阅读说明：本技术 异形环及其加工设备、加工方法 (Special-shaped ring and machining equipment and machining method thereof ) 是由 高树成 黄亚连 李�杰 于 2019-11-07 设计创作，主要内容包括：本发明提供了异形环及其加工设备、加工方法,属于型材加工领域,包括拼接成环形的多个弧形段,弧形段为空心管结构,弧形段的断面为上下对称结构,弧形段的上端包括第一竖直面、第二竖直面和水平固定面,第一竖直面和水平固定面之间设有第一固定斜面,第二竖直面和水平固定面之间设有第二固定斜面,针对弧形段的断面图形,外圈折弯处设有过渡用的多个截面外R角,内圈折弯处设有多个过渡用的截面内R角,异形环由板材焊接为空心管结构且焊缝设在第一竖直面的水平的中心直线上。本发明与其他零件的接触面积为平面,方便焊接和固定,简化组装工艺,而且提升了连接强度,采用对应的加工设备,简化异形环的加工过程,降低异形环的加工成本。(The invention provides a special-shaped ring, processing equipment and a processing method thereof, belonging to the field of section processing and comprising a plurality of annularly spliced arc sections, wherein each arc section is of a hollow tube structure, the section of each arc section is of an up-and-down symmetrical structure, the upper end of each arc section comprises a first vertical surface, a second vertical surface and a horizontal fixing surface, a first fixing inclined surface is arranged between the first vertical surface and the horizontal fixing surface, a second fixing inclined surface is arranged between the second vertical surface and the horizontal fixing surface, a plurality of outer section outer R angles for transition are arranged at the bending position of an outer ring aiming at the section graph of each arc section, a plurality of inner section R angles for transition are arranged at the bending position of an inner ring, the special-shaped ring is welded into a hollow tube structure by plates, and a welding line is arranged on the horizontal central straight line of the. The special-shaped ring has the advantages that the contact area with other parts is a plane, the welding and the fixing are convenient, the assembly process is simplified, the connection strength is improved, the corresponding processing equipment is adopted, the processing process of the special-shaped ring is simplified, and the processing cost of the special-shaped ring is reduced.)

1. Dysmorphism ring, its characterized in that: the device comprises a plurality of arc-shaped sections which are spliced into a ring, wherein each arc-shaped section is of a hollow tube structure, the section of each arc-shaped section is of an up-and-down symmetrical structure, the upper end of each arc-shaped section comprises a first vertical surface, a second vertical surface and a horizontal fixing surface, a first fixing inclined plane is arranged between the first vertical surface and the horizontal fixing surface, and a second fixing inclined plane is arranged between the second vertical surface and the horizontal fixing surface;

aiming at the section pattern of the arc-shaped section, a plurality of outer section external R angles for transition are arranged at the bending position of the outer ring, and a plurality of inner section internal R angles for transition are arranged at the bending position of the inner ring;

the special-shaped ring is welded into a hollow pipe structure by plates, a welding line is arranged on the horizontal central straight line of the first vertical surface, and the welding line adopts a split welding structure.

2. The profiled ring of claim 1, wherein: the slope of the first fixed inclined plane relative to the horizontal plane is smaller than the slope of the second fixed inclined plane relative to the horizontal plane, the first vertical plane is the outer side, the second vertical plane is the inner side, the first fixed inclined plane is connected with the side lacing wire, and the second fixed inclined plane is connected with the surface lacing wire.

3. The profiled ring of claim 1, wherein: the tolerance of the side length of the section of the arc-shaped section is not more than 1% of the side length of the section, the radius of an R angle outside the section is not more than +/-2 mm, the radius of an inner R angle is not more than +/-2 mm, the section of the arc-shaped section is formed by multi-channel compression molding, and the radius of a special-shaped ring is formed by medium-frequency hot bending.

4. The profiled ring of claim 1, wherein: the end face bending tolerance does not exceed 0.2 percent of the length of the pipe, the radial radius tolerance does not exceed +/-10 mm, the torsion value tolerance does not exceed 2/1000 of the length of the pipe, the side concavity and convexity are not greater than 0.6/1000 of the length of the section side, and the thickness tolerance of the plate for the special-shaped ring does not exceed +/-0.3 mm.

5. An apparatus for processing the profiled ring as claimed in any one of claims 1 to 4, characterized in that: the feeding assembly, the pushing assembly, the section forming assembly, the radian forming assembly and the blanking assembly are arranged on the assembly line, the section forming assembly comprises four forming rollers, the four forming rollers are arranged in four corners, forming cavities consistent with the appearance of the opposite sex ring are formed, and the forming rollers rotate along the axes of the forming rollers.

6. The apparatus for machining a profiled ring as claimed in claim 4, characterized in that: the forming roller is fixedly arranged on a horizontal shaft, the horizontal shaft is located at two ends of a forming roller axis and is rotatably connected with a bearing seat through four rows of cylindrical roller bearings respectively, the bearing seat is fixed with a fixing device, one end, far away from the forming roller, of the bearing seat is provided with a fixing seat, one end, far away from the forming roller, of the fixing seat is fixedly provided with a speed reducer, an output end of the speed reducer is fixedly connected with the horizontal shaft, and an input end of a planetary speed reducer is fixedly connected with a hydraulic motor.

7. The apparatus for machining a profiled ring as claimed in claim 6, characterized in that: one end of the horizontal shaft, which is far away from the hydraulic motor, is provided with a hanging ring, the forming roller is fixedly connected with the horizontal shaft through a key structure, and the speed reducer is a planetary speed reducer.

8. The apparatus for machining a profiled ring as claimed in claim 6, characterized in that: the integral hardness of the forming roller is HRC 58-62, the surface roughness of a forming cavity formed by the forming roller is 1.6, and the diameter tolerance of the forming roller is +/-0.05.

9. A method of processing a profiled ring as claimed in any one of claims 1 to 4, characterized in that: comprises the following steps of (a) carrying out,

s1, feeding, namely conveying the steel pipe stably from slow to fast, and stopping feeding when the tail of the steel pipe enters a hydraulic pushing machine;

s2, aligning and clamping the tail end ports of the front pipe head and the rear pipe head by using a clamping device, after clamping and confirming that the ports of the front pipe and the rear pipe are completely aligned, starting a propelling device, and adjusting the steel pipes to the symmetrical positions of the forming rollers by using opposite vertical rollers by a shaper before the steel pipes enter a unit;

s3, pushing, namely, opening a pushing unit to the initial section, opening a pushing door, closing the pushing door after the tail of the steel pipe completely enters the front end of the pushing unit, starting the pushing unit, pushing the steel pipe forward at a constant speed, and extruding the steel pipe into the size required by the production plan under the extrusion of a forming extrusion roller;

s4, molding, namely adjusting the molding roller to a specified size, starting a pushing device, extruding the square pipe into a special-shaped ring meeting the requirement, and checking parameters in time;

s5, forming an arc, and bending the special-shaped ring to a preset radian by using bending equipment;

and S6, blanking, cutting according to a preset length by using a sawing machine, and transferring to a set area by using a crane.

10. The method of machining a profiled ring as claimed in claim 9, characterized in that: the method comprises the steps of completing raw material inspection and feeding before S1, performing feeding on qualified products, classifying and processing unqualified products, hoisting and conveying the materials by a crown block, measuring the external dimension, the R angle, the surface roughness and the right angle of a special-shaped ring in time in S4, hoisting and conveying a semi-finished steel pipe to a complete machine set roller table by an operator after S6, conveying one end of the steel pipe to the front of the complete machine, clamping, adjusting a shaping mold according to the internal diameter dimension of the steel pipe, starting a hydraulic system opposite to the edge of a pipe orifice, adjusting the flatness of the pipe orifice until the requirement is met, turning over the steel pipe, sequentially adjusting other edges, hoisting and conveying the steel pipe by the crown block after one end is adjusted, repeating one step at the other end of the pipe orifice according to the steps until the pipe orifice meets the requirement, hoisting and setting codes according to the specifications, and adding the ink of a code sprayer, the operator sprays the code in the middle of the steel pipe by the code spraying device, the clear writing is noticed, and the residual ink is filled and sealed after the code spraying is finished, and the residual ink is left for secondary use.

Technical Field

The invention belongs to the field of section bar processing, and relates to a ferris wheel or large-scale fixed ring structure, in particular to a main body of a fixed ring with a circular structure, a special-shaped ring structure and equipment for processing the special-shaped ring structure.

Background

The ferris wheel is a large-scale runner-like mechanical building facility, hang on the wheel edge and be for passenger's cockpit (Gondola) taking on the ground, the passenger sits on ferris wheel and slowly turns up, can overlook the view all around from the eminence, the most common ferris wheel appears in amusement park (or theme park) and garden meeting generally, as a kind of playground maneuver game, it is called "three treasures in paradise" to be united with campsis flyer, rotatory wooden horse, but ferris wheel also often exists alone in other occasions, usually use as the moving view platform.

The ferris wheel rim steel structure is processed and assembled in a segmented mode in a factory, the rim is assembled into a whole after being transported to the site, then a rigid truss support or a flexible steel cable system inside the rim is connected, finally the steel cable system is integrally hoisted in place, the steel pipe truss of the rim is processed and completed in the factory and transported to the site to be assembled into a whole, then a steel cable inside the rim is installed and tensioned, prestress is introduced, and finally the wheel disc structure and a support tower structure form an integral structure and then the wheel disc structure and the support tower structure are hoisted.

The rim steel construction of ferris wheel is connected and is fixed with other parts because a plurality of positions of cooperation, and as the carrier of doing the outer lane, intensity is high, and is vital, because ferris wheel is circular, consider the problem of preparation and assembly, adopt the structure of hollow pipe more, but hollow pipe structure and other parts are at the welded in-process, because the basal plane is the arcwall face a lot, area of contact is limited, or need formulate special shape's complex part with it, cause the cost to be higher or welding process cost promotes, and because area of contact restriction, guarantee intensity needs very high technology, and intensity is the assurance of security again, as manned equipment, the security is vital, consequently, have strict requirement and restriction to intensity and technology.

Disclosure of Invention

The invention aims to solve the problems that the special-shaped ring, the processing equipment and the processing method thereof are provided, the contact area with other parts is a plane, the welding and the fixing are convenient, the assembly process is simplified, the connection strength is improved, the processing process of the special-shaped ring is simplified by adopting the corresponding processing equipment, and the processing cost of the special-shaped ring is reduced.

In order to solve the technical problems, the invention adopts the technical scheme that: the special-shaped ring comprises a plurality of arc-shaped sections which are spliced into a ring, wherein each arc-shaped section is of a hollow tube structure, the section of each arc-shaped section is of an up-and-down symmetrical structure, the upper end of each arc-shaped section comprises a first vertical surface, a second vertical surface and a horizontal fixing surface, a first fixing inclined surface is arranged between the first vertical surface and the horizontal fixing surface, and a second fixing inclined surface is arranged between the second vertical surface and the horizontal fixing surface;

aiming at the section pattern of the arc-shaped section, a plurality of outer section external R angles for transition are arranged at the bending position of the outer ring, and a plurality of inner section internal R angles for transition are arranged at the bending position of the inner ring;

the special-shaped ring is welded into a hollow pipe structure by plates, a welding line is arranged on the horizontal central straight line of the first vertical surface, and the welding line adopts a split welding structure.

Furthermore, the slope of the first fixed inclined plane relative to the horizontal plane is smaller than the slope of the second fixed inclined plane relative to the horizontal plane, the first vertical plane is the outer side, the second vertical plane is the inner side, the first fixed inclined plane is connected with the side lacing wire, and the second fixed inclined plane is connected with the surface lacing wire.

Furthermore, the tolerance of the side length of the section of the arc-shaped section is not more than 1% of the side length of the section, the radius of an R angle outside the section is not more than +/-2 mm, the radius of an inner R angle is not more than +/-2 mm, and the section of the arc-shaped section is formed by multi-channel press forming and medium-frequency hot bending forming of the radius of a special-shaped ring.

Furthermore, the end face bending tolerance does not exceed 0.2 percent of the length of the pipe, the radial radius tolerance does not exceed +/-10 mm, the torsion value tolerance does not exceed 2/1000 of the length of the pipe, the side concavity and convexity are not more than 0.6/1000 of the length of the section side, and the thickness tolerance of the plate for the special-shaped ring does not exceed +/-0.3 mm.

Equipment that processing dysmorphism encircles, including the pay-off subassembly that the assembly line set up, push away system subassembly, section shaping subassembly, radian shaping subassembly and unloading subassembly, section shaping subassembly includes four forming rolls, and four forming rolls become the four corners setting, and form with the unanimous shaping chamber of dysmorphism ring appearance, the forming roll rotates along its self axis.

Further, the forming roller sets firmly on the horizontal axis, the horizontal axis is located the both ends of one-tenth roller axis are rotated through four rows of cylindrical roller bearings respectively and are connected with the bearing frame, and the bearing frame is fixed with fixing device, the bearing frame is kept away from the one end of forming roller is equipped with the fixing base, the one end that the forming roller was kept away from to the fixing base has set firmly the speed reducer, the output of speed reducer with horizontal axis fixed connection, planetary reducer's input and hydraulic motor fixed connection.

Furthermore, one end of the horizontal shaft, which is far away from the hydraulic motor, is provided with a hanging ring, the forming roller is fixedly connected with the horizontal shaft through a key structure, and the speed reducer is a planetary speed reducer.

Further, the overall hardness of the forming roller is HRC 58-62, the surface roughness of a forming cavity formed by the forming roller is 1.6, and the diameter tolerance of the forming roller is +/-0.05.

S1, feeding, conveying stably from slow to fast, and stopping feeding when the tail of the steel pipe enters a hydraulic pushing machine;

s2, aligning and clamping the tail end ports of the front pipe head and the rear pipe head by using a clamping device, after clamping and confirming that the ports of the front pipe and the rear pipe are completely aligned, starting a propelling device, and adjusting the steel pipes to the symmetrical positions of the forming rollers by using opposite vertical rollers by a shaper before the steel pipes enter a unit;

s3, pushing, namely, opening a pushing unit to the initial section, opening a pushing door, closing the pushing door after the tail of the steel pipe completely enters the front end of the pushing unit, starting the pushing unit, pushing the steel pipe forward at a constant speed, and extruding the steel pipe into the size required by the production plan under the extrusion of a forming extrusion roller;

s4, molding, namely adjusting the molding roller to a specified size, starting a pushing device, extruding the square pipe into a special-shaped ring meeting the requirement, and checking parameters in time;

s5, forming an arc, and bending the special-shaped ring to a preset radian by using bending equipment;

and S6, blanking, cutting according to a preset length by using a sawing machine, and transferring to a set area by using a crane.

Further, the raw material inspection and feeding are completed before S1, qualified products are fed, unqualified products are classified, the materials are hoisted by a crown block and are conveyed by a V-shaped roller way, the external dimension of a special-shaped ring is measured in time in S4, the R angle, the surface roughness and the right angle are measured, after S6, an operator hoists a semi-finished steel pipe to the roller way of a complete machine set, one end of the steel pipe is conveyed to the front of the complete machine and is clamped, a shaping die is adjusted according to the internal diameter dimension of the steel pipe, a hydraulic system is started to the edge of a pipe orifice, the flatness of the pipe orifice is adjusted until the requirement is met, the steel pipe is turned over, other edges are adjusted in sequence, after one end of the pipe orifice is adjusted, the steel pipe is hoisted by the crown block, the other end of the pipe orifice is repeatedly moved to a finished product area according to the steps, finally, a code is set according to the specification, and ink of a code sprayer is added, the operator sprays the code in the middle of the steel pipe by the code spraying device, the clear writing is noticed, and the residual ink is filled and sealed after the code spraying is finished, and the residual ink is left for secondary use.

Compared with the prior art, the invention has the following advantages and positive effects.

1. The special-shaped ring adopts a symmetrical structure, is stressed uniformly and stably, is provided with a plurality of outer R angles of the cross section and inner R angles of the cross section at the joint of each section of the special-shaped ring, avoids stress concentration, prolongs the service life of parts, adopts a split welding structure at the joint of the annular structure, increases the welding area, and improves the welding strength, and the special-shaped ring structure is in surface contact with other parts in cooperation, is convenient to connect and fix, is more firm and stable in connection, and is more suitable for large-scale annular equipment, ferris wheels and other large-scale equipment;

2. in the manufacturing process, a plurality of parameters are set, so that the processing precision and strength of the arc-shaped section are ensured, the safety after actual installation is ensured, the section of the arc-shaped section is formed by multi-pass press forming, the medium-frequency hot bending forming of the radius of the special-shaped ring is carried out, cracks, base metal damage and obvious indentations cannot occur at any part of the pipe, the strength and precision are ensured, and the quality is improved;

3. the assembly line of the former of dysmorphism ring, adopt this company to use and apply for the production line of the round pipe processing for square pipe always, the difference is that the shape that a plurality of forming rollers are constituteed is different with before, form for square pipe before, this is multilateral dysmorphism ring structure, realize through the relative position who sets up the forming roller, then the radian of bending is being handled to the dysmorphism ring after the shaping, except that the shaping is different, other all are known technique, greatly reduced the cost of research and development and preparation, the commonality of setting has been promoted, and the forming roller becomes the subassembly setting, can directly replace conventional square pipe shaping part during in-service use, further reduce the input cost of equipment.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate an embodiment of the invention and, together with the description, serve to explain the invention and not to limit the invention. In the drawings:

FIG. 1 is a top view of a profiled ring of the present invention;

FIG. 2 is a cross-sectional view A-A of FIG. 1 of the present invention;

fig. 3 is a view showing a state in which the profiled ring of the present invention is actually used;

FIG. 4 is a flow chart of the apparatus for machining a profiled ring according to the present invention;

FIG. 5 is a cross-sectional view of the forming roll of the present invention engaged with a profiled ring;

FIG. 6 is an assembly view of the forming roll and associated parts of the present invention after mating;

fig. 7 is a process flow diagram of the present invention for forming a profiled ring.

Reference numerals:

10. a profiled ring; 1. a first vertical face; 2. a second vertical face; 3. a horizontal fixed surface; 4. a first fixed ramp; 5. a second fixed ramp; 6. an outer R-angle of cross-section; 7. an R angle in cross section; 81. a forming roller; 82. a horizontal axis; 821. a hoisting ring; 83. a cylindrical roller bearing; 84. a bearing seat; 85. a speed reducer; 86. a hydraulic motor; 87. a fixed seat; 20. stretching the surface of the steel wire; 30. and (5) diagonal draw bars.

Detailed Description

It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

The following detailed description of specific embodiments of the invention refers to the accompanying drawings.

As shown in fig. 1 to 6, the invention is a special-shaped ring, which comprises a plurality of arc-shaped sections spliced into a ring, wherein the arc-shaped sections are hollow tube structures, the sections of the arc-shaped sections are in an up-and-down symmetrical structure, the upper ends of the arc-shaped sections comprise a first vertical surface 1, a second vertical surface 2 and a horizontal fixing surface 3, a first fixing inclined surface 4 is arranged between the first vertical surface 1 and the horizontal fixing surface 3, and a second fixing inclined surface 5 is arranged between the second vertical surface 2 and the horizontal fixing surface 3;

aiming at the section pattern of the arc-shaped section, a plurality of outer section outer R angles 6 for transition are arranged at the bending position of the outer ring, and a plurality of inner section inner R angles 7 for transition are arranged at the bending position of the inner ring, so that stress concentration is avoided, and the service life of the part is prolonged;

the special-shaped ring 10 is welded by plates to be in a hollow pipe structure, a welding seam is arranged on the horizontal central straight line of the first vertical surface 1, a slit welding structure is adopted for the welding seam, a 60-degree structure is adopted for the angle of slit welding, the depth of the slit welding is more than 3/5 of the thickness of the plates, the optimum welding depth is 4/5, the welding area is ensured, and the strength after welding is improved.

Preferably, the slope of the first fixed inclined plane 4 relative to the horizontal plane is smaller than the slope of the second fixed inclined plane 5 relative to the horizontal plane, the first vertical plane 1 is the outer side, the second vertical plane 2 is the inner side, the first fixed inclined plane 4 is connected with the side lacing wire, the second fixed inclined plane 5 is connected with the surface lacing wire 20, a planar structure is adopted for welding and fixing, the contact area is enlarged, the welding firmness is increased, the strength and the stability of the whole structure are improved, more preferably, the corresponding arc angle of each arc section is 11.5-13.5 degrees, the corresponding angle is too large, arc bending is not easy to manufacture, the forming precision is reduced, the corresponding angle is too small, in the structure assembled by an actual welding machine, the assembling process and the assembling difficulty are increased, too many sections are connected in a sheet mode, the integral strength is influenced, on the premise that the precision and the strength are ensured, the subsection intervals are reasonably set, and the structure is suitable for arc welding structures with the radius of more, the strength is high.

Preferably, the tolerance of the side length of the section of the arc-shaped section is not more than 1% of the side length of the section, the radius of an outer R angle 6 of the section is not more than +/-2 mm, the radius of an inner R angle is not more than +/-2 mm, the section of the arc-shaped section is formed by multi-pass press forming, the special-shaped ring 10 is formed by medium-frequency hot bending with the radius, cracks, base material damage and obvious indentations cannot occur at any part of the pipe, the strength and the precision are ensured, and.

Preferably, the end face bending tolerance does not exceed 0.2% of the length of the pipe, the radial radius tolerance does not exceed +/-10 mm, the torsion value tolerance does not exceed 2/1000 of the length of the pipe, the degree of concavity and convexity of the side is not more than 0.6/1000 of the length of the section side, the thickness tolerance of the plate material used for the special-shaped ring 10 does not exceed +/-0.3 mm, the parameters are set, the strength and the precision of the special-shaped ring 10 can be ensured, therefore, the special-shaped ring 10 is formed by splicing a plurality of arc-shaped sections and is used for ultra-large equipment, the precision and the strength are crucial, the safety is directly influenced, the difference of any one parameter must be within the tolerance.

The equipment for processing the special-shaped ring 10 comprises a feeding component arranged on a flow line, a pushing component, a section forming component, a radian forming component and a blanking component, wherein the section forming component comprises four forming rollers 81, the four forming rollers 81 are arranged in four corners and form a forming cavity consistent with the appearance of the special-shaped ring, the forming rollers 81 rotate along the self axis, the feeding component, the pushing component, the radian forming component and the blanking component are all provided with the existing equipment of the company, related patents are applied before, the feeding component can refer to the following two patents, a conveying device for a rectangular pipe production line ' CN201720313774.9 conveying device for a rectangular pipe production line ' and a plate buffering conveying device for an X rectangular pipe production line '; the pushed assembly refers to the following patents, "CN 201720351945.7 a rectangular steel tube clamping device", and the pushed assembly refers to a cooling device, and refers to the following patents, "CN 201720316264.7 welding cooling water circulation supply device for rectangular tube production line", and in the pushed process, the cross-section shape of the special-shaped ring 10 is formed after passing through the cross-section forming assembly, and the formed special-shaped ring 10 forms a certain radian after passing through the radian forming assembly, and refers to the patents "CN 201310148530.6 a heat pipe bending method and a heat pipe bending manufacturing device" and "CN 201210436582.9 a plate tube bending machine", and after forming, the blanking assembly refers to the patents of this company, "cn201720313684. x rectangular steel tube formed automatic conveying device" and "CN 201720353033.3 a rectangular tube formed conveying and receiving device", and after conveying, cutting and packing can be performed, and refer to the following patents, "CN 201720351504.7 a formed steel tube cutting platform device for steel tube extrusion forming production line" "rectangular pipe cutting device behind CN201720312658.5 shaping", "CN 201720312664.0 rectangle steel pipe automatic packing device", realized the automation line setting of dysmorphism ring 10 production facility, promoted the efficiency and the precision of production.

Preferably, the forming roller 81 is fixedly arranged on the horizontal shaft 82, two ends of the horizontal shaft 82, which are located on the roller forming axis, are rotatably connected with the bearing seat 84 through four rows of cylindrical roller bearings 83, the bearing seat 84 is fixed with the fixing device, a fixing seat 87 is arranged at one end of the bearing seat 84, which is far away from the forming roller 81, a speed reducer 85 is fixedly arranged at one end of the fixing seat 87, which is far away from the forming roller 81, the output end of the speed reducer 85 is fixedly connected with the horizontal shaft 82, and the input end of the planetary speed reducer 85 is fixedly.

Preferably, the end of horizontal axis 82 far away from hydraulic motor 86 is equipped with rings 821, forming roll 81, horizontal axis 82 and relevant part are set up in groups, then be connected with fixing device, because forming roll 81's length is about 1 meter, the diameter is also great, the fashioned specification and hardness need be guaranteed, in addition relevant part, the weight of whole horizontal axis 82 and relevant part is great, after setting up rings 821, be favorable to whole group's structure hoist and mount and transportation, forming roll 81 passes through key structure fixed connection with horizontal axis 82, the length of key is close to the length setting of forming roll 81, speed reducer 85 is planetary reducer 85, planetary reducer 85 is the direct transmission structure, planetary reducer 85 can promote the moment of torsion, increase the stability of this structure.

Preferably, the whole hardness of the forming roller 81 is HRC 58-62, the outer surface of the forming roller 81 can be provided with a nitriding layer, the hardness of the outer surface of the forming roller 81 is improved, the steel can be guided and pressed after the hardness is ensured, extrusion deformation according to a preset shape is realized, if the hardness of the forming roller 81 is too low, the service life of the forming roller 81 is too short, the forming precision of the special-shaped ring 10 cannot be ensured, the surface roughness of a forming cavity formed by the forming roller 81 is 1.6, the diameter tolerance of the forming roller 81 is +/-0.05, the size precision and the surface roughness of the forming roller 81 are set, the precision of the forming roller 81 is ensured, the precision of the special-shaped ring 10 is further ensured, and the qualification rate of products is improved.