CN216939266U

CN216939266U - Bearing assembling jig

Info

Publication number: CN216939266U
Application number: CN202122244675.9U
Authority: CN
Inventors: 李佳
Original assignee: Dalian Chenjia Mechanical Equipment Co ltd
Current assignee: Dalian Chenjia Mechanical Equipment Co ltd
Priority date: 2021-09-16
Filing date: 2021-09-16
Publication date: 2022-07-12
Anticipated expiration: 2031-09-16

Abstract

The utility model is suitable for the technical field of jigs, and provides a bearing assembling jig, which comprises a supporting base and a supporting frame arranged on the supporting base, and further comprises: the workpiece fixing mechanism is arranged on the supporting base and used for fixing a workpiece; the bearing alignment adjusting mechanism is used for adjusting the alignment of the bearing, so that the bearing alignment is coaxial with the axis of the workpiece; the bearing centering adjustment mechanism comprises: the second arc clamping plates are symmetrically arranged above the workpiece; the extrusion taper block is fixed at the bottom of the second arc clamping plate; one end of the elastic extrusion component is fixed with the second arc clamping plate and used for limiting the second arc clamping plate; the sliding block is fixedly connected with one end, away from the second arc clamping plate, of the elastic extrusion assembly; the sliding block is connected with the supporting frame in a sliding mode, and the sliding block is elastically connected with the supporting base through a first elastic piece; the mounting precision of the bearing is more accurate.

Description

Bearing assembling jig

Technical Field

The utility model belongs to the technical field of jigs, and particularly relates to a bearing assembling jig.

Background

The jig is a tool for carpenters, ironmen, pliers, machines, electronic controls and other handicrafts, and is mainly used as a tool for assisting in controlling positions or actions (or both). The jig can be divided into a process assembly type jig, a project test type jig and a circuit board test type jig.

At present, antifriction bearing is the important part of axis of rotation, and the bearing inner race generally is interference fit with the transmission shaft, installs antifriction bearing and needs certain pressure on the transmission shaft, and the installation bearing all applys pressure to the bearing with bearing assembly tool at present to accomplish the assembly, like a portable hydrostatic bearing loading and unloading ware, including guide post and activity steel sheet, through placing bearing and part on the activity steel sheet, rethread drive activity steel sheet removes towards the guide post, thereby accomplishes the installation in pressing the part with the bearing.

However, the above-mentioned device has the disadvantages that most of the bearing assembling jigs have, that is, the bearing assembling jigs do not have the function of aligning the axis, and the function of adjusting the position between the bearing and the part is not provided, so that the bearing is easily installed on the part in an inclined manner, the service life of the bearing is reduced, and the bearing is easily damaged.

SUMMERY OF THE UTILITY MODEL

The embodiment of the utility model aims to provide a bearing assembling jig, and aims to solve the problems that most bearing assembling jigs do not have the function of aligning the axis, so that a bearing is easy to be obliquely arranged on a rotating shaft, the service life of the bearing is shortened, and the bearing is easy to damage.

The embodiment of the utility model is realized in such a way that the bearing assembling jig comprises a supporting base and a supporting frame arranged on the supporting base, and further comprises:

the workpiece fixing mechanism is arranged on the supporting base and used for fixing a workpiece; and

the bearing alignment adjusting mechanism is used for adjusting the alignment of the bearing, so that the bearing alignment is coaxial with the axis of the workpiece;

the bearing centering adjustment mechanism comprises:

the second arc clamping plates are symmetrically arranged above the workpiece;

the extrusion conical block is fixed at the bottom of the second arc clamping plate;

one end of the elastic extrusion component is fixed with the second arc clamping plate and used for limiting the second arc clamping plate; and

the sliding block is fixedly connected with one end, away from the second arc clamping plate, of the elastic extrusion assembly;

the sliding block is connected with the supporting frame in a sliding mode, and the sliding block is elastically connected with the supporting base through a first elastic piece;

the sliding block is fixedly connected with a support, a pressing piece which is right opposite to the position between the two second arc clamping plates is installed on the support, and the pressing piece is used for pressing a bearing so that the bearing is installed in a workpiece.

Preferably, the inner side surface of the extrusion cone block is a conical surface.

Preferably, the pressing piece is an air cylinder, the air cylinder is installed on the support, and a piston rod of the air cylinder extends to the bottom of the support and is fixedly connected with the extrusion block.

Preferably, the bracket includes a connecting plate disposed corresponding to the two sliders and a supporting plate connecting the two connecting plates.

Preferably, the elastic pressing assembly comprises:

the connecting rod is fixedly connected with the second arc clamping plate;

the outer diameter of the second sliding part is larger than that of the connecting rod and is fixedly connected with the connecting rod; and

the sliding sleeve is fixedly connected with the sliding block and is in sliding connection with the second sliding piece;

the sliding sleeve is provided with a sliding groove matched with the second sliding piece, and the bottom of the sliding groove is elastically connected with the second sliding piece through a second elastic piece.

Preferably, the workpiece fixing mechanism includes:

the first arc clamping plates are symmetrically arranged on two sides of the workpiece;

the first sliding part is fixedly connected with the first arc clamping plate and is in sliding connection with the supporting base;

the nut block is fixedly connected with the first sliding piece;

the two-way screw rod is in threaded connection with the two nut blocks; and

and the driving piece is used for driving the bidirectional screw rod to rotate.

Preferably, the two-way screw is rotatably connected with a fixing plate fixedly connected with the support base, and a damping is arranged between the two-way screw and the fixing plate.

According to the bearing assembling jig provided by the embodiment of the utility model, the workpiece fixing mechanism and the bearing aligning adjusting mechanism are arranged, so that the mounting precision of the bearing is more accurate, and the problems that most bearing assembling jigs do not have the function of aligning the axis, the bearing is easily installed on the rotating shaft in an inclined mode, the service life of the bearing is shortened, and the bearing is easily damaged are solved.

Drawings

Fig. 1 is a schematic structural diagram of a bearing assembly fixture according to an embodiment of the present invention;

fig. 2 is a structural diagram of a sliding sleeve in the bearing assembling jig according to the embodiment of the present invention;

fig. 3 is a three-dimensional structure diagram of a second arc clamping plate and an extrusion reducing block in the bearing assembling jig according to the embodiment of the utility model.

In the drawings: 1. a support base; 2. a support frame; 3. a first arc clamping plate; 4. a first slider; 5. a nut block; 6. a bidirectional screw; 7. a fixing plate; 8. a slider; 9. a sliding sleeve; 10. a connecting rod; 11. a second arc clamping plate; 12. extruding the reducing block; 13. a connecting plate; 14. a support plate; 15. a cylinder; 16. extruding the block; 17. a first elastic member; 18. a second slider; 19. a chute; 20. a second elastic member.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.

Specific implementations of the present invention are described in detail below with reference to specific embodiments.

As shown in fig. 1, a schematic structural diagram of a bearing assembling jig provided in an embodiment of the present invention includes a supporting base 1, a supporting frame 2 disposed on the supporting base 1, and further includes:

the workpiece fixing mechanism is arranged on the support base 1 and used for fixing a workpiece; and

the bearing centering adjustment mechanism comprises:

the second arc clamping plates 11 are symmetrically arranged above the workpiece;

the extrusion reducing block 12 is fixed at the bottom of the second arc clamping plate 11;

one end of the elastic extrusion component is fixed with the second arc clamping plate 11 and used for limiting the second arc clamping plate 11; and

the sliding block 8 is fixedly connected with one end, away from the second arc clamping plate 11, of the elastic extrusion assembly;

the sliding block 8 is connected with the supporting frame 2 in a sliding mode, and the sliding block 8 is elastically connected with the supporting base 1 through a first elastic piece 17;

the sliding block 8 is fixedly connected with a support, a pressing piece which is right opposite to the position between the two second arc clamping plates 11 is installed on the support, and the pressing piece is used for pressing a bearing so that the bearing is installed in a workpiece.

In the embodiment of the utility model, a bearing is clamped between two second arc clamping plates 11, then the bearing is fixed through the elasticity of the elastic extrusion assembly, then a workpiece is fixed through a workpiece fixing mechanism, then the support is pressed, the support extrudes the sliding block 8, the sliding block 8 extrudes the first elastic part 17 until the extrusion diameter-changing block 12 is not contacted with the workpiece, the top surface edge of the workpiece extrudes the inner side surface of the extrusion diameter-changing block 12 until the inner diameter enclosed between the two second arc clamping plates 11 is the same as the inner diameter of the workpiece, at this time, in the direction shown in fig. 1, the bearing falls into a bearing groove of the workpiece, and finally the pressing part is started to extrude the bearing to install the bearing into the workpiece.

It should be stated that, when the inner diameter enclosed between the two second arc clamping plates 11 is the same as the inner diameter of the workpiece, the distance between the second arc clamping plates 11 and the workpiece is already slightly indeterminable, and when the bracket is continuously pressed, the bearing is separated from the two second arc clamping plates 11 and is opposite to the bearing groove of the workpiece when the bearing falls into the workpiece.

In one case of this embodiment, the inner side surface of the reducing extrusion block 12 may be not only a conical surface as shown in fig. 2, but also an inclined surface, as long as the inner diameter gradually increases in a direction toward the workpiece.

In one aspect of this embodiment, the compressing member is an air cylinder 15, the air cylinder 15 is mounted on the bracket, a piston rod of the air cylinder 15 extends to the bottom of the bracket and is fixedly connected with a squeezing block 16, and the bearing can be compressed by the squeezing block 16.

In one case of this embodiment, the support comprises a connecting plate 13 corresponding to the two sliding blocks 8 and a supporting plate 14 connecting the two connecting plates 13, and by this arrangement, it is convenient to press the supporting plate 14 so that the bearing moves downward in the direction of fig. 1 under the fixation of the two second circular arc clamping plates 11.

As shown in fig. 1 and 3, as a preferred embodiment of the present invention, the elastic pressing assembly includes:

the connecting rod 10 is fixedly connected with the second arc clamping plate 11;

a second slider 18 having an outer diameter larger than the connecting rod 10 and fixedly connected thereto; and

the sliding sleeve 9 is fixedly connected with the sliding block 8 and is in sliding connection with the second sliding part 18;

the sliding sleeve 9 is provided with a sliding groove 19 matched with the second sliding part 18, and the bottom of the sliding groove 19 is elastically connected with the second sliding part 18 through a second elastic part 20.

In the embodiment of the present invention, when the top surface edge of the workpiece presses the inner side surface of the reducing extrusion block 12, because the workpiece is fixed on the support base 1, the reducing extrusion block 12 drives the second arc clamping plate 11 to move outward, the second arc clamping plate 11 presses the connecting rod 10, the connecting rod 10 drives the second sliding member 18 to press the second elastic member 20 along the sliding groove 19, and the position is limited by the elastic force of the second elastic member 20.

As shown in fig. 1, as another preferred embodiment of the present invention, the work fixing mechanism includes:

the first arc clamping plates 3 are symmetrically arranged on two sides of the workpiece;

the first sliding part 4 is fixedly connected with the first arc clamping plate 3 and is in sliding connection with the support base 1;

a nut block 5 fixedly connected with the first slider 4;

the bidirectional screw 6 is in threaded connection with the two nut blocks 5; and

and the driving piece is used for driving the bidirectional screw 6 to rotate.

In the embodiment of the utility model, the bidirectional screw 6 is in threaded connection with the two nut blocks 5, so that the centers of the two nut blocks 5 can be kept at one position, namely the axes of the workpieces are always in the same position, the workpieces and bearings with different specifications can be installed, and the positioning is accurate; by rotating the bidirectional screw 6, the bidirectional screw 6 drives the nut block 5 to drive the first sliding part 4 to approach each other along the supporting base 1, and the first sliding part 4 drives the first arc clamping plate 3 to clamp and fix a workpiece.

In one aspect of this embodiment, the two-way screw 6 is rotatably connected with a fixing plate 7 fixedly connected with the support base 1, a damping is provided between the two-way screw 6 and the fixing plate 7, the two-way screw 6 can be fixed through the fixing plate 7, and the damping can prevent the two-way screw 6 from rotating, so as to move the first arc clamping plate 3.

In practical applications, the driving member may be a rotating handle as shown in fig. 1, and in addition, the driving member may also be a motor for driving the bidirectional screw 6 to rotate, which may be selected according to practical needs, and is not limited herein.

The bearing assembling jig provided by the embodiment of the utility model has the advantages that the workpiece fixing mechanism and the bearing aligning adjusting mechanism are arranged, so that the bearing is more accurate in installation precision, and the problems that most bearing assembling jigs do not have the function of aligning the axis, the bearing is easy to be obliquely installed on the rotating shaft, the service life of the bearing is shortened, and the bearing is easy to damage are solved.

The above description is intended to be illustrative of the preferred embodiment of the present invention and should not be taken as limiting the utility model, but rather, the intention is to cover all modifications, equivalents, and alternatives falling within the spirit and scope of the utility model.

Claims

1. The utility model provides a bearing assembly jig, includes the supporting pedestal, set up in support frame on the supporting pedestal, its characterized in that still includes:

the bearing alignment adjustment mechanism comprises:

the second arc clamping plates are symmetrically arranged above the workpiece;

the extrusion taper block is fixed at the bottom of the second arc clamping plate;

the sliding block is fixedly connected with one end, far away from the second arc clamping plate, of the elastic extrusion assembly;

2. The bearing assembling jig of claim 1, wherein the inner side surface of the extrusion cone block is a conical surface.

3. The bearing assembling jig of claim 1, wherein the pressing member is an air cylinder, the air cylinder is mounted on the support, and a piston rod of the air cylinder extends to the bottom of the support and is fixedly connected with the extrusion block.

4. The bearing assembling jig according to claim 1, wherein the bracket includes a connecting plate provided corresponding to the two sliders and a supporting plate connecting the two connecting plates.

5. The bearing assembling jig of claim 1, wherein the elastic pressing member comprises:

the connecting rod is fixedly connected with the second arc clamping plate;

6. The bearing assembling jig of claim 1, wherein the workpiece fixing mechanism comprises:

the nut block is fixedly connected with the first sliding piece;

the two-way screw rod is in threaded connection with the two nut blocks; and

7. The bearing assembling jig of claim 6, wherein the bidirectional screw is rotatably connected with a fixing plate fixedly connected with the support base, and a damping is provided between the bidirectional screw and the fixing plate.