CN219466074U - Shaft sleeve drawing device - Google Patents

Abstract

The utility model discloses a shaft sleeve drawing device which comprises a pull claw, a pull rod assembly, a support frame assembly and a rotating shaft assembly, wherein the pull rod assembly is arranged on the support frame assembly; the pull claw is connected with the bushing; the pull rod assembly is connected with the pull claw, and the pull claw is driven to move by the pull rod assembly; the rotating shaft assembly is arranged on the supporting frame assembly and movably connected with the pull rod assembly, and the pull rod assembly is driven to move by rotating the rotating shaft assembly, so that the pull claw is driven to move outwards to take out the bushing. The utility model provides a shaft sleeve drawing device which can be used when a bushing is taken out of a base. The device simple structure, operation safe and reliable, convenient and fast, greatly reduced staff intensity of labour has promoted the operating efficiency.

Description

Shaft sleeve drawing device

Technical Field

The utility model relates to a shaft sleeve drawing device, and belongs to the technical field of engineering machinery manufacturing.

Background

When the bushing needs to be taken out, the existing drawing device is mostly manually operated to be matched with a copper rod to knock the bushing out, and an electric tool cannot be used. Because the outer wall of the bushing is in interference fit with other parts, the bushing taking-out time is long, and the labor intensity is high.

Disclosure of Invention

The utility model aims to solve the defects in the prior art and provides a shaft sleeve drawing device which is suitable for the technical problem that a bushing is difficult to take out from a base.

The utility model is realized according to the following technical scheme:

a bushing pulling apparatus, comprising:

a pull claw connected with the bushing;

the pull rod assembly is connected with the pull claw and drives the pull claw to move;

a support frame assembly;

the rotating shaft assembly is installed on the supporting frame assembly and movably connected with the pull rod assembly, and the pull rod assembly is driven to move through rotating the rotating shaft assembly, so that the pull claw is driven to move outwards to take out the bushing.

In some embodiments, the pull claw is of an L-shaped structure and is used for tightly clamping the inner wall and the bottom end of the bushing.

In some embodiments, the plurality of pull claws are uniformly spaced apart in the circumferential direction on the pull rod assembly by the fastening member.

In some embodiments, the tie rod assembly comprises:

the pulling claw is connected with the flange through a fastening component;

the sleeve is a hollow pipe, and one end of the sleeve is connected with the flange plate;

and the nut is arranged at the other end of the sleeve.

In some embodiments, the spindle assembly comprises:

a threaded shaft, one end of which is in threaded fit with a nut in the pull rod assembly;

the mounting seat is connected with the support frame assembly through a fastener;

the bearing is arranged in the mounting seat, and the other end of the threaded shaft tightly penetrates into the bearing;

and the bearing end cover is connected with the mounting seat through a fastener, and the threaded shaft can penetrate out of the bearing end cover.

In some embodiments, the bearing is composed of a thrust ball bearing and a deep groove ball bearing, and a spacer is sleeved on a threaded shaft between the thrust ball bearing and the deep groove ball bearing.

In some embodiments, the threaded shaft end that protrudes from the bearing end cap is provided as a hexagonal post.

In some embodiments, the support bracket assembly comprises:

the mounting plate is used for assembling the rotating shaft assembly;

a support ring;

and the supporting rod is arranged between the mounting plate and the supporting ring.

In some embodiments, a plurality of support rods are circumferentially uniformly spaced between the mounting plate and the support ring.

The utility model has the beneficial effects that:

the utility model provides a shaft sleeve drawing device which can be used when a bushing is taken out of a base. The device simple structure, operation safe and reliable, convenient and fast, greatly reduced staff intensity of labour has promoted the operating efficiency.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model. It is evident that the drawings in the following description are only examples, from which other drawings can be obtained by a person skilled in the art without the inventive effort.

In the drawings:

FIG. 1 is a schematic view of a sleeve drawing apparatus according to the present utility model;

FIG. 2 is a schematic view of a pull rod assembly according to the present utility model;

FIG. 3 is a schematic view of a support frame assembly according to the present utility model;

FIG. 4 is a schematic diagram of a spindle assembly according to the present utility model;

fig. 5 is a schematic structural diagram of a spindle assembly according to the present utility model.

In the figure: the device comprises a pulling claw 1, a fastening screw 2, a flange plate 3, a sleeve 4, a supporting ring 5, a supporting rod 6, a nut 7, a mounting disc 8, a rotating shaft assembly 9, a threaded shaft 9-1, a mounting seat 9-2, a bearing end cover 9-3, a fastening screw 9-4, a thrust ball bearing 9-5, a spacer bush 9-6 and a deep groove ball bearing 9-7.

It should be noted that these drawings and the written description are not intended to limit the scope of the inventive concept in any way, but to illustrate the inventive concept to those skilled in the art by referring to the specific embodiments.

Description of the embodiments

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions in the embodiments will be clearly and completely described with reference to the accompanying drawings in the embodiments of the present utility model, and the following embodiments are used to illustrate the present utility model, but are not intended to limit the scope of the present utility model.

In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

As shown in fig. 1, a shaft sleeve drawing device comprises a drawing claw 1, a drawing rod assembly, a supporting frame assembly and a rotating shaft assembly 9; the pull claw 1 is connected with the bushing; the pull rod assembly is connected with the pull claw 1, and the pull claw 1 is driven to move by the pull rod assembly; the rotating shaft assembly 9 is arranged on the supporting frame assembly and movably connected with the pull rod assembly, and the pull rod assembly is driven to move by rotating the rotating shaft assembly 9, so that the pull claw 1 is driven to move outwards to take out the bushing.

With continued reference to fig. 1, the pull claw 1 has an L-shaped structure and is used for tightly hooking the inner wall and the bottom end of the bushing.

The preferable scheme is as follows: the three pull claws 1 are uniformly and alternately arranged on the flange plate 3 along the circumferential direction through the fastening screws 2, so that the stress is more uniform.

As shown in fig. 2, the pull rod assembly comprises a flange plate 3, a sleeve 4 and a nut 7; the pull claw 1 is connected with the flange plate 3 through a fastening screw 2; the sleeve 4 is a hollow pipe, and one end of the sleeve is connected with the flange 3; a nut 7 is mounted at the other end of the sleeve 4. The pull rod components are connected through a welding process, so that the components are high in rigidity and are not easy to deform.

As shown in fig. 3, the support frame assembly includes a mounting plate 8, a support ring 5, and a support bar 6; the mounting plate 8 is used for assembling a rotating shaft assembly 9; the support bar 6 is mounted between the mounting plate 8 and the support ring 5.

The preferable scheme is as follows: the three support rods 6 are arranged between the mounting plate 8 and the support ring 5 at regular intervals in the circumferential direction. The support frame subassembly is through three bracing piece 6 with support ring 5 and mounting disc 8 welded connection for the subassembly rigidity is great be difficult for taking place to warp, and the staff of being convenient for when using improves the practical ratio at any angle operation simultaneously by three bracing piece 6.

As shown in fig. 4 and 5, the rotating shaft assembly 9 comprises a threaded shaft 9-1, a mounting seat 9-2, a bearing and a bearing end cover 9-3, wherein one end of the threaded shaft 9-1 is in threaded fit with a nut 7 in the pull rod assembly; the mounting seat 9-2 is connected with the mounting plate 8 through a fastener; the bearing is arranged in the mounting seat 9-2, and the other end of the threaded shaft 9-1 tightly penetrates into the bearing; the bearing cap 9-3 is connected to the mount 9-2 by a fastening screw 9-4, and the threaded shaft 9-1 can be passed out of the bearing cap 9-3.

The preferable scheme is as follows: the bearing consists of a thrust ball bearing 9-5 and a deep groove ball bearing 9-7, and a spacer bush 9-6 is sleeved on a threaded shaft 9-1 between the thrust ball bearing 9-5 and the deep groove ball bearing 9-7. The deep groove ball bearing 9-7 and the thrust ball bearing 9-5 are matched in use, so that the rotating shaft assembly can bear radial load and axial load simultaneously, is applicable to high rotating speed, is durable and does not need frequent maintenance. A spacer 9-6 is additionally arranged between a deep groove ball bearing 9-7 and a thrust ball bearing 9-5 selected in the rotating shaft assembly to overcome axial movement of the bearings.

The preferable scheme is as follows: the threaded shaft end portion passing out of the bearing cap 9-3 is provided as a hexagonal column.

In summary, the pull claw 1 is connected with the flange plate 3 through the fastening screw 2; the flange 3, the sleeve 4 and the nut 7 are connected together through welding to form a pull rod assembly; the support ring 5, the support rod 6 and the mounting disc 8 are connected together through welding to form a support frame assembly; the shaft 9-1, the mounting seat 9-2, the bearing end cover 9-3, the fastening screw 9-4, the thrust ball bearing 9-5, the spacer bush 9-6 and the deep groove ball bearing 9-7 are connected together according to the assembly sequence to form the rotating shaft assembly 9. When the shaft sleeve drawing device is used, the drawing claw 1 is tightly attached to the inner wall and the bottom end of the bushing, the electric tool is used for driving the shaft 9-1 to rotate so that the rotating shaft assembly rotates, the supporting frame assembly plays a role in fixing, and then the rotating shaft assembly drives the pull rod assembly to move outwards, so that the bushing is finally taken out. The utility model relates to a shaft sleeve drawing device which is applicable to all bushing drawing processes in the manufacturing industry.

In the description provided herein, numerous specific details are set forth. However, it is understood that embodiments of the utility model may be practiced without these specific details. In some instances, well-known methods, structures and techniques have not been shown in detail in order not to obscure an understanding of this description.

Furthermore, those skilled in the art will appreciate that while some embodiments described herein include some features contained in other embodiments, but not others, combinations of features of different embodiments are equally meant to be within the scope of the utility model and form different embodiments. For example, in the above embodiments, those skilled in the art can use the above embodiments in combination according to known technical solutions and technical problems to be solved by the present application.

The foregoing description is only illustrative of the preferred embodiment of the present utility model, and is not to be construed as limiting the utility model, but is to be construed as limiting the utility model to any simple modification, equivalent variation and variation of the above embodiments according to the technical matter of the present utility model without departing from the scope of the utility model.

Claims (9)

1. A bushing pulling apparatus, comprising:

a pull claw connected with the bushing;

the pull rod assembly is connected with the pull claw and drives the pull claw to move;

a support frame assembly;

the rotating shaft assembly is installed on the supporting frame assembly and movably connected with the pull rod assembly, and the pull rod assembly is driven to move through rotating the rotating shaft assembly, so that the pull claw is driven to move outwards to take out the bushing.

2. A bushing pulling apparatus as defined in claim 1, wherein:

the pull claw is of an L-shaped structure and is used for tightly attaching and hooking the inner wall and the bottom end of the bushing.

3. A bushing pulling apparatus as defined in claim 1, wherein:

the plurality of pull claws are uniformly and alternately arranged on the pull rod assembly along the circumferential direction through the fastening part.

4. A sleeve pulling apparatus as defined in claim 1, wherein said pull rod assembly includes:

the pulling claw is connected with the flange through a fastening component;

the sleeve is a hollow pipe, and one end of the sleeve is connected with the flange plate;

and the nut is arranged at the other end of the sleeve.

5. A bushing pulling apparatus as defined in claim 1, wherein said spindle assembly includes:

a threaded shaft, one end of which is in threaded fit with a nut in the pull rod assembly;

the mounting seat is connected with the support frame assembly through a fastener;

the bearing is arranged in the mounting seat, and the other end of the threaded shaft tightly penetrates into the bearing;

and the bearing end cover is connected with the mounting seat through a fastener, and the threaded shaft can penetrate out of the bearing end cover.

6. A bushing pulling apparatus as defined in claim 5, wherein:

the bearing consists of a thrust ball bearing and a deep groove ball bearing, and a spacer bush is sleeved on a threaded shaft between the thrust ball bearing and the deep groove ball bearing.

7. A bushing pulling apparatus as defined in claim 5, wherein:

the end part of the threaded shaft penetrating out of the bearing end cover is set to be a hexagonal column.

8. A bushing pulling device as defined in claim 1, wherein said support frame assembly includes:

the mounting plate is used for assembling the rotating shaft assembly;

a support ring;

and the supporting rod is arranged between the mounting plate and the supporting ring.

9. A bushing pulling apparatus as defined in claim 8, wherein:

the plurality of support rods are evenly arranged between the mounting plate and the support ring at intervals along the circumferential direction.