CN209987306U - Injection mold for notebook computer top cover - Google Patents
Injection mold for notebook computer top cover Download PDFInfo
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- CN209987306U CN209987306U CN201920299605.3U CN201920299605U CN209987306U CN 209987306 U CN209987306 U CN 209987306U CN 201920299605 U CN201920299605 U CN 201920299605U CN 209987306 U CN209987306 U CN 209987306U
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Abstract
The utility model belongs to the technical field of notebook computer forming molds, and discloses an injection mold for a notebook computer top cover, which comprises a top plate and a bottom plate, wherein the top plate is positioned above the bottom plate, two first guide rods are symmetrically arranged between the top plate and the bottom plate, a fixed die, a discharging plate and a movable template are sequentially sleeved on the first guide rods from top to bottom, and the bottom end of the top plate is provided with a second guide rod at one side of the two first guide rods, the fixed die is sleeved on the second guide rod, the utility model is provided with a second guide rod, a limit spring and a limit pouring hole, when the die is used, the connection between the sprue and the cavity is effectively realized by the arrangement of the limiting sprue hole, thereby guarantee effectively going on of the operation of moulding plastics, spacing watering hole is T type structure simultaneously, has not only effectively reduced the size of hookup location department between spacing watering hole and the die cavity, has still effectively realized the limiting displacement of runner structure.
Description
Technical Field
The utility model belongs to the technical field of the notebook computer forming die, concretely relates to an injection mold for notebook computer top cap.
Background
The existing notebook computer in the market is assembled by a plurality of parts, and each part has different forming modes during production and processing, wherein the top cover of the notebook computer is formed by injection molding of molten plastic, and a corresponding injection mold is needed in the injection molding process;
when the existing injection mold is used, molten raw materials are introduced into a mold cavity through a pouring gate, the raw materials are cooled and molded in the mold cavity, meanwhile, the residual raw materials in the gate are also cooled and formed, so that the forming structure at the gate and the forming top cover in the cavity are integrally connected, the redundant gate forming structure is cut off after demoulding, in addition, most of the existing injection molds are composed of a movable mold and a fixed mold (especially when the two half cavities have no limiting structures such as barbs, the adhesive force between the top cover and the movable mold and the fixed mold is the same during molding, so that the top cover can be randomly attached to the inside of the movable mold or the fixed mold during mold opening), and the structure of unloading in the mould sets up in the stationary mould mostly, if the top cap in the die cavity is attached to on the movable mould when the mould opening, then can't realize the automatic drawing of patterns of top cap this moment.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an injection mold for notebook computer top cap to there is unable effectively to get rid of the runner structure in the injection mold who solves current being used for the notebook computer top cap when using, and can't effectively guarantee when the die sinking that the top cap can accomplish the problem of automatic demoulding all the time.
In order to achieve the above object, the utility model provides a following technical scheme: an injection mold for a top cover of a notebook computer comprises a top plate and a bottom plate, wherein the top plate is positioned above the bottom plate, two first guide rods are symmetrically arranged between the top plate and the bottom plate, a fixed mold, a discharging plate and a movable mold plate are sequentially sleeved on the first guide rods from top to bottom, a second guide rod is arranged at each position of the bottom end of the top plate, which is positioned on one side of each of the two first guide rods, the fixed mold is sleeved on the second guide rods, a limiting spring is welded at each position of the second guide rod, which is positioned below the fixed mold, a limiting pouring hole and a fixed mold cavity are respectively arranged at the middle positions of the top end and the bottom end of the fixed mold, the limiting pouring hole is a T-shaped structure with a big top end and a small bottom end, the bottom end of the limiting pouring hole is connected with the fixed mold cavity, a movable mold is arranged at the middle position of the top end of the movable mold, and the position department that the stripper bottom is located the movable mould both sides all welds the gag lever post, two the gag lever post all runs through the movable mould board.
Preferably, a pouring gate is arranged in the middle of the top plate and connected with the top end of the limiting pouring hole.
Preferably, a push rod is fixedly connected to the middle position of the bottom end of the movable template through a bolt, and the push rod penetrates through the bottom plate.
Preferably, two all the cover is equipped with the spring of unloading on the gag lever post, and two springs of unloading are all fixed in between stripper and the movable mould board.
Preferably, the discharge rods are installed at positions, located on two sides of the limiting pouring hole, in the fixed die and penetrate through the top plate, the connecting rods are welded at positions, located on two sides of the movable die cavity, of the top end of the discharge plate and penetrate through the top plate, and the connecting rods are connected with the connecting plates between the two connecting rods and the two discharge rods.
Compared with the prior art, the utility model, following beneficial effect has:
(1) the utility model discloses set up the second guide arm, spacing spring and spacing watering hole, this mould is when using, utilize the setting of spacing watering hole to effectively realize being connected between runner and the die cavity, thereby guarantee the effective of going on of injection moulding operation, spacing watering hole is T type structure simultaneously, not only effectively reduced the size of junction between spacing watering hole and the die cavity, thereby reduce the structural strength of junction after the shaping, still effectively realized the limiting displacement of runner structure, thereby avoid the shaping structure of runner department and the shaping top cap formation synchronous drawing of patterns in the die cavity, reach the effect of separating runner structure and shaping top cap with this, make the top cap need not to carry out the secondary after the drawing of patterns and cut and separate, thereby effectively improve the shaping efficiency of top cap;
the direction that utilizes the second guide arm makes the cover half can effectively remove to in the space of unloading of expansion formation runner structure, then the spacing spring of cooperation realizes the positioning action of cover half, in order to realize the separation between the cover half, thereby guarantees that whole mould can form the operation of effective die sinking.
(2) The utility model discloses the stripper, even board, stripper and connecting rod, stripper and stripper are used for realizing the drawing of patterns operation of movable mould and cover half respectively, make no matter attach to the top cap and all can form the effect of automatic drawing of patterns on movable mould or the cover half, and form through the connecting rod again and even board between stripper and the stripper and be connected, make two structures of unloading can form effectual linkage effect, thereby make whole mould can accomplish two-way automatic discharge under the prerequisite not with the help of external instrument, and above-mentioned simple structure, easily installation, greatly reduced the drawing of patterns cost of this mould.
Drawings
FIG. 1 is a schematic view of the mold assembly of the present invention;
fig. 2 is a schematic view of the positioning of the present invention;
FIG. 3 is a schematic view of the present invention;
FIG. 4 is a schematic view of the mold opening of the first embodiment of the present invention;
FIG. 5 is a schematic view of the second embodiment of the present invention;
in the figure: 1-a first guide rod, 2-a discharging plate, 3-a top plate, 4-a fixed die cavity, 5-a sprue, 6-a fixed die, 7-a movable die cavity, 8-a second guide rod, 9-a limiting spring, 10-a bottom plate, 11-a push rod, 12-a discharging spring, 13-a movable die, 14-a movable die plate, 15-a limiting rod, 16-a limiting pouring hole, 17-a connecting plate, 18-a discharging rod and 19-a connecting rod.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely 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. 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.
Referring to fig. 1-4, the present invention provides a technical solution: an injection mold for a top cover of a notebook computer comprises a top plate 3 and a bottom plate 10, wherein the top plate 3 is positioned above the bottom plate 10, two first guide rods 1 are symmetrically arranged between the top plate 3 and the bottom plate 10, the moving direction of each structure is limited by the positioning of the two first guide rods 1, so that the phenomenon of structure deviation in the opening and closing process is effectively avoided, the positioning accuracy of the whole mold is ensured, a fixed mold 6, a discharging plate 2 and a movable mold plate 14 are sequentially sleeved on the first guide rods 1 from top to bottom, a second guide rod 8 is arranged at the position of the bottom end of the top plate 3, which is positioned at one side of the two first guide rods 1, the fixed mold 6 is sleeved on the second guide rod 8, a limiting spring 9 is welded at the position of the second guide rod 8, which is positioned below the fixed mold 6, and the setting of the limiting spring 9 is utilized, on one hand, the return reset of the fixed mold 6 in the mold opening process is realized, so as, on the other hand, the limiting effect of the fixed die 6 is realized to ensure that the fixed die 6 and the movable die 13 can be effectively separated, the limiting sprue holes 16 and the fixed die cavity 4 are respectively arranged at the middle positions of the top end and the bottom end of the fixed die 6, the limiting sprue holes 16 are of a T-shaped structure with a large top end and a small bottom end, the bottom ends of the limiting sprue holes 16 are connected with the fixed die cavity 4, the connecting strength between the sprue structure and the top cover is reduced by the arrangement of the limiting sprue holes 16, so that the sprue structure can be smoothly separated, the T-shaped notch is limited, so that the sprue structure and the top cover are reversely pulled, so that the automatic separation of the sprue structure is completed, the movable die 13 is arranged at the middle position of the top end of the movable die plate 14, the movable die cavity 7 is arranged at the top end of the movable die 13, the middle position of the discharging plate 2 is sleeved on the movable die cavity 7, and, both the two stop rods 15 penetrate through the movable die plate 14.
In order to facilitate the connection between the mold and the injection molding machine, in this embodiment, preferably, a gate 5 is formed at the middle position of the top plate 3, and the gate 5 is connected to the top end of the limiting gate hole 16.
In order to facilitate the moving of the movable mold 13 and other structures, in the present embodiment, preferably, a push rod 11 is fixedly connected to an intermediate position of the bottom end of the movable mold plate 14 through a bolt, and the push rod 11 penetrates through the bottom plate 10.
In order to facilitate the connection and the reset between the discharging plate 2 and the movable die plate 14, in this embodiment, preferably, the discharging springs 12 are respectively sleeved on the two limiting rods 15, and the two discharging springs 12 are respectively fixed between the discharging plate 2 and the movable die plate 14.
Referring to fig. 5, the present invention provides another technical solution: the discharge rods 18 are installed at positions, located on two sides of the limiting pouring hole 16, in the fixed die 6, the two discharge rods 18 all penetrate through the top plate 3, the connecting rods 19 are welded at positions, located on two sides of the movable die cavity 7, of the top end of the discharge plate 2, the connecting rods 19 all penetrate through the top plate 3, and the connecting plates 17 are connected between the two connecting rods 19 and the two discharge rods 18.
The utility model discloses a theory of operation and use flow: the mould forms the die sinking and demoulding operation after finishing injection molding, wherein figure 1 shows the die closing state of the integral mould, at this time, the injection molding injects the molten raw material into the fixed mould cavity 4 through the sprue 5 and the limiting sprue hole 16, the injected raw material is cooled and formed in the fixed mould cavity 4, and then the push rod 11 is pulled downwards to gradually realize the die sinking operation of the mould;
fig. 2 shows a positioning state in the mold opening process, when the push rod 11 moves down, the pushing force on the movable mold 13 and the fixed mold 6 disappears, and at this time, the limiting spring 9 rebounds to drive the fixed mold 6 to move down synchronously with the push rod 11, the movable mold 13 and other structures, so that the fixed mold 6 is separated from the top plate 3, and a space formed by separation is used for realizing the unloading of the gate structure, wherein the limiting spring 9 is installed at a specified position, so that the moving range of the fixed mold 6 is limited;
fig. 3 is a mold stripping state, wherein the structure of the integral movable mold 13 is matched with the structure of the discharging rod 18 and the like in the process of moving from fig. 2 to fig. 3, if the push rod 11 moves downwards continuously from fig. 2, the movable mold 13 and the discharging plate 2 are driven to move downwards synchronously by the limitation of the discharging spring 12, and the discharging plate 2 drives the discharging rod 18 to move synchronously by the connecting rod 19 and the connecting plate 17, so that the top cover in the fixed mold cavity 4 is pushed by the discharging rod 18 to be separated from the fixed mold cavity 4 to complete preliminary mold stripping, and meanwhile, the gate part formed in the gate 5 and the limiting pouring hole 16 cannot move due to the limitation of the limiting pouring hole 16, so that reverse stress is generated between the gate part and the top cover, and the separation between the gate part and the top cover is realized to complete the stripping operation;
in the process, if no adhesion is formed between the top cover after the top cover is cast off and the movable mould cavity 7, the discharging of the top cover can be directly finished, and if the top cover is still adhered to the movable mould cavity 7, the top cover moves downwards along with the movement of the movable mould 13;
fig. 4 is a state that the mold is completely opened, and in the process that the movable mold 13 and the movable mold plate 14 are lowered from the position of fig. 3 to the position of fig. 4, due to the limitation of the limiting rod 15, the stripper plate 2 cannot move continuously, at this time, the movable mold cavity 7 and the stripper plate 2 move relatively, and the top cover on the movable mold cavity 7 is ejected through the relative movement, so that the demolding and the unloading of the top cover are further completed;
after the final unloading is finished, the die assembly operation can be carried out to realize the repeated processing of the top cover, and the die assembly operation is the reverse operation of the process.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. The utility model provides an injection mold for notebook computer top cap, includes roof (3) and bottom plate (10), roof (3) are located the top of bottom plate (10), and the symmetry is provided with two first guide arms (1), its characterized in that between roof (3) and bottom plate (10): the die is characterized in that a fixed die (6), a stripper plate (2) and a movable die plate (14) are sequentially sleeved on the first guide rod (1) from top to bottom, the positions of the bottom ends of the top plate (3) on one side of the two first guide rods (1) are provided with second guide rods (8), the fixed die (6) is sleeved on the second guide rods (8), the positions of the second guide rods (8) below the fixed die (6) are welded with limit springs (9), the middle positions of the top end and the bottom end of the fixed die (6) are respectively provided with limit pouring holes (16) and a fixed die cavity (4), the limit pouring holes (16) are T-shaped structures with big top ends and small bottom ends, the bottom ends of the limit pouring holes (16) are connected with the fixed die cavity (4), the middle position of the top end of the movable die plate (14) is provided with a movable die (13), and the top end of the movable die (13) is, the middle position of stripper (2) is located the cover and is located on movable mould chamber (7), and all welds gag lever post (15) in the position department that stripper (2) bottom is located movable mould (13) both sides, two gag lever post (15) all run through movable mould board (14).
2. The injection mold for the notebook computer top cover according to claim 1, wherein: a pouring gate (5) is formed in the middle of the top plate (3), and the pouring gate (5) is connected with the top end of the limiting pouring hole (16).
3. The injection mold for the notebook computer top cover according to claim 1, wherein: the middle position of the bottom end of the movable template (14) is fixedly connected with a push rod (11) through a bolt, and the push rod (11) penetrates through the bottom plate (10).
4. The injection mold for the notebook computer top cover according to claim 1, wherein: two all the cover is equipped with discharge spring (12) on gag lever post (15), and two discharge spring (12) all are fixed in between stripper (2) and movable mould board (14).
5. The injection mold for the notebook computer top cover according to claim 1, wherein: the fixed die is characterized in that the positions, located on two sides of the limiting pouring hole (16), of the fixed die (6) are provided with discharging rods (18) respectively, the discharging rods (18) all penetrate through the top plate (3), the positions, located on two sides of the movable die cavity (7), of the top end of the discharging plate (2) are welded with connecting rods (19) respectively, the connecting rods (19) all penetrate through the top plate (3), and connecting plates (17) are connected between the two connecting rods (19) and the two discharging rods (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920299605.3U CN209987306U (en) | 2019-03-11 | 2019-03-11 | Injection mold for notebook computer top cover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920299605.3U CN209987306U (en) | 2019-03-11 | 2019-03-11 | Injection mold for notebook computer top cover |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209987306U true CN209987306U (en) | 2020-01-24 |
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ID=69289176
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920299605.3U Expired - Fee Related CN209987306U (en) | 2019-03-11 | 2019-03-11 | Injection mold for notebook computer top cover |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209987306U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113043549A (en) * | 2021-03-11 | 2021-06-29 | 胡立军 | Bottle blank processing die capable of automatically controlling feeding amount |
| CN113385641A (en) * | 2021-05-31 | 2021-09-14 | 重庆恒亚实业有限公司 | Forming device of aluminium bar |
-
2019
- 2019-03-11 CN CN201920299605.3U patent/CN209987306U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113043549A (en) * | 2021-03-11 | 2021-06-29 | 胡立军 | Bottle blank processing die capable of automatically controlling feeding amount |
| CN113385641A (en) * | 2021-05-31 | 2021-09-14 | 重庆恒亚实业有限公司 | Forming device of aluminium bar |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200124 Termination date: 20210311 |
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| CF01 | Termination of patent right due to non-payment of annual fee |