CN219563963U - Injection molding die for common-mode power plug - Google Patents
Injection molding die for common-mode power plug Download PDFInfo
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- CN219563963U CN219563963U CN202320148044.3U CN202320148044U CN219563963U CN 219563963 U CN219563963 U CN 219563963U CN 202320148044 U CN202320148044 U CN 202320148044U CN 219563963 U CN219563963 U CN 219563963U
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Abstract
The utility model discloses an injection molding die for a common-mode power plug, which comprises an upper die assembly and a lower die assembly; the upper die assembly comprises an upper die seat, an upper die plate and an upper die core, wherein the upper die core is embedded in the lower surface of the upper die plate, the lower die assembly comprises a lower die core, a lower die plate and a lower die seat, and the lower die core is embedded in the upper surface of the lower die plate; the upper die core is provided with eight upper die cavities, the lower die core is provided with eight lower die cavities, and the upper die cavities are matched with the lower die cavities to form die cavities; a core convex part is arranged in the lower cavity, a positioning insertion hole for inserting a hardware PIN insert is concavely formed in the upper surface of the core convex part, at least two hardware PIN inserts are arranged, each hardware PIN insert comprises an insertion part, and the insertion parts are detachably inserted into the corresponding positioning insertion holes; the upper cavity is provided with a clearance cavity in an upward concave manner, and the positioning insertion holes are correspondingly arranged with the corresponding clearance cavities; therefore, the PIN power plug has common mode universality, can be suitable for hardware PIN power plugs of different specifications, and reduces the die cost.
Description
Technical Field
The utility model relates to the technical field of molds, in particular to an injection molding mold for a common mode power plug.
Background
Along with the update and progress of science and technology, the injection molding automatic molding requirement of power plug product is higher and higher, current power plug product adopts injection molding mould processing to make, use injection molding mould to make power plug product can improve production efficiency greatly, and power plug product injection molding mould among the prior art, it generally includes the upper die base, the cope match-plate pattern, go up the mould benevolence, lower mould benevolence, the lower bolster, set up a die cavity and a core respectively in last mould benevolence, such a mould cave structure, can only produce a product once, the productivity is low, and production efficiency is lower, and, power plug product is when injection molding mould makes, need the embedding hardware PIN, thereby need make the preparation tool that is used for inserting hardware PIN, in order to be used for inserting hardware PIN in power plug product, need more preparation moulds like this, the cost of making the mould is high, and need carry out more preparation steps, lead to production cycle is longer, make production efficiency slow and cost is high, and it need adopt different preparation moulds to different manufacturing the PIN, lead to it to be applicable to different specifications, the general purpose plug does not possess the cost of sharing mould, the cost is high, the development is led to more general purpose moulds.
Therefore, a new technology is required to be developed to solve the above-mentioned problems.
Disclosure of Invention
In view of the above, the present utility model aims at overcoming the drawbacks of the prior art, and its main objective is to provide a common mode power plug injection molding mold, which has common mode versatility, can be suitable for hardware PIN power plugs of different specifications, reduces mold cost, realizes a one-mold multi-cavity structure, improves productivity and production efficiency, shortens production cycle, and reduces production cost.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
an injection molding die for a common mode power plug comprises an upper die assembly and a lower die assembly which are connected with each other; the upper die assembly comprises an upper die seat, an upper die plate and an upper die core which are sequentially arranged from top to bottom, wherein the upper die core is embedded in the lower surface of the upper die plate, the lower die assembly comprises a lower die core, a lower die plate and a lower die seat which are sequentially arranged from top to bottom, and the lower die core is embedded in the upper surface of the lower die plate;
the upper die core is provided with eight upper die cavities, the eight upper die cavities are arranged in a matrix manner, the lower die core is provided with eight lower die cavities, the eight lower die cavities are arranged in a matrix manner, and the upper die cavities are matched with the lower die cavities to form a die cavity for manufacturing the power plug;
the lower cavity is internally provided with a core convex part, the upper surface of the core convex part is concavely provided with two symmetrical positioning insertion holes which are arranged at intervals and used for inserting hardware PIN inserts, the hardware PIN inserts are provided with at least two types, the two types of hardware PIN inserts can be selectively inserted into the positioning insertion holes, each hardware PIN insert comprises an insertion part, and the insertion parts can be detachably inserted into the corresponding positioning insertion holes;
the upper wall of the upper cavity is provided with two symmetrical space arrangement avoidance cavities in an upward concave mode, sealing parts extending along the vertical direction are embedded in the avoidance cavities, the positioning insertion holes are correspondingly arranged with the corresponding avoidance cavities, and the upper end face of the hardware PIN insert is limited to the lower end face of the sealing parts.
As a preferable scheme, the upper die core and the lower die core are all rectangular structures, positioning grooves are concavely formed in four corners of the bottom of the upper die core, positioning convex blocks are convexly formed in four corners of the top of the lower die core, and the positioning convex blocks are adapted to the corresponding positioning grooves.
As a preferable mode, the upper end of one of the two hardware PIN inserts is provided with a through hole penetrating through the front side and the rear side of the hardware PIN insert, and the upper end of the other hardware PIN insert is not provided with the through hole.
As a preferable scheme, two pairs of sides of the insertion part of each hardware PIN insert are symmetrically provided with stop parts, the upper surface of the core convex part is concavely provided with two symmetrical interval arranged abdication holes, the positioning insertion holes are concavely arranged from the middle part of the inner bottom of the abdication hole, and the lower surface of the stop parts is limited by the inner bottom wall of the abdication hole.
Preferably, the insertion portion is provided with a connection hole penetrating the insertion portion.
As a preferable scheme, a supporting plate component is arranged between the lower die plate and the lower die base, and comprises two vertical plates, two transverse plates, a damping spring and a connecting column; the two vertical plates are symmetrically arranged at a front-back distance; the two transverse plates are arranged in a vertically stacked mode and are positioned between the front and rear spaces of the two vertical plates; the two transverse plates are locked together through a set screw; one end of the connecting column penetrates through the upper part of the transverse plate positioned at the upper side to extend into the lower die plate and extend to the upper surface of the lower die plate, and the other end of the connecting column is arranged flush with the lower surface of the transverse plate positioned at the upper side; the damping spring is sleeved outside the connecting column; one end of the damping spring is abutted under the lower die plate, and the other end of the damping spring is abutted above the transverse plate positioned on the upper side.
As a preferable scheme, a buffer space is formed by enclosing the lower die plate, the lower die seat and the two vertical plates, and the two transverse plates are positioned in the buffer space; the two transverse plates are respectively an upper layer transverse plate and a lower layer transverse plate; one end of the connecting column penetrates through the upper part of the upper transverse plate and extends into the lower template to the upper surface of the lower template, and the other end of the connecting column is arranged flush with the lower surface of the upper transverse plate; one end of the damping spring is abutted under the lower template, and the other end is abutted above the upper transverse plate.
As a preferable scheme, the interval between the lower layer transverse plate and the lower die holder is set, and a buffer pad is arranged between the lower layer transverse plate and the lower die holder.
As a preferable scheme, the upper template and the lower template are both in rectangular structures, positioning holes are concavely formed in four corners of the bottom of the upper template, sleeves are embedded in the positioning holes, guide posts are convexly arranged in four corners of the top of the lower template, and the guide posts are adapted to the corresponding sleeves.
Compared with the prior art, the utility model has obvious advantages and beneficial effects, in particular, the technical scheme mainly comprises that the core convex part is arranged in the lower cavity, and the two symmetrically-spaced positioning insertion holes for inserting the hardware PIN inserts are downwards concavely arranged on the upper surface of the core convex part, so that the hardware PIN inserts can be inserted into the positioning insertion holes, a product embedded with the hardware PIN inserts is formed at one time, a manufacturing jig for additionally inserting the hardware PIN inserts is not needed, the jig is reduced, and particularly, at least two hardware PIN inserts are arranged and can be selectively inserted into the positioning insertion holes, so that more than two hardware PIN inserts can be selectively adopted, the common mode universality is realized, the hardware PIN power plugs with different specifications can be suitable for manufacturing hardware PIN power plugs with different specifications by one mold, the mold cost is reduced, the production period is shortened, and the production cost is reduced; and eight upper cavities are formed in the upper die core, eight lower cavities are formed in the lower die core, and the upper cavities and the lower cavities are matched to form the cavities, so that the upper die core and the lower die core are provided with eight cavities, eight products can be molded at one time, a one-die multi-cavity structure is realized, and the productivity and the production efficiency are improved.
In order to more clearly illustrate the structural features, technical means, and specific objects and functions attained by the present utility model, the present utility model will be described in further detail with reference to the accompanying drawings and the specific embodiments.
Drawings
FIG. 1 is a schematic perspective view of the overall structure of an embodiment of the present utility model;
FIG. 2 is a schematic perspective view of an upper mold assembly according to an embodiment of the present utility model;
FIG. 3 is a schematic perspective view of a lower mold assembly according to an embodiment of the present utility model;
FIG. 4 is a schematic view of a portion of a lower die assembly according to an embodiment of the present utility model;
FIG. 5 is a schematic perspective view of a hardware PIN insert according to an embodiment of the utility model;
fig. 6 is a schematic perspective view of another hardware PIN insert according to an embodiment of the present utility model.
The attached drawings are used for identifying and describing:
10. upper die holder 20, upper die plate
21. Sleeve 30 and upper die core
31. Upper cavity 32, clearance cavity
33. Positioning groove 40, lower die core
41. Lower cavity 42, core protrusion
43. Positioning insertion hole 44 and relief hole
45. Positioning lug 50, lower template
60. Lower die holder 70, hardware PIN insert
71. Insertion portion 72, stop portion
73. Connection hole 74, through hole
80. Support plate assembly 81, vertical plate
82. Damping spring 83, upper transverse plate
84. Lower transverse plate 101, buffer space
102. And (5) a product.
Description of the embodiments
Referring to fig. 1 to 6, specific structures of embodiments of the present utility model are shown.
An injection molding die for a common mode power plug comprises an upper die assembly and a lower die assembly which are connected with each other; the upper die assembly comprises an upper die holder 10, an upper die plate 20 and an upper die core 30 which are sequentially arranged from top to bottom, wherein the upper die core 30 is embedded in the lower surface of the upper die plate 20, the lower die assembly comprises a lower die core 40, a lower die plate 50 and a lower die holder 60 which are sequentially arranged from top to bottom, and the lower die core 40 is embedded in the upper surface of the lower die plate 50; the upper template 20 and the lower template 50 are both rectangular structures, positioning holes are concavely formed in four corners of the bottom of the upper template 20, sleeves 21 are embedded in the positioning holes, guide posts (not shown in the figure) are convexly formed in four corners of the top of the lower template 50, and the guide posts are adapted to the corresponding sleeves 21. And, the upper die core 30 and the lower die core 40 are rectangular structures, the four corners of the bottom of the upper die core 30 are concavely provided with positioning grooves 33, the four corners of the top of the lower die core 40 are convexly provided with positioning protrusions 45, and the positioning protrusions 45 are adapted to the corresponding positioning grooves 33, so that the mutual matching of the upper die core 30 and the lower die core 40 is facilitated.
The upper die core 30 is provided with eight upper die cavities 31, the eight upper die cavities 31 are arranged in a matrix, the lower die core 40 is provided with eight lower die cavities 41, the eight lower die cavities 41 are arranged in a matrix, and the upper die cavities 31 are matched with the lower die cavities 41 to form a die cavity for manufacturing a power plug; thus, the mold has eight cavities, so that eight products 102 can be molded at one time, a one-mold multi-cavity structure is realized, and the productivity and the production efficiency are improved.
The lower cavity 41 is internally provided with a core convex part 42, the upper surface of the core convex part 42 is concavely provided with two symmetrical positioning insertion holes 43 which are arranged at intervals and used for inserting the hardware PIN inserts 70, the hardware PIN inserts 70 are provided with at least two types, and the two types of hardware PIN inserts 70 can be selectively inserted into the positioning insertion holes 43. The two hardware PIN inserts 70 are provided with through holes 74 penetrating through the front and rear sides of the hardware PIN insert 70 at the upper end of one of the two hardware PIN inserts 70, and the through holes 74 are not provided at the upper end of one of the two hardware PIN inserts. Each hardware PIN insert 70 comprises an insertion part 71, and the insertion parts 71 are detachably inserted into the corresponding positioning insertion holes 43; the insertion portion 71 is provided with a connection hole 73 penetrating the insertion portion 71. The inner top wall of the upper cavity 31 is concavely provided with two symmetrical space-arranged avoidance cavities 32, the avoidance cavities 32 are embedded with sealing members (not shown in the figure) extending along the up-down direction, the positioning insertion holes 43 are correspondingly arranged with the corresponding avoidance cavities 32, and the upper end face of the hardware PIN insert 70 is limited to the lower end face of the sealing members. And, in this embodiment, the two opposite sides of the insertion portion 71 of each hardware PIN insert 70 are symmetrically provided with the stop portions 72, the upper surface of the core protrusion 42 is concavely provided with two symmetrically spaced relief holes 44, the positioning insertion holes 43 are concavely formed from the middle of the inner bottom of the relief holes 44, and the lower surface of the stop portion 72 is limited by the inner bottom wall of the relief holes 44, so that the hardware PIN insert 70 can be stably and accurately inserted into the positioning insertion holes 43. Here, at the time of injection molding, the hardware PIN insert 70 is first inserted into the positioning insertion hole 43, and the plastic product 102 is subjected to mold closing and injection molding, so that the plastic product 102 with the hardware PIN insert 70 can be manufactured. So, make it can insert the five metals PIN mold insert 70 to the location patchhole 43, thereby once only mould out the product 102 of embedding five metals PIN mold insert 70, need not to insert the preparation tool of five metals PIN mold insert 70 in addition, reduced the tool, especially, through be provided with at least two kinds with five metals PIN mold insert 70, and make two kinds of five metals PIN mold insert 70 can insert in the location patchhole 43 selectively, so, can make it can be with the selective adoption of more than two kinds of five metals PIN mold insert 70, thereby make it possess common mode commonality, can be applicable to the five metals PIN power plug of different specifications, the purpose that has reached the different specification of a mould preparation five metals PIN power plug has been reached, thereby the mould cost has been reduced, and production cycle has been shortened, manufacturing cost has been reduced.
A supporting plate assembly 80 is arranged between the lower die plate 50 and the lower die base 60, and the supporting plate assembly 80 comprises two vertical plates 81, two transverse plates, a damping spring 82 and a connecting column; the two vertical plates 81 are arranged at a vertical front-rear interval symmetrically; the two transverse plates are arranged in a vertically stacked mode and are positioned between the front and rear spaces of the two vertical plates 81; the two transverse plates are locked together through a set screw; one end of the connecting column (not shown) passes through the upper side of the upper transverse plate and extends into the lower template 50 and extends to the upper surface of the lower template 50, and the other end of the connecting column is arranged flush with the lower surface of the upper transverse plate; the damping spring 82 is sleeved outside the connecting column; one end of the damper spring 82 abuts below the lower die plate 50, and the other end abuts above the upper lateral plate. Here, by the design of the support plate assembly 80 with the shock absorbing springs 82, its shock absorbing capacity is improved, the overall structural strength is enhanced, so that it can accommodate a larger impact force, and further the service life is improved. In the present embodiment, a buffer space 101 is defined between the lower die plate 50, the lower die holder 60, and the two vertical plates 81, and the two lateral plates are located in the buffer space 101; the two transverse plates are an upper layer transverse plate 83 and a lower layer transverse plate 84 respectively; one end of the connecting column penetrates through the upper part of the upper transverse plate 83, stretches into the lower template 50 and extends to the upper surface of the lower template 50, and the other end of the connecting column is arranged flush with the lower surface of the upper transverse plate 83; one end of the damper spring 82 abuts against the lower side of the lower die plate 50, and the other end abuts against the upper side of the upper lateral plate 83.
The space between the lower transverse plate 84 and the lower die holder 60 is set, and a cushion pad (not shown in the figure) is disposed between the lower transverse plate 84 and the lower die holder 60, so that the cushion pad is set, and the cushioning capability can be further improved. The cushion pad is locked on the lower surface of the lower transverse plate 84 by locking screws, the cushion pad is exposed on the lower surface of the lower transverse plate 84, and the lower surface of the cushion pad is limited on the upper surface of the lower die holder 60, so that the cushion pad can be firmly connected to the lower transverse plate 84 by locking screws.
In summary, the design key point of the utility model is that the core convex part is arranged in the lower cavity, and the two symmetrically spaced positioning insertion holes for inserting the hardware PIN inserts are concavely arranged on the upper surface of the core convex part, so that the hardware PIN inserts can be inserted into the positioning insertion holes, a product embedded with the hardware PIN inserts is formed at one time, a manufacturing jig for inserting the hardware PIN inserts is not needed, the jig is reduced, and particularly, at least two hardware PIN inserts are arranged and can be selectively inserted into the positioning insertion holes, so that more than two hardware PIN inserts can be selectively adopted, the hardware PIN inserts have common mode universality, can be suitable for hardware PIN power plugs with different specifications, the purpose of manufacturing hardware PIN power plugs with different specifications by one mold is achieved, the mold cost is reduced, the production period is shortened, and the production cost is reduced; and eight upper cavities are formed in the upper die core, eight lower cavities are formed in the lower die core, and the upper cavities and the lower cavities are matched to form the cavities, so that the upper die core and the lower die core are provided with eight cavities, eight products can be molded at one time, a one-die multi-cavity structure is realized, and the productivity and the production efficiency are improved.
The foregoing description is only a preferred embodiment of the present utility model, and is not intended to limit the technical scope of the present utility model, so any minor modifications, equivalent changes and modifications made to the above embodiments according to the technical principles of the present utility model are still within the scope of the technical solutions of the present utility model.
Claims (9)
1. An injection molding die for a common mode power plug comprises an upper die assembly and a lower die assembly which are connected with each other; the upper die assembly comprises an upper die seat, an upper die plate and an upper die core which are sequentially arranged from top to bottom, wherein the upper die core is embedded in the lower surface of the upper die plate, the lower die assembly comprises a lower die core, a lower die plate and a lower die seat which are sequentially arranged from top to bottom, and the lower die core is embedded in the upper surface of the lower die plate; the method is characterized in that:
the upper die core is provided with eight upper die cavities, the eight upper die cavities are arranged in a matrix manner, the lower die core is provided with eight lower die cavities, the eight lower die cavities are arranged in a matrix manner, and the upper die cavities are matched with the lower die cavities to form a die cavity for manufacturing the power plug;
the lower cavity is internally provided with a core convex part, the upper surface of the core convex part is concavely provided with two symmetrical positioning insertion holes which are arranged at intervals and used for inserting hardware PIN inserts, the hardware PIN inserts are provided with at least two types, the two types of hardware PIN inserts can be selectively inserted into the positioning insertion holes, each hardware PIN insert comprises an insertion part, and the insertion parts can be detachably inserted into the corresponding positioning insertion holes;
the upper wall of the upper cavity is provided with two symmetrical space arrangement avoidance cavities in an upward concave mode, sealing parts extending along the vertical direction are embedded in the avoidance cavities, the positioning insertion holes are correspondingly arranged with the corresponding avoidance cavities, and the upper end face of the hardware PIN insert is limited to the lower end face of the sealing parts.
2. A common mode power plug injection mold according to claim 1, wherein: the upper die core and the lower die core are of rectangular structures, positioning grooves are concavely formed in four corners of the bottom of the upper die core, positioning protruding blocks are convexly formed in four corners of the top of the lower die core, and the positioning protruding blocks are adapted to the corresponding positioning grooves.
3. A common mode power plug injection mold according to claim 1, wherein: the upper end of one of the two hardware PIN inserts is provided with a through hole penetrating through the front side and the rear side of the hardware PIN insert, and the upper end of the other hardware PIN insert is not provided with the through hole.
4. A common mode power plug injection mold according to claim 1, wherein: two pairs of side symmetry of the insert portion of each hardware PIN mold insert are provided with backstop portion, the upper surface of core convex part is equipped with the hole of stepping down of two symmetrical formula interval arrangements downwards, the middle part of the interior bottom of locating the insert hole from stepping down the hole is established downwards, the lower surface of backstop portion is limited by the interior diapire of hole of stepping down.
5. A common mode power plug injection mold according to claim 1, wherein: the insertion portion is provided with a connection hole penetrating the insertion portion.
6. A common mode power plug injection mold according to claim 1, wherein: a supporting plate assembly is arranged between the lower die plate and the lower die seat and comprises two vertical plates, two transverse plates, damping springs and connecting columns; the two vertical plates are symmetrically arranged at a front-back distance; the two transverse plates are arranged in a vertically stacked mode and are positioned between the front and rear spaces of the two vertical plates; the two transverse plates are locked together through a set screw; one end of the connecting column penetrates through the upper part of the transverse plate positioned at the upper side to extend into the lower die plate and extend to the upper surface of the lower die plate, and the other end of the connecting column is arranged flush with the lower surface of the transverse plate positioned at the upper side; the damping spring is sleeved outside the connecting column; one end of the damping spring is abutted under the lower die plate, and the other end of the damping spring is abutted above the transverse plate positioned on the upper side.
7. The common mode power plug injection mold of claim 6, wherein: the lower die plate, the lower die seat and the two vertical plates are enclosed to form a buffer space, and the two transverse plates are positioned in the buffer space; the two transverse plates are respectively an upper layer transverse plate and a lower layer transverse plate; one end of the connecting column penetrates through the upper part of the upper transverse plate and extends into the lower template to the upper surface of the lower template, and the other end of the connecting column is arranged flush with the lower surface of the upper transverse plate; one end of the damping spring is abutted under the lower template, and the other end is abutted above the upper transverse plate.
8. The common mode power plug injection mold of claim 7, wherein: the lower transverse plate is arranged at intervals with the lower die holder, and a buffer cushion is arranged between the lower transverse plate and the lower die holder.
9. A common mode power plug injection mold according to claim 1, wherein: the upper template and the lower template are both rectangular structures, positioning holes are concavely formed in four corners of the bottom of the upper template, sleeves are embedded in the positioning holes, guide posts are convexly arranged in four corners of the top of the lower template, and the guide posts are adapted to the corresponding sleeves.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320148044.3U CN219563963U (en) | 2023-01-16 | 2023-01-16 | Injection molding die for common-mode power plug |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320148044.3U CN219563963U (en) | 2023-01-16 | 2023-01-16 | Injection molding die for common-mode power plug |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219563963U true CN219563963U (en) | 2023-08-22 |
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ID=87649463
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320148044.3U Active CN219563963U (en) | 2023-01-16 | 2023-01-16 | Injection molding die for common-mode power plug |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219563963U (en) |
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2023
- 2023-01-16 CN CN202320148044.3U patent/CN219563963U/en active Active
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