Sleeve ejector rod type ball screw assembly

Abstract

The utility model discloses a sleeve ejector rod type ball screw pair which is characterized in that a ball screw pair body comprises a rod body, an inserting sleeve is arranged on the end portion of the rod body, a butt joint groove is formed in the end portion of the inserting sleeve, and a rotating shaft is arranged on the butt joint groove; a movable sleeve is arranged on the outer portion of the rod body, a first fixed disc and a second fixed disc are arranged at the two ends of the movable sleeve and fixed to the two ends of the movable sleeve through bolts, and an annular cavity is formed in the inner side wall of the movable sleeve; the annular cavity is provided with an upper cavity and a lower cavity, an annular partition plate is arranged between the upper cavity and the lower cavity, filter holes are formed in the annular partition plate, annular adsorption sponge is arranged in the upper cavity, and a through hole is formed in the upper cavity. The ball screw dismounting device has the advantages that the two ends of the ball screw can be conveniently fixed, and the dismounting stability is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of ball screws, in particular to a sleeve-top rod type ball screw pair. Background Art

[0002] Although the existing ball screw pair can be disassembled, it still has defects: 1. The sliding sleeve on the existing ball screw can only be fixed in one direction, which is not conducive to the disassembly and fixation of the shaft. At the same time, the existing shaft screw has poor rotation effect during the sliding process. Utility Model Content

[0003] The purpose of the utility model is to overcome the shortcomings of the prior art and to provide a sleeve-rod type ball screw pair which is conducive to convenient fixing of both ends of the ball screw and improves the stability of disassembly.

[0004] The purpose of the utility model is achieved through the following technical solutions: a sleeve-top rod type ball screw pair, comprising a ball screw pair body, the ball screw pair body comprising a rod body, an inserting sleeve is provided on the end of the rod body, and a docking groove is provided on the end of the inserting sleeve, and a rotating shaft is provided on the docking groove;

[0005] In the sleeve-rod type ball screw pair of the present invention, the docking groove and the rotating shaft are tightened by bolts, a movable sleeve is provided on the outside of the rod body, and fixed disc 1 and fixed disc 2 are provided on both ends of the movable sleeve, and fixed disc 1 and fixed disc 2 are fixed to the two ends of the movable sleeve by bolts, an annular cavity is provided on the inner side wall of the movable sleeve, and the annular cavity is provided with an upper cavity and a lower cavity, an annular partition is provided between the upper cavity and the lower cavity, and an annular partition is provided Filter hole, an annular adsorption sponge is arranged in the upper cavity, a through hole is provided in the upper cavity, and a rubber plug is provided on the through hole, the rubber plug is sealed and arranged on the movable sleeve, the fixed disc one and the fixed disc two are both provided with through hole thread one and through hole thread two, and the through hole thread one and the through hole thread two are arranged in an annular manner with equal spacing, the fixed disc one and the fixed disc two are both provided with through hole one in the middle, and a through hole two is provided next to the through hole, and the through hole two is arranged in an annular manner and with equal spacing.

[0006] In the sleeve-top rod type ball screw pair of the present invention, the through hole thread 1 and the through hole thread 2 are arranged in a ring with equal spacing, and there are at least six through hole threads 1 and 2, and the distance between the through hole thread 1 and the through hole thread 2 is 5-10 cm.

[0007] In the sleeve-top rod type ball screw pair of the present invention, fitting disc 2 and fitting disc 3 are provided on one side surface of the fixed disc 1 and the fixed disc 2, and the fixed disc 1 or the fixed disc 2 is connected to the fitting disc 2 or the fitting disc 3 by bolts.

[0008] In the sleeve-rod type ball screw pair of the present invention, the sizes of the fixed disc 1, the fixed disc 2, the fitting disc 2 and the fitting disc 3 are at least two, and the outside of the rod body is provided with an external thread.

[0009] In the sleeve-top rod type ball screw pair of the present invention, the docking groove is a square or circular structure, and the length of the rotating shaft is provided with at least two kinds, and the depth of the docking groove is provided with at least two kinds.

[0010] In the sleeve-rod type ball screw pair of the present invention, a sliding disc is provided on the movable sleeve, and the diameter of the through hole in the middle of the sliding disc is interference fit with the diameter of the rod body. The sliding disc has at least two diameters.

[0011] The utility model has the following advantages:

[0012] 1. The ball screw replica of the present invention includes a rod body, a plug-in sleeve is provided on the end of the rod body, and a docking groove is provided on the end of the plug-in sleeve, and a rotating shaft is provided on the docking groove;

[0013] The docking groove and the rotating shaft are tightened by bolts, a movable sleeve is provided on the outside of the rod body, and fixed disc one and fixed disc two are provided on both ends of the movable sleeve, fixed disc one and fixed disc two can be disassembled and installed according to actual needs, and fixed disc one and fixed disc two are fixed according to actual needs, which facilitates the fixation of the rotating shaft and enables the movable sleeve to be fixed in two directions, and fixed disc one and fixed disc two are fixed to the two ends of the movable sleeve by bolts, an annular cavity is provided on the inner wall of the movable sleeve, and the annular cavity is provided with an upper The upper and lower cavities are provided with an annular partition between the upper and lower cavities, and the annular partition is provided with filter holes. An annular adsorption sponge is provided in the upper cavity to collect relevant lubricating oil and facilitate the movement of the movable sleeve. A through hole is provided in the upper cavity, and a rubber plug is provided on the through hole. The rubber plug is sealed on the movable sleeve. Through hole thread one and through hole thread two are provided on the fixed disc one and the fixed disc two, and the through hole thread one and the through hole thread two are arranged with equal spacing in an annular shape, so that convenient installation and disassembly can be carried out, thereby improving applicability. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a structural diagram of the utility model;

[0015] Figure 2 This is a schematic structural diagram of the fixed disc 1 in the present utility model;

[0016] Figure 3 This is a schematic diagram of the structure of the second bonding disc in the present invention;

[0017] Figure 4 for Figure 1 A partial enlarged schematic diagram of point A in the middle;

[0018] Figure 5 for Figure 1 A partial enlarged schematic diagram of point B in the middle;

[0019] Figure 6 for Figure 1 A partial enlarged schematic diagram of point C in the middle.

[0020] In the figure, the ball screw replica body 1, the rod body 2, the plug sleeve 3, the docking groove 4, the rotating shaft 5, the bolt 6, the movable sleeve 7, the fixed disc 1 8, the fixed disc 2 9, the annular cavity 10, the upper cavity 11, the lower cavity 12, the annular partition 13, the filter hole 14, the annular adsorption sponge 15, the through hole 16, the rubber plug 17, the through hole thread 1 18, the through hole thread 2 19, the through hole 1 20, the through hole 2 21, the sliding disc 22, the fitting disc 2 23, and the fitting disc 3 24. DETAILED DESCRIPTION

[0021] The present invention is further described below in conjunction with the accompanying drawings. The scope of protection of the present invention is not limited to the following:

[0022] like Figures 1 to 6 As shown, a sleeve-top rod type ball screw pair includes a ball screw sub-body 1, the ball screw sub-body 1 includes a rod body 2, a plug-in sleeve 3 is provided on the end of the rod body 2, and a docking groove 4 is provided on the end of the plug-in sleeve 3, and a rotating shaft 5 is provided on the docking groove 4;

[0023] In this embodiment, the docking groove 4 and the rotating shaft 5 are tightened by bolts 6, a movable sleeve 7 is provided on the outside of the rod body 2, and a fixed disc 1 8 and a fixed disc 2 9 are provided at both ends of the movable sleeve 7, and the fixed disc 1 8 and the fixed disc 2 9 are fixed to the two ends of the movable sleeve 7 by bolts, an annular cavity 10 is provided on the inner wall of the movable sleeve 7, and the annular cavity 10 is provided with an upper cavity 11 and a lower cavity 12, an annular partition 13 is provided between the upper cavity 11 and the lower cavity 12, so that the adsorbed oil can be evenly dropped, and the annular partition 13 is provided A filter hole 14 and an annular adsorption sponge 15 are provided in the upper cavity 11. A through hole 16 is provided in the upper cavity 11, and a rubber plug 17 is provided on the through hole 16. The rubber plug 17 is sealed and set on the movable sleeve 7. The fixed disc 1 8 and the fixed disc 2 9 are both provided with a through hole thread 18 and a through hole thread 2 19, and the through hole thread 18 and the through hole thread 2 19 are arranged in an annular manner with equal spacing. A through hole 1 20 is provided on the middle part of the fixed disc 1 8 and the fixed disc 2 9, and a through hole 21 is provided next to the through hole 1 20. The through hole 21 is arranged in an annular manner and is arranged at equal spacing.

[0024] In this embodiment, the through-hole thread 18 and the through-hole thread 2 19 are arranged in a circular shape with equal spacing, and there are at least six through-hole threads 18 and through-hole threads 2 19. The distance between the through-hole thread 18 and the through-hole thread 2 19 is 5-10 cm, so that they can be effectively fixed. The fixing disc 1 8 and the fixing disc 2 9 are prefabricated in the factory, and the through-hole thread 18 and the through-hole thread 2 19 can also be omitted as needed.

[0025] In this embodiment, a fitting disc 23 and a fitting disc 3 24 are provided on one side surface of the fixed disc 1 8 and the fixed disc 2 9. The fixed disc 1 8 or the fixed disc 2 9 is connected to the fitting disc 2 23 or the fitting disc 3 24 by bolts, so that the fitting disc 2 23 or the fitting disc 3 24 is lifted up to ensure coordination with other components.

[0026] In this embodiment, the sizes of the fixed disc 1 8 , the fixed disc 2 9 , the fitting disc 2 23 and the fitting disc 3 24 are at least two, and the rod body 2 is provided with an external thread on the outside to enable sliding.

[0027] In this embodiment, the docking groove 4 is a square or circular structure and is configured according to needs. The lengths of the rotating shaft 5 are provided with at least two types, and the depths of the docking groove 4 are provided with at least two types.

[0028] In this embodiment, a sliding disc 22 is provided on the movable sleeve 7 , and the diameter of the through hole in the middle of the sliding disc 22 is interference fit with the diameter of the rod body 2 . The sliding disc 22 has at least two diameters.

[0029] Finally, it should be noted that the above description is merely a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art will be able to modify the technical solutions described in the aforementioned embodiments or replace some of the technical features therein with equivalents. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention shall be included within the scope of protection of the present invention.

Claims

1. A sleeve-and-rod type ball screw pair, characterized in that: The ball screw replica comprises a rod body, an insert sleeve is provided on the end of the rod body, a docking groove is provided on the end of the insert sleeve, and a rotating shaft is provided on the docking groove; The docking groove and the rotating shaft are tightened by bolts, and a movable sleeve is provided on the outside of the rod body, and a fixed disc 1 and a fixed disc 2 are provided at both ends of the movable sleeve, and the fixed disc 1 and the fixed disc 2 are fixed to the two ends of the movable sleeve by bolts, an annular cavity is provided on the inner wall of the movable sleeve, and the annular cavity is provided with an upper cavity and a lower cavity, an annular partition is provided between the upper cavity and the lower cavity, and a filter hole is provided on the annular partition, an annular adsorption sponge is provided in the upper cavity, a through hole is provided in the upper cavity, and a rubber plug is provided on the through hole, and the rubber plug is sealed on the movable sleeve, and the fixed disc 1 and the fixed disc 2 are both provided with a through hole thread 1 and a through hole thread 2, and the through hole thread 1 and the through hole thread 2 are arranged in an annular manner with equal spacing, and the middle parts of the fixed disc 1 and the fixed disc 2 are both provided with a through hole 1, and a through hole 2 is provided next to the through hole, and the through hole 2 is an annular arrangement and is arranged at equal spacing.

2. The sleeve-top rod type ball screw pair according to claim 1, characterized in that: The through hole thread 1 and the through hole thread 2 are arranged in a circular manner with equal spacing, and there are at least six through hole threads 1 and 2, and the distance between the through hole thread 1 and the through hole thread 2 is 5-10 cm.

3. The sleeve-top rod type ball screw pair according to claim 1, characterized in that: A fitting disc 2 and a fitting disc 3 are provided on one side surface of the fixing disc 1 and the fixing disc 2, and the fixing disc 1 or the fixing disc 2 is connected to the fitting disc 2 or the fitting disc 3 by bolts.

4. The sleeve-top rod type ball screw pair according to claim 1, characterized in that: The sizes of the fixed disc 1, the fixed disc 2, the fitting disc 2 and the fitting disc 3 are at least two, and the outside of the rod body is provided with an external thread.

5. The sleeve-top rod type ball screw pair according to claim 1, characterized in that: The docking groove is a square or circular structure, and the length of the rotating shaft is provided with at least two kinds of lengths, and the depth of the docking groove is provided with at least two kinds of depths.

6. The sleeve-top rod type ball screw pair according to claim 1, characterized in that: The movable sleeve is provided with a sliding disc, and the diameter of the through hole in the middle of the sliding disc is interference fit with the diameter of the rod body. The diameter of the sliding disc is provided with at least two types.

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