CN216656063U - Stretching and bending integrated forming device of heat dissipation shielding case - Google Patents
Stretching and bending integrated forming device of heat dissipation shielding case Download PDFInfo
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- CN216656063U CN216656063U CN202220188907.5U CN202220188907U CN216656063U CN 216656063 U CN216656063 U CN 216656063U CN 202220188907 U CN202220188907 U CN 202220188907U CN 216656063 U CN216656063 U CN 216656063U
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- male die
- locking bar
- die
- heat dissipation
- dissipation shielding
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Abstract
The utility model discloses a stretching and bending integrated forming device of a heat dissipation shielding case, wherein a male die is elastically arranged in a containing cavity of a lower die plate, side bending blocks are respectively arranged at the periphery of the male die, a locking bar is arranged in each side bending block, and a first end of each locking bar extends towards the male die to lock the male die; meanwhile, a lock hole is formed in the lock bar, and a first wedge-shaped surface is arranged on the side wall of the upper part of the lock hole; the upper template is provided with a locking bar driving rod corresponding to the locking bar. Therefore, during stamping, the male die can be locked by the locking strip, so that the female die and the male die are conveniently closed and the boss structure is stretched; in the process of stretching the boss, the locking bar is synchronously driven to be drawn out by the locking bar driving rod, so that after the boss structure is formed, the male die can be pressed into the accommodating cavity of the lower template, and the workpiece is folded by the side bending block. Therefore, the boss of the heat dissipation shielding cover is stretched and the side edge of the heat dissipation shielding cover is bent at one time, and the production efficiency of the heat dissipation shielding cover is greatly improved.
Description
Technical Field
The utility model relates to the technical field of stamping dies, in particular to a stretching and bending integrated forming device of a heat dissipation shielding cover.
Background
In the design of the circuit board, in order to prevent external radiation and interference from radiation, a shielding case is disposed on the circuit substrate to surround components on the PCB. With the increase of components, the shielding cover is not only used for shielding, but also has good heat conduction performance because the shielding cover is usually made of stainless steel and cupronickel, so that some circuit designers can consider using the shielding cover for heat dissipation.
In order to form a good contact between the shielding case and the heating element, an inwardly concave boss is stamped on the shielding case, so that the shielding case can effectively contact with the heating element to lead out heat generated by the heating element.
However, the existing stamping die cannot realize one-time forming of boss stretching and side edge bending, and basically performs the forming twice, so that the production efficiency is difficult to improve.
SUMMERY OF THE UTILITY MODEL
The utility model mainly aims to provide a stretching and bending integrated forming device of a heat dissipation shielding cover, which aims to realize one-step forming of boss stretching and side edge bending and improve the production efficiency of the heat dissipation shielding cover.
In order to achieve the purpose, the stretching and bending integrated forming device of the heat dissipation shielding case comprises an upper die and a lower die, wherein the upper die comprises an upper die plate and a female die arranged on the upper die plate, and the lower die comprises a lower die plate and a male die arranged on the lower die plate; it is characterized in that the preparation method is characterized in that,
the male die is elastically arranged in the containing cavity of the lower die plate, and the periphery of the male die is respectively provided with a side bending block; a locking strip is arranged in each side bending block, and a first end of each locking strip extends towards the male die and locks the male die;
a lock hole is formed in the lock bar, and a first wedge-shaped surface is arranged on the side wall of the upper portion of the lock hole; the upper die plate is provided with a locking bar driving rod corresponding to the locking bar, and the lower end face of the locking bar driving rod is provided with a second wedge-shaped face corresponding to the first wedge-shaped face.
Optionally, a guide pillar is vertically arranged on the lower surface of the male die, a first spring is sleeved on the guide pillar, and the first spring is clamped between the male die and the bottom of the cavity of the lower die plate.
Optionally, a guide hole for a guide post to pass through is concavely formed in the bottom of the cavity of the lower die plate, a step is formed on the guide post, and the first spring is pressed in the guide hole by the step.
Optionally, a horizontally arranged accommodating groove is concavely formed in the peripheral side wall of the lower template, a second spring is arranged in the accommodating groove, and the second end of the locking bar extends towards the peripheral side wall of the lower template and is inserted into the accommodating groove; the cover is equipped with the clamping ring on the locking bar, the second spring quilt the clamping ring is pressed in the storage tank.
According to the stretching and bending integrated forming device of the heat dissipation shielding cover, the male die is elastically arranged in the containing cavity of the lower die plate, the side bending blocks are respectively arranged on the periphery of the male die, the locking strip is arranged in each side bending block, and the first end of each locking strip extends towards the male die to lock the male die; meanwhile, a lock hole is formed in the lock bar, and a first wedge-shaped surface is arranged on the side wall of the upper part of the lock hole; the upper template is provided with a locking bar driving rod corresponding to the locking bar, and the lower end face of the locking bar driving rod is provided with a second wedge-shaped face corresponding to the first wedge-shaped face. Therefore, during stamping, the male die can be locked by the locking strip, so that the female die and the male die are conveniently closed and the boss structure is stretched; in the process of stretching the boss, the locking bar is synchronously driven to be drawn out by the locking bar driving rod, so that after the boss structure is formed, the male die can be pressed into the accommodating cavity of the lower template, and the workpiece is folded by the side bending block. Therefore, the boss stretching and the side bending one-step forming of the heat dissipation shielding cover are realized, and the production efficiency of the heat dissipation shielding cover is greatly improved; and the structure is simple and easy to implement.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
FIG. 1 is a schematic structural diagram of an embodiment of a stretch-bend integrated molding apparatus in a mold-opened state according to the present invention;
FIG. 2 is a schematic structural diagram of an embodiment of the stretch bending integrated-molding apparatus of the present invention in a mold clamping state;
the objects, features and advantages of the present invention will be further explained with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that all the directional indicators (such as up, down, left, right, front, and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the movement situation, etc. in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indicator is changed accordingly.
In addition, the descriptions related to "first", "second", etc. in the present invention are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should be considered to be absent and not within the protection scope of the present invention.
The utility model provides a stretching and bending integrated forming device of a heat dissipation shielding cover.
Referring to fig. 1-2, fig. 1 is a schematic structural view of an embodiment of a stretch-bend integrated molding apparatus according to the present invention in an open state, and fig. 2 is a schematic structural view of an embodiment of a stretch-bend integrated molding apparatus according to the present invention in a closed state.
As shown in fig. 1-2, in the embodiment of the present invention, the stretch bending integral forming apparatus includes an upper die and a lower die, the upper die includes an upper die plate 101 and a female die 102 disposed on the upper die plate 101, the lower die includes a lower die plate 201 and a male die 202 disposed on the lower die plate 201, a lower surface of the female die 102 is provided with a concave portion 102a, an upper surface of the male die 202 is provided with a convex portion 202a, and when the female die 102 and the male die 202 are clamped, a convex structure can be stretched on a workpiece 300.
The male die 202 is elastically arranged in the cavity of the lower die plate 201, specifically, a guide pillar 2021 is vertically arranged on the lower surface of the male die 202, a first spring 2022 is sleeved on the guide pillar 2021, the lower end portion of the guide pillar 2021 is inserted into the bottom of the cavity of the lower die plate 201, and the first spring 2022 is clamped between the male die 202 and the bottom of the cavity to provide an elastic support for the male die 202, so that the male die 202 can retract into the cavity when being extruded by the female die 102, and the male die 202 is driven to automatically reset when the female die 102 resets.
In this embodiment, a guide hole for the guide post 2021 to pass through is further concavely formed at the bottom of the cavity, a step is formed on the guide post 2021, and the first spring 2022 is pressed in the guide hole by the step on the guide post 2021, so as to prevent the first spring 2022 from being exposed to the outside. Meanwhile, a stop ring 2011 is arranged at the lower end of the guide hole to avoid the first spring 2022 being extruded out of the guide hole.
The periphery of the male die 202 is respectively provided with a side bending block 203, a bending gap is formed between the side bending block 203 and the peripheral side wall of the male die 202, and when the male die 202 is pressed into the cavity of the lower die plate 201 by the female die 102, the side bending blocks 203 can simultaneously bend the four sides of the workpiece 300 by 90 degrees.
A locking bar 204 is disposed in each side bending block 203, and a first end of the locking bar 204 extends toward the male die 202, and a second end thereof extends toward the peripheral sidewall of the lower die plate 201. The locking bar 204 is provided with a locking hole, and the side wall of the upper part of the locking hole is provided with a first wedge-shaped surface 204 a. The upper die plate 101 is provided with a locking bar driving rod 103 corresponding to the locking bar 204, and the lower end surface of the locking bar driving rod 103 is provided with a second wedge-shaped surface 103a corresponding to the first wedge-shaped surface 204 a. During punching, the female die 102 is firstly contacted with the workpiece 300 to punch the workpiece 300 onto the male die 202, and at the moment, the locking bar 204 locks the male die 202, so that the male die 202 is prevented from moving into the cavity of the lower die plate 201 along with the workpiece 300 to influence the stretching of the boss structure. During the process of stretching the boss structure, the second wedge-shaped surface 103a of the locking bar driving rod 103 synchronously presses the first wedge-shaped surface 204a of the locking bar 204, so that the locking bar 204 is gradually extracted from the lower side of the male die 202. After the boss structure is stretched, the locking bar driving rod 103 just draws out the locking bar 204 from the lower part of the male die 202, so that the male die 202 can be pressed into the cavity of the lower template 201; in the process that the male die 202 is pressed into the cavity of the lower die plate 201, the male die 202 and the side bending block 203 are staggered, so that four sides of the workpiece 300 are bent, and the boss stretching and side bending one-step forming of the heat dissipation shielding cover is completed.
In this embodiment, a horizontal accommodating groove is concavely disposed on the peripheral side wall of the lower mold plate 201, a second spring 2042 is disposed in the accommodating groove, and a pressing block 2043 is disposed at the notch of the accommodating groove to lock the second spring 2042 in the accommodating groove. The second end of the locking bar 204 is inserted into the second spring 2042, and the locking bar 204 is provided with a pressing ring 2041, the pressing ring 2041 presses the second spring 2042 onto the pressing block 2043, and the pressing block 2043 is provided with an avoiding hole for the locking bar 204 to pass through. When the locking bar driving rod 103 extrudes the locking bar 204 to be drawn out, the compression ring 2041 is driven to compress the second spring 2042, and after the locking bar driving rod 103 is reset along with the upper die plate 101, the compressed second spring 2042 drives the locking bar 204 to lock the male die 202 again, so that convenience is provided for the next punching.
Compared with the prior art, the utility model has the beneficial effects that: the boss of the heat dissipation shielding cover can be stretched and the side edge of the heat dissipation shielding cover can be bent to be formed at one time, so that the production efficiency of the heat dissipation shielding cover is greatly improved; and the structure is simple and the implementation is easy.
The above description is only a preferred embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications and equivalents of the technical solutions of the present invention, which are made by using the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (4)
1. A stretching and bending integrated forming device of a heat dissipation shielding case comprises an upper die and a lower die, wherein the upper die comprises an upper die plate and a female die arranged on the upper die plate, and the lower die comprises a lower die plate and a male die arranged on the lower die plate; it is characterized in that the preparation method is characterized in that,
the male die is elastically arranged in the containing cavity of the lower die plate, and the periphery of the male die is respectively provided with a side bending block; a locking strip is arranged in each side bending block, and a first end of each locking strip extends towards the male die and locks the male die;
a lock hole is formed in the lock bar, and a first wedge-shaped surface is arranged on the side wall of the upper portion of the lock hole; the upper die plate is provided with a locking bar driving rod corresponding to the locking bar, and the lower end face of the locking bar driving rod is provided with a second wedge-shaped face corresponding to the first wedge-shaped face.
2. The stretch-bending integrated forming device for the heat dissipation shielding case according to claim 1, wherein a guide pillar is vertically arranged on the lower surface of the male die, a first spring is sleeved on the guide pillar, and the first spring is clamped between the male die and the bottom of the containing cavity of the lower die plate.
3. The stretch-bending integrated forming device for the heat dissipation shielding case as claimed in claim 2, wherein a guide hole for a guide post to pass through is concavely formed at the bottom of the cavity of the lower die plate, a step is formed on the guide post, and the first spring is pressed in the guide hole by the step.
4. The stretch-bending integrated forming device for the heat dissipation shielding case according to any one of claims 1 to 3, wherein a horizontally disposed accommodating groove is concavely formed on a peripheral side wall of the lower template, a second spring is disposed in the accommodating groove, and a second end of the locking bar extends towards the peripheral side wall of the lower template and is inserted into the accommodating groove; the cover is equipped with the clamping ring on the locking bar, the second spring quilt the clamping ring is pressed in the storage tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220188907.5U CN216656063U (en) | 2022-01-24 | 2022-01-24 | Stretching and bending integrated forming device of heat dissipation shielding case |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220188907.5U CN216656063U (en) | 2022-01-24 | 2022-01-24 | Stretching and bending integrated forming device of heat dissipation shielding case |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216656063U true CN216656063U (en) | 2022-06-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220188907.5U Active CN216656063U (en) | 2022-01-24 | 2022-01-24 | Stretching and bending integrated forming device of heat dissipation shielding case |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216656063U (en) |
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2022
- 2022-01-24 CN CN202220188907.5U patent/CN216656063U/en active Active
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