CN221417334U - Combined demoulding mechanism of back-off internal parting automobile bumper mould - Google Patents
Combined demoulding mechanism of back-off internal parting automobile bumper mould Download PDFInfo
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- CN221417334U CN221417334U CN202323473582.9U CN202323473582U CN221417334U CN 221417334 U CN221417334 U CN 221417334U CN 202323473582 U CN202323473582 U CN 202323473582U CN 221417334 U CN221417334 U CN 221417334U
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- demoulding mechanism
- ejector
- bumper
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- 238000007493 shaping process Methods 0.000 claims description 2
- 238000001746 injection moulding Methods 0.000 abstract description 4
- 238000000465 moulding Methods 0.000 abstract 1
- 230000000712 assembly Effects 0.000 description 4
- 238000000429 assembly Methods 0.000 description 4
- 238000002347 injection Methods 0.000 description 4
- 239000007924 injection Substances 0.000 description 4
- 238000012423 maintenance Methods 0.000 description 2
- 238000007792 addition Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model provides a combined demoulding mechanism for a mould of an inverted-buckle internal parting automobile bumper, and belongs to the technical field of moulds. The mold comprises a lower mold plate, wherein a molding cavity formed by a detachable insert structure and two inclined top insert structures is arranged on the lower mold plate, and the two inclined top insert structures are symmetrically arranged along the central line of the detachable insert structure. After the product injection molding, the top plate can upwards move to apply thrust to the middle position of the bumper product through the straight inclined ejector component, and can also apply oblique upwards thrust to the side part of the bumper product through a plurality of side inclined ejector rods and side inclined ejector blocks, when the side inclined ejector blocks move upwards in an inclined manner, the movable core pulling component can horizontally inwards move and separate from the back-off of the side part of the bumper product, and then the horizontal outwards moves to apply outward thrust to the side part of the product so that the back-off part outwards moves for a certain distance and the side inclined ejector blocks are thoroughly separated, thereby reducing the damage probability when the product is ejected.
Description
Technical Field
The utility model belongs to the technical field of dies, and relates to a combined demoulding mechanism for a back-off internal parting automobile bumper die.
Background
The plastic automobile bumper is generally formed through injection molding, when the automobile bumper is injection molded, the back-off is formed at the parting surfaces of the two sides of the mold, in the prior art, the plastic part is generally forced to eject by the elasticity of the plastic part, but the risk of damaging the back-off with small probability exists.
For example, chinese patent discloses an automobile bumper die [ application number: 201621240873.0] comprising a die body, the die body is provided with a hole opening mechanism at the position of the bumper, the hole opening mechanism comprises a cylindrical accommodating hole arranged on the die body, a hole opening column for opening the hole is arranged in the accommodating hole, and a locking mechanism for locking the hole opening column and completely accommodating the hole opening column is arranged between the hole opening column and the accommodating hole.
Disclosure of utility model
The utility model aims to solve the problems and provides a combined demoulding mechanism for a back-off internal parting automobile bumper mould.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
The utility model provides a mould combination formula demoulding mechanism in type car bumper in back-off, includes the lower bolster, the lower bolster on be provided with the shaping chamber of constituteing by dismantling mold insert structure and two oblique top mold insert structures, two oblique top mold insert structures set up along the central line symmetry of dismantling mold insert structure, the lower bolster downside be provided with the roof, the roof on be provided with the straight oblique top ejecting subassembly corresponding with dismantling mold insert structure, oblique top mold insert structure include the oblique ejector block of side, the oblique ejector block of side link to each other through a plurality of oblique ejector pins of side and roof, the oblique ejector block of side on still be equipped with movable core pulling assembly.
In the combined demoulding mechanism of the back-off internal parting automobile bumper mould, the movable core pulling assembly comprises three movable inserts arranged on the side inclined jacking blocks, the outer end surfaces of the movable inserts are flush with the outer surfaces of the side inclined jacking blocks and are in sliding fit with the side inclined jacking blocks, and the movable inserts are connected with the detachable insert structure through a sliding guide structure.
In the combined demoulding mechanism of the back-off internal parting automobile bumper mould, the sliding guide structure comprises a guide seat fixed on the detachable insert structure, the guide seat is provided with a guide block of an internal moving section and an external moving section, the movable insert is fixedly connected with a horizontal connecting rod, the horizontal connecting rod is in sliding fit with the movable insert, the internal moving section is positioned at the lower side of the external moving section, and when the outer end surface of the movable insert and the outer surface of the lateral oblique ejector block are level, the joint of the horizontal connecting rod and the guide seat is positioned at the lower side of the internal moving section.
In the back-off internal parting automobile bumper mould combined demoulding mechanism, the detachable insert structure comprises a detachable insert fixedly connected with the lower mould plate through a plurality of bolts.
In the back-off internal parting automobile bumper mould combined demoulding mechanism, an inclined guide structure is further arranged between the detachable insert and the side inclined jacking block.
In the back-off internal parting automobile bumper mould combined demoulding mechanism, the inclined guide structure comprises an inclined guide plate fixed on the detachable insert through a plurality of screws, and the inclined guide plate is inserted into an inclined guide groove at the side part of the side inclined ejector block.
In the back-off internal parting automobile bumper mould combined demoulding mechanism, the lower side of the top plate is also provided with the bottom plate, and the bottom plate is also provided with the inclined ejector rod guide structure for limiting the inclined ejector rod.
In the combined demoulding mechanism of the back-off internal parting automobile bumper mould, the inclined ejector rod guide structure comprises an inclined guide rod fixed on the bottom plate, the inclined guide rod is parallel to the side inclined ejector rod, the bottom end of the side inclined ejector rod is fixedly connected with an adapter, the adapter is rotationally connected with a sliding sleeve, the sliding sleeve is in sliding fit with the inclined guide rod, and the top plate is further provided with an adapter limiting structure.
In the combined demoulding mechanism of the back-off internal parting automobile bumper mould, the adapter limiting structure comprises a limiting seat with a horizontal limiting groove, and the adapter is arranged in the horizontal limiting groove and is in sliding fit with the limiting seat.
In the combined demoulding mechanism of the back-off internal parting automobile bumper mould, the straight inclined ejection assembly comprises a plurality of middle inclined ejection blocks and a plurality of straight ejection blocks, wherein the middle inclined ejection blocks are arranged in the detachable insert, the middle inclined ejection blocks are hinged with the top plate through middle inclined ejection rods, and the straight ejection blocks are fixedly connected with the top plate through the straight ejection rods.
Compared with the prior art, the utility model has the advantages that:
1. The forming cavity formed by the detachable insert structure and the two inclined ejection insert structures can be used for injection molding of an automobile bumper product, after the automobile bumper product is injection molded, the top plate can be moved upwards to apply thrust to the middle position of the bumper product through the straight inclined ejection assembly, and can also apply inclined upwards thrust to the side part of the bumper product through the side inclined ejection assemblies, when the side inclined ejection assemblies move upwards in an inclined manner, the movable core pulling assembly can be moved inwards horizontally and separated from the back-off of the side part of the bumper product, and then the outward thrust is applied to the side part of the product in a horizontal outward manner, so that the back-off part is moved outwards for a distance and the side inclined ejection assemblies are thoroughly separated, and the damage probability of the product during ejection is reduced.
2. When the side inclined jacking block moves upwards, the horizontal connecting rod connected with the movable insert moves upwards along the guide block on the guide seat, when the horizontal connecting rod moves upwards from bottom to top on the inner moving section of the guide block, the horizontal connecting rod can drive the movable insert to move inwards horizontally so as to separate the movable insert from the back-off of the side part of the bumper product, and when the horizontal connecting rod moves upwards from bottom to top on the outer moving section of the guide block, the horizontal connecting rod can drive the movable insert to move outwards horizontally so as to apply an outward thrust to the side part of the product so as to enable the back-off part to move outwards for a distance and thoroughly separate the side inclined jacking block.
3. When the top plate moves upwards, the switching piece can be driven to move upwards through the limiting seat, the sliding sleeve and the inclined guide rod can guide the switching piece, so that the inclined side ejector rod can be limited, and the limiting seat can limit the switching piece.
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 schematic view of the overall structure of a lower die plate;
FIG. 2 is a schematic view of a partial structure of the lower die plate;
FIG. 3 is a schematic view of the structure of a straight and angled ejector assembly;
FIG. 4 is a schematic structural view of a pitched roof insert configuration;
fig. 5 is a schematic structural view of the mobile core back assembly.
In the figure, a lower die plate 1, a detachable insert structure 2, an inclined top insert structure 3, a top plate 4, a straight inclined top ejection assembly 5, a side inclined top block 6, a side inclined top rod 7, a movable core pulling assembly 8, a movable insert 9, a guide seat 10, an inner moving section 11, an outer moving section 12, a guide block 13, a horizontal connecting rod 14, a detachable insert 15, an inclined guide plate 16, a bottom plate 17, an inclined guide rod 18, an adapter 19, a sliding sleeve 20, a limiting seat 21, a middle inclined top block 22 and a straight top block 23.
Detailed Description
As shown in fig. 1-5, a combined demoulding mechanism for a back-off internal parting automobile bumper mould comprises a lower template 1, wherein a forming cavity consisting of a detachable insert structure 2 and two inclined top insert structures 3 is formed in the lower template 1, the two inclined top insert structures 3 are symmetrically arranged along the central line of the detachable insert structure 2, a top plate 4 is arranged on the lower side of the lower template 1, a straight inclined top ejection assembly 5 corresponding to the detachable insert structure 2 is arranged on the top plate 4, the inclined top insert structures 3 comprise inclined top blocks 6, the inclined top blocks 6 are connected with the top plate 4 through a plurality of inclined top rods 7, and movable core-pulling assemblies 8 are further arranged on the inclined top blocks 6.
According to the utility model, the forming cavity formed by the detachable insert structure 2 and the two inclined top insert structures 3 can be used for injection molding of an automobile bumper product, after the product is injection molded, the top plate 4 can be moved upwards to apply thrust to the middle position of the bumper product through the straight inclined top ejection assembly 5, and can also apply inclined upwards thrust to the side part of the bumper product through the plurality of inclined side ejector rods 7 to the inclined side ejector blocks 6, so that the movable core pulling assembly 8 can be moved inwards horizontally and separated from the back-off of the side part of the bumper product while the inclined side ejector blocks 6 are moved upwards, and then the outward thrust is applied to the side part of the product horizontally to enable the back-off part to be moved outwards for a certain distance and the inclined side ejector blocks to be thoroughly separated, thereby reducing the damage probability during product ejection.
Specifically speaking, the movable core pulling assembly 8 comprises three movable inserts 9 arranged on the side inclined ejector blocks 6, the outer end surfaces of the movable inserts 9 are flush with the outer surfaces of the side inclined ejector blocks 6 and are in sliding fit with the side inclined ejector blocks 6, the movable inserts 9 are connected with the detachable insert structure 2 through a sliding guide structure, the sliding guide structure comprises a guide seat 10 fixed on the detachable insert structure 2, the guide seat 10 is provided with a guide block 13 with an inner moving section 11 and an outer moving section 12, the movable inserts 9 are fixedly connected with a horizontal connecting rod 14, the horizontal connecting rod 14 is in sliding fit with the movable inserts 9, the inner moving section 11 is located on the lower side of the outer moving section 12, and when the outer end surfaces of the movable inserts 9 are flush with the outer surfaces of the side inclined ejector blocks 6, the connecting rod 14 and the guide seat 10 are connected on the lower side of the inner moving section 11. When the side inclined jacking block 6 moves upwards, the horizontal connecting rod 14 connected with the movable insert 9 moves upwards along the guide block 13 on the guide seat 10, when the horizontal connecting rod 1 moves upwards from bottom to top on the inner moving section 11 of the guide block 13, the movable insert 9 can be driven to move inwards horizontally so as to separate the movable insert 9 from the back-off of the side part of the bumper product, and when the horizontal connecting rod 1 moves upwards from bottom to top on the outer moving section 12 of the guide block 13, the movable insert 9 can be driven to move outwards horizontally so as to apply an outward thrust to the side part of the product so as to enable the back-off part to move outwards for a distance and thoroughly separate the side inclined jacking block.
Specifically, the removable insert structure 2 includes a removable insert 15 that is fixedly attached to the lower die plate 1 by a plurality of bolts, and the removable insert can reduce replacement and maintenance costs when the lower die plate is damaged.
Preferably, as shown in fig. 1-5, an inclined guide structure is further arranged between the detachable insert 15 and the side inclined top block 6, the inclined guide structure comprises an inclined guide plate 16 fixed on the detachable insert 15 through a plurality of screws, and the inclined guide plate 16 is inserted into an inclined guide groove at the side part of the side inclined top block 6. The inclined guide plate 16 on the detachable insert 15 can limit the side inclined jacking block when the side inclined jacking block 6 moves.
Preferably, the roof 4 downside still is equipped with bottom plate 17, bottom plate 17 on still be equipped with the oblique ejector pin guide structure that is used for carrying out spacing to the oblique ejector pin 7 of side, oblique ejector pin guide structure including fixing the oblique guide bar 18 on bottom plate 17, oblique guide bar 18 and the oblique ejector pin 7 of side parallel, oblique ejector pin 7 of side end fixedly connected with adaptor 19, the rotation is connected with sliding sleeve 20 on the adaptor 19, sliding sleeve 20 and oblique guide bar 18 sliding fit, roof 4 on still be equipped with adaptor limit structure, adaptor limit structure includes the spacing seat 21 that has horizontal spacing groove, adaptor 19 set up in horizontal spacing inslot and with spacing seat 21 sliding fit. When the top plate moves upwards, the adaptor 19 can be driven to move upwards through the limiting seat 21, the sliding sleeve 20 and the inclined guide rod 18 can guide the adaptor, so that the inclined ejector rod 7 can be limited, and the limiting seat 21 can limit the adaptor 19.
Specifically, the straight and inclined ejection assembly 5 comprises a plurality of middle inclined ejection blocks 22 and a plurality of straight ejection blocks 23, wherein the middle inclined ejection blocks 22 and the straight ejection blocks 23 are arranged in the detachable insert 15, the middle inclined ejection blocks 22 are hinged with the top plate 4 through middle inclined ejection rods, and the straight ejection blocks 23 are fixedly connected with the top plate 4 through straight ejection rods. When the top plate moves upwards, the middle inclined top block can be driven to move upwards obliquely through the middle inclined top rod, so that oblique upward thrust is applied to the middle position of the bumper product, and the straight top block can be driven to move upwards vertically through the straight top rod, so that vertical upward thrust is applied to the middle position of the bumper product.
The working principle of the utility model is as follows: after the automobile bumper product is injection molded, the top plate 4 can upwards move to apply thrust to the middle position of the bumper product through the straight inclined ejector assembly 5, and can also apply inclined upwards thrust to the side part of the bumper product through the side inclined ejector rods 6 by the side inclined ejector rods 7, and when the side inclined ejector rods 6 move upwards in an inclined manner, the movable core pulling assembly 8 can horizontally inwards move and be separated from the back-off of the side part of the bumper product, and then the outward thrust is applied to the side part of the product in a horizontal outward manner to enable the back-off part to outwards move for a certain distance and the side inclined ejector rods to be thoroughly separated, so that the damage probability of the product during ejection is reduced;
When the side inclined jacking block 6 moves upwards, the horizontal connecting rod 14 connected with the movable insert 9 moves upwards along the guide block 13 on the guide seat 10, when the horizontal connecting rod 1 moves on the inner section 11 of the guide block 13 from bottom to top, the movable insert 9 can be driven to move inwards horizontally so as to separate the movable insert 9 from the back-off of the side part of the bumper product, and when the horizontal connecting rod 1 moves on the outer section 12 of the guide block 13 from bottom to top, the movable insert 9 can be driven to move outwards horizontally so as to apply an outward thrust to the side part of the product so as to enable the back-off part to move outwards for a distance and the side inclined jacking block to be thoroughly separated;
the replacement and maintenance cost when the lower die plate is damaged can be reduced by adopting the detachable insert, the inclined guide plate 16 on the detachable insert 15 can limit the inclined ejector block on the side when the inclined ejector block 6 moves, the adapter 19 can be driven to move upwards through the limiting seat 21 when the top plate moves upwards, the sliding sleeve 20 and the inclined guide rod 18 can guide the adapter to limit the inclined ejector rod 7, the limiting seat 21 can limit the adapter 19, and when the top plate moves upwards, the middle inclined ejector rod can drive the middle inclined ejector block to move upwards obliquely so as to apply inclined upward thrust to the middle position of a bumper product, and the straight ejector rod can drive the straight ejector block to move upwards vertically so as to apply vertical upward thrust to the middle position of the bumper product.
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.
Although the lower die plate 1, the removable insert structure 2, the pitched roof insert structure 3, the top plate 4, the straight pitched roof ejector assembly 5, the side pitched roof block 6, the side pitched roof bar 7, the mobile core pulling assembly 8, the mobile insert 9, the guide shoe 10, the inner shift 11, the outer shift 12, the guide shoe 13, the horizontal link 14, the removable insert 15, the pitched guide plate 16, the bottom plate 17, the pitched guide bar 18, the adapter 19, the sliding sleeve 20, the limit shoe 21, the middle pitched roof block 22, the straight roof block 23, and the like are used more herein, these terms are used only for more convenience in describing and explaining the essence of the present utility model; they are to be interpreted as any additional limitation that is not inconsistent with the spirit of the present utility model.
Claims (10)
1. The utility model provides a mould combination formula demoulding mechanism in type car bumper in back-off, includes lower bolster (1), its characterized in that, lower bolster (1) on be provided with the shaping chamber of constituteing by dismantling mold insert structure (2) and two oblique top mold insert structures (3), two oblique top mold insert structures (3) set up along the central line symmetry of dismantling mold insert structure (2), lower bolster (1) downside be provided with roof (4), roof (4) on be provided with the corresponding straight oblique top ejection subassembly (5) of dismantling mold insert structure (2), oblique top mold insert structures (3) include oblique kicking block (6) of side, oblique kicking block (6) link to each other through a plurality of oblique ejector pins (7) of side and roof (4), oblique kicking block (6) on still be equipped with movable core-pulling subassembly (8).
2. The combined demoulding mechanism for the back-off internal parting bumper mould according to claim 1, wherein the movable core pulling assembly (8) comprises three movable inserts (9) arranged on the side inclined jacking block (6), the outer end surfaces of the movable inserts (9) are flush with the outer surfaces of the side inclined jacking block (6) and are in sliding fit with the side inclined jacking block (6), and the movable inserts (9) are connected with the detachable insert structure (2) through a sliding guide structure.
3. The combined demoulding mechanism for the inverted-buckle internal-mould-parting automobile bumper is characterized in that the sliding guide structure comprises a guide seat (10) fixed on the detachable insert structure (2), the guide seat (10) is provided with a guide block (13) with an internal moving section (11) and an external moving section (12), the movable insert (9) is fixedly connected with a horizontal connecting rod (14), the horizontal connecting rod (14) is in sliding fit with the movable insert (9), the internal moving section (11) is positioned at the lower side of the external moving section (12), and when the outer end face of the movable insert (9) is level with the outer surface of the side inclined ejector block (6), the joint of the horizontal connecting rod (14) and the guide seat (10) is positioned at the lower side of the internal moving section (11).
4. The combined demoulding mechanism for the back-off internal parting car bumper mould according to claim 1, wherein the detachable insert structure (2) comprises a detachable insert (15) fixedly connected with the lower mould plate (1) through a plurality of bolts.
5. The combined demoulding mechanism for the back-off internal parting car bumper mould according to claim 4, wherein an oblique guiding structure is further arranged between the detachable insert (15) and the side oblique jacking block (6).
6. The combined demoulding mechanism for the back-off internal parting bumper mould according to claim 5, wherein the inclined guide structure comprises an inclined guide plate (16) fixed on the detachable insert (15) through a plurality of screws, and the inclined guide plate (16) is inserted into an inclined guide groove at the side part of the side inclined ejector block (6).
7. The combined demoulding mechanism for the back-off internal parting automobile bumper mould according to claim 1, wherein a bottom plate (17) is further arranged on the lower side of the top plate (4), and an inclined ejector rod guide structure for limiting the inclined ejector rod (7) is further arranged on the bottom plate (17).
8. The combined demoulding mechanism for the inverted-buckle internal-mould-parting automobile bumper mould according to claim 7, wherein the inclined ejector rod guide structure comprises an inclined guide rod (18) fixed on a bottom plate (17), the inclined guide rod (18) is parallel to the side inclined ejector rod (7), an adapter (19) is fixedly connected to the bottom end of the side inclined ejector rod (7), a sliding sleeve (20) is rotatably connected to the adapter (19), the sliding sleeve (20) is in sliding fit with the inclined guide rod (18), and an adapter limiting structure is further arranged on the top plate (4).
9. The combined demoulding mechanism for the inverted-buckle internal-mould-parting automobile bumper according to claim 8, wherein the adapter limiting structure comprises a limiting seat (21) with a horizontal limiting groove, and the adapter (19) is arranged in the horizontal limiting groove and is in sliding fit with the limiting seat (21).
10. The combined demoulding mechanism for the back-off internal parting bumper mould according to claim 4, wherein the straight-inclined ejection assembly (5) comprises a plurality of middle inclined ejector blocks (22) and a plurality of straight ejector blocks (23) which are arranged in the detachable insert (15), the middle inclined ejector blocks (22) are hinged with the top plate (4) through middle inclined ejector rods, and the straight ejector blocks (23) are fixedly connected with the top plate (4) through straight ejector rods.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323473582.9U CN221417334U (en) | 2023-12-19 | 2023-12-19 | Combined demoulding mechanism of back-off internal parting automobile bumper mould |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323473582.9U CN221417334U (en) | 2023-12-19 | 2023-12-19 | Combined demoulding mechanism of back-off internal parting automobile bumper mould |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221417334U true CN221417334U (en) | 2024-07-26 |
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ID=91974604
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323473582.9U Active CN221417334U (en) | 2023-12-19 | 2023-12-19 | Combined demoulding mechanism of back-off internal parting automobile bumper mould |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221417334U (en) |
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2023
- 2023-12-19 CN CN202323473582.9U patent/CN221417334U/en active Active
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