Different-pitch one-time forming thread rolling device for vehicle

By designing a single-pitch forming threading device for automotive different pitches, and using the spacing flange and wire rubbing plate to process threads of different pitches on the wire rubbing machine equipment, the problem of difficulty in forming a single-pitch double-head bolt in the prior art is solved, and efficient and high-quality thread processing is achieved.

CN222569149UActive Publication Date: 2025-03-07SHANGHAI HUAAN AUTOMOBILE COMPONENT CO LTD
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Patent Information

Application Number
CN202420583910.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-03-25
Publication Date
2025-03-07
Estimated Expiration
2034-03-25

AI Technical Summary

Technical Problem

The prior art is difficult to realize the single-forming thread of the different pitch double-head bolt in the field of small cars, resulting in increased processing steps and increased thread damage risk and reduced part performance.

Method used

A single-molded threading device for automotive differential pitch is designed, including a spacing flange, a limiting structure and a wire rubbing board, and two threads of different thread pitches are processed at one time on the wire rubbing machine equipment.

Benefits of technology

It realizes one-time processing of two threads of different thread pitches on the wire rub machine equipment, greatly saving processing steps, reducing the risk of thread damage, and improving the processing speed and quality of parts.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a vehicle different-pitch one-step forming thread rolling device, which is characterized by comprising a spacing flange, a first axial mounting end of the spacing flange is provided with a first mounting shaft, and a position, close to the spacing flange, of the first mounting shaft is provided with a limiting structure; the periphery of the tail end of the first mounting shaft is sleeved with a first threaded part to be machined; a second mounting shaft is arranged at a second axial mounting end of the spacing flange, and a second to-be-machined threaded part is arranged on the periphery of the tail end of the second mounting shaft in a sleeving manner; a first external thread surface of the first to-be-machined thread part is in contact with a first internal thread rolling surface of the first thread rolling plate; and a second external thread surface of the second to-be-machined thread part is in contact with a second internal thread rolling surface of the second thread rolling plate. According to the utility model, two threads with different screw pitches can be simultaneously processed at one time on the thread rolling machine equipment, so that the processing steps are greatly saved, and the product quality is also ensured at the same time.
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Description

Technical Field

[0001] The utility model relates to the field of bolt thread rolling, in particular to a one-step forming thread rolling device for vehicles with different pitches. Background Art

[0002] Bolts are widely used in all walks of life as a fastener. Usually, people have insufficient development and utilization of the processing and forming methods of stud bolts, especially in the field of small cars. A one-time forming thread rolling device for stud bolts with different pitches for vehicles is needed to improve the processing efficiency of the bolts and ensure the technical requirements of the threads at both ends of the bolts. The bolts can be connected with connections with different pitches, and the parts at both ends are irregular and have relative position requirements. Utility Model Content

[0003] In order to overcome the above-mentioned defects of the prior art, the purpose of the utility model is to provide a one-step forming thread rolling device for different pitches for vehicles.

[0004] In order to achieve the purpose of this utility model, the technical solution adopted is:

[0005] A one-step forming thread rolling device for different pitches for vehicles, comprising:

[0006] A spacing flange, wherein a first axial mounting end of the spacing flange is provided with a first mounting shaft, and a limiting structure is provided at a position where the first mounting shaft is close to the spacing flange;

[0007] A first threaded member to be processed is sleeved on the outer periphery of the end of the first installation shaft;

[0008] A second installation shaft is provided at the second axial installation end of the spacing flange, and a second threaded member to be processed is sleeved on the outer periphery of the end of the second installation shaft;

[0009] The first external thread surface of the first threaded member to be processed is in contact with the first internal thread rolling surface of the first thread rolling plate;

[0010] The second external thread surface of the second threaded member to be processed contacts the second internal thread rolling surface of the second thread rolling plate.

[0011] In a preferred embodiment of the present invention, a limiting step portion is provided on the outer peripheral surface of the limiting structure.

[0012] In a preferred embodiment of the present invention, the pitch of the first threaded member to be processed is different from the pitch of the second threaded member to be processed.

[0013] The beneficial effects of the utility model are:

[0014] The utility model can process two threads with different pitches at one time on a thread rolling machine, thereby greatly saving processing steps and ensuring product quality. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a structural schematic diagram of the utility model.

[0016] Figure 2 It is a schematic diagram of the use of the utility model. DETAILED DESCRIPTION

[0017] In order to make the purpose, technical solution and advantages of the utility model clearer, the utility model is further described in detail below through the accompanying drawings and embodiments. However, it should be understood that the specific embodiments described herein are only used to explain the utility model and are not used to limit the scope of the utility model. In addition, in the following structure, the description of the well-known structure and technology is omitted to avoid unnecessary confusion of the concept of the utility model.

[0018] In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top / bottom" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description. They do not indicate or imply that the device or component referred to must have a specific position, be constructed and operated in a specific position, and therefore cannot be understood as limiting the present invention. In addition, the terms "first" and "second" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0019] The traditional thread processing method is to process the thread on one end first and then choose to process the other end. The disadvantage of this is that it not only increases the processing steps, but also the extra processing will increase the risk of thread damage and reduce the performance of the parts.

[0020] To this end, the inventor has made improvements and provided Figure 1 The illustrated embodiment shows a vehicle-use one-step forming thread rolling device with different pitches, comprising a spacing flange 100 for mounting other components, a first mounting shaft 210 being arranged at the first axial mounting end 110 of the spacing flange 100, a limiting structure 300 being arranged at a position where the first mounting shaft 210 is close to the first axial mounting end 110 of the spacing flange 100, and a limiting step portion 310 being arranged on the outer peripheral surface of the limiting structure 300.

[0021] A first threaded component 400 to be processed is sleeved on the outer periphery of the end of the first mounting shaft 210, and a first external thread surface 410 of the first threaded component 400 to be processed contacts with a first internal thread rolling surface 610 of a first thread rolling plate 600, and a thread rolling operation is performed on the first external thread surface 410 of the first threaded component 400 to be processed by the first internal thread rolling surface 610 of the first thread rolling plate 600 to form an M8*1.25 external thread.

[0022] A second installation shaft 220 is provided at the second axial installation end 120 of the spacing flange 100 , and a second threaded component 500 to be processed is sleeved on the outer periphery of the end of the second installation shaft 220 . The second outer thread surface 510 of the second threaded component 500 to be processed contacts the second inner thread rolling surface 710 of the second thread rolling plate 700 .

[0023] The second external thread surface 510 of the second threaded member 500 to be processed is subjected to a thread rolling operation by the second internal thread rolling surface 710 of the second thread rolling plate 700 to form a 140M8*1 external thread.

[0024] The pitch of the first threaded component 400 to be processed is different from the pitch of the second threaded component 500 to be processed.

[0025] The bolt blanks are poured into the vibrating plate, which screens and arranges the bolt blanks. The sorted bolt blanks enter the guide rail of the thread rolling machine and are pushed into a special thread rolling plate device to process bolts with different pitches.

[0026] The thread rolling machine can process two threads with different pitches at one time, which greatly saves the processing steps and ensures the quality of the product. The one-time forming thread rolling device for bolts with different pitches is fixed on the thread rolling machine in two sections. The utility model can roll two threads with different pitches at one time, which can improve the processing speed and processing cost of parts and ensure the quality of bolt products.

Claims

1. A one-step forming thread rolling device for different pitches for vehicles, characterized in that: include: A spacing flange, wherein a first axial mounting end of the spacing flange is provided with a first mounting shaft, and a limiting structure is provided at a position where the first mounting shaft is close to the spacing flange; A first threaded member to be processed is sleeved on the outer periphery of the end of the first installation shaft; A second installation shaft is provided at the second axial installation end of the spacing flange, and a second threaded member to be processed is sleeved on the outer periphery of the end of the second installation shaft; The first external thread surface of the first threaded member to be processed is in contact with the first internal thread rolling surface of the first thread rolling plate; The second external thread surface of the second threaded member to be processed contacts the second internal thread rolling surface of the second thread rolling plate.

2. A one-step forming thread rolling device for different pitches for vehicles as claimed in claim 1, characterized in that: The outer peripheral surface of the limiting structure is provided with a limiting step portion.

3. A one-step forming thread rolling device for different pitches for vehicles as claimed in claim 1, characterized in that: The pitch of the first threaded component to be processed is different from the pitch of the second threaded component to be processed.