CN219664839U - Shell forging and pressing mould and shell - Google Patents
Shell forging and pressing mould and shell Download PDFInfo
- Publication number
- CN219664839U CN219664839U CN202321275609.0U CN202321275609U CN219664839U CN 219664839 U CN219664839 U CN 219664839U CN 202321275609 U CN202321275609 U CN 202321275609U CN 219664839 U CN219664839 U CN 219664839U
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- CN
- China
- Prior art keywords
- die
- pressing
- convex surface
- punch
- die punch
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 238000003825 pressing Methods 0.000 title claims abstract description 53
- 238000005242 forging Methods 0.000 title claims abstract description 20
- 229910052751 metal Inorganic materials 0.000 claims abstract description 30
- 239000002184 metal Substances 0.000 claims abstract description 30
- 239000000758 substrate Substances 0.000 claims description 8
- 230000001050 lubricating effect Effects 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 239000000463 material Substances 0.000 abstract description 18
- 239000013078 crystal Substances 0.000 abstract description 4
- 230000017525 heat dissipation Effects 0.000 abstract description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 230000000694 effects Effects 0.000 abstract description 3
- 229910000838 Al alloy Inorganic materials 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 238000005461 lubrication Methods 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Landscapes
- Forging (AREA)
Abstract
The utility model discloses a shell forging die and a shell, comprising an upper die holder, a lower die holder and a metal plate which are matched for use; an upper die punch is arranged on the lower end face of the upper die base, an upper pressing convex surface is arranged on the lower end face of the upper die punch, and the area of the upper pressing convex surface is smaller than the bottom area of the upper die punch; the die comprises a die holder, and is characterized in that a pressing position which is matched with the upper die punch is arranged on the die holder, the pressing position is matched with the shape and the size of the metal plate, a lower die punch is arranged in the pressing position, a lower pressing convex surface is arranged on the lower die punch, the area of the lower pressing convex surface is smaller than the bottom area of the lower die punch, the lower pressing convex surface corresponds to the upper pressing convex surface, a forming space is formed by encircling the pressing position, the upper die punch and the lower die punch during die assembly, the metal plate is processed in a forging and pressing mode, so that the density of the metal plate is tighter, the material crystal grain is smaller, the mechanical property is better, the heat dissipation effect is better, and the one-step forming production efficiency is higher.
Description
Technical Field
The utility model belongs to the technical field of processing dies, and particularly relates to a shell forging die and a shell.
Background
The metal shell is widely used in the 3C electronic product industry, has the advantages of good texture, quick heat dissipation and the like, is formed in a mode of extruding and bending a relatively thinner metal shell such as a mobile phone metal shell by a die, can only be bent and extended to one side in general, can not form transversely extending flanging on the upper end face and the lower end face of a substrate, is made of thicker metal plates if flanging is required to be formed on two sides of the substrate, then is processed on two sides of the metal plates through CNC, hollows the two sides of the metal plates respectively, and the substrate in the middle is thinned and positioned on the periphery of the substrate to form flanging.
Disclosure of Invention
The utility model aims to provide a shell forging die and a shell, which are used for solving the problems in the prior art.
In order to achieve the above purpose, the present utility model provides the following technical solutions:
a shell forging die comprises an upper die holder, a lower die holder and a metal plate which are matched for use;
an upper die punch is arranged on the lower end face of the upper die base, an upper pressing convex surface is arranged on the lower end face of the upper die punch, and the area of the upper pressing convex surface is smaller than the bottom area of the upper die punch;
the die comprises a die body, a lower die base, an upper die punch, a lower die base, a metal plate, a lower die punch, a lower pressing convex surface, a forming space, a forming device and a pressing device.
According to a further technical scheme, a lubricating layer is smeared on the surface of the metal plate.
According to a further technical scheme, a movable block is arranged in the lower die punch, the upper end face of the movable block is flush with the lower pressing convex face, the lower end of the movable block abuts against the lower die holder, a plurality of ejector rods are movably arranged in the lower die holder in a penetrating mode, and the ejector rods abut against the lower end of the movable block.
Further technical scheme, fixedly connected with installation piece through a plurality of bolts on the die holder, be formed with the cavity that is used for holding the lower mould drift on the installation piece, the installation piece bottom is equipped with the indent with cavity intercommunication, lower mould drift bottom is equipped with the flange of lateral extension along the circumference, the flange is arranged in the indent.
A shell comprises the shell forging die, wherein the width of a substrate is 174mm-190mm, the length of the substrate is 243mm-259mm, the height of a flanging is 11mm-27mm, the thickness of the flanging in the length direction is 1.4mm-8.4mm, and the thickness of the flanging in the width direction is 1mm-8mm.
The utility model has the beneficial effects that:
the metal plate is processed in a forging and pressing mode, so that the product density is tighter, the material grains are smaller, the mechanical property is better, the heat dissipation effect is better, the one-step molding production efficiency is higher, the material application rate is more economical, the material flowing speed is regulated in forging and pressing, and the lubrication mode of the material is changed, so that the crystal arrangement density of the material is more consistent
Additional features and advantages of the utility model will be set forth in the detailed description which follows.
Drawings
Fig. 1: the mold three-dimensional structure diagram of the utility model.
Fig. 2: the mold of the utility model is a mold opening sectional view.
Fig. 3: the utility model relates to a die closing sectional view.
Fig. 4: the utility model relates to an explosion diagram of a lower die holder.
Fig. 5: the product forming structure diagram of the utility model.
Fig. 6: the product of the utility model is a plan view.
Fig. 7: a side view of the product of the present utility model.
Reference numerals: 11-upper die holder, 12-upper die punch, 13-upper press convex surface, 21-lower die holder, 22-press position, 23-lower die punch, 231-flange, 24-lower press convex surface, 25-movable block, 26-ejector rod, 271-bolt, 272-mounting block, 273-cavity, 274-press groove, 3-metal plate and 4-forming space.
Description of the embodiments
The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model.
Please refer to fig. 1-5;
the utility model provides a forging die for processing a metal plate 3 material, which adopts a forging and pressing processing mode to form a shell, so that the production efficiency is improved; the metal plate 3 processed in the embodiment can be an aluminum alloy plate; an upper die punch 12 is arranged on the lower end face of the upper die base 11, an upper pressing convex surface 13 is arranged on the lower end face of the upper die punch 12, and the area of the upper pressing convex surface 13 is smaller than the bottom area of the upper die punch 12; the lower die holder 21 is provided with a press fit position 22 which is matched with the upper die punch 12, the press fit position 22 is matched with the metal plate 3 in shape and size, a lower die punch 23 is arranged in the press fit position 22, the lower die punch 23 is provided with a lower press fit convex surface 24, the area of the lower press fit convex surface 24 is smaller than the bottom area of the lower die punch 23, and the lower press fit convex surface 24 corresponds to the upper press fit convex surface 13.
When the metal plate 3 is in operation, the upper die holder 11 is placed in the pressing position 22, and then the upper die holder 11 closes and closes towards the lower die holder 21, so that the upper die punch 12 enters the pressing position 22, at the moment, the upper pressing convex surface 13 abuts against the upper end surface of the metal plate 3, the lower pressing convex surface 24 abuts against the lower end surface of the metal plate 3, and as the upper die holder 11 continues to descend, the upper pressing convex surface 13 and the lower pressing convex surface 24 press the metal plate 3, in the embodiment, the upper die holder 11 and the lower die holder 21 press pressures 3500T to 5000T to deform the metal plate 3, preferably, the surface of the metal plate 3 is smeared with a lubricating layer, the joint part of the metal plate 3 material and the upper pressing convex surface 13 and the lower pressing convex surface 24 is gradually thinned, and redundant materials flow towards the periphery; after the upper die holder 11 and the lower die holder 21 are completely clamped, the end face of the upper die punch and the end face of the lower die punch are not bonded, the outer wall of the matched pressing position 22 is surrounded to form a forming space 4, and the forming space 4 is filled with excessive material flowing outwards, so that flanging is formed on both sides of the metal substrate.
The metal plate 3 is processed in a forging and pressing mode, so that the density of a product is tighter, the crystal grains of the material are smaller, the mechanical property is better, the heat dissipation effect is better, the one-step forming production efficiency is higher, the performance grade of the product is used for a 3C product, the application rate of the material is more economical, the flowing speed of the material is regulated during forging and pressing, the lubrication mode of the material is changed, and the crystal arrangement density of the material is more consistent.
More specific processing steps are as follows:
a. saponifying the opened aluminum alloy plate raw material;
b. uniformly oiling two surfaces of the saponified aluminum plate;
c. after oiling, the aluminum alloy plate is put into a press fit position 22 to close a die, the aluminum alloy plate raw material is formed according to the designed shape by pressing the pressure between 3500T and 5000T, the material flows bilaterally, the aluminum alloy plate material is continuously pressed and pushed by pressure to fill the forming space 4, the material reaches the end of full product forming, and the die is separated up and down.
Referring to fig. 6 and 7, the case is formed in which the width of the base plate is 174mm to 190mm, the length thereof is 243mm to 259mm, the height of the burring is 11mm to 27mm, the thickness of the burring in the longitudinal direction is 1.4mm to 8.4mm, and the thickness in the width direction is 1mm to 8mm.
In the embodiment of the utility model, a movable block 25 is arranged in a lower die punch 23, the upper end surface of the movable block 25 is flush with a lower press convex surface 24, the lower end of the movable block 25 is propped against a lower die holder 21, a plurality of ejector rods 26 are movably arranged in the lower die holder 21 in a penetrating way, and a plurality of ejector rods 26 are propped against the lower end of the movable block 25; after the product is formed, the movable block 25 is jacked up through the extension of the plurality of ejector rods 26, so that the end face of the movable block 25 is higher than the lower pressing convex surface 24, the formed product is jacked up at the same time, the demolding is realized, the ejector rods 26 retract, and the end face of the movable block 25 is flush with the lower pressing convex surface 24.
In the embodiment of the utility model, a mounting block 272 is fixedly connected to a lower die holder 21 through a plurality of bolts 271, a cavity 273 for accommodating a lower die punch 23 is formed in the mounting block 272, when the lower die holder 21 is assembled, the lower die punch 23 is firstly put into the lower die holder 21, when the mounting block 272 is embedded into the lower die holder 21, the lower die punch 23 is simultaneously embedded into the cavity 273 of the mounting block 272, so that the lower die punch 23 is reset, a pressing groove 274 communicated with the cavity 273 is formed in the bottom of the mounting block 272, a transversely extending flange 231 is arranged at the bottom of the lower die punch 23 along the circumferential length, and the flange 231 is arranged in the pressing groove 274, and after the mounting block 272 is fixed, the flange 231 is simultaneously pressed to fix the lower die punch 23.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the embodiments of the disclosure may be suitably combined to form other embodiments as will be understood by those skilled in the art.
Claims (5)
1. A casing forging and pressing mould, its characterized in that: comprises an upper die holder (11), a lower die holder (21) and a metal plate (3) which are matched for use;
an upper die punch (12) is arranged on the lower end face of the upper die base (11), an upper pressing convex surface (13) is arranged on the lower end face of the upper die punch (12), and the area of the upper pressing convex surface (13) is smaller than the bottom area of the upper die punch (12);
the die comprises a die base (21), and is characterized in that a pressing position (22) which is matched with an upper die punch (12) is arranged on the die base (21), the pressing position (22) is matched with the shape and the size of a metal plate (3), a lower die punch (23) is arranged in the pressing position (22), a lower pressing convex surface (24) is arranged on the lower die punch (23), the area of the lower pressing convex surface (24) is smaller than the bottom area of the lower die punch (23), the lower pressing convex surface (24) corresponds to the upper pressing convex surface (13), and a forming space (4) is formed by encircling among the pressing position (22), the upper die punch (12) and the lower die punch (23) during die assembly.
2. A housing forging die as set forth in claim 1, wherein: the surface of the metal plate (3) is coated with a lubricating layer.
3. A housing forging die as set forth in claim 2, wherein: the lower die punch (23) is internally provided with a movable block (25), the upper end face of the movable block (25) is flush with a lower pressing convex surface (24), the lower end of the movable block (25) is propped against a lower die holder (21), a plurality of ejector rods (26) are movably arranged in the lower die holder (21) in a penetrating mode, and a plurality of ejector rods (26) are propped against the lower end of the movable block (25).
4. A housing forging die as set forth in claim 3, wherein: the die comprises a die holder (21), and is characterized in that a mounting block (272) is fixedly connected to the die holder (21) through a plurality of bolts (271), a cavity (273) for accommodating a lower die punch (23) is formed in the mounting block (272), a pressing groove (274) communicated with the cavity (273) is formed in the bottom of the mounting block (272), a transversely extending flange (231) is arranged at the bottom of the lower die punch (23) along the circumference, and the flange (231) is arranged in the pressing groove (274).
5. A housing, characterized in that: a casing forging die comprising the casing forging die according to any one of claims 1 to 4, wherein the substrate is 174mm to 190mm in width, 243mm to 259mm in length, the flange height is 11mm to 27mm, the thickness in the flange length direction is 1.4mm to 8.4mm, and the thickness in the width direction is 1mm to 8mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321275609.0U CN219664839U (en) | 2023-05-24 | 2023-05-24 | Shell forging and pressing mould and shell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321275609.0U CN219664839U (en) | 2023-05-24 | 2023-05-24 | Shell forging and pressing mould and shell |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219664839U true CN219664839U (en) | 2023-09-12 |
Family
ID=87894400
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321275609.0U Active CN219664839U (en) | 2023-05-24 | 2023-05-24 | Shell forging and pressing mould and shell |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219664839U (en) |
-
2023
- 2023-05-24 CN CN202321275609.0U patent/CN219664839U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |