Guide pillar with lubricating function

Abstract

The guide pillar with the lubricating function comprises a guide pillar body, a stud is coaxially arranged at the top end of the guide pillar body, an upper annular groove is formed in the upper end of the guide pillar body, an oil storage groove extending to the upper annular groove is formed in the top end of the stud, and the oil storage groove is communicated with the upper annular groove. Ball grooves are evenly distributed in the inner ring of the upper ring groove in the circumferential direction of the axis of the upper ring groove, balls are arranged in the ball grooves in a rolling mode, the bottom of the oil storage groove is communicated with the ball grooves through connecting holes, and an oil groove communicated with the upper ring groove is formed in the middle end of the guide pillar body. The utility model has the advantages that the lubricating oil in the oil storage tank is brought out to the oil tank through the rolling balls, and the lubricating oil does not need to be frequently added.

Description

Technical Field

[0001] The utility model relates to the technical field of guide pillars, and particularly relates to a guide pillar with a lubricating function. Background Art

[0002] The guide pillar is an important accessory of the mold. It can accurately guide and position the upper and lower molds during the mold opening and closing processes, and generally has a very small clearance. It is generally used in molds or some machinery to ensure the accuracy of movement and the precision and quality of product processing. During the use of the mold, the guide pillar and the guide sleeve often slide up and down to generate friction, which causes relatively large wear on the guide sleeve and the guide pillar and requires lubricating oil for lubrication. However, new lubricating oil needs to be added to the surface of the guide pillar in a short time, which is time-consuming and laborious. Summary of the Invention

[0003] In view of this, the purpose of the utility model is to overcome the deficiencies in the prior art and provide a guide pillar with a lubricating function.

[0004] The utility model provides a guide pillar with a lubricating function, which includes a guide pillar body 1. A stud 2 is coaxially arranged at the top end of the guide pillar body 1. An upper ring groove 5 is opened at the upper end of the guide pillar body 1. An oil storage groove 3 extending to the upper ring groove 5 is opened at the top end of the stud 2. The inner circle of the upper ring groove 5 is circumferentially and evenly provided with ball grooves along its axis. A ball 6 is rotatably arranged in the ball groove. The bottom of the oil storage groove 3 is communicated with the ball groove through a connecting hole. An oil groove 7 communicated with the upper ring groove 5 is opened at the middle end of the guide pillar body 1.

[0005] Further, an internal thread is provided at the upper end of the oil storage groove 3, and a plug 4 is screwed at the internal thread.

[0006] Further, the number of the balls 6 is greater than or equal to 2 and less than or equal to 6.

[0007] Further, the oil groove 7 is spiral.

[0008] Further, a lower ring groove 9 connecting the oil groove 7 is opened on the guide pillar body 1, and a connecting groove 8 is communicated between the lower ring groove 9 and the upper ring groove 5.

[0009] Further, a relief groove 10 is opened at the lower end of the stud 2.

[0010] The advantages of the present utility model are as follows: The lubricating oil in the oil storage tank is carried out to the oil groove by the rolling balls, and there is no need to frequently add lubricating oil; the spiral oil groove can increase the storage space and distribution area of the lubricating oil, improve the lubrication effect, and reduce the wear and friction force of the guide post; when the guide sleeve moves up and down, it will contact the balls, causing the balls to roll, and the lubricating oil carried out by the balls flows into the upper ring groove and then into the oil groove from the upper ring groove; the lubricating oil can enter the oil groove through the upper ring groove, the connecting groove and the lower ring groove; the relief groove facilitates the withdrawal of the tool when machining the thread. After the tool finishes machining the thread, it can be easily withdrawn from the machining process through the relief groove at the end, and the thread size machined near the relief groove at the end of the thread meets the requirements. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 is a perspective view of the present utility model;

[0012] Figure 2 is a front view of the present utility model;

[0013] Figure 3 is Figure 2 the A-A cross-sectional view of DETAILED DESCRIPTION OF THE EMBODIMENTS

[0014] The embodiments of the present utility model will be described in detail below with reference to the accompanying drawings.

[0015] Referring to Figures 1 to 3 , the present utility model provides a guide post with a lubricating function, which includes a guide post body 1. A stud 2 is coaxially arranged at the top end of the guide post body 1. An upper ring groove 5 is opened at the upper end of the guide post body 1. An oil storage tank 3 extending to the upper ring groove 5 is opened at the top end of the stud 2. During the use of the mold, the guide post and the guide sleeve often slide up and down to generate friction, which causes relatively large wear on the guide sleeve and the guide post, and lubricating oil is required for lubrication. The lubricating oil in the oil storage tank lubricates the guide post. The inner ring of the upper ring groove 5 is circumferentially and uniformly provided with ball grooves, and balls 6 are rotatably arranged in the ball grooves. The bottom of the oil storage tank 3 is communicated with the ball grooves through connecting holes. An oil groove 7 communicated with the upper ring groove 5 is opened at the middle end of the guide post body 1. The oil groove 7 is spiral. The spiral oil groove can increase the storage space and distribution area of the lubricating oil, improve the lubrication effect, reduce the wear and friction force of the guide post, and thus extend the service life of the guide post. When the guide sleeve moves up and down, it will contact the balls, causing the balls to roll. The lubricating oil carried out by the balls flows into the upper ring groove and then into the oil groove from the upper ring groove. Through the oil groove, the lubricating oil can be evenly attached, and there is no need to add lubricating oil for a long time. It has the functions of heat dissipation and cleaning, accelerates the flow rate of the lubricating oil, and reduces the friction between the guide post and the guide sleeve to reduce wear.

[0016] The upper end of the oil storage tank 3 is provided with internal threads, and a plug 4 is screwed at the internal threads. The plug is a set screw.

[0017] The number of the ball bearings 6 is greater than or equal to 2 and less than or equal to 6. Preferably, the number of the ball bearings is 4.

[0018] Refer to Figure 1 , a lower ring groove 9 connecting to the oil groove 7 is formed on the guide pillar body 1, and a connecting groove 8 communicates between the lower ring groove 9 and the upper ring groove 5. When the ball bearings roll, the lubricating oil in the oil storage groove will be carried out. The lubricating oil can enter the oil groove through the upper ring groove, the connecting groove and the lower ring groove. The oil groove can make the lubricating oil evenly adhere, with the functions of heat dissipation and cleaning, and can accelerate the flow rate of the lubricating oil.

[0019] A relief groove 10 is formed at the lower end of the stud 2. It is convenient for the tool to withdraw during the processing of the thread. After the tool finishes processing the thread, it can be easily withdrawn through the relief groove at the end, and it ensures that the thread size processed near the relief groove at the end of the thread meets the requirements.

[0020] The above are only the preferred embodiments of the present invention. It should be noted that for those of ordinary skill in the art, without departing from the technical principle of the present invention, several improvements and refinements can still be made, and these improvements and refinements should also be regarded as the protection scope of the present invention.

Claims

1. A guide column with lubrication function, characterized in that: It includes a guide column body, a stud is coaxially arranged on the top end of the guide column body, an upper ring groove is opened on the upper end of the guide column body, an oil storage groove extending to the upper ring groove is opened on the top end of the stud, the inner ring of the upper ring groove is uniformly distributed with ball grooves along the circumference of its axis, balls are rollingly arranged in the ball grooves, the bottom of the oil storage groove is connected to the ball groove through a connecting hole, and an oil groove connected to the upper ring groove is opened at the middle end of the guide column body.

2. A guide column with lubrication function as claimed in claim 1, characterized in that: An internal thread is arranged at the upper end of the oil storage tank, and a plug is screwed onto the internal thread.

3. A guide column with lubrication function as claimed in claim 1, characterized in that: The number of the balls is greater than or equal to 2 and less than or equal to 6.

4. A guide column with lubrication function as claimed in claim 1, characterized in that: The oil groove is spiral-shaped.

5. A guide column with lubrication function as claimed in claim 1, characterized in that: The guide column body is provided with a lower annular groove connected to the oil groove, and a connecting groove is connected between the lower annular groove and the upper annular groove.

6. A guide column with lubrication function as claimed in claim 1, characterized in that: A cutter recess is provided at the lower end of the stud.

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