CN211925351U - Positive displacement lubricating device of numerical control machine tool - Google Patents
Positive displacement lubricating device of numerical control machine tool Download PDFInfo
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- CN211925351U CN211925351U CN201922054497.6U CN201922054497U CN211925351U CN 211925351 U CN211925351 U CN 211925351U CN 201922054497 U CN201922054497 U CN 201922054497U CN 211925351 U CN211925351 U CN 211925351U
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Abstract
The utility model provides a digit control machine tool positive displacement lubricating arrangement, including pressure relief formula lubricant pump, including electric pump and batch oil tank, the inside time controller that is provided with on the electric pump, the positive displacement distributor who passes through the trunk line with the batch oil tank of pressure relief formula lubricant pump and connect, positive displacement distributor is inside to be provided with umbrella-type valve and measurement piston, the measurement piston can slide between positive displacement distributor inner wall, the measurement piston slides upwards and forms the piston chamber, the piston chamber passes through the passageway and communicates with the space where umbrella-type valve is located, the one end of umbrella-type valve is connected with the trunk line, the other end is equipped with the valve block, the one end of measurement piston is connected with one end of compression spring, the other end and the apron of compression spring; the guide rail sliding block is connected with the positive displacement distributor through a branch pipeline; and the lead screw nut is connected with the positive displacement distributor through a branch pipeline. The utility model discloses can realize intermittent type ration fuel feeding, the measurement is accurate, can inject quantitative oil into the lubrication point practically on, does not receive the influence of oil pump pressure and piping distance.
Description
Technical Field
The utility model relates to a lubricated technical field of lathe particularly, relates to a digit control machine tool positive displacement lubricating arrangement.
Background
The structure of a lubricating system of a numerical control machine tool is an important component of machine tool machining. The lubricating system is used for conveying a certain amount of clean lubricating oil to the surfaces of parts which move relatively, so that liquid friction is realized, friction resistance is reduced, and the abrasion of parts is reduced. And cleaning and cooling the lubricated surface. Resistive lubrication systems are a common configuration of lubrication systems.
The conventional resistive structure consists of the main elements of a lubrication pump, an oil line, a distributor, an interface and the like. The system structure needs to continuously provide pressure, so that the error of oil quantity metering is large, the waste of lubricating oil is caused, the lubrication of a far and high lubricating point is difficult to guarantee, and the lubricating point acting on the structure is few, and the system structure is generally used for light industry.
An effective solution to the problems in the related art has not been proposed yet.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a digit control machine tool positive displacement lubricating arrangement to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: a numerical control machine tool volume type lubricating device comprises a pressure relief type lubricating pump, wherein the pressure relief type lubricating pump comprises an electric pump and an oil storage tank, and a time controller is arranged inside the electric pump and used for controlling the oil pumping time and the intermittent rest time of the electric pump;
the metering piston can slide between the inner walls of the positive displacement distributor, the metering piston slides upwards to form a piston chamber, the piston chamber is communicated with the space where the umbrella valve is located through a passage, one end of the umbrella valve is connected with the main pipe, the other end of the umbrella valve is provided with a valve plate, one end of the metering piston is connected with one end of a compression spring, and the other end of the compression spring is connected with a cover plate;
the guide rail sliding block is connected with the positive displacement distributor through a branch pipeline;
and the lead screw nut is connected with the positive displacement distributor through a branch pipeline.
Further, the main pipe may be connected to at least one positive displacement distributor.
Further, the main pipeline can be connected with a plurality of three-way joints and is used for connecting the main pipeline with two or more than two positive displacement distributors.
Further, the outlet of the branch pipeline is connected to the guide rail sliding block and the lubricating point of the screw nut.
Furthermore, a main machine microcomputer controller can be arranged on the electric pump of the pressure relief type lubricating pump and used for controlling the oil pumping time and the intermittent rest time of the electric pump.
Furthermore, a pressure switch can be arranged in the electric pump of the pressure relief type lubricating pump to send a stop signal so as to control the oil pumping time of the electric pump.
The utility model discloses a theory of operation is: the pressure relief type lubricating pump injects lubricating oil into the positive displacement distributor from a main oil pipe on the main pipeline, the umbrella-shaped valve is pushed open by the lubricating oil and is pumped into the piston chamber through the passage, the metering piston moves upwards under the action of the pressurized oil, the compression spring is compressed and stores the pressure, so that the metering and oil storage are carried out, and the time controller is arranged in the electric pump of the pressure relief type lubricating pump and is used for controlling the oil pumping time and the intermittent rest time of the electric pump. When the pressure of the lubricating oil in the main oil passage is released, the umbrella-shaped valve moves leftwards due to the pressure difference and simultaneously opens the discharge port, so that the lubricating oil in the piston chamber enters the oil pipe through the discharge port by the spring force and is pumped to each lubricating point, and one-time oil supply action is finished.
Compared with the prior art, the utility model discloses following beneficial effect has: 1. injecting lubricating oil at moderate pressure when the oil pressure in the main pipe is increased to 12-15kgf/cm2When the lubricating oil is used, the oil cylinder of the distributor is automatically metered and stored, and then the lubricating oil is injected into the lubricating point by the compressed spring force, so that the system can not apply abnormal pressure on the lubricating point and can ensure proper oil quantity, thereby reducing the waste of the lubricating oil, increasing the utilization efficiency of the lubricating oil and reducing the pollution to the ecological environment; 2. the working condition of the distributor can be directly confirmed visually. 3. The oil is supplied intermittently and quantitatively, the metering is accurate, the quantitative oil can be injected to a lubricating point practically and is not influenced by the pressure of an oil pump and the distance of a pipe; 4. the arrangement of the pipes is a single pipe parallel type pipe, and the pipes are simpleIs convenient. 5. The utility model discloses can effectively reduce the error of oil mass measurement, realize accurate control to the measurement of oil mass.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a first embodiment of a positive displacement lubrication device of a numerical control machine according to the present invention;
fig. 2 is a schematic structural diagram of a second embodiment of a positive displacement lubrication device of a numerical control machine according to the present invention;
fig. 3 is a schematic structural diagram of the component action stroke of the positive displacement distributor of the positive displacement lubrication device of the numerical control machine tool according to the present invention.
Reference numerals:
1. a pressure relief type lubricating pump; 2. a three-way joint; 3. a positive displacement dispenser; 4. a guide rail slider; 5. a feed screw nut; A. a main oil passage; B. an umbrella valve; C. a passage; D. a metering piston; E. an outlet port; F. a piston chamber; G. compressing the spring.
Detailed Description
The following, with reference to the drawings and the detailed description, further description of the present invention is made:
example 1:
as shown in fig. 1, 2 and 3, a volume type lubricating device of a numerical control machine tool comprises a pressure relief type lubricating pump 1, wherein the pressure relief type lubricating pump 1 comprises an electric pump and an oil storage tank, and a time controller is arranged in the electric pump and is used for controlling the oil pumping time and the intermittent rest time of the electric pump;
the volumetric distributor 3 is connected with an oil storage tank of the pressure relief type lubricating pump 1 through a main pipeline, an umbrella-shaped valve B and a metering piston D are arranged inside the volumetric distributor 3, the metering piston D can slide between the inner walls of the volumetric distributor 3, the metering piston D slides upwards to form a piston chamber F, the piston chamber F is communicated with the space where the umbrella-shaped valve B is located through a passage C, one end of the umbrella-shaped valve is connected with the main pipeline, the other end of the umbrella-shaped valve is provided with a valve plate, one end of the metering piston is connected with one end of a compression spring, and the other end of the compression spring G is connected with;
the pressure relief type lubricating pump injects lubricating oil into the positive displacement distributor 3 from a main oil line A on a main pipeline, the umbrella-shaped valve B is pushed open by the lubricating oil and is pressed and conveyed into the piston chamber through a passage C, the metering piston D moves upwards under the action of the pressurized oil, the compression spring G is compressed and stores the pressure, and therefore metering and oil storage are carried out, and a time controller is arranged inside the electric pump of the pressure relief type lubricating pump and used for controlling the oil pumping time and the intermittent rest time of the electric pump. When the pressure of the lubricating oil in the main oil path is released, the umbrella-shaped valve G moves leftwards due to the pressure difference, and simultaneously opens the discharge port E, so that the lubricating oil in the piston chamber F enters the oil pipe through the discharge port E by the spring force and is pumped to each lubricating point, and one oil supply action is finished.
A guide rail slide block 4 connected with the positive displacement distributor 3 through a branch pipeline; the positive displacement distributor 3 can be connected with a plurality of branch pipelines, and each branch pipeline can be connected with 1 guide rail sliding block 4, so that the lubricating efficiency is improved.
And the lead screw nut 5 is connected with the positive displacement distributor 3 through a branch pipeline. The positive displacement distributor 3 can be connected with a plurality of branch pipelines, and each branch pipeline can be connected with 1 screw nut 5, so that the lubricating efficiency is improved.
According to what has been described above, the above-mentioned main pipe can be connected to at least one positive-displacement distributor 3. Multiple positive displacement dispensers may be included to achieve simultaneous operation.
According to the above, the main pipe may be connected to a plurality of three-way joints for connecting the main pipe to two or more positive displacement distributors 3. When there are at least 2 positive displacement dispensers, a three-way connection can be used to connect the main line.
According to the above, the outlet of the branch conduit is connected to the lubrication points of the guide rail slide 4 and the feed screw nut 5. And lubricating oil at the outlet of the branch pipeline enters the guide rail sliding block 4 and the screw nut 5 and is connected with the lubricating points of the guide rail sliding block 4 and the screw nut 5.
According to the above, the electric pump of the pressure relief type lubricating pump 1 can be further provided with a host computer controller for controlling the oil pumping time and the intermittent rest time of the electric pump. The electric pump of the pressure relief type lubricating pump 1 is provided with a host computer controller, so that intermittent quantitative oil supply can be realized, and the aim of accurate metering is fulfilled.
According to the above, the pressure switch can be set inside the electric pump of the pressure relief type lubrication pump 1 to send out the stop signal for controlling the oil pumping time of the electric pump. The pressure switch is arranged in the electric pump of the pressure relief type lubricating pump 1 to send a stop signal, so that intermittent quantitative oil supply can be realized, and the aim of accurate metering is fulfilled.
Example 2:
as shown in fig. 2, when there are 2 positive displacement machines, a three-way joint 2 is connected to the main line, the second branch of the three-way joint 2 is connected to a positive displacement machine 3, the third branch is connected to another positive displacement machine 3, and the rest of the components and the connection method are identical to those of embodiment 1.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. A volume type lubricating device of a numerical control machine tool is characterized by comprising
The pressure relief type lubricating pump (1) comprises an electric pump and an oil storage tank, wherein a time controller is arranged inside the electric pump and is used for controlling the oil pumping time and the intermittent rest time of the electric pump;
the metering device comprises a positive displacement distributor (3) connected with an oil storage tank of a pressure relief type lubricating pump (1) through a main pipeline, wherein an umbrella-shaped valve (B) and a metering piston (D) are arranged inside the positive displacement distributor (3), the metering piston (D) can slide between the inner walls of the positive displacement distributor (3), the metering piston (D) slides upwards to form a piston chamber (F), the piston chamber (F) is communicated with the space where the umbrella-shaped valve (B) is located through a passage (C), one end of the umbrella-shaped valve is connected with the main pipeline, the other end of the umbrella-shaped valve is provided with a valve block, one end of the metering piston is connected with one end of a compression spring, and the other end of the compression spring (G) is connected with a;
a guide rail sliding block (4) connected with the positive displacement distributor (3) through a branch pipeline;
and the lead screw nut (5) is connected with the positive displacement distributor (3) through a branch pipeline.
2. A numerically controlled machine volumetric lubricating apparatus according to claim 1, characterized in that the main conduit is connectable to at least one volumetric distributor (3).
3. A numerically controlled machine volumetric lubricating apparatus according to claim 1, characterized in that the main pipe is connectable to a plurality of three-way joints for connecting the main pipe to two or more volumetric distributors (3).
4. A positive-displacement lubrication device for numerically controlled machine tools according to claim 1, characterized in that the outlet of the branch conduit is connected to the lubrication points of the guide rail slide (4) and the feed screw nut (5).
5. The positive-displacement lubricating device of the numerical control machine tool as claimed in claim 1, characterized in that a main machine microcomputer controller can be further arranged on the electric pump of the pressure relief type lubricating pump (1) for controlling the oil pumping time and the intermittent rest time of the electric pump.
6. A volume type lubricating device for a numerical control machine tool according to claim 1, characterized in that a pressure switch can be arranged inside the electric pump of the pressure relief type lubricating pump (1) to send a stop signal for controlling the oil pumping time of the electric pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922054497.6U CN211925351U (en) | 2019-11-25 | 2019-11-25 | Positive displacement lubricating device of numerical control machine tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922054497.6U CN211925351U (en) | 2019-11-25 | 2019-11-25 | Positive displacement lubricating device of numerical control machine tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211925351U true CN211925351U (en) | 2020-11-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922054497.6U Active CN211925351U (en) | 2019-11-25 | 2019-11-25 | Positive displacement lubricating device of numerical control machine tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211925351U (en) |
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2019
- 2019-11-25 CN CN201922054497.6U patent/CN211925351U/en active Active
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