CN216298646U

CN216298646U - Bearing sleeve positioning tool

Info

Publication number: CN216298646U
Application number: CN202122843872.2U
Authority: CN
Inventors: 李桂军
Original assignee: Suzhou Lihang Precision Manufacturing Co ltd
Current assignee: Suzhou Lihang Precision Manufacturing Co ltd
Priority date: 2021-11-18
Filing date: 2021-11-18
Publication date: 2022-04-15
Anticipated expiration: 2031-11-18

Abstract

The utility model belongs to the technical field of bearing sleeve processing, in particular to a bearing sleeve positioning tool which comprises a mandrel, one end of the core shaft is sleeved with a part, the surface of one end of the core shaft sleeved with the part is provided with a ring groove, the surface of one end of the core shaft sleeve connecting part is provided with a taper sleeve, the interior of the taper sleeve is connected with a bolt in a penetrating way, the upper end of the bolt is fixedly provided with the baffle ring, the utility model takes the middle hole of the part as the positioning reference, the matching clearance between the diameter of the mandrel and the inner hole of the part is 0.01-0.1, the part can be fixed only by slightly expanding the mandrel and is completely matched with the inner hole of the workpiece, the deformation can be reduced, the assembly and disassembly are convenient, other surfaces of the part are completely exposed, the whole machining of one-time clamping is completed, the relative precision of the part is guaranteed by the process method, the efficient clamping is suitable for large-batch production, the deformation of the thin-wall part can be effectively prevented, the product precision is guaranteed, and the part can be fastened when the hole diameter is adaptive to change.

Description

Bearing sleeve positioning tool

Technical Field

The utility model belongs to the technical field of bearing sleeve processing, and particularly relates to a bearing sleeve positioning tool.

Background

The bearing sleeve is a part of an automobile driving system, each automobile needs 2 parts, the monthly demand of customers is 6 thousands of parts, the part is characterized by being a thin-walled sleeve, one end of the thin-walled sleeve is large, the other end of the thin-walled sleeve is small, the requirement on the form and position tolerance of the outer surface of the part is high, the concentricity requirement of each excircle is 0.015, the verticality requirement of the end surface on a reference is 0.015, the precision requirement can only be guaranteed by a technological method and the precision of a machine tool, the machining of the surfaces as many as possible is completed by one-time clamping, and the whole machining is completed by one-time clamping of the reference surface and a contour surface with the relevant requirement on the reference surface, so that the cost is high and the operation is complicated.

SUMMERY OF THE UTILITY MODEL

In order to solve the problems in the prior art, the utility model provides a bearing sleeve positioning tool which has the characteristics of improving the efficiency, reducing the cost and ensuring the product precision.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a bearing sleeve location frock, includes the dabber, the part has been cup jointed to dabber one end, the annular has been seted up on the one end surface of core axle hub connection part, core axle hub connection part one end surface is provided with the taper sleeve, the inside through connection of taper sleeve has the bolt, the fixed fender ring that is provided with in bolt upper end.

According to the preferable technical scheme of the bearing sleeve positioning tool, a sinking groove for mounting a taper sleeve, a bolt and a baffle ring is formed in one end of a core shaft sleeve connecting part, and a thread groove connected with the bolt in a screwing mode is formed in the sinking groove in the core shaft.

As the preferable technical scheme of the bearing sleeve positioning tool, the size of the outermost end of the mandrel sinking groove is equal to that of the taper sleeve.

As the preferable technical scheme of the bearing sleeve positioning tool, the baffle ring also moves between the screw connection of the bolt baffle ring and the taper sleeve butt joint mandrel.

As a preferred technical scheme of the bearing sleeve positioning tool, the sunken groove in the mandrel and the annular groove are correspondingly formed in and out.

Compared with the prior art, the utility model has the beneficial effects that: the utility model takes the middle hole of the part as the positioning reference, the matching gap between the diameter of the mandrel and the inner hole of the part is 0.01-0.1, the part can be fixed as long as the mandrel slightly expands, the part is fully matched with the inner hole of the workpiece, the deformation can be reduced, the assembly and disassembly are convenient, other surfaces of the part are fully exposed, and the processing of one-time clamping is completed. The precision of the workpiece is ensured by a technological method through one-time clamping processing, the assembly and disassembly are very convenient, and only one screw needs to be screwed and loosened.

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 principles of the utility model and not to limit the utility model. In the drawings:

FIG. 1 is a schematic structural diagram of the present invention before socket connection;

FIG. 2 is a schematic structural diagram of a main view after the socket joint of the present invention;

FIG. 3 is a schematic front view in half section of FIG. 2 according to the present invention;

in the figure: 1. a mandrel; 2. a part; 3. a ring groove; 4. a taper sleeve; 5. a bolt; 6. and (4) a baffle ring.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Examples

Referring to fig. 1-3, the present invention provides the following technical solutions: a bearing sleeve positioning tool comprises a mandrel 1, a part 2 is sleeved at one end of the mandrel 1, a ring groove 3 is formed in the surface of one end, sleeved with the part 2, of the mandrel 1, a taper sleeve 4 is arranged on the surface of one end, sleeved with the part 2, of the mandrel 1, a bolt 5 is connected inside the taper sleeve 4 in a penetrating mode, and a baffle ring 6 is fixedly arranged at the upper end of the bolt 5.

Specifically, the sinking groove for installing the taper sleeve 4, the bolt 5 and the baffle ring 6 is formed in the end, sleeved with the part 2, of the mandrel 1, the thread groove connected with the bolt 5 in a screwing mode is formed in the sinking groove in the mandrel 1, clamping and machining are conducted once in the embodiment, the precision of the workpiece is guaranteed by means of a technological method, the assembly and disassembly are very convenient, and only one screw needs to be screwed down and loosened.

Specifically, the size of the outermost end of the sinking groove formed in the mandrel 1 is equal to that of the taper sleeve 4, the size of the taper sleeve 4 is equal to that of the sinking groove, and the diameter of the mandrel 1 is 0.01-0.1 of the matching gap between the inner hole of the part 2, so that the part 2 can be fixed only by slightly expanding the mandrel 1.

Specifically, the baffle ring 6 also moves between the bolt 5, the baffle ring 6, the screw connection and the conical sleeve 4 butt joint mandrel 1.

Specifically, the internal and external correspondence of 1 inside heavy groove of dabber and annular 3 is seted up, sets up the dabber 1 that guarantees to set up heavy groove one end each other in this embodiment and extrudees the better expansion of ability to stabilize the extrusion at the one end of dabber 1 with part 2.

The working principle and the using process of the utility model are as follows: selecting a machine tool with the required spindle precision within 0.005 (a new numerical control lathe); turning soft claws by self, and boring the end surface with the diameter of 90 degrees; installing a mandrel, and checking that the end face runout of the excircle of the mandrel is less than 0.1; mounting parts, matching an inner hole of a workpiece with the mandrel, tightly attaching the end face, and screwing a screw by a hexagonal wrench to fix the workpiece; programming all surfaces capable of being machined; and (4) unloading the part after finishing the machining, and cleaning the inner hole of the workpiece and the mandrel before machining.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the utility model. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a bearing sleeve location frock which characterized in that: including dabber (1), part (2) have been cup jointed to dabber (1) one end, annular (3) have been seted up on the one end surface that dabber (1) cup jointed part (2), dabber (1) cup joints part (2) one end surface and is provided with taper sleeve (4), taper sleeve (4) inside through connection has bolt (5), bolt (5) upper end is fixed and is provided with fender ring (6).

2. The bearing sleeve positioning tool according to claim 1, characterized in that: the inner part of one end of the mandrel (1) sleeved with the part (2) is provided with a sink groove for installing the taper sleeve (4), the bolt (5) and the baffle ring (6), and the sink groove in the mandrel (1) is provided with a screw groove connected with the bolt (5) in a screwing mode.

3. The bearing sleeve positioning tool according to claim 1, characterized in that: the size of the outermost end of the sinking groove formed by the mandrel (1) is equal to that of the taper sleeve (4).

4. The bearing sleeve positioning tool according to claim 1, characterized in that: the baffle ring (6) also moves between the bolt (5) and the baffle ring (6) which are in spiral connection and the cone sleeve (4) which are butted with the mandrel (1).

5. The bearing sleeve positioning tool according to claim 1, characterized in that: the inner sink groove of the mandrel (1) and the ring groove (3) are correspondingly arranged inside and outside.