CN115789481A - Lubricating system, injection molding machine and control method of lubricating system - Google Patents
Lubricating system, injection molding machine and control method of lubricating system Download PDFInfo
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- CN115789481A CN115789481A CN202211685082.9A CN202211685082A CN115789481A CN 115789481 A CN115789481 A CN 115789481A CN 202211685082 A CN202211685082 A CN 202211685082A CN 115789481 A CN115789481 A CN 115789481A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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Abstract
The invention provides a lubricating system, an injection molding machine and a control method of the lubricating system, wherein the lubricating system comprises: a grease pump; the lubricating oil paths are connected in parallel with the grease pump, at least part of the lubricating oil paths are provided with switch control valves and first distributors, inlets of the switch control valves are communicated with the grease pump, outlets of the switch control valves are communicated with inlets of the first distributors, and outlets of the first distributors are configured to be opposite to the lubricating point; and the controller is in communication connection with the grease pump and the switch control valve, and is configured to control the grease pump to start and stop and control the switch control valve to conduct or block the corresponding lubricating oil path according to the lubricating period of each lubricating oil path. According to the invention, oil supply to a plurality of lubricating oil paths is realized through one grease pump, and the controller controls the start and stop of the grease pump and controls the switch control valve to conduct or block the corresponding lubricating oil path according to the lubricating period of each lubricating oil path, so that accurate control of each lubricating oil path is realized.
Description
Technical Field
The invention relates to the field of injection molding machines, in particular to a lubricating system, an injection molding machine and a control method of the lubricating system.
Background
The traditional lubricating system of the injection molding machine usually adopts 1 group of electric grease pumps and a plurality of groups of dispensers to lubricate a plurality of different mechanical structure parts of the machine, and because only one grease pump is adopted, the lubricating periods are the same, if the lubricating periods required by certain mechanical parts have special requirements, other lubricating pumps and pipelines can only be added to be independently controlled, extra space is occupied, the cost is increased, manpower and material resources are wasted, and the performance consistency of debugging is different.
Disclosure of Invention
The invention provides a lubricating system, an injection molding machine and a control method of the lubricating system, and aims to solve the problem that the period of the lubricating system of the existing injection molding machine can not be adjusted.
In order to solve the technical problems, the invention adopts the following technical scheme:
one aspect of the present invention provides a lubrication system for an injection molding machine, comprising:
a grease pump;
the lubricating oil paths are connected in parallel with the grease pump, at least part of the lubricating oil paths are provided with switch control valves and first distributors, inlets of the switch control valves are communicated with the grease pump, outlets of the switch control valves are communicated with inlets of the first distributors, and outlets of the first distributors are configured to be arranged opposite to the lubricating point;
the controller is in communication connection with the grease pump and the switch control valve, and the controller is configured to control the grease pump to start and stop according to the lubrication period of each lubrication oil path and control the switch control valve to conduct or block the corresponding lubrication oil path.
In one aspect of the present invention, the plurality of lubrication oil passages include at least one conventional lubrication period oil passage and at least one special lubrication period oil passage, a lubrication period of the special lubrication period oil passage is different from a lubrication period of the conventional lubrication period oil passage, wherein,
the special lubricating period oil circuit is provided with the switch control valve and the first distributor;
and the conventional lubricating period oil circuit is provided with a second distributor, an inlet of the second distributor is communicated with the grease pump, and an outlet of the second distributor is configured to be opposite to the lubricating point.
In an embodiment of the invention, at least one of the oil passages with the special lubrication cycle is provided with a plurality of the first distributors with the same lubrication cycle.
In one embodiment of the present invention, a flow divider is further disposed on the oil path in the special lubrication cycle in which the plurality of first distributors are disposed, an inlet of the flow divider is communicated with an outlet of the on-off control valve, and an outlet of the flow divider is communicated with the plurality of first distributors in a one-to-one correspondence manner.
In one technical scheme of the invention, a pressure switch is also connected in series on the oil circuit in the longest oil circuit in the conventional lubrication period, and the pressure switch can be used for monitoring the pressure value of the lubrication system.
In one embodiment of the present invention, the outlet of the pressure switch is communicated with one or more second distributors.
In an aspect of the present invention, the lubrication system further includes:
the temperature sensor is configured to monitor the temperature of the workpiece corresponding to each lubricating point;
a pressure sensor configured to monitor a pressure of each of the first dispensers and each of the second dispensers;
the processor is in communication connection with the controller, the temperature sensor and the pressure sensor, and is configured to acquire a production cycle, the number of times of work of each lubrication point corresponding to a workpiece, and the temperature of each lubrication point corresponding to a workpiece, determine a lubrication cycle of the corresponding lubrication oil path according to one or more of the production cycle, the number of times of work of each lubrication point corresponding to a workpiece, and the temperature of each lubrication point corresponding to a workpiece, and feed back the determined lubrication cycle to the controller.
In one technical scheme of the invention, the switch control valve comprises an electromagnetic directional valve, the electromagnetic directional valve is provided with an A port, a B port, a P port and a T port, the P port is used as an inlet and communicated with the grease pump, the A port is used as an outlet and communicated with the first distributor, plugs are arranged on the B port and the T port, and the controller is configured to control a valve core of the electromagnetic directional valve to move between the A port and the B port.
The present invention also provides an injection molding machine comprising:
a plurality of lubrication points;
the lubrication system according to any of the preceding claims, wherein the outlet of the first distributor of the lubrication system is arranged opposite to the lubrication point.
The invention also provides a control method of the lubricating system, which is suitable for the lubricating system according to any one of the technical schemes, and comprises the following steps:
obtaining the lubrication period of each lubrication oil way;
and controlling the start and stop of the grease pump and controlling the switch control valve to conduct or plug the corresponding lubricating oil way according to the obtained lubricating period.
The lubricating system provided by the invention has the advantages that the oil supply to the plurality of lubricating oil paths is realized through one grease pump, the number of the grease pumps is saved, the cost and the control difficulty of the system are reduced, in addition, at least part of the lubricating oil paths in the plurality of lubricating oil paths are provided with the switch control valve and the first distributor, the switch control valve can conduct or block the lubricating oil path where the switch control valve is positioned, so that the lubricating oil path where the switch control valve is positioned can be conducted through lubricating oil, the lubricating oil path where the switch control valve is positioned is blocked by the switch control valve, the lubricating oil path where the switch control valve is positioned does not pass through the lubricating oil, the controller controls the grease pump to start and stop according to the lubricating period of each lubricating oil path and controls the switch control valve to conduct or block the corresponding lubricating oil path, the lubricating points can be lubricated in different lubricating periods, the accurate control of each lubricating oil path is realized, and the condition of excessive lubrication or insufficient lubrication is avoided.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the invention, as claimed.
Drawings
The above and other objects, features and advantages of the present invention will become more apparent by describing in detail exemplary embodiments thereof with reference to the attached drawings.
Fig. 1 is a schematic configuration diagram of a lubrication system according to an embodiment of the present invention.
The reference numerals are explained below:
100. electric grease; 210. a first three-way valve; 220. a second three-way valve; 230. a third three-way valve; 240. a fourth three-way valve; 250. a fifth three-way valve; 260. a sixth three-way valve; 300. a pressure gauge; 400. an electromagnetic directional valve; 510. a split flow distributor; 520. a two-plate distributor; 530. injecting a second on-board dispenser; 540. an injector head plate dispenser; 550. a first tailboard on-board dispenser; 560. a second tailgate on-board dispenser; 570. a tail plate front side distributor; 580. a tail plate rear side distributor; 600. and (6) a pressure switch.
Detailed Description
While this invention is susceptible of embodiment in different forms, there is shown in the drawings and will herein be described in detail, specific embodiments thereof with the understanding that the present description is to be considered as an exemplification of the principles of the invention and is not intended to limit the invention to that as illustrated.
Thus, a feature indicated in this specification will serve to explain one of the features of one embodiment of the invention and does not imply that every embodiment of the invention must have the explained feature. Further, it should be noted that this specification describes many features. Although some features may be combined to show a possible system design, these features may also be used in other combinations not explicitly described. Thus, the combinations illustrated are not intended to be limiting unless otherwise specified.
In the embodiments shown in the drawings, the directions such as up, down, inner, outer, left, right, front, rear, etc. are used for explaining the structure and operation of various components of the present invention not absolutely but relatively. These illustrations are appropriate when these components are in the positions shown in the figures. If the description of the positions of these components changes, the indication of these directions changes accordingly.
Example embodiments will now be described more fully with reference to the accompanying drawings. Example embodiments may, however, be embodied in many different forms and should not be construed as limited to the examples set forth herein; rather, these example embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of example embodiments to those skilled in the art. The drawings are merely schematic illustrations of the invention and are not necessarily drawn to scale. The same reference numerals in the drawings denote the same or similar parts, and thus their repetitive description will be omitted.
The preferred embodiments of the present invention will be further described in detail below with reference to the accompanying drawings.
As shown in fig. 1, an embodiment of an aspect of the present invention provides a lubrication system for an injection molding machine, the lubrication system including a grease pump, a plurality of lubrication lines, and a controller.
The lubricating oil paths are connected in parallel with the grease pump, at least part of the lubricating oil paths are provided with switch control valves and first distributors, inlets of the switch control valves are communicated with the grease pump, outlets of the switch control valves are communicated with inlets of the first distributors, and outlets of the first distributors are configured to be opposite to the lubricating point.
The controller is in communication connection with the grease pump and the switch control valve, and the controller is configured to control the grease pump to start and stop according to the lubricating period of each lubricating oil 5 ways and control the switch control valve to conduct or block the corresponding lubricating oil way.
The lubricating system provided by the invention has the advantages that the oil supply to the plurality of lubricating oil paths is realized through one grease pump, the number of the grease pumps is saved, the cost and the control difficulty of the system are reduced, in addition, at least part of the lubricating oil paths in the plurality of lubricating oil paths are provided with the switch control valves and the first distributors, and the switch control valves can be conducted or connected
The lubricating oil path where the oil pump is located is plugged, so that the lubricating oil path where the oil pump is located is conducted when the on-off control valve is used, the lubricating oil path where the oil pump is located can pass through lubricating oil, and the lubricating oil path where the oil pump is located is plugged when the on-off control valve is used for enabling the lubricating oil path where the oil pump is located to pass through the lubricating oil
The controller controls the oil pump to start and stop according to the lubricating period of each lubricating oil path and controls the switch control valve to conduct or block the corresponding lubricating oil path without lubricating oil, so that different lubricating points can be lubricated in different lubricating periods, accurate control over each lubricating oil path is realized, and the condition of excessive lubrication or insufficient lubrication is avoided.
In some embodiments, the plurality of lubrication oil paths include at least one conventional lubrication period oil path and at least one 5 special lubrication period oil paths, the lubrication period of the special lubrication period oil path is different from the lubrication period of the conventional lubrication period oil path, and in more detail, the lubrication oil path corresponding to the lubrication point having the relatively most frequent lubrication period, such as the one having the relatively most frequent operation and the relatively fast temperature rise operation, may be used as the conventional lubrication period oil path, and the other lubrication points having the relatively infrequent lubrication period may be used as the special lubrication period oil path.
Wherein, the special lubrication period oil circuit is provided with a switch control valve and a first distributor, the conventional lubrication period 0 oil circuit is provided with a second distributor, the inlet of the second distributor is communicated with the grease pump, and the outlet of the second distributor
Is configured to be disposed opposite to the lubrication point position.
Therefore, the lubricating system takes the lubricating period of the oil circuit in the conventional lubricating period as a reference, the controller only needs to control the on-off of the oil circuit in the special lubricating period, the step of controlling the on-off of the oil circuit in the conventional lubricating period by a control valve is omitted, the control complexity of the controller is reduced, and the control precision of the controller is improved.
5 in some embodiments, at least one special lubrication cycle oil circuit is provided with a plurality of first distributors having the same lubrication cycle. Therefore, the first distributors with the same lubricating period in the special lubricating period are arranged on the same special lubricating period oil way and are uniformly controlled by the switch controller of the special lubricating period oil way, so that the control complexity of the controller is further reduced, and the control precision of the controller is improved.
In some embodiments, a flow divider, for example a three-way valve, is also provided on the oil circuit of the particular lubrication cycle in which the first plurality of distributors are provided. The inlet of the flow divider is communicated with the outlet of the switch control valve, and the outlet of the flow divider is communicated with the first distributors in a one-to-one correspondence mode. The first distributors with the same lubricating periods are connected in parallel through the flow divider, the consistency of oil pressure of each first distributor is further guaranteed, the oil inlet amount of each first distributor is guaranteed, and the oil inlet amount accuracy of each first distributor is higher.
Of course, in other embodiments, the first distributors with the same lubrication cycle in a special lubrication cycle may also be arranged to be connected in series, so that the arrangement of the flow divider is omitted, the cost is saved, and the assembly of the oil path is more convenient.
In some embodiments, the pressure switch 600 is further connected in series on the oil path in the longest oil path in the conventional lubrication period, the pressure switch 600 can be used for monitoring the pressure value of the lubrication system, the oil path in the longest oil path in the conventional lubrication period is more likely to find the conditions of pressure loss and current interruption, the pressure switch 600 is arranged on the oil path in the longest oil path in the conventional lubrication period, the conditions of pressure loss and current interruption of the lubrication system are monitored, the monitoring result is more accurate, and the controller can conveniently determine the conditions of pressure loss and current interruption of the lubrication system in time according to the monitoring result of the pressure switch 600 and adjust the pressure switch 600 in time.
Further, the outlet of the pressure switch 600 is communicated with one or more second distributors, for example, when the outlet of the pressure switch 600 is communicated with a plurality of second distributors, the plurality of second distributors may be connected in series in sequence, or the outlet of the pressure switch 600 may be provided to be communicated with a flow divider, and the plurality of second distributors are connected in parallel to the flow divider, so that a lubricating point is also provided after the pressure switch 600 to prevent grease from depositing and aging.
In certain embodiments, the lubrication system further includes a temperature sensor, a pressure sensor, and a processor. The temperature sensor is configured to monitor the temperature of the workpiece corresponding to each lubricating point, the pressure sensor is configured to monitor the pressure of each first distributor and each second distributor, the processor is in communication connection with the controller, the temperature sensor and the pressure sensor, and the processor is configured to acquire the production period, the working times of the workpiece corresponding to each lubricating point and the temperature of the workpiece corresponding to each lubricating point, determine the lubricating period of the corresponding lubricating oil path according to one or more of the production period, the working times of the workpiece corresponding to each lubricating point and the temperature of the workpiece corresponding to each lubricating point, and feed the determined lubricating period back to the controller.
Therefore, the lubricating system can determine the lubricating period of the corresponding lubricating oil circuit according to one or more of the production period of each lubricating oil circuit, the working times of the corresponding workpiece of each lubricating point and the temperature of the corresponding workpiece of each lubricating point, the accuracy of determining the lubricating period is higher, the accurate control of each lubricating oil circuit is realized, and the condition of excessive lubrication or insufficient lubrication is avoided.
In some embodiments, the switching control valve includes a solenoid directional valve 400, the solenoid directional valve 400 has a port a, a port B, a port P, and a port T, wherein the port P is communicated with the grease pump as an inlet, the port a is communicated with the first distributor as an outlet, plugs are disposed on the port B and the port T, and the controller is configured to control a valve element of the solenoid directional valve 400 to move between the port a and the port B. Thus, when the controller valve control core moves to the first position for communicating the port A, the port P and the port A are communicated, the lubricating oil path where the electromagnetic directional valve 400 is located is communicated, lubricating oil can be supplied to the corresponding distributor through the port P and the port A, when the controller valve control core moves to the second position for plugging the port A, the port P and the port A are plugged, the lubricating oil path where the electromagnetic directional valve 400 is located is plugged, the lubricating oil cannot be supplied to the corresponding distributor, the lubricating oil path is cut off, and the control is simpler and more accurate.
In some embodiments, the dispenser is a metered dispenser, and further, the dispenser is a progressive metered dispenser, such that the oil output from each outlet of the dispenser is more accurate and the lubrication is more precise.
Furthermore, a corresponding quantitative measuring meter is arranged at each outlet of the progressive quantitative distributor and is used for detecting the oil outlet quantity of each outlet of the progressive quantitative distributor, and the accurate control of the oil outlet quantity is further improved.
The invention also provides an injection molding machine comprising a plurality of lubricating points and the lubricating system of any of the preceding embodiments, the outlet of the first distributor of the lubricating system being located opposite the lubricating points.
The injection molding machine provided by the invention has the advantages that the oil supply to the plurality of lubricating oil paths is realized through one grease pump, the number of the grease pumps is saved, the cost of the system is reduced, and the control difficulty is reduced.
Description of a specific embodiment
The multiple lubricating points of the injection molding machine at least comprise two plates, an injection two plate, an injection head plate, a tail plate, a tail plate front side and a tail plate rear side.
The lubrication system comprises electric grease 100, a first three-way valve 210, a second three-way valve 220, a third three-way valve 230, a fourth three-way valve 240, a fifth three-way valve 250, a sixth three-way valve 260, a pressure gauge 300, an electromagnetic directional valve 400, a flow dividing distributor 510, a two-plate distributor 520, a two-plate injection distributor 530, a two-plate injection distributor 540, a first tail plate distributor 550, a second tail plate distributor 560, a tail plate front side distributor 570, a tail plate rear side distributor 580 and a pressure switch 600.
An outlet of the electric grease 100 pump is communicated with an inlet of the first three-way valve 210, one outlet of the first three-way valve 210 is communicated with the pressure gauge 300, the pressure gauge 300 is used for detecting the pressure of the electric grease 100 pump, and the other outlet of the first three-way valve 210 is communicated with an inlet of the shunt distributor 510.
The split flow distributor 510 has an inlet and three outlets, wherein one outlet of the split flow distributor 510 is in communication with the inlet of the second three-way valve 220, one outlet of the second three-way valve 220 is in communication with the inlet of the two-plate distributor 520, the two-plate distributor 520 has ten outlets corresponding to ten lubricating points on the two plates of the injection molding machine;
the other outlet of the second three-way valve 220 is communicated with the inlet of a pressure switch 600, the outlet of the pressure switch 600 is communicated with the inlet of a distributor 530 on the injection second plate, the distributor 530 on the injection second plate is provided with six outlets, and the six outlets correspond to six lubricating points on the injection second plate of the injection molding machine;
the other outlet of splitter distributor 510 communicates with the inlet of a tailgate back distributor 580, tailgate back distributor 580 having five outlets, four of which correspond to four lubrication points on the tailgate back side of the injection molding machine, the other outlet communicating with the inlet of a first tailgate plate on distributor 550, first tailgate plate on distributor 550 having nine outlets, eight of which correspond to eight lubrication points on a first tailgate plate of the injection molding machine, the other outlet communicating with the inlet of a tailgate front distributor 570, tailgate front distributor 570 having four outlets, corresponding to four lubrication points on the tailgate front side of the injection molding machine;
in the above, the second three-way valve 220, the on-board distributor 520, the pressure switch 600, the on-injection-board distributor 530, the on-first-tail-board distributor 550, the front-tail-board distributor 570, and the rear-tail-board distributor 580 are formed as a plurality of parallel conventional lubrication cycle oil paths, the on-board distributor 520, the on-injection-board distributor 530, the on-first-tail-board distributor 550, the front-tail-board distributor 570, and the rear-tail-board distributor 580 are formed as the second distributors of the conventional lubrication cycle oil paths described above, the respective lubrication cycles of the plurality of conventional lubrication cycle oil paths coincide, but the oil output amount of each lubrication point may be set by the respective second distributors.
Another outlet of the diversion distributor 510 is connected to the port P of the electromagnetic directional valve 400, the port a of the electromagnetic directional valve 400 is communicated with the inlet of the third three-way valve 230, one outlet of the third three-way valve 230 is communicated with the inlet of the fourth three-way valve 240, one outlet of the fourth three-way valve 240 is blocked, the other outlet is communicated with the inlet of the distributor 540 on the head plate, the distributor 540 on the head plate has four outlets, two of the outlets correspond to two lubricating points on the head plate of the injection molding machine, the other two outlets are communicated with the fifth three-way valve 250 and the sixth three-way valve 260 one-to-one, two of the outlets of the fifth three-way valve 250 correspond to the other two lubricating points on the head plate of the injection molding machine, and two of the outlets of the sixth three-way valve 260 correspond to the other two lubricating points on the head plate of the injection molding machine, so that the number of outlets of the distributor 540 on the head plate is increased by the arrangement of the fifth three-way valve 250 and the sixth three-way valve 260, which can correspond to more lubricating points;
the other outlet of the third three-way valve 230 is communicated with the inlet of the second tailgate on-board distributor 560, and the second tailgate on-board distributor 560 has eight outlets corresponding to eight lubricating points on the second tailgate board of the injection molding machine;
in the above, the electromagnetic directional valve 400, the third three-way valve 230, the fourth three-way valve 240, the head plate distributor 540, the fifth three-way valve 250, the sixth three-way valve 260, and the second tail plate distributor 560 are formed as two parallel special lubrication period oil paths, the electromagnetic directional valve 400 is formed as the on-off control valve of the special lubrication period oil path, the head plate distributor 540 and the second tail plate distributor 560 are formed as the first distributor of the special lubrication period oil path, and the lubrication periods of the two parallel special lubrication period oil paths are identical, but the oil output of each lubrication point may be quantitatively set by the respective second distributor, and a controller controls the on-off distribution of the electromagnetic directional valve 400 to realize the lubrication period of the special lubrication period oil path different from the conventional lubrication period oil path.
The invention also provides a control method of the lubricating system, which is suitable for the lubricating system of any one of the embodiments, and comprises the following steps:
acquiring the lubrication period of each lubrication oil path;
and controlling the start and stop of the grease pump and controlling the switch control valve to conduct or plug the corresponding lubricating oil way according to the obtained lubricating period.
While the present application has been described with reference to several exemplary embodiments, it is understood that the terminology used is intended to be in the nature of words of description and illustration, rather than of limitation. As the present application may be embodied in several forms without departing from the spirit or essential characteristics thereof, it should also be understood that the above-described embodiments are not limited by any of the details of the foregoing description, but rather should be construed broadly within its spirit and scope as defined in the appended claims, and therefore all changes and modifications that fall within the meets and bounds of the claims, or equivalences of such meets and bounds are therefore intended to be embraced by the appended claims.
Claims (10)
1. A lubrication system for an injection molding machine, comprising:
a grease pump;
the lubricating oil paths are connected in parallel with the grease pump, at least part of the lubricating oil paths are provided with switch control valves and first distributors, inlets of the switch control valves are communicated with the grease pump, outlets of the switch control valves are communicated with inlets of the first distributors, and outlets of the first distributors are configured to be arranged opposite to the lubricating point;
the controller is in communication connection with the grease pump and the switch control valve, and the controller is configured to control the grease pump to start and stop according to the lubrication period of each lubrication oil path and control the switch control valve to conduct or block the corresponding lubrication oil path.
2. The lubrication system of claim 1,
the plurality of lubrication oil passages include at least one regular lubrication period oil passage and at least one special lubrication period oil passage, a lubrication period of the special lubrication period oil passage being different from a lubrication period of the regular lubrication period oil passage, wherein,
the special lubricating period oil way is provided with the switch control valve and the first distributor;
the conventional lubricating period oil circuit is provided with a second distributor, an inlet of the second distributor is communicated with the grease pump, and an outlet of the second distributor is configured to be opposite to the lubricating point.
3. The lubrication system of claim 2,
at least one special lubricating period oil circuit is provided with a plurality of first distributors with the same lubricating period.
4. The lubrication system of claim 3,
the oil way of the special lubrication period provided with the first distributors is also provided with a flow divider, an inlet of the flow divider is communicated with an outlet of the switch control valve, and an outlet of the flow divider is communicated with the first distributors in a one-to-one correspondence manner.
5. The lubrication system according to any one of claims 2 to 4,
and a pressure switch is also connected in series on the longest oil path in the conventional lubricating period, and the pressure switch can be used for monitoring the pressure value of the lubricating system.
6. The lubrication system of claim 5,
the outlet of the pressure switch is communicated with one or more second distributors.
7. The lubrication system according to any one of claims 2 to 4, further comprising:
the temperature sensor is configured to monitor the temperature of the workpiece corresponding to each lubricating point;
a pressure sensor configured to monitor a pressure of each of the first dispensers and each of the second dispensers;
the processor is in communication connection with the controller, the temperature sensor and the pressure sensor, and is configured to acquire a production cycle, the number of times of work of each lubrication point corresponding to the workpiece, and the temperature of each lubrication point corresponding to the workpiece, determine a lubrication cycle corresponding to the lubrication oil path according to one or more of the production cycle, the number of times of work of each lubrication point corresponding to the workpiece, and the temperature of each lubrication point corresponding to the workpiece, and feed the determined lubrication cycle back to the controller.
8. The lubrication system according to any one of claims 1 to 4,
the switch control valve comprises an electromagnetic directional valve, the electromagnetic directional valve is provided with an A port, a B port, a P port and a T port, the P port serves as an inlet and is communicated with the grease pump, the A port serves as an outlet and is communicated with the first distributor, plugs are arranged on the B port and the T port, and the controller is configured to control a valve core of the electromagnetic directional valve to move between the A port and the B port.
9. An injection molding machine, comprising:
a plurality of lubrication points;
the lubrication system of any one of claims 1 to 8, an outlet of a first distributor of the lubrication system being located opposite the lubrication point.
10. A control method of a lubrication system, adapted to the lubrication system according to any one of claims 1 to 8, comprising the steps of:
acquiring the lubrication period of each lubrication oil path;
and controlling the start and stop of the grease pump and controlling the switch control valve to conduct or plug the corresponding lubricating oil way according to the obtained lubricating period.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211685082.9A CN115789481A (en) | 2022-12-27 | 2022-12-27 | Lubricating system, injection molding machine and control method of lubricating system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211685082.9A CN115789481A (en) | 2022-12-27 | 2022-12-27 | Lubricating system, injection molding machine and control method of lubricating system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115789481A true CN115789481A (en) | 2023-03-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211685082.9A Pending CN115789481A (en) | 2022-12-27 | 2022-12-27 | Lubricating system, injection molding machine and control method of lubricating system |
Country Status (1)
| Country | Link |
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| CN (1) | CN115789481A (en) |
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2022
- 2022-12-27 CN CN202211685082.9A patent/CN115789481A/en active Pending
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