CN110947816A - Rotor support end surface spinning equipment and rotor support end surface spinning processing method - Google Patents
Rotor support end surface spinning equipment and rotor support end surface spinning processing method Download PDFInfo
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- CN110947816A CN110947816A CN201911375400.XA CN201911375400A CN110947816A CN 110947816 A CN110947816 A CN 110947816A CN 201911375400 A CN201911375400 A CN 201911375400A CN 110947816 A CN110947816 A CN 110947816A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D22/00—Shaping without cutting, by stamping, spinning, or deep-drawing
- B21D22/14—Spinning
- B21D22/16—Spinning over shaping mandrels or formers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D53/00—Making other particular articles
- B21D53/88—Making other particular articles other parts for vehicles, e.g. cowlings, mudguards
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Abstract
The invention relates to the technical field of spinning equipment, and discloses spinning equipment for an end face of a rotor support and a spinning processing method for the end face of the rotor support. The rotor support end face spinning equipment is used for spinning the material cake into a rotor support provided with a cylinder body part and a closing-in part, the step surface of one end, connected with the closing-in part, of the cylinder body part is concave and comprises a tail top and a mandrel seat, a mandrel is assembled on the mandrel seat and comprises a closing-in section and a cylinder body section arranged at the bottom of the closing-in section, the material cake can be assembled on the mandrel, and the tail top can be pressed against the material cake; one side of the core rod is provided with a closing end spinning roller which can be close to the closing end section so as to enable the material cake to be spun and pressed to form a step surface and a closing end part; the periphery of the core rod is provided with a barrel spinning roller assembly which can be close to the barrel section so as to spin the material cake which finishes the processing of the step surface and the closing part into the barrel part. According to the invention, the rotor support is finally formed by spinning the material cake through the closing end spinning roller and the barrel spinning roller assembly, so that the processing cost of the rotor support can be reduced, and the processing efficiency and the yield can be improved.
Description
Technical Field
The invention relates to the technical field of spinning equipment, in particular to spinning equipment for an end face of a rotor support and a spinning processing method for the end face of the rotor support.
Background
The automobile gearbox is assembled by various parts. In recent years, with the rapid updating of the speed changing box, the processing difficulty and the quality requirement of the core parts of the speed changing box are higher and higher.
For some shell-shaped parts in the transmission case, the existing processing means is to process the material cake through a stamping process to form the parts. However, the traditional stamping process for the shell parts with thin wall thickness and complex shapes has the problems of long time consumption, high processing cost and low yield caused by cracking of bent positions of the material cakes easily during stamping of the material cakes. Fig. 1 is a schematic view of a rotor support of a DHT gearbox. The DHT is named as a Dedcated hybrid Transmission and is named as a hybrid special gearbox in Chinese. The main body of the rotor bracket comprises a cylindrical body part 1' and a closing-in part 2' which is coaxially formed at one end of the cylindrical body part 1 '. The step surface 3' between the cylinder part 1' and the closing-in part 2' is concave, and the structure is characterized in that the shape is larger, the wall is thin, the thickness distribution is uneven, the diameter difference between the cylinder part 1' and the closing-in part 2' is larger, and the fillet angle between the cylinder part 1' and the closing-in part 2' is larger. If a stamping process is adopted, a thicker plate is needed due to uneven wall thickness, so that the stamping difficulty is greatly improved, and the round corner of the closing-in part 2' is easy to crack and scrap.
Therefore, it is desirable to provide a spinning apparatus for an end surface of a rotor holder and a spinning method for an end surface of a rotor holder, which can reduce the processing cost of the rotor holder and improve the processing efficiency and yield.
Disclosure of Invention
The invention aims to provide a rotor support end face spinning device which can reduce the processing cost of a rotor support and improve the processing efficiency and the yield.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides a rotor support terminal surface spinning equipment for become the rotor support of material cake spinning coaxial arrangement barrel portion and closing up the mouth, the barrel portion is connected the step of the one end of closing up the mouth is personally submitted sunken form, rotor support terminal surface spinning equipment includes:
the material cake feeding device comprises a tail top and a mandrel base which are oppositely arranged, wherein a mandrel is assembled on the mandrel base, the mandrel comprises a closing section and a cylinder section arranged at the bottom of the closing section, the material cake can be assembled on the mandrel, and the tail top can be pressed against the material cake;
the closing end spinning roller is arranged on one side of the core rod and can be close to the closing end section so that the material cake is spun and pressed to form the step surface and the closing end part;
and the barrel spinning roller assembly is arranged on the peripheral side of the mandrel and can be close to the barrel section so as to spin the material cake which completes the processing of the step surface and the closing-up part into the barrel part.
Optionally, the closed-end spinning roller is of a circular truncated cone structure, and the bottom corner of the closed-end spinning roller is used for point contact spinning of the material cake.
Optionally, a limit flange is annularly arranged on the side surface of the circular truncated cone of the closed-end spinning roller, the limit flange is located at one end of a bottom foot far away from the closed-end spinning roller, and when the closing-up portion is formed by spinning and pressing the material cake, the limit flange is used for limiting the height of the closing-up portion formed on the material cake.
Optionally, a bottom corner of the closing-end spinning roller is spun on the upper surface of the material cake, and a distance between the bottom of the limiting flange and a bottom foot of the closing-end spinning roller is greater than the length of the closing-end section.
Optionally, the spinning equipment for the end face of the rotor support further comprises a material returning disc, and the material returning disc is sleeved on the mandrel base and can move along the axial direction of the mandrel base.
Optionally, the rotor support end face spinning device further comprises a tail top seat, and the tail top is rotatably arranged on the tail top seat.
Optionally, the barrel spinning roller assembly comprises a first spinning wheel, a second spinning wheel and a third spinning wheel which are arranged on the peripheral side of the core rod, and the first spinning wheel, the second spinning wheel and the third spinning wheel are respectively used for spinning the material cake, so that the barrel body part is formed on the material cake.
Optionally, the mandrel holder and the mandrel are driven to rotate by a rotary drive assembly.
Optionally, the rotor support end surface spinning apparatus further includes:
the closing end rotary moving assembly is used for driving the closing end rotary roller to horizontally approach or keep away from the core rod;
the end-closing rotary lifting component is arranged at the output end of the end-closing rotary lifting component and used for driving the end-closing rotary roller to do lifting movement.
The invention also aims to provide a spinning processing method for the end face of the rotor support, which can reduce the processing cost of the rotor support and improve the processing efficiency and the yield.
In order to achieve the purpose, the invention adopts the following technical scheme:
a spinning processing method for the end face of a rotor support is based on the spinning equipment for the end face of the rotor support and comprises the following steps:
spinning forming of the closing part and the step surface: placing the material cake on the core rod, spinning the material cake through the closing end spinning roller, so that partial materials on the upper surface of the material cake are deformed by spinning extrusion and are stacked and attached to the outer peripheral wall of the closing end section, and the step surface and the closing end part are formed on the material cake;
spinning and forming the cylinder part: and resetting the closing end spinning roller, spinning the material cake through the barrel spinning roller component, so that the unprocessed part of the material cake which is processed by the step surface and the closing end part is deformed by spinning extrusion and is stacked and attached to the outer peripheral wall of the barrel body part, and the barrel body part is formed on the material cake.
The invention has the beneficial effects that:
the material cake placed on the core rod is spun through the closing end spinning roller close to the closing end section of the core rod, and the material cake deforms under the spinning action of the closing end spinning roller to finally form the closing end section and the step surface. And then, pressing the tail against the material cake, and spinning the material cake processed on the step surface and the closing part through a barrel spinning roller component close to a barrel section of the core rod to form a barrel part and finally obtain the rotor support. The spinning processing method for the end face of the rotor support can reduce the processing cost of the rotor support and improve the processing efficiency and the yield.
Drawings
FIG. 1 is a rotor spider structure of a DHT gearbox;
FIG. 2 is a schematic structural view of a spinning apparatus for an end face of a rotor frame loaded with a material cake according to the present invention;
FIG. 3 is a schematic cross-sectional view of a female-end spinning roller provided by the present invention;
FIG. 4 is a schematic view of a process for forming a nip and a step surface by processing a cake with a nip roller according to the present invention;
FIG. 5 is a schematic view of the barrel spinning roller assembly provided by the invention for processing the cake to form the barrel portion.
In the figure:
1-tail top; 2-mandrel seat; 3-core rod; 31-a mouth-closing section; 32-a barrel section; 4-rolling the roller at the closed end; 41-a limiting flange; 5-cylinder spinning roller assembly; 51-a first spinning wheel; 52-second spinning wheel; 53-third spinning wheel; 6-material returning disc; 7-tail top seat; 8-material cake.
Detailed Description
In order to make the technical problems solved, the technical solutions adopted and the technical effects achieved by the present invention clearer, the technical solutions of the present invention are further described below by way of specific embodiments with reference to the accompanying drawings.
In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, removably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
In the description of the embodiments of the present invention, the terms "upper", "lower", "left", "right", and the like are used in the orientations and positional relationships shown in the drawings only for convenience of description and simplicity of operation, and do not indicate or imply that the designated devices or elements must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to have a special meaning.
As shown in fig. 1, which is a structural diagram of a rotor holder of a DHT transmission, a main body of the rotor holder includes a cylindrical body 1' and a closing-in portion 2' coaxially formed at one end of the cylindrical body 1 '. Wherein, a step surface 3' between the barrel part 1' and the closing-in part 2' is concave. The spare and accessory part processing of this type of gearbox among the prior art adopts stamping equipment to accomplish usually, but because the wall thickness of some shell form spare and accessory parts such as spider is than thin scheduling problem, adopts stamping equipment processing to have the problem that the processing degree of difficulty is big, the yields is low.
As shown in fig. 2, the rotor support end surface spinning apparatus provided in this embodiment is mainly used for spinning the material cake 8 into the rotor support, where the material cake is a cake-shaped material. Rotor support terminal surface spinning equipment mainly includes relative tail top 1 and the mandrel seat 2 that sets up, is equipped with plug 3 on the mandrel seat 2, and plug 3 includes closing in section 31 and sets up the barrel section 32 at closing in section 31 bottom, and the outside profile of closing in section 31 is the same with the inside profile of rotor support's closing in section's inside profile, and the outside profile of barrel section 32 is the same with the inside profile of rotor support's barrel, and cake 8 can assemble on plug 3. The closing end spinning roller 4 is arranged on one side of the core rod 3, and the closing end spinning roller 4 can be close to the closing end section 31 so that the material cake 8 is spun and pressed to form a step surface and a closing end part; the cylinder spinning roller assembly 5 is arranged on the periphery of the mandrel 3, and the cylinder spinning roller assembly 5 can be close to the cylinder section 32 so that the material cake 8 which completes the processing of the step surface and the closing-in part can be spun into a cylinder part.
During practical spinning processing, the material cake 8 is assembled on the core rod 3, the material cake 8 placed on the core rod 3 is spun by the closing-end spinning roller 4 close to the closing-end section 31 of the core rod 3, part of materials on the upper surface of the material cake 8 are extruded and deformed and stacked to be attached to the outer peripheral wall of the closing-end section 31 to finally form a closing-end part under the spinning action of the closing-end spinning roller 4, meanwhile, under the spinning action of the closing-end spinning roller 4, an area of the material cake 8 corresponding to a step surface is tightly attached to the surface between the closing-end section 31 and the barrel body section 32 and used for forming the step surface, and then a concave step surface is formed on the material cake 8. Then, the tail top 1 is pressed against the material cake 8 to fix the material cake 8 between the tail top 1 and the core rod 3, and the material cake 8 with the step surface and the closing part processed is spun through the cylinder spinning roller assembly 5 close to the cylinder section 31 of the core rod 3, so that a cylinder body part is formed on the material cake 8, and finally the rotor support is obtained. Compared with the prior art that the material cake 8 is directly punched by a punching device, the material cake 8 is directly sent and bent to form a closing part. In this embodiment, the formation of the closing-up portion is that partial material of the upper surface of the cake 8 is pushed and pressed by the closing-up end spinning roller 4 to be extruded and deformed and stacked to be attached to the outer peripheral wall of the closing-up section 31, so that the closing-up portion is formed, the problem of cracking of the corner position of the closing-up portion when the pressing device presses the closing-up portion is avoided, the yield is greatly improved, and the rotor support end surface spinning device is simple in structure and convenient to machine, the machining cost is reduced, and the machining efficiency is improved.
Specifically, the rotor frame end surface spinning apparatus further includes a tail boom 1 and a rotary drive assembly (not shown in the drawings). The tail top 1 is rotatably arranged on the tail top seat 7, and the mandrel seat 2 and the mandrel 3 are driven to rotate through the rotary driving component, so that the material cake 8 on the mandrel 3 is driven to rotate. In this embodiment, the rotation driving assembly is a driving motor, and the output end of the driving motor is connected to the mandrel holder 2, so as to realize rotation driving.
Furthermore, the spinning equipment for the end face of the rotor support further comprises a material returning disc 6, wherein the material returning disc 6 is sleeved on the mandrel base 2 and can move along the axial direction of the mandrel base 2. After the rotor support is finally obtained by finishing the processing of the material cake 8, the material returning disc 6 is pushed upwards to abut against the lower end of the processed and formed rotor support, so that the rotor support is ejected out of the core rod 3 and is taken down, and the use is simple and convenient.
And in order to enable the closing-end rotary roller 4 to be close to the closing-end section 31 of the core rod 3 and finish the processing and forming of the closing-end part and the step surface of the material cake 8. Specifically, the spinning device for the end face of the rotor support further comprises a female end spinning moving assembly and a female end spinning lifting assembly (not shown in the figure). The closing end rotary roller 4 is rotatably arranged at the output end of the closing end rotary moving assembly, and the closing end rotary moving assembly is used for driving the closing end rotary roller 4 to be horizontally close to or far away from the core rod 3. The closing end rotary moving component is arranged at the output end of the closing end rotary lifting component, and the closing end rotary lifting component is used for driving the closing end rotary roller 4 to do lifting movement. Specifically, the closing end rotary moving assembly is a common linear displacement driving mechanism adopted in the prior art, such as a linear motor, an air cylinder and the like. The closed end rotary lifting assembly is also a common lifting displacement driving mechanism adopted in the prior art, such as a linear motor, a cylinder and the like.
But to be able to press part of the material of the upper surface of the cake 8 during spinning to move it in the direction of the closing-in section 31 of the mandrel 3 and to accumulate against the peripheral wall of the closing-in section 31. As shown in fig. 2-4, the specific structure of the closing-end spinning roller 4 is a circular truncated cone structure, and the bottom corner of the closing-end spinning roller 4 is used for point-contact spinning of the cake 8. The contact mode of the bottom corner of the closing end spinning roller 4 and the material cake 8 is a point contact mode. When the material cake 8 is processed at the closing-in part and the step surface, as shown in fig. 4, the material cake 8 is placed on the core rod 3, and the closing-in end rotary roller 4 is driven by the closing-in end rotary moving assembly and the closing-in end rotary lifting assembly to be close to the closing-in part 31 along the feeding direction. Wherein, the feeding direction of the closing end rotary roller 4 can be divided into a horizontal direction close to the closing end 31 and a vertical direction for downwards extruding the material cake 8. When the footing of the closing end spinning roller 4 extrudes the material cake 8, the material cake 8 is tightly pressed on the upper surface of the cylinder section 32 of the mandrel 3 under the extrusion action of the closing end spinning roller 4 and rotates along with the mandrel 3 in a spinning mode, and the closing end spinning roller 4 also rotates in a spinning mode due to the fact that the closing end spinning roller 4 is rotatably arranged at the output end of the closing end spinning moving assembly, and therefore sliding friction cannot occur between the closing end spinning roller 4 and the upper surface of the material cake 8. At this time, the cake 8 is mainly subjected to the pressing force of the pinch-end spinning roller 4 and the rotational force transmitted from the plug 3. Therefore, the material cake 8 is rotated and simultaneously subjected to the extrusion force of the closing-end spinning roller 4, so that part of materials on the upper surface of the material cake 8 are extruded and deformed to be convex, and gradually approach the closing-end section 31 under the extrusion of the closing-end spinning roller 4, when part of materials on the upper surface of the material cake 8 are accumulated near the closing-end section 31, the outer side wall of the circular table of the closing-end spinning roller 4, which is close to one side of the closing-end section 31, is kept parallel to the outer side wall of the closing-end section 31, the outer side wall of the circular table of the closing-end spinning roller 4 can further extrude the part of materials and enable the part of materials to be extruded and deformed and to be attached to the outer peripheral wall of the closing-end section 31, and finally the material cake 8 is formed with a.
Further, when the cake 8 is pressed by the closing-end rotary roller 4 to form the closing-up portion and the stepped surface, the material pressed and accumulated on the upper surface of the cake 8 is gradually vertically accumulated upward along the outer peripheral wall of the closing-up section 31 of the plug 3 to form the closing-up portion. And the problem that the subsequent processing is influenced by the fact that the height of the materials accumulated upwards when the material forms the closing part is too high is avoided. As shown in fig. 3-4, a limit flange 41 is annularly arranged on the side surface of the circular truncated cone of the closing-end spinning roller 4, the limit flange 41 is located at one end of the bottom foot far away from the closing-end spinning roller 4, and when the material cake 8 is spun and pressed to form a closing-up portion, the limit flange 41 is used for limiting the height of the closing-up portion formed on the material cake 8. Specifically, when the bottom corner of the closing-end spinning roller 4 is spun on the upper surface of the material cake 8, the distance between the bottom of the limiting flange 41 and the bottom foot of the closing-end spinning roller 4 is greater than the length of the closing-end section 31. When the material extruded and stacked on the upper surface of the cake 8 is gradually vertically and upwardly stacked along the peripheral wall of the closing section 31 of the core rod 3 to form a closing part, the top of the extruded and deformed material is finally abutted against the bottom of the limiting flange 41, then the part of the material stops continuously climbing upwards along the vertical direction and is stacked on the top of the closing section 31 of the core rod 3 along the horizontal direction, so that the problem that the subsequent processing is influenced due to the overhigh height of the upward stacking when the closing part is formed by the extruded and deformed material is solved, the structure of the limiting flange 41 is simple, and the processing and forming are convenient,
after finishing the processing and forming of the closing portion and the step surface of the cake 8, the cake 8 needs to be further processed by using the barrel spinning roller assembly 5 to form a barrel portion. Specifically, as shown in fig. 2, the barrel spinning roller assembly 5 includes a first spinning wheel 51, a second spinning wheel 52, and a third spinning wheel 53, which are disposed on the periphery of the mandrel 3, and the first spinning wheel 51, the second spinning wheel 52, and the third spinning wheel 53 are respectively used for spinning the cake 8, so that the cake 8 forms a barrel portion. Specifically, the rotor holder end surface spinning apparatus further includes a first moving assembly and a first lifting assembly (not shown in the drawings). The first spinning wheel 51 is rotatably disposed at an output end of the first moving assembly, and the first moving assembly is disposed at an output end of the first lifting assembly. The first moving assembly adopts a linear displacement mechanism in the prior art, and can be a linear driving cylinder and the like to drive the first spinning wheel 51 to horizontally approach or depart from the cylinder section 32 of the mandrel 3, while the first lifting assembly adopts a linear lifting mechanism in the prior art, and can be a linear driving cylinder and the like to drive the first spinning wheel 51 to vertically approach or depart from the cylinder section 32 of the mandrel 3.
Similarly, the second spinning wheel 52 and the third spinning wheel 53 are driven to move. Specifically, the rotor support end face spinning device further comprises a second moving assembly, a second lifting assembly, a third moving assembly and a third lifting assembly. The second spinning wheel 52 is rotatably disposed at the output end of the second moving assembly, and the second moving assembly is disposed at the output end of the second lifting assembly. The second moving assembly adopts a linear displacement mechanism in the prior art, and can be a linear driving cylinder and the like to drive the second spinning wheel 52 to horizontally approach or be far away from the cylinder section 32 of the mandrel 3, while the second lifting assembly adopts a linear lifting mechanism in the prior art, and can be a linear driving cylinder and the like to drive the second spinning wheel 52 to vertically approach or be far away from the cylinder section 32 of the mandrel 3. The third spinning wheel 53 is rotatably disposed at the output end of the third moving assembly, and the third moving assembly is disposed at the output end of the third lifting assembly. The third moving assembly adopts a linear displacement mechanism in the prior art, such as a linear driving cylinder, to drive the third spinning wheel 53 horizontally close to or far from the cylinder section 32 of the mandrel 3, and the third lifting assembly adopts a linear lifting mechanism in the prior art, such as a linear driving cylinder, to drive the third spinning wheel 53 vertically close to or far from the cylinder section 32 of the mandrel 3.
As shown in fig. 5, in actual processing, the first moving assembly and the first lifting assembly drive the first spinning wheel 51 to approach the cake 8 along the feeding direction from top to bottom and spin on the upper surface of the cake 8, and under the spinning action of the first spinning wheel 51, the cake 8 deforms, thereby preliminarily forming the basic contour of the cylinder.
After the first spinning roller 51 finishes the primary spinning of the cake 8 to form the basic contour of the cylinder, the second spinning roller 52 further spins the cake 8, so that the corresponding part of the cake 8 is attached to the outer circumferential wall of the cylinder section 32 of the mandrel 3 to form the main contour of the cylinder. Because the wall thickness of the barrel that processing formed at this moment is thick, still can't reach the wall thickness design needs of the barrel of rotor support, further follow the feed direction of top-down through third spinning wheel 53 and extrude the periphery wall of the barrel that has formed main profile of cake 8, under the extrusion of third spinning wheel 53, unnecessary material is extruded and is piled up the bottom of the barrel that has formed main profile, and make the inner wall of the barrel that has formed main profile paste completely on the periphery wall of barrel 32, finally form the thickness and reach the design requirement barrel, and then obtain the commentaries on classics positive support.
The rotor support in the prior art is formed by stamping equipment through a stamping process, and has the problems of high reject ratio, high processing cost, high difficulty and the like. The spinning equipment for the end face of the rotor support abandons the production idea of processing and forming by adopting the stamping equipment through the stamping process, and utilizes the plastic deformation characteristic of the material cake 8 to spin the material cake 8 placed on the core rod 3 through the rolling wheel 4 with the limiting flange 41 at the closing end, wherein the outline shape of the core rod 3 is the same as that of the rotor support which is processed and formed. Under the spinning action of the spinning roller 4, the material on the upper surface of the cake 8 is extruded and stacked to be attached to the outer peripheral wall of the closing section 31, so that a closing part and a concave step surface are formed on the cake 8. And then further spinning the material cake 8 by the first spinning wheel 51, the second spinning wheel 52 and the third spinning wheel 53 to finally obtain a cylinder body with a set size and thickness, and finishing the processing of a closing-in part, the cylinder body and a step surface to obtain the rotor bracket.
The embodiment also provides a spinning method for the end face of the rotor support, and based on the spinning equipment for the end face of the rotor support, the spinning method for the end face of the rotor support mainly comprises the following steps:
1) spinning forming of the closing part and the step surface: and placing the material cake on the core rod, spinning the material cake through the closing end spinning roller, so that part of the material on the upper surface of the material cake is deformed by spinning extrusion and is stacked and attached to the outer peripheral wall of the closing end section, and the step surface and the closing end part are formed on the material cake.
2) Spinning and forming the cylinder part: and resetting the closing end spinning roller, spinning the material cake through the barrel spinning roller component, so that the unprocessed part of the material cake which is processed by the step surface and the closing end part is deformed by spinning extrusion and is stacked and attached to the outer peripheral wall of the barrel body part, and the barrel body part is formed on the material cake.
The spinning processing method for the end face of the rotor support can reduce the processing cost of the rotor support and improve the processing efficiency and the yield. Specifically, as shown in fig. 4 to 5, a specific machining method of the rotor holder will now be described in detail in conjunction with the rotor holder end surface spinning apparatus of the present embodiment.
1) Assembling the material cake 8 with a round hole on the core rod 3, inserting the closing-in section 31 into the round hole of the material cake 8, and starting the rotary driving component to enable the core rod seat 2, the core rod 3 and the material cake 8 to synchronously rotate around the axis. The tail top 1, the first spinning wheel 51, the second spinning wheel 52, the third spinning wheel 53 and the closing end spinning roller 4 are respectively stopped at the initial position.
2) The closing-end spinning roller 4 is driven to be close to the closing-up section 31 of the mandrel 3 along the feeding direction of the closing-end spinning roller 4 (wherein the feeding direction of the closing-end spinning roller 4 can be decomposed into the horizontal direction close to the closing-up section 31 and the vertical downward direction), so that the bottom point of the closing-end spinning roller 4 is in contact with and pressed against the upper surface of the material cake 8, and the material cake 8 is compressed between the closing-end spinning roller 4 and the cylinder body section 32 of the mandrel 3. The closing end spinning roller 4 is driven by the core rod 3 to rotate synchronously to perform autorotation motion, so that the closing end spinning roller 4 is in rolling contact with the upper surface of the material cake 8. Under the action of the movement of the closing-end rotary roller 4 along the feeding direction, the materials on the upper surface of the material cake 8 are extruded and deformed and are gradually stacked towards the direction close to the peripheral wall of the closing-end section 31.
3) After the closing-end spinning roller 4 moves to a set position close to the closing-end section 31 along the horizontal direction, the closing-end spinning roller stops moving continuously along the feeding direction, the peripheral wall of the circular table of the closing-end spinning roller 4 close to the closing-end section 31 is kept parallel to the peripheral wall of the closing-end section 31, materials piled up by extrusion are enabled to continue to be piled up upwards along the vertical direction under the extrusion force action of the peripheral wall of the circular table of the closing-end spinning roller 4 and lean against the peripheral wall of the closing-end section 31, then the closing-end part is finally formed, and when the closing-end part is formed, the step surface is also.
4) The closing end rotary roller 4 is moved away and reset, the tail top 1 is pressed against the material cake 8 which completes the processing of the closing end part and the step surface, the material cake 8 is further fixed between the tail top 1 and the core rod 3, and the tail top 1 synchronously rotates along with the core rod 3. The first spinning wheel 51 is driven to be close to the core rod 3 along the horizontal direction and stop at a set position above the material cake 8, the first spinning wheel 51 is driven to move along the feeding direction from top to bottom so as to spin the part of the material cake 8 extending out of the core rod 3, and the material cake 8 is forced to deform downwards primarily to form the basic outline of the cylinder body.
5) The second spinning wheel 52 is driven to be close to the core rod 3 along the horizontal direction and stop at a set position above the material cake 8, the second spinning wheel 52 is driven to move along the feeding direction from top to bottom, the material cake 8 is further spun, and the corresponding part of the material cake 8 is attached to the outer peripheral wall of the cylinder section 32 of the core rod 3 to form the main outline of the cylinder body.
6) The third spinning wheel 53 is driven to be close to the core rod 3 along the horizontal direction, and stop at the top setting position of the cake 8, the third spinning wheel 53 is driven to move along the feeding direction from top to bottom, the outer peripheral wall of the cylinder part of the main profile is formed in the cake 8 in the further extrusion, under the extrusion effect of the third spinning wheel 53, redundant materials are extruded and stacked to the bottom of the cylinder part of the main profile, the inner wall of the cylinder part of the main profile is enabled to be completely attached to the outer peripheral wall of the cylinder part 32, the thickness of the cylinder part reaches the design requirement in the final processing, and the correcting support is obtained.
7) The first spinning wheel 51, the second spinning wheel 52 and the third spinning wheel 53 are respectively moved back to the initial position. The tail top 1 moves upwards to return to the starting position, the rotary driving assembly stops rotating, the material returning disc 6 is enabled to be pressed against the bottom of the machined positive rotating support through the material returning disc 6 moving upwards, and then the positive rotating support is ejected out of the core rod 3, so that discharging is completed.
8) And (5) repeating the steps 1-7 to process and manufacture the next material cake 8 to form the rotor bracket.
In step 2-3, when the closing-end spinning roller 4 is pressed against the upper surface of the material cake 8, in order to reduce the frictional resistance between the closing-end spinning roller 4 and the material cake 8, lubricating oil can be synchronously coated on the upper surface of the material cake 8 to reduce the frictional force, so that the material cake 8 is prevented from being worn out, and the yield is ensured.
The above description is only a preferred embodiment of the present invention, and for those skilled in the art, the present invention should not be limited by the description of the present invention, which should be interpreted as a limitation.
Claims (10)
1. The utility model provides a rotor support terminal surface spinning equipment for become material cake (8) spinning rotor support that coaxial was provided with barrel portion and closing up portion, the barrel portion is connected the step of the one end of closing up portion is personally submitted sunken form, its characterized in that, rotor support terminal surface spinning equipment includes:
the material cake forming device comprises a tail top (1) and a mandrel base (2) which are oppositely arranged, wherein a mandrel (3) is assembled on the mandrel base (2), the mandrel (3) comprises a closing section (31) and a cylinder section (32) arranged at the bottom of the closing section (31), the material cake (8) can be assembled on the mandrel (3), and the tail top (1) can be pressed against the material cake (8);
the closing end spinning roller (4) is arranged on one side of the core rod (3) and can be close to the closing end section (31) to spin the material cake (8) to form the step surface and the closing end part;
and the barrel spinning roller assembly (5) is arranged on the peripheral side of the mandrel (3) and can be close to the barrel section (32) so that the spinning is completed on the step surface and the cake (8) processed at the closing-in part forms the barrel part.
2. The spinning device of the end face of the rotor support according to claim 1, wherein the spinning roller (4) is in a truncated cone structure, and the bottom corners of the spinning roller (4) are used for point contact spinning of the material cake (8).
3. The spinning device for the end face of the rotor support according to claim 2, wherein a limit flange (41) is annularly arranged on the side face of the circular truncated cone of the spinning roller (4), the limit flange (41) is located at one end of a bottom foot far away from the spinning roller (4), and when the material cake (8) is spun to form the closing-in part, the limit flange (41) is used for limiting the height of the closing-in part formed on the material cake (8).
4. The rotor support end face spinning device according to claim 3, wherein a bottom corner of the spinning-in roller (4) is spun on an upper surface of the material cake (8), and a distance between a bottom of the limit flange (41) and a bottom foot of the spinning-in roller (4) is larger than a length of the spinning-in section (31).
5. The rotor frame end surface spinning apparatus according to claim 1, further comprising a stripper (6), wherein said stripper (6) is fitted over said mandrel holder (2) and is capable of moving in an axial direction of said mandrel holder (2).
6. The rotor frame end surface spinning apparatus according to claim 1, further comprising a tailstock (7), said tailstock (1) being rotatably provided on said tailstock (7).
7. The rotor support end surface spinning device according to claim 1, wherein the barrel spinning roller assembly (5) comprises a first spinning wheel (51), a second spinning wheel (52) and a third spinning wheel (53) which are arranged on the periphery side of the mandrel (3), and the first spinning wheel (51), the second spinning wheel (52) and the third spinning wheel (53) are respectively used for spinning the material cake (8) so that the barrel part is formed on the material cake (8).
8. The rotor support end face spinning apparatus according to claim 1, wherein said mandrel holder (2) and said mandrel (3) are driven to rotate by a rotary drive assembly.
9. The rotor frame end face spinning apparatus according to any one of claims 1 to 8, wherein the rotor frame end face spinning apparatus further comprises:
the closing end spinning roller (4) is rotatably arranged at the output end of the closing end spinning moving assembly, and the closing end spinning moving assembly is used for driving the closing end spinning roller (4) to horizontally approach or keep away from the core rod (3);
the female end rotating and lifting assembly is arranged at the output end of the female end rotating and lifting assembly and is used for driving the female end rotating roller (4) to do lifting movement.
10. A rotor holder end surface spinning machining method based on the rotor holder end surface spinning apparatus according to any one of claims 1 to 9, characterized by comprising the steps of:
spinning forming of the closing part and the step surface: placing the material cake (8) on the core rod (3), spinning the material cake (8) through the closing end spinning roller (4), so that partial materials on the upper surface of the material cake (8) are deformed by spinning extrusion and are accumulated and attached to the outer peripheral wall of the closing end section (31) to form the step surface and the closing end part on the material cake (8);
spinning and forming the cylinder part: and resetting the closing end spinning roller (4), spinning the material cake (8) through the barrel spinning roller assembly (5), so that the unprocessed part of the material cake (8) which is processed by the step surface and the closing end part is deformed by spinning extrusion and is accumulated and attached to the outer peripheral wall of the barrel body section (32), and the barrel body part is formed on the material cake (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911375400.XA CN110947816A (en) | 2019-12-27 | 2019-12-27 | Rotor support end surface spinning equipment and rotor support end surface spinning processing method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911375400.XA CN110947816A (en) | 2019-12-27 | 2019-12-27 | Rotor support end surface spinning equipment and rotor support end surface spinning processing method |
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| CN110947816A true CN110947816A (en) | 2020-04-03 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114289589A (en) * | 2021-12-31 | 2022-04-08 | 浙江金固股份有限公司 | Method for machining work with reduced weight and spinning device |
| CN117161700A (en) * | 2023-09-13 | 2023-12-05 | 东风襄阳旋压技术有限公司 | Hollow motor shaft excircle shoulder forming process and device and hollow motor shaft spinning forming process |
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2019
- 2019-12-27 CN CN201911375400.XA patent/CN110947816A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114289589A (en) * | 2021-12-31 | 2022-04-08 | 浙江金固股份有限公司 | Method for machining work with reduced weight and spinning device |
| CN114289589B (en) * | 2021-12-31 | 2024-04-12 | 浙江金固股份有限公司 | Light weight processing method and spinning device for workpiece |
| CN117161700A (en) * | 2023-09-13 | 2023-12-05 | 东风襄阳旋压技术有限公司 | Hollow motor shaft excircle shoulder forming process and device and hollow motor shaft spinning forming process |
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