CN218927570U

CN218927570U - Clamp for clamping bearing ring of turntable

Info

Publication number: CN218927570U
Application number: CN202223532697.6U
Authority: CN
Inventors: 崔长江
Original assignee: Luoyang Yufanda Precision Bearing Manufacturing Co ltd
Current assignee: Luoyang Yufanda Precision Bearing Manufacturing Co ltd
Priority date: 2022-12-29
Filing date: 2022-12-29
Publication date: 2023-04-28
Anticipated expiration: 2032-12-29

Abstract

The application relates to a clamp for clamping a turntable bearing ring, comprising: the workbench is characterized in that a plurality of fixing seats are uniformly distributed on the circumference of the upper end of the workbench, a fixing frame is arranged on the fixing seat, a lifting mechanism is arranged on the fixing frame, a pressing plate is arranged at the lower end of the lifting mechanism, a clamping area is formed between the pressing plate and the fixing seat, and the lifting mechanism is used for driving the pressing plate to be close to or far away from the fixing seat so as to press or loosen a bearing ring to be processed. The end face is pressed and fixed, and the ferrule is prevented from being deformed and damaged.

Description

Clamp for clamping bearing ring of turntable

Technical Field

The utility model relates to the technical field of bearing machining, in particular to a clamp for clamping a turntable bearing ring.

Background

The turntable bearing is a slewing mechanism with an outer ring rotating and an inner ring supporting, the turntable bearing comprises three rows of rollers, the three rows of rollers can bear radial force and overturning moment, the turntable bearing ring is hard-turned, the ring is required to be fixedly arranged on a vertical lathe workbench and accurately positioned, then the ring is machined, as shown in fig. 4, a radial clamping mode is adopted, and the ring is easy to deform and damage due to the fact that the ring is narrow and thin.

Disclosure of Invention

Aiming at the problems in the prior art, the utility model provides the clamp for clamping the bearing ring of the turntable, which adopts end face compaction and fixation to avoid deformation and damage of the ring.

The technical scheme adopted by the utility model for solving the technical problems is as follows: a clamp for clamping a turntable bearing ring, comprising: the workbench is characterized in that a plurality of fixing seats are uniformly distributed at the upper end of the workbench in a circumference manner, a fixing frame is arranged on the fixing seat, a lifting mechanism is arranged on the fixing frame, a pressing plate is arranged at the lower end of the lifting mechanism, a clamping area is formed between the pressing plate and the fixing seat, and the lifting mechanism is used for driving the pressing plate to be close to or far away from the fixing seat so as to press or loosen a bearing ring to be processed.

Preferably, the fixing frame is 7-shaped and comprises a horizontal part and a vertical part, and the lifting mechanism is arranged on the horizontal part.

Preferably, the lifting mechanism comprises a compression bolt and a guide rod, the compression bolt penetrates through the horizontal portion in a threaded mode, the end portion of the compression bolt is connected with the compression plate in a rotating mode, and the guide rod is arranged at the upper end of the compression plate and penetrates through the horizontal portion in a sliding mode.

Preferably, a rubber pad is arranged at the lower end of the compacting plate.

Preferably, the vertical part is provided with a limit bolt, and the end part of the limit bolt is provided with a rubber sleeve facing to the bearing ring to be processed.

Preferably, the fixing seat is I-shaped, and the fixing seat is connected with the workbench through a fixing bolt.

Preferably, the lower end face of the fixing seat is provided with a waist-shaped through hole, and the fixing bolt is arranged in the waist-shaped through hole in a penetrating manner.

The beneficial effects of this application are: 1. through setting up elevating system, pressure strip and fixing base, form the clamping area between pressure strip and the fixing base, place the bearing ring of waiting to process on the fixing base, elevating system drives the pressure strip and is close to the fixing base to realize axial compaction or loosen and wait to process the bearing ring, compare in prior art's radial compaction, this application is fixed through axial compaction, effectively avoids the lasso to warp and damage.

2. This application is through setting up the rubber pad, avoids the pinch plate to treat processing bearing ring and causes the damage.

3. According to the radial limit device, the radial limit of the bearing ring to be processed is realized by arranging the limit bolt and the rubber sleeve, and the damage to the peripheral surface of the outer ring of the bearing ring to be processed is avoided by arranging the rubber sleeve.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a side view of the holder of the present utility model;

FIG. 3 is a schematic view of A-A of FIG. 2;

fig. 4 is a prior art schematic.

The marks in the figure: 1. the bearing ring comprises a workbench, 2, fixing bolts, 3, a fixing seat, 301, a waist-shaped through hole, 4, a rubber sleeve, 5, a supporting shaft, 6, a fixing frame, 601, a vertical part, 602, a horizontal part, 7, a compression bolt, 8, a guide rod, 9, a compression plate, 10, a rubber pad, 11 and a bearing ring to be processed.

Detailed Description

The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that in the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more; the terms "upper," "lower," "left," "right," "inner," "outer," "front," "rear," "head," "tail," and the like are used as an orientation or positional relationship based on that shown in the drawings, merely to facilitate description of the utility model and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the utility model. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

Referring to fig. 1-3, an embodiment of the present utility model provides a fixture for clamping a bearing ring of a turntable, including: the workstation 1, workstation 1 upper end is circumference equipartition and has a plurality of fixing bases 3, be equipped with mount 6 on the fixing base 3, be equipped with elevating system on the mount 6, the elevating system lower extreme is equipped with pinch plate 9, form the clamping area between pinch plate 9 and the fixing base 3, elevating system is used for driving pinch plate 9 and is close to or keep away from fixing base 3 to realize compressing tightly or unclamping waiting to process bearing ring 11, and workstation 1 is the workstation of prior art vertical lathe, and this application is not here in the detailed description.

Wherein, as shown in fig. 1, mount 6 is 7 shape and includes horizontal part 602 and vertical part 601, elevating system sets up on horizontal part 602, elevating system includes hold-down bolt 7 and guide bar 8, hold-down bolt 7 screw thread runs through horizontal part 602 and tip and pinch plate 9 rotation are connected, guide bar 8 sets up at pinch plate 9 upper end and guide bar 8 upper end slip run through horizontal part 602, and guide bar 8 is two and is located the hold-down bolt 7 both sides respectively, and the guide bar has played the effect of direction, guide bar 8 lower extreme and pinch plate 9 upper end fixed connection, elevating system lift principle: the pressing bolt 7 is rotated to enable the pressing bolt 7 to move downwards, so that the pressing plate 9 is driven to move downwards, the pressing bolt 7 is rotated to enable the pressing bolt 7 to move upwards, so that the pressing plate 9 is driven to move upwards, and the pressing plate 9 moves downwards or upwards to press or loosen the bearing ring 11 to be machined.

Specifically, as shown in fig. 1, the vertical portion 601 is provided with a limit bolt 5, the end portion of the limit bolt 5 is provided with a rubber sleeve 4 facing the bearing ring 11 to be processed, radial limit of the bearing ring to be processed is achieved, the rubber sleeve 4 is arranged, damage to the peripheral surface of the outer ring of the bearing ring 11 to be processed is avoided, the axis of the limit bolt 5 faces the central axis of the bearing ring 11 to be processed and is perpendicular to the central axis of the bearing ring 11 to be processed, and the axis of the hold-down bolt 7 is perpendicular to the axis of the limit bolt 5.

In addition, as shown in fig. 1, fig. 2 and fig. 3, fixing base 3 is the I shape, fixing base 3 is connected with workstation 1 through fixing bolt 2, fixing base 3 lower terminal surface is equipped with waist type through-hole 301, fixing base 3 includes roof, bottom plate and the riser that is located between roof and the bottom plate, roof, riser and bottom plate are made as an organic wholely, mount 6 sets up in the roof upper end, waist type through-hole 301 sets up on the bottom plate, waist type through-hole 301 is four and two a set of distributions in the riser both sides, two waist type through-holes 301 that are located the homonymy are along length direction's axis coincidence, two waist type through-holes 301 interval setting that are located the homonymy, fixing bolt 2 wears to establish waist type through-hole 301 and in waist type through-hole 301 movable setting, a plurality of fixing bases 3 are around forming a location circle, waist type through-hole 301 is along the centre of a circle of a length direction's axis orientation location circle, the axis orientation of spacing bolt 5 is just perpendicular with the central axis of location circle, through setting up waist type through-hole 301 and fixing bolt 2 for fixing base 3 can be along the radial direction adjustment of location circle, thereby treat different external diameter of applicable scope of the lasso as to be suitable for the outer diameter of bearing 11.

The working principle of the application is as follows: the bearing ring 11 to be processed is placed in the clamping area, namely the bearing ring 11 to be processed is placed at the upper end of the fixed seat 3, the rubber sleeve 4 is abutted against the outer circumferential surface of the bearing ring 11 to be processed by the rotary limiting bolt 5, radial limiting is achieved, the rotary pressing bolt 7 moves downwards, and accordingly the pressing plate 9 is driven to move downwards until the end face of the bearing ring 11 to be processed is pressed, and the bearing ring is fixed through axial pressing, so that deformation damage of the bearing ring is effectively avoided.

Of course, the utility model is not limited to the embodiments described above, but several other embodiments based on the design concept of the utility model are provided below.

For example, in other embodiments, unlike the above-described embodiments, as shown in fig. 1, a rubber pad 10 is provided at the lower end of the pressing plate 9, and by providing the rubber pad, the pressing plate 9 is prevented from damaging the bearing ring 11 to be processed.

For example, in other embodiments, unlike the above-described embodiments, the upper end surface of the fixing base 3 is provided with a rubber pad 10 to further protect the bearing ring 11 to be processed.

It should be noted that the above embodiments are only for illustrating the present utility model, but the present utility model is not limited to the above embodiments, and any simple modification, equivalent variation and modification of the above embodiments according to the technical substance of the present utility model falls within the protection scope of the present utility model.

Claims

1. A clamp for clamping a bearing ring of a turntable, comprising:

the workbench (1) is characterized in that a plurality of fixing seats (3) are uniformly distributed at the upper end of the workbench in a circumference manner, a fixing frame (6) is arranged on the fixing seat (3), a lifting mechanism is arranged on the fixing frame (6), a pressing plate (9) is arranged at the lower end of the lifting mechanism, a clamping area is formed between the pressing plate (9) and the fixing seat (3), and the lifting mechanism is used for driving the pressing plate (9) to be close to or far away from the fixing seat (3) so as to press or loosen a bearing ring (11) to be processed.

2. A clamp for clamping a bearing ring of a turntable as claimed in claim 1, wherein: the fixing frame (6) is 7-shaped and comprises a horizontal part (602) and a vertical part (601), and the lifting mechanism is arranged on the horizontal part (602).

3. A clamp for clamping a bearing ring of a turntable as claimed in claim 2, characterized in that: the lifting mechanism comprises a compression bolt (7) and a guide rod (8), wherein the compression bolt (7) penetrates through the horizontal portion (602) in a threaded mode, the end portion of the compression bolt is rotationally connected with the compression plate (9), and the guide rod (8) is arranged at the upper end of the compression plate (9) and penetrates through the horizontal portion (602) in a sliding mode.

4. A clamp for clamping a bearing ring of a turntable according to claim 2 or 3, characterized in that: the lower end of the compacting plate (9) is provided with a rubber pad (10).

5. A clamp for clamping a bearing ring of a turntable as claimed in claim 4, wherein: the vertical part (601) is provided with a limit bolt (5), and the end part of the limit bolt (5) is provided with a rubber sleeve (4) facing to a bearing ring (11) to be processed.

6. A clamp for clamping a bearing ring of a turntable as claimed in claim 1, wherein: the fixing seat (3) is I-shaped, and the fixing seat (3) is connected with the workbench (1) through the fixing bolt (2).

7. A clamp for clamping a bearing ring of a turntable as claimed in claim 6, wherein: the fixing seat (3) is characterized in that a waist-shaped through hole (301) is formed in the lower end face of the fixing seat (3), and the fixing bolt (2) is arranged in the waist-shaped through hole (301) in a penetrating mode and is movably arranged in the waist-shaped through hole (301).