement into, have one linear movement is delivered to lever system on the heald frame as elevating movement, also have the connecting rod between driving element and the lever system.

Background technology

This transmission device that comprises dobbies, dobby machine, cam drive, eccentric wheel transmission or bent axle transmission constitutes like this, makes from the linear movement of driving shaft output to be delivered to determine on the fixing heald frame of mode with certain amount and with certain stroke.

Summary of the invention

The objective of the invention is to, a kind of transmission device that starts described type is provided, make the motion of driving element and the relation between the heald frame particularly stroke also can obtain changing.

This purpose is achieved by a kind of transmission device of harness frame in aweaving machine.This transmission device has a driving shaft that drives driving element, will rotatablely move and change linear movement into, has one linear movement is delivered to lever system on the heald frame as elevating movement, also has the connecting rod that is between driving element and the lever system.According to the present invention, described driving element comprises rocking bar, this rocking bar carries out a kind of oscillating motion of regulation by drive shaft, and being connected to described lever system by vertical adjustable connector and two connecting rods in succession along rocking bar, described connecting rod is hinged on the lever that unsteadily is arranged on the axle.

By the position of selecting the lever steering spindle and/or the length of passing through to select the length of lever and therefore also having the connecting rod parts, the stroke of integrated box movement can change with respect to the stroke that driving element moves and be complementary with the loom condition.

In order to determine that the transmission device of the heald frame of movement travel between driving element and the heald frame is transformed into a kind of transmission device that the integrated box movement stroke can be changed with respect to the driving element movement travel with being used for, has the supporting structure that is used for driving shaft, driving element, connecting rod and lever system, it preferably includes removable middleware, the inside be provided with connecting rod the steering spindle of hinged lever.Can not transform according to client's specific (special) requirements (yet can install when needing) afterwards there being the serial loom that changes the design of movement travel possibility thus, make movement travel obtain changing.

Description of drawings

Other features and advantages of the present invention come from following explanation and preferred embodiment to the accompanying drawing illustrated embodiment.Wherein:

Fig. 1 illustrates the transmission device profile that is used for harness frame in aweaving machine according to the present invention, has connecting rod and fixed supported lever separately;

Fig. 2 illustrates the profile that is similar to Fig. 1 embodiment, has the lever that can adjust supporting;

Fig. 3 illustrates the profile of similar Fig. 1, but has the lever that motor is adjusted;

Fig. 4 illustrates the profile of similar Fig. 1, and having can be by the lever of driving element adjustment;

Fig. 5 illustrates a kind of profile of embodiment, and having equally can be by means of the lever of driving element adjustment;

Fig. 6 illustrates a kind of embodiment, has a triangle lever and independent hinged connecting rod parts;

Fig. 7 illustrates the embodiment that is similar to Fig. 6, has the connecting rod that is arranged on below the driving shaft.

The specific embodiment

Transmission device shown in Fig. 1 is used for the elevating movement of harness frame in aweaving machine 10, and these heald frames are arranged on the traffic direction of warp thread in succession.Two side members 11,12 only are shown in this loom.This transmission device comprises a driving shaft 13, and it for example is bent axle or eccentric shaft and drives driving element 14 that the latter is changed rotatablely moving of driving shaft 13 into linear movement.These linear movements are delivered on the heald frame 10 by means of lever system 15 as elevating movement.Driving element by one with can form around the drive link 16 that fixed axis 17 rotating rocking bars 18 are connected.

Lever system 15 comprise one can be around fixed axis 20 rotating both arms elbow poles 19.Elbow pole 19 can be connected around fixed axis 23 rotating elbow poles 22 with another by bar 21.Be connected with driven rod 24 on the post of

elbow pole

19,22 cross direction profiles, driven rod acts on the Connection Element 25 of guiding on linear guides 26.Connection Element 25 has hook-like ends, and the inside embeds the connector of heald frame 10.Heald frame 10 guides on guide rail in the mode that is not shown specifically.Additional elbow pole, driven rod and Connection Element can be set when needing.Also can use the driven rod and the connecting rod of other patterns, for example disclosed like that by EP 742 298 A.

The free arm 27 of elbow pole 19 is hinged on the rocking bar 18 by means of connecting rod 28,29.Rocking bar 18 has connector 30, and it can be in vertical adjusted of rocking bar 18 for the amount of adjusting linear movement.Connecting rod 28,29 is hinged on one can be around on the fixing steering spindle 32 rotating shared levers 31.

The rocking bar 18 of driving element 14 is implemented a kind of definite motion of regulation.Elbow

pole

19,22 with which kind of relation motion and heald frame 10 with which kind of relation moves, and then depends on the position and the length (being matched with the length of connecting rod 28,29) thereof of lever 31 steering spindles 32.Can change the relation of heald frame 10 by means of the lever 31 of different length and/or the diverse location of steering spindle 32 with respect to rocking bar 18 motions.

Whole transmission device has a shared supporting structure that preferably depends on loom, and it has the form of the closure 33 that holds fuel tank 34 in this embodiment.Lever 31 and steering spindle 32 are in the middleware 35, this middleware be arranged on the housing parts 36 that comprises driving shaft 13 and driving element 14 and hold lever system 15 and the housing parts 37 of linear guides 26 between can unclamp with replaceable.Under standard loom situation, has a middleware that does not have lever 31 steering spindles.The free arm 27 of rocking bar 18 and elbow pole 19 directly is connected by means of the connecting rod that connects.If the loom of customer requirement special requirement has fastening the possibility that changes the integrated box movement stroke with the pass of driving element movement travel, use this middleware 35 so, it has steering spindle and lever 31, and bar 28,29 subsequently is articulated and connected on this lever.

In the embodiment of Fig. 2, the position of lever 31 steering spindles 32 can change.This steering spindle can move on a slight curving guide rail 38 and can locate on desired position.Can change the motion of lever system 15 thus and therefore also have heald frame 10, and need not to change lever 31 and connecting rod 28,29 with respect to the relation between the motion of driving element 14.Preferably manually carry out from the outside of middleware 35 adjustment of steering spindle 32 and location.Guide rail 38 is preferably crooked like this, and lever 31 can be turned round around the hinge point 47 of two connecting rods 28,29, and can not change the position of corresponding heald frame 10 thus.

In the embodiment of Fig. 3, the position of lever 31 steering spindles 32 can change equally.The change of position is by means of being undertaken by the transmission device 39 of motor operation.

In the embodiment of Fig. 4, steering spindle 32 is arranged on can be around on the arm-type balancing poles 41 such as axle 40 rotating both arms.Be hinged on the rocking bar 18 by bar 42 etc. arm-type balancing pole 41.Carry out above-mentioned hinged at the hinge point spacing distance that is hinged on the rocking bar 18 with connecting rod 28.

The embodiment of Fig. 5 and the embodiment of Fig. 4 are closely similar.Difference is etc. that arm-type balancing pole 41 utilizes bar 43 also to be articulated and connected above being hinged on the position of rocking bar 18 of bar 28.In the embodiment of Figure 4 and 5, can for lever 31 single steering spindle be set respectively waiting on the arm-type balancing pole 41, thereby when needing the movement travel of single heald frame 10 can with the movement travel different designs driving element 14 of other heald frames.Can have other hinge point etc. arm-type balancing pole 41, for example be used for bar 43 or be used for the hinge point 44 of lever 31.Equally, can have two or more hinge point that are used for steering spindle 32.Replace a plurality of hinge point and also can have clearance type guide rail and setting element.

In the embodiment of Fig. 6, have in the side view leg-of-mutton frame lever 31 '.This lever 31 ' be in is compared lengthening with the middleware 35 of Fig. 1 middleware 35 ' in.Thus can corresponding lengthening connector 28 ', 29 '.In addition, these connecting rods are hinged on lever 31 ' last each own hinge point 45,46.

As shown in Figure 7, can be at an easy rate driving shaft 13 and driving element 14 are arranged to make below connecting rod 28 ", 29 " is in, and steering spindle 32 be " above being in.This set is self-evident also can be used in the embodiment of Fig. 1-5.

In a kind of different embodiment, fuel tank exists only in the housing parts 36, and middleware 35 and housing parts 37 do not comprise fuel tank.In another embodiment, housing parts 36 and middleware 35 whole formations.In another embodiment, housing parts 37, middleware 35 and housing parts 36 are inseparable supporting structure.

In addition, all embodiment also can change like this, make it have plural connecting rod, and they connect by means of the lever that utilizes the steering spindle supporting respectively.

For driving shaft 13 can have a unshowned drive motors, be installed in the outside of housing parts 36.This self drive motors mechanically is not connected with the main drive motor of loom, but the main drive motor synchronous operation of it and loom.

Claims

1. the transmission device of harness frame in aweaving machine, have a driving shaft that drives driving element, to rotatablely move and change linear movement into, have one linear movement is delivered to lever system on the heald frame as elevating movement, also have the connecting rod that is between driving element and the lever system, it is characterized in that, described driving element comprises rocking bar (18), this rocking bar drives by driving shaft (13) and carries out a kind of oscillating motion of regulation, and by vertical adjustable connector (30) and two connecting rods (28,29 in succession along rocking bar (18); 28 ', 29 ') be connected to described lever system, described connecting rod is hinged on the lever (31,31 ') that unsteadily is arranged on the steering spindle (32,32 ', 32 ").

2. by the described transmission device of claim 1, it is characterized in that, connecting rod (28 ', 28 ", 29 ', 29 ") separately by means of independent hinge point (45,46) be hinged on lever (31 ', on 31 ").

3. by claim 1 or 2 described transmission devices, it is characterized in that the position of steering spindle (32,32 ', 32 ") can change.

4. by the described transmission device of claim 3, it is characterized in that having the device of the position that can manually operatedly be used to change steering spindle (32,32 ', 32 ").

5. by the described transmission device of claim 3, it is characterized in that, have can motor operation transmission device (39), be used to change the position of steering spindle (32,32 ', 32 ").

6. by the described transmission device of claim 3, it is characterized in that, connecting rod (28,29) hinged lever (31) utilize steering spindle (32,32 ', 32 ") be bearing in one can adjust etc. on the arm-type balancing pole (41).

7. by the described transmission device of claim 6, it is characterized in that, wait arm-type balancing pole (41) to be connected with the rocking bar (18) of driving element (14) by means of connecting rod (42,43).

8. by claim 1 or 2 described transmission devices, it is characterized in that, has the supporting structure (33) that is used for driving shaft (13), driving element (14), connecting rod (28,29) and lever system (15), this supporting structure comprises removable middleware (35,35 '), the inside be provided with connecting rod (28,29) hinged lever (31,31 ', the steering spindle of 31 ") usefulness (32; 32 ', 32 ").