阅读说明：本技术 一种多级旋轮 (Multistage spinning wheel ) 是由 徐唐健 于 2019-10-20 设计创作，主要内容包括：本发明公开了一种多级旋轮,属于旋压技术领域,包括主旋轮(1)和旋轮架(3),主旋轮(1)包括轮本体一(11),在轮本体一(11)的中间设置有通孔一(12),在本体一(11)的一侧设置辅助旋轮(2),辅助旋轮(2)包括轮本体二(21),在轮本体二(21)的中间设置有通孔二(22),通孔二(22)与通孔一(12)在同一条轴线上,本发明在辅助旋轮(2)被动旋转时,辅助旋轮(2)表面可以与被旋压的料坯表面同速转动,减轻摩擦,避免料坯出现起皱、卷曲,防止坯料出现抖动等不利效果,可以提高产品质量。(The invention discloses a multistage spinning wheel, which belongs to the technical field of spinning and comprises a main spinning wheel (1) and a spinning wheel frame (3), wherein the main spinning wheel (1) comprises a wheel body I (11), a through hole I (12) is formed in the middle of the wheel body I (11), an auxiliary spinning wheel (2) is arranged on one side of the wheel body I (11), the auxiliary spinning wheel (2) comprises a wheel body II (21), a through hole II (22) is formed in the middle of the wheel body II (21), and the through hole II (22) and the through hole I (12) are on the same axis.)

1. A multi-stage spinning wheel comprises a main spinning wheel (1) and a spinning wheel frame (3) used for installing the main spinning wheel (1), wherein a notch I (30) is arranged on the spinning wheel frame (3), fixing holes I (31) are arranged at two ends of the notch I (30), a fixing shaft (32) is arranged on the fixing holes I (31), the main spinning wheel (1) is arranged on the fixing shaft (32), the main spinning wheel (1) comprises a wheel body I (11), a through hole I (12) which is through in the axial direction is arranged in the middle of the wheel body I (11), a flange (13) is arranged at the edge of the wheel body I (11) in the circumferential direction, the multi-stage spinning wheel is characterized in that an auxiliary spinning wheel (2) is arranged on one side of the wheel body I (11), the auxiliary spinning wheel (2) comprises a wheel body II (21), and a through hole II (22) which is through in the axial direction is arranged in the middle of the wheel body II (21), the second through hole (22) is opposite to the first through hole (12), the central shaft of the second through hole (22) and the central shaft of the first through hole (12) are arranged on the same axis, and the auxiliary rotating wheel (2) is arranged on the fixed shaft (32).

2. A multi-stage spinning wheel according to claim 1 wherein a first bearing (14) is disposed in the first through-hole (12) and a second bearing (24) is disposed in the second through-hole (22).

3. A multistage spinning wheel according to claim 2, characterized in that said auxiliary spinning wheel (2) is provided in 1-5 number.

4. A multi-stage spinning wheel according to claim 3, characterized in that the diameter of the auxiliary spinning wheel (2) decreases from the side adjacent to the wheel body one (11) to the side facing away from the wheel body one (11).

5. A multi-stage spinning wheel according to claim 4 characterized in that the surface of the auxiliary spinning wheel (2) is provided with an arc-shaped surface (23).

6. A multi-stage spinning wheel according to claim 5 characterized in that a gap is provided between the opposite sides of the main spinning wheel (1) and the auxiliary spinning wheel (2).

7. The multistage spinning wheel according to claim 5, wherein an annular groove (15) is formed in the side surface of the first wheel body (11) opposite to the second wheel body (21), an annular body (25) is formed in the side surface of the second wheel body (21) opposite to the first wheel body (11), the annular body (25) is arranged in the groove (15), and a gap is formed between the main spinning wheel (1) and the auxiliary spinning wheel (2) in an opposite position.

8. The multistage spinning wheel according to any one of claims 1 to 7, wherein a second notch (40) is formed in the spinning wheel frame (3), two fixing holes (41) are formed in two ends of the second notch (40), an auxiliary material shaft (42) is arranged on the second fixing hole (41), and an auxiliary material spinning wheel (43) is arranged on the auxiliary material shaft (42).

9. The multistage spinning roller as claimed in claim 8, wherein a spacer (44) is arranged inside the auxiliary material spinning roller (43), bearings (45) are arranged at two ends of the spacer (44), and the auxiliary material spinning roller (43) is fixed on the bearings (45).

10. The multi-stage rotary wheel as claimed in claim 9, wherein the auxiliary material rotary wheel (43) is formed in a straight or curved shape in the axial direction of the surface.

Technical Field

The invention belongs to the technical field of spinning, and particularly relates to a multistage spinning wheel formed by combining a main spinning wheel and a plurality of auxiliary spinning wheels.

Background

In the spinning process of a traditional spinning machine tool, the used spinning wheels are single spinning wheels, the single spinning wheels are fixed on the fixed shaft through bearings, and the blank is extruded through the flanges of the spinning wheels so as to be formed.

The utility model discloses a 26 days 10 months 10 years 2011 applying for the date, chinese utility model patent that application number is 201120413058.0 discloses a spinning wheel structure, including a rim plate, a round pin epaxial is located to the rim plate, is equipped with a bearing between rim plate and round pin axle, circle middle part is equipped with the round flange in the rim plate, a pair of bearing is located respectively the flange both sides, round pin axle and bearing, rim plate three within a definite time form a cavity, the round pin is equipped with the oil duct in the axle, oil duct one end accesss to the cavity, the oil duct other end accesss to the oiling mouth in the round pin outside, and above-mentioned utility model patent has solved because the high strength operation leads to the bearing to generate heat the dry grinding and.

The application date is 2018, 03, 13 and the application number is 201820340376.0, which discloses a spinning wheel for manufacturing a cast spinning wheel, wherein the fillet radius of an initial circular arc is R38, and a transitional inclined line is set to be 15 degrees; the inclined line of the rear angle of the wheel is set to be 6 degrees, the length is A9 mm, the inclined line is connected with a transition inclined line fillet R5, the radius of a forming fillet of the spinning wheel is set to be R8, the forming angle of the spinning wheel is set to be 53 degrees, the length of the straight line section is B5 mm, a transition arc is added, and the radius is R15; the transition line is set to 8 degrees; the reinforcing wire is set at 56 degrees, and is connected with the transition line by an arc of R10 connection, and the diameter of the spinning wheel is set to be 450 degrees. The utility model discloses a rotary pressing fillet radius and shaping sharp angle and length have been changed for the blank spinning more does benefit to the metal flow under the existence of air discharge line, does benefit to rotary pressing and takes shape. The spinning blank is prevented from rebounding, and the material utilization rate is improved; the diameter of the spinning wheel is increased, so that the spinning contact area is increased, the efficiency is improved, and the short-process manufacturing technology is applied.

However, the spinning roller has only one spinning roller as in other prior arts, and in the spinning process, after the flange of the spinning roller extrudes the blank, because the rotating speed of the side edge of the spinning roller is different from that of the blank in the contact process of the side edge of the spinning roller and the blank, the blank is easily wrinkled and curled, and the quality of the product is affected.

Disclosure of Invention

The invention aims to solve the technical problem that when a single rotary wheel works, the surface of a material blank is contacted with the side surface of the rotary wheel or other parts after the material blank is extruded, so that the material blank is wrinkled and curled.

In order to solve the technical problem, the invention provides a multistage spinning roller, which comprises a main spinning roller and a spinning roller frame for mounting the main spinning roller, the first notch is arranged on the rotary wheel frame, the first fixing holes are arranged at two ends of the first notch, the first fixing holes are provided with fixing shafts, the main rotary wheel is arranged on the fixing shafts and comprises a first wheel body, a first through hole which is communicated in the axial direction is arranged in the middle of the first wheel body, a flange is arranged on the edge of the first wheel body in the circumferential direction, an auxiliary rotary wheel is arranged on one side of the first wheel body and comprises a second wheel body, a second through hole which is communicated in the axial direction is arranged in the middle of the second wheel body, the second through hole is opposite to the first through hole, the central shaft of the second through hole and the central shaft of the first through hole are arranged on the same axis, and the auxiliary rotating wheel is arranged on the fixed shaft, so that the main rotating wheel and the auxiliary rotating wheel keep coaxial rotation in the machining process.

As a further improvement measure of the invention, the first bearing is arranged in the first through hole, the second bearing is arranged in the second through hole, the first bearing and the second bearing are arranged, so that the main spinning wheel and the auxiliary spinning wheel can rotate on the fixed shaft, the abrasion of the fixed shaft is reduced, and meanwhile, the second bearing is arranged, so that the auxiliary spinning wheel can be synchronous with the surface rotating speed of a material blank to be spun when the auxiliary spinning wheel is passively rotated, the friction is reduced, and the adverse results of wrinkling, curling, shaking and the like of the material blank are avoided.

As a further improvement measure of the invention, the number of the auxiliary rotary wheels is 1-5.

As a further improvement of the present invention, the diameter of the auxiliary roller is gradually reduced from the side adjacent to the first wheel body to the side away from the first wheel body.

As a further improvement measure of the invention, the surface of the auxiliary rotary wheel is provided with an arc-shaped surface.

As a further improvement measure of the invention, a gap is arranged between the opposite side surfaces of the main rotary wheel and the auxiliary rotary wheel.

As a further improvement measure of the present invention, in the above-mentioned multistage spinning wheel, an annular groove is provided on a side surface of the first wheel body opposite to the second wheel body, an annular body is provided on a side surface of the second wheel body opposite to the first wheel body, the annular body is provided in the groove, and a gap is provided at a position where the main spinning wheel and the auxiliary spinning wheel are opposite to each other.

As another improvement measure of the invention, in the multistage spinning roller, a notch two is arranged on the spinning roller frame, fixing holes two are arranged at two ends of the notch two, an auxiliary material shaft is arranged on the fixing holes two, an auxiliary material spinning roller is arranged on the auxiliary material shaft, and the auxiliary material spinning roller is arranged to prevent the blank and other parts of the spinning machine from being damaged, influence on product quality and damage to the spinning machine due to the fact that the surface of the blank is in contact with a spinning roller frame or other parts of the spinning machine after the blank is deformed by force during spinning.

As a further improvement measure of the invention, in the multistage spinning roller, the inner side of the auxiliary material spinning roller is provided with a spacer bush, two ends of the spacer bush are provided with a third bearing, and the auxiliary material spinning roller is fixed on the third bearing, so that the auxiliary material spinning roller can rotate on the third bearing.

As a further improvement measure of the present invention, in the above multistage spinning roller, the axial direction of the surface of the auxiliary material spinning roller is set to be straight or arc, so that the surface of the auxiliary material spinning roller properly contacts with the surface of the blank, the auxiliary material spinning roller synchronously rotates with the surface of the blank, the surface of the blank can be effectively prevented from being damaged, and the product quality can be improved.

Compared with the prior art, the invention has the beneficial effects that: 1. the auxiliary spinning wheel can perform preforming spinning on the blank, so that the friction load of the main spinning wheel is reduced; 2. an independent bearing is arranged in each spinning wheel in the auxiliary spinning wheel, so that when the auxiliary spinning wheel is passively rotated, the surface of the auxiliary spinning wheel can rotate at the same speed as the surface of a material blank to be spun, friction can be reduced, wrinkling and curling of the material blank can be avoided, and unfavorable effects such as shaking of the material blank can be prevented; 3. the multiple spinning wheels are overlapped together, so that the blank can be effectively supported, the unfavorable spinning effects of blank vibration, shaking, cracking, thinning rate increase and the like can be prevented, and the quality and the efficiency of the product spinning product can be obviously improved; 4. through setting up the auxiliary material spinning wheel, can further prevent that the great blank of volume from appearing curling after the spinning, with the spinning-lathe contact, influence product quality, or cause the damage to other parts of spinning-lathe.

Drawings

Fig. 1 is a plan view of embodiment 1 of the present invention.

Fig. 2 is a sectional view taken along the line a-a in fig. 1.

Fig. 3 is a cross-sectional view of the main rotor of fig. 1.

Fig. 4 is a cross-sectional view of the auxiliary wheel of fig. 1.

FIG. 5 is a sectional view of embodiment 2.

Fig. 6 is an exploded view of example 2.

The reference numbers illustrate: 1-main spinning wheel, 2-auxiliary spinning wheel, 3-spinning wheel frame, 11-wheel body I, 12-through hole I, 13-flange, 14-bearing I, 15-groove, 21-wheel body II, 22-through hole II, 23-arc surface, 24-bearing II, 25-ring body, 30-notch I, 31-fixing hole I, 32-fixing shaft, 40-notch II, 41-fixing hole II, 42-auxiliary material shaft, 43-auxiliary material spinning wheel, 44-spacer bush and 45-bearing III.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further 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.

On the contrary, the invention is intended to cover alternatives, modifications, equivalents and alternatives which may be included within the spirit and scope of the invention as defined by the appended claims. Furthermore, in the following detailed description of the present invention, certain specific details are set forth in order to provide a better understanding of the present invention. It will be apparent to one skilled in the art that the present invention may be practiced without these specific details.