CN210799756U - Universal fixing seat for ball screw bearing - Google Patents

Abstract

The utility model relates to a general fixing base for ball screw bearing, the application scope of the existing ball screw bearing fixing base is too small, a ball screw bearing fixing base is only suitable for fixing a bearing with a fixed size, the following proposal is proposed, which comprises a first threaded rod of a bottom plate, a lower arc-shaped clamping base, an upper arc-shaped clamping base, an arc-shaped fixing plate and a U-shaped plate; the improved structure is characterized in that two groups of mounting holes are formed in the middle of the bottom plate, four groups of first threaded rods are perpendicularly mounted on the upper surface of the bottom plate close to four groups of right-angle openings, a lower arc-shaped clamping seat is mounted at the upper end of the bottom plate and penetrates through the four groups of first threaded rods, and two groups of limiting nuts are sleeved in the middle of the first threaded rods. The utility model discloses an install arc fixed plate, can reciprocate its height to adjust the distance of arc fixed plate to lower arc cassette arcwall face, finally can fix the bearing of different diameters, improved the fixity of whole fixing base to different model bearings.

Description

Universal fixing seat for ball screw bearing

Technical Field

The utility model relates to the technical field of mechanical equipment, especially, relate to a general fixing base for ball screw bearing.

Background

The bearing is as mechanical parts mainly used support mechanical rotator, reduce the coefficient of friction in its motion process, guarantee the normal operating of axle, need use ball screw bearing fixing base in the bearing installation with it fixed, current ball screw bearing fixing base application scope is too little, a ball screw bearing fixing base only is suitable for the bearing of fixed a model size, and can't adjust the height of bearing, consequently, need a general fixing base that is used for rolling screw bearing to solve this kind of problem.

The prior patent (publication number: CN207906303U) is a technical proposal: a general fixing base for ball screw bearing, its innovation point lies in: the clamping device comprises a fixed seat, a first screw rod, an end cover, a rotating head, a first guide groove, a first nut seat, a first inclined surface, a movable seat, a lower clamping groove, a pressing seat, an upper clamping groove, an oil cup, an oil hole, a locking screw, a mounting hole, a second guide groove, a second screw rod, a second nut seat, a second movable block, a second inclined surface, a third inclined surface, a fourth inclined surface and a first movable block; a first guide groove and a second guide groove are formed in the left side and the right side of the inner portion of the lower side of the fixing seat.

In the implementation of the utility model discloses the in-process, it does not solve to have following problem among the prior art at least to discover: 1. when the outer diameter of the bearing is smaller than the maximum width of the interior of the upper clamping groove, the universal fixing seat device for the ball screw rod bearing cannot fix the bearing, and the application range is limited; 2. this a general fixing base device for ball screw bearing can prevent after fixing the position of good bearing that the sliding seat from removing about, but need guarantee that whole fixing device can't remove when using, but the condition of rebound can appear in the sliding seat, then is not enough to bearing stability. This application has improved the fixity to the bearing of different diameters size through arc fixed plate.

SUMMERY OF THE UTILITY MODEL

The utility model provides a general fixing base for ball screw bearing has solved the unable stable fixed problem of bearing to different diameters size.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a universal fixed seat for a ball screw bearing comprises a first threaded rod of a bottom plate, a lower arc-shaped clamping seat, an upper arc-shaped clamping seat, an arc-shaped fixed plate and a U-shaped plate;

two groups of mounting holes are formed in the middle of the bottom plate, four groups of first threaded rods are vertically mounted on the upper surface of the bottom plate close to four groups of right-angled ports, a lower arc-shaped clamping seat is mounted at the upper end of the bottom plate and penetrates through the four groups of first threaded rods, two groups of limiting nuts are sleeved in the middle of the first threaded rods and are located on the upper surface and the lower surface of the lower arc-shaped clamping seat, four groups of strip bolts penetrate through the upper arc-shaped clamping seat close to the four groups of right-angled ports, the bottom ends of the strip bolts penetrate through and extend into the lower arc-shaped clamping seat, a U-shaped plate is fixedly mounted on the upper surface of the upper arc-shaped clamping seat, and the U-shaped plate;

the arc fixed plate is located inside the arc surface of the upper arc clamping seat, two sets of second threaded rods are fixedly mounted at the left end and the right end of the upper surface of the arc fixed plate, penetrate through the upper arc clamping seat and extend to the upper end of the U-shaped plate, two sets of limiting nuts are sleeved in the middle of the second threaded rods and are respectively located on the upper surface and the lower surface of the U-shaped plate.

Preferably, the circle centers of the arc-shaped surface of the lower arc-shaped clamping seat and the arc-shaped surface of the upper arc-shaped clamping seat are coincided on the same point.

Preferably, a layer of rubber cushion is pasted on the arc-shaped surfaces of the upper arc-shaped clamping seat, the lower arc-shaped clamping seat and the arc-shaped fixing plate.

Preferably, the limiting nut is matched with the first threaded rod and the second threaded rod.

Preferably, a rectangular groove is formed in the middle of the upper arc-shaped clamping seat, and the cross sectional area of the rectangular groove is equal to that of the arc-shaped fixing plate.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses an installation arc fixed plate, to its diameter size of bearing of different models probably all differ, through installing arc fixed plate, can reciprocate its height to adjust arc fixed plate to the distance of arc cassette arcwall face down, finally can fix the bearing of different diameters, improved the fixity of whole fixing base to different model bearings.

2. The utility model discloses to run through four first threaded rods of group and install in the bottom plate upper end arc cassette down, to under the bearing of different models or the actual operating conditions, all have the difference to the requirement of bearing height, can highly reciprocate down arc cassette according to the bearing is required to adjust the height of bearing, then will descend the arc cassette to fix through stop nut, improved the flexibility to bearing height control.

3. The utility model discloses a to lower the arc cassette cup joint on four threaded rods of group to fixed mounting is in the bottom plate upper end, will go up the arc cassette and run through arc cassette down through rectangular bolt, thereby make its and lower arc cassette fixed connection, it is all very convenient to the bearing of renewal or the lower upper and lower arc cassette of renewal, has improved the installation of whole fixing base and the convenience of dismantlement.

Drawings

Fig. 1 is a schematic overall structure diagram of a universal fixing seat for a ball screw bearing according to the present invention;

fig. 2 is a schematic top view of the universal fixing base for a ball screw bearing according to the present invention.

In the figure: 1. a base plate; 2. mounting holes; 3. a first threaded rod; 4. a lower arc-shaped clamping seat; 5. An upper arc-shaped clamping seat; 6. a rubber cushion; 7. a strip bolt; 8. an arc-shaped fixing plate; 9. a second threaded rod; 10. a U-shaped plate; 11. a limit nut; 12. a rectangular groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

In the description of the present invention, it should be noted that, unless explicitly stated or limited otherwise, the terms "mounted," "connected" and "disposed" are to be interpreted broadly, and may be, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed; the utility model discloses in provide only supply the reference with the model of electrical apparatus. For those skilled in the art, different types of electrical appliances with the same function can be replaced according to actual use conditions, and for those skilled in the art, the specific meaning of the above terms in the present invention can be understood in specific situations.

Referring to fig. 1-2, a universal fixing seat for a ball screw bearing comprises a base plate 1, a first threaded rod 3, a lower arc-shaped clamping seat 4, an upper arc-shaped clamping seat 5, an arc-shaped fixing plate 8 and a U-shaped plate 10;

two groups of mounting holes 2 are formed in the middle of the bottom plate 1, four groups of first threaded rods 3 are vertically mounted on the upper surface of the bottom plate 1 close to four groups of right-angled ports, a lower arc-shaped clamping seat 4 is mounted at the upper end of the bottom plate 1, the lower arc-shaped clamping seat 4 penetrates through the four groups of first threaded rods 3, two groups of limiting nuts 11 are sleeved in the middle of the first threaded rods 3, the two groups of limiting nuts 11 are located on the upper surface and the lower surface of the lower arc-shaped clamping seat 4, an upper arc-shaped clamping seat 5 is mounted on the upper surface of the lower arc-shaped clamping seat 4, four groups of strip bolts 7 are mounted on the upper arc-shaped clamping seat 5 close to the four groups of right-angled ports in a penetrating manner, the bottom ends of the strip bolts 7 extend into the lower arc-;

arc fixed plate 8 is located inside the arcwall face of last arc cassette 5, both ends fixed mounting has two sets of second threaded rod 9 about arc fixed plate 8 upper surface, second threaded rod 9 runs through the upper end that arc cassette 5 extended to U template 10, cup joint in the middle of the second threaded rod 9 and install two sets of stop nut 11, and is two sets of stop nut 11 is located the upper and lower surface of U template 10 respectively.

The circle centers of the arc-shaped surface of the lower arc-shaped clamping seat 4 and the arc-shaped surface of the upper arc-shaped clamping seat 5 are coincided on the same point.

Wherein, a layer of rubber cushion 6 is pasted on the arc surfaces of the upper arc clamping seat 5, the lower arc clamping seat 4 and the arc fixing plate 8.

Wherein, the limiting nut 11 is matched with the first threaded rod 3 and the second threaded rod 9.

A rectangular groove 12 is formed in the middle of the upper arc-shaped clamping seat 5, and the cross-sectional area of the rectangular groove 12 is equal to that of the arc-shaped fixing plate 8.

The utility model discloses during the use: fixing a bottom plate 1 through a mounting hole 2, placing a ball screw bearing on the arc-shaped surface of a lower arc-shaped clamping seat 4, fixedly mounting an upper arc-shaped clamping seat 5 on the upper surface of the lower arc-shaped clamping seat through a strip bolt 7, when the diameter of a bearing is larger than that of the arc-shaped surface of the lower arc-shaped clamping seat 4, adjusting the depth of the strip bolt 7 penetrating into the lower arc-shaped clamping seat 4, so that the upper arc-shaped clamping seat 5 and the lower arc-shaped clamping seat 4 fix the bearing to prevent the bearing from sliding, when the diameter of the bearing is smaller than that of the arc-shaped surface of the lower arc-shaped clamping seat 4, moving an arc-shaped fixing plate 8 downwards to fix the bearing from the upper end, rotating the arc-shaped fixing plate to the upper surface and the lower surface of a U-shaped plate 10 through two groups of limiting nuts 11, fixing the arc-shaped fixing plate 8, finally penetrating the lower arc, then fix it through two sets of stop nut 11 in the middle of first threaded rod 3, the design is simple, and the cost is lower, and is comparatively practical.

Above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the design of the present invention, equivalent replacement or change should be covered within the protection scope of the present invention.

Claims (5)

1. A universal fixed seat for a ball screw bearing is characterized by comprising a bottom plate (1), a first threaded rod (3), a lower arc-shaped clamping seat (4), an upper arc-shaped clamping seat (5), an arc-shaped fixed plate (8) and a U-shaped plate (10);

the middle of the bottom plate (1) is provided with two groups of mounting holes (2), four groups of first threaded rods (3) are vertically mounted on the upper surface of the bottom plate (1) close to four groups of right-angled holes, a lower arc-shaped clamping seat (4) is mounted at the upper end of the bottom plate (1), the lower arc-shaped clamping seat (4) penetrates through the four groups of first threaded rods (3), two groups of limiting nuts (11) are sleeved in the middle of the first threaded rods (3), the two groups of limiting nuts (11) are positioned on the upper surface and the lower surface of the lower arc-shaped clamping seat (4), an upper arc-shaped clamping seat (5) is mounted on the upper surface of the lower arc-shaped clamping seat (4), four groups of strip bolts (7) are mounted on the upper arc-shaped clamping seat (5) close to the four groups of right-angled holes in a penetrating manner, the bottom ends of the strip, the U-shaped plate (10) is of an inverted U-shaped structure;

arc fixed plate (8) are located inside the arcwall face of last arc cassette (5), both ends fixed mounting has two sets of second threaded rod (9) about arc fixed plate (8) upper surface, second threaded rod (9) run through the upper end that arc cassette (5) extend to U template (10), cup joint in the middle of second threaded rod (9) and install two sets of stop nut (11), two sets of stop nut (11) are located the upper and lower surface of U template (10) respectively.

2. A universal attachment for ball screw bearings according to claim 1, characterised in that the centre of the arc of the lower arc holder (4) coincides with the centre of the arc of the upper arc holder (5) at the same point.

3. A universal mounting base for a ball screw bearing according to claim 1, wherein a layer of rubber cushion (6) is adhered to the arc surfaces of the upper arc-shaped clamping base (5), the lower arc-shaped clamping base (4) and the arc-shaped fixing plate (8).

4. Universal holder for ball screw bearings according to claim 1, characterized in that the limit nut (11) matches both the first threaded rod (3) and the second threaded rod (9).

5. The universal fixing seat for the ball screw bearing according to claim 1 is characterized in that a rectangular groove (12) is formed in the middle of the upper arc-shaped clamping seat (5), and the cross-sectional area of the rectangular groove (12) is equal to that of the arc-shaped fixing plate (8).

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