CN215550602U - Structure of inboard BOSS post of mould shaping plastic casing - Google Patents
Structure of inboard BOSS post of mould shaping plastic casing Download PDFInfo
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- CN215550602U CN215550602U CN202121289894.2U CN202121289894U CN215550602U CN 215550602 U CN215550602 U CN 215550602U CN 202121289894 U CN202121289894 U CN 202121289894U CN 215550602 U CN215550602 U CN 215550602U
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Abstract
The utility model discloses a structure of a BOSS column on the inner side of a plastic shell formed by a mold, which is applied to the field of injection molds, and the technical scheme is as follows: the device comprises a fixed die assembly and a movable die assembly; the fixed die assembly comprises a fixed die plate, a fixed die core and a fixed die forming cavity; the movable mould component comprises a movable mould plate, a movable mould kernel and a shell forming block; one side of the shell forming block is provided with an installation forming side wall, a sliding groove is formed in the installation forming side wall, and a forming insert is matched in the sliding groove in a sliding mode; one side of the sliding groove, which is far away from the installation molding side wall, is a guide side wall; a sliding side wall attached to the guide side wall is arranged on the forming insert, and a forming hole and a forming column are arranged on one side of the forming insert, which faces the installation forming side wall; the inner side wall of the sliding groove is provided with a guide groove communicated with the sliding groove, and the forming insert is provided with a guide block inserted into the guide groove; the mold has the technical effects that the long shell, the boss column and the blind hole can be molded, and the product can be taken out after the mold is opened quickly.
Description
Technical Field
The utility model relates to the field of injection molds, in particular to a structure of a BOSS column on the inner side of a plastic shell formed by a mold.
Background
At present, chinese patent application with publication number CN107599316A discloses an injection mold, which includes an upper mold core, a lower mold core upper mold plate, and a lower mold plate stacked with the upper mold plate. The upper die core comprises a first butting surface, and a first positioning structure is formed on the first butting surface; the lower die core comprises a second butt joint surface opposite to the first butt joint surface, a second positioning structure is formed on the second butt joint surface, and the upper die core is matched and positioned with the second positioning structure of the lower die core through the first positioning structure. The first abutment surface connects the second abutment surface and together define a mold cavity. The upper die core is inserted in the upper die plate; the lower mold core is inserted in the lower mold plate. And a runner communicated with the mold cavity is formed on the upper template and the lower template.
Generally, an injection mold is used for processing plastic products in large-scale production, but the mold is usually opened in a left-right mold opening mode, as shown in fig. 1, a plastic shell 35 comprises a long cylindrical shell 36 and two boss columns 37 arranged in the long shell 36, blind holes 38 are formed in the two boss columns 37, and a side surface provided with the boss columns 37 is an installation surface 39.
Because the traditional plastic mold opens the mold in one direction, the inside of the traditional plastic mold is provided with the boss column, and the product with the hole formed in the boss column is difficult to process, so a solution is urgently needed to be provided.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a structure for molding a BOSS column on the inner side of a plastic shell by using a mold, which has the advantages that a long shell, the BOSS column and a blind hole can be molded, and a product can be taken out after the mold is opened quickly.
The technical purpose of the utility model is realized by the following technical scheme: a structure of a BOSS column on the inner side of a plastic shell formed by a mold comprises a fixed mold component and a movable mold component;
the fixed die assembly comprises a fixed die plate and a fixed die core arranged on the fixed die plate, and a fixed die forming cavity is formed in one side of the fixed die core, which faces the movable die assembly;
the movable die assembly comprises a movable die plate and a movable die core arranged on the movable die plate, and a shell forming block inserted into the fixed die forming cavity is arranged on the movable die core;
one side of the shell forming block is provided with a mounting forming side wall for forming a mounting surface,
the side wall of the installation molding is provided with a sliding groove, the sliding groove is arranged towards both sides of the fixed die assembly and the movable die assembly and is provided with an opening, and a molding insert is matched in the sliding groove in a sliding manner;
one side of the sliding groove, which is far away from the installation forming side wall, is a guide side wall, and one end of the guide side wall, which faces the movable template, is obliquely arranged in the direction close to the installation forming side wall;
the forming insert is provided with a sliding side wall attached to the guide side wall, and one side of the forming insert, which faces the installation forming side wall, is provided with a forming hole for forming a boss column and a forming column for forming a blind hole;
the side wall of the sliding groove is provided with a guide groove communicated with the sliding groove, the guide groove is arranged along the length direction of the side wall of the guide groove, and the forming insert is provided with a guide block inserted into the guide groove.
According to the technical scheme, the fixed die plate is used for installing the fixed die core, the movable die plate is used for installing the movable die core, and the fixed die forming cavity is matched with the shell forming block to form the plastic shell; installing the molding side wall for molding the side wall of the plastic shell facing the boss column, wherein the molding hole and the molding column on the molding insert are respectively used for molding the boss column and the blind hole; the sliding groove is used for accommodating the forming insert, and the matching of the guide side wall and the sliding side wall can well guide the forming insert to slide; the guide way is used for guiding the guide block to slide, and when the mould was opened the mould, the direction that the shaping mold insert orientation was close to the cover half subassembly was slided, and the shaping mold insert takes the product to break away from movable mould benevolence together, because the guide of guide way for the shaping mold insert slides along the direction of direction lateral wall, and this slides that also is the slope, thereby slides for the axis direction along the boss with the relative displacement of plastic housing, can realize the shaping of boss post to and the quick mould sinking gets a plastic housing.
The utility model is further configured to: one side of the movable template, which is far away from the fixed mold assembly, is connected with a discharging push plate in a sliding manner, one side of the molding insert, which faces the discharging push plate, is extended with a material pushing rod, and a driving pull rod for driving the material pushing rod to slide is arranged on the discharging push plate.
Through the technical scheme, the blanking push plate is used for installing the driving pull rod, and preferably, an ejector pin penetrating through the movable die core can also be installed on the blanking push plate so as to more stably push out the plastic shell; the driving pull rod is used for driving the material pushing rod to slide so as to drive the forming insert to slide when the plastic shell is pushed out, and drive the forming insert to be withdrawn into the sliding groove when the die is closed.
The utility model is further configured to: set up the evading through-hole that supplies the ejector pad pole to pass on the movable mould board, it has the mounting groove to elude the intercommunication in the through-hole, can dismantle in the mounting groove and be connected with the deflector, set up the bullport that sets up with the laminating of ejector pad pole lateral wall on the deflector.
Through above-mentioned technical scheme, the mounting groove is used for installing the deflector, and the bullport on the deflector is used for cooperating with the ejector pin to make the more stable slip of ejector pin, also make more stable the sliding of mold insert promptly.
The utility model is further configured to: one end of the driving pull rod, which faces the material pushing rod, is provided with a convex guide sliding groove, and the length direction of the guide sliding groove is parallel to the axial direction of the boost column;
and a convex hanging platform which is matched with the guide sliding groove in a sliding manner is arranged on the material pushing rod.
Through the technical scheme, the hanging table is in sliding fit with the guide sliding groove, so that the formed insert can be better guided to slide along the axial direction of the boss column; and the convex hanging table is matched with the guide sliding groove, so that the forming insert can be stably driven to slide.
The utility model is further configured to: and guide arc surfaces are arranged at two ends of the hanging table in the length direction.
Through above-mentioned technical scheme, the guide cambered surface is arranged in the guide and hangs the platform and slide in the spout for it is more convenient to install the ejector pin pole and drive the pull rod.
The utility model is further configured to: one side of the movable mould plate, which is far away from the movable mould core, is connected with a movable mould mounting plate, and a cushion block is arranged between the movable mould mounting plate and the movable mould plate;
and a return spring is arranged between the blanking push plate and the movable template.
Through above-mentioned technical scheme, the cushion is used for separating movable mould board and movable mould mounting panel and comes for be formed with the space that supplies the unloading push pedal to slide between movable mould board and the movable mould mounting panel, reset spring is used for driving the unloading push pedal and slides towards the direction of movable mould mounting panel, also drives the mold insert and resets to the groove that slides promptly.
The utility model is further configured to: the blanking device is characterized in that a blanking guide pillar extends from the movable die mounting plate to the direction of the movable die plate, a blanking guide sleeve matched with the blanking guide pillar is arranged on the blanking push plate, and an annular oil storage tank is formed in the outer side of the blanking guide pillar.
Through the technical scheme, the blanking guide pillar is matched with the blanking guide sleeve, so that the blanking push plate can more stably slide between the movable die mounting plate and the movable die plate; the oil storage tank is used for storing lubricating oil, and then the frictional force between better reduction unloading guide pillar and the unloading guide pin bushing for unloading push pedal more smooth and easy that slides.
The utility model is further configured to: the material pushing rod and the guide plate are both made of wear-resistant tool steel.
Through the technical scheme, the wear-resistant tool steel enables the material pushing rod and the guide plate to be wear-resistant, so that the material pushing rod is less worn along long-term sliding motion of the guide hole in the guide plate, and long-term guarantee accuracy of the material pushing rod is guaranteed to work.
In conclusion, the utility model has the following beneficial effects:
1. the forming hole and the forming column on the forming insert are respectively used for forming the boss column and the blind hole, and the guide groove is used for guiding the guide block on the forming insert to slide so as to enable the forming insert to slide towards the axial direction of the boss column relative to the plastic shell, thereby facilitating the demoulding of the plastic shell;
2. the hanging table on the pushing rod is inserted into the guide sliding groove on the driving pull rod, so that the driving pull rod can drive the pushing rod to slide along the die opening direction of the die, and meanwhile, the hanging table can slide along the length direction of the guide sliding groove, namely, along the axial direction of the boss column; can make the shaping mold insert both can slide along the die sinking direction, can slide along the compound die direction again for the drawing of patterns of being convenient for more of plastic housing, the compound die of the mould of also being convenient for.
Drawings
FIG. 1 is a schematic structural view of a plastic housing;
FIG. 2 is a schematic structural view of the stationary mold assembly of the present embodiment;
FIG. 3 is a schematic structural view of a movable mold assembly of the present embodiment;
FIG. 4 is a schematic structural view of the relationship between the slide groove and the insert;
FIG. 5 is an enlarged schematic view of portion A of FIG. 4;
FIG. 6 is a full cross-sectional view of FIG. 4 taken along the axis of the forming post;
FIG. 7 is a schematic structural diagram of the positional relationship between the return spring and the movable platen and between the return spring and the blanking push plate in the present embodiment;
FIG. 8 is a schematic structural view of the lifter bar and the guide plate of the present embodiment;
fig. 9 is a schematic view showing the mold insert and the guide plate of the present embodiment in an exploded state.
Reference numerals: 1. a stationary die assembly; 2. a movable die assembly; 3. fixing a template; 4. fixing a mold core; 5. fixing a mold forming cavity; 6. moving the template; 7. a movable mould core; 8. a housing forming block; 9. installing and forming a side wall; 10. a sliding groove; 11. forming the insert; 12. a guide side wall; 13. a sliding side wall; 14. forming holes; 15. forming a column; 16. blanking push plates; 17. a material pushing rod; 18. driving the pull rod; 19. avoiding the through hole; 20. mounting grooves; 21. a guide plate; 22. a guide hole; 23. a guide chute; 24. hanging a table; 25. guiding the arc surface; 27. cushion blocks; 28. a movable die mounting plate; 29. a return spring; 30. blanking guide pillars; 31. a blanking guide sleeve; 32. an oil storage tank; 33. a guide groove; 34. a guide block; 35. a plastic housing; 36. a long shell; 37. a boss column; 38. blind holes; 39. and (3) a mounting surface.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Example (b):
referring to fig. 2 and 3, the structure of the BOSS column on the inner side of the plastic shell formed by the mold comprises a fixed mold component 1 and a movable mold component 2, wherein the fixed mold component 1 comprises a fixed mold plate 3 and a fixed mold core 4 connected to the fixed mold plate 3 through a bolt, and a fixed mold forming cavity 5 is formed in one side, away from the fixed mold plate 3, of the fixed mold core 4.
Referring to fig. 2 and 3, the movable mold assembly 2 includes a movable mold plate 6 and a movable mold core 7 bolted to the movable mold plate 6, a housing forming block 8 extends from one side of the movable mold core 7 away from the movable mold plate 6, the housing forming block 8 is inserted into the fixed mold forming cavity 5 after mold closing, and a cavity for forming the plastic housing 35 (refer to fig. 1) is formed between the housing forming block 8 and the fixed mold forming cavity 5.
Referring to fig. 4, 5 and 6, one side of the housing forming block 8 is provided with an installation forming side wall 9 for forming the installation surface 39 (refer to fig. 1), the installation forming side wall 9 is provided with a sliding groove 10, the length direction of the sliding groove 10 is arranged along the mold opening direction, the sliding groove 10 is a through groove, and both sides of the sliding groove 10 facing the fixed mold plate 3 and the fixed mold plate 3 are provided with openings; the groove bottom wall of the sliding groove 10 is a guide side wall 12, and the guide side wall 12 is inclined towards the direction that one end of the movable die core 7 is close to the installation forming side wall 9. The guide way 33 has been seted up to the inslot wall that slides 10, and guide way 33 and the setting of sliding 10 intercommunication.
Referring to fig. 1, 4 and 5, a forming insert 11 is slidably fitted in the sliding groove 10, and a guide block 34 slidably fitted with the guide groove 33 is integrally formed on the forming insert 11; a molding hole 14 for molding the boss column 37 and a molding column 15 for molding the blind hole 38 are formed in one side of the mold insert 11, and a slide side wall 13 (see fig. 9) attached to the guide side wall 12 is formed in one side of the mold insert 11.
Referring to fig. 3 and 7, a side of the movable mold plate 6, which is away from the movable mold core 7, is provided with two cushion blocks 27, the two cushion blocks 27 are symmetrically arranged, a side of the cushion block 27, which is away from the movable mold plate 6, is provided with a movable mold mounting plate 28, a bolt penetrates through the movable mold mounting plate 28, and the bolt simultaneously penetrates through the cushion block 27 and is in threaded fit with the movable mold plate 6; a blanking guide post 30 is arranged between the movable die mounting plate 28 and the movable die plate 6, the blanking guide post 30 is in bolt connection with the movable die mounting plate 28, a positioning hole is formed in the movable die plate 6, and one end, far away from the movable die mounting plate 28, of the blanking guide post 30 is inserted into the positioning hole. An annular oil storage tank 32 is opened on the outer side of the blanking guide pillar 30, and lubricating oil is stored in the oil storage tank 32.
Referring to fig. 3 and 7, a blanking push plate 16 is arranged between the movable die plate 6 and the movable die mounting plate 28, the blanking push plate 16 is slidably arranged along the die opening direction, and a blanking guide sleeve 31 matched with a blanking guide pillar 30 is arranged on the blanking push plate 16; a return spring 29 is arranged between the blanking push plate 16 and the movable die plate 6, an accommodating hole for accommodating the return spring 29 is formed in the movable die plate 6, and one end of the return spring 29 is inserted into the accommodating hole. And a material pushing through hole is formed in the middle of the movable mold mounting plate 28 and is used for a piston rod of a material pushing cylinder on the injection molding machine to stretch into.
Referring to fig. 7, 8 and 9, a material pushing rod 17 extends from one end of the forming insert 11 toward the blanking push plate 16, an avoiding through hole 19 for the material pushing rod 17 to pass through is formed in the movable mold plate 6, the avoiding through hole 19 is communicated with an installation groove 20, a guide plate 21 is connected to the installation groove 20 in a threaded manner, and a guide hole 22 attached to the side wall of the material pushing rod 17 is formed in the guide plate 21; the guide hole 22 and the side wall of the material pushing rod 17 are arranged obliquely, and the inclination angle and the direction are consistent with those of the guide groove 33; the material pushing rod 17 and the guide plate 21 are both made of wear-resistant tool steel, so that the material pushing rod 17 is not easy to wear in long-term sliding use in the guide hole 22, and the guide hole 22 can guide the material pushing rod 17 to slide more stably.
Referring to fig. 7, 8 and 9, a driving pull rod 18 is bolted on one side of the blanking push plate 16 facing the movable die plate 6, and the driving pull rod 18 is detachably connected with the material pushing rod 17; a convex hanging table 24 is integrally formed at one end of the material pushing rod 17 facing the movable mould mounting plate 28, and a guide sliding groove 23 in sliding fit with the hanging table 24 is formed at one end of the driving pull rod 18 away from the blanking push plate 16; and the shape of the guide chute 23 is complementary to that of the hanging platform 24; both ends of the hanging table 24 in the length direction are provided with guide arc surfaces 25, and the guide arc surfaces 25 are used for guiding the hanging table 24 to slide into the guide sliding grooves 23.
The mold opening and closing process is briefly described as follows:
1. after the plastic shell 35 is molded, the fixed die component 1 and the movable die component 2 are separated under the driving of the injection molding machine, then a piston rod of a material pushing cylinder on the injection molding machine penetrates through a material pushing through hole to push the blanking push plate 16 to slide towards the direction far away from the movable die mounting plate 28, and a driving pull rod 18 on the blanking push plate 16 pushes the material pushing rod 17 and the molding insert 11 to slide; under the guidance of the guide hole 22, the material pushing rod 17 slides along the inclined direction relative to the movable die core 7, at the moment, the plastic shell 35 slides along the die opening direction, namely, the relative displacement of the forming insert 11 and the plastic shell 35 is the axial direction of the boss column 37, so that the forming insert 11 and the plastic shell 35 can be separated, and the plastic shell 35 can be taken down;
2. after the plastic shell 35 is taken out, the piston rod of the pushing cylinder is retracted, the blanking push plate 16 is restored to the state of being attached to the movable mold mounting plate 28 under the driving of the return spring 29, and meanwhile, the driving pull rod 18 on the blanking push plate 16 pulls the forming insert 11 to slide into the sliding groove 10, so that the forming insert 11 is restored to the position of the formed plastic shell 35.
The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications of the present embodiment without inventive contribution as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present invention.
Claims (8)
1. A structure of a BOSS column on the inner side of a plastic shell formed by a mold comprises a fixed mold component (1) and a movable mold component (2);
the fixed die assembly (1) is characterized by comprising a fixed die plate (3) and a fixed die core (4) arranged on the fixed die plate (3), wherein a fixed die forming cavity (5) is formed in one side, facing the movable die assembly (2), of the fixed die core (4);
the movable die assembly (2) comprises a movable die plate (6) and a movable die core (7) arranged on the movable die plate (6), and a shell forming block (8) inserted into the fixed die forming cavity (5) is arranged on the movable die core (7);
one side of the shell forming block (8) is provided with an installation forming side wall (9) for forming an installation surface (39),
the mounting and forming side wall (9) is provided with a sliding groove (10), the sliding groove (10) faces to both sides of the fixed die assembly (1) and the movable die assembly (2) and is provided with an opening, and a forming insert (11) is matched in the sliding groove (10) in a sliding manner;
one side, far away from the installation forming side wall (9), of the sliding groove (10) is a guide side wall (12), and the guide side wall (12) is obliquely arranged in the direction, close to the installation forming side wall (9), of one end, facing the movable template (6), of the guide side wall (12);
a sliding side wall (13) attached to the guide side wall (12) is arranged on the forming insert (11), and a forming hole (14) for forming a boss column (37) and a forming column (15) for forming a blind hole (38) are arranged on one side, facing the installation forming side wall (9), of the forming insert (11);
the inner side wall of the sliding groove (10) is provided with a guide groove (33) communicated with the sliding groove (10), the guide groove (33) is arranged along the length direction of the guide side wall (12), and the forming insert (11) is provided with a guide block (34) inserted into the guide groove (33).
2. The structure of the BOSS column on the inner side of the mold forming plastic shell according to claim 1, wherein a blanking push plate (16) is connected to one side of the movable mold plate (6) away from the fixed mold component (1) in a sliding manner, a material pushing rod (17) extends from one side of the forming insert (11) facing the blanking push plate (16), and a driving pull rod (18) for driving the material pushing rod (17) to slide is arranged on the blanking push plate (16).
3. The structure of the inside BOSS column of the mold forming plastic shell as claimed in claim 2, wherein the movable mold plate (6) is provided with an evasion through hole (19) for a material pushing rod (17) to pass through, the evasion through hole (19) is communicated with an installation groove (20), the installation groove (20) is detachably connected with a guide plate (21), and the guide plate (21) is provided with a guide hole (22) which is attached to a side wall of the material pushing rod (17).
4. The structure of the inside BOSS column of the mold forming plastic shell as claimed in claim 2, characterized in that the end of the driving pull rod (18) facing the material pushing rod (17) is provided with a convex guiding chute (23), and the length direction of the guiding chute (23) is parallel to the axial direction of the boost column;
and a convex hanging table (24) which is matched with the guide sliding groove (23) in a sliding manner is arranged on the material pushing rod (17).
5. The structure of the BOSS column at the inner side of the mold forming plastic shell as claimed in claim 4, wherein the hanging table (24) is provided with guide cambered surfaces (25) at both ends in the length direction.
6. The structure of the inside BOSS column of the mold forming plastic shell according to claim 2, characterized in that one side of the movable mold plate (6) far away from the movable mold core (7) is connected with a movable mold mounting plate (28), and a cushion block (27) is arranged between the movable mold mounting plate (28) and the movable mold plate (6);
and a return spring (29) is arranged between the blanking push plate (16) and the movable template (6).
7. The structure of the BOSS pillar inside the plastic mold shell as claimed in claim 6, wherein the movable mold mounting plate (28) extends a blanking guide pillar (30) towards the movable mold plate (6), the blanking push plate (16) is provided with a blanking guide sleeve (31) engaged with the blanking guide pillar (30), and an annular oil storage groove (32) is opened outside the blanking guide pillar (30).
8. The structure of the BOSS column at the inner side of the die-formed plastic shell as claimed in claim 3, wherein the ejector rod (17) and the guide plate (21) are both made of wear-resistant tool steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121289894.2U CN215550602U (en) | 2021-06-09 | 2021-06-09 | Structure of inboard BOSS post of mould shaping plastic casing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121289894.2U CN215550602U (en) | 2021-06-09 | 2021-06-09 | Structure of inboard BOSS post of mould shaping plastic casing |
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| CN215550602U true CN215550602U (en) | 2022-01-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202121289894.2U Active CN215550602U (en) | 2021-06-09 | 2021-06-09 | Structure of inboard BOSS post of mould shaping plastic casing |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117507256A (en) * | 2023-11-15 | 2024-02-06 | 东莞市现代精工实业有限公司 | Forming die of kettle expansion tank inferior valve |
-
2021
- 2021-06-09 CN CN202121289894.2U patent/CN215550602U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117507256A (en) * | 2023-11-15 | 2024-02-06 | 东莞市现代精工实业有限公司 | Forming die of kettle expansion tank inferior valve |
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