CN210165166U - Circulating lubrication system based on injection molding machine - Google Patents
Circulating lubrication system based on injection molding machine Download PDFInfo
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- CN210165166U CN210165166U CN201821320333.2U CN201821320333U CN210165166U CN 210165166 U CN210165166 U CN 210165166U CN 201821320333 U CN201821320333 U CN 201821320333U CN 210165166 U CN210165166 U CN 210165166U
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Abstract
The utility model discloses a circulating lubrication system based on injection molding machine, including lubricating-oil tank (20), fuel feed pump (9), mode locking lubricating structure, pull rod lubricating structure, transfer mould lubricating structure and lubricated pipeline (3), fuel feed pump (9) are followed and are extracted lubricating oil in lubricating-oil tank (20) to carry extremely through lubricated pipeline (3) mode locking lubricating structure, pull rod lubricating structure, transfer mould lubricating structure, and get back to through returning oil pipe (7) lubricating-oil tank (20), lubricating oil after the backward flow is in continue to be extracted by fuel feed pump (9) and get into circulating lubrication system in lubricating-oil tank (20). The utility model adopts the quantitative and recycling mode to lubricate the injection molding machine, improves the relevant parts, and sets up the lubricating structure in the parts, thereby greatly reducing the using amount of the lubricating oil and saving the cost of the lubricating oil; and a closed lubricating mode is adopted, so that the pollution caused by lubricating oil is reduced.
Description
Technical Field
The utility model relates to an injection molding machine technical field, specifically say that a circulating lubrication system for injection molding machine is based on circulating lubrication system of injection molding machine.
Background
In a lubricating system adopted by an injection molding machine in the prior art, lubricating oil is pumped to each lubricating part from a lubricating pump, and then directly overflows from the lubricating part and is discharged to an oil receiving disc for disposable use.
In the prior art, the using amount of lubricating oil is large, and the lubricating oil per se is used as a continuous dissipation mode. Meanwhile, after the machine is stopped, the lubricating oil can flow back and overflow, the time for the lubrication to be in place after the machine is restarted is long, the operation of the whole machine is influenced, if the machine is started in advance after the lubrication is not in place, the abrasion of the machine can be aggravated, and the service life of the machine is shortened. In the case of old equipment, the amount of the lubricating oil used must be increased in order to maintain the lubricating effect because the lubricating part is worn and the amount of the lubricating oil spilled is increased.
Moreover, the pollution to the machine body and the environment is large, and the large amount of lubricating oil is used without effective recovery measures, so that the pollution is caused, and sometimes even the product is polluted. Lubricated of machine hank department leaks out can dirty dyeing and finishing machine hank from round pin axle department, influences the outward appearance, especially fluid leaks and combines with the raw materials dust, can influence the machine hank life-span after sneaking into impurity. In recent years, the requirement of the country on environmental protection is higher and higher, and a plurality of users feed back pollution caused by the existing lubricating system, so that the requirement on environmental protection is difficult to meet, and therefore, the users also put forward new and stricter requirements on lubrication.
In addition, the whole plastic product industry is more and more competitive, the cost control of users is more and more strict, more and more users feel that the usage amount of lubricating oil is an important component of the cost, and the traditional lubricating system cannot meet the requirements of the users in the aspect of cost control.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to provide an adopt circulating lubrication's circulation lubricating system based on injection molding machine, reduced the loss of lubricating oil and reduced the pollution of lubricating oil, improved the utilization ratio of lubricating oil.
In view of this, the utility model provides a circulating lubrication system based on injection molding machine, including lubricating-oil tank, fuel feed pump, mode locking lubrication structure, pull rod lubrication structure, transfer mould lubrication structure and lubrication pipeline, the fuel feed pump draws lubricating oil from the lubricating-oil tank, and carry to the mode locking lubrication structure, pull rod lubrication structure, transfer mould lubrication structure through lubrication pipeline, and get back to the lubricating-oil tank through returning oil pipe way, the lubricating oil after the backward flow continues to be drawn into circulating lubrication system by the fuel feed pump after filtering in the lubricating-oil tank;
the pull rod lubricating structure is arranged on the movable template and the pull rod, the movable template sleeve is arranged on the pull rod, the pull rod lubricating structure comprises a first side lubricating hole, a second upper lubricating hole and a second oil guide groove which are arranged on the movable template, the second oil guide groove is respectively communicated with the first side lubricating hole and the second upper lubricating hole, the second oil guide groove is located on the inner wall of the pull rod hole of the movable template, and sealing rings are arranged at two ends of the pull rod hole of the movable template and used for sealing lubricating oil between the movable template and the pull rod.
As an improvement, the mold adjusting lubricating structure comprises a mold adjusting lubricating channel arranged between a mold adjusting gear and a pull rod thread, the mold adjusting gear is screwed on the pull rod and is arranged on the rear template, a front lubricating oil storage cavity is arranged among the mold adjusting gear, the rear template and the pull rod, a front sealing ring is arranged between the mold adjusting gear and the rear template, the rear end of the mold adjusting gear is arranged on the rear template through a fixing ring, a rear sealing ring is sleeved on the pull rod positioned at the rear end of the mold adjusting gear, and a rear lubricating oil storage cavity is formed among the rear sealing ring, the pull rod and the mold adjusting gear; transfer mould lubrication passage including set up in second side lubrication hole, the third on transferring mould gear on lubrication hole and the third lead the oil groove, the third lead the oil groove respectively with lubrication hole is linked together on second side lubrication hole, the third, just oil groove intercommunication front lubrication oil storage chamber and the lubricated oil storage chamber of back are led to the third, the oil groove is located on transferring mould gear's pull rod hole's the inner wall is led to the third.
As an improvement, the die-adjusting lubricating structure further comprises a pressure detection switch, the pressure detection switch is communicated with the front lubricating oil storage cavity or/and the rear lubricating oil storage cavity, the lubricating pipeline comprises a mould adjusting oil supplementing pipeline, when the pressure detection switch detects that the hydraulic pressure is too low, the lubricating oil is supplemented to the front lubricating oil storage cavity or/and the rear lubricating oil storage cavity through the mold adjusting oil supplementing pipeline, a controllable one-way valve and a resistance type lubricating distributor are arranged in the mould adjusting oil supplementing pipeline, the supplemented lubricating oil overcomes the initial pressure of the resistance type lubricating distributor firstly, and the oil enters the front lubricating oil storage cavity or/and the rear lubricating oil storage cavity through the controllable one-way valve, the controllable one-way valve is automatically closed after the hydraulic pressure reaches the preset pressure for a certain time, and the controllable one-way valve is opened again after the pressure is reduced, so that the control of the local lubricating flow is realized.
As an improvement, the mold adjusting lubricating structure further comprises a lubricating sprayer, the lubricating sprayer is connected to the lubricating pipeline to obtain lubricating oil, the lubricating sprayer is mounted on the rear side face of the rear template, the mold adjusting gear is meshed with the large gear and is driven by the large gear, and the lubricating sprayer is located above the large gear.
As an improvement, the lubricating oil tank comprises a first cavity and a second cavity, the circulating lubricating oil is discharged to the bottom of the first cavity through the oil return pipeline, a partition plate is arranged between the first cavity and the second cavity, holes are formed in the partition plate, the lubricating oil in the first cavity enters the second cavity through the holes, an oil suction opening of the oil outlet pipe is arranged in the second cavity, and a filter is arranged at an oil outlet.
As an improvement, the oil supply pump is connected with the lubricating pump through an oil outlet pipe, a lubricating flow distributor is arranged on the oil outlet pipe between the oil supply pump and the lubricating pump, and quantitative distributors are arranged on channels leading to the mode locking lubricating structure, the pull rod lubricating structure and the mode adjusting lubricating structure through lubricating pipelines, so that quantitative lubrication of all the lubricating structures is realized.
As an improvement, a mold adjusting oil receiving disc is arranged right below the mold adjusting lubricating structure and connected to the lower portion of the rear template, and lubricating oil sprayed out of the lubricating sprayer is recovered by the mold adjusting oil receiving disc and flows back to the lubricating oil tank through an oil return pipe.
As an improvement, the circulating lubrication system further comprises a first open lubrication system and a second open lubrication system, the first open lubrication system lubricates a sliding block between the movable template and the rack and is provided with a first oil receiving disc, and the second open lubrication system lubricates a sliding block between the injection platform and the rack and is provided with a second oil receiving disc; and the lubricating oil recovered from the first oil receiving disc and the second oil receiving disc flows back to the lubricating oil tank through the oil return pipe.
Adopt the utility model discloses, compare with prior art, have following advantage: the utility model adopts the quantitative and recycling mode to lubricate the injection molding machine, improves the relevant parts, and sets up the lubricating structure in the parts, thereby greatly reducing the using amount of the lubricating oil and saving the cost of the lubricating oil; and a closed lubricating mode is adopted, so that the pollution caused by lubricating oil is reduced.
Drawings
FIG. 1 is a schematic structural diagram of a circulating lubrication system based on an injection molding machine of the present invention;
FIG. 2 is a schematic view of a lubricating oil circulation path;
FIG. 3 is a schematic diagram of a mode-locking lubrication configuration;
FIG. 3.1 is a cross-sectional view of the mold clamping lubrication structure;
FIG. 4 is a schematic view of a pull rod lubrication configuration;
FIG. 4.1 is a cross-sectional view of the lubricating structure of the pull rod;
FIG. 5 is a schematic diagram of a die-conditioning lubrication arrangement;
FIG. 5.1 is a sectional view A-A of the die-adjusting lubricating structure;
FIG. 5.2 is a sectional view B-B of the die-adjusting lubricating structure;
FIG. 6 is a schematic view of a lubricant tank;
fig. 6.1 is a sectional view of the lubricating oil tank;
fig. 7 is a partial structural schematic diagram of a die-adjusting lubricating structure.
Shown in the figure: 1. lubricating pump, 2, quantitative distributor, 3, lubricating pipeline, 4, oil receiving disc, 5, lubricating sprayer, 6, mould adjusting and oil supplementing pipeline, 7, oil returning pipe, 8, filter, 9, oil supply pump, 10, oil outlet pipe, 11, lubricating flow distributor, 12, mould adjusting lubricating structure, 13, spray lubricator, 14, mould closing lubricating, 15, pull rod lubricating, 16, first slide block lubricating structure, 17, lubricating flow detecting module, 18, second slide block lubricating structure, 19, grease detecting structure, 20, lubricating oil tank, 21, gearwheel, 22, mould adjusting and oil receiving disc. A. The front template, B, the movable template, C, the pull rod, D, the rear template.
Detailed Description
The present invention will be further described with reference to specific examples, but the present invention is not limited to these examples.
The present invention covers any alternatives, modifications, equivalents, and alternatives falling within the spirit and scope of the invention. In the following description of the preferred embodiments of the present invention, specific details are set forth in order to provide a thorough understanding of the present invention, and it will be apparent to those skilled in the art that the present invention may be practiced without these specific details. Furthermore, the drawings of the present invention are not necessarily to scale, and are not necessarily to scale.
As shown in FIG. 1, the utility model discloses a circulating lubrication system's based on injection molding machine concrete structure is illustrated. The circulating lubrication system based on the injection molding machine is based on the injection molding machine, the injection molding machine comprises a rack, a front template A, a movable template B, a pull rod C, a rear template D and an injection platform, the front template A is arranged at one end of the pull rod C, the movable template B is sleeved in the middle of the pull rod C, the rear template D is arranged at the other end of the pull rod, and the movable template B is driven to move so as to realize opening and closing of the mold.
Circulating lubrication system based on injection molding machine includes lubricating-oil tank 20, fuel feed pump 9, mode locking lubricating structure, pull rod lubricating structure, transfers mould lubricating structure and lubricating line 3, fuel feed pump 9 draws lubricating oil from lubricating-oil tank 20 to carry to through lubricating line 3 mode locking lubricating structure, pull rod lubricating structure, transfer mould lubricating structure, and get back to through returning oil pipe lubricating tank 20, lubricating oil after the backward flow is in continue to be drawn into circulating lubrication system by fuel feed pump 9 after filtering in lubricating-oil tank 20.
The utility model discloses an above does the basic solution, the utility model discloses a circulating lubrication system based on injection molding machine still includes lubricating pump 1, ration distributor 2, lubrication pipe way 3, connects food tray 4, lubrication sprayer 5, transfers the mould to mend oil pipe line 6, returns oil pipe 7, filter 8, fuel feed pump 9, goes out oil pipe 10, lubricated flow distributor 11, transfers mould lubricating structure 12, spray lubricator 13, compound die lubricating structure 14, pull rod lubricating structure 15, first slider lubricating structure 16, lubricated flow detection module 17, second slider lubricating structure 18 and grease detection structure 19.
The lubricating pump 1 is fixed on a sheet metal part which is fixed on the rear template D or the mould adjusting mechanism and provides power for the oil outlet pipe 10, the oil supply pump 9 provides power and pumps lubricating oil stored in the filter 8 to a certain height; the lubrication proportion distributor 11 is installed between the lubrication pump 1 and the oil supply pump 9, and adjusts the size of the lubrication flow through the received signal of the lubrication flow detection module 17, thereby controlling the flow of the lubrication oil of the whole system. The mould adjusting lubricating structure 12 is located at the rear template, the mould adjusting oil supplementing pipeline 6 penetrates through the rear template and is connected with the interior of the mould adjusting lubricating structure 12, the spray lubricator 13 is installed on the rear template and is used for lubricating a gear wheel, and the oil receiving disc 4 below the spray lubricator is matched with the oil receiving disc to ensure that the machine body and the machine winch cannot be polluted on the basis of effective lubrication. And the rear template D is also provided with grease nipples 5-13, the grease nipples 5-13 are connected with the quantitative distributor 2 through the lubricating pipeline 3, and the grease nipples 5-13 are also communicated with the mould adjusting oil supplementing pipeline 6. The die assembly lubricating structure 14 is arranged between the connecting rod piece and the pin shaft, and realizes real-time lubrication updating through circulating lubrication; the pull rod lubricating structure 15 is used for lubricating between the movable die plate and the pull rod, the lubricating flow detection module 17 is located at the far end of a lubricating point and detects the lubricating flow in real time to control the overall flow, a resisting type lubricating distributor and a stop valve capable of automatically controlling the opening size are arranged at the front end of the flow detection module 17, the resisting type lubricating distributor can be preset in advance according to the pressure required by each lubricating point, namely, the initial oil pressure is set, and the phenomenon that the whole system is not lubricated in place due to local lubricating oil leakage is avoided. The lubricating flow detection module 17 detects the pressure flow of the lubricating oil, feeds the pressure flow back to the control system in real time, and controls the one-way valve to close or close the opening after the pressure reaches a set value for a period of time so as to limit the flow of the local lubricating oil and enable the whole system to be more sufficiently lubricated. The waste that the lubricating system continuously outputs because the pressure cannot be reached due to local lubricating leakage is effectively avoided, and the waste that lubricating oil is continuously injected into a part with sufficient lubrication is also effectively reduced. When the operation is performed for a period of time and the lubricating pressure detected by the lubricating flow detection module 17 is insufficient, the control system opens the check valve again to replenish oil, and the operation is repeated. The pressure required for the lubrication point is automatically adjusted. The whole system is controlled by the controller.
As shown in fig. 2, the lubricating oil circulation path of the circulation lubrication system based on the injection molding machine of the present invention is illustrated. The lubricating oil is pumped out from the lubricating oil tank after being filtered by the oil supply pump, the oil is pumped into the lubricating pump by the oil supply pump, the lubricating oil is conveyed to each lubricating part by the lubricating pump through the quantitative distributor, and the lubricating oil enters the lubricating oil tank through the oil return pipe.
As shown in fig. 3, the mode-locking lubrication structure is illustrated. The mold locking lubricating structure is arranged on a hinge pair of the mold locking mechanism, the mold locking mechanism is a mold closing mechanism, the hinge pair comprises a hinge 3-1 and a rotating shaft 3-3, the hinge 3-1 and the rotating rod 3-3 rotate mutually when the mould is opened and closed, the mould locking lubricating structure comprises a lower lubricating hole 3-5, a first upper lubricating hole 3-6 and a first oil guide groove 3-7 which are arranged on a hinge 3-1, the first oil guide grooves 3-7 are respectively communicated with the lower lubricating hole 3-5 and the first upper lubricating hole 3-6, the first oil guide groove 3-7 is positioned on the inner wall of the shaft hole of the hinge 3-1, sealing rings 3-4 are arranged at two ends of the shaft hole of the hinge 3-1 and used for sealing lubricating oil between the hinge 3-1 and the rotating shaft 3-3. The hinge is characterized in that a copper sleeve 3-2 is arranged in a shaft hole of the hinge 3-1, the copper sleeve 3-2 is installed on the hinge 3-1, the copper sleeve 3-2 and the hinge 3-1 are in interference fit, the copper sleeve 3-2 is prevented from falling off from the hinge 3-1, sealing grooves are formed in the inner sides of two ends of the copper sleeve 3-2, the rotating shaft is inserted into the copper sleeve 3-2 after a sealing ring 3-4 is installed, the copper sleeve 3-2 and the rotating shaft 3-3 are in clearance fit, the copper sleeve 3-2 can easily rotate, and sealing can be achieved through the sealing rings at two ends. Lubricating oil enters from the lower lubricating holes 3-5 and exits from the first upper lubricating holes 3-6 through the first oil guide grooves 3-7, and the first oil guide grooves 3-7 are filled with the lubricating oil all the time under the action of gravity, so that the rotating shaft and the copper sleeve can be fully lubricated during rotation.
As shown in fig. 4, the pull rod lubrication structure is illustrated. The pull rod lubricating structure is arranged on the movable template B and the pull rod C, the movable template B is sleeved on the pull rod C, the pull rod lubricating structure comprises a first side lubricating hole 4-5, a second upper lubricating hole 4-6 and a second oil guide groove 4-7 which are arranged on the movable template B, the second oil guide groove 4-7 is respectively communicated with the first side lubricating hole 4-5 and the second upper lubricating hole 4-6, the second oil guide groove 4-7 is located on the inner wall of the pull rod hole of the movable template B, and sealing rings 4-4 are arranged at two ends of the pull rod hole of the movable template B and used for sealing lubricating oil between the movable template B and the pull rod C. The copper sleeve 4-2 is arranged in the pull rod hole of the movable template B, the copper sleeve 4-2 and the movable template B are in interference fit, the copper sleeve 4-2 is prevented from falling off from the movable template B, the sealing grooves 4-4 are formed in the inner sides of the two ends of the copper sleeve 4-2, the pull rod C is inserted into the copper sleeve 4-2 after the sealing ring 4-4 is installed, and the copper sleeve 4-2 and the pull rod C are in clearance fit, can slide easily and can be sealed through the sealing rings at the two ends. Lubricating oil enters from the first side lubricating hole 4-5 and exits from the second upper lubricating hole 4-6 through the second oil guide groove 4-7, and the second oil guide groove 4-7 is filled with the lubricating oil all the time under the action of gravity, so that the pull rod C and the copper sleeve 4-2 can be fully lubricated during sliding.
As shown in fig. 5, the die-adjusting lubrication structure is illustrated. The die adjusting lubricating structure comprises a die adjusting lubricating channel arranged between a die adjusting gear 5-5 and a pull rod thread, the die adjusting gear 5-5 is screwed on a pull rod C and arranged on a rear template D, a front lubricating oil storage cavity is arranged among the die adjusting gear 5-5, the rear template D and the pull rod C, a front sealing ring 5-6 is arranged between the die adjusting gear 5-5 and the rear template D, the rear end of the die adjusting gear 5-5 is arranged on the rear template D through a fixing ring 5-3, a rear sealing ring 5-2 is sleeved on the pull rod C positioned at the rear end of the die adjusting gear 5-5, and a rear lubricating oil storage cavity is formed among the rear sealing ring 5-2, the pull rod C and the die adjusting gear 5-5; the mold adjusting lubricating channel comprises a second side lubricating hole 5-7, a third upper lubricating hole 5-10 and a third oil guiding groove 5-11 which are arranged on a mold adjusting gear 5-5, the third oil guiding groove 5-11 is respectively communicated with the second side lubricating hole 5-7 and the third upper lubricating hole 5-10, the third oil guiding groove 5-11 is communicated with a front lubricating oil storage cavity and a rear lubricating oil storage cavity, and the third oil guiding groove 5-11 is positioned on the inner wall of a pull rod hole of the mold adjusting gear 5-5.
The front sealing ring 5-6 is fixed on the rear template D by adopting bolts, the die adjusting gear 5-5 is screwed into the pull rod through threads until the pull rod touches the front sealing ring 5-6, the lining ring 5-4 is sleeved on the die adjusting gear 5-5, the fixing ring 5-3 is fixed on the rear template D through a support and bolts and can compress the sealing ring on the lining ring 5-4 without influencing the rotation of the die adjusting gear 5-5, the rear sealing ring 5-2 is fixed on the die adjusting gear 5-5 through bolts, three sealing grooves are arranged on the rear sealing ring 5-2 and are respectively rubber sealing, mechanical sealing and sticky sealing, thereby effectively preventing lubricating oil from flowing out from the tail end of the pull rod, the fixing ring, the lining ring and the die adjusting gear are provided with the sealing ring in front, and the whole die adjusting lubricating system forms a front sealed lubricating oil storage cavity and a rear sealed lubricating oil storage, the middle of the die adjusting gear is provided with four oil guide grooves which enable two lubricating oil cavities to be communicated, the die adjusting gear and the pull rod can be fully lubricated during die adjustment, lubricating oil enters from a side lubricating hole and exits from an upper lubricating hole, and the two storage cavities are ensured to be filled with the lubricating oil all the time.
The mould-adjusting lubricating structure further comprises a pressure detection switch 5-8, the pressure detection switch 5-8 is communicated with the front lubricating oil storage cavity or/and the rear lubricating oil storage cavity, the lubricating pipeline comprises a mould-adjusting oil-supplementing pipeline 6, and when the pressure detection switch 5-8 detects that the hydraulic pressure is too low, the lubricating oil is supplemented to the front lubricating oil storage cavity or/and the rear lubricating oil storage cavity through the mould-adjusting oil-supplementing pipeline 6. A controllable one-way valve and a resistance type lubricating distributor are arranged in the mold adjusting oil supplementing pipeline 6, supplemented lubricating oil overcomes the initial pressure of the resistance type lubricating distributor firstly and enters the front lubricating oil storage cavity or/and the rear lubricating oil storage cavity through the controllable one-way valve, the hydraulic pressure applied to the controllable one-way valve is automatically closed after reaching the preset pressure for a certain time, and the controllable one-way valve is opened again after the pressure is reduced so as to realize the control of local lubricating flow.
As shown in fig. 6, a specific structure of the lubricating oil tank is illustrated. The lubricating oil tank comprises a first cavity Q1 and a second cavity Q2, the lubricating oil after circulating is discharged to the bottom of the first cavity Q1 through the oil return pipeline, a partition plate is arranged between the first cavity Q1 and the second cavity Q2, holes are formed in the partition plate, the lubricating oil in the first cavity enters the second cavity through the holes, an oil suction port of the oil outlet pipe is arranged in the second cavity, and a filter is arranged at an oil outlet. Lubricating oil is directly arranged to the bottom of first cavity Q1 by the oil inlet pipe, be favorable to the impurity of lubricating oil to deposit in first cavity Q1, get into second cavity Q2 through the hole on the baffle 6-7, the hole is 20mm from the oil tank bottom, can prevent effectively that the impurity that first cavity Q1 precipitated from getting into second cavity Q2, go out oil pipe 10 oil suction opening and apart from the oil tank bottom 40mm, and install filter 8 additional, guarantee can not absorb the sedimentary impurity in oil tank bottom, liquid level alarm 6-4 alarm position is apart from the oil tank bottom 50mm, can prevent effectively that the fuel feeding pump from empty sucking. The top of the oil tank is provided with a breathing port 6-5 which can balance the internal and external pressure of the oil tank and protect the rear oil supply pump. An oil tank cover 6-3 and a breathing port 6-5 are arranged at the upper part of the lubricating oil tank 20, the first chamber Q1 is connected with an oil return pipe 7, and the end part of the oil outlet pipe 10 is connected with a filter 8.
As shown in fig. 1 and 7, a partial structure of the die-adjusting lubricating structure is illustrated. The mould adjusting lubricating structure further comprises a lubricating sprayer 13, the lubricating sprayer 13 is connected into the lubricating pipeline to obtain lubricating oil, the lubricating sprayer 13 is installed on the rear side face of the rear template, the mould adjusting gears 5-5 are meshed with the large gear 21 and driven by the large gear 21, and the lubricating sprayer 13 is located above the large gear 21.
The oil supply pump 9 is connected with the lubricating pump 1 through an oil outlet pipe 10, a lubricating flow distributor 11 is arranged on the oil outlet pipe 10 between the oil supply pump 9 and the lubricating pump 1, and a quantitative distributor 2 is arranged on a channel of the lubricating pipeline 3 leading to the mode locking lubricating structure, the pull rod lubricating structure and the mode adjusting lubricating structure, so that quantitative lubrication of each lubricating structure is realized.
A mold adjusting oil receiving disc 22 is arranged right below the mold adjusting lubricating structure and connected to the lower portion of the rear template, and lubricating oil sprayed out of the lubricating sprayer 13 is recovered by the mold adjusting oil receiving disc 22 and flows back to the lubricating oil tank through an oil return pipe.
The circulating lubrication system further comprises a first open lubrication system and a second open lubrication system, the first open lubrication system lubricates the sliding block between the movable template and the rack (realized by a second sliding block lubrication structure 18) and is provided with a first oil receiving disc, and the second open lubrication system lubricates the sliding block between the injection platform and the rack (realized by a first sliding block lubrication structure 16) and is provided with a second oil receiving disc; the lubricating oil recovered from the first oil receiving disc and the second oil receiving disc returns to the lubricating oil tank 20 through the oil return pipe 7.
The utility model discloses a lubricated flow as follows:
the whole system is supplied with oil by an automatic lubricating pump, and is divided into four lubricating systems for lubricating all parts of the machine body after passing through a lubricating distributor, wherein one lubricating system is sealed and circulated, and the other lubricating system is two open circulating lubricating systems and a spray lubricating system.
The sealed circulation lubricating system is responsible for transferring the mould, the compound die, the lubrication at the three position of pull rod, each need lubricated position to carry out sealed design, establish ties all lubricating points by lubrication line and lubricating nipple, each lubricating point of compound die flows through earlier, then flow direction pull rod four lubricating points, four lubricating points are transferred to last flow direction, let lubricating oil flow through whole sealed circulation system, every position can both obtain fully lubricated, collect the case through returning oil pipe oil recovery finally, and be provided with the grease at the system end and detect, ensure the effectual flow of whole system's lubricating oil.
The two open circulating lubrication systems are respectively responsible for lubricating the die moving slide block and the whole moving slide block, and lubricating oil is recycled through the oil receiving disc and flows back to the oil collecting box through the oil return pipe.
The spraying lubrication system lubricates the gearwheel and the die adjusting gear, recycles the die adjusting oil receiving disc arranged below the gearwheel and the die adjusting gear, and finally returns the oil to the collecting box through the oil return pipe flow.
Five signals or control points are referenced as 1, 1. oil collection tank low level alarm: monitoring the oil level of the collected oil and protecting the oil supply pump; 2. control signal of the oil pump: controlling the start and stop of the oil supply pump; 3. automatic lubrication pump control and high-low oil level alarm: controlling the starting and stopping of the lubricating pump and monitoring the high and low oil levels of the lubricating pump; 4. detecting an alarm signal for the grease at the tail end, namely monitoring whether the grease passes through a pipeline or not, and sending the alarm signal if the grease does not pass through the pipeline; 5. and (4) spray lubrication control, namely controlling the spray time and interval.
Although embodiments have been illustrated and described herein as two separate embodiments, for example, a method and a system, it will be apparent to those of ordinary skill in the art that certain features and advantages of the embodiments, which are common to all other embodiments, may be substituted and integrated by one or more other features not expressly recited in a particular embodiment, and reference may be made to one or more other embodiments not explicitly recited in the disclosure.
The foregoing is illustrative of the preferred embodiments of the present invention only, and is not to be construed as limiting the claims. The present invention is not limited to the above embodiments, and the specific structure thereof is allowed to be changed. In summary, all changes which come within the scope of the independent claims of the invention are to be embraced therein.
Claims (8)
1. The utility model provides a circulating lubrication system based on injection molding machine which characterized in that: the lubricating oil circulation lubricating system comprises a lubricating oil tank (20), an oil supply pump (9), a mold locking lubricating structure, a pull rod lubricating structure, a mold adjusting lubricating structure and a lubricating pipeline (3), wherein the oil supply pump (9) extracts lubricating oil from the lubricating oil tank (20), the lubricating oil is conveyed to the mold locking lubricating structure, the pull rod lubricating structure and the mold adjusting lubricating structure through the lubricating pipeline (3) and returns to the lubricating oil tank (20) through an oil return pipe (7), and the returned lubricating oil is filtered in the lubricating oil tank (20) and then is continuously extracted by the oil supply pump (9) to enter the circulation lubricating system;
the pull rod lubricating structure is arranged on the movable template (B) and the pull rod (C), the movable template (B) is sleeved on the pull rod (C), the pull rod lubricating structure comprises a first side lubricating hole (4-5), a second upper lubricating hole (4-6) and a second oil guide groove (4-7), the first side lubricating hole (4-5) and the second upper lubricating hole (4-6) are arranged on the movable template (B), the second oil guide groove (4-7) is communicated with the first side lubricating hole (4-5) and the second upper lubricating hole (4-6) respectively, the second oil guide groove (4-7) is located on the inner wall of the pull rod hole of the movable template (B), and sealing rings (4-4) are arranged at two ends of the pull rod hole of the movable template (B) and used for sealing lubricating oil between the movable template (B) and the pull rod (C).
2. The injection molding machine-based circulating lubrication system of claim 1, wherein: the die adjusting lubricating structure comprises a die adjusting lubricating channel arranged between a die adjusting gear (5-5) and a pull rod thread, the die adjusting gear (5-5) is screwed on the pull rod (C), the die adjusting gear (5-5) is arranged on the rear template (D), a front lubricating oil storage cavity is arranged among the die adjusting gear (5-5), the rear template (D) and the pull rod (C), a front sealing ring (5-6) is arranged between the die adjusting gear (5-5) and the rear template (D), the rear end of the mould adjusting gear (5-5) is arranged on the rear template (D) through a fixing ring (5-3), a rear sealing ring (5-2) is sleeved on the pull rod (C) positioned at the rear end of the die adjusting gear (5-5), a rear lubricating oil storage cavity is formed among the rear sealing ring (5-2), the pull rod (C) and the die adjusting gear (5-5); the die adjusting lubricating channel comprises a second side lubricating hole (5-7), a third upper lubricating hole (5-10) and a third oil guiding groove (5-11) which are arranged on a die adjusting gear (5-5), the third oil guiding groove (5-11) is communicated with the second side lubricating hole (5-7) and the third upper lubricating hole (5-10) respectively, the third oil guiding groove (5-11) is communicated with a front lubricating oil storage cavity and a rear lubricating oil storage cavity, and the third oil guiding groove (5-11) is located on the inner wall of a pull rod hole of the die adjusting gear (5-5).
3. The injection molding machine-based circulating lubrication system of claim 2, wherein: the mould-adjusting lubricating structure further comprises a pressure detection switch (5-8), the pressure detection switch (5-8) is communicated with the front lubricating oil storage cavity or/and the rear lubricating oil storage cavity, the lubricating pipeline comprises a mould-adjusting oil-supplementing pipeline (6), when the pressure detection switch (5-8) detects that the hydraulic pressure is too low, the lubricating oil is supplemented to the front lubricating oil storage cavity or/and the rear lubricating oil storage cavity through the mould-adjusting oil-supplementing pipeline (6), a controllable one-way valve and a resistance type lubricating distributor are arranged in the mould-adjusting oil-supplementing pipeline (6), the supplemented lubricating oil overcomes the initial pressure of the resistance type lubricating distributor firstly and enters the front lubricating oil storage cavity or/and the rear lubricating oil storage cavity through the controllable one-way valve, and the hydraulic pressure received by the controllable one-way valve is automatically closed after reaching the preset pressure for a certain time, and opening the valve again after the pressure is reduced so as to realize the control of the local lubrication flow.
4. The injection molding machine-based circulating lubrication system of claim 3, wherein: transfer mould lubricating structure still includes lubrication sprayer (13), lubrication sprayer (13) access lubrication pipeline is in order to obtain lubricating oil, lubrication sprayer (13) are installed on the trailing flank of back template, transfer mould gear (5-5) and gear wheel (21) meshing to by gear wheel (21) drive, lubrication sprayer (13) are located the top of gear wheel (21).
5. The injection molding machine-based circulating lubrication system according to any one of claims 1 to 4, wherein: lubricating-oil tank (20) include first cavity (Q1) and second cavity (Q2), return oil pipe (7) and discharge the lubricating oil after the circulation to the bottom of first cavity (Q1) set up the baffle between first cavity (Q1) and second cavity (Q2), be equipped with the hole on the baffle, lubricating oil in the first cavity passes through the hole gets into in the second cavity, the oil absorption mouth of oil pipe arranges in the second cavity to be provided with filter (8) in oil-out department.
6. The injection molding machine-based circulating lubrication system of claim 3, wherein: the lubricating device is characterized in that the oil supply pump (9) is connected with the lubricating pump (1) through an oil outlet pipe (10), a lubricating flow distributor (11) is arranged on the oil outlet pipe (10) between the oil supply pump (9) and the lubricating pump (1), and a quantitative distributor (2) is arranged on a channel of the lubricating pipeline (3) leading to the mode locking lubricating structure, the pull rod lubricating structure and the mode adjusting lubricating structure, so that quantitative lubrication of each lubricating structure is realized.
7. The injection molding machine-based circulating lubrication system of claim 4, wherein: transfer under the mould lubricating structure, connect to back template lower part and be provided with the mould and transfer and connect food tray (22), transfer mould and connect food tray (22) to retrieve lubricating oil of lubrication sprayer (13) spun to flow back through returning oil pipe to the lubricating-oil tank.
8. The injection molding machine-based circulating lubrication system of claim 7, wherein: the circulating lubrication system also comprises a first open lubrication system and a second open lubrication system, the first open lubrication system lubricates a sliding block between the movable template and the rack and is provided with a first oil receiving disc, and the second open lubrication system lubricates a sliding block between the injection platform and the rack and is provided with a second oil receiving disc; and the lubricating oil recovered from the first oil receiving disc and the second oil receiving disc returns to the lubricating oil tank (20) through an oil return pipe (7).
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| CN201821320333.2U CN210165166U (en) | 2018-08-15 | 2018-08-15 | Circulating lubrication system based on injection molding machine |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108758310A (en) * | 2018-08-15 | 2018-11-06 | 浙江泰瑞重型机械有限公司 | Circulating oil system based on injection molding machine |
| CN108870050A (en) * | 2018-08-15 | 2018-11-23 | 浙江泰瑞重型机械有限公司 | Circulating oil system for injection molding machine |
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2018
- 2018-08-15 CN CN201821320333.2U patent/CN210165166U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108758310A (en) * | 2018-08-15 | 2018-11-06 | 浙江泰瑞重型机械有限公司 | Circulating oil system based on injection molding machine |
| CN108870050A (en) * | 2018-08-15 | 2018-11-23 | 浙江泰瑞重型机械有限公司 | Circulating oil system for injection molding machine |
| CN108758310B (en) * | 2018-08-15 | 2024-05-14 | 浙江泰瑞重型机械有限公司 | Circulation lubrication system based on injection molding machine |
| CN108870050B (en) * | 2018-08-15 | 2024-06-04 | 浙江泰瑞重型机械有限公司 | Circulation lubrication system for injection molding machine |
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