CN100393930C - Automatic lubrication system for shaft of rotating shuttle in many-headed computer embroidery machine - Google Patents

Abstract

The present invention relates to an automatic lubrication system used on a rotating shuttle shaft of an embroidering machine that has multiple heads and is controlled by a computer, which gets lubricating oil heated and atomized for oil fog lubrication. The automatic lubrication system is composed of at least one closed oil holder, an air compressor provided with heating wires inside and a guide pipe, wherein the oil holder is connected with an air inlet pipe and an oil fog pipe, the other end of the air inlet pipe is connected with the air compressor, and the other end of the oil fog pipe is connected to positions where lubrication is needed; a controller respectively controls the heating wires of a plurality of oil holders in sequence, the air compressor blows air toward the oil holders, and an oil groove is communicated with the oil holders and is provided with a level detecting device; an oil pump supplies oil to the oil groove and the heads of the embroidering machine, and an oil pump of the level detecting device is provided with a control line connected with the controller; the controller controls the heating, air blowing and level detecting process circulation so as to together solve the problems of inconvenient lubrication dropping and dropping too much for the system; in addition, the oil fog is delivered to the positions of the rotating shuttle and the lower embroidering thread. The present invention is applied to special materials such as leather, reduces contact friction between a thread and a leather material, and can reduce thread breaking rate.

Description

Multi-head computerized embroidery machine rotary shuttle shaft automatic lubricating system

Technical field

The present invention relates to a kind of lubricating system, especially relate to a kind of behind the lubricating oil heating atomization with the automatic lubricating system on the multi-head computerized embroidery machine rotary shuttle shaft of being used for of fog lubrication.

Background technology

Multi-head computerized embroidery technique can sketch for place embroidery machine (with reference to Fig. 1) go up more than a head 2,1 the embroidery pin 3 on the head 2 of embroidering of reaching the standard grade, pump on cloth 9 (with reference to Fig. 2).Embroider pin 3 bands and reach the standard grade and 1 pierce in the cloth 9 and form loop-drive, the rotating shuttle point 503 on the rotating shuttle 501 around the coiling bottom line shuttles 502 of reaching the standard grade and form reach the standard grade 1 with the chain knot that twines generation mutually of bottom line 10.Rotating shuttle main shaft 4 rotating speeds of interlock are high more, the speed of embroidering pin 3 round clothes 9 is high more, the rotating shuttle 501 of supply bottom line 10 rotates fast more, the speed that rotary shuttle shaft 504 rotates on axle sleeve 505 is also high more, wearing and tearing between the two are also serious more, therefore, effectively automatic lubricating system is most important to lubricating of this part part.

In addition, when for example car was embroidered leather and fur products, friction and the tension force embroidered between line and leather were bigger, cause broken string easily, influences production efficiency at the extraordinary material of embroidery, and need be lubricated reduction friction and tension force this moment to embroidering line and leather.

Mostly the existing lubricated refueling device that is used for embroidery machine is with the staff or the mode of instillations automatically lubricating oil to be sent on the specific position, or in addition compressed air blows to the high speed rotating part and reaches to cooling effect., because rotating shuttle seat 5 is to place side under the platen, the mode of regularly injecting lubricating oil with staff is very inconvenient; And drop instillator has only solved the inconvenient problem of refueling automatically, and is difficult with control for the dosage of adding, especially lubricated to embroidering extraordinary materials such as line and leather, usually can produce excessive lubricating oil and overflow and problems such as polluted product and environment.

Summary of the invention

Purpose of the present invention, but just provide a kind of self-lubricate and can not produce that the overlubricate oil spill goes wrong be used for automatic lubricating system on the multi-head computerized embroidery machine rotary shuttle shaft.

For achieving the above object, the automatic lubricating system that is used on the multi-head computerized embroidery machine rotary shuttle shaft of the present invention, it is characterized in that: airtight oil-holder, blowning installation and conduit by dress heating wire at least one constitute, described oil-holder is connected to air inlet pipe and mist of oil pipe, another termination blowning installation of air inlet pipe, the mist of oil pipe other end is to needing lubricated place; Described blowning installation is made up of air compressor machine and conduit;

In the described oil-holder, temperature detect switch (TDS) or temperature probe are housed, the temperature signal output line of temperature probe connects a controller, and whether are temperature detect switch (TDS) or controller control heater strip conducting work;

Described controller is the heating wire of a plurality of oil-holders of sequential control respectively, air compressor machine, an oil groove to each oil-holder blow, fuel feeding, oil groove has a liquid level detection device, one oil pump is to oil groove and each head fuel feeding, liquid level detection device, oil pump respectively have control line to be electrically connected with controller, and controller is controlled the heating of each oil-holder, air blowing, the circulation of Level Detection process and carried out.

The heating of the heating wire of oil-holder forms mist of oil 612 with lubricating oil 609 atomizings during work, lubricating oil 609 is after design temperature is atomized, system starts electromagnetic valve switch (not shown), blow into an amount of compressed air in the space of oil-holder 607 from air inlet pipe 603, air pressure blows to mist of oil pipe 614 to mist of oil 612 and guides to rotary shuttle shaft 504 near on the position of axle sleeve 505, rotating shuttle 501 produces low-pressure air current when running up, when mist of oil 612 sprays from nozzle (not shown), be adsorbed between rotary shuttle shaft 504 and the axle sleeve 505 by air-flow and adhere on the surface, because siphonage capillaceous makes in the lubricating oil inspiration gap that invests on the rotary shuttle shaft 504, thereby formation composite lubricating film, reach lubricant effect, lower the wearing and tearing of 505 on rotary shuttle shaft 504 and axle sleeve to low dose.

In addition, mist of oil also can be directed to rotating shuttle and reach the position of embroidering line down.

The invention has the beneficial effects as follows: this device is in brand-new mode, the mode of lubricating oil with heating is sent within the gap of rotary shuttle shaft and shaft room after atomizing, form the lubricity film, the inconvenience of staff instillation, the extremely difficult arrival in position and the too much problem of dosage have been solved together, make the gap that is keeping suitable between the parts, lower the rate of depreciation of parts, the application life of elongated component; In addition, the position that atomized lubrication oil is sent to rotating shuttle and embroiders line is down lowered the friction that line contacts with the leather material, thereby can be reduced outage on the lubricated especially extraordinary materials such as leather as needing, and the embroidery quality is also correspondingly more stable.

Description of drawings:

Fig. 1 is the front elevational schematic of common multi-head embroidery machine.

Fig. 2 is the rotating shuttle rotation system schematic diagram of common multi-head embroidery machine.

Fig. 3 is an oil-holder structure cross-sectional schematic.

Fig. 4 is a liquid level detection system apparatus structure cross-sectional schematic.

Fig. 5 is the system controller control flow chart.

Fig. 6 is the combined lubrication system schematic.

The specific embodiment

Because a multi-head computerized embroidery machine has many rotary shuttle shafts, need be furnished with an amount of atomising device of heating a plurality of oil-holders are promptly arranged, it can be single channel lubricating arrangement independently that each oil-holder is responsible for lubricated rotary shuttle shaft to it, the single channel lubricating arrangement of each independence integrated and constitute the loop of whole combined lubrication system: by a controller 10 heating wire of a plurality of oil-holders 607 of sequential controls respectively, an air compressor machine 11 is blown to each oil-holder, one oil groove 804 is communicated with each oil-holder, oil groove has a liquid level detection device, one oil pump 12 is to oil groove and each head 2 fuel feeding, liquid level detection device, oil pump has control line to be connected with controller, controller is controlled heating of each oil-holder, blow, Level Detection process circulation is carried out, for single channel circulating add temperature control.

As shown in the figure, native system is used for bull formula computer embroidering machine, and whole system is divided into four part main parts, realizes automation oiling scheme.

1. the atomising device (Fig. 3) of heating;

This device utilizes the mode of heating, and lubricating oil 609 atomizings are formed mist of oil 612.Heating wire 608 usefulness nuts 613 are fixed on the oil-holder cover plate 605, and terminal 602 connect with the mains line/power supply 601 and power switch (not shown) make heating wire 608 be warming up to proper temperature during energising, make the lubricating oil atomizing and produce mist of oil 612.Lubricating oil 609 is after design temperature is atomized, and system starts electromagnetic valve switch (not shown), and an amount of compressed air is blown in the space of oil-holder 607 from air inlet trunnion 603.Air pressure blows to mist of oil 612 exhaust trunnion 614 and guides to rotary shuttle shaft 504 near on the position of axle sleeve 505 from trunnion.Siphonage capillaceous makes in the lubricating oil inspiration gap that invests on the rotary shuttle shaft 504, thereby forms composite lubricating film, the wearing and tearing of lowering 505 on rotary shuttle shaft 504 and axle sleeve.Temperature is too high when avoiding heating, the danger of lubricating oil 609 degradeds and generation fire alarm, on oil-holder 607, installed temperature switch, when temperature overheating, disconnect the electroheat pair (not shown) in the temperature detect switch (TDS) 610, and start warning systems by controller 10 and stop the work of heating of heating wire 608 through holding wire 611.

In addition, the position that mist of oil also can be directed to rotating shuttle and embroider down line as needing on the lubricated especially leather material, is lowered the friction that extraordinary materials such as line and leather contact, thereby can be reduced outage.

2. blowning installation

This device is to provide system required compressed air by external air compressor through conduit, and choke valve is housed on the conduit.Compressed air has two kinds of effects at this:

A, before transmitting mist of oil, as remove burr that rotating shuttle partly adsorbing, line wadding and or trimming after the hair dirt that produces or the like, avoid mist of oil and hair dirt to bind after, clean the problem of difficulty.

B, an amount of compressed air is irritated in the oil-holder, extrude mist of oil to desired location.

Blowning installation carries out the cleaning of above-mentioned a part earlier, and when reaching to predetermined temperature range, controller is given the signal electromagnet valve, opens electromagnetic valve switch (not shown).Gas blows in the oil-holder 607 from pipeline 603 (Fig. 3), the mist of oil that has atomized, extrudes from mist of oil pipe 614, is directed on the position of rotary shuttle shaft 504 near axle sleeve 505 through conduit, and mist of oil is attached on the rotary shuttle shaft, forms composite lubricating film.

3. liquid level detection device

In the process of atomizing, the lubricating oil liquid in the oil-holder thereby be consumed gradually, when liquid level was lower than heating wire 608, heating wire 608 damaged under the situation of dry combustion method easily.So liquid level detection device has been brought into play the effect of system protection automatically.

As shown in Figure 4, liquid level detection device is located in the oil groove 804 that is communicated with each oil-holder, and leve detecting assembly is whether the position that utilizes magnetic coupling principle to detect liquid level exceeds default scope.Its structure has comprised the assembly of oil groove 804 and 803, one groups of floats 805 of oil groove cover plate, stem stem 806, clamp nut 802 and holding wire 801.Assembly is anchored on the oil groove cover plate 803, and float 805 fluctuates between stem stem 806.Stem stem 806 is provided with reed switch (not shown) in the precalculated position, when liquid level was low, the float carrying magnetic partly touched reed switch, sent low liquid level and alarm signal by holding wire 801, and start oil feed pump (not shown) fuel feeding to oil groove 804, finish until default supply time.

4. control flow

Overload hazard when avoiding electro-heat equipment to heat simultaneously, native system have been implemented the single channel auto-oiled notion that circulates, and circular heating and air blowing sequentially is till finishing the work of heating to all rotating shuttles.The switching sequence of system is write by the design cycle of Fig. 5.

Claims (1)

1. automatic lubricating system that is used on the multi-head computerized embroidery machine rotary shuttle shaft, it is characterized in that: airtight oil-holder, blowning installation and conduit by dress heating wire at least one constitute, described oil-holder is connected to air inlet pipe and mist of oil pipe, another termination blowning installation of air inlet pipe, the mist of oil pipe other end is to needing lubricated place; Described blowning installation is made up of air compressor machine and conduit;

In the described oil-holder, temperature detect switch (TDS) or temperature probe are housed, the temperature signal output line of temperature probe connects a controller, and whether are temperature detect switch (TDS) or controller control heater strip conducting work;

Described controller is the heating wire of a plurality of oil-holders of sequential control respectively, air compressor machine, an oil groove to each oil-holder blow, fuel feeding, oil groove has a liquid level detection device, one oil pump is to oil groove and each head fuel feeding, liquid level detection device, oil pump respectively have control line to be electrically connected with controller, and controller is controlled the heating of each oil-holder, air blowing, the circulation of Level Detection process and carried out.

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