CN219974826U

CN219974826U - Pump with lubricating device

Info

Publication number: CN219974826U
Application number: CN202223602274.7U
Authority: CN
Inventors: 杨跃忠; 曾艳才
Original assignee: Fujian Keshun New Material Co ltd
Current assignee: Fujian Keshun New Material Co ltd
Priority date: 2022-12-30
Filing date: 2022-12-30
Publication date: 2023-11-07
Anticipated expiration: 2032-12-30

Abstract

The utility model relates to the field of mechanical pumps, in particular to a pump with a lubricating device, which comprises a pump body and a lubricating liquid container, wherein a chamber for installing a lubricated part is arranged in the pump body, the lubricating liquid container is arranged on the pump body and communicated with the chamber, the lubricating liquid container is communicated with the chamber through a buffer mechanism and is used for solving the problems that the disassembly step of adding lubricating liquid is complicated and time-consuming, the caliber of a charging hole is small and liquid leakage is easy, the step that the charging hole needs to be disassembled when adding the lubricating liquid is omitted, the volume of each time of adding the lubricating liquid is increased, the time of adding the lubricating liquid for many times by workers is shortened, the production efficiency is improved, and the operation effect of workers is facilitated.

Description

Pump with lubricating device

Technical Field

The present utility model relates to the field of mechanical pumps, and more particularly to a pump with a lubrication device.

Background

The screw pump is suitable for conveying viscous liquid, fuel oil, lubricating oil, various oils and high molecular polymers; also can deliver medium with viscosity of 37000-200000 centipoise; media containing particles or fibers may also be conveyed.

In the production line of waterproof coiled materials, a plurality of waterproof coiled materials need to be made of asphalt, such as asphalt waterproof coiled materials, SBS modified asphalt waterproof coiled materials, APP modified asphalt waterproof coiled materials, SBS modified asphalt root-resistant waterproof coiled materials and the like, and in the production process of driving asphalt into an asphalt storage tank through an asphalt unloading groove, a screw pump is needed to be adopted, and the screw pump is a mechanical pump suitable for conveying the viscous medium of asphalt.

The existing waterproof coiled material production process discovers that 2 to 4 liters of lubricating oil is needed to be added before a screw pump is used by workers each time, a feeding buckle on the screw pump is needed to be detached when the screw pump is used each time, a great amount of time is consumed by the workers in the step of detaching the feeding port, the operation is inconvenient, meanwhile, the caliber of the feeding port is usually very small, and lubricating liquid is easy to flow out when the screw pump is used by the workers, so that the environmental problem of a production site is caused. How to improve the existing screw pump so as to be more convenient for the operation of workers in the production process of waterproof coiled materials is a problem to be solved in the field.

Disclosure of Invention

The utility model aims to overcome at least one defect (deficiency) of the prior art, and provides a pump with a lubricating device, which is used for solving the problems that the adding and the disassembling steps of lubricating liquid are complicated and time-consuming, and the caliber of a charging hole is small and liquid leakage is easy.

The technical scheme adopted by the utility model is that the pump with the lubricating device comprises a pump body and a lubricating liquid container, wherein a chamber for installing a lubricated part is arranged in the pump body, the lubricating liquid container is arranged on the pump body and is communicated with the chamber, and the lubricating liquid container is communicated with the chamber through a buffer mechanism.

Further, the buffer mechanism comprises a main channel and a plurality of branch channels with one ends communicated with different positions of the cavity, the other ends of the branch channels are communicated with the main channel, and the main channel is provided with a liquid injection port connected with a lubricating liquid container. The volume of the lubricating liquid is increased by the buffer mechanism, the time for adding lubrication for many times by workers is reduced, and the production efficiency is improved.

Further, the buffer mechanism comprises two branch channels, the other ends of the two branch channels are communicated with the main channel to form an inverted U-shaped structure, and the liquid injection port is arranged at a position opposite to one of the two branch channels. The lubricating liquid is favorable for being correspondingly added above two screws in the double-screw pump, and the lubricating efficiency of the screw pump is improved.

Further, one side of the main channel close to the liquid injection port is also provided with a buffer cavity with one end communicated with the main channel and the other end closed. The buffer mechanism is beneficial to manually disassembling and cleaning the position which may be blocked in the buffer mechanism, and the service life of the buffer mechanism is prolonged.

Further, the buffer cavity is coaxially arranged with the main channel and is perpendicular to the two branch channels. The flow of the lubricating liquid in the cavity is further fully buffered, so that blockage and overflow caused by overlarge flow are prevented.

Further, the closed other end of the buffer cavity is provided with an arc-shaped inner cavity surface, the cross section area of the buffer cavity is smaller than that of the main channel, and a smooth transition part from large to small is arranged on one side of the main channel connected with the buffer cavity. The flow speed is controlled by the cross sectional area of the smooth transition part, so that the lubricating liquid is guided to flow more smoothly.

Further, the lubricating liquid container is provided with a conical lower cavity, the upper part of the cavity is opened and provided with a cover body, the conical bottom end of the lower part is provided with a liquid outlet and a liquid outlet pipe connected with the liquid outlet, and the liquid outlet pipe is controlled to be on-off by a valve. Is beneficial to workers to pour the lubricating liquid quickly without leakage.

Further, the volume of the containing cavity is between 8 and 15L, the cross section area of the liquid injection port is larger than that of the liquid outlet pipe, and the upper end of the liquid injection port is provided with a neck part from large to small. The volume of the lubricating liquid added each time is increased, the operation time of workers is saved, and the production efficiency is improved.

Further, the pump body is the screw pump, the cavity includes mutual isolated material cavity, heating cavity and lubricated chamber, heating cavity sets up around the material cavity, lubricated part is the screw rod axle, and the screw rod end sets up in the material cavity, and the axle head passes lubricated chamber to the pump body outside, the pump body is provided with the material of intercommunication material cavity and the conduction oil of intercommunication heating cavity and imports and exports. The material cavity is used for conveying asphalt, and the heating cavity surrounds the material cavity, so that asphalt can be kept in a softened state, and the production requirement of asphalt in the waterproof coiled material is met. The lubrication chamber is favorable for enabling lubrication liquid to lubricate the screw shaft, and is favorable for increasing the working efficiency of the screw pump.

Further, the material inlet and the heat conducting oil inlet are coaxially arranged to form a jacket pipe material inlet, the inner layer of the jacket pipe material inlet is connected with a material chamber, the outer layer of the jacket pipe material inlet is connected with a heating chamber, the material chamber is provided with an independent material outlet, the heating chamber is provided with an independent heat conducting oil outlet, and the heat conducting oil outlet and the jacket pipe material inlet are arranged on the same side of the pump body. The oil at the heat conducting oil outlet is heated again and connected to the heat conducting oil inlet, and the working efficiency of the screw pump is improved.

Compared with the prior art, the utility model has the beneficial effects that: the step that the feeding port is required to be disassembled for adding the lubricating liquid is omitted, the volume of each time of adding the lubricating liquid is increased, the time of adding the lubricating liquid for many times by workers is shortened, the production efficiency is improved, and the operation of workers is facilitated.

Drawings

Fig. 1 is a structural diagram of the present utility model.

Fig. 2 is an enlarged partial schematic view of fig. 1 a according to the present utility model.

The attached drawings are used for identifying and describing: pump body 100, shaft end 110, jacket pipe material inlet 120, heat conducting oil outlet 130, lubricating fluid container 200, containing cavity 210, cover 220, liquid outlet pipe 230, valve 240, buffer mechanism 300, main channel 310, smooth transition portion 314, branch channel 320, liquid injection port 330, necking portion 331, buffer cavity 340.

Detailed Description

The drawings are for illustrative purposes only and are not to be construed as limiting the utility model. For better illustration of the following embodiments, some parts of the drawings may be omitted, enlarged or reduced, and do not represent the actual product dimensions; it will be appreciated by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.

Examples

As shown in fig. 1 and 2, the pump with lubrication device comprises a pump body 100 and a lubrication fluid container 200, wherein a chamber for installing a lubricated component is arranged in the pump body 100, the lubrication fluid container 200 is arranged on the pump body 100 and is communicated with the chamber, and the lubrication fluid container 200 is communicated with the chamber through a buffer mechanism 300.

In this embodiment, when a worker is on the production site of the waterproof coiled material, in order to ensure the convenience, safety and accuracy of asphalt transportation in the production process of driving the asphalt discharge tank into the asphalt storage tank, it is necessary to prepare a screw pump with heat transfer oil on the production site, and to add lubricating fluid into the buffer mechanism 300 located on the pump body 100 in advance, so as to lubricate the screw pump, thereby facilitating the time saving in the production process.

The buffer mechanism 300 comprises a main channel 310 and a plurality of branch channels 320 with one ends communicated with different positions of the chamber, the other ends of the branch channels 320 are communicated with the main channel 310, and the main channel 310 is provided with a liquid injection port 330 connected with the lubricating liquid container 300. In this embodiment, the lubricant flows into the liquid injection port 330 through the main channel 310 and the two branch channels 320 in the buffer mechanism 300, the flow rate of the lubricant in the buffer mechanism 300 is controlled, and the flow rate of the lubricant in the two branch channels 320 are the same, so that the lubrication forces of two screws in the screw pump are kept uniform, and the blockage and overflow can not occur when the large-capacity lubricant is added at one time.

The buffer mechanism 300 includes two branch channels 320, the other ends of the two branch channels 320 are communicated with the main channel 310 to form an inverted U-shaped structure, and the liquid injection port 330 is disposed at a position opposite to one of the two branch channels 320. In this embodiment, the liquid injection port 330 is disposed above the opposite branch channel 320, so that the lubricating liquid can directly and rapidly lubricate two screws in the screw pump, thereby ensuring the working efficiency of the screw pump.

One side of the main channel 310, which is close to the liquid injection port 330, is further provided with a buffer cavity 340 with one end communicated with the main channel 310 and the other end closed. In this embodiment, when the worker uses the screw pump for a period of time, the lubricant in the screw pump may be coagulated and blocked, so as to prolong the service life of the buffer mechanism 300 in the screw pump, the worker may open the buffer chamber 340 and check and clean the main channel 310 and the filling port 330 which are connected with each other.

The buffer chamber 340 is disposed coaxially with the main channel 310 and perpendicular to the two sub-channels 320. In this embodiment, when the flow rate of the lubricating liquid is too large, the colleague that the lubricating liquid slowly flows in the main channel 310 further buffers in the buffer chamber 340, which can effectively prevent the blocking or overflow phenomenon caused by the too large flow rate of the lubricating liquid, and is beneficial to improving the environmental problems of the production site.

The closed other end of the buffer chamber 340 has an arc-shaped inner cavity surface, the cross-sectional area of the buffer chamber 340 is smaller than that of the main channel 310, and a smooth transition portion 314 from large to small is arranged on one side of the main channel 310 connected with the buffer chamber 340. In this embodiment, the smooth transition portion 314 guides and controls the flow rate of the lubricating liquid during the slow flow of the lubricating liquid in the buffer chamber 340 and the main channel 310, so that the flow of the lubricating liquid is smoother and more stable, and turbulence of the lubricating liquid in the pipeline is avoided.

The lubrication fluid container 200 has a conical lower cavity 210, the upper portion of the cavity 210 is opened and provided with a cover 220, the lower conical bottom end is provided with a liquid outlet and a liquid outlet pipe 230 connected with the liquid outlet, and the liquid outlet pipe 230 is controlled to be opened or closed by a valve 240. In this embodiment, the cavity 210 is a 10L tank for adding and storing 10L of the lubricant poured by a worker, the cover 220 provided on the tank is used for adding the lubricant and isolating air, and the valve 240 is a hand valve, which has low manufacturing cost and can be manufactured by a worker on site.

The volume of the cavity 210 is between 8 and 15L, the cross-sectional area of the liquid injection port 330 is larger than that of the liquid outlet pipe 230, and a necking part 331 from large to small is arranged at the upper end of the liquid injection port 330. In this embodiment, the caliber of the liquid injection port 330 is larger than the caliber of the liquid outlet pipe 230, a neck part 331 is further provided at the communication part between the liquid injection port 330 and the liquid outlet pipe 230, the neck part 331 is convenient for smooth flow of the lubricating liquid, the volume of the containing cavity 210 is 10L, the 10L lubricating liquid is convenient for a worker to pour in at a time, the conveying capacity of the screw pump to asphalt in the waterproof coiled material production process is ensured, and the operation time of the worker is saved.

The pump body 100 is a screw pump, the cavity includes material cavity, heating cavity and the lubricated chamber of mutual isolation, the heating cavity sets up around the material cavity, lubricated part is the screw rod axle, and the screw rod end sets up in the material cavity, and axle head 110 passes lubricated cavity to the pump body 100 outside, the pump body 100 is provided with the material of intercommunication material cavity and the conduction oil of intercommunication heating cavity and imports and exports. In this embodiment, the material cavity is used for carrying pitch, and the heating chamber is provided around the material cavity and is favorable to making pitch keep in the softening state to satisfy the production needs of pitch in the waterproofing membrane. The lubrication chamber is favorable for enabling lubrication liquid to lubricate the screw shaft, and is favorable for increasing the working efficiency of the screw pump.

The material inlet and the heat conducting oil inlet are coaxially arranged to form a jacket pipe material inlet 120, the inner layer of the jacket pipe material inlet 120 is connected with a material chamber, the outer layer of the jacket pipe material inlet is connected with a heating chamber, the material chamber is provided with an independent material outlet, the heating chamber is provided with an independent heat conducting oil outlet 130, and the heat conducting oil outlet 130 and the jacket pipe material inlet 120 are arranged on the same side of the pump body 100. In this embodiment, the oil of conduction oil exit heats the connection to conduction oil import once more, is favorable to promoting the work efficiency of screw pump.

The working principle of the embodiment is as follows: the worker removes the fastening screw for sealing the lubrication liquid port on the existing screw pump to expose the caliber of the liquid injection port 330; preparing a short pipe as a liquid outlet pipe 230, wherein the pipe diameter of the liquid outlet pipe 230 is smaller than the caliber of the liquid injection port 330, a valve 240 is arranged at the upper end of the liquid outlet pipe 230 and used for controlling the on-off of liquid flowing into the short pipe, a shrinkage neck 331 is arranged at the other end of the liquid outlet pipe 230, the diameter of one end of the shrinkage neck 331 is the same as the pipe diameter of the liquid outlet pipe 230, the diameter of the other end is the same as the caliber of the liquid injection port 330, and the surface of the shrinkage neck 331 is smooth and free of thorns; welding the end of the neck 331 with the diameter the same as that of the liquid injection port 330 with the liquid injection port 330, welding a box body with the volume of 10L above the liquid outlet pipe 230, and arranging a cover body 220 on the box body, wherein a worker can add 10L of lubricating liquid into the box body at one time by opening the cover body 220, and can cover the cover body 220 when the lubricating liquid is not needed to be added, so that air is isolated from the lubricating liquid; 10L of the lubricating liquid was poured at a time and the next step in the production process of the waterproof roll was started.

It should be understood that the foregoing examples of the present utility model are merely illustrative of the present utility model and are not intended to limit the present utility model to the specific embodiments thereof. Any modification, equivalent replacement, improvement, etc. that comes within the spirit and principle of the claims of the present utility model should be included in the protection scope of the claims of the present utility model.

Claims

1. A pump with a lubricating device, comprising a pump body (100) and a lubricating fluid container (200), wherein a chamber for installing a lubricated part is arranged in the pump body (100), and the lubricating fluid container (200) is arranged on the pump body (100) and communicated with the chamber, and is characterized in that the lubricating fluid container (200) is communicated with the chamber through a buffer mechanism (300); the buffer mechanism (300) comprises a main channel (310) and a plurality of branch channels (320) with one ends communicated with different positions of the cavity, wherein the other ends of the branch channels (320) are communicated with the main channel (310), and a liquid injection port (330) connected with the lubricating liquid container (200) is arranged on the main channel (310).

2. The pump with the lubrication device according to claim 1, wherein the buffer mechanism (300) comprises two branch channels (320), the other ends of the two branch channels (320) are communicated with the main channel (310) to form an inverted U-shaped structure, and the liquid injection port (330) is arranged at a position opposite to one of the two branch channels (320).

3. The pump with the lubrication device according to claim 2, wherein one side of the main channel (310) close to the liquid injection port (330) is further provided with a buffer cavity (340) with one end communicated with the main channel (310) and the other end closed.

4. A pump with lubrication device according to claim 3, characterized in that the buffer chamber (340) is oriented coaxially to the main channel (310) and perpendicular to the two branch channels (320).

5. A pump with a lubrication device according to claim 3, characterized in that the closed other end of the buffer chamber (340) is provided with an arc-shaped inner chamber surface, the cross-sectional area of the buffer chamber (340) is smaller than that of the main channel (310), and a smooth transition part (314) from large to small is arranged on one side of the main channel (310) connected with the buffer chamber (340).

6. The pump with lubrication device according to any one of claims 1-5, wherein the lubrication fluid container (200) has a conical lower chamber (210), the upper part of the chamber (210) is open and provided with a cover (220), the lower conical bottom end is provided with a fluid outlet and a fluid outlet pipe (230) connected to the fluid outlet, and the fluid outlet pipe (230) is controlled to be opened or closed by a valve (240).

7. The pump with the lubrication device according to claim 6, wherein the volume of the containing cavity (210) is between 8 and 15L, the cross-sectional area of the liquid injection port (330) is larger than that of the liquid outlet pipe (230), and a neck (331) from large to small is arranged at the upper end of the liquid injection port (330).

8. The pump with lubrication device according to any one of claims 1-5, wherein the pump body (100) is a screw pump, the chambers comprise a material chamber, a heating chamber and a lubrication chamber which are isolated from each other, the heating chamber is arranged around the material chamber, the lubricated component is a screw shaft, a screw end is arranged in the material chamber, a shaft end (110) passes through the lubrication chamber to the outside of the pump body (100), and the pump body (100) is provided with a material inlet and outlet which are communicated with the material chamber and a heat conducting oil inlet and outlet which are communicated with the heating chamber.

9. The pump with the lubricating device according to claim 8, wherein the material inlet of the pump body (100) and the heat conducting oil inlet of the pump body (100) are coaxially arranged to form a jacket pipe material inlet (120), the jacket pipe material inlet (120) is internally connected with a material chamber, the outer layer is connected with a heating chamber, the material chamber is provided with an independent material outlet, the heating chamber is provided with an independent heat conducting oil outlet (130), and the heat conducting oil outlet (130) and the jacket pipe material inlet (120) are arranged on the same side of the pump body (100).