Automatic point-like oiling device of chain conveyor

Abstract

The utility model relates to the technical field of conveying equipment, in particular to an automatic point-like oiling device of a chain conveyor, which comprises a device body arranged on the conveyor, the device body is provided with an oil nozzle and a moving part with a nozzle facing the conveyor, and the device body comprises an air inlet pipeline, an air path distribution assembly, an oil storage tank, a plunger pump and an oil path distribution assembly. Two branches of the air inlet pipeline are respectively connected with the oil storage tank and the plunger pump; an outlet of the oil storage tank is connected with an oil cavity of the plunger pump through the oil path distribution assembly; the gas circuit distribution assembly is provided with two gas outlets and a gas inlet, the gas inlet is connected with a gas inlet pipeline, the two gas outlets are connected with cavities, located on the two sides of a piston, of a piston cavity of the plunger pump respectively, and the two gas outlets are arranged to be of an alternative gas outlet structure. Lubricating oil is injected to moving parts needing to be lubricated in a fixed-point mode in a plunger type oiling mode, other connected parts and the surrounding environment are prevented from being polluted, and the consumption of the lubricating oil can be effectively controlled on the premise that stable operation of a conveyor is guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model relates to conveying equipment technical field, concretely relates to a chain conveyor automatic point oiling device. BACKGROUND

[0002] The traditional chain conveyor automatic atomization oiling device sprays the atomized lubricating oil on the moving parts by compressed air, so as to achieve the lubricating purpose. However, the atomized oil mist sprayed by this method is in the form of a plane, which has a large coverage range. In this case, only a part of the lubricating oil enters the parts that need to be lubricated, while the remaining part of the oil mist is sprayed on the parts that do not need to be lubricated, which not only causes a large amount of lubricating oil to be wasted, but also pollutes other parts, brings unstable safety hazards to the operation of the equipment, and seriously affects the use environment. SUMMARY

[0003] The utility model aims at providing a chain conveyor automatic point oiling device to solve the above technical problems.

[0004] The technical problem solved by the utility model can be solved by using the following technical solutions:

[0005] The chain conveyor automatic point oiling device comprises a device body, the device body is arranged on the conveyor, the device body is provided with a nozzle, the nozzle is directed to the moving parts of the conveyor, and the nozzle is used to spray lubricating oil on the moving parts, wherein the device body comprises an air inlet pipeline, an air path distribution assembly, an oil tank, a plunger pump, an oil path distribution assembly,

[0006] The air inlet pipeline has branch pipelines, one branch pipeline is connected to the inlet of the oil tank, and the other branch pipeline is connected to the piston cavity of the plunger pump through the air path distribution assembly,

[0007] The outlet of the oil tank is connected to the oil cavity of the plunger pump through the oil path distribution assembly.

[0008] The air path distribution assembly has two air outlets and one air inlet, wherein the air inlet is connected to the air inlet pipeline, the two air outlets are respectively connected to the chambers on both sides of the piston cavity of the plunger pump, and the two air outlets are arranged in a selective air outlet structure.

[0009] The utility model provides a lubricating device for chain conveyor, which is installed on the chain conveyor. The plunger pump is used to dynamically supply lubricating oil to the moving parts during the operation of the conveyor in the form of oil pressure power pumping, which prolongs the service life of the moving parts, reduces the operation resistance of the chain conveyor, and ensures the operation efficiency of the equipment.

[0010] Preferably, the gas distribution assembly comprises a first control valve, which is an electromagnetic valve with a two-position three-way structure, and is used to control the opening and closing of the gas supply pipeline uniformly after the establishment of an electric control system with the cooperation of an upper control unit such as a PLC, so as to alternately control the gas inflow and outflow of the piston cavity of the plunger pump.

[0011] The first control valve has two working interfaces and a gas source interface, the gas source interface is connected to the gas inlet pipeline, and the two working interfaces are respectively connected to the chambers on both sides of the piston cavity of the plunger pump.

[0012] Preferably, the device body comprises at least two plunger pumps,

[0013] The gas distribution assembly comprises a three-way pipe connector,

[0014] Any working interface of the first control valve is connected to one interface of the three-way pipe connector, and any interface of the remaining interfaces of the three-way pipe connector is connected to one plunger pump.

[0015] Preferably, the oil distribution assembly comprises an oil distribution device,

[0016] The outlet of the oil tank is connected to at least two plunger pumps through the oil distribution device.

[0017] The utility model can realize the simultaneous oil supply of multiple plunger pumps through the cooperation of a suitable oil distribution device and a multi-way gas distribution structure, the oil supply pressure is stable, and the lubrication effect has good consistency.

[0018] Preferably, the oil distribution assembly comprises a second control valve, which is used to control the opening and closing of the oil supply pipeline uniformly after the establishment of an electric control system with the cooperation of an upper control unit such as a PLC, and the oil cavity of the plunger pump is connected to the oil tank through the second control valve.

[0019] Preferably, the device body comprises a pressure regulating valve,

[0020] Any branch pipeline of the gas inlet pipeline is provided with a pressure regulating valve.

[0021] Preferably, the inlet pipeline and the outlet pipeline of the oil tank are respectively provided with a manual ball valve, which can cut off the pipeline input and output when manually intervened.

[0022] Preferably, the oil tank is provided with an oil level window.

[0023] Preferably, the oil tank is provided with a liquid level sensor, which can alarm in time when the liquid level is low, so that the operating personnel can supplement the oil in time.

[0024] Preferably, the plunger pump comprises a pump body, a valve core and an oil nozzle, the valve core is arranged in the inner cavity of the pump body,

[0025] The inner cavity of the pump body comprises an oil cavity and a piston cavity, one end of the valve core is located in the oil cavity, the other end is located in the piston cavity, and the piston cavity is divided into a front piston cavity and a rear piston cavity,

[0026] The oil nozzle is arranged at one end of the pump body and communicates with the oil cavity,

[0027] The outer wall of the pump body is provided with an oil supplement port, a first gas interface and a second gas interface, the oil supplement port communicates with the oil cavity, and the first gas interface and the second gas interface respectively communicate with the front piston cavity and the rear piston cavity.

[0028] Beneficial effects: due to the adoption of the above technical scheme, the utility model adopts the plunger type oiling mode, and the lubricating oil is added to the moving parts which need to be lubricated, the lubricating oil is sprayed from the plunger pump nozzle in the form of dots, and only adheres to the specified lubrication point, so that the lubrication effect is achieved, and pollution to other connecting parts and the surrounding environment is avoided, in the long-term use process, the consumption of the lubricating oil can be effectively controlled under the premise of stable operation of the conveyor, and good economy is achieved. BRIEF DESCRIPTION OF DRAWINGS

[0029] Figure 1 It is a structural schematic view of the utility model;

[0030] Figure 2 It is another structural schematic view of the utility model;

[0031] Figure 3 It is a structural schematic view of the plunger pump of the utility model. DETAILED DESCRIPTION

[0032] In order to make the technical means, creative features, purposes and effects realized by the utility model easy to understand, the utility model is further described below in combination with specific drawings. It should be noted that the terms "first", "second", "third", "fourth" and the like (if any) in the specification and claims of the utility model are used to distinguish similar objects, and do not have to be used to describe a specific order or sequence. It should be understood that the data thus used can be interchanged under appropriate circumstances, so that the embodiments described herein can be implemented in an order other than that illustrated or described herein. In addition, the terms "include" or "have" and any variations thereof are intended to cover non-exclusive inclusion, for example, a product or device including a series of components or units does not have to be limited to only those components or units clearly listed, but can include other components or units not clearly listed or inherent to these products or devices.

[0033] The utility model discloses a chain conveyor automatic point oiling device, including the device body, this device body sets up on the conveyor.

[0034] As Figure 1 Shown, the device body includes the air intake pipeline, the air path distribution subassembly, the oil tank 3, the plunger pump 4, the oil path distribution subassembly, and the air intake pipeline has the branch pipeline, and one branch pipeline 101 is connected the import of oil tank 3, and another branch pipeline 102 is connected the piston cavity of plunger pump 4 through the air path distribution subassembly,

[0035] The outlet of oil tank 3 is connected the oil cavity of plunger pump 4 through the oil path distribution subassembly;The oil nozzle 403 is located at the end of plunger pump 4;

[0036] The air path distribution subassembly has two gas outlets and one air inlet, wherein the air inlet is connected to the air intake pipeline, and the two gas outlets are respectively connected to the chambers on both sides of the piston cavity of the plunger pump 4, and the two gas outlets are set as a selective gas outlet structure.

[0037] In this example, the selective gas outlet structure of the two gas outlets means that when one of the gas outlets and the air inlet are connected, the other gas outlet is disconnected from the air inlet.

[0038] Figure 1 In the shown structure, one end of the air intake pipeline is connected to the gas source 9, and the other end is branched to form the branch pipeline 101 and the branch pipeline 102.

[0039] The utility model is to provide power to the plunger pump valve core, which can be set as follows: in some embodiments, the air path distribution subassembly includes a first control valve, which is an electromagnetic valve with a two-position three-way structure, used to uniformly control the opening and closing of the gas supply pipeline after cooperating with the upper control unit such as PLC to build an electric control system, so as to alternately control the air inlet and outlet of the piston cavity of the plunger pump.

[0040] The first control valve has two working interfaces and one gas source interface, and the gas source interface is connected to the air intake pipeline, and the two working interfaces are respectively connected to the chambers on both sides of the piston cavity of the plunger pump.

[0041] Specifically, as Figure 1 shown, the first control valve 201 has two working interfaces and one air path interface, and the air path interface is connected to the branch pipeline 101 of the air intake pipeline, and the two working interfaces are both connected to the piston cavity of the plunger pump 4, and the two working interfaces are respectively connected to the chamber before the piston and the chamber after the piston. The first control valve 201 can be selected as the 4V230C-08DC type electromagnetic valve of SMC (pneumatic unit supplier) in Japan.

[0042] The utility model discloses a control oil supply pipeline, can set up according to following structure: in some embodiments, oil circuit distribution assembly includes second control valve, is used to cooperate with the uniform control of the opening and closing of the oil supply pipeline after the construction electric control system of PLC etc. upper control unit, and the oil tank is connected the oil cavity of plunger pump through second control valve.

[0043] Specifically, as shown in the drawings, Figure 1 The second control valve 501 is arranged on the oil supply pipeline 502 connected between the oil tank 3 and the plunger pump 4. The second control valve 501 can be selected as a 2W030-08DC type electromagnetic valve of SMC (a pneumatic unit supplier) in Japan.

[0044] The utility model discloses a batch lubrication operation is realized to the plurality of lubrication positions, can set up according to following structure: in some embodiments, the device body includes at least two plunger pumps, and the air path distribution assembly includes a tee joint, and any working interface of the first control valve is connected to one interface of the tee joint, and any interface in the remaining interfaces of the tee joint is connected to a plunger pump.

[0045] It should be noted that, according to the gas supply sequence difference of the working interface, the pipeline distributed by the tee joint connected to the same working interface is connected to the chamber before the piston of the piston cavity of the plunger pump, or is connected to the chamber after the piston.

[0046] Specifically, the two working ports of the first control valve can be configured with a tee joint, and the tee joint is selected as a Y-shaped threaded tee joint, so that each working port is divided into two output paths, so that the gas supply requirements of two plunger pumps can be met, and batch lubrication operation is realized.

[0047] In some embodiments, the same working interface of the first control valve can be branched continuously by at least two tee joints, so that a multi-way gas distribution output structure is realized.

[0048] In some embodiments, the tee joint in the above example can be replaced by an air path distributor (also known as an air distributor, a gas distribution, or a gas block), so that the air path output from any working interface of the first control valve has a multi-branch structure, so as to connect more plunger pumps and realize multi-way synchronous gas supply.

[0049] Based on the above example, in other embodiments, the combination of the air path distributor and the tee joint can realize multi-way output gas distribution, and supply the gas distribution requirements of more plunger pumps. Specifically, as shown in the drawings, Figure 2 The air path distributor can also be arranged in each gas supply pipeline after being distributed by the Y-shaped threaded tee joint. Figure 2In the shown structure, the supply and distribution of air to the eight plunger pumps 4 are realized through the combination of two three-way pipe fittings 202 and eight air path distributors 203, wherein the air path distributor 203 is a one-in-three-out structure.

[0050] In the case that the multi-path air supply structure supports the operation of multiple plunger pumps, the oil supply also needs to be matched with the air supply. Therefore, the oil supply structure can be set as follows: in some embodiments, the oil path distribution assembly includes an oil path distributor (also known as an oil distributor or oil distribution block), and the outlet of the oil storage tank is connected to at least two plunger pumps through the oil path distributor.

[0051] The utility model discloses a plurality of plunger pumps can be supplied with oil simultaneously through the cooperation of a suitable oil path distributor and a multi-path air distribution structure, the oil supply pressure is stable, and the lubrication effect has good consistency.

[0052] Specifically, the oil chambers of the multiple plunger pumps are connected to the oil path distributor, and the oil path distributor is connected to the oil outlet of the oil storage tank through a pipeline and a pipeline control element (for example, a second control valve). Figure 2 In the shown structure, the eight plunger pumps 4 are correspondingly provided with two oil path distributors 503, and any one of the oil path distributors 503 is a one-in-four-out structure. The inlet of each oil path distributor 503 is connected to the oil outlet of the oil storage tank 3, and any one of the four outlets is connected to the oil chamber of one plunger pump 4.

[0053] It should be noted that when the multi-path oil supply structure is set, the second control valve 501 is arranged between the oil path distributor and the oil storage tank 3.

[0054] The utility model discloses a pressure regulating valve, and any branch pipeline of the air inlet pipeline is provided with a pressure regulating valve.

[0055] Specifically, as shown in Figure 1 the first pressure regulating valve 601 is arranged on the branch pipeline 101 connected to the air path distribution assembly, the second pressure regulating valve 602 is arranged on the branch pipeline 102 connected to the oil storage tank 3, and the first pressure regulating valve 601 and the second pressure regulating valve 602 can be selected from the SR200-08 type pressure regulating valve of SMC (a supplier of pneumatic units) in Japan.

[0056] The utility model discloses that the oil storage tank is made of stainless steel, in order to realize the daily maintenance of the oil storage tank, as shown in Figure 1 a manual ball valve is arranged on the inlet pipeline and the outlet pipeline of the oil storage tank 3, including a ball valve 3021 and a ball valve 3022, and the pipeline input and output are cut off by the manual ball valve when manually intervened.

[0057] The utility model discloses that the oil storage tank is made of stainless steel, in order to realize the daily maintenance of the oil storage tank, as shown inFigure 1 As shown, an oil mark window 301, also known as an oil window or an oil mirror, can be provided on the oil storage tank 3, and the liquid level in the tank can be observed from the outside of the tank.

[0058] The utility model discloses a low liquid level alarm function can also be provided for the oil storage tank, for example, a liquid level sensor is arranged in the oil storage tank, so that the oil storage tank can be timely alarmed when the liquid level is low, so that the operating personnel can timely supplement the oil for the oil storage tank.

[0059] The plunger pump structure of the utility model can be provided as follows: in some embodiments, as shown in the figure, Figure 3 The plunger pump includes a pump body 401, a valve core 402 and an oil injection nozzle 403, the valve core 402 is built into the inner cavity of the pump body 401, the inner cavity of the pump body 401 includes an oil cavity 404 and a piston cavity, one end of the valve core 402 is located in the oil cavity 404, the other end is located in the piston cavity, and the piston cavity is divided into a piston front cavity 4061 and a piston rear cavity 4062, the oil injection nozzle 403 is arranged at one end of the pump body 401 and communicates with the oil cavity 404,

[0060] The outer wall of the pump body is provided with an oil supplement port, a first gas interface and a second gas interface, the oil supplement port communicates with the oil cavity 404, and the first gas interface and the second gas interface respectively communicate with the piston front cavity 4061 and the piston rear cavity 4062.

[0061] Specifically, as shown in the figure, Figure 3 The pump body 401 is in a hollow structure, and the two ends are both provided with openings, the oil injection nozzle 403 is arranged at one end opening, the other end opening is the second gas interface thereof, the second gas interface communicates with the piston rear cavity 4062, and a quick connector 4052 is arranged on the second gas interface, so as to quickly connect the external conveying pipeline;

[0062] The outer wall of the pump body is provided with an oil supplement port and a first gas interface, the oil supplement port communicates with the oil cavity 404, and the first gas interface communicates with the piston front cavity 4061, and a quick connector 4051 is arranged on the first gas interface, so as to quickly connect the external conveying pipeline.

[0063] The first gas interface and the second gas interface are respectively connected to two working ports of the same first control valve through the quick connectors and the external conveying pipelines.

[0064] The oil supplement port is provided with a quick connector 4053, so as to facilitate the external pipeline.

[0065] The utility model discloses a lubricating device for chain conveyor, which is installed on the chain conveyor and dynamically supplies lubricating oil to the moving parts during the operation of the conveyor by means of the oil pressure power pumping mode of the plunger pump, thereby prolonging the service life of the moving parts, reducing the operation resistance of the chain conveyor, and ensuring the operation efficiency of the equipment. The utility model discloses a unified power source for supplying the piston power of the plunger pump and supplying the oil supply power after pressurizing the oil tank, and the structure configuration is relatively simple and easy to arrange flexibly on the equipment site. It should be noted that the utility model discloses compressed air as the gas source (unified power source).

[0066] It should be noted that even if the utility model is not used for a long time, since industrial lubricating oil rarely forms lumps, even if there is a small amount of sediment in the oil circuit, it will not affect the normal operation after the next start, so the utility model does not need to clean the oil supply pipeline, and can also maintain continuous and long-term operation.

[0067] In addition, for the case of needing multiple points for simultaneous lubrication operation, the utility model can realize batch synchronous lubrication operation by adopting the structure of parallel multiple plunger pumps as shown in Figure 2 Especially suitable for synchronous operation of multiple lubrication positions in the equipment field with long production line.

[0068] In summary, the utility model provides a lubricating device for chain conveyor, which is installed on the chain conveyor and dynamically supplies lubricating oil to the moving parts during the operation of the conveyor by means of the oil pressure power pumping mode of the plunger pump, thereby prolonging the service life of the moving parts, reducing the operation resistance of the chain conveyor, and ensuring the operation efficiency of the equipment. The utility model discloses a unified power source for supplying the piston power of the plunger pump and supplying the oil supply power after pressurizing the oil tank, and the structure configuration is relatively simple and easy to arrange flexibly on the equipment site. It should be noted that the utility model discloses compressed air as the gas source (unified power source).

[0069] The basic principle and main features of the present application and the advantages of the present application are shown and described above. Those skilled in the art should understand that the present application is not limited by the above examples, and the above examples and descriptions in the specification are only to illustrate the principles of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the present application. The scope of protection of the present application is defined by the appended claims and their equivalents.

Claims

1. A chain conveyor automatic point oiling device comprising a device body provided on a conveyor, said device body having an oil nozzle, the nozzle opening of said oil nozzle facing a moving part of said conveyor, characterized in that, The device body comprises an air inlet pipeline, an air path distribution assembly, an oil tank, a plunger pump, an oil path distribution assembly, the air inlet pipeline has branch pipelines, one branch pipeline is connected to the inlet of the oil tank, and the other branch pipeline is connected to the piston cavity of the plunger pump through the air path distribution assembly, The outlet of the oil tank is connected to the oil cavity of the plunger pump through the oil path distribution assembly. The air path distribution assembly has two air outlets and one air inlet, the air inlet is connected to the air inlet pipeline, the two air outlets are respectively connected to the chambers on both sides of the piston cavity of the plunger pump, and the two air outlets are arranged in a selective air outlet structure.

2. The chain conveyor automatic point lubrication device of claim 1, wherein, The air path distribution assembly comprises a first control valve, and the first control valve is an electromagnetic valve with a two-position three-way structure. The first control valve has two working interfaces and one air source interface, the air source interface is connected to the air inlet pipeline, and the two working interfaces are respectively connected to the chambers on both sides of the piston cavity of the plunger pump.

3. The chain conveyor automatic point lubrication device of claim 2, wherein, The device body comprises at least two plunger pumps, the air path distribution assembly comprises a three-way pipe connector, any working interface of the first control valve is connected to any interface of the three-way pipe connector, and any interface of the remaining interfaces of the three-way pipe connector is connected to a plunger pump.

4. The chain conveyor automatic point lubrication device of claim 3, wherein, The oil path distribution assembly comprises an oil path distributor, and the outlet of the oil tank is connected to at least two plunger pumps through the oil path distributor.

5. The chain conveyor automatic point lubrication device of claim 1, wherein, The oil path distribution assembly comprises a second control valve, and the oil tank is connected to the oil cavity of the plunger pump through the second control valve.

6. The chain conveyor automatic point lubrication device according to any one of claims 1 to 5, characterized in that, The device body comprises a pressure regulating valve, and any branch pipeline of the air inlet pipeline is provided with a pressure regulating valve.

7. The chain conveyor automatic point lubrication device according to any one of claims 1 to 5, characterized in that, The inlet pipeline and the outlet pipeline of the oil tank are respectively provided with a manual ball valve.

8. The chain conveyor automatic point lubrication device according to any one of claims 1 to 5, characterized in that, The oil tank is provided with an oil level window.

9. The chain conveyor automatic point lubrication device of any one of claims 1 to 5, wherein, The oil tank is provided with a liquid level sensor.

10. The chain conveyor automatic point lubrication device of any one of claims 1 to 5, wherein, The plunger pump comprises a pump body, a valve core and an oil nozzle, the valve core is arranged in the inner cavity of the pump body, The inner cavity of the pump body comprises an oil cavity and a piston cavity, one end of the valve core is located in the oil cavity, the other end is located in the piston cavity, and the piston cavity is divided into a front piston chamber and a rear piston chamber, The oil nozzle is arranged at one end of the pump body and communicates with the oil cavity, The outer wall of the pump body is provided with an oil supplement port, a first gas interface and a second gas interface, the oil supplement port communicates with the oil cavity, and the first gas interface and the second gas interface respectively communicate with the front piston chamber and the rear piston chamber.

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