Combined welding type eccentric wheel of 45 steel eccentric body

Abstract

The utility model relates to a combined welding type eccentric wheel of a 45 steel eccentric body, which comprises a radial plate, a gear ring welded on the outer ring of the radial plate and the eccentric body penetrating through the radial plate, a center hole concentric with the gear ring is arranged on the eccentric body, the outer ring of the eccentric body and the gear ring are eccentrically arranged, an annular groove is arranged on the outer ring of the eccentric body, and the eccentric body is arranged in the annular groove. According to the utility model, the welding filler and the eccentric body are independently subjected to heat treatment, so that the size is reduced, heat treatment is facilitated, the welding filler and the eccentric body after heat treatment are connected and fastened, and then the welding filler and the radial plate are welded, so that the heat treatment efficiency is improved. The eccentric wheel does not need to be subjected to overall heat treatment, so that the labor intensity is reduced, the production efficiency is improved, and the cost is saved for companies.

Description

TECHNICAL FIELD

[0001] The utility model relates to a press machine technical field, specifically is a kind of combined welding eccentric wheel of 45 steel material eccentric body. BACKGROUND

[0002] Eccentric wheel is the important component of the main drive of the press machine of our company, it is welded by eccentric body, web and the gear ring of outermost circle, wherein the eccentric body is 45# steel material, and the web is Q235 material.45 steel belongs to medium carbon steel, and its welding performance is relatively poor, if not properly heat treated before and after welding, it is easy to cause weld cracking.

[0003] After the eccentric wheel of our company is welded, it needs to be put into heat treatment furnace for stress relief annealing, due to the height limitation of heat treatment furnace, eccentric wheel with height exceeding 1440mm cannot enter the furnace, and eccentric wheel exceeding the size can only be put into large-size heat treatment furnace for stress relief annealing, which increases the cost of production INVENTION CONTENTS

[0004] The utility model provides a kind of combined welding eccentric wheel of 45 steel material eccentric body in view of the deficiency of prior art.

[0005] The utility model is implemented by the following technical scheme, provide a kind of combined welding eccentric wheel of 45 steel material eccentric body, including web, gear ring welded in the outer circle of web and eccentric body passing through web, the outer circle of eccentric body is eccentrically arranged with gear ring, the outer circle of eccentric body is equipped with annular groove, the annular groove is filled with welding filler, and the web is welded and fixed with welding filler.

[0006] In the machining of the present application, an annular groove is first machined on the outer circle of the eccentric body, then the eccentric body is preheated in a heat treatment furnace, which can reduce the cooling speed of the weld to prevent the formation of martensite and reduce the possibility of cracking. After the preheating of the eccentric body is completed, welding is performed in the annular groove. The annular groove is then filled with welding filler, and the eccentric body is then put into a heat treatment furnace for post-weld heat treatment. Finally, the web is welded and fixed with the welding filler. Therefore, the welding filler and the eccentric body are separately heat treated, which reduces the volume and facilitates heat treatment. The welding filler and the eccentric body after heat treatment are connected and fastened, and then the web is welded with the welding filler, thereby preventing the weld from cracking.

[0007] As an optimization, the width of the annular groove is greater than the thickness of the web. Thus, the web is in complete contact with the welding filler.

[0008] As an optimization, two webs are provided, and two annular grooves are provided on the outer circle of the eccentric body. Thus, the two welds strengthen the connection strength.

[0009] As an optimization, a welding bevel is provided on the outer side of the web. This facilitates the improvement of the welding strength through bevel welding.

[0010] As an optimization, the depth of the annular groove is 3-20mm. It is convenient to fill the welding filler.

[0011] As an optimization, the eccentric body is provided with a center hole concentric with the gear ring.

[0012] The beneficial effects of the utility model are as follows: the combined welding type eccentric wheel of the 45 steel material eccentric body of the utility model, by heat treating the welding filler and the eccentric body separately, reduces the volume, is convenient for heat treatment, and the welding filler and the eccentric body after heat treatment are connected and fastened, and then the welding filler and the web are welded, so that the operation of preventing the weld from cracking is convenient, the whole heat treatment of the eccentric wheel is not needed, the labor intensity is reduced, the production efficiency is improved, and the cost of the company is saved. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is a front view of the utility model;

[0014] Figure 2 It is a front view of the utility model Figure 1 It is a sectional view of A-A surface of the utility model;

[0015] Figure 3 It is a front view of the utility model Figure 2 It is an enlarged view of B part of the utility model;

[0016] Figure 4 It is a front view of the eccentric body of the utility model;

[0017] Figure 5 It is a sectional view of the eccentric body of the utility model;

[0018] Figure 6 It is a sectional view of the gear ring and the web of the utility model;

[0019] As shown in the figure:

[0020] 1, gear ring, 2, web, 3, eccentric body, 4, welding filler, 5, welding groove, 6, annular groove. DETAILED DESCRIPTION

[0021] In order to clearly illustrate the technical features of the scheme, the scheme will be described below through specific embodiments.

[0022] As Figures 1-6 shown, the combined welding type eccentric wheel of the 45 steel material eccentric body of the utility model, including web 2, welding in the outer circle of web 2 gear ring 1 and through the eccentric body 3 of web 2, the web 2 is equipped with two, and is concentric outer circle, the inner circle of gear ring 1 and the outer circle of web 2 are welded.

[0023] The outer ring of the eccentric body 3 is circular and the axis is perpendicular to the web plate 2, the outer ring of the eccentric body 3 is eccentrically arranged with the gear ring 1, and the eccentric body 3 is provided with a center hole concentric with the gear ring 1.

[0024] The web plate 2 is provided with a circular hole for the eccentric body 3 to pass through, and the outer ring of the eccentric body 3 is equal in diameter to the circular hole.

[0025] The material of the web plate 2 is Q235, and the eccentric body 3 is made of 45# steel, so the welding performance of the eccentric body 3 is poor, and if the heat treatment is not performed, the weld is prone to cracking.

[0026] The outer ring of the eccentric body 3 is provided with an annular groove 6, and since the web plate 2 is provided with two, the outer ring of the eccentric body 3 is provided with two annular grooves 6 in the application. The width of the annular groove 6 is greater than the thickness of the web plate 2, so the web plate 2 corresponds to the position of the annular groove 6.

[0027] The depth of the annular groove 6 is 3-20mm. The annular groove 6 is filled with a welding filler 4, and the annular groove 6 is filled by welding into the annular groove 6 and filling the annular groove with welding material, and the solidified welding material forms the welding filler 4 to fill the annular groove 6.

[0028] The web plate 2 is welded and fixed with the welding filler 4. The outer side of the web plate 2 is provided with a welding groove 5.

[0029] The use method of the utility model:

[0030] During processing, the annular groove 6 is first processed on the outer ring of the eccentric body 3, then the eccentric body 3 is preheated in a heat treatment furnace, which can reduce the cooling speed of the weld to prevent the generation of martensite and reduce the possibility of cracking, the annular groove 6 is welded after the preheating of the eccentric body 3 is completed, the annular groove 6 is filled with the welding filler 4, then the eccentric body 3 is put into the heat treatment furnace for post-welding heat treatment, and finally the web plate 2 is welded and fixed with the welding filler 4.

[0031] Of course, the above description is not limited to the above examples, and the technical features not described in the utility model can be realized by or using the prior art, which will not be repeated here; the above embodiments and drawings are only used to illustrate the technical scheme of the utility model and are not limited to the utility model, the preferred embodiments of the utility model are described in detail, and those skilled in the art should understand that the changes, modifications, additions or replacements made by those skilled in the art within the essential scope of the utility model do not deviate from the purpose of the utility model, and should also belong to the protection scope of the claims of the utility model.

Claims

1. A combined welded eccentric wheel of 45 steel material eccentric body, characterized in that: The application relates to a gear box comprising a web (2), a ring gear (1) welded to the outer periphery of the web (2) and an eccentric body (3) penetrating through the web (2), wherein the outer periphery of the eccentric body (3) is eccentrically arranged relative to the ring gear (1), the outer periphery of the eccentric body (3) is provided with an annular groove (6), the annular groove (6) is filled with welding filler (4), and the web (2) is welded and fixed with the welding filler (4).

2. The combined welded eccentric wheel of 45 steel material eccentric body according to claim 1, characterized in that: The width of the annular groove (6) is greater than the thickness of the web (2).

3. The combined welded eccentric wheel of 45 steel material eccentric body according to claim 1, characterized in that: The web (2) is provided with two, and the outer periphery of the eccentric body (3) is provided with two annular grooves (6).

4. The combined welded eccentric of 45 steel material eccentric body according to claim 1, characterized in that: The outer side of the web (2) is provided with a welding bevel (5).

5. The combined welded eccentric of 45 steel material eccentric body according to claim 1, characterized in that: The depth of the annular groove (6) is 3-20 mm.

6. The combined welded eccentric of 45 steel material eccentric body according to claim 1, characterized in that: The eccentric body (3) is provided with a center hole concentric with the ring gear (1).

Images