CN218576849U - Take inserts automobile distribution box drain pan injection mold - Google Patents
Take inserts automobile distribution box drain pan injection mold Download PDFInfo
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- CN218576849U CN218576849U CN202222247394.3U CN202222247394U CN218576849U CN 218576849 U CN218576849 U CN 218576849U CN 202222247394 U CN202222247394 U CN 202222247394U CN 218576849 U CN218576849 U CN 218576849U
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Abstract
The utility model relates to the technical field of automobile injection molding production, in particular to an injection mold for an automobile distribution box bottom shell with an insert, which can install the insert before injection molding through a front mold core and a rear mold core, and can integrally form the insert and raw materials during production operation, thereby effectively improving the overall strength and quality of injection molding; by arranging the socket groove and increasing the width of the socket groove to be larger than the width of the insert insertion part, the situation that when the insert is located at the position with insufficient stamping precision, the front die core and the rear die core cannot be matched, the normal production operation of the bottom shell of the power distribution box is influenced can be avoided, meanwhile, the production yield of injection molding pieces can be improved, the abrasion of the die is reduced, and the waste of materials is reduced; through setting up thimble assembly, can be after injection molding production is accomplished, when the separation of front mould benevolence and back mould benevolence, with the automatic ejecting of injection molding, improve injection molding production efficiency.
Description
Technical Field
The utility model relates to a car injection molding production technical field especially relates to a take inserts car block terminal drain pan injection mold.
Background
With the development of new energy technology, new energy products are continuously popularized. As one of representatives of new energy products, electric vehicles have become a hot spot of research. In the assembly of an electric vehicle, a battery system distribution box, also called a BDU, is an important electrical control component of the electric vehicle, and a battery system distribution box casing is usually an injection molding part.
At present, for improving battery system block terminal drain pan intensity, shorten production assembly cycle, can inlay its injection molding and copper bar together, reach integrative injection moulding effect, also reduce follow-up assembly copper bar reduction time alone simultaneously, nevertheless the copper bar inserts is at stamping forming's in-process, its stamping process's partial precision can not reach 0.02MM, unable assembly when punching press copper bar and injection mold are in the real time, lead to the mould to be difficult to reach the volume production effect.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model provides a take inserts automobile distribution box drain pan injection mold for unable assembly when solving punching press copper bar and injection mold real-time, the problem that leads to the mould to be difficult to reach the volume production effect.
The technical scheme of the utility model is realized like this: the utility model provides an injection mould for a bottom shell of an automobile distribution box with an insert, which comprises a front mould core and a rear mould core, wherein,
the front die core can be internally provided with an insert part on a formed workpiece;
the rear mold core can be combined with the front mold core, and an injection molding cavity is formed at the combined joint;
the rear die core is provided with a plurality of socket grooves, the socket grooves are used for local insertion of the inserts when die assembly is carried out, and the width of each socket groove is 0.5-2.5mm larger than the insert insertion part.
On the basis of the above technical solution, preferably, the socket portion is arc-shaped, and the arc is provided with a rounded corner.
On the basis of the technical scheme, preferably, the front mold core is provided with a plurality of protrusions, the protrusions correspond to the socket grooves one by one, and the protrusions are used for pressing the insert into the socket grooves partially and pressing the insert tightly.
On the basis of the above technical solution, preferably, the mold further comprises a first mold plate and a second mold plate, wherein,
the first template is used for installing a front mold core;
the second template is used for installing the rear mold core, and the first template and the second template can be mutually contacted and move relatively vertical to the contact surface.
Further preferably, the injection molding device further comprises a front fixing plate, the front fixing plate is fixed with the first template, an injection molding hole is formed in the outer portion of the front fixing plate, and the injection molding hole is used for enabling a molten raw material to enter an injection molding cavity formed after the rear mold core and the front mold core are combined.
Further preferably, the mould also comprises a rear fixing plate and two mould feet, wherein,
the two mold feet are fixed with the second mold plate;
and the rear fixing plate is fixed on one side of the two die feet, which is far away from the second die plate.
Preferably, the injection molding machine further comprises an ejector pin assembly, wherein the rear mold core is provided with a plurality of ejector pin holes, and the ejector pin assembly is arranged on the rear fixing plate and inserted into each ejector pin hole for ejecting the injection molding piece after the injection molding piece is molded.
On the basis of the above technical scheme, preferably, the front mold core is provided with a plurality of insert flat surfaces, and the insert flat surfaces are used for contacting inserts.
On the basis of the above technical scheme, preferably, the front mold core is provided with a plurality of positioning columns for mounting the insert.
The utility model discloses a take inserts car block terminal drain pan injection mold has following beneficial effect for prior art:
(1) The front mold core and the rear mold core can be used for installing the insert before injection molding, and the insert and the raw materials are integrally molded during production operation, so that the overall strength and quality of the injection molding piece can be effectively improved;
(2) By arranging the nest groove and increasing the width of the nest groove to be larger than the width of the insert insertion part, the situation that when the insert is located at a position with insufficient stamping precision, the front mold core and the rear mold core cannot be assembled to influence the normal production operation of the bottom shell of the distribution box can be avoided, meanwhile, the production yield of injection molding pieces can be improved, the abrasion of the mold is reduced, and the waste of materials is reduced;
(3) Through setting up thimble assembly, can be after injection molding production is accomplished, when the separation of front mould benevolence and back mould benevolence, it is automatic ejecting with the injection molding, improve injection molding production efficiency.
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 description below are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a perspective view of a first template and a front mold core of an injection mold for a bottom shell of an automobile distribution box with inserts according to the present invention;
fig. 2 is a bottom view of the front mold core of the injection mold for the bottom shell of the automobile distribution box with the insert of the present invention;
FIG. 3 is a perspective view of a second injection molding template and a rear mold core of the bottom shell of the automobile distribution box with the insert of the present invention;
FIG. 4 is an enlarged view of the structure A in FIG. 3;
fig. 5 is a perspective view of the rear mold insert of the injection mold for the bottom shell of the automobile distribution box with the insert of the present invention;
fig. 6 is a perspective view of the injection mold for the bottom shell of the automobile distribution box with the insert of the present invention;
fig. 7 is a schematic view of a forming workpiece of the injection mold for the bottom shell of the automobile distribution box with the insert of the present invention;
fig. 8 is the utility model discloses a take copper bar inserts schematic diagram before inserts car block terminal drain pan injection mold moulds plastics.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely below with reference to 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 efforts all belong to the protection scope of the present invention.
As shown in fig. 1-8, the injection mold for the bottom shell of the automobile distribution box with the insert of the present invention mainly comprises a front mold core 1 and a rear mold core 2.
Rear die core 2 can make up with front die core 1 to form the cavity of moulding plastics in built-up connection department, the cavity of moulding plastics can let in the melting raw materials when the operation of moulding plastics, and the cooperation is installed at the inside copper bar inserts of front die core 1, forms the drain pan of block terminal, be provided with a plurality of nest groove 201 on the rear die core 2, nest groove 201 is used for when the compound die, and the part that supplies the inserts punching press inserts, the width of nest groove 201 is greater than inserts inserting part 0.5-2.5mm for the inserts can produce certain reservation clearance with nest groove 201 inner wall after inserting, makes the punching press precision of inserts punching press part less, still can insert groove 201, need do to add in the reservation clearance simultaneously and glue and keep away the sky, and the raw materials gets into in nest groove 201 through the clearance when avoiding moulding plastics.
As a preferred embodiment, the part of the socket 201 is arc-shaped, and the arc is set as a fillet, specifically, after the arc-shaped part of the socket 201 is inserted by the insert, the socket 201 is away from one side of the edge of the insert, meanwhile, the stamping part of the insert needs to be consistent with the shape of the socket 201, and the fillet at the arc of the socket 201 is set to facilitate the insertion of the insert, and avoid causing wear when being inserted.
As a preferred embodiment, the front mold core 1 is provided with a plurality of protrusions 101, each protrusion 101 corresponds to the socket 201 one by one, the protrusions 101 are used for pressing the stamping part of the insert into the socket 201 and compressing the insert, and since the stamping part of the insert has a clearance reserved with the socket 201, the protrusions 101 do not need to be adjusted according to the precision of the insert, and meanwhile, the protrusions 101 can prevent a molten raw material from entering the stamping part of the insert during the injection molding process.
Specifically, this injection mold still includes first template 3 and second template 4, and first template 3 is used for installing front mould benevolence 1, and second template 4 is used for installing back mould benevolence 2, first template 3 and second template 4 can contact each other, and when first template 3 and second template 4 contact, front mould benevolence 1 and the cavity of moulding plastics of 2 formation of back mould benevolence that combine together can carry out the operation of moulding plastics, should set up four at least guide pillars on the second template 4, and first template 3 carries out relative movement through the guide pillar, accomplishes the combination of front mould benevolence 1 and back mould benevolence 2 and opens the action.
The first template 3 is further provided with a front fixing plate 5, the front fixing plate 5 is fixed with the first template 3, a sprue bush is embedded in the front fixing plate 5, an injection molding hole 51 is formed in the sprue bush, and a molten raw material can be fed into an injection molding cavity formed after the rear mold core 2 and the front mold core 1 are combined through the injection molding hole 51 to form a complete injection molding bottom shell.
On second template 4, still be provided with after-fixing board 6 and two mould feet 7, two mould feet 7 all are fixed with second template 4, and after-fixing board 6 is fixed in the one side that second template 4 was kept away from to two mould feet 7, and after-fixing board 6 and two mould feet 7 are used for fixing second template 4 to install to injection moulding device through after-fixing board 6.
In order to eject the injection molding from the injection molding cavity after the injection molding is molded, a thimble assembly 8 is further arranged, a plurality of thimble holes 202 are formed in the rear mold core 2, the thimble assembly 8 is arranged on the rear fixing plate 6 and inserted into each thimble hole 202, when the front mold core 1 and the rear mold core 2 are opened, the thimble assembly 8 can enter the rear mold core 2 through the thimble holes 202 and eject the injection molding out of the rear mold core 2, specifically, the thimble assembly 8 comprises a needle plate, a plurality of ejector rods, a plurality of support columns and a plurality of springs, the number of the support columns is at least four, the support columns are fixed on the rear fixing plate 6 through screws, one ends of the support columns, far away from the rear fixing plate 6, are fixed with the second mold plate 4, the needle plate can be slidably arranged on the support columns, the springs are arranged between the needle plate and the rear fixing plate 6, the ejector rods with the number of the thimble holes 202 are fixed on the needle plate, when the front mold core 1 and the rear mold core 2 are combined, the needle plate moves towards the rear fixing plate 6 through the direction of the support columns, and compresses the springs to compress the disc, otherwise, when the front mold core 1 and the rear mold core 2 is separated, the springs are reset, and the ejector rods are pushed out of the workpiece.
As a preferred embodiment, a plurality of insert flat surfaces 102 are arranged on the front mold core 1, the insert flat surfaces 102 are used for contacting inserts, in the prior art, a convex surface exists at the position where part of the copper bar contacts the front mold core 1, and in the forming process, the copper bar needs to be higher than the glue position by 1MM, but because the precision of the copper bar cannot meet the drawing requirement, the mold is easy to scrape the copper bar in the injection molding process of the mold, the quality of a workpiece is affected, the abrasion of the mold is increased, and the arranged insert flat surfaces 102 enable the copper bar of the injection molding part to be as flat as the surface of the copper bar, so that the copper bar can be completely wrapped, the copper bar is prevented from being scraped by the mold, and the service life of the mold is prolonged.
As a preferred embodiment, be provided with a plurality of reference column 11 on the front mould benevolence 1, reference column 11 is used for installing the inserts for the copper bar inserts, when installing in front mould benevolence 1, can directly insert the copper bar by reference column 11, fixes a position the copper bar, and what need notice needs trompil in advance on the copper bar, and the reference column 11 that every copper bar corresponds should be two at least, avoids the copper bar skew to influence the injection molding production qualification rate.
The utility model discloses a theory of operation does: before the operation of moulding plastics, arrange the copper bar on the frock tool and install, rethread robotic arm installation propelling movement copper is arranged in front mould benevolence 1, and fix the copper bar on front mould benevolence 1, this moment, front mould benevolence 1 carries out the compound die with back mould benevolence 2, the part punching press protrusion position on the copper bar inserts this moment, to insert nest inslot 201, do to glue through at copper bar inserts and nest inslot 201 clearance and keep away the sky, make the copper bar inserts not direct with the inner wall contact of nest groove 201, thereby avoid copper bar inserts stamping precision inadequately to lead to unable compound die, can send into the cavity of moulding plastics that produces behind the compound die with the melting raw materials behind the compound die, carry out integrated into one piece with copper bar inserts and melting raw materials, the copper bar inserts can effectively improve the bulk strength and the quality of shaping back work piece.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and should not be construed as limiting the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (9)
1. An injection mold for a bottom shell of an automobile distribution box with an insert comprises a front mold core (1) and a rear mold core (2), wherein,
the front die core (1) can be internally provided with an insert part on a molding workpiece;
the rear die core (2) can be combined with the front die core (1) and forms an injection molding cavity at the combined joint;
the method is characterized in that: the rear die core (2) is provided with a plurality of nest grooves (201), the nest grooves (201) are used for allowing the inserts to be partially inserted when the die is closed, and the width of the nest grooves (201) is larger than the insert inserting part by 0.5-2.5mm.
2. The injection mold for an automotive distribution box bottom shell with insert of claim 1, wherein: the part of the socket groove (201) is arc-shaped, and the arc is arranged in a round angle mode.
3. The injection mold for an automotive distribution box bottom shell with insert of claim 1, wherein: the front die core (1) is provided with a plurality of protrusions (101), the protrusions (101) correspond to the socket grooves (201) one by one, and the protrusions (101) are used for pressing the inserts into the socket grooves (201) locally and compressing the inserts.
4. The injection mold for an automotive distribution box bottom shell with insert of claim 1, wherein: also comprises a first template (3) and a second template (4), wherein,
the first template (3) is used for installing the front mold core (1);
the second template (4) is used for installing the rear die core (2), and the first template (3) and the second template (4) can be mutually contacted and move relatively perpendicular to the contact surface.
5. The injection mold for a bottom case of an automobile distribution box with an insert as claimed in claim 4, wherein: the injection molding die is characterized by further comprising a front fixing plate (5), wherein the front fixing plate (5) is fixed with the first template (3), an injection molding hole (51) is formed in the outer portion of the front fixing plate, and the injection molding hole (51) is used for enabling a molten raw material to enter an injection molding cavity formed after the rear die core (2) and the front die core (1) are combined.
6. The injection mold for a bottom case of an automobile distribution box with an insert as claimed in claim 4, wherein: also comprises a rear fixing plate (6) and two mould feet (7), wherein,
the two mould feet (7) are fixed with the second mould plate (4);
and the rear fixing plate (6) is fixed on one side of the two mold legs (7) far away from the second mold plate (4).
7. The injection mold for a bottom case of an automobile distribution box with an insert as claimed in claim 6, wherein: the injection molding die is characterized by further comprising ejector pin assemblies (8), wherein a plurality of ejector pin holes (202) are formed in the rear die core (2), the ejector pin assemblies (8) are arranged on the rear fixing plate (6) and are inserted into the ejector pin holes (202) to be used for ejecting the injection molding piece after the injection molding piece is molded.
8. The injection mold for a bottom case of an automobile distribution box with an insert as claimed in claim 1, wherein: the front die core (1) is provided with a plurality of insert flat surfaces (102), and the insert flat surfaces (102) are used for contacting inserts.
9. The injection mold for an automotive distribution box bottom shell with insert of claim 1, wherein: the front mold core (1) is provided with a plurality of positioning columns (11), and the positioning columns (11) are used for installing inserts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222247394.3U CN218576849U (en) | 2022-08-25 | 2022-08-25 | Take inserts automobile distribution box drain pan injection mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222247394.3U CN218576849U (en) | 2022-08-25 | 2022-08-25 | Take inserts automobile distribution box drain pan injection mold |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218576849U true CN218576849U (en) | 2023-03-07 |
Family
ID=85363155
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222247394.3U Active CN218576849U (en) | 2022-08-25 | 2022-08-25 | Take inserts automobile distribution box drain pan injection mold |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218576849U (en) |
-
2022
- 2022-08-25 CN CN202222247394.3U patent/CN218576849U/en active Active
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