CN114289589B - Light weight processing method and spinning device for workpiece - Google Patents
Light weight processing method and spinning device for workpiece Download PDFInfo
- Publication number
- CN114289589B CN114289589B CN202111680020.4A CN202111680020A CN114289589B CN 114289589 B CN114289589 B CN 114289589B CN 202111680020 A CN202111680020 A CN 202111680020A CN 114289589 B CN114289589 B CN 114289589B
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- forming operation
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- 238000009987 spinning Methods 0.000 title claims abstract description 141
- 238000003672 processing method Methods 0.000 title claims abstract description 11
- 238000010438 heat treatment Methods 0.000 claims abstract description 52
- 239000000463 material Substances 0.000 claims abstract description 51
- 238000001816 cooling Methods 0.000 claims abstract description 32
- 230000008093 supporting effect Effects 0.000 claims description 79
- 238000003825 pressing Methods 0.000 claims description 21
- 238000000034 method Methods 0.000 claims description 15
- 230000007246 mechanism Effects 0.000 claims description 13
- 238000003754 machining Methods 0.000 claims description 8
- 239000007921 spray Substances 0.000 claims description 4
- 230000009471 action Effects 0.000 claims description 3
- 238000005265 energy consumption Methods 0.000 abstract description 7
- 238000005516 engineering process Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000012545 processing Methods 0.000 description 4
- 238000013461 design Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 229910001563 bainite Inorganic materials 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000014509 gene expression Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 229910000734 martensite Inorganic materials 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 238000003856 thermoforming Methods 0.000 description 1
Classifications
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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
- B21D37/00—Tools as parts of machines covered by this subclass
- B21D37/16—Heating or cooling
-
- 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
- B21D53/26—Making other particular articles wheels or the like
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Shaping Metal By Deep-Drawing, Or The Like (AREA)
Abstract
The invention provides a light-weight processing method and a spinning device for a workpiece, wherein the light-weight processing method for the workpiece comprises the steps of heating a blank to a first preset temperature T1 in a heating furnace, and preserving heat for a first preset time period T1; taking out the heated blank and placing the heated blank at a hot spinning station of a hot spinning machine to carry out spinning forming operation on the blank so as to form the basic shape of a preformed piece; after the spinning forming operation is completed, the blank after the spinning forming operation is conveyed to a cooling area by the material returning device of the hot spinning machine to be cooled to a second preset temperature T2. The invention solves the problems that the wheel in the prior art has larger weight and increases the energy consumption of the vehicle because the thickness of the spoke and the rim are thick.
Description
Technical Field
The invention relates to the technical field of machining and manufacturing of wheels, in particular to a lightweight machining method and spinning device for workpieces.
Background
In the prior art, the wheel comprises a rim and a spoke, however, in the processing of the existing rim and spoke, in order to ensure that the spoke and the rim have enough structural strength, the thickness of the spoke and the rim is generally thicker, so that the weight of the wheel formed after the spoke and the rim are welded is larger, and the energy consumption of the vehicle is increased.
Disclosure of Invention
The invention mainly aims to provide a light-weight processing method and a spinning device for a workpiece, which are used for solving the problems that in the prior art, the wheel is large in weight and the energy consumption of a vehicle is increased due to the fact that the thickness of a spoke and the thickness of a rim are uniform.
In order to achieve the above object, according to one aspect of the present invention, there is provided a lightweight processing method of a workpiece, comprising heating a blank to a first preset temperature T1 in a heating furnace, and maintaining the temperature for a first preset time period T1; taking out the heated blank and placing the heated blank at a hot spinning station of a hot spinning machine to carry out spinning forming operation on the blank so as to form the basic shape of a preformed piece; after the spinning forming operation is completed, the supporting structure of the hot spinning machine conveys the blank subjected to the spinning forming operation to a cooling area to be cooled to a second preset temperature T2.
Further, the first preset temperature T1 satisfies: t1 is more than or equal to 900 ℃ and less than or equal to 930 ℃.
Further, the first preset time period t1 satisfies: t1 is more than or equal to 3min and less than or equal to 10min.
Further, during the spin forming operation, the temperature of the blank in the hot spinning machine is maintained at a third preset temperature T3, wherein T3 is more than or equal to 800 ℃ and less than or equal to 930 ℃.
Further, in the spinning forming operation process, the blank is limited at a hot spinning station by a material pressing end head of the hot spinning machine, and a spinning roller of the hot spinning machine is abutted with the blank and carries out spinning forming operation on the blank.
Further, after the spinning forming operation is completed, the supporting structure pushes the blank subjected to the spinning forming operation into a material receiving channel of the hot spinning machine, and the blank collides with the buffer plate in the material receiving channel, so that the movement speed of the blank is reduced.
Further, the decelerated blank enters a cooling area in the material receiving channel to be cooled for a second preset time period t2 under the action of a conveying belt in the material receiving channel, wherein t2 is more than or equal to 10s and less than or equal to 12s.
Further, the second preset temperature T2 satisfies: t2 is more than or equal to 0 and less than or equal to 230 ℃.
Further, when entering the cooling area and the cooling operation is not started, the temperature of the blank is a fourth preset temperature T4, wherein, the temperature T4 is more than or equal to 750 ℃ and less than or equal to 930 ℃.
Further, before the blank is placed in a heating furnace for heating, the blank is placed at a cold spinning station of a cold spinning machine, and cold spinning forming operation is performed at the cold spinning station to thin the blank.
According to another aspect of the present invention, there is provided a spinning apparatus including a base, a first fixed bracket, a supporting structure, a second fixed bracket, and a spinning roller, wherein the first fixed bracket is provided on the base; the support structure is movably arranged on the side wall surface of the first fixed bracket, and the end surface of one side of the support structure, which is far away from the first fixed bracket, is provided with a support surface for supporting a blank; the second fixed bracket is arranged on the base and is opposite to the first fixed bracket; the rotary wheel is rotatably arranged on the side wall surface of the second fixed support, which faces to one side of the first fixed support, and is positioned above the supporting structure.
Further, the supporting structure comprises a material returning device and a supporting male die, and the material returning device is arranged on the side wall surface of the first fixing bracket in a telescopic manner; the supporting male die is rotatably arranged on the material returning device and is provided with a supporting surface; the ejector has a first working position extending along a side wall surface far away from the first fixed support so that a supporting surface for supporting the male die provides supporting force for the blank, and a first avoiding position retreating towards a direction approaching to the side wall surface of the first fixed support so as to release the supporting effect of the supporting surface for supporting the male die on the blank.
Further, the spinning roller is movably disposed along the axial direction thereof to spin the blank at different positions in the axial direction.
Further, the roller is movably disposed along a radial direction thereof, the roller has a second working position along a radial direction thereof adjacent to and contacting the blank, and the roller has a dodged position along a radial direction thereof away from the blank to release the spinning operation on the blank.
Further, the spinning device further comprises a third fixed support and a pressing mechanism, wherein the third fixed support is arranged on the base, and the second fixed support is positioned between the first fixed support and the third fixed support; the material pressing mechanism is arranged on the side wall surface of the third fixed support, which faces one side of the second fixed support, and is provided with a driving shaft, the position of the second fixed support, which is opposite to the supporting surface on the supporting structure, is provided with a through hole, the driving shaft passes through the through hole, and the end part of the driving shaft is provided with a material pressing end.
Further, the drive shaft is telescopically arranged in an axial direction avoiding the through hole.
Further, the spinning device further comprises a material receiving structure, a buffer plate and a conveying belt, wherein the material receiving structure is arranged on the base, the material receiving structure is provided with a material receiving channel, and a channel port of the material receiving channel is arranged towards the supporting structure; the buffer plate is rotatably arranged in the material receiving channel; at least a portion of the conveyor belt is positioned within the receiving channel and is movably disposed along the direction of extension of the receiving channel.
Further, the spinning device further comprises a cooling pipe, the cooling pipe is arranged on the channel wall of the receiving channel to form a cooling area, and the cooling pipe is communicated with an external cooling source.
Further, the spinning device further comprises a heating pipe, wherein the heating pipe is arranged on the side wall surface of one side of the first fixing support, which faces the second fixing support, and is arranged at intervals with the supporting structure, and a spray head of the heating pipe faces the blank on the supporting surface.
Further, the first fixing support is provided with a containing cavity, the spinning device further comprises a heat supply gas cylinder, the heat supply gas cylinder is arranged in the containing cavity, and the heat supply gas cylinder is communicated with the heating pipe; the heating pipes are a plurality of, and a plurality of heating pipes are arranged around the periphery side interval of bearing structure, and the shower nozzle of each heating pipe all faces the blank.
Further, the spinning device is a cold spinning machine.
Further, the spinning device is a thermal spinning machine.
By applying the technical scheme of the invention, the light-weight processing method of the workpiece is provided, the processing method can be used for processing rims and spokes of wheels, and corresponding dies can be replaced according to different appearance structures of the rims and the spokes.
Specifically, heating a blank to a first preset temperature T1 in a heating furnace, preserving heat for a first preset time period T1, taking out the heated blank, and placing the heated blank at a hot spinning station of a hot spinning machine so as to perform spinning forming operation on the blank to form a basic shape of a preformed piece; after the spinning forming operation is completed, the blank after the spinning forming operation is conveyed to a cooling area by the supporting structure of the hot spinning machine to be cooled to a second preset temperature T2, so that the blank is combined with the hot forming and hot spinning technology, the blank is ensured to have enough structural strength in the processing process, the purpose of thinning and forming can be achieved, the lightweight manufacturing of a pre-machined part is facilitated, the weight of a spoke and a rim of a wheel are ensured to be lighter, and the lightweight design of the wheel formed after the spoke and the rim are ensured to be welded is facilitated, so that the energy consumption of the vehicle is reduced.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention. In the drawings:
FIG. 1 illustrates a flow diagram of a method of lightweight machining of a workpiece according to an alternative embodiment of the invention;
fig. 2 shows a schematic structural view of a thermal spinning machine according to an alternative embodiment of the present invention;
fig. 3 shows a schematic structural view of a cold spinning machine according to an alternative embodiment of the present invention.
Wherein the above figures include the following reference numerals:
1. blank; 10. a base; 20. a first fixing bracket; 30. a support structure; 31. a material returning device; 32. supporting the male die; 40. a second fixing bracket; 50. a spinning wheel; 60. a third fixing bracket; 70. a material pressing mechanism; 71. a drive shaft; 72. pressing the material end; 80. a material receiving structure; 81. a material receiving channel; 90. a buffer plate; 100. a conveyor belt; 200. a cooling tube; 300. heating pipes; 400. and a heat supply air bottle.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. The following description of at least one exemplary embodiment is merely exemplary in nature and is in no way intended to limit the invention, its application, or uses. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The invention provides a lightweight processing method and a spinning device for workpieces, which are used for solving the problems that in the prior art, the wheel weight is large and the energy consumption of a vehicle is increased due to the fact that the thickness of a spoke and the thickness of a rim are uniform.
As shown in fig. 1, the light-weighted processing method of the workpiece comprises heating a blank to a first preset temperature T1 in a heating furnace, and preserving heat for a first preset time period T1; taking out the heated blank and placing the heated blank at a hot spinning station of a hot spinning machine to carry out spinning forming operation on the blank so as to form the basic shape of a preformed piece; after the spinning forming operation is completed, the supporting structure of the hot spinning machine conveys the blank subjected to the spinning forming operation to a cooling area to be cooled to a second preset temperature T2.
The application provides a light-weight machining method for workpieces, which can be used for machining rims and spokes of wheels, and corresponding dies can be replaced according to different appearance structures of the rims and the spokes.
Specifically, heating a blank to a first preset temperature T1 in a heating furnace, preserving heat for a first preset time period T1, taking out the heated blank, and placing the heated blank at a hot spinning station of a hot spinning machine so as to perform spinning forming operation on the blank to form a basic shape of a preformed piece; after the spinning forming operation is completed, the blank after the spinning forming operation is conveyed to a cooling area by the supporting structure of the hot spinning machine to be cooled to a second preset temperature T2, so that the blank is combined with the hot forming and hot spinning technology, the blank is ensured to have enough structural strength in the processing process, the purpose of thinning and forming can be achieved, the lightweight manufacturing of a pre-machined part is facilitated, the weight of a spoke and a rim of a wheel are ensured to be lighter, and the lightweight design of the wheel formed after the spoke and the rim are ensured to be welded is facilitated, so that the energy consumption of the vehicle is reduced.
It should be noted that, in the present application, the structure of the blank material is changed by the thermoforming technology, that is, the bainite is converted into martensite, while the hot spinning technology can change the atomic structure of the blank material, that is, the distance between atoms is effectively shortened.
Optionally, the first preset temperature T1 satisfies: t1 is more than or equal to 900 ℃ and less than or equal to 930 ℃.
Optionally, the first preset time period t1 satisfies: t1 is more than or equal to 3min and less than or equal to 10min.
Optionally, during the spin forming operation, the temperature of the blank in the hot spinning machine is maintained at a third preset temperature T3, wherein T3 is greater than or equal to 800 ℃ and less than or equal to 930 ℃.
Further, in the spinning forming operation process, the blank is limited at a hot spinning station by a material pressing end head of the hot spinning machine, and a spinning roller of the hot spinning machine is abutted with the blank and carries out spinning forming operation on the blank. Therefore, the limiting reliability of the pressing end head to the blank is ensured.
Further, after the spinning forming operation is completed, the supporting structure pushes the blank subjected to the spinning forming operation into a material receiving channel of the hot spinning machine, and the blank collides with the buffer plate in the material receiving channel, so that the movement speed of the blank is reduced. Therefore, the buffer plate plays a role in decelerating the blank, even the blank is stopped, and the blank is conveyed through the belt.
Optionally, the decelerated blank enters a cooling area in the material receiving channel to be cooled for a second preset time period t2 under the action of a conveying belt in the material receiving channel, wherein t2 is more than or equal to 10s and less than or equal to 12s.
Optionally, the second preset temperature T2 satisfies: t2 is more than or equal to 0 and less than or equal to 230 ℃.
Optionally, the temperature of the blank is a fourth preset temperature T4, where 750 ℃ less than or equal to T4 less than or equal to 930 ℃, when entering the cooling zone and the cooling operation is not started.
Of course, the blank is placed at a cold spinning station of a cold spinning machine and cold spinning forming operation is performed at the cold spinning station to thin the blank before the blank is placed in a heating furnace for heating. Thus, the cold spinning operation of the cold spinning machine can enable the blank to be thinned for the first time before entering the heating furnace.
It should be noted that, the present application does not require a large-sized roll-type heating furnace, a general heating furnace, and does not require to always turn on the heating device. The heating device is started only by starting the heat preservation device when needed, so that the energy consumption and the production investment are greatly reduced.
The following is an example of a cold spinning machine:
as shown in fig. 3, the spinning apparatus includes a base 10, a first fixing bracket 20, a supporting structure 30, a second fixing bracket 40, and a spinning wheel 50, wherein the first fixing bracket 20 is disposed on the base 10; the supporting structure 30 is movably arranged on the side wall surface of the first fixed bracket 20, and the end surface of the supporting structure 30 on the side far away from the first fixed bracket 20 is provided with a supporting surface for supporting the blank 1; the second fixing bracket 40 is disposed on the base 10 and opposite to the first fixing bracket 20; the rotary wheel 50 is rotatably disposed on a side wall surface of the second fixing bracket 40 facing the first fixing bracket 20 and above the supporting structure 30. In this way, it is ensured that the roller 50 is able to perform an efficient spinning operation of the blank 1 positioned on the end support surface of the support structure 30.
As shown in fig. 3, the supporting structure 30 includes a stripper 31 and a supporting punch 32, the stripper 31 being telescopically disposed on a side wall surface of the first fixing bracket 20; the supporting punch 32 is rotatably provided on the ejector 31, and the supporting punch 32 has a supporting surface; wherein the ejector 31 has a first working position projecting along a side wall surface remote from the first fixed support 20 so that the supporting surface of the supporting punch 32 provides a supporting force for the blank 1, and a first retracted position retracted in a direction approaching the side wall surface of the first fixed support 20 so as to release the supporting effect of the supporting punch 32 on the blank 1.
Optionally, a roller 50 is movably arranged in its axial direction to spin the blank 1 at different positions in the axial direction.
Optionally, the roller 50 is movably arranged along its radial direction, the roller 50 having a second working position along its radial direction close to the blank 1 and in contact with the blank 1, and the roller 50 having a set-off position along its radial direction away from the blank 1 to release the spinning operation on the blank 1.
It should be noted that, in the present application, the rotation wheel 50 is driven to move by a driving mechanism disposed on the second fixing support 40, the supporting punch 32 is driven to rotate by a driving mechanism disposed on the first fixing support 20, the supporting punch 32 rotates in a process of driving the blank 1 to rotate, a kinematic pair between the blank 1 and the rotation wheel 50 is a high pair, and the blank 1 rotates along with the supporting punch 32 and drives the rotation wheel 50 to rotate.
As shown in fig. 3, the spinning apparatus further includes a third fixing bracket 60 and a pressing mechanism 70, wherein the third fixing bracket 60 is disposed on the base 10, and the second fixing bracket 40 is located between the first fixing bracket 20 and the third fixing bracket 60; the material pressing mechanism 70 is arranged on the side wall surface of the third fixing support 60 facing the second fixing support 40, the material pressing mechanism 70 is provided with a driving shaft 71, a through hole is formed in the position, opposite to the supporting surface on the supporting structure 30, of the second fixing support 40, the driving shaft 71 penetrates through the through hole, and the end portion of the driving shaft 71 is provided with a material pressing end 72. In this way, the arrangement of the pressing mechanism 70 ensures that the pressing end 72 at the end of the driving shaft 71 of the pressing mechanism 70 can effectively limit the blank 1, thereby ensuring that the subsequent spinning operation can be smoothly performed.
Optionally, the drive shaft 71 is telescopically arranged in the axial direction of the relief via. In this way, the driving shaft 71 can drive the pressing end 72 to move away from and approach the end supporting surface of the supporting structure 30, so as to perform the avoidance and limiting functions on the blank 1.
As shown in fig. 3, the spinning device further includes a material receiving structure 80, a buffer plate 90 and a conveyor belt 100, wherein the material receiving structure 80 is disposed on the base 10, the material receiving structure 80 has a material receiving channel 81, and a channel opening of the material receiving channel 81 is disposed toward the supporting structure 30; the buffer plate 90 is rotatably disposed in the receiving passage 81; at least a part of the conveyor belt 100 is located in the receiving channel 81 and is movably disposed along the extending direction of the receiving channel 81. Thus, when the supporting structure 30 drives the blank 1 to move downwards and pushes the blank 1 into the receiving structure 80, the buffer plate 90 in the receiving channel 81 of the receiving structure 80 plays a role in effectively decelerating the blank 1, and the conveyor belt 100 further plays a role in conveying the blank 1.
It should be noted that, in this application, unlike the cold spinning machine, as shown in fig. 2, the hot spinning machine further includes a cooling pipe 200, the cooling pipe 200 is disposed on a channel wall of the material receiving channel 81 to form a cooling region, and the cooling pipe 200 communicates with an external cooling source. In this way, it is ensured that the conveyor belt 100 brings the blank 1 into the cooling zone smoothly, i.e. so that the blank 1 can be cooled directly on the hot spinning machine without an additional cooling system.
As shown in fig. 2, the thermal spinning machine further includes a heating pipe 300, where the heating pipe 300 is disposed on a side wall surface of the first fixing support 20 facing the second fixing support 40 and spaced from the supporting structure 30, and a nozzle of the heating pipe 300 faces the blank 1 on the supporting surface. Thus, during the hot spinning operation, the heating pipe 300 sprays hot gas to the blank 1 to keep the blank 1 warm, thereby ensuring that the blank 1 can reach the third preset temperature T3 required by the hot spinning technology.
As shown in fig. 2, the first fixing bracket 20 has a receiving cavity, and the thermal spinning machine further includes a plurality of heating cylinders 400 and heating pipes 300, wherein the heating cylinders 400 are disposed in the receiving cavity, and the heating cylinders 400 are communicated with the heating pipes 300; the plurality of heating pipes 300 are arranged at intervals around the outer peripheral side of the supporting structure 30, and the spray heads of the heating pipes 300 face the blank 1. In this way, while ensuring the compactness of the overall structure of the thermal spinning machine, it is also ensured that the heating gas cylinder 400 can timely supply the heating gas to the heating pipe 300.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments in accordance with the present application. As used herein, the singular is also intended to include the plural unless the context clearly indicates otherwise, and furthermore, it is to be understood that the terms "comprises" and/or "comprising" when used in this specification are taken to specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.
The relative arrangement of the components and steps, numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present invention unless it is specifically stated otherwise. Meanwhile, it should be understood that the sizes of the respective parts shown in the drawings are not drawn in actual scale for convenience of description. Techniques, methods, and apparatus known to one of ordinary skill in the relevant art may not be discussed in detail, but should be considered part of the specification where appropriate. In all examples shown and discussed herein, any specific values should be construed as merely illustrative, and not a limitation. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further discussion thereof is necessary in subsequent figures.
Spatially relative terms, such as "above … …," "above … …," "upper surface at … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial location relative to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "above" or "over" other devices or structures would then be oriented "below" or "beneath" the other devices or structures. Thus, the exemplary term "above … …" may include both orientations of "above … …" and "below … …". The device may also be positioned in other different ways (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments in accordance with the present application. As used herein, the singular is also intended to include the plural unless the context clearly indicates otherwise, and furthermore, it is to be understood that the terms "comprises" and/or "comprising" when used in this specification are taken to specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.
It should be noted that the terms "first," "second," and the like in the description and claims of the present application and the above figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate such that embodiments of the present application described herein may be implemented in sequences other than those illustrated or described herein.
The above description is only of the preferred embodiments of the present invention and is not intended to limit the present invention, but various modifications and variations can be made to the present invention by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (16)
1. A lightweight processing method for a workpiece is characterized by comprising the following steps:
heating the blank to a first preset temperature T1 in a heating furnace, and preserving heat for a first preset time period T1;
taking out the heated blank and placing the heated blank at a hot spinning station of a hot spinning machine to carry out hot spinning forming operation on the blank so as to form the basic shape of a preformed piece;
after the hot spinning forming operation is completed, the supporting structure (30) of the hot spinning machine conveys the blank after the hot spinning forming operation to a cooling area to be cooled to a second preset temperature T2;
after the hot spinning forming operation is finished, pushing the blank subjected to the hot spinning forming operation into a material receiving channel of the hot spinning machine by the supporting structure (30), and colliding the blank with a buffer plate in the material receiving channel so as to reduce the movement speed of the blank;
the blanks after speed reduction enter a cooling area in the material receiving channel to be cooled for a second preset time period t2 under the action of a conveying belt in the material receiving channel, wherein t2 is more than or equal to 10s and less than or equal to 12s;
when entering the cooling area and the cooling operation is not started, the temperature of the blank is a fourth preset temperature T4, wherein the temperature T4 is more than or equal to 750 ℃ and less than or equal to 930 ℃;
before the blank is placed in the heating furnace for heating, the blank is placed at a cold spinning station of a cold spinning machine, and cold spinning forming operation is carried out at the cold spinning station so as to thin the blank;
wherein the support structure (30) comprises:
a stripper (31), wherein the stripper (31) is telescopically arranged on the side wall surface of the first fixed bracket (20);
a supporting punch (32), wherein the supporting punch (32) is rotatably arranged on the ejector (31), and the supporting punch (32) is provided with a supporting surface;
wherein the ejector (31) has a first working position projecting along a side wall surface remote from the first fixing bracket (20) so that the supporting surface of the supporting punch (32) provides a supporting force for the blank (1), and the ejector (31) has a first escape position retreating in a direction approaching the side wall surface of the first fixing bracket (20) so as to release the supporting effect of the supporting punch (32) on the blank (1).
2. The method for lightweight machining of workpieces according to claim 1, wherein the first preset temperature T1 satisfies: t1 is more than or equal to 900 ℃ and less than or equal to 930 ℃.
3. The method for lightweight machining of workpieces according to claim 1, wherein the first preset time period t1 satisfies: t1 is more than or equal to 3min and less than or equal to 10min.
4. The method of claim 1, wherein the temperature of the blank in the hot spinning machine is maintained at a third predetermined temperature T3 during the hot spinning forming operation, wherein 800 ℃ T3 is equal to or greater than 930 ℃.
5. The method according to claim 1, wherein during the hot spinning forming operation, a pressing end of the hot spinning machine positions the blank at the hot spinning station, and a roller of the hot spinning machine abuts against the blank and performs the hot spinning forming operation on the blank.
6. The method for lightweight machining of workpieces according to claim 1, wherein the second preset temperature T2 satisfies: t2 is more than or equal to 0 and less than or equal to 230 ℃.
7. A spinning apparatus, comprising:
a base (10);
a first fixed bracket (20), the first fixed bracket (20) being arranged on the base (10);
the support structure (30) is movably arranged on the side wall surface of the first fixed support (20), and the end surface of the support structure (30) at one side far away from the first fixed support (20) is provided with a support surface for supporting the blank (1);
a second fixing bracket (40), wherein the second fixing bracket (40) is arranged on the base (10) and is opposite to the first fixing bracket (20);
the rotary wheel (50) is rotatably arranged on the side wall surface of the second fixed bracket (40) facing the first fixed bracket (20) and is positioned above the supporting structure (30);
the material receiving structure (80), the material receiving structure (80) is arranged on the base (10), the material receiving structure (80) is provided with a material receiving channel (81), and a channel opening of the material receiving channel (81) is arranged towards the supporting structure (30);
a buffer plate (90), wherein the buffer plate (90) is rotatably arranged in the receiving channel (81);
a conveyor belt (100), at least a part of the conveyor belt (100) being located within the receiving channel (81) and being movably arranged along the extension direction of the receiving channel (81);
the support structure (30) comprises:
a stripper (31), wherein the stripper (31) is telescopically arranged on the side wall surface of the first fixed bracket (20);
-a supporting punch (32), the supporting punch (32) being rotatably arranged on the ejector (31), and the supporting punch (32) having the supporting surface;
wherein the ejector (31) has a first working position projecting along a side wall surface remote from the first fixing bracket (20) so that the supporting surface of the supporting punch (32) provides a supporting force for the blank (1), and the ejector (31) has a first escape position retreating in a direction approaching the side wall surface of the first fixing bracket (20) so as to release the supporting effect of the supporting punch (32) on the blank (1).
8. The spinning apparatus according to claim 7, wherein the spinning roller (50) is movably provided along an axial direction thereof to spin the blank (1) at different positions in the axial direction.
9. The spinning apparatus according to claim 7, wherein the spinning roller (50) is movably provided in a radial direction thereof, the spinning roller (50) has a second working position in which it is radially adjacent to the blank (1) and is in contact with the blank (1), and the spinning roller (50) has a dodged position in which it is radially distant from the blank (1) to release the spinning operation on the blank (1).
10. The spinning apparatus according to claim 7, further comprising:
a third fixed bracket (60), the third fixed bracket (60) being disposed on the base (10), the second fixed bracket (40) being located between the first fixed bracket (20) and the third fixed bracket (60);
the material pressing mechanism (70), the material pressing mechanism (70) is arranged on the side wall surface of the third fixing support (60) facing one side of the second fixing support (40), the material pressing mechanism (70) is provided with a driving shaft (71), a through hole is formed in the position, opposite to the supporting surface, of the second fixing support (40) on the supporting structure (30), the driving shaft (71) penetrates through the through hole, and the end portion of the driving shaft (71) is provided with a material pressing end (72).
11. The spinning apparatus according to claim 10, wherein the drive shaft (71) is telescopically arranged in an axial direction of the relief passage hole.
12. The spinning apparatus according to claim 7, further comprising:
and the cooling pipe (200) is arranged on the channel wall of the receiving channel (81) to form a cooling area, and the cooling pipe (200) is communicated with an external cooling source.
13. The spinning apparatus according to claim 7, further comprising:
the heating pipe (300), heating pipe (300) set up first fixed bolster (20) towards on the lateral wall face of second fixed bolster (40) one side, and with bearing structure (30) interval setting, the shower nozzle of heating pipe (300) is towards blank (1) on the holding surface.
14. The spinning apparatus according to claim 13, wherein said first stationary support (20) has a receiving chamber, said spinning apparatus further comprising:
a heat supply gas cylinder (400), wherein the heat supply gas cylinder (400) is arranged in the accommodating cavity, and the heat supply gas cylinder (400) is communicated with the heating pipe (300);
the heating pipes (300) are multiple, the heating pipes (300) are arranged at intervals around the outer periphery side of the supporting structure (30), and spray heads of the heating pipes (300) face the blank (1).
15. The spinning apparatus according to any one of claims 7 to 11, wherein the spinning apparatus is a cold spinning machine.
16. The spinning apparatus according to any one of claims 7 to 14, wherein the spinning apparatus is a thermal spinning machine.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111680020.4A CN114289589B (en) | 2021-12-31 | 2021-12-31 | Light weight processing method and spinning device for workpiece |
| PCT/CN2022/143050 WO2023125734A1 (en) | 2021-12-31 | 2022-12-28 | Lightweight machining method for workpiece, and spinning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111680020.4A CN114289589B (en) | 2021-12-31 | 2021-12-31 | Light weight processing method and spinning device for workpiece |
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| CN114289589A CN114289589A (en) | 2022-04-08 |
| CN114289589B true CN114289589B (en) | 2024-04-12 |
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| CN202111680020.4A Active CN114289589B (en) | 2021-12-31 | 2021-12-31 | Light weight processing method and spinning device for workpiece |
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| CN (1) | CN114289589B (en) |
| WO (1) | WO2023125734A1 (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| 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 |
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Also Published As
| Publication number | Publication date |
|---|---|
| WO2023125734A1 (en) | 2023-07-06 |
| CN114289589A (en) | 2022-04-08 |
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