CN211464529U - Bidirectional cold extrusion forming die - Google Patents
Bidirectional cold extrusion forming die Download PDFInfo
- Publication number
- CN211464529U CN211464529U CN201922348739.2U CN201922348739U CN211464529U CN 211464529 U CN211464529 U CN 211464529U CN 201922348739 U CN201922348739 U CN 201922348739U CN 211464529 U CN211464529 U CN 211464529U
- Authority
- CN
- China
- Prior art keywords
- plate
- die
- lower die
- guide pillar
- 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.)
- Active
Links
Images
Landscapes
- Mounting, Exchange, And Manufacturing Of Dies (AREA)
Abstract
The utility model discloses a bidirectional cold extrusion forming die, which comprises an upper die part and a lower die part, wherein the lower die part comprises a lower template, a lower die insert, a lower punch, a lower stripping sleeve, a stripping fixing plate, a lower clamping plate, a lower padding plate, a lower die holder and a linear driving assembly; the upper die part comprises an upper die base, an upper base plate, an upper clamping plate, an upper punch, an inner guide pillar and an outer guide pillar. Placing the aluminum material into the cavity and supporting the aluminum material by the lower punch, closing the die, enabling the upper punch to extend into the cavity to be matched with the lower punch to extrude the aluminum material into the notebook computer rotating shaft shell in an extrusion mode, and guiding the aluminum material through the inner guide pillar and the outer guide pillar to achieve accurate positioning; after the mold is opened, the linear driving assembly drives the lower stripper sleeve to strip the notebook computer rotating shaft shell from the lower punch and withdraw from the cavity through the stripper fixing plate, so that the purpose of stripping is realized, and a notebook computer rotating shaft shell product is obtained. In addition, the whole structure is simple, the realization is easy, the working efficiency is high, the product forming quality is high, and the wide popularization and the use are facilitated.
Description
Technical Field
The utility model relates to the technical field of mold, concretely relates to two-way cold extrusion forming die.
Background
The notebook rotating shaft is an important part for connecting the body and the screen of the notebook computer, and is used as a connecting part and also used as a part of the notebook shell. The notebook computer rotating shaft shell not only needs to have the function of a rotating shaft, but also has the function of attractive appearance, the existing notebook computer rotating shaft shell comprises a cylindrical shell and a stop block, the stop block is welded in the shell through laser, however, the processing efficiency is low through the laser welding, the stop block is difficult to perform positioning welding, and the cylindrical deformation is easily caused by high temperature generated during welding, so that the appearance of a product is influenced.
SUMMERY OF THE UTILITY MODEL
In view of the above, an object of the utility model is to provide a structural design is ingenious, reasonable, can rapid prototyping go out two-way cold extrusion forming die of notebook pivot shell.
In order to achieve the above purpose, the utility model provides a technical scheme is:
a bidirectional cold extrusion forming die comprises an upper die part and a lower die part, wherein the lower die part comprises a lower template, a lower die insert, a lower punch, a lower stripping sleeve, a stripping fixing plate, a lower clamping plate, a lower base plate, a lower die seat and a linear driving assembly, the stripping fixing plate, the lower clamping plate, the lower base plate and the lower die seat are sequentially overlapped from top to bottom, and an outer guide sleeve is arranged on the lower die seat; the lower die plate is arranged on the lower die base through a cushion block and is positioned right above the stripping fixing plate, the lower die insert is arranged on the lower die plate, a cavity capable of enabling the lower die insert to vertically penetrate through the lower die insert is arranged on the lower die insert, the lower end of the lower punch is arranged on the lower clamp plate, the upper end of the lower punch penetrates through the stripping fixing plate and extends into the cavity, the lower stripping sleeve is sleeved on the lower punch, the lower end of the lower stripping sleeve is fixed on the stripping fixing plate, and the linear driving assembly is arranged on the lower die base and can drive the stripping fixing plate to move upwards and downwards; the upper die part comprises an upper die base, an upper padding plate, an upper clamping plate, an upper punch, an inner guide pillar and an outer guide pillar, the upper die base, the upper padding plate and the upper clamping plate are sequentially overlapped from top to bottom, the position, corresponding to the outer guide sleeve, of the outer guide pillar is arranged on the upper die base, the upper end of the inner guide pillar is arranged on the upper padding plate, the lower end of the inner guide pillar penetrates through the upper clamping plate and extends out, an inner guide hole matched with the inner guide pillar is formed in the lower die plate, and the upper punch is arranged on the upper clamping plate and can extend into the die cavity when moving downwards.
As an improvement of the utility model, the appearance profile of lower mould mold insert is circular, be equipped with on the lower bolster with the assembly chamber of lower mould mold insert looks adaptation, be equipped with two spacing sand grips on the outer peripheral face of lower mould mold insert, and be equipped with the constant head tank with this spacing sand grip looks adaptation on the chamber wall in assembly chamber, do benefit to quick location installation.
As an improvement of the utility model, the length that upper punch stretches out from the punch holder is 30 ~ 40mm, and extension length is shorter, and eccentric phenomenon promotes the work precision when reducing the shaping.
As an improvement of the utility model, the linear drive subassembly includes linear drive device, ejector beam, pull-back pole, extension board and faller, and two inter-plate separates the symmetry and sets up the bottom surface at the die holder, linear drive device sets up on two extension boards, the faller sets up on linear drive device's drive disk assembly, is located between two extension boards, the lower extreme roof pressure of ejector beam is on the faller, and the upper end runs through in proper order die holder, lower bolster and lower plate and roof pressure are in take off on the material fixed plate, the radial increase of lower extreme of pull-back pole forms the pole head, and the upper end runs through in proper order die holder, lower bolster and lower plate are connected take off on the material fixed plate.
As an improvement of the utility model, the linear driving device is a cylinder, an oil cylinder or a linear motor.
As an improvement of the utility model, the upper end of pull-back rod is equipped with the external screw thread, take off be equipped with on the material fixed plate with the screw of this external screw thread looks adaptation, twist the screw through the external screw thread, realize the purpose of installation, simple to operate.
As an improvement of the utility model, be equipped with little guide pillar on the lower bolster, the lower extreme of this little guide pillar stretches out the die holder, and be equipped with the little guide hole with this little guide pillar looks adaptation on the faller, cooperate through little guide pillar and little guide hole, can lead to the faller, promote the stability of lift action.
The utility model has the advantages that: the utility model has the advantages of ingenious and reasonable structural design, the aluminum material is placed into the cavity and is supported by the lower punch, at the moment, the die assembly is carried out, the upper punch stretches into the cavity to be matched with the lower punch to extrude the aluminum material out of the notebook rotating shaft shell, and the accurate positioning is realized by guiding through the inner guide pillar and the outer guide pillar; after the mold is opened, the linear driving assembly drives the lower stripper sleeve to strip the notebook computer rotating shaft shell from the lower punch and withdraw from the cavity through the stripper fixing plate, so that the purpose of stripping is realized, and a notebook computer rotating shaft shell product is obtained; and then, the linear driving assembly drives the stripping sleeve to move downwards to the initial position through the stripping fixing plate to wait for the next forming procedure. In addition, the whole structure is simple, the realization is easy, the working efficiency is high, the product forming quality is high, and the wide popularization and the use are facilitated.
The present invention will be further explained with reference to the drawings and the embodiments.
Drawings
Fig. 1 is a schematic perspective view of the present invention.
Fig. 2 is a schematic sectional structure diagram of the present invention.
Fig. 3 is a schematic structural view of the middle upper die part of the present invention.
Fig. 4 is a schematic structural view of the middle and lower mold portions of the present invention.
Fig. 5 is a schematic structural view of the upper punch, the lower die insert, the lower stripper sleeve and the lower punch of the present invention.
Detailed Description
Referring to fig. 1 to 5, the present embodiment provides a two-way cold extrusion forming die, which includes an upper die portion 1 and a lower die portion 2.
The lower die part 2 comprises a lower die plate 21, a lower die insert 22, a lower punch 23, a lower stripping sleeve 24, a stripping fixing plate 25, a lower clamping plate 26, a lower cushion plate 27, a lower die holder 28 and a linear driving assembly 29, wherein the stripping fixing plate 25, the lower clamping plate 26, the lower cushion plate 27 and the lower die holder 28 are sequentially overlapped from top to bottom, and an outer guide sleeve 281 is arranged on the lower die holder 28; the lower template 21 is arranged on the lower die holder 28 through the cushion block 20 and is positioned right above the stripping fixing plate 25.
The lower die insert 22 is arranged on the lower die plate 21, specifically, the outline of the lower die insert 22 is circular, an assembly cavity matched with the lower die insert 22 is arranged on the lower die plate 21, two limit raised lines 221 are arranged on the peripheral surface of the lower die insert 22, and a positioning groove matched with the limit raised line 221 is arranged on the cavity wall of the assembly cavity, so that quick positioning and installation are facilitated. The lower die insert 22 is provided with a die cavity 222 which can vertically penetrate through the lower die insert, the lower end of the lower punch 23 is arranged on the lower clamping plate 26, the upper end of the lower punch 23 penetrates through the stripping fixing plate 25 and extends into the die cavity 222, the lower stripping sleeve 24 is sleeved on the lower punch 23, the lower end of the lower stripping sleeve 24 is fixed on the stripping fixing plate 25, and the linear driving assembly 29 is arranged on the lower die base 28 and can drive the stripping fixing plate 25 to move upwards and downwards. Specifically, the linear driving assembly 29 includes a linear driving device 291, an ejector rod 292, a pull rod 293, a support plate 294 and a needle plate 295, in this embodiment, the linear driving device 291 is preferably an air cylinder, and in other embodiments, the linear driving device 291 may also be an oil cylinder or a linear motor. The two support plates 294 are symmetrically arranged on the bottom surface of the lower die holder 28 at intervals, the linear driving device 291 is arranged on the two support plates 294, the needle plate 295 is arranged on a driving part of the linear driving device 291 and is positioned between the two support plates 294, the lower end of the ejector rod 292 is pressed against the needle plate 295, the upper end of the ejector rod 293 sequentially penetrates through the lower die holder 28, the lower backing plate 27 and the lower clamping plate 26 and is pressed against the stripping fixing plate 25, the lower end of the pull-back rod 293 is radially enlarged to form a rod head, and the upper end of the pull-back rod 293 sequentially penetrates through the lower die holder 28, the lower backing plate 27 and the lower clamping plate 26 and is connected to the stripping fixing plate 25. Specifically, the upper end of the pull-back rod 293 is provided with an external thread, the screw hole matched with the external thread is formed in the stripping fixing plate 25, and the screw hole is screwed in through the external thread, so that the mounting purpose is achieved, and the mounting is convenient.
The upper die part 1 comprises an upper die holder 11, an upper cushion plate 12, an upper clamp plate 13, an upper punch 14, an inner guide post 15 and an outer guide post 16, wherein the upper die holder 11, the upper cushion plate 12 and the upper clamp plate 13 are sequentially overlapped from top to bottom, the outer guide post 16 is arranged on the upper die holder 11 corresponding to the outer guide sleeve 281, the upper end of the inner guide post 15 is arranged on the upper cushion plate 12, the lower end of the inner guide post penetrates through the upper clamp plate 13 and extends out, an inner guide hole matched with the inner guide post 15 is arranged on the lower die plate 21, and the upper punch 14 is arranged on the upper clamp plate 13 and can extend into the die cavity 222 when moving downwards. The length that upper punch 14 stretches out from upper plate 13 is 30 ~ 40mm, and the length of stretching out is shorter, reduces eccentric phenomenon when the shaping, promotes the work precision.
Preferably, a small guide pillar 271 is arranged on the lower cushion plate 27, the lower end of the small guide pillar 271 extends out of the lower die holder 28, a small guide hole matched with the small guide pillar 271 is arranged on the needle plate 295, and the needle plate 295 can be guided by the small guide pillar 271 and the small guide hole, so that the stability of lifting action is improved, and the phenomenon that a product is not jacked and an air cylinder is blocked is effectively prevented.
When the punching machine works, the upper die part 1 is arranged on a punching slide block of a punching machine tool in advance, and the lower die part 2 is arranged on a working table surface of the punching machine tool. Placing the aluminum material into the die cavity 222, and supporting the aluminum material by the lower punch 23; and starting the punching machine, driving the upper die part 1 to move downwards by the punching slide block to realize die closing action, and extending the upper punch 14 into the die cavity 222 to be matched with the lower punch 23 to extrude and form the aluminum material into the notebook computer rotating shaft shell. The punching slide block drives the upper die part 1 to move upwards to realize the die opening action, the linear driving device 291 extends out to push the stripping fixing plate 25 to move upwards through the ejector rod 292, and the lower stripping sleeve 24 on the stripping fixing plate 25 moves upwards to enable the notebook computer rotating shaft shell to be stripped from the lower punch 23 and to exit the die cavity 222, so that the purpose of stripping is realized, and at the moment, a notebook computer rotating shaft shell product can be taken out; finally, the linear driving device 291 retracts, and the pulling rod 293 pulls the stripping fixing plate 25 to move downwards, so that the lower stripping sleeve 24 moves downwards to the initial position to wait for the next forming process.
Variations and modifications to the above-described embodiments may occur to those skilled in the art, in light of the above teachings and teachings. Therefore, the present invention is not limited to the specific embodiments disclosed and described above, and some modifications and changes to the present invention should fall within the protection scope of the claims of the present invention. Furthermore, although specific terms are employed herein, they are used in a generic and descriptive sense only and not for purposes of limitation. If the utility model discloses above-mentioned embodiment said, adopt rather than the same or similar structure and other moulds that obtain, all be in the utility model discloses protection scope.
Claims (7)
1. A bidirectional cold extrusion forming die comprises an upper die part and a lower die part, and is characterized in that the lower die part comprises a lower template, a lower die insert, a lower punch, a lower stripping sleeve, a stripping fixing plate, a lower clamping plate, a lower cushion plate, a lower die holder and a linear driving assembly, wherein the stripping fixing plate, the lower clamping plate, the lower cushion plate and the lower die holder are sequentially overlapped from top to bottom, and an outer guide sleeve is arranged on the lower die holder; the lower die plate is arranged on the lower die base through a cushion block and is positioned right above the stripping fixing plate, the lower die insert is arranged on the lower die plate, a cavity capable of enabling the lower die insert to vertically penetrate through the lower die insert is arranged on the lower die insert, the lower end of the lower punch is arranged on the lower clamp plate, the upper end of the lower punch penetrates through the stripping fixing plate and extends into the cavity, the lower stripping sleeve is sleeved on the lower punch, the lower end of the lower stripping sleeve is fixed on the stripping fixing plate, and the linear driving assembly is arranged on the lower die base and can drive the stripping fixing plate to move upwards and downwards; the upper die part comprises an upper die base, an upper padding plate, an upper clamping plate, an upper punch, an inner guide pillar and an outer guide pillar, the upper die base, the upper padding plate and the upper clamping plate are sequentially overlapped from top to bottom, the position, corresponding to the outer guide sleeve, of the outer guide pillar is arranged on the upper die base, the upper end of the inner guide pillar is arranged on the upper padding plate, the lower end of the inner guide pillar penetrates through the upper clamping plate and extends out, an inner guide hole matched with the inner guide pillar is formed in the lower die plate, and the upper punch is arranged on the upper clamping plate and can extend into the die cavity when moving downwards.
2. The bi-directional cold extrusion forming die of claim 1, wherein: the lower die insert is circular in shape, an assembly cavity matched with the lower die insert is formed in the lower die plate, two limiting convex strips are arranged on the outer peripheral surface of the lower die insert, and positioning grooves matched with the limiting convex strips are formed in the cavity wall of the assembly cavity.
3. The bi-directional cold extrusion forming die of claim 1, wherein: the length of the upper punch extending out of the upper clamping plate is 30-40 mm.
4. The bi-directional cold extrusion forming die of claim 1, wherein: the linear driving assembly comprises a linear driving device, an ejector rod, a pull-back rod, support plates and a needle plate, the two support plates are symmetrically arranged on the bottom surface of the lower die base at intervals, the linear driving device is arranged on the two support plates, the needle plate is arranged on a driving part of the linear driving device and is positioned between the two support plates, the lower end of the ejector rod is pressed on the needle plate, the upper end of the ejector rod sequentially penetrates through the lower die base, the lower padding plate and the lower clamping plate and is pressed on the stripping fixing plate, the lower end of the pull-back rod is radially enlarged to form a rod head, and the upper end of the pull-back rod sequentially penetrates through the lower die base, the lower padding plate and the lower clamping plate and is connected.
5. The bi-directional cold extrusion forming die of claim 4, wherein: the linear driving device is a cylinder, an oil cylinder or a linear motor.
6. The bi-directional cold extrusion forming die of claim 4, wherein: the upper end of the pull-back rod is provided with an external thread, and the stripping fixing plate is provided with a screw hole matched with the external thread.
7. The bi-directional cold extrusion forming die of claim 4, wherein: the lower backing plate is provided with a small guide pillar, the lower end of the small guide pillar extends out of the lower die seat, and the needle plate is provided with a small guide hole matched with the small guide pillar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922348739.2U CN211464529U (en) | 2019-12-24 | 2019-12-24 | Bidirectional cold extrusion forming die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922348739.2U CN211464529U (en) | 2019-12-24 | 2019-12-24 | Bidirectional cold extrusion forming die |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211464529U true CN211464529U (en) | 2020-09-11 |
Family
ID=72373493
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922348739.2U Active CN211464529U (en) | 2019-12-24 | 2019-12-24 | Bidirectional cold extrusion forming die |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211464529U (en) |
-
2019
- 2019-12-24 CN CN201922348739.2U patent/CN211464529U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN211464529U (en) | Bidirectional cold extrusion forming die | |
| CN210333990U (en) | Conical cover stamping die | |
| CN109676017B (en) | High-precision section bar punching die and punching method | |
| CN218252492U (en) | Flashlight cold extrusion deep drawing forming die and clamp assembly | |
| CN107716620B (en) | General die casting whole pressing jig | |
| CN214920157U (en) | Automobile wheel hub forging device | |
| CN216683064U (en) | Mould device for producing product with insert | |
| CN115740213A (en) | Anti-explosion cover forming die and method based on tear opening forming | |
| CN212888734U (en) | High-efficient female silk production mould convenient to operation | |
| CN111015116A (en) | Bidirectional extrusion process for rotating shaft shell | |
| CN210412358U (en) | Mould divides mode structure | |
| CN210305241U (en) | Double-movable flanging pin device | |
| CN210334006U (en) | Multipurpose screw mould | |
| CN218744425U (en) | Lift material pole balancing unit | |
| CN211613858U (en) | Five-side needle extrusion forming die | |
| CN212121422U (en) | Rim forming die | |
| CN212419350U (en) | Pipe fitting indent point mould | |
| CN210847940U (en) | Lamp panel die of numerical control punching press | |
| CN208373986U (en) | A kind of turret head molding die of super long high strength bolt | |
| CN215151122U (en) | Buffer block forming device | |
| CN217451786U (en) | Refrigerator drawing die with lifting ring | |
| CN221047221U (en) | Special-shaped metal material extrusion die | |
| CN213378804U (en) | Punching and flanging die for upper end socket of compressor | |
| CN210435194U (en) | Two-way convex hull stamping die | |
| CN220444906U (en) | Positioning compression molding die for medical instrument |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |