Assembly device for needle bearing

By introducing a sliding sleeve and a fixed clip structure into the needle roller bearing assembly device, the pressure deviation problem caused by the shaking of the press-mounted cylinder is solved, and the accuracy and stability of bearing assembly are achieved.

CN223136749UActive Publication Date: 2025-07-22SUZHOU TIANXINYUAN PRECISION MASCH CO LTD
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Patent Information

Application Number
CN202422569746.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-24
Publication Date
2025-07-22
Estimated Expiration
2034-10-24

AI Technical Summary

Technical Problem

In the existing needle roller bearing assembly device, the telescopic rod of the press-mounted cylinder is too long and causes shaking, causing the problem of pressure deviation.

Method used

Using a sliding sleeve structure, the lifting rod moves up and down through the through hole of the sliding sleeve, driving the pressing head down, combining the fixed clip and the vertical support plate to ensure the stability of the pressing process.

Benefits of technology

Improve the accuracy of bearing assembly, avoid shaking during pressing and ensuring the accuracy of assembly.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to a needle bearing assembly device which comprises a press-fitting air cylinder, a press-fitting head, a fixing clamp, a vertical supporting plate and a sliding sleeve, the press-fitting air cylinder is provided with a lifting rod, the lifting rod is fixedly connected with the press-fitting head, the sleeve is fixed on the vertical supporting plate through the fixing clamp, and the sliding sleeve is fixed on the vertical supporting plate through the fixing clamp. The sliding sleeve is provided with an axial through hole, the lifting rod extends into the through hole of the sliding sleeve, and the lifting rod moves up and down in the through hole of the sliding sleeve; the press-fitting air cylinder drives the lifting rod to descend, the lifting rod drives the press-fitting head to descend while moving in the sliding sleeve, and the press-fitting head is used for press-fitting a bearing.
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Description

Technical Field

[0001] The utility model relates to assembly equipment, in particular to an assembly device for a needle roller bearing. Background Art

[0002] At present, most of the assembly methods for needle roller bearings are by press-fitting. In an existing technology, the assembly device for a needle roller bearing includes a press-fitting cylinder, a press-fitting head, and a bearing carrier. The press-fitting cylinder drives the press-fitting head to move up and down. First, the bearing to be assembled is placed on the bearing carrier, and then the press-fitting cylinder drives the press-fitting head to descend to press-fit the bearing. However, in this existing technology, the telescopic rod of the press-fitting cylinder is too long, resulting in easy shaking during the process of the telescopic rod pushing the press-fitting head, and then it may cause deviation in pressing. Summary of the Invention

[0003] The purpose of the utility model is to solve the deficiencies existing in the prior art, and to propose an assembly device for a needle roller bearing.

[0004] To achieve the above purpose, the utility model adopts the following technical solutions: an assembly device for a needle roller bearing, including a press-fitting cylinder, a press-fitting head, a fixed clip, a vertical support plate, and a sliding sleeve. The press-fitting cylinder has a lifting rod, the lifting rod is fixedly connected to the press-fitting head, the sleeve is fixed on the vertical support plate by the fixed clip, the sliding sleeve has an axially penetrating through-hole, the lifting rod extends into the through-hole of the sliding sleeve, and the lifting rod moves up and down in the through-hole of the sliding sleeve; the press-fitting cylinder drives the lifting rod to descend, and while the lifting rod moves in the sliding sleeve, it drives the press-fitting head to descend, and the press-fitting head is used for press-fitting the bearing.

[0005] Further, the lifting rod and the press-fitting head are fixedly connected together by welding, clamping, or bolts / screws.

[0006] Further, it further includes a bearing carrier platform, which is located directly below the press-fitting head, and the bearing carrier platform is used for placing the bearing to be press-fitted.

[0007] Further, it further includes a cylinder carrier plate, the cylinder carrier plate and the vertical support plate are fixedly installed together, a through-hole for the lifting rod of the press-fitting cylinder to pass through is provided on the cylinder carrier plate, the lifting rod of the press-fitting cylinder moves in the through-hole of the cylinder carrier plate, and the press-fitting cylinder is fixedly installed on the cylinder carrier plate.

[0008] Further, it further includes a bottom plate, and the bottom plate is fixedly connected to the vertical support plate.

[0009] Further, the bearing carrier platform is fixedly installed on the bottom plate.

[0010] The beneficial effects of the present application are as follows: The assembly device of the needle roller bearing provided by the present application has a simple structure and is easy to assemble. Moreover, due to the provision of a sliding sleeve, it is not easy to shake during the process of the pressing cylinder driving the pressing head to descend, thereby ensuring the accuracy of bearing assembly. Description of the Drawings

[0011] Figure 1 It is a schematic structural diagram of an assembly device for a needle roller bearing provided by the present utility model.

[0012] Figure 2 is Figure 1 a partially enlarged view of an assembly device for a needle roller bearing as shown. Detailed Embodiments

[0013] The present application will be further described in detail below in conjunction with the drawings through specific embodiments. Similar elements in different embodiments are labeled with related similar element numbers. In the following embodiments, many detailed descriptions are provided to enable a better understanding of the present application. However, those skilled in the art can easily recognize that some of the features can be omitted in different situations, or can be replaced by other elements, materials, or methods. In some cases, some operations related to the present application are not shown or described in the specification in order to avoid the core part of the present application being overwhelmed by excessive descriptions. For those skilled in the art, it is not necessary to describe these related operations in detail, and they can fully understand the related operations based on the description in the specification and general technical knowledge in the art.

[0014] In addition, the features, operations, or characteristics described in the specification can be combined in any appropriate manner to form various embodiments, and the operation steps involved in each embodiment can also be reordered or adjusted in an obvious manner by those skilled in the art. Therefore, the specification and drawings are only for clearly describing a certain embodiment and do not mean that they are essential components and / or sequences.

[0015] The serial numbers assigned to the components herein, such as "first", "second", etc., are only used to distinguish the described objects and do not have any sequential or technical meanings. And the "connection" and "coupling" mentioned in the present application, unless otherwise specified, both include direct and indirect connections (couplings).

[0016] Please refer to Figure 1-2, this application provides an assembly device for a needle roller bearing (hereinafter referred to as the assembly device). The assembly device includes a pressing cylinder 1, a pressing head 100, a fixing clip 7, a vertical support plate 3, and a sliding sleeve 6. The pressing cylinder 1 has a lifting rod (not shown), the lifting rod is fixedly connected to the pressing head 100, the sleeve 6 is fixed to the vertical support plate 3 by the fixing clip 7, the sliding sleeve 6 has an axially penetrating through-hole, the lifting rod extends into the through-hole of the sliding sleeve 6, and the lifting rod moves up and down in the through-hole of the sliding sleeve 6; the pressing cylinder 1 drives the lifting rod to descend, and while the lifting rod moves in the sliding sleeve 6, it drives the pressing head 100 to descend, and the pressing head 100 is used for pressing the bearing.

[0017] In an embodiment of the present application, the lifting rod and the pressing head 100 are fixedly connected together by welding, clamping, or bolts / screws.

[0018] In an embodiment of the present application, the assembly device further includes a bearing carrying platform 8. The bearing carrying platform 8 is located directly below the pressing head 100, and the bearing carrying platform 8 is used for placing the bearing to be pressed.

[0019] In an embodiment of the present application, the assembly device further includes a cylinder bearing plate 2. The cylinder bearing plate 2 and the vertical support plate 3 are fixedly installed together. There is a through-hole (not shown) on the cylinder bearing plate 2 for the lifting rod of the pressing cylinder 1 to pass through. The lifting rod of the pressing cylinder 1 moves in the through-hole of the cylinder bearing plate 2, and the pressing cylinder 1 is fixedly installed on the cylinder bearing plate 2.

[0020] In an embodiment of the present application, the assembly device further includes a bottom plate 4. The bottom plate 4 is fixedly connected to the vertical support plate 3.

[0021] In an embodiment of the present application, the bearing carrying platform 8 is fixedly installed on the bottom plate 4.

[0022] The assembly device for the needle roller bearing provided by this application has a simple structure and is easy to assemble. In view of the setting of the sliding sleeve, it is not easy to shake during the process of the pressing cylinder driving the pressing head to descend, thereby ensuring the accuracy of bearing assembly.

[0023] The above embodiments are only used to illustrate the technical concept and characteristics of the present invention. The purpose is to enable those skilled in the art to understand the content of the present invention and implement it accordingly, and it cannot be used to limit the protection scope of the present invention. All equivalent changes or modifications made according to the spirit and essence of the present invention should be covered within the protection scope of the present invention.

Claims

1. An assembly device for a needle roller bearing, characterized in that It includes a pressing cylinder, a pressing head, a fixing clip, a vertical support plate, and a sliding sleeve. The pressing cylinder has a lifting rod, and the lifting rod is fixedly connected to the pressing head. The sleeve is fixed on the vertical support plate by the fixing clip. The sliding sleeve has an axially penetrating through-hole, and the lifting rod extends into the through-hole of the sliding sleeve and moves up and down in the through-hole of the sliding sleeve. The pressing cylinder drives the lifting rod to descend. While the lifting rod moves in the sliding sleeve, it drives the pressing head to descend. The pressing head is used for pressing the bearing.

2. The assembling device of the needle roller bearing according to claim 1, characterized in that, The lifting rod and the pressing head are fixedly connected together by welding, clamping, or bolts / screws.

3. The assembling device of the needle roller bearing according to claim 1, characterized in that, It further includes a bearing carrying platform, which is located directly below the pressing head and is used for placing the bearing to be pressed.

4. The assembling device of the needle roller bearing according to claim 3, characterized in that, It further includes a cylinder carrying plate, which is fixedly installed together with the vertical support plate. There is a through-hole on the cylinder carrying plate for the lifting rod of the pressing cylinder to pass through. The lifting rod of the pressing cylinder moves in the through-hole of the cylinder carrying plate, and the pressing cylinder is fixedly installed on the cylinder carrying plate.

5. The assembling device of the needle roller bearing according to claim 4, characterized in that, It further includes a bottom plate, which is fixedly connected to the vertical support plate.

6. The assembly device of the needle roller bearing according to claim 5, characterized in that, The bearing carrying platform is fixedly installed on the bottom plate.