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Steel ring coupling ring rolling machine and butt welding type wheel steel ring machining technology

A technology of steel rings and rolling rings, which is applied in metal processing equipment, vehicle parts, transportation and packaging, etc., can solve problems such as high working intensity, asymmetric positions of left and right convex peaks, and high operational risks, so as to improve processing accuracy and quality, reducing work intensity and reducing operational risk

Inactive Publication Date: 2018-06-08
ZHEJIANG FENGCHI MECHANICAL
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the position of the convex peaks of this butt-welded steel ring cannot be formed in the stamping process, and roll forming is required. If the left and right steel rings are rolled separately and then butt-welded, it is easy to cause asymmetrical positions of the left and right convex peaks , if rolling is performed after butt welding, and because the traditional rolling machine is difficult to ensure that the rotation speeds of the left and right half mold rolls are completely synchronized, it is easy to slip during the rolling process and cause the surface of the steel ring to be rough, affecting the appearance and quality of the steel ring and machining accuracy
On the other hand, when rolling with a traditional ring rolling machine, the steel ring is manually inserted into the left and right half molds for rolling, which requires high work intensity and high operational risk

Method used

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  • Steel ring coupling ring rolling machine and butt welding type wheel steel ring machining technology
  • Steel ring coupling ring rolling machine and butt welding type wheel steel ring machining technology
  • Steel ring coupling ring rolling machine and butt welding type wheel steel ring machining technology

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0041] like figure 1 As shown, a steel ring coupling rolling machine includes a frame 1, the left side of the frame 1 is slidably provided with a headstock 2, and the right side is slidably provided with a countershaft box 3 opposite to the headstock 2 , the rear side is fixedly provided with upper mold rolling seat 4.

[0042] The spindle box 2 is provided with a drive shaft 21 with a left half mold roll 22 at the right shaft end, and the drive shaft 21 is associated with a drive motor so that the left half mold roll 22 can rotate around a horizontal axis. The subshaft case 3 is provided with a driven shaft 31 with a right half mold roll 32 at the left shaft end, the driven shaft 31 is coaxially arranged with the driving shaft 21, and the left and right steel rings of the steel ring G are respectively enclosed within the left and right steel rings during work. , The right half mold rolls on 22,32. This steel ring coupling shaft rolling machine also includes a synchronous sh...

Embodiment 2

[0047] A butt welding wheel rim processing technology, comprising the following steps:

[0048] A. Stretched from steel blank by stretch forming process such as Image 6 The bowl-shaped left steel ring and right steel ring shown in the figure include sequentially connected web portion 71, groove bottom section 72, transition section 73, bead seat section 74, and rim section 75, and are formed on the left steel ring through the punching process. The center of the web part 71 of the ring and the center of the web part 71 of the right steel ring punch out an axle hole 76 adapted to the axle. Concretely include the following steps in turn:

[0049] A1. Punched and stretched from a steel blank by stretch forming process such as Figure 4 The bowl-shaped prototypes of the left steel ring and the right steel ring are shown. At this time, the prototypes of the left and right steel rings include a circular plate, a conical cylinder formed by bending the outer edge of the circular pla...

Embodiment 3

[0058] This embodiment is basically the same as Embodiment 2, except that this embodiment is applicable to a butt-welded wheel rim with a bearing sleeve, so after step F, the following steps are also included:

[0059] G. Press the bearing sleeve 80 into the steel ring obtained in the previous step, so that the bearing sleeve 80 is placed in the axle hole 76 of the left and right steel rings, and the inner peripheral surface of the flange 761 of the axle hole 76 fits on the bearing sleeve 80 on the outer circumference.

[0060] H. Weld simultaneously on the left edge of the left steel ring axle hole 76 flange 761 and the right edge of the right steel ring axle hole 76 flange 761 by a double-gun welding machine, respectively on the left edge and the right edge The left welding ring and the right welding ring are formed between the outer peripheral surface of the bearing sleeve 80, so that the bearing sleeve and the left and right steel rings are welded and fixed, and the follow...

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Abstract

The invention discloses a steel ring coupling ring rolling machine and a butt welding type wheel steel ring machining technology. The steel ring coupling ring rolling machine comprises a main axle boxand an auxiliary axle box which can slide on a machine frame left and right and an upper mold roller, left and right half mold rollers are driven by driving and driven shafts of the main and auxiliary axle boxes to rotate; the machine further comprises a synchronous shaft, the two ends of the synchronous shaft are in transmission connection with the driving and driven shafts through gear engagement, and therefore the left and right half mold rollers can rotate synchronously; the front side of the machine frame is further provided with a steel ring base which can move on a lifting sliding railup and down. A steel ring obtained by butt welding is placed on the steel ring base, after the steel ring base is increased to the preset position, the left and right half mold rollers enter the leftand right steel rings, the steel ring base is reset, the left and right half mold rollers synchronously rotate and drive the steel ring to rotate, then, the upper mold roller moves downwards to makecontact with the steel ring, rolling is started, and meanwhile a profile peak and a roll rim of the wheel flange are formed by rolling on the left and right steel rings. The phenomenon that the steelring skids in the rolling process can be avoided, and therefore the machining precision is improved, and the working intensity and operation risk are lowered.

Description

technical field [0001] The invention relates to the technical field of wheel rim production, in particular to a rim coupling shaft rolling machine for butt-welded wheel rims and a processing technology for butt-welded wheel rims. Background technique [0002] The steel rims used for the wheels of existing ATVs, golf carts, lawns and garden machines, etc. usually include a circular rim, a web connected in the rim, and the web is provided with an axle hole so as to be connected to the axle. connect. The steel ring is usually processed by the following two processes. The first one is the overall casting process of the casting process. Due to the low production efficiency of the steel casting process and the technical limitations of the casting process, the shape and structure of the steel ring are relatively simple. Meet people's requirements for some complex-shaped steel rings; the second process is to weld the steel plate into a closed cylinder, and then roll and grind the c...

Claims

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Application Information

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IPC IPC(8): B21D53/26B23P15/00
CPCB21D53/26B23P15/00B23P2700/50
Inventor 江波军周抚平
Owner ZHEJIANG FENGCHI MECHANICAL