CN209779200U - Automatic lubricating device for rotating shuttle of embroidery machine - Google Patents

Abstract

The utility model discloses an embroidery machine rotating shuttle automatic lubrication installation, including rotating shuttle subassembly and oil supply unit, the rotating shuttle subassembly includes the shuttle box, the rotating shuttle axle sleeve, rotating shuttle pivot and rotating shuttle, the axle sleeve hole of shuttle box is located to the rotating shuttle axle sleeve, the rotating shuttle pivot is worn to locate the rotating shuttle axle sleeve and is connected with rotating shuttle axle sleeve normal running fit, shuttle bottom of the box is equipped with the communicating oil transfer hole with the axle sleeve hole, the bottom drill way of oil transfer hole is linked together through trachea and oil supply unit, oil supply unit atomizing oil supply unit, the rotating shuttle axle sleeve is just being equipped with the oilhole to the top drill way department of oil transfer hole, the rotating shuttle pivot is equipped with the direct hole that radially runs through the rotating shuttle pivot with the rotating shuttle axle sleeve cooperation position rotating shuttle pivot surface, the rotating shuttle pivot is equipped with the blind hole that the axial was seted up, the drill way end and the rotating shuttle of blind hole are linked together, the blind. The utility model discloses can also provide abundant lubrication for the rotating shuttle under the non-stop state, the oil circuit is difficult to the jam, practices thrift with the oil mass.

Description

Automatic lubricating device for rotating shuttle of embroidery machine

Technical Field

The utility model relates to an embroidery machine rotating shuttle refuels lubricated technical field, especially relates to an embroidery machine rotating shuttle self-lubricate device.

Background

The oiling device for the rotating shuttle of the embroidery machine is a key for improving the quality of textile embroidery, and particularly, the oiling device for the rotating shuttle can improve the quality of embroidery, reduce equipment noise, reduce the thread breakage rate of the machine and the like by oiling the rotating shuttle according to the required quantity, but the existing rotating shuttle oiling device in the markets at home and abroad has certain defects. At present, the oiling modes of the embroidery machine at home and abroad are mainly manual oiling, semi-automatic oiling and automatic oiling. The manual oiling is to directly spray oil to the rotating shuttle, the scheme is required to be operated in a shutdown state, if the rotating shuttle is operated at a high speed or a medium-low speed, the damage exists, the manual oiling time, the oil quantity and the like only depend on the experience of an operator, the embroidery quality is sometimes influenced in the oiling process, and the secondary pollution is caused. The semi-automatic oiling mode is mainly characterized in that oil is injected into an oil pipe manually, and then the oil is brought into an oil groove of the shuttle box body through the oil pipe, the scheme is mainly that oiling is carried out on a rotating shuttle rotating shaft in the shuttle box body, the rotating shuttle rotating shaft rotates to generate negative pressure, the oil in the oil groove is brought into a rotating shuttle, the semi-automatic oiling also needs manual operation, time and labor are wasted, the rotating shuttle supplies oil to the rotating shuttle through pressure changes at two ends of the rotating shuttle rotating shaft, the rotating speed is different, the oil is brought into the rotating shuttle rotating shaft in different amounts, the amount of the oil cannot be controlled, redundant lubricating oil is generally led back to the oil groove of the shuttle box body through an oil outlet channel, the oiling is also in a continuous state, the oiling is not carried out according to needs, the embroidery quality can be influenced in actual production. The automatic oiling mode is characterized in that manual oiling in the semi-automatic oiling scheme is changed into oil pump injection, the defect that the shuttle box body needs to be manually oiled in the semi-automatic oiling scheme is overcome, the design of a rear oil path is not improved, and the problems that the oil amount cannot be controlled, the oil path is blocked and the like exist. In addition, in any of the three schemes, the lubricating oil reaching the rotating shuttle is in a water drop shape, so that the rotating shuttle is not lubricated in all directions, and the existing oiling technology has various problems.

Based on the above phenomenon, the patent document with the publication number CN101718027B discloses an "automatic lubrication system for a rotating shuttle assembly of an embroidery machine", which comprises a rotating shuttle assembly and an oil supply device for the rotating shuttle assembly, wherein the rotating shuttle assembly comprises a rotating shuttle, a rotating shuttle rotating shaft and a rotating shuttle shaft sleeve, the oil supply device is a high-pressure oil mist generating device and consists of a high-pressure air source, a water filter, an oil reservoir, an electronic valve, a check valve and an air flow regulating valve which are sequentially connected through an air duct, an axial blind hole is arranged in the rotating shuttle rotating shaft and communicated with the rotating shuttle through a through hole end, at least one oil through hole communicated with the blind hole is arranged on the surface of the rotating shuttle rotating shaft, at least one oil guide hole is arranged on the rotating shuttle shaft sleeve, an oil delivery hole corresponding to the oil guide hole is arranged on a box body, one end of the oil delivery hole is communicated with the oil guide hole, and the other end of the oil delivery hole is, Theoretically, analysis shows that the lubricating oil between the rotating shuttle shaft sleeve and the rotating shuttle shaft can be ideally lubricated to ensure that the rotating shuttle rotates well due to the fact that the lubricating oil groove is filled with lubricating oil, the lubricating oil can finally and effectively reach the rotating shuttle along with the supply of the lubricating oil and the time lapse, but in actual operation, after the oil supply device provides the pre-calculated oil quantity to the oil transmission hole, more lubricating oil can remain at the matching part of the rotating shuttle shaft sleeve and the rotating shuttle shaft sleeve, and blockage can occur in serious conditions, so that the oil quantity obtained at the rotating shuttle is not as expected to obtain the corresponding quantity of the lubricating oil, in the prior art, the improvement can be realized only by increasing the single oil supply quantity of the oil supply device or increasing the air pressure provided by the oil supply device (high-pressure air source), and the lubricating oil can be used for a long time, the oil quantity is easy to waste, the normal operation track of the embroidery thread is easy to influence if the provided air pressure exceeds 0.4MPa or even is higher, the embroidery process is interrupted, the production efficiency of a production line is influenced, in addition, the phenomenon that atomized lubricating oil rushes out of the rotating shuttle can also occur, and the rotating shuttle is not favorable for full lubrication.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is not enough to above-mentioned prior art, provide one kind and can also provide sufficient lubrication for the rotating shuttle under the non-stop state, the oil circuit is difficult to the jam, and the embroidery machine rotating shuttle automatic lubrication installation that can ensure the high-efficient work of rotating shuttle is practiced thrift to the oil mass.

In order to realize the purpose, the utility model discloses a technical scheme be:

An automatic lubricating device for a rotating shuttle of an embroidery machine comprises a rotating shuttle assembly and an oil supply device, wherein the rotating shuttle assembly comprises a shuttle box body, a rotating shuttle shaft sleeve, a rotating shuttle rotating shaft and a rotating shuttle, the shuttle box body is provided with a shaft sleeve hole, the rotating shuttle shaft sleeve is arranged in the shaft sleeve hole, the rotating shuttle rotating shaft is arranged in the rotating shuttle shaft sleeve in a penetrating way and is connected with the rotating shuttle shaft sleeve in a rotating matching way, one end of the rotating shuttle rotating shaft is connected with the rotating shuttle, the other end of the rotating shuttle rotating shaft is connected with the shuttle box body in a transmission way, the bottom hole of the shuttle box body is provided with an oil conveying hole communicated with the shaft sleeve hole, the bottom hole of the oil conveying hole is communicated with the oil supply device through an air pipe, the oil supply device is an atomized lubricating oil supply device, the top hole of the rotating shuttle shaft sleeve opposite to the oil conveying hole is provided with an oil passing hole, the surface of the rotating shuttle rotating shaft matched with the rotating shuttle rotating shaft sleeve, the rotating shaft of the rotating shuttle is provided with a blind hole which is axially arranged, the orifice end of the blind hole is communicated with the rotating shuttle, and the blind hole is communicated with the straight through hole.

In the design, the oil delivery hole is arranged at the bottom of the shuttle box body and is communicated with the shaft sleeve hole, the oil passing hole, the straight-through hole and the blind hole to form a lubricating oil path of the automatic lubricating device, the oil supply device is an atomized oil supply device which can supply atomized lubricating oil to an orifice at the top of the oil delivery hole from an orifice at the bottom of the oil delivery hole through an air pipe according to a certain amount, when the automatic lubricating device is used, only the oil supply device is needed to be started to supply oil, the atomized lubricating oil can finally and smoothly reach the bottom of the rotating shuttle through the lubricating oil path, the rotating shuttle can drive the atomized lubricating oil to be dispersed to the whole rotating shuttle from the bottom of the rotating shuttle to realize sufficient lubrication, the atomized lubricating oil is less blocked in the path of the whole lubricating oil path, the single amount of oil supply of the; even if atomized lubricating oil is accumulated and liquefied at the matched part of the rotating shuttle rotating shaft and the rotating shuttle shaft sleeve in the using process, the rotating shuttle rotating shaft rotates, extrudes and presses the gravity guide of the liquid lubricating oil, and naturally falls back to an air pipe or an oil supply device through the oil through hole and the oil delivery hole, so that the blockage of a lubricating oil path can not be caused, and the efficient and orderly work of the rotating shuttle can be ensured.

Furthermore, a groove arranged around the rotating shuttle rotating shaft for one circle is arranged on the outer surface of the rotating shuttle rotating shaft at the matching part of the rotating shuttle rotating shaft and the rotating shuttle shaft sleeve, and the through hole is positioned at the groove. The design of the groove increases the residue of part of atomized lubricating oil at the matching part of the rotating shuttle rotating shaft and the rotating shuttle shaft sleeve, so that the blockage is reduced when the rotating shuttle rotating shaft rotates relative to the rotating shuttle shaft sleeve, and the generation of fragments due to friction is not easy; the through hole is formed in the groove, on one hand, the through hole is convenient to process during hole opening, on the other hand, the through hole is beneficial to increasing air flow caused by rotation of a rotating shaft of the rotating shuttle, so that atomized lubricating oil can be fully sucked and transmitted to the through hole from the oil passing hole.

further, the through hole is right opposite to the oil passing hole. The atomized lubricating oil can be attracted and transmitted to the through hole from the oil passing hole fully.

Further, the atomization oil supply device comprises an air source processor, an electromagnetic valve, an oil feeder and a control device, wherein the control device is electrically connected with the electromagnetic valve, and the air source processor is in conduction connection with the electromagnetic valve, the electromagnetic valve is in conduction connection with the oil feeder, and the oil feeder is in conduction connection with the oil conveying hole through air pipes in sequence. The electromagnetic valve is arranged between the air source processor and the oil feeder, the electromagnetic valve is controlled by the on-off, the on-off time and the on-off time interval of the control device, the realization of controllable air supply height is facilitated, the oil feeder is used for storing lubricating oil and supplying the lubricating oil with given quantity according to the requirement, the design is mutually matched, the on-demand and on-quantity supply of the lubricating oil is realized, and the operation is convenient.

Furthermore, a filtering device for filtering debris generated by friction is arranged in an air pipe between the oil feeder and the oil conveying hole. The lubricating oil filter is beneficial to filtering debris carried in the lubricating oil at the loop at the matching part of the rotating shuttle rotating shaft and the rotating shuttle shaft sleeve, and avoids the blockage of an oil path.

Further, the oil feeder is a manual adjusting oil feeder with an oil quantity adjusting button arranged at the top. The oil mass knob makes things convenient for operating personnel to operate, provides lubricating oil according to the volume.

further, the oil feeder is a valve type oil feeder which is electrically connected with the control device. The operation burden of operators is reduced, the operators can conveniently set parameters on the control device in a unified mode, and the oil supply quantity, the single oil supply time length, the oil supply interval and the like are controlled.

Further, the air source processor is an air source processor which is adjustable in air pressure and capable of generating negative pressure. The negative air pressure is generated, and the residual lubricating oil in the air pipe is sucked back to the oil feeder so as to be fully reused.

Further, the air source processor is an air source processor with the output air pressure of 0.4 MPa. Through tests, the normal operation of embroidery threads is guaranteed under the air pressure value, and oil is saved.

Furthermore, the bottom hole of the oil transportation hole is excessively provided with a pneumatic connector, and the air pipe is matched with the pneumatic connector to be detachably connected. Make things convenient for dismantling of oil transmission hole and oil supply unit, convenient washing and maintenance.

After the technical scheme is adopted, the beneficial effects of the utility model are that: the full lubrication can be provided for the rotating shuttle according to the requirement and the quantity under the non-stop state, the oil supply time and the oil supply frequency can be controlled, the automation degree is high, the operation is convenient, the lubricating oil can fully reach the rotating shuttle, the oil consumption is saved, the maintenance and the cleaning are convenient, and the lubricating oil path is not easy to block.

Drawings

In order to more clearly illustrate embodiments of the present invention or the technical solutions of the prior art, the drawings are as follows:

Fig. 1 is a schematic view of a split structure of an automatic lubricating device for a rotating shuttle of an embroidery machine provided in embodiment 1 of the present invention;

Fig. 2 is a schematic view of a split structure of a rotating shuttle assembly provided in embodiment 2 of the present invention;

fig. 3 is a schematic view of an oil supply structure of an oil supply device according to embodiment 3 of the present invention;

Fig. 4 is a schematic view showing a structure of a preferred embroidery machine rotating shuttle automatic lubrication device according to embodiment 3 of the present invention.

Detailed Description

The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

Example 1

As shown in fig. 1, the embodiment provides an automatic lubricating device for a rotating shuttle of an embroidery machine, which includes a rotating shuttle assembly and an oil supply device 2, wherein the rotating shuttle assembly includes a shuttle box body 11, a rotating shuttle shaft sleeve 12, a rotating shuttle rotating shaft 13 and a rotating shuttle 14, the shuttle box body 11 is provided with a shaft sleeve hole 111, the shaft sleeve hole 111 is arranged in the middle of the height direction of the shuttle box body 11 and is arranged the same as the shaft sleeve hole in the prior art, the rotating shuttle shaft sleeve 12 is arranged in the shaft sleeve hole 111, the rotating shuttle rotating shaft 13 is arranged through the rotating shuttle shaft sleeve 12 and is connected with the rotating shuttle shaft sleeve 12 in a rotating fit manner, one end of the rotating shuttle rotating shaft 13 is connected with the rotating shuttle 14, and the other end of the rotating shuttle rotating shaft is connected with the shuttle box body 11 in a driving manner, specifically, the main driving shaft arranged on the shuttle box body 11 is connected to realize the rotation of the rotating shuttle rotating;

The bottom of the shuttle box body 11 is provided with an oil delivery hole 112 communicated with the shaft sleeve hole 111, the central axis direction of the oil delivery hole 112 is consistent with the height direction of the shuttle box body 11, the bottom orifice of the oil delivery hole 112 is communicated with the oil supply device 2 through an air pipe, the oil supply device 2 is an atomization oil supply device capable of providing atomized lubricating oil according to quantity, the top orifice of the rotating shuttle shaft sleeve 12 opposite to the oil delivery hole 112 is provided with an oil passing hole 121, the oil passing hole 121 penetrates through the side wall of the rotating shuttle shaft sleeve 12 opposite to the top orifice side of the oil delivery hole 112, the surface of the rotating shuttle rotating shaft 13 at the matching part of the rotating shuttle rotating shaft 13 and the rotating shuttle shaft sleeve 12 is provided with a straight through hole 131 radially penetrating through the rotating shuttle rotating shaft 13, the rotating shuttle rotating shaft 13 is provided with a blind hole 132 axially arranged, the orifice end of the blind hole 132 is communicated with the rotating shuttle 14, specifically, and is communicated with the bottom of an outer rotating shuttle, the blind hole 132 is communicated with the through hole 131, and it should be noted that when the through hole 131 radially penetrates through the rotating shuttle rotating shaft 13, both end openings of the through hole 131 are communicated with the blind hole 132, that is, no matter which end opening of the through hole 131 the lubricating oil enters into the through hole 131, the lubricating oil finally reaches the blind hole 132 and is transmitted from the blind hole 132 to the bottom of the rotating shuttle 14, and finally the whole rotating shuttle 14 is lubricated.

In the above design, the oil delivery hole 112 is arranged at the bottom of the shuttle box 11 and is communicated with the shaft sleeve hole 111, the oil passing hole 121, the through hole 131 and the blind hole 132 to form a lubricating oil path of the automatic lubricating device, the oil supply device 2 is an atomizing oil supply device, and can supply atomized lubricating oil from the bottom hole of the oil delivery hole 112 to the top hole of the oil delivery hole 112 through an air pipe according to a certain amount, when in use, the oil supply device 2 is only needed to be started to supply oil, the atomized lubricating oil can finally and smoothly reach the bottom of the rotating shuttle 14 through the lubricating oil path, and the rotating shuttle 14 rotates to drive the atomized lubricating oil to be dispersed to the whole rotating shuttle 14 from the bottom of the rotating shuttle 14, so; the atomized lubricating oil is less blocked in the whole lubricating oil path, so that the phenomenon that more lubricating oil is blocked and left as the lubricating system proposed by the patent document with the publication number of CN101718027B does not occur, and the oil supply device 2 is beneficial to reaching the rotating shuttle 14 with more single oil supply amount, so that the oil is saved; even if the oil supply device is used, the oil supply speed of the oil supply device does not keep good consistency with the rotating speed of the rotating shuttle rotating shaft, so that atomized lubricating oil is accumulated and liquefied at the matching part of the rotating shuttle rotating shaft 13 and the rotating shuttle shaft sleeve 12, the rotating shuttle rotating shaft 13 of the embodiment is rotationally extruded and pressed to be matched with the gravity guide of the liquid lubricating oil, and the atomized lubricating oil naturally falls back to the air pipe or the oil supply device 2 through the oil passing hole 121 and the oil conveying hole 112, so that the blockage of a lubricating oil path can not be caused, and the efficient and ordered work of the rotating shuttle 14 can be ensured.

Example 2

the present embodiment differs from the previous embodiments in that the present embodiment considers sufficient lubrication of the rotating shuttle shaft 13 and the rotating shuttle sleeve 12, and in that the lubricating oil can be more smoothly and sufficiently transferred to the blind hole 132;

As shown in fig. 2, a groove 133 surrounding the rotating shuttle spindle 13 for one circle is disposed on the outer surface of the rotating shuttle spindle 13 at the matching portion of the rotating shuttle spindle 13 and the rotating shuttle shaft sleeve 12, and the through hole 131 is located at the groove 133. The design of the groove 133 increases the residue of part of atomized lubricating oil at the matching part of the rotating shuttle rotating shaft 13 and the rotating shuttle shaft sleeve 12, so that when the rotating shuttle rotating shaft 13 rotates relative to the rotating shuttle shaft sleeve 12, the resistance is reduced, and fragments are not easy to generate due to friction; the through hole 131 is formed in the groove 133, which is advantageous for facilitating the processing during the drilling process and increasing the air flow caused by the rotation of the rotating shaft 13 of the rotary shuttle, so that the atomized lubricant oil can be sufficiently sucked and transferred from the oil passing hole 121 to the through hole 131.

The through hole 131 is opposite to the oil passing hole 121. Under the state of no stop, the rotating shaft 13 of the rotating shuttle rotates relative to the rotating shaft sleeve 12 differently, the oil passing hole 121 of the through hole 131 is opposite, so that the lubricating oil in the aerosol state can fully enter the through hole 131 from the oil passing hole 121 through the original air pressure provided by the oil supply device. Preferably, a plurality of through holes 131, generally 2, are provided around the rotating shuttle shaft 13 on the basis of not affecting the structural rigidity and strength of the rotating shuttle shaft 13.

In conclusion, the present embodiment is beneficial to saving the amount of the lubricating oil for single oil supply lubrication.

Example 3

The present embodiment is different from the previous embodiments in that the present embodiment provides a detailed structure of the atomizing oil supply device, so that the atomizing oil supply device can supply oil intelligently, efficiently and quantitatively according to the requirement;

As shown in fig. 3 and 4, the atomizing oil supply device includes an air source processor 21, an electromagnetic valve 22, an oil feeder 23, and a control device, the control device is electrically connected to the electromagnetic valve 22, and the air source processor 21 and the electromagnetic valve 22, the electromagnetic valve 22 and the oil feeder 23, and the oil feeder 23 and the oil transfer hole 112 are sequentially connected in an air pipe conduction manner. The electromagnetic valve 22 is arranged between the air source processor 21 and the oil feeder 23, the electromagnetic valve 22 is controlled by the on-off, the on-off time and the on-off time interval of the control device, which is beneficial to realizing controllable air supply height, the oil feeder 23 is used for storing lubricating oil and supplying a given amount of lubricating oil according to requirements, when the oil feeder 23 is opened and the electromagnetic valve 22 or the air source processor 21 is not opened, the lubricating oil does not flow to an air pipe from the oil feeder 23, and when the air source processor 21 works and the electromagnetic valve is controlled by the control device to be opened, the lubricating oil can be output to the air pipe between the oil feeder 23 and the oil conveying hole 112 from the oil feeder 23 in an atomized state; the solenoid valve 22 is at least a two-way solenoid valve, and generally, a two-way solenoid valve is selected.

the specific operation principle is as follows: the control device transmits a control signal to the electromagnetic valve 22 to control the on-off of the electromagnetic valve 22, the gas source processor 21 transmits gas to one end of the electromagnetic valve 22 at a certain pressure, the other end of the electromagnetic valve 22 transmits the gas to the oil feeder 23, oil in the oil feeder 23 is converted into mist under the influence of the gas and is supplied to the rotating shuttle 14 by the preset oil quantity of the oil feeder 23, the oil quantity can be controlled by adjusting the oil feeder 23 according to the actual condition of a user, the oil can be ensured to be supplied in place in time, and finally the rotating shuttle 14 can work efficiently.

The mutual matching of the designs realizes the intelligent supply of the lubricating oil according to the requirement and the quantity, and the operation is convenient. The synthesis has the following outstanding advantages: the oil quantity can be distributed to the rotating shuttle 14 according to the requirement through the quantitative adjustment of the oil feeder 23 and the timing adjustment of the control device, so that the waste of lubricating oil is reduced, the pollution to textiles caused by excessive oil quantity is reduced, the oil quantity can be accurately controlled, the shortage of the oil quantity of the rotating shuttle 14 is avoided, and the quality of embroidery is improved; the control device controls the electromagnetic valve 22 to be switched on and off, so that a user can accurately control the single supply time of the lubricating oil, oil can be supplemented and supplied in time when the oil quantity is insufficient, and the oil quantity supply interval can be controlled simultaneously, thereby being beneficial to reducing unnecessary waste; the oil can be added to the rotating shuttle 14 without stopping the machine, so that the equipment damage caused by insufficient lubrication of the rotating shuttle 14 is reduced, the wire breakage rate is reduced, the high-efficiency work of the equipment is ensured, and the product quality is improved; the liquid lubricating oil is converted into mist, so that the contact area of lubrication of the rotating shuttle 14 is increased, and the running performance of the rotating shuttle 14 is improved.

Preferably, a filtering device for filtering debris generated by friction is arranged at an air pipe between the oil feeder 23 and the oil transfer hole 112. Debris carried in lubricating oil at the matching part of the rotating shuttle rotating shaft 13 and the rotating shuttle shaft sleeve 12 is filtered, and the blockage of an oil path is avoided. The preferable filter equipment comprises a filter screen radially arranged in the air pipe and a chip storage body located on one side, close to the oil conveying hole 112, of the filter screen, the chip storage body protrudes out of the air pipe, the end of the chip storage body is provided with a disassembly cap detachably connected with the chip storage body, a chip suction magnet is arranged in the chip storage body, the preferable chip suction magnet is fixedly connected with the disassembly cap, and when the disassembly cap is disassembled conveniently, the chip suction magnet is taken out so that chips can be cleaned.

Alternatively, the oil feeder 23 is a manual adjustment oil feeder having an oil amount adjusting knob provided at the top thereof. The oil mass knob makes things convenient for operating personnel to operate, provides lubricating oil according to the volume. Specifically, a GL series oil feeder available from alder corporation, such as an oil feeder dripping device disclosed in publication No. CN2823769Y, may be used.

Optionally, the oil feeder 23 is a valve type oil feeder, which is electrically connected to the control device. When the lubricating oil supplying device is in operation, an operator outputs control parameters through the control device, and the device adopting any one of electric, hydraulic, pneumatic or electromagnetic driving modes controls the movement of the valve core according to the control parameters, so that quantitative lubricating oil can be conveniently supplied when needed, and the operation burden of the operator is reduced. Preferably, valve oil feeder 23 is a solenoid valve oil feeder.

Optionally, the air source processor 21 is an air source processor 21 with adjustable air pressure and capable of generating negative pressure, so that the air supply pressure which is in line with the actual application condition and has small oil supply amount can be conveniently adjusted; the negative air pressure can be generated, so that the residual water droplet-shaped lubricating oil in the air pipe can be sucked back to the oil feeder 23, the air mist-shaped lubricating oil can be prevented from being blocked, and the lubricating oil in the air pipe can be fully reused.

further, the air source processor 21 is an air source processor with an output air pressure of 0.4MPa, and the air source processor can be selected from GFR300-10 air source processors of Sudoku. Tests prove that under the air pressure value, normal operation of embroidery threads is guaranteed, oil is saved, generally, one-time sufficient lubrication of the rotating shuttle 14 can be met by controlling the oil feeder 23 to supply 0.03 g of oil once, when the air pressure is 0.3MPa, one-time lubrication of the rotating shuttle 14 can be met by supplying 0.04-0.05 g of oil once, and when the air pressure is 0.5MPa, the embroidery threads are easily floated due to air flow influence and deviate from a normal operation track, so that efficient operation of the embroidery machine is not facilitated.

The pneumatic connector 3 is excessively assembled at the bottom hole of the oil transmission hole 112, and the air pipe is matched with the pneumatic connector 3 and detachably connected with the pneumatic connector 3. The oil transmission hole 112 and the oil supply device 2 can be conveniently detached, and cleaning and maintenance are convenient.

In conclusion, the automatic degree of the embodiment is high, the time length of single oil supply, the oil supply amount, the oil supply time interval and the oil supply times can be controlled in a non-stop state, the hand is not hurt, the quality of embroidery is not damaged, the operation is convenient, lubricating oil can fully reach the rotating shuttle, the oil consumption is saved, the maintenance and the cleaning are convenient, and the lubricating oil path is not easy to be blocked.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Claims (10)

1. An automatic lubricating device for a rotating shuttle of an embroidery machine comprises a rotating shuttle assembly and an oil supply device, wherein the rotating shuttle assembly comprises a shuttle box body, a rotating shuttle shaft sleeve, a rotating shuttle rotating shaft and a rotating shuttle, the shuttle box body is provided with a shaft sleeve hole, the rotating shuttle shaft sleeve is arranged in the shaft sleeve hole, the rotating shuttle rotating shaft is arranged in the rotating shuttle shaft sleeve in a penetrating way and is connected with the rotating shuttle shaft sleeve in a rotating matching way, one end of the rotating shuttle rotating shaft is connected with the rotating shuttle, the other end of the rotating shuttle rotating shaft is connected with the shuttle box body in a transmission way, the automatic lubricating device is characterized in that an oil conveying hole communicated with the shaft sleeve hole is arranged at the bottom of the shuttle box body, an orifice at the bottom of the oil conveying hole is communicated with the oil supply device through an air pipe, the oil supply device is an atomized lubricating oil supply device capable of providing atomized lubricating oil according to volume, an oil passing hole is arranged at the orifice at the top of the rotating shuttle shaft sleeve, a straight through hole penetrating through, the rotating shaft of the rotating shuttle is provided with a blind hole which is axially arranged, the orifice end of the blind hole is communicated with the rotating shuttle, and the blind hole is communicated with the straight through hole.

2. The automatic lubricating device for the rotating shuttle of the embroidery machine as claimed in claim 1, wherein the outer surface of the rotating shuttle rotating shaft at the matching part of the rotating shuttle rotating shaft and the rotating shuttle shaft sleeve is provided with a groove arranged around the rotating shuttle rotating shaft for one circle, and the through hole is positioned at the groove.

3. The automatic lubrication device for the rotating shuttle of the embroidery machine according to claim 1, wherein the through hole is opposite to the oil passing hole.

4. the automatic lubricating device for the rotating shuttle of the embroidery machine as claimed in claim 1, wherein the atomizing oil supply device comprises an air source processor, an electromagnetic valve, an oil feeder and a control device, the control device is electrically connected with the electromagnetic valve, and the air source processor is in conductive connection with the electromagnetic valve, the electromagnetic valve is in conductive connection with the oil feeder, and the oil feeder is in conductive connection with the oil conveying hole through air pipes in sequence.

5. The automatic lubrication device for the rotating shuttle of the embroidery machine as claimed in claim 4, wherein a filtering device for filtering debris generated by friction is provided in an air pipe between the oil feeder and the oil feed hole.

6. the automatic lubrication device for the rotating shuttle of the embroidery machine as claimed in claim 4, wherein said oil feeder is a manual adjustment oil feeder having an oil amount adjusting knob provided on the top thereof.

7. The automatic lubrication device for the rotating shuttle of the embroidery machine as claimed in claim 4, wherein said oil feeder is a valve type oil feeder, and said valve type oil feeder is electrically connected with said control device.

8. The automatic lubrication device for the rotating shuttle of the embroidery machine as claimed in claim 4, wherein said air source processor is an air source processor which is adjustable in air pressure and capable of generating negative pressure.

9. The automatic lubrication device for the rotating shuttle of the embroidery machine as claimed in claim 4, wherein said air source processor is an air source processor with an output air pressure of 0.4 MPa.

10. The automatic lubricating device for the rotating shuttle of the embroidery machine as claimed in claim 1, wherein a pneumatic connector is excessively assembled at the bottom orifice of the oil delivery hole, and the air pipe is detachably connected with the pneumatic connector in a matching manner.