CN216828480U

CN216828480U - Hot riveting positioning tool and hot riveting equipment for high-speed heavy-load ball bearing

Info

Publication number: CN216828480U
Application number: CN202123161732.3U
Authority: CN
Inventors: 唐大超; 陈振林; 戴之钧; 马傲然; 梁露露; 王广; 林奎
Original assignee: Bahuan Technology Group Co ltd; Bahuan Bearing Changxing Co ltd
Current assignee: Bahuan Technology Group Co ltd; Bahuan Bearing Changxing Co ltd
Priority date: 2021-12-16
Filing date: 2021-12-16
Publication date: 2022-06-28
Anticipated expiration: 2031-12-16

Abstract

The utility model relates to a bearing field specifically discloses a rivet hot location frock and rivet hot equipment for high-speed heavy load ball bearing. The hot riveting positioning tool comprises a body, wherein the upper end of the body is provided with a mounting surface, the mounting surface is provided with a plurality of receiving bosses, and the receiving bosses are distributed annularly; the upper end of the bearing boss is provided with an accommodating groove; the side of body is circumference locating surface, circumference locating surface on be equipped with a plurality of circumference location portions. The rivet hot riveting positioning tool can accurately position the rivet, improve the hot riveting efficiency, reduce the damage of the retainer in the hot riveting process and ensure the product quality.

Description

Hot riveting positioning tool and hot riveting equipment for high-speed heavy-load ball bearing

Technical Field

The utility model relates to a bearing field, concretely relates to hot riveting location frock and hot riveting equipment for high-speed heavy load ball bearing.

Background

The ball bearing is one of the most common bearing types and has the advantages of simple structure, high bearing capacity and the like. The common ball bearing comprises an inner ring, an outer ring, a rolling body and a retainer, wherein the retainer is formed by riveting two half retainers.

The retainer is usually riveted by a hot riveting method, two half retainers are firstly butted and filled with rivets during riveting, and finally, riveting is completed through a rivet head. In the riveting process, the problems of difficult clamping of the retainer, difficult positioning of the rivet head and the like exist, the retainer is easily damaged in the riveting process, and the use performance of the retainer is influenced. Particularly, the high-speed heavy-load bearing has higher requirements on the riveting reliability and the surface integrity of the retainer. Therefore, a hot riveting positioning tool needs to be designed, the hot riveting efficiency of the retainer is improved, and the riveting quality is guaranteed.

Disclosure of Invention

The to-be-solved technical problem of the utility model is to provide a rivet hot location frock and rivet hot equipment for high-speed heavy load ball bearing, can accurate location rivet, improve rivet hot efficiency, reduce the damage of rivet hot in-process retainer simultaneously, guarantee product quality.

In order to solve the technical problem, the utility model provides a technical scheme as follows: a hot riveting positioning tool for a high-speed heavy-load ball bearing comprises a body, wherein an installation surface is arranged at the upper end of the body, a plurality of bearing bosses are arranged on the installation surface, and the bearing bosses are distributed annularly; the upper end of the bearing boss is provided with an accommodating groove; the side of body is circumference locating surface, circumference locating surface on be equipped with a plurality of circumference location portions.

During hot riveting, the bearing boss is aligned with the cap end of the rivet, the end part of the rivet is arranged in the accommodating groove, and when the rivet head is pressed downwards, the bearing boss is used for bearing, so that the possibility of bearing damage of the retainer can be reduced, and the quality of the retainer is ensured. The setting of circumference location portion lies in under the cooperation of outside setting element, can realize the accurate location of circumference of rivet, improves the alignment precision of rivet and die, improves machining efficiency, guarantees processingquality.

Preferably, the circumferential positioning part is a positioning protrusion or a positioning groove.

Preferably, the receiving bosses correspond to the circumferential positioning portions one to one, and a center line surrounded by the plurality of receiving bosses is overlapped with a center line of the circumferential positioning surface.

The hot riveting equipment comprises a workbench and the hot riveting positioning tool, wherein the hot riveting positioning tool is rotatably and movably connected with the workbench;

the positioning assembly comprises a clamping head, and the clamping head is connected with the workbench through an elastic piece; the clamping head is matched with the axial positioning part to limit the movement of the hot riveting positioning work relative to the workbench.

The positioning assembly is matched with the circumferential positioning part, so that the hot riveting positioning tool can be circumferentially positioned, the relative fixation between the hot riveting positioning tool and the workbench is realized, and the accurate positioning of the rivet is realized. Through the rotation and the accurate positioning of the hot riveting positioning tool, the rivet head only needs to move up and down, so that the relative positioning precision between the rivet head and the rivet is greatly improved, the riveting quality is effectively improved, and the processing efficiency is improved.

Preferably, the workbench is provided with a mandrel, the body of the hot riveting positioning tool is provided with a central hole, and the central line of the central hole is superposed with the central line of the circumferential positioning surface; in the connected state, the mandrel is inserted into the central hole.

Preferably, the mandrel is rotatably and movably connected with the workbench; the workbench is also provided with a driving unit, and the driving unit is connected with the mandrel and drives the mandrel to rotate relative to the workbench; the hot riveting positioning tool and the mandrel are arranged in a split mode, and in a connection state, the hot riveting positioning tool and the mandrel synchronously rotate.

Preferably, the mandrel is connected with the hot riveting positioning tool key.

Preferably, the mandrel is fixedly connected with the workbench, and the hot riveting positioning tool is sleeved on the mandrel and is rotatably and movably connected with the mandrel.

Preferably, the positioning assembly comprises a clamping arm which is rotatably and movably connected with the workbench, and the clamping arm is parallel to the central line of the mandrel relative to the rotating central line of the workbench; the joint setting on the joint arm, the elastic component setting between joint arm and workstation.

The clamping arm form not only can realize the positioning of the hot riveting positioning tool, but also can control the hot riveting positioning tool to rotate unidirectionally relative to the workbench.

Drawings

FIG. 1 is a schematic structural diagram of a manual mode of a hot riveting device for high-speed heavy-duty ball bearings according to the embodiment;

FIG. 2 is an enlarged view of a portion A;

FIG. 3 is a schematic structural diagram of an automatic mode of the hot riveting device for the high-speed heavy-load ball bearing according to the embodiment;

FIG. 4 is a top view of the hot riveting device for high-speed heavy-duty ball bearings of the present embodiment;

FIG. 5 is a schematic structural diagram of a state that a hot riveting device for a high-speed heavy-duty ball bearing is matched with a bearing to be processed according to the embodiment;

fig. 6 is a partially enlarged view of fig. 5 at B.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in 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 invention and are not intended to limit the invention.

Examples

As shown in fig. 1, 2 and 4, the hot riveting equipment comprises a workbench 2 and a hot riveting positioning tool 1, wherein the hot riveting positioning tool 1 is rotatably and movably connected with the workbench 2. The hot riveting positioning tool 1 comprises a body 11, an installation surface 13 is arranged at the upper end of the body 11, a plurality of bearing bosses 12 are arranged on the installation surface 13, and the bearing bosses 12 are distributed annularly. The upper end of the receiving boss 12 is provided with a receiving groove 121, when hot riveting is performed, the receiving boss 12 is aligned with the cap end of the rivet 71, and the end part of the rivet 71 is arranged in the receiving groove 121. When the rivet head 6 is pressed downwards, the bearing boss 12 is used for bearing, the possibility of bearing damage of the retainer can be reduced, and the quality of the retainer is ensured.

As shown in fig. 1 and 4, the side surface of the body 11 is a circumferential positioning surface, the circumferential positioning surface is provided with a plurality of circumferential positioning portions 14, and the circumferential positioning portions 14 are positioning protrusions or positioning grooves. Specifically, the receiving bosses 12 correspond to the circumferential positioning portions 14 one by one, and a center line surrounded by the receiving bosses 12 coincides with a center line of the circumferential positioning surface. The arrangement of the circumferential positioning part 14 is characterized in that under the cooperation of an external positioning part, the circumferential accurate positioning of the rivet 71 can be realized, the alignment precision of the rivet 71 and the rivet head 6 is improved, the processing efficiency is improved, and the processing quality is ensured.

As shown in fig. 1 and 4, the positioning assembly 4 further comprises a clamping head 41, and the clamping head 41 is connected with the workbench 2 through an elastic member 43. The clamping head 41 is matched with the axial positioning part to limit the movement of the hot riveting positioning work relative to the workbench 2.

As shown in fig. 5 and 6, when performing hot riveting, the bearing 7 to be machined is first fitted to the hot riveting positioning tool 1, wherein the rivets 71 of the bearing 7 to be machined are aligned with the receiving bosses 12 one by one, and at this time, the receiving bosses 12 are used for bearing load, and the bearing 7 to be machined is not in contact with the mounting surface 13. And then adjusting the circumferential position of the hot riveting positioning tool 1 until the positioning assembly 4 is matched with the circumferential positioning part 14, circumferentially positioning the hot riveting positioning tool 1, realizing the relative fixation between the hot riveting positioning tool 1 and the workbench 2, and realizing the accurate positioning of the rivet 71. Through the rotation and the accurate positioning of the hot riveting positioning tool 1, the rivet head 6 only needs to move up and down, so that the relative positioning precision between the rivet head 6 and the rivet 71 is greatly improved, the riveting quality is effectively improved, and the processing efficiency is improved.

As a specific embodiment, as shown in fig. 1, a mandrel 3 is disposed on the working table 2, a central hole is disposed on the body 11 of the hot riveting positioning tool 1, and a central line of the central hole coincides with a central line of the circumferential positioning surface. In the connected state, the mandrel 3 is inserted into the central hole. For bearings 7 to be machined of different models, the hot riveting positioning tool 1 can be replaced to match the bearings, and the hot riveting positioning tool has good universality.

The hot riveting positioning tool 1 can be driven to rotate manually or set to be in an automatic driving and rotating mode.

As shown in fig. 3, in the automatic driving mode, specifically, the mandrel 3 is rotatably and movably connected to the table 2, the table 2 is further provided with a driving unit 5, and the driving unit 5 is connected to the mandrel 3 and drives the mandrel 3 to rotate relative to the table 2. The hot riveting positioning tool 1 and the mandrel 3 are arranged in a split mode, and in a connection state, the hot riveting positioning tool 1 and the mandrel 3 rotate synchronously. The mandrel 3 and the hot riveting positioning tool 1 are preferably connected through a key, such as spline connection.

As shown in fig. 1, in the manual driving mode, specifically, the mandrel 3 is fixedly connected to the working table 2, and the hot riveting positioning tool 1 is sleeved on the mandrel 3 and is rotatably and movably connected to the mandrel 3.

Specifically, as shown in fig. 4, the positioning assembly 4 includes a clamping arm 42 rotatably and movably connected to the table 2, and the clamping arm 42 is parallel to the central line of the mandrel 3 with respect to the rotation central line of the table 2; the clamping joint 41 is arranged on the clamping arm 42, and the elastic piece 43 is arranged between the clamping arm 42 and the workbench 2. The clamping arm 42 can not only realize the positioning of the hot riveting positioning tool 1, but also control the hot riveting positioning tool 1 to rotate unidirectionally relative to the workbench 2.

In summary, the above description is only a preferred embodiment of the present invention and should not be taken as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principles of the present invention should be included within the scope of the present invention.

Claims

1. The utility model provides a rivet hot location frock for high-speed heavy load ball bearing which characterized in that: the connecting device comprises a body, wherein the upper end of the body is provided with a mounting surface, the mounting surface is provided with a plurality of receiving bosses, and the plurality of receiving bosses are annularly distributed; the upper end of the bearing boss is provided with an accommodating groove;

the side of body is circumference locating surface, circumference locating surface on be equipped with a plurality of circumference location portions.

2. The hot riveting positioning tool according to claim 1, characterized in that: the circumferential positioning part is a positioning bulge or a positioning groove.

3. The hot riveting positioning tool according to claim 1 or 2, characterized in that: the bearing bosses correspond to the circumferential positioning parts one by one, and the center line of the bearing bosses is overlapped with the center line of the circumferential positioning surface.

4. The utility model provides a hot riveting equipment, includes the workstation, its characterized in that: the hot riveting positioning tool is characterized by further comprising a hot riveting positioning tool according to any one of claims 1-3, wherein the hot riveting positioning tool is rotatably and movably connected with the workbench;

5. The hot riveting apparatus according to claim 4, wherein: the hot riveting positioning tool is characterized in that a mandrel is arranged on the workbench, a central hole is formed in the body of the hot riveting positioning tool, and the central line of the central hole is superposed with the central line of the circumferential positioning surface; in the connected state, the mandrel is inserted into the central hole.

6. The hot riveting apparatus according to claim 5, wherein: the mandrel is rotatably and movably connected with the workbench; the worktable is also provided with a driving unit which is connected with the mandrel and drives the mandrel to rotate relative to the worktable;

the hot riveting positioning tool and the mandrel are arranged in a split mode, and in a connection state, the hot riveting positioning tool and the mandrel synchronously rotate.

7. The hot riveting apparatus according to claim 6, wherein: the mandrel is connected with the hot riveting positioning tool key.

8. The hot riveting apparatus according to claim 5, wherein: the mandrel is fixedly connected with the workbench, and the hot riveting positioning tool is sleeved on the mandrel and is in rotary and movable connection with the mandrel.

9. Rivet apparatus according to any one of claims 4 to 8, characterized in that: the positioning assembly comprises a clamping arm which is rotatably and movably connected with the workbench, and the clamping arm is parallel to the central line of the mandrel relative to the rotating central line of the workbench; the joint setting on the joint arm, the elastic component setting between joint arm and workstation.