A universal fixing seat for ball screw bearing

Abstract

The utility model discloses a universal fixing seat for ball screw bearing, comprising a fixing seat, a lower shaft seat is installed on the upper end of the fixing seat, a screw is connected to the interior of the lower shaft seat by threading, a stopper is sleeved on the outer side of the screw, a sliding strip is slidably sleeved on the interior of the lower shaft seat, the upper end of the sliding strip is fixedly connected to the upper shaft seat, and a supporting seat is fixedly welded on the upper end of the upper shaft seat. The universal fixing seat for ball screw bearing is convenient for fixing and installing the upper shaft seat by inserting the sliding strip into the interior of the lower shaft seat and rotating the stopper to block the sliding strip, and the sliding strip is freed from restraint by rotating the stopper, so that the upper shaft seat can be quickly removed by moving to one side. The design of the fixing plate and the stopper can limit the sliding strip and prevent the upper shaft seat from sliding automatically. By arranging a clamping groove in the lower shaft seat and the clamping seat, the bearing can be conveniently clamped to prevent the bearing from being pulled out by the ball screw.

Description

Technical Field

[0001] The utility model relates to the technical field of ball screw bearing devices, in particular to a universal fixing seat for ball screw bearings. Background Art

[0002] As a mechanical part, bearings are mainly used to support mechanical rotating bodies, reduce the friction coefficient during their movement, and ensure the normal operation of the shaft. During the installation of the bearings, a ball screw bearing fixing seat is required to fix them.

[0003] At present, the existing utility model can move the height of the arc-shaped fixing plate up and down by installing it, thereby adjusting the distance from the arc-shaped fixing plate to the arc-shaped surface of the lower arc-shaped holder, and finally can fix bearings of different diameters, thereby improving the fixation of the entire fixing seat to bearings of different models.

[0004] For example, a universal fixing seat for ball screw bearings disclosed in the authorization number CN210799756U includes a first threaded rod of a base plate, a lower arc-shaped holder, an upper arc-shaped holder, an arc-shaped fixing plate and a U-shaped plate; two groups of mounting holes are arranged in the middle of the base plate, four groups of first threaded rods are vertically mounted on the upper surface of the base plate near four groups of right-angle openings, a lower arc-shaped holder is installed on the upper end of the base plate, the lower arc-shaped holder passes through the four groups of first threaded rods, two groups of limiting nuts are sleeved and installed in the middle of the first threaded rod, the two groups of limiting nuts are located on the upper and lower surfaces of the lower arc-shaped holder, and an upper The arc-shaped holder has four groups of long bolts installed through the upper arc-shaped holder near the four groups of right-angle openings. The bottom ends of the long bolts extend through the interior of the lower arc-shaped holder. A U-shaped plate is fixedly installed on the upper surface of the upper arc-shaped holder. The U-shaped plate is an inverted "U"-shaped structure. The arc-shaped fixing plate is located inside the arc-shaped surface of the upper arc-shaped holder. Two groups of second threaded rods are fixedly installed on the left and right ends of the upper surface of the arc-shaped fixing plate. The second threaded rods extend through the upper arc-shaped holder to the upper end of the U-shaped plate. Two groups of limit nuts are installed in the middle of the second threaded rods. The two groups of limit nuts are respectively located on the upper and lower surfaces of the U-shaped plate. However, such a universal fixing seat for ball screw bearings is not convenient for quick disassembly and assembly of the upper shaft seat.

[0005] It can be seen from the solutions disclosed in the above-mentioned existing patent documents that it is not convenient to quickly disassemble and assemble the upper shaft seat. Therefore, it is necessary to improve the existing technology. Utility Model Content

[0006] The utility model aims to provide a universal fixing seat for a ball screw bearing, so as to solve the problem that it is inconvenient to quickly disassemble and assemble the upper shaft seat.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a universal fixing seat for a ball screw bearing, comprising a fixing seat, a lower shaft seat is installed on the upper end of the fixing seat, a screw is threadedly connected to the interior of the lower shaft seat, a block is sleeved on the outer side of the screw, a slide bar is slidably sleeved on the interior of the lower shaft seat, an upper end of the slide bar is fixedly connected to an upper shaft seat, a support seat is fixedly welded to the upper end of the upper shaft seat, a screw is sleeved on the interior of the support seat, a nut is threadedly connected to the outer side of the screw, a clamping seat is fixedly connected to the lower end of the screw, and a clamping groove is provided inside the clamping seat.

[0008] Preferably, the inner side of the stopper is in close contact with the slide bar, and a fixing plate is fixedly welded to one side of the lower shaft seat. By inserting the slide bar into the lower shaft seat and rotating the stopper to block the slide bar, the upper shaft seat can be fixedly installed conveniently.

[0009] Preferably, the side damping of the lower shaft seat is connected to a stopper, and the upper end of the lower shaft seat is tightly attached to the upper shaft seat. By rotating the stopper, the slide bar is freed from restraint, making it convenient to move to one side and quickly remove the upper shaft seat.

[0010] Preferably, the inner side of the stopper is in close contact with the upper shaft seat, and one side of the upper shaft seat is in close contact with a fixing plate. The design of the fixing plate and the stopper can limit the slide bar to prevent the upper shaft seat from sliding and moving automatically.

[0011] Preferably, the upper shaft seat is internally sleeved with a screw, and the lower shaft seat is internally provided with a slot. By providing the slots inside the lower shaft seat and the slots, the bearing can be conveniently engaged to prevent the bearing from being pulled out by the ball screw.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] 1. The inner side of the stopper of the utility model is close to the slide bar, and a fixing plate is fixedly welded on one side of the lower shaft seat. By inserting the slide bar into the lower shaft seat and rotating the stopper to block the slide bar, the upper shaft seat can be fixedly installed conveniently.

[0014] 2. The side damping connection block of the lower shaft seat of the utility model, the upper end of the lower shaft seat is close to the upper shaft seat, by rotating the block, the slide bar is freed from restraint, and it is convenient to move to one side to quickly remove the upper shaft seat.

[0015] 3. The inner side of the stopper of the utility model is in close contact with the upper shaft seat, and one side of the upper shaft seat is in close contact with a fixing plate. The design of the fixing plate and the stopper can limit the slide bar to prevent the upper shaft seat from sliding and moving automatically.

[0016] 4. The upper shaft seat of the utility model has an internal sleeve screw, and the lower shaft seat is provided with a slot inside. By providing the slots inside the lower shaft seat and the seat, the bearing can be conveniently connected to prevent the bearing from being pulled out by the ball screw. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0018] Figure 2 This is an enlarged sectional view of the lower shaft seat from the right side of the utility model;

[0019] Figure 3 It is a right side sectional view of the card holder of the utility model.

[0020] In the figure: 1 fixing seat, 11 lower shaft seat, 12 screw, 13 stopper, 14 slide bar, 15 upper shaft seat, 16 fixing plate, 2 supporting seat, 21 screw rod, 22 nut, 23 clamping seat, 24 clamping slot. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model. Example

[0022] See also Figure 1-3 A universal fixing seat for a ball screw bearing shown in the figure includes a fixing seat 1, a lower shaft seat 11 is installed on the upper end of the fixing seat 1, a screw 12 is threadedly connected to the interior of the lower shaft seat 11, a block 13 is sleeved on the outer side of the screw 12, a slide bar 14 is slidably sleeved on the interior of the lower shaft seat 11, an upper shaft seat 15 is fixedly connected to the upper end of the slide bar 14, a support seat 2 is fixedly welded to the upper end of the upper shaft seat 15, a screw 21 is sleeved on the interior of the support seat 2, a nut 22 is threadedly connected to the outer side of the screw 21, a clamping seat 23 is fixedly connected to the lower end of the screw 21, and a clamping groove 24 is arranged inside the clamping seat 23.

[0023] In order to facilitate the rapid removal of the upper shaft seat 15 by moving it to one side, the inner side of the block 13 is in close contact with the slide bar 14, and a fixing plate 16 is fixedly welded on one side of the lower shaft seat 11. By inserting the slide bar 14 into the lower shaft seat 11 and rotating the block 13 to block the slide bar 14, the upper shaft seat 15 is conveniently fixed and installed. The side damping of the lower shaft seat 11 is connected to the block 13, and the upper end of the lower shaft seat 11 is in close contact with the upper shaft seat 15. By rotating the block 13, the slide bar 14 is freed from restraint, making it convenient to move it to one side and quickly remove the upper shaft seat 15.

[0024] In this embodiment, the slide bar 14 is inserted into the lower shaft seat 11, and the stop block 13 is rotated to block the slide bar 14, so that the upper shaft seat 15 can be fixedly installed. By rotating the stop block 13, the slide bar 14 is freed from restraint, so that the upper shaft seat 15 can be moved to one side for quick removal. Example

[0025] See also Figure 1-3 The present embodiment further explains Example 1. The figure shows a universal fixing seat for a ball screw bearing, including a fixing seat 1, a lower shaft seat 11 is installed on the upper end of the fixing seat 1, a screw 12 is threadedly connected to the interior of the lower shaft seat 11, a block 13 is sleeved on the outer side of the screw 12, a slide bar 14 is slidably sleeved on the interior of the lower shaft seat 11, an upper shaft seat 15 is fixedly connected to the upper end of the slide bar 14, a support seat 2 is fixedly welded to the upper end of the upper shaft seat 15, a screw 21 is sleeved on the interior of the support seat 2, a nut 22 is threadedly connected to the outer side of the screw 21, a clamping seat 23 is fixedly connected to the lower end of the screw 21, and a clamping groove 24 is provided inside the clamping seat 23.

[0026] In order to prevent the bearing from being pulled out by the ball screw, the inner side of the stopper 13 is in close contact with the upper shaft seat 15, and one side of the upper shaft seat 15 is in close contact with a fixing plate 16. The design of the fixing plate 16 and the stopper 13 can limit the slide bar 14 to prevent the upper shaft seat 15 from sliding automatically. The upper shaft seat 15 is internally sleeved with a screw rod 21, and a slot 24 is provided inside the lower shaft seat 11. By providing the slot 24 inside the lower shaft seat 11 and the slot 23, the bearing can be conveniently connected to prevent the bearing from being pulled out by the ball screw.

[0027] In this embodiment, the design of the fixed plate 16 and the stopper 13 can limit the slide bar 14 to prevent the upper shaft seat 15 from sliding automatically. By providing a slot 24 inside the lower shaft seat 11 and the clamping seat 23, the bearing can be easily clamped to prevent the bearing from being pulled out by the ball screw.

[0028] The universal fixing seat for ball screw bearings can facilitate the fixing and installation of the upper shaft seat 15 by inserting the slide bar 14 into the lower shaft seat 11 and rotating the stopper 13 to block the slide bar 14. By rotating the stopper 13, the slide bar 14 is freed from restraint, and the upper shaft seat 15 can be quickly removed by moving to one side. The design of the fixing plate 16 and the stopper 13 can limit the slide bar 14 to prevent the upper shaft seat 15 from sliding automatically. By providing a slot 24 in the lower shaft seat 11 and the clamping seat 23, the bearing can be easily clamped to prevent the bearing from being pulled out by the ball screw.

[0029] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A universal fixing seat for a ball screw bearing, comprising a fixing seat (1), characterized in that: A lower shaft seat (11) is mounted on the upper end of the fixed seat (1), a screw (12) is threadedly connected to the interior of the lower shaft seat (11), a stopper (13) is sleeved on the outer side of the screw (12), a slide bar (14) is slidably sleeved on the interior of the lower shaft seat (11), an upper shaft seat (15) is fixedly connected to the upper end of the slide bar (14), a support seat (2) is fixedly welded to the upper end of the upper shaft seat (15), a screw rod (21) is sleeved on the interior of the support seat (2), a nut (22) is threadedly connected to the outer side of the screw rod (21), a clamping seat (23) is fixedly connected to the lower end of the screw rod (21), and a clamping groove (24) is provided inside the clamping seat (23).

2. A universal fixing seat for a ball screw bearing according to claim 1, characterized in that: The inner side of the stopper (13) is in close contact with the slide bar (14), and a fixing plate (16) is fixedly welded to one side of the lower shaft seat (11).

3. The universal fixing seat for ball screw bearing according to claim 1, characterized in that: The side damping connection block (13) of the lower shaft seat (11) is provided, and the upper end of the lower shaft seat (11) is tightly attached to the upper shaft seat (15).

4. The universal fixing seat for ball screw bearing according to claim 1, characterized in that: The inner side of the stopper (13) is in close contact with the upper shaft seat (15), and one side of the upper shaft seat (15) is in close contact with a fixing plate (16).

5. The universal fixing seat for ball screw bearing according to claim 1, characterized in that: The upper shaft seat (15) is internally sleeved with a screw rod (21), and the lower shaft seat (11) is internally provided with a clamping groove (24).

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