CN1774530B

CN1774530B - Drive for heald frames of a loom

Info

Publication number: CN1774530B
Application number: CN2004800102349A
Authority: CN
Inventors: D·桑佩尔斯
Original assignee: Picanol NV
Current assignee: Picanol NV
Priority date: 2003-04-17
Filing date: 2004-04-07
Publication date: 2011-08-03
Anticipated expiration: 2024-04-07
Also published as: EP1613799B1; WO2004092464A1; DE502004004948D1; CN1774530A; EP1613799A1; DE10318808A1; ATE373124T1

Abstract

The invention relates to a drive for heald frames (17), comprising a drive motor (18) which is disposed on a housing (10) containing the drive element and a lever system (15). The drive motor is provided with one or several cooling channels which are connected to an area of the housing (10) which is formed in order to receive an oil bath.

Description

The drive unit that is used for a harness frame in aweaving machine

The present invention relates to a kind of drive unit that is used for a harness frame in aweaving machine, it has driver part, driver part will rotatablely move and convert rectilinear motion to and they are arranged on the housings of holding a lever system, and this lever system is delivered to heald frame with rectilinear motion as upper and lower motion.

The drive unit of above-mentioned form bears uneven load, spins cycle period chien shih heald frame and lifts and descend because it must be knitted at one.This will cause the significant load of drive motors, especially when drive motors is independent of the main drive motor of loom.

The objective of the invention is to design a kind of drive unit of above-mentioned form, make the drive motors non-overloading.

This purpose is achieved thus, and promptly described drive unit has one or more cooling ducts, and they are connected on the position of shell and are used to hold an oil sump.

Cool off the oil in the oil sump in an advantageous manner, oil is used as the lubricant of the driver part that is arranged on the drive unit housings.Avoid the uneven danger of being heated of shell and driver part in addition, avoid thermal deformation thus, thermal deformation otherwise may cause alignment problem especially with respect to drive link or bearing.

Stipulate that in design of the present invention a drive motors is fixed on the shell, this drive motors is surrounded by a cooling duct.

In order to guarantee that obtaining enough oil inputs is used for especially drive motors of cooled enclosure, stipulates that in another design of the present invention the oily input channel that is transported to drive motors is connected on the oil pump.At this oil pump is set preferably, its position of bearings or hinge position fuel feeding to being arranged on the driver part in the shell is especially by oil spout.

Stipulate that in another program of the present invention described shell extends to the opposite from a side of loom, described drive motors is arranged on the place, an end of shell, and an oil return passage leads to shell at place, the other end.The driver part that makes shell thus and be placed in wherein heats as far as possible equably by the heat of discharging from drive motors.

In order to discharge heat, suggestion in an embodiment of the invention, described shell is furnished with cooling muscle rib or cooling-part near being preferably in its bottom.Regulation is provided with an oil cooler in oily input channel or oil return passage in another embodiment.This oil cooler preferably cools off by flowing coolant, especially cooling water.

Stipulate that in another design of the present invention described shell constitutes one with drive motors, oil pump, oily input channel and oil return passage where necessary can be installed in a construction unit on the loom.This construction unit is installed on the loom as construction unit then for example by manufacturer's preprocessing.If under the condition of using damped part, realize installing, then guarantee not back and forth transmitting vibrations or swing between harness frame drive device and loom.

Embodiments of the invention shown in the drawings.

Fig. 1 illustrates a stereogram according to drive unit of the present invention, the oil cooling that is used for drive motors that it has a signal but,

Fig. 2 illustrates along the sectional view of Fig. 1 center line II-II,

Fig. 3 illustrates the sectional view with similar another embodiment of Fig. 2,

Fig. 4 illustrates along the sectional view of Fig. 3 center line IV-IV,

Fig. 5 illustrates the partial section that similarly has the embodiment of a cooling device with Fig. 3,

Fig. 6 illustrates the partial section of shell among Fig. 5 with the ratio that enlarges.

The shell 10 that has a longitudinal extension at the harness frame drive device shown in Fig. 1 and 2.This shell 10 extends between the

side members

11,12 of a loom with the cross section members of a substantial rectangular.The position 13 that has an expansion at a described shell 10 in position that is positioned at side members, for example left surface parts 11 outsides.Settle a driving shaft 14 in these 13 the insides, position, it is connected with transferring elements 16 by a lever system 15, these transferring elements are upwards being stretched from shell 10 between the

side members

11,12 and are being connected with heald frame 17, and these heald frames are driven with descending motion in order to rise.

Described driving shaft 14 drives by a drive motors that is independent of a loom main drive motor 18, and its flange is connected on the decelerator shell 19, and the flange of this decelerator shell own is connected on the expansion position of shell 10 of side members 11 outsides.Described decelerator shell 19 comprises a retarding stage, and it makes drive motors 18 be connected with driving shaft 14.This decelerator shell 19 can be one with shell 10 also.

Described shell 10 be generally sealing and hold an oil sump 20.Seal member 21 is positioned at transferring elements 16 places, and these seal members guarantee do not have dust to enter into shell 10 the insides on the one hand, do not have oil to enter into the fabric place that is produced on the other hand.

Because described drive motors 18 bears high load capacity and especially also bears high heat load, so it is furnished with oil cooling but, and this oil cooling but utilizes the oil of oil sump 20.Connect an oil pump 22 on oil sump 20, it is connected with the cooling duct that one or more outer hull shapes surround drive motors by oily input channel 23.On these cooling ducts of drive motors 18, connect an oil return passage 24, make oil leave drive motors 18 by it and turn back to later shell 10 and oil sump 20 the insides.This oil return passage 24 leads to and is positioned at the place, shell 10 ends that enlarges 13 opposites, position.Has an oil cooler 25 in the present embodiment in oil return passage inside, the oil that its cooling is flowed back to from drive motors 18.

Described oil pump 22 preferably also is used to make oil as lubricant delivery each parts of bearings to the lever system 15 of harness frame drive device, and is for example represented by pipeline 26 in Fig. 1.As in Fig. 1 with shown in the dotted line, described oil return passage 24 is connected with this pipeline, makes the oil lubrication of position of bearings by heating of driving mechanism.

Described in a preferred embodiment whole harness frame drive device is made of the construction unit of a preprocessing, and it can be placed on the loom as such construction unit.On shell 10, be furnished with mounting flange 27,28 for this reason, construction unit can be fixed on the

side members

11,12 of loom by them.In this structure, especially oil pump 22 is arranged on shell 10 inside.This oil pump preferably is connected with driving shaft 14 by a retarding stage, and therefore described drive motors 18 also drives oil pump together.

Harness frame drive device according to Fig. 1 just illustrates as an example.Directly drive at driving shaft 14 described in the embodiment of a modification by drive motors 18.This drive motors 18 also can be placed on the end face or end face or opposite at expansion position 13 of shell 10.Be furnished with one by bevel gear in case of necessity and turn to retarding stage.

Especially can avoid by the present invention, be positioned at the effect that shell 10 below the warp thread plays heater.Because the effect of heater can make the warp thread drying of shell top, this may have adverse influence for braiding process and resulting fabric.Should there be the least possible oil in effect for fear of heater in shell 10, that is, as long as there is enough oil to be used to realize lubrication.The oil of these lubricated lever system positions of bearings preferably is cooled in addition.

Therefore in the embodiment according to Fig. 3 and 4, an oil sump 20 ' is confined to the position 13 of shell 10, and it is positioned at outside the

side members

11,12 of loom.At this position 13, described shell 10 has a ratio and locate darker bottom between side members 11,12.As shown in Figure 4, only have a groove 31 at this position in the bottom of shell 10, it leads to oil sump 20 ' as backflow.An oil cooler 25 is set in the position 13 of

shell

10, and 32 pairs of nozzles 23 of oil supply pipe that it is represented by chain-dotted line provide the oil of cooling, and nozzle is attached on the position of bearings of lever system 15.The cold oil of ejection is back to the oil sump at shell 10 positions 13 by groove 31.As what can be seen by Fig. 4, described groove 31 is muscle ribs that stretch out from shell 10 bottoms downwards.Because this shape makes the muscle rib play the effect of cooling muscle rib simultaneously.

Be fixed on the

side members

11,12 of loom by

damped part

34,35 according to shell described in the embodiment of Fig. 3 and 4 10, they also make shell 10 and

side members

11,12 heat insulation thus.

Can consider various forms of harness frame drive devices for the present invention in principle, that is, and the transmission of many bars, cam drive, eccentric gearing or bent axle transmission.

Be furnished with a plurality of independently drive motors for drive unit in the embodiment that changes, they are attached to a plurality of heald frames or an independent heald frame respectively.At least one drive motors and preferably all drive motors cool off in the above described manner.

At one and the similar embodiment of Fig. 3 shown in Fig. 5 and 6, wherein have a cooling duct 40 at place, shell 10 bottoms, it surrounds groove 31 in this embodiment.In this cooling duct 40, produce cooling agent stream.This cooling agent stream can be the air of cooling.Air is preferably blown over cooling duct 40 by a blower fan.But also can produce a convection current.A kind of cooling agent of liquid flows through cooling duct 40 in another embodiment.The cooling agent of this liquid, especially cooling water can be carried by pump.Preferably make a plurality of grooves 31 that preferably constitute with the profile form be positioned at shell 10 bottoms in this embodiment, they put in cooling duct 40.Film-cooled heat is strengthened.Described cooling duct 40 is made of shell 10 bottoms and a profile fixed thereon 41.Cooling stream-air and cooling water-in the cooling duct, flow to side members 11 from a side members 12.This cooling stream is discharged at side members 11 places, the cooler 42 and be transported to another side parts 12 places again of flowing through.Cooling device 42 also can have a cooling unit.

Claims

1. drive unit that is used for a harness frame in aweaving machine, it has driver part, driver part will rotatablely move and convert rectilinear motion to and be arranged on a housings, this shell holds a lever system, this lever system is delivered to heald frame with rectilinear motion as upper and lower motion, it is characterized in that having one or more cooling ducts, it is connected to the position that is used to hold an oil sump (20,20 ') of shell (10).

2. drive unit as claimed in claim 1 is characterized in that, goes up at described shell (10) drive motors (18) is installed, and it is surrounded by a cooling duct.

3. drive unit as claimed in claim 2 is characterized in that, an oily conveyance conduit (23) that directs into drive motors (18) is connected on the oil pump (22).

4. drive unit as claimed in claim 3, it is characterized in that, described shell extends to the side on opposite from a side of loom, and described drive motors (18) is installed in the place, an end of shell (10), and an oil return passage (24) leads to shell (10) at place, the other end.

5. drive unit as claimed in claim 1 is characterized in that, described shell (10) is furnished with cooling muscle rib or cooling-part.

6. drive unit as claimed in claim 4 is characterized in that, at oily conveyance conduit (23) or in oil return passage (24) the inside an oil cooler (25) is set.

7. drive unit as claimed in claim 4 is characterized in that, described shell (10) and oil pump (22), oily conveyance conduit (23) and oil return passage (24) are construction units.

8. drive unit as claimed in claim 7 is characterized in that, described construction unit comprises an oil cooler (25).

9. as claim 7 or 8 described drive units, it is characterized in that described construction unit also comprises drive motors (18).

10. drive unit as claimed in claim 1, it is characterized in that, described shell (10) has two side members (11 that are arranged on a loom, 12) position between and one are arranged on position (13) outside the side members and described oil sump (20 ') and are confined to be arranged on position (13) outside the side members (11,12) basically.

11. drive unit as claimed in claim 10 is characterized in that, the position that is arranged between the side members (11,12) of shell (10) is connected with oil sump (20 ') by a groove (31), and this groove is arranged on the bottom of described shell (10).

12. drive unit as claimed in claim 10 is characterized in that, the position that is arranged between the side members (11,12) of shell (10) is furnished with oily transport (33), and they are connected in the outlet of an oil cooler (25).

13. drive unit as claimed in claim 1 is characterized in that, described shell (10) is set up a cooling device (42), it produces the cooling agent stream of the shell of flowing through.

14. drive unit as claimed in claim 1 is characterized in that, has a cooling duct (40) at the place, bottom of described shell (10).

15., it is characterized in that a wall body of described shell (10) is made of a cooling duct (40) that is used for cooling agent stream as claim 13 or 14 described devices.

16., it is characterized in that a wall body of described shell (10) is furnished with a profile (31) that enlarges film-cooled heat as claim 13 or 15 described devices.

17., it is characterized in that described wall body is the bottom of shell as claim 15 or 16 described drive units.

18. drive unit as claimed in claim 13 is characterized in that, the described cooling agent stream outer casing bottom of flowing through.