CN220839108U - Fixing device for needle bearing - Google Patents

Abstract

The utility model discloses a fixing device for a needle bearing, which comprises a bottom plate, wherein a positioning column is fixed in the center of the upper surface of the bottom plate, a conical head is fixed at the upper end part of the positioning column, a bearing body is sleeved at the upper end of the conical head, a top plate is arranged above the bearing body, supporting columns are fixed between the top plate and the bottom plate and close to four corners, a lifting pneumatic cylinder is fixed in the center of the upper surface of the top plate, a push rod at the lower end of the lifting pneumatic cylinder penetrates through the top plate to be fixedly connected with a pressing mechanism, when the bearing body is subjected to outer ring processing, the push rod is sleeved on the conical head on the positioning column, and the lifting pneumatic cylinder drives the pressing mechanism to descend so that a plurality of pressing rods horizontally press the edge of the bearing body to finish clamping when the outer ring of the bearing body is processed, and the arranged conical head can meet the requirements of the bearing bodies with different inner diameters, so that the clamping fixing of the bearing body is more flexible.

Description

Fixing device for needle bearing

Technical Field

The utility model relates to the technical field of needle bearing machining, in particular to a fixing device for a needle bearing.

Background

Needle bearings are provided with thin and long rollers, so that the radial structure is compact, the inner diameter size and the load capacity of the needle bearings are the same as those of other types of bearings, the outer diameter is minimum, and the needle bearings are particularly suitable for supporting results with limited radial installation size.

The utility model provides a publication number is CN218427800U chinese patent, it discloses a fixing device for bearing processing, including the bottom plate and place the case, the top fixedly connected with base box of bottom plate, place the first servo motor of left side fixedly connected with of case, the output fixedly connected with first screw rod of first servo motor, the right side fixedly connected with connecting rod of first screw rod, the right side fixedly connected with second screw rod of connecting rod, the equal threaded connection in surface of first screw rod and second screw rod has the swivel nut, the top fixedly connected with movable rod of swivel nut, the inboard top fixedly connected with cassette of movable rod. The utility model is provided with the first servo motor, the first screw rod, the connecting rod, the second screw rod, the screw sleeve, the movable rod, the clamping seat, the electric telescopic rod, the fixing plate and the rubber clamping sleeve, and solves the problem that the conventional fixing device does not have the function of fixing bearings with different diameters when in use, so that the fixing device is inconvenient for people to use.

The fixing device for needle bearing processing is clamped in the inner ring of the bearing body through the rubber clamping sleeve when the bearing outer ring is processed, so that the bearing outer ring is convenient to process, but the outer diameter of the rubber clamping sleeve is fixed, so that the positioning and clamping of bearings with different inner diameters cannot be met, and the clamping flexibility is insufficient when the needle bearing is processed.

Disclosure of utility model

In order to solve the problem that the fixing device for needle bearing processing cannot meet the requirement of positioning and clamping bearings with different inner diameters, the application provides the fixing device for needle bearing, which adopts the following technical scheme:

The utility model provides a fixing device for bearing, which comprises a base plate, the upper surface center of bottom plate is fixed with the reference column, and the upper end fixing of reference column has the conical head, the upper end cover of conical head is equipped with the bearing body, and the top of bearing body is provided with the roof, be close to four corners between roof and the bottom plate and all be fixed with the support column, and the upper surface center of roof is fixed with the lift pneumatic cylinder, the ejector pin of lift pneumatic cylinder lower extreme passes roof and hold-down mechanism fixed connection, and hold-down mechanism's lower surface mounting has a plurality of four depression bars that can carry out position adjustment, the upper surface of bottom plate still is fixed with a plurality of clamping mechanism that press from both sides the bearing body.

Optionally, the hold-down mechanism includes the lifter plate, and the direction draw-in groove of cross has been seted up to the lower surface of lifter plate, and the upper being close to of lifter plate both ends position all is fixed with the guide bar of vertical run through roof about.

Optionally, a clamping block clamped in the guiding clamping groove is fixed at the upper end of the pressure rod, and a pressing plate is fixed at the lower end of the pressure rod.

Optionally, the lower extreme of reference column is fixed with the inserted bar, and the upper surface of bottom plate is fixed with the fixed cover with inserted bar complex.

Optionally, the clamping mechanism includes the fixed plate of fixing on the bottom plate, and one side that the fixed plate kept away from the reference column is fixed with the clamp pneumatic cylinder, and the ejector pin of clamp pneumatic cylinder passes fixed plate fixedly connected with splint.

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

According to the utility model, when the outer ring of the bearing body is processed, the bearing body is sleeved on the conical head on the positioning column, and the lifting pneumatic cylinder drives the pressing mechanism to descend, so that the plurality of pressing rods horizontally press the edge of the bearing body, and clamping of the bearing body in the outer ring processing process is completed, and the conical head can meet the requirements of the sleeve mounting of the bearing bodies with different inner diameters, so that the clamping and fixing of the bearing body are more flexible.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some examples of the present utility model and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a cross-sectional view of a needle bearing retainer of the present utility model;

FIG. 2 is a schematic view of a pressing mechanism of a needle bearing retainer according to the present utility model;

FIG. 3 is a schematic view of a plunger of a needle bearing retainer according to the present utility model;

FIG. 4 is a schematic view of a positioning column of a needle bearing retainer according to the present utility model;

Fig. 5 is a schematic view of a clamping mechanism of a needle bearing fixing device according to the present utility model.

In the figure: 1. a bottom plate; 110. a fixed sleeve; 2. a clamping mechanism; 21. clamping a pneumatic cylinder; 22. a fixing plate; 23. a clamping plate; 3. a support column; 4. a top plate; 5. a compressing mechanism; 51. a guide rod; 52. a lifting plate; 53. a guide clamping groove; 6. lifting pneumatic cylinders; 7. a compression bar; 71. a clamping block; 72. a pressing plate; 8. a bearing body; 9. positioning columns; 91. a conical head; 92. and (5) inserting a column.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments. All other embodiments, based on the embodiments of the utility model, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the utility model. Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model.

Referring to fig. 1 and 4 specifically, a fixing device for needle bearing includes a base plate 1, the upper surface center of the base plate 1 is fixed with a reference column 9, and the upper end of the reference column 9 is fixed with a conical head 91, the lower end of the reference column 9 is fixed with a plug 92, the upper surface of the base plate 1 is fixed with a fixed sleeve 110 matched with the plug 92, the reference column 9 is fixedly installed in the fixed sleeve 110 through the plug 92, the upper end of the conical head 91 is sleeved with a bearing body 8, the top of the bearing body 8 is provided with a top plate 4, support columns 3 are fixed between the top plate 4 and the base plate 1 near four corners, the upper surface center of the top plate 4 is fixed with a lifting pneumatic cylinder 6, the top rod at the lower end of the lifting pneumatic cylinder 6 passes through the top plate 4 and is fixedly connected with a pressing mechanism 5, the lower surface of the pressing mechanism 5 is provided with a plurality of pressing rods 7 capable of carrying out position adjustment, the upper surface of the base plate 1 is also fixed with a plurality of clamping mechanisms 2 for clamping the bearing body 8, when the bearing body 8 is processed in an outer ring, the bearing body 8 is sleeved on the conical head 9, the upper end of the conical head 91 is fixedly sleeved with the bearing body, the supporting body 8, the four pressing rods 3 are fixed with the pressing rods 3 through the pressing mechanisms 6, the pressing the lower surface of the bearing body 8 is further can be clamped by the pressing mechanism 8, the bearing body 8, and the inner diameter of the bearing body 8 is more than the bearing body 8 is fixed by the pressing the bearing body 8 through the pressing mechanism 8, and the pressing mechanism 8 by the pressing device by the lower than the pressing mechanism 8.

Referring to fig. 2 specifically, the pressing mechanism 5 includes a lifting plate 52, a cross-shaped guiding slot 53 is formed in the lower surface of the lifting plate 52, the lifting plate 52 slides and clamps the pressing rod 7 through the guiding slot 53, guiding rods 51 vertically penetrating through the top plate 4 are fixed on the lifting plate 52 near the left and right ends, and the guiding rods 51 lift and guide the lifting plate 52.

Referring to fig. 3, a clamping block 71 clamped in the guiding clamping groove 53 is fixed at the upper end of the pressing rod 7, the pressing rod 7 is slidably clamped in the guiding clamping groove 53 through the clamping block 71, a pressing plate 72 is fixed at the lower end of the pressing rod 7, and the pressing rod 7 compresses the bearing body 8 by using the pressing plate 72.

Referring to fig. 5 specifically, the clamping mechanism 2 includes a fixing plate 22 fixed on the base plate 1, a clamping pneumatic cylinder 21 is fixed on a side of the fixing plate 22 away from the positioning column 9, and a top rod of the clamping pneumatic cylinder 21 passes through the fixing plate 22 and is fixedly connected with a clamping plate 23, and the clamping pneumatic cylinder 21 drives the clamping plate 23 to clamp and fix an outer ring of the bearing body 8 so as to process an inner ring of the bearing body 8.

Working principle: when the bearing body 8 is processed in the outer ring, the bearing body 8 is sleeved on the conical head 91, the positions of the pressing rods 7 on the lifting plate 52 are adjusted at the moment, so that the four pressing rods 7 are uniformly aligned with the bearing body 8, then the lifting plate 52 is driven to descend through the lifting pneumatic cylinder 6, so that the pressing rods 7 are pressed on the bearing body 8 to complete clamping and fixing, and at the moment, the outer ring of the bearing body 8 can be processed.

The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, and various modifications and variations may be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims (5)

1. The utility model provides a fixing device for bearing, includes bottom plate (1), its characterized in that: the utility model discloses a clamping mechanism, including bottom plate (1), bearing body (8), supporting column (3), elevating cylinder (6), push rod, clamping mechanism (2), supporting column (3), supporting column (6), elevating cylinder (6) lower extreme push rod passes roof (4) and hold-down mechanism (5) fixed connection, and the lower surface mounting of hold-down mechanism (5) has a plurality of depression bars (7) that can carry out position adjustment, the upper surface of bottom plate (1) still is fixed with a plurality of clamping mechanism (2) that press from both sides bearing body (8) between roof (4) and bottom plate (1), be close to four corners all is fixed with support column (3), and the upper surface center of roof (4), the push rod of elevating cylinder (6) lower extreme passes roof (4) and hold-down mechanism (5) fixed connection.

2. The fixing device for the needle bearing according to claim 1, wherein the pressing mechanism (5) comprises a lifting plate (52), a cross-shaped guide clamping groove (53) is formed in the lower surface of the lifting plate (52), and guide rods (51) vertically penetrating through the top plate (4) are fixed at positions, close to the left end and the right end, of the lifting plate (52).

3. The fixing device for needle bearings according to claim 2, characterized in that a clamping block (71) clamped in the guiding clamping groove (53) is fixed at the upper end of the pressing rod (7), and a pressing plate (72) is fixed at the lower end of the pressing rod (7).

4. The fixing device for the needle bearing according to claim 1, wherein the lower end of the positioning column (9) is fixed with a plug column (92), and the upper surface of the bottom plate (1) is fixed with a fixing sleeve (110) matched with the plug column (92).

5. The fixing device for the needle bearing according to claim 1, wherein the clamping mechanism (2) comprises a fixing plate (22) fixed on the bottom plate (1), a clamping pneumatic cylinder (21) is fixed on one side of the fixing plate (22) away from the positioning column (9), and a push rod of the clamping pneumatic cylinder (21) penetrates through the fixing plate (22) to be fixedly connected with a clamping plate (23).