Numerically controlled machine tool guide rail assembly

Abstract

The utility model relates to machine tool guide rail technical field discloses a numerical control machine tool guide rail subassembly, including the bottom plate, the bottom plate is fixedly connected with the guide rail, the guide rail is connected with the sliding block of sliding, the fixed plate is fixedly connected on the sliding block, the lower surface of fixed plate is equipped with the box, in the utility model, when the fixed plate drives the sliding block to slide on the guide rail, if the insufficient lubricating oil on the guide rail leads to the friction of sliding block and gyro wheel and increases, once the friction of gyro wheel exceeds the threshold value of torsion spring setting, gyro wheel will rotate on the fixed block and drive the valve ball to rotate in the conveying pipe, when the through hole on the valve ball communicates with the conveying pipe inner chamber, the pressure of air pump will press the lubricating oil in the box into the conveying pipe, and through the cavity and the through hole in the sliding block, and the lubricating oil flows out to the guide rail, this process realizes the instant replenishment of lubricating oil, effectively prevents the guide rail and the excessive wear of sliding block due to the excessive friction, thereby prolongs the service life significantly.

Description

Technical Field

[0001] This utility model relates to the field of machine tool guideway technology, and in particular to a CNC machine tool guideway assembly. Background Technology

[0002] A machine tool is a machine used to manufacture machines; it is also called a machine tool or machine tool machine. It is generally classified into metal cutting machine tools, forging and pressing machine tools, and woodworking machine tools. Machine tools primarily use cutting tools to turn rotating workpieces. Drills, reamers, taps, dies, and knurling tools can also be used on machine tools for corresponding machining operations. Sliding guideways are an essential component of machine tools. Due to the weight of machine tools, the friction generated during guideway movement is significant. Prolonged use can lead to severe wear and damage to the guideways. Therefore, it is necessary to apply lubricating oil to the inside of the guideways regularly to reduce friction.

[0003] To address the aforementioned issues, a search revealed a prior art disclosure (application number: CN202421569369.X) of a machine tool guideway structure that reduces wear. This disclosure proposes "a machine tool guideway structure that reduces wear, comprising a base plate; two support seats, both of which are fixedly mounted on the base plate; two sliders, each slidably mounted on one of the support seats; a fixing plate, fixedly mounted on the two sliders; multiple ball bearings, each rollingly mounted within one of the two sliders; two arc-shaped grooves, each formed on one of the support seats; and a liquid reservoir, fixedly mounted on the bottom of the fixing plate, positioned between the two support seats. The wear-reducing machine tool guideway structure provided by this solution allows for the application of lubricating oil to the mating parts inside the guideway, facilitating operation and reducing friction during guideway movement, thus reducing wear."

[0004] However, in actual use, although regular lubrication reduces friction and wear between the guide rail and the slider, friction may suddenly increase under high load or long-term operation, and the preset lubrication system may not be able to respond in time. Utility Model Content

[0005] The purpose of this utility model is to address the shortcomings of existing technologies by proposing a CNC machine tool guide rail assembly.

[0006] To achieve the above objectives, the present invention adopts the following technical solution: a CNC machine tool guide rail assembly, comprising a base plate, a guide rail fixedly connected to the base plate, a slider slidably connected to the guide rail, a fixing plate fixedly connected to the slider, a housing provided on the lower surface of the fixing plate, a conveying pipe fixedly connected to one end of the housing, a conveying pipe fixedly connected to one end of the conveying pipe fixedly connected to the slider, a through hole provided on the slider, a fixing block fixedly connected to one side of the slider, a roller rotatably connected to the fixing block, a torsion spring fixedly connected to the roller, one end of the torsion spring fixedly connected to the fixing block, and a valve ball provided at one end of the roller, the valve ball being rotatably connected inside the conveying pipe.

[0007] As a further description of the above technical solution: a threaded cap is threadedly connected to one side of the box, and a telescopic hose is fixedly connected to one side of the box.

[0008] As a further description of the above technical solution: one end of the telescopic hose is connected to an air pump.

[0009] As a further description of the above technical solution: one end of the roller is rotatably connected to the conveying pipe.

[0010] As a further description of the above technical solution: the through holes are provided in several groups, and the through holes are all connected through the cavity inside the slider. One end of the conveying pipe is connected to the cavity inside the slider.

[0011] As a further description of the above technical solution: the slider is provided in four groups, and the cavities in each pair of sliders are connected by a pipe.

[0012] As a further description of the above technical solution: the threaded cap passes through the box body, one end of the telescopic hose passes through the box body, and one end of the delivery pipe passes through the box body.

[0013] This utility model has the following beneficial effects:

[0014] In this invention, when the fixed plate drives the slider to slide on the guide rail, if the lubricating oil on the guide rail is insufficient, the friction between the slider and the roller will increase. Once the friction of the roller exceeds the threshold set by the torsion spring, the roller will rotate on the fixed block and drive the valve ball to rotate in the delivery pipe. When the through hole on the valve ball communicates with the inner cavity of the delivery pipe, the pressure of the air pump will force the lubricating oil in the box into the delivery pipe, and flow out to the guide rail through the cavity and through hole in the slider. This process realizes the immediate replenishment of lubricating oil, effectively preventing excessive wear of the guide rail and slider due to excessive friction, thereby significantly extending the service life.

[0015] In this invention, the mechanical linkage mechanism of the roller and the valve ball enables automated replenishment of lubricating oil. This not only reduces the need for manual intervention but also ensures that the lubricating oil can quickly and accurately reach the guide rail surface when needed, thereby maintaining the optimal lubrication state between the guide rail and the slider. This continuous lubrication state helps reduce vibration and noise during machine tool operation and improves the machine tool's operational stability and machining accuracy. Attached Figure Description

[0016] Figure 1 This utility model provides a structural schematic diagram of a CNC machine tool guide rail assembly. Figure 1 ;

[0017] Figure 2 This utility model provides a structural schematic diagram of a CNC machine tool guide rail assembly. Figure 2 ;

[0018] Figure 3 This is a schematic diagram of the internal structure of a CNC machine tool guide rail assembly proposed in this utility model;

[0019] Figure 4 This is a partial structural schematic diagram of a CNC machine tool guide rail assembly proposed in this utility model;

[0020] Figure 5 for Figure 4 Enlarged view of point A in the middle.

[0021] Legend:

[0022] 1. Base plate; 2. Guide rail; 3. Slider; 4. Fixing plate; 5. Box body; 6. Conveying pipe; 7. Through hole; 8. Fixing block; 9. Roller; 10. Torsion spring; 11. Valve ball; 12. Telescopic hose; 13. Threaded cap. Detailed Implementation

[0023] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0024] In the description of this utility model, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the accompanying drawings and are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance. The utility model will be further described in detail below with reference to the accompanying drawings. Example 1

[0025] like Figures 1 to 5 As shown, a CNC machine tool guide rail assembly includes a base plate 1, a guide rail 2 fixedly connected to the base plate 1, a slider 3 slidably connected to the guide rail 2, a fixing plate 4 fixedly connected to the slider 3, a housing 5 provided on the lower surface of the fixing plate 4, a conveying pipe 6 fixedly connected to one end of the housing 5, a conveying pipe 6 fixedly connected to one end of the conveying pipe 6 fixedly connected to the slider 3, a through hole 7 provided on the slider 3, a fixing block 8 fixedly connected to one side of the slider 3, a roller 9 rotatably connected to the fixing block 8, a torsion spring 10 fixedly connected to the roller 9, one end of the torsion spring 10 fixedly connected to the fixing block 8, and a valve ball 11 provided at one end of the roller 9, the valve ball 11 being rotatably connected to the conveying pipe 6.

[0026] Furthermore, in this embodiment, when the slider 3 slides on the guide rail 2, the roller 9 contacts and rotates with the guide rail 2, causing the valve ball 11 to rotate inside the delivery pipe 6. The torsion spring 10 deforms due to the rotation of the roller 9, enabling the slider 3 to slide along the guide rail 2, while providing a basis for the subsequent on / off of lubricating oil delivery.

[0027] Specifically, a threaded cap 13 is threadedly connected to one side of the housing 5, and a telescopic hose 12 is fixedly connected to one side of the housing 5.

[0028] In this embodiment, the threaded cap 13 can be screwed into or out of the housing 5, the telescopic hose 12 is telescopic, the threaded cap 13 facilitates the addition of lubricant, and the telescopic hose 12 facilitates the connection to external equipment.

[0029] Specifically, one end of the telescopic hose 12 is connected to an air pump;

[0030] In a preferred embodiment, the air pump generates gas, which enters the housing 5 through the telescopic hose 12, providing a source of air pressure for the housing 5.

[0031] Specifically, one end of the roller 9 is rotatably connected to the conveying pipe 6;

[0032] In this embodiment, when the roller 9 rotates, its shaft rotates stably on the conveying pipe 6, ensuring the stability of the synchronous rotation of the roller 9 and the valve ball 11.

[0033] Specifically, there are several sets of through holes 7, and all through holes 7 are connected through the cavity inside the slider 3. One end of the conveying pipe 6 is connected to the cavity inside the slider 3.

[0034] With this configuration, lubricating oil enters the cavity through the delivery pipe 6 and is then discharged through the through hole 7, so that the lubricating oil is evenly applied to the surface of the guide rail 2.

[0035] Specifically, there are four sets of sliders 3, and the cavities in every two sets of sliders 3 are connected by pipes;

[0036] The cavities inside the two rows of sliders 3 are connected by pipes to achieve synchronous supply of lubricating oil to multiple groups of sliders 3.

[0037] Specifically, the threaded cap 13 passes through the housing 5, one end of the telescopic hose 12 passes through the housing 5, and one end of the delivery pipe 6 passes through the housing 5.

[0038] Working principle: When in use, first connect one end of the telescopic hose 12 to the air pump, then unscrew the threaded cap 13. The threaded cap 13 moves to one side through the threaded connection to the housing 5. When the threaded cap 13 is detached from the housing 5, add lubricating oil into the housing 5 through the hole where the threaded cap 13 is detached. After the lubricating oil has been added to a certain extent, unscrew the threaded cap 13 in the opposite direction to reset it onto the housing 5. One side of the housing 5 can be made into a transparent panel to facilitate observation of the residual lubricating oil in the housing 5 for subsequent replenishment.

[0039] When the fixed plate 4 drives the slider 3 to slide on the guide rail 2, if the lubricating oil on the guide rail 2 is insufficient, it increases the friction of the slider 3 and simultaneously increases the friction of the roller 9 on the guide rail 2. When the friction of the roller 9 increases to a greater extent than the torsion force of the torsion spring 10, the roller 9 rotates on the fixed block 8. The roller 9 drives the valve ball 11 to rotate inside the delivery pipe 6. When the through hole 7 on the valve ball 11 rotates to communicate with the inside of the delivery pipe 6, the pressure of the air pump forces the lubricating oil in the housing 5 into the delivery pipe 6, and then delivers it into the slider 3 through the delivery pipe 6. Subsequently, it passes through the cavity inside the slider 3. The lubricant flows out of the through hole 7 onto the guide rail 2. After applying a certain amount of lubricant to the guide rail 2 to achieve a certain smoothness between the slider 3 and the roller 9, the friction between the roller 9 and the guide rail 2 decreases. Then, through the reverse torsion action of the torsion spring 10, the roller 9 drives the valve ball 11 to rotate in the delivery pipe 6 to reset, thereby cutting off the output of lubricant. By detecting the friction force and replenishing the lubricant in time through the roller 9, it can quickly react when the friction force increases sharply, effectively preventing the wear caused by excessive friction, thereby further extending the service life of the guide rail 2 and the slider 3.

[0040] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A CNC machine tool guide rail assembly, comprising a base plate (1), characterized in that: A guide rail (2) is fixedly connected to the base plate (1), a slider (3) is slidably connected to the guide rail (2), a fixing plate (4) is fixedly connected to the slider (3), a box (5) is provided on the lower surface of the fixing plate (4), a conveying pipe (6) is fixedly connected to one end of the box (5), one end of the conveying pipe (6) is fixedly connected to the slider (3), a through hole (7) is provided on the slider (3), a fixing block (8) is fixedly connected to one side of the slider (3), a roller (9) is rotatably connected to the fixing block (8), a torsion spring (10) is fixedly connected to the roller (9), one end of the torsion spring (10) is fixedly connected to the fixing block (8), a valve ball (11) is provided at one end of the roller (9), and the valve ball (11) is rotatably connected to the conveying pipe (6).

2. The CNC machine tool guide rail assembly according to claim 1, characterized in that: A threaded cap (13) is threadedly connected to one side of the box (5), and a telescopic hose (12) is fixedly connected to one side of the box (5).

3. A CNC machine tool guide rail assembly according to claim 2, characterized in that: One end of the telescopic hose (12) is connected to an air pump.

4. A CNC machine tool guide rail assembly according to claim 3, characterized in that: One end of the roller (9) is rotatably connected to the conveying pipe (6).

5. A CNC machine tool guide rail assembly according to claim 4, characterized in that: The through holes (7) are provided in several groups, and the through holes (7) are all connected through the cavity in the slider (3). One end of the conveying pipe (6) is connected to the cavity in the slider (3).

6. A CNC machine tool guide rail assembly according to claim 5, characterized in that: The slider (3) is provided in four groups, and the cavities in each two groups of sliders (3) are connected by pipes.

7. A CNC machine tool guideway assembly according to claim 6, characterized in that: The threaded cap (13) passes through the housing (5), one end of the telescopic hose (12) passes through the housing (5), and one end of the delivery pipe (6) passes through the housing (5).

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