CN219213925U - Multistage linkage core-pulling forming mechanism of injection mold of electric vehicle tail box - Google Patents
Multistage linkage core-pulling forming mechanism of injection mold of electric vehicle tail box Download PDFInfo
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- CN219213925U CN219213925U CN202223558208.4U CN202223558208U CN219213925U CN 219213925 U CN219213925 U CN 219213925U CN 202223558208 U CN202223558208 U CN 202223558208U CN 219213925 U CN219213925 U CN 219213925U
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- 238000002347 injection Methods 0.000 title claims abstract description 23
- 239000007924 injection Substances 0.000 title claims abstract description 23
- 230000007246 mechanism Effects 0.000 title claims abstract description 21
- 238000007493 shaping process Methods 0.000 claims description 26
- 238000000465 moulding Methods 0.000 claims description 7
- 230000003014 reinforcing effect Effects 0.000 claims description 5
- 230000015572 biosynthetic process Effects 0.000 claims description 2
- 238000009434 installation Methods 0.000 description 5
- 210000005056 cell body Anatomy 0.000 description 2
- 238000001746 injection moulding Methods 0.000 description 2
- 238000007792 addition Methods 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Abstract
The utility model provides a multistage linkage core-pulling forming mechanism of an injection mold of an electric vehicle tail box, and belongs to the technical field of molds. The forming die comprises an upper die plate, a lower die plate and a forming die cavity, wherein the forming die cavity is formed by combining an upper forming surface arranged on the upper die plate and a lower forming surface arranged on the lower die plate, an annular outer edge forming part is arranged on the lower die plate in a protruding mode, and a forming insert is detachably connected to the inner side of the outer edge forming part. The self-core-pulling type ejection structure and the outer ejection structure are matched to apply thrust to the tail box from the inner side and the outer side of the tail box so as to eject products, the number of ejector rods required by ejection of the tail box can be greatly reduced, and the auxiliary oblique ejection structure is arranged between the self-core-pulling type ejection structure and the outer ejection structure so that stress of each position of the tail box in ejection is uniform.
Description
Technical Field
The utility model belongs to the technical field of molds, and relates to a multistage linkage core-pulling forming mechanism of an injection mold of an electric vehicle tail box.
Background
The electric motor car tail-box is generally through mould injection moulding, because the inner wall of electric motor car tail-box is the cambered surface generally or is similar to the shape of cambered surface, when ejecting, the thin ejector pin of linear type in the prior art can't eat the power on the product inner wall, and because area of contact is little, often need set up the ejecting of great quantity ejector pin just can realize the product, still has the risk that the product was damaged by the top.
For example, chinese patent discloses a boot lid injection mold [ application number: 202221518062.8, including the base, the upper end fixedly connected with lower bolster of base, be equipped with the die cavity in the middle of the upper end of lower bolster, be equipped with the drawing of patterns hole in the middle of the lower extreme of die cavity, the middle sliding connection in drawing of patterns hole has the drawing of patterns head, the up end and the die cavity inner wall smooth transition of drawing of patterns head, the lower extreme intermediate fixedly connected with spliced pole of drawing of patterns head, be equipped with the mounting hole in the middle of the lower extreme of lower bolster, the lower extreme of mounting hole runs through the lower bolster, mounting hole and drawing of patterns hole intercommunication, the upper end both sides of lower bolster all fixedly connected with barrier plate, the top of lower bolster is equipped with the cope match-plate pattern, fixedly connected with setting piece in the middle of the lower extreme of cope match-plate pattern, four corner fixedly connected with hydraulic stem in the setting piece just faces the die cavity, the power take off end and the cope match-plate pattern fixed connection of hydraulic stem, also have above-mentioned problem.
Disclosure of Invention
The utility model aims to solve the problems and provides a multistage linkage core-pulling forming mechanism of an injection mold of an electric vehicle trunk.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
the utility model provides an electric motor car tail-box injection mold multistage linkage forming mechanism that looses core, includes cope match-plate pattern, lower bolster and shaping chamber, shaping chamber by set up last shaping face on the cope match-plate pattern and set up the lower shaping face on the lower bolster and make up formation, the lower bolster on the protrusion be provided with and be annular outer edge shaping portion, outer edge shaping portion inboard detachable be connected with shaping mold insert, the lower bolster in be equipped with from core-pulling type ejection structure and supplementary to one side ejection structure, from core-pulling type ejection structure and supplementary to one side ejection structure set up in outer edge shaping portion inboard just outer edge shaping portion outside still be equipped with outer ejection structure, supplementary to one side ejection structure set up from core-pulling type ejection structure and outer ejection structure between.
In the multistage linkage core-pulling forming mechanism of the electric vehicle trunk injection mold, a rotating shaft mounting structure forming block for forming a rotating shaft mounting structure on the trunk is further arranged at the joint of the lower mold plate and the self-core-pulling ejection structure, a groove body forming block inserted into a forming cavity is formed in the middle of the rotating shaft mounting structure forming block, and rotating shaft mounting block forming grooves are formed in two sides of the groove body forming block respectively;
the self-core-pulling type ejection structure comprises two inclined ejection blocks, wherein the inclined ejection blocks are embedded into the forming insert and are connected with the forming cavity, rib forming structures which are inserted into a forming groove of the rotating shaft mounting block and can form reinforcing ribs on the rotating shaft mounting block are arranged on the inclined ejection blocks, and the inclined ejection blocks are connected with a push plate formed by the lower template through the inclined ejection rods.
In the multistage linkage core-pulling forming mechanism of the electric vehicle trunk injection mold, the two sides of the rotating shaft installation structure forming block are also provided with the translation core-pulling assemblies, each translation core-pulling assembly comprises a driver and a horizontal core rod, and each driver can drive the horizontal core rod to penetrate through the rotating shaft installation block forming groove and the rib forming structure and be inserted into the groove body forming block.
In the multistage linkage core-pulling forming mechanism of the electric vehicle trunk injection mold, the rib forming structure comprises a plurality of rib forming blocks, and rib forming grooves are formed between adjacent rib forming blocks.
In the multistage linkage core-pulling forming mechanism of the electric vehicle trunk injection mold, the auxiliary inclined ejection structure comprises two second inclined ejection blocks, and the second inclined ejection blocks are embedded into the forming insert and are connected with the push plate through second inclined ejector rods.
In the multistage linkage core-pulling forming mechanism of the electric vehicle trunk injection mold, the outer ejection structure comprises two straight ejector blocks, the inner ends of the straight ejector blocks are arc-shaped and are propped against the bottom of the outer side wall of the outer edge forming part, and the straight ejector blocks are connected with the push plate through a plurality of straight ejector rods.
Compared with the prior art, the utility model has the advantages that:
1. the self-core-pulling type ejection structure and the outer ejection structure are matched to apply thrust to the tail box from the inner side and the outer side of the tail box so as to eject products, the number of ejector rods required by ejection of the tail box can be greatly reduced, and the auxiliary oblique ejection structure is arranged between the self-core-pulling type ejection structure and the outer ejection structure so that stress of each position of the tail box in ejection is uniform.
2. The shaft mounting structure shaping piece can be when the boot is moulded plastics the cell body that is used for installing the pivot on the boot, and the shaft mounting block shaping groove of shaft mounting structure shaping piece both sides can be at cell body both sides shaping two pivot installation pieces.
3. The push pedal upwards moves and can drive the oblique ejector pin and remove along the incline direction and consequently can drive the oblique ejector block and remove, and the oblique ejector block removes and can promote the tail-box and remove and thereby can cooperate outer ejecting structure with the product ejecting, and the oblique ejector block removes along the slant upwards and can follow the horizontal direction with rib shaping structure and follow in the pivot installation piece shaping groove and take out when ejecting the product, realizes automatic core pulling, need not to additionally set up core pulling mechanism, can effectively reduce cost.
Additional advantages, objects, and features of the utility model will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the utility model.
Drawings
FIG. 1 is a cross-sectional view of the present utility model;
FIG. 2 is a schematic diagram of the lower die plate when the tail box is not ejected;
FIG. 3 is a schematic view of the structure of the lower die plate after ejection of the tail box;
FIG. 4 is a schematic view of the structure of the lower die plate without the molding insert installed;
fig. 5 is a partial structural schematic of the present utility model.
Detailed Description
As shown in fig. 1-5, the multistage linkage core-pulling forming mechanism of the electric vehicle trunk injection mold comprises an upper mold plate 1, a lower mold plate 2 and a forming cavity 3, wherein the forming cavity 3 is formed by combining an upper forming surface arranged on the upper mold plate 1 and a lower forming surface arranged on the lower mold plate 2, an annular outer edge forming part 4 is arranged on the lower mold plate 2 in a protruding mode, a forming insert 5 is detachably connected to the inner side of the outer edge forming part 4, a self-pulling core-pulling ejection structure 6 and an auxiliary inclined ejection structure 7 are arranged in the lower mold plate 2, the self-pulling core-pulling ejection structure 6 and the auxiliary inclined ejection structure 7 are arranged on the inner side of the outer edge forming part 4, an outer ejection structure is further arranged on the outer side of the outer edge forming part 4, and the auxiliary inclined ejection structure 7 is arranged between the self-pulling core-pulling ejection structure 6 and the outer ejection structure.
According to the utility model, the self-core-pulling type ejection structure 6 and the outer ejection structure are matched to apply thrust to the tail box from the inner side and the outer side of the tail box so as to eject the product, the number of ejector rods required by ejecting the tail box can be greatly reduced, and the auxiliary inclined ejection structure 7 is arranged between the self-core-pulling type ejection structure 6 and the outer ejection structure so that the stress of each position of the tail box during ejection can be uniform.
Preferably, as shown in fig. 1-5, a rotating shaft mounting structure forming block 9 for forming a rotating shaft mounting structure on the tail box 8 is further arranged at the joint of the lower die plate 2 and the self-pulling type ejection structure 6, a groove body forming block 10 inserted into the forming cavity 3 is arranged in the middle of the rotating shaft mounting structure forming block 9, and rotating shaft mounting block forming grooves 11 are formed on two sides of the groove body forming block 10 respectively; the shaft mounting structure forming block 9 can form a groove body for mounting a shaft on the tail box when the tail box is injection molded, and the shaft mounting block forming grooves 11 on two sides of the shaft mounting structure forming block 9 can form two shaft mounting blocks on two sides of the groove body.
Specifically, referring to fig. 1-5, the self-core-pulling type ejection structure 6 includes two first inclined ejector blocks 12, the first inclined ejector blocks 12 are embedded into the forming insert 5 and are connected with the forming cavity 3, the first inclined ejector blocks 12 are provided with rib forming structures which are inserted into the rotating shaft mounting block forming grooves 11 and can form reinforcing ribs on the rotating shaft mounting blocks 13, and the first inclined ejector blocks 12 are connected with the push plate 15 formed on the lower die plate 2 through first inclined ejector rods 14. The push pedal 15 upwards moves and can drive the oblique ejector pin and remove along the incline direction and consequently can drive the oblique ejector block and remove, and the oblique ejector block removes and can promote the tail-box and remove and push away the product with the outer ejecting structure of cooperation, and the oblique ejector block removes along the slant upwards and can follow the horizontal direction with rib shaping structure and follow in the pivot installation piece shaping groove 11 and take out when ejecting the product, realizes automatic core-pulling, need not to set up additional core-pulling mechanism, can effectively reduce cost.
Preferably, two sides of the forming block 9 of the shaft mounting structure are also provided with translation core-pulling components, each translation core-pulling component comprises a driver and a horizontal core rod 20, and the drivers can drive the horizontal core rods 20 to penetrate through the forming grooves 11 of the shaft mounting block and the rib forming structures and insert into the forming blocks 10 of the groove body. The horizontal core rod 20 can form a shaft mounting hole in the shaft mounting block formed in the shaft mounting block forming groove 11 during injection molding of the trunk, so that drilling after molding of the trunk is not required.
Preferably, the rib forming structure includes a plurality of rib forming blocks 16, and rib forming grooves are formed between adjacent rib forming blocks 16. The rib forming blocks are inserted into the rotating shaft mounting block forming grooves 11, and then a plurality of reinforcing ribs can be formed on the rotating shaft mounting block through the rib forming grooves.
Specifically, the auxiliary inclined ejection structure 7 comprises two second inclined ejection blocks 17, the second inclined ejection blocks 17 are embedded into the forming insert 5 and are connected with the push plate 15 through second inclined ejection rods 18, the outer ejection structure comprises two straight ejection blocks 19, the inner ends of the straight ejection blocks 19 are arc-shaped and are abutted against the bottom of the outer side wall of the outer edge forming part 4, and the straight ejection blocks 19 are connected with the push plate 15 through a plurality of straight ejection rods. When the push plate moves upwards, the second inclined ejector rod 18 and the plurality of straight ejector rods can drive the second inclined ejector block 17 and the straight ejector block 19 to synchronously move, and the product can be ejected without damage by matching with the self-core-pulling type ejection structure 6.
The working principle of the utility model is as follows: the self-core-pulling type ejection structure 6 and the outer ejection structure are matched to apply thrust to the tail box from the inner side and the outer side of the tail box so as to eject the product, the number of ejector rods required by ejection of the tail box can be greatly reduced, and the auxiliary inclined ejection structure 7 is arranged between the self-core-pulling type ejection structure 6 and the outer ejection structure so that the stress of each position of the tail box during ejection is uniform;
the rotary shaft mounting structure forming block 9 can form a groove body for mounting a rotary shaft on the tail box when the tail box is injection molded, the rotary shaft mounting block forming grooves 11 on two sides of the rotary shaft mounting structure forming block 9 can form two rotary shaft mounting blocks on two sides of the groove body, the push plate 15 can drive the first inclined ejection rod to move along the inclined direction so as to drive the first inclined ejection block to move, the first inclined ejection block can push the tail box to move so as to push the product out by matching with the outer ejection structure, the first inclined ejection block can eject the product while the rib forming structure is pulled out from the rotary shaft mounting block forming grooves 11 along the horizontal direction in an inclined upward moving manner, automatic core pulling is realized, a core pulling mechanism is not required to be additionally arranged, cost can be effectively reduced, the horizontal core rod 20 can form a rotary shaft mounting hole on the rotary shaft mounting block formed in the rotary shaft mounting block forming grooves 11 when the tail box is injection molded, therefore, a plurality of rib forming blocks can be inserted into the rotary shaft mounting block forming grooves 11 to form a plurality of reinforcing ribs through the rib forming grooves after the tail box is not required to be injection molded;
when the push plate moves upwards, the second inclined ejector rod 18 and the plurality of straight ejector rods can drive the second inclined ejector block 17 and the straight ejector block 19 to synchronously move, and the product can be ejected without damage by matching with the self-core-pulling type ejection structure 6.
The specific embodiments described herein are offered by way of example only to illustrate the spirit of the utility model. Those skilled in the art may make various modifications or additions to the described embodiments or substitutions thereof without departing from the spirit of the utility model or exceeding the scope of the utility model as defined in the accompanying claims.
Claims (6)
1. The utility model provides an electric motor car tail-box injection mold multistage linkage forming mechanism that looses core, includes cope match-plate pattern (1), lower bolster (2) and shaping chamber (3), its characterized in that, shaping chamber (3) by set up last shaping face on cope match-plate pattern (1) and set up the lower shaping face combination formation on lower bolster (2), lower bolster (2) on the protrusion be provided with and be annular outer edge shaping portion (4), outer edge shaping portion (4) inboard detachable be connected with shaping insert (5), lower bolster (2) in be equipped with from core ejecting structure (6) and supplementary oblique ejection structure (7), from core ejecting structure (6) and supplementary oblique ejection structure (7) set up in outer edge shaping portion (4) inboard just outer edge shaping portion (4) outside still be equipped with outer ejection structure, supplementary oblique ejection structure (7) set up from core ejecting structure (6) and outer ejection structure between.
2. The multistage linkage core-pulling forming mechanism of the injection mold of the electric vehicle trunk according to claim 1, wherein a rotating shaft mounting structure forming block (9) for forming a rotating shaft mounting structure on the trunk (8) is further arranged at the joint of the lower template (2) and the self-pulling type ejection structure (6), a groove body forming block (10) inserted into the forming cavity (3) is arranged in the middle of the rotating shaft mounting structure forming block (9), and rotating shaft mounting block forming grooves (11) are formed on two sides of the groove body forming block (10);
the self-core-pulling type ejection structure (6) comprises two inclined ejection blocks (12), wherein the inclined ejection blocks (12) are embedded into a forming insert (5) and are connected with a forming cavity (3), rib forming structures which are inserted into a rotating shaft mounting block forming groove (11) and can form reinforcing ribs on the rotating shaft mounting block (13) are arranged on the inclined ejection blocks (12), and the inclined ejection blocks (12) are connected with a push plate (15) formed by a lower template (2) through inclined ejection rods (14).
3. The multistage linkage core pulling forming mechanism of the injection mold of the electric vehicle trunk according to claim 2, wherein two sides of the forming block (9) of the rotating shaft mounting structure are further provided with translation core pulling components, the translation core pulling components comprise a driver and a horizontal core rod (20), and the driver can drive the horizontal core rod (20) to penetrate through the forming groove (11) of the rotating shaft mounting structure and the rib forming structure and be inserted into the groove body forming block (10).
4. The multistage linkage core pulling molding mechanism of the injection mold of the electric vehicle trunk according to claim 2, wherein the rib molding structure comprises a plurality of rib molding blocks (16), and rib molding grooves are formed between adjacent rib molding blocks (16).
5. The multistage linkage core pulling forming mechanism of the electric vehicle trunk injection mold according to claim 2, wherein the auxiliary inclined ejection structure (7) comprises two second inclined ejection blocks (17), and the second inclined ejection blocks (17) are embedded into the forming insert (5) and are connected with the push plate (15) through second inclined ejection rods (18).
6. The multistage linkage core pulling forming mechanism of the electric vehicle trunk injection mold according to claim 2, wherein the outer ejection structure comprises two straight ejector blocks (19), the inner ends of the straight ejector blocks (19) are arc-shaped and are propped against the bottom of the outer side wall of the outer edge forming part (4), and the straight ejector blocks (19) are connected with the push plate (15) through a plurality of straight ejector rods.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223558208.4U CN219213925U (en) | 2022-12-27 | 2022-12-27 | Multistage linkage core-pulling forming mechanism of injection mold of electric vehicle tail box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223558208.4U CN219213925U (en) | 2022-12-27 | 2022-12-27 | Multistage linkage core-pulling forming mechanism of injection mold of electric vehicle tail box |
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| Publication Number | Publication Date |
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| CN219213925U true CN219213925U (en) | 2023-06-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202223558208.4U Active CN219213925U (en) | 2022-12-27 | 2022-12-27 | Multistage linkage core-pulling forming mechanism of injection mold of electric vehicle tail box |
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| CN (1) | CN219213925U (en) |
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