CN215032424U - Gradual expansion die structure for continuous extrusion forming of copper and copper alloy plate strip - Google Patents
Gradual expansion die structure for continuous extrusion forming of copper and copper alloy plate strip Download PDFInfo
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- CN215032424U CN215032424U CN202120876862.6U CN202120876862U CN215032424U CN 215032424 U CN215032424 U CN 215032424U CN 202120876862 U CN202120876862 U CN 202120876862U CN 215032424 U CN215032424 U CN 215032424U
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Abstract
The utility model discloses copper and copper alloy plate strip continuous extrusion's gradual change expandes mould structure relates to non ferrous metal continuous extrusion technical field, especially relates to a gradual change expandes mould that is used for copper and copper alloy material continuous extrusion to take shape. The utility model discloses a: connecting the module and the forming die; the front end of the connecting module is connected with the extrusion device, and the rear end of the connecting module is connected with the forming die; the connecting module is of a plate-shaped structure with a certain thickness; the connecting surface of the connecting module and the extruding device is provided with an installation surface shape matched with the shape of the extruding device; a right-angle deformation area is arranged at the position of the connecting module opposite to the extrusion port of the extrusion device, and a connecting cavity opposite to the cavity of the forming die is processed at the rear part of the right-angle deformation area; the back of the connecting module is provided with a connecting groove for connecting and positioning the forming die; a gradually-changed expansion cavity channel from a U-shaped structure at an inlet end to a linear structure at an outlet is processed in the forming die; the tail end of the cavity channel is provided with a sizing belt with the length of 4-10 mm.
Description
Technical Field
The utility model discloses copper and copper alloy plate strip continuous extrusion's gradual change expandes mould structure relates to non ferrous metal continuous extrusion technical field, especially relates to a gradual change expandes mould that is used for copper and copper alloy material continuous extrusion to take shape.
Background
With the development of continuous extrusion technology, copper and copper alloy products are gradually expanded from wire rods to plate and strip materials, and the plate and strip materials formed by blanks are directly adopted on a continuous extruder, so that the product has the defects of excellent middle performance and poor quality at two sides; by changing the design of a die, a blank is formed into a U shape, and a cold flattening process is performed at the later stage, so that the obtained product has uniform tissue distribution and good performance, but in the flattening process of the U-shaped product, due to the limitation of the flattening process, such as mismatching of process parameters such as the shape of a pressure head, the pressing amount, the feeding rate of the pressure head, the extrusion rate of the product and the like, large residual stress exists in the forming process of a plate and strip material, and the defects of deformation, cracks and the like occur.
In view of the problems in the prior art, it is necessary to develop and design a novel gradually-expanding die structure for continuous extrusion molding of copper and copper alloy plates and strips, so as to overcome the problems in the prior art.
Disclosure of Invention
According to the technical problems of large residual stress, deformation, cracks and other defects existing in the forming process of the plate and strip processed by the existing flattening process provided by the prior art, the gradual expansion die structure for continuously extruding and forming the copper and copper alloy plate and strip is provided. The utility model discloses mainly utilize the continuous module that has continuous expansion chamber, expand non ferrous metal for a style of calligraphy strip by the gradual change of U section bar to obtain the little, the nothing deformation of residual stress, the plate strip of crackle-free.
The utility model discloses a technical means as follows:
a gradual expansion die structure for continuous extrusion forming of copper and copper alloy plate strips comprises: connecting the module and the forming die; the front end of the connecting module is connected with the extrusion device, and the rear end of the connecting module is connected with the forming die;
furthermore, the connecting module is of a plate-shaped structure with a certain thickness; the connecting surface of the connecting module and the extruding device is provided with an installation surface shape matched with the shape of the extruding device; a right-angle deformation area is arranged at the position of the connecting module opposite to the extrusion port of the extrusion device, and a connecting cavity opposite to the cavity of the forming die is processed at the rear part of the right-angle deformation area; the back of the connecting module is provided with a connecting groove for connecting and positioning the forming die;
furthermore, a gradually-changed expansion cavity channel with a linear structure from a U-shaped structure at an inlet end to an outlet is processed in the forming die;
furthermore, a calibration belt with the length of 4-10mm is arranged at the tail end of the cavity channel.
Furthermore, the forming die is formed by splicing N modules with certain thickness through bolts, and the inner wall of a cavity channel in the spliced forming die is a gradually-expanding curved surface with continuity.
Furthermore, the connection mode is that the front side of the first module is connected with the back side of the connection module, and the back side of the first module is connected with the front side of the second module; the back surface of the second module is connected with the front surface of the third module; the back of the N-block module is connected with the front of the N-block module, and then the back of the N-block module is connected with the front of the N-block module through bolts to form a complete forming die.
Furthermore, the cavity channel in the forming die is designed by software, the forming die is divided into N modules according to the requirements of processing equipment, and then the cavity channel of each module is processed by the processing equipment.
Further, the sum of the difference in the taper angles of the cavity passages in the respective blocks of the forming die is 180 °.
Further, the bearing belt is arranged on the Nth module and located at the outlet of the cavity channel.
Further, bolt holes for connection are machined in the modules.
Further, bolt holes corresponding to the bolt holes in the modules are machined in the connecting modules, and the connecting modules and the N modules are assembled together through bolts.
Compared with the prior art, the utility model has the advantages of it is following:
1. the gradually-changing unfolding die structure for the continuous extrusion forming of the copper and copper alloy plate strip provided by the utility model can directly form the round bar blank into the plate strip, and the tissue distribution is uniform;
2. the gradual-change expansion die structure for the continuous extrusion forming of the copper and copper alloy plate strip reduces the residual stress of the product and the incidence rate of defects in the forming process;
3. the utility model provides a gradual change that copper and copper alloy plate strip continuous extrusion takes shape expandes mould structure, improves continuous extrusion machine's utilization ratio, reduces the energy loss.
To sum up, use the technical scheme of the utility model the current flat board strip of processing of exhibition among the prior art has been solved, the residual stress that exists is great in the forming process, there is the problem of defects such as deformation and crackle.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the description of the embodiments or the prior art are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive labor.
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a front view of the connection module of the present invention;
FIG. 3 is a view A-A of FIG. 2;
FIG. 4 is a front view of a first module of the present invention;
FIG. 5 is a view B-B of FIG. 4;
fig. 6 is a front view of a second module of the present invention;
FIG. 7 is a view C-C of FIG. 6;
FIG. 8 is a front view of a third module of the present invention;
FIG. 9 is a D-D view of FIG. 8;
fig. 10 is a front view of a fourth module of the present invention;
FIG. 11 is a view E-E of FIG. 10;
fig. 12 is a front view of a fifth module of the present invention;
FIG. 13 is a view F-F of FIG. 12;
fig. 14 is a front view of a sixth module of the present invention;
FIG. 15 is a view G-G of FIG. 14;
fig. 16 is a schematic view of the structure of the utility model in use.
In the figure: 1. the device comprises a connecting module 11, a right-angle deformation zone 12, a connecting cavity 13, an engagement groove 2, a module 21, a cavity channel 22, a bearing belt 3, a round bar blank 4, an extrusion device 41, a compaction wheel 42, an extrusion wheel 43, a guide plate 5 and a product.
Detailed Description
It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict. The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
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 invention. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, elements, components, and/or combinations thereof, unless the context clearly indicates otherwise.
Unless specifically stated otherwise, the relative arrangement of the components and steps, the numerical expressions, and numerical values set forth in these embodiments do not limit the scope of the present invention. Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description. Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.
In the description of the present invention, it should be understood that the orientation or positional relationship indicated by the orientation words such as "front, back, up, down, left, right", "horizontal, vertical, horizontal" and "top, bottom", etc. are usually based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and in the case of not making a contrary explanation, these orientation words do not indicate and imply that the device or element in question must have a specific orientation or be constructed and operated in a specific orientation, and therefore should not be construed as limiting the scope of the present invention: the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.
Spatially relative terms such as "above … …", "above … …", "above … …", "above", and the like may be used herein for ease of description to describe the spatial relationship of one component or feature to another component or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the component in use or operation in addition to the orientation depicted in the figures. For example, if an element in the drawings is turned over, elements described as "above" or "above" other elements or configurations will be oriented "below" or "beneath" the other elements or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The components may be oriented in other different ways (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.
It should be noted that the terms "first", "second", and the like are used to define the components, and are only used for convenience of distinguishing the corresponding components, and if not stated otherwise, the terms have no special meaning, and therefore, the scope of the present invention should not be construed as being limited.
As shown in the figure, the utility model provides a gradual change expansion die structure that copper and copper alloy plate strip continuous extrusion takes shape includes: connecting the module 1 and the forming die; the front end of the connecting module is connected with the extrusion device 4, and the rear end is connected with the forming die; the connecting module 1 is a plate-shaped structure with a certain thickness; the connecting surface of the connecting module 1 and the extruding device 4 is provided with a mounting surface shape matched with the shape of the extruding device 4; a right-angle deformation area 11 is arranged at the position, opposite to the extrusion port of the extrusion device 4, of the connecting module 1, and a connecting cavity 12 opposite to the cavity of the forming die is processed at the rear part of the right-angle deformation area 11; the back of the connecting module 1 is provided with a connecting groove 13 for connecting and positioning a forming die; a gradually-changed unfolding cavity channel 21 with a linear structure from a U-shaped structure at an inlet end to an outlet is processed in the forming die; the tail end of the cavity channel 21 is provided with a calibration band 22 with the length of 4-10 mm.
The forming die is formed by splicing N modules 2 with certain thickness through bolts, and the inner wall of a cavity channel in the spliced forming die is a gradually-expanding curved surface with continuity.
The cavity channel 21 in the forming die is designed by software, the forming die is divided into N modules 2 according to the requirements of processing equipment, and the cavity channel 21 of each module 2 is processed by the processing equipment.
The sum of the difference in the taper angles of the cavity channels 21 in the respective modules 2 of the forming die is 180 °.
The bearing belt 22 is arranged on the Nth module 2 and is positioned at the outlet of the cavity channel 21.
Bolt holes for connection are machined in the modules 2.
Bolt holes corresponding to the bolt holes in the modules 2 are machined in the connecting module 1, and the connecting module 1 and the N modules 2 are assembled together through bolts.
Example 1
As shown in the figure, the utility model provides a gradual change of copper and copper alloy plate strip continuous extrusion shaping expandes mould structure, include: a compacting wheel 41, an extrusion wheel 42, a guide plate 43, a connecting module 1 and a forming die; the compaction wheel 41 is arranged in a wheel groove at the top of the extrusion wheel 42 and above the bottom of the wheel groove; the connecting module 1 is arranged on the side surface of the extrusion wheel 42, and a material extrusion inlet is formed by a material outlet of the extrusion wheel 42 and the right-angle deformation area 11 of the connecting module 1; the forming die is arranged at the rear part of the connecting module 1; the guide plate 43 is arranged on the connecting module 1, the guide plate 43 is arranged along the edge of the wheel groove of the extrusion wheel 42, and the raw material is extruded and sent into the connecting module 1 and the forming die from the material extrusion inlet to be gradually expanded and formed;
the forming die consists of 6 modules 2, each module 2 has a certain expansion angle, the expansion angle of the first module 2 is 20 degrees, the expansion angle of the second to fifth modules 2 is 30 degrees, and the expansion angle of the sixth module 2 is 40 degrees.
The connecting module 1 is connected with the front surface of the first module 2, the back surface of the first module 2 is connected with the front surface of the second module 2, the back surface of the second module 2 is connected with the front surface of the third module 2. the back surface of the fifth module 2 is connected with the front surface of the sixth module 2, and then the connecting module 1 is connected with the six modules through bolts; the inner walls of the cavity channels 21 of the connecting module 1 and the six modules 2 form a continuous gradually-expanding curved surface.
A bearing 22 with the length of 8mm is arranged at the outlet of the cavity channel 21 of the sixth module 2.
Example 2
On the basis of embodiment 1, the utility model also provides a gradual change of copper and copper alloy plate strip continuous extrusion shaping expandes mould structure, include: a compacting wheel 41, an extrusion wheel 42, a guide plate 43, a connecting module 1 and a forming die; the compaction wheel 41 is arranged in a wheel groove at the top of the extrusion wheel 42 and above the bottom of the wheel groove; the connecting module 1 is arranged on the side surface of the extrusion wheel 42, and a material extrusion inlet is formed by a material outlet of the extrusion wheel 42 and the right-angle deformation area 11 of the connecting module 1; the forming die is arranged at the rear part of the connecting module 1; the guide plate 43 is arranged on the connecting module 1, the guide plate 43 is arranged along the edge of the wheel groove of the extrusion wheel 42, and the raw material is extruded and sent into the connecting module 1 and the forming die from the material extrusion inlet to be gradually expanded and formed;
the forming die consists of 10 modules 2, each module 2 has a certain expansion angle, the expansion angle of the first to ninth modules 2 is 15 degrees, and the expansion angle of the tenth module 2 is 45 degrees.
The connecting module 1 is connected with the front surface of the first module 2, the back surface of the first module 2 is connected with the front surface of the second module 2, the back surface of the second module 2 is connected with the front surface of the third module 2. the back surface of the ninth module 2 is connected with the front surface of the tenth module 2, and then the connecting module 1 is connected with the ten modules through bolts; the inner walls of the cavity channels 21 of the connecting module 1 and the ten modules 2 form a continuous gradually-expanding curved surface.
A bearing 22 with a length of 4mm is arranged at the outlet of the cavity channel 21 of the tenth module 2.
Example 3
On the basis of embodiment 1, the utility model also provides a gradual change of copper and copper alloy plate strip continuous extrusion shaping expandes mould structure, include: a compacting wheel 41, an extrusion wheel 42, a guide plate 43, a connecting module 1 and a forming die; the compaction wheel 41 is arranged in a wheel groove at the top of the extrusion wheel 42 and above the bottom of the wheel groove; the connecting module 1 is arranged on the side surface of the extrusion wheel 42, and a material extrusion inlet is formed by a material outlet of the extrusion wheel 42 and the right-angle deformation area 11 of the connecting module 1; the forming die is arranged at the rear part of the connecting module 1; the guide plate 43 is arranged on the connecting module 1, the guide plate 43 is arranged along the edge of the wheel groove of the extrusion wheel 42, and the raw material is extruded and sent into the connecting module 1 and the forming die from the material extrusion inlet to be gradually expanded and formed;
the forming die consists of 3 modules 2, each module 2 has a certain expansion angle, and the expansion angles of the three modules 2 are all 60 degrees.
The connecting module 1 is connected with the front surface of the first module 2, the back surface of the first module 2 is connected with the front surface of the second module 2, the back surface of the second module 2 is connected with the front surface of the third module 2, and the connecting module 1 is connected with the three modules through bolts; the inner walls of the cavity channels 21 of the connecting module 1 and the three modules 2 form a continuous gradually-expanding curved surface.
A calibration band 22 of 10mm length is provided at the outlet of the cavity channel 21 of the third module 2.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.
Claims (7)
1. The gradual expansion die structure for the continuous extrusion forming of the copper and copper alloy plate strip is characterized by comprising the following components in parts by weight: connecting the module (1) and a forming die; the front end of the connecting module is connected with the extrusion device (4), and the rear end of the connecting module is connected with the forming die;
the connecting module (1) is of a plate-shaped structure with a certain thickness; the connecting surface of the connecting module (1) and the extruding device (4) is provided with an installation surface shape matched with the shape of the extruding device (4); a right-angle deformation area (11) is arranged at the position, opposite to the extrusion port of the extrusion device (4), of the connecting module (1), and a connecting cavity (12) opposite to the cavity of the forming die is processed at the rear part of the right-angle deformation area (11); the back of the connecting module (1) is provided with a connecting groove (13) for connecting and positioning a forming die;
a gradually-changed expansion cavity channel (21) with a linear structure from a U-shaped structure at an inlet end to an outlet is processed in the forming die;
the tail end of the cavity channel (21) is provided with a calibration belt (22) with the length of 4-10 mm.
2. The gradually expanding die structure for the continuous extrusion forming of the copper and copper alloy plate strip as claimed in claim 1, wherein the forming die is formed by splicing N modules (2) with certain thickness through bolts, and the inner wall of the cavity channel in the spliced forming die is a gradually expanding curved surface with continuity.
3. The structure of the gradually expanding die for the continuous extrusion forming of the copper and copper alloy plate strip as claimed in claim 1, wherein the cavity channel (21) in the forming die is designed by software, the forming die is divided into N blocks (2) according to the requirement of processing equipment, and then the cavity channel (21) of each block (2) is processed by the processing equipment.
4. The gradually expanding die structure for the continuous extrusion forming of the copper and copper alloy plate strip as claimed in claim 1, wherein the sum of the gradually expanding angle differences of the cavity channels (21) in each module (2) of the forming die is 180 degrees.
5. The structure of a gradually expanding die for the continuous extrusion of copper and copper alloy sheet strips as claimed in claim 1, wherein the bearing belt (22) is arranged on the Nth module (2) at the outlet of the cavity channel (21).
6. The structure of a gradually expanding die for continuous extrusion of copper and copper alloy sheet and strip according to claim 4, characterized in that the die blocks (2) are provided with bolt holes for connection.
7. The structure of the gradually expanding die for the continuous extrusion forming of the copper and copper alloy plate strip according to claim 1, wherein the connecting module (1) is provided with bolt holes corresponding to the bolt holes on the module (2), and the connecting module (1) and the N modules (2) are assembled together through bolts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120876862.6U CN215032424U (en) | 2021-04-26 | 2021-04-26 | Gradual expansion die structure for continuous extrusion forming of copper and copper alloy plate strip |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120876862.6U CN215032424U (en) | 2021-04-26 | 2021-04-26 | Gradual expansion die structure for continuous extrusion forming of copper and copper alloy plate strip |
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| CN215032424U true CN215032424U (en) | 2021-12-07 |
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| CN202120876862.6U Active CN215032424U (en) | 2021-04-26 | 2021-04-26 | Gradual expansion die structure for continuous extrusion forming of copper and copper alloy plate strip |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113134521A (en) * | 2021-04-26 | 2021-07-20 | 大连交通大学 | Gradual expansion die structure for continuous extrusion forming of copper and copper alloy plate strip |
| CN115228959A (en) * | 2022-07-18 | 2022-10-25 | 山东大学 | Integral extrusion forming equipment for large-size component |
-
2021
- 2021-04-26 CN CN202120876862.6U patent/CN215032424U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113134521A (en) * | 2021-04-26 | 2021-07-20 | 大连交通大学 | Gradual expansion die structure for continuous extrusion forming of copper and copper alloy plate strip |
| CN113134521B (en) * | 2021-04-26 | 2024-07-30 | 大连交通大学 | Gradual unfolding die structure for continuous extrusion forming of copper and copper alloy plates and strips |
| CN115228959A (en) * | 2022-07-18 | 2022-10-25 | 山东大学 | Integral extrusion forming equipment for large-size component |
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