CN220095344U - Oblique sliding ejection mechanism of automobile threshold plaque injection mold - Google Patents
Oblique sliding ejection mechanism of automobile threshold plaque injection mold Download PDFInfo
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- CN220095344U CN220095344U CN202320883095.0U CN202320883095U CN220095344U CN 220095344 U CN220095344 U CN 220095344U CN 202320883095 U CN202320883095 U CN 202320883095U CN 220095344 U CN220095344 U CN 220095344U
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- 238000002347 injection Methods 0.000 title claims abstract description 27
- 239000007924 injection Substances 0.000 title claims abstract description 27
- 238000007493 shaping process Methods 0.000 claims abstract description 10
- 238000000465 moulding Methods 0.000 claims description 13
- 230000000149 penetrating effect Effects 0.000 claims 1
- 238000005452 bending Methods 0.000 abstract description 23
- 238000001746 injection moulding Methods 0.000 abstract description 9
- 238000007792 addition Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model provides an oblique sliding ejection mechanism of an injection mold for an automobile threshold plaque, and belongs to the technical field of molds. The forming cavity is characterized by comprising an upper die plate and a lower die plate, wherein two forming cavities with V-shaped cross sections are symmetrically arranged between the upper die plate and the lower die plate, the end part of each forming cavity is further provided with an inclined core pulling structure, and a bottom plate is further arranged on the lower side of the lower die plate. Two shaping chambeies that the cross-section is the V type can once injection moulding two threshold products that are the V type, after accomplishing the injection moulding, lift assembly can drive ejector pin fixed plate and follow vertical direction and go up and down, the ejector pin fixed plate rises and can push out the threshold product through the ejecting subassembly of straight oblique top combination formula, before the product is ejecting, the ejecting subassembly of oblique slip can exert thrust to the bending position of threshold product, makes the bending position and the lower bolster of threshold product break away from to the bending position of threshold product can not appear damaging because of adhesion with the lower bolster is too tight when ejecting.
Description
Technical Field
The utility model belongs to the technical field of molds, and relates to an oblique sliding ejection mechanism of an injection mold for a car threshold plaque.
Background
The general injection molding of car threshold plaque, the threshold plaque need be ejecting through ejection mechanism with the product after injection molding, but when ejecting, because the joint strength of the bending position of threshold plaque and lower bolster is too big, lead to the bending position damage of threshold plaque very easily.
If chinese patent discloses a forming die of threshold plaque behind car [ application number: 202020425449.3 the ejector mechanism comprises a primary ejector mechanism for ejecting the reinforcing ribs on the inner surface of the automobile rear doorsill trim panel and a secondary ejector mechanism for ejecting the whole molded product; the primary ejection mechanism is located below the secondary ejection mechanism, and a lock device for preventing disengagement when the mold is closed is provided between the primary ejection mechanism and the secondary ejection mechanism, but the above-described problem also exists.
Disclosure of Invention
The utility model aims to solve the problems and provides an oblique sliding ejection mechanism of an injection mold for a car threshold plaque.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
the utility model provides an automobile threshold plaque injection mold oblique slip ejection mechanism, includes cope match-plate pattern and lower bolster, cope match-plate pattern and lower bolster between the symmetry be provided with two cross-sections and be the shaping chamber of V type, shaping chamber tip still be provided with slope core-pulling structure, the lower bolster downside still be equipped with the bottom plate, the bottom plate on still be equipped with the ejector pin fixed plate through lifting assembly driven, ejector pin fixed plate on be equipped with the straight oblique ejection combination formula ejection subassembly that links to each other with the shaping chamber, lower bolster and bottom plate between still be equipped with two backup pads, the backup pad on be equipped with the oblique slip ejection subassembly that links to each other with the shaping chamber.
In the oblique sliding ejection mechanism of the automobile threshold plaque injection mold, the oblique sliding ejection assembly comprises the driving oil cylinder fixed on the supporting plate, the driving oil cylinder is provided with the output shaft which is obliquely arranged, the end part of the output shaft of the driving oil cylinder is fixedly connected with the oblique sliding ejection block which penetrates through the lower die plate and is connected with the forming cavity, and the driving oil cylinder can drive the oblique sliding ejection block to linearly reciprocate along the oblique direction.
In the oblique sliding ejection mechanism of the automobile threshold plaque injection mold, the joint of the oblique sliding ejector block and the molding cavity is vertically arranged.
In the oblique sliding ejection mechanism of the automobile threshold plaque injection mold, a section of gap is formed between the driving oil cylinder and the ejector rod fixing plate.
In the oblique sliding ejection mechanism of the automobile threshold plaque injection mold, the straight oblique ejection combined ejection assembly comprises a plurality of oblique ejection blocks connected with the ejector rod fixing plate through oblique ejector rods and a plurality of straight ejection blocks connected with the ejector rod fixing plate through straight ejector rods, and the oblique ejector rods are hinged with the ejector rod fixing plate.
In the oblique sliding ejection mechanism of the automobile threshold plaque injection mold, the oblique ejection block is arranged outside the forming cavity, and the straight ejection block is arranged inside the forming cavity.
In the oblique sliding ejection mechanism of the automobile threshold plaque injection mold, the lifting assembly comprises four lifting cylinders fixed on the side part of the lower template, the lifting cylinders are vertically arranged, four lifting plates corresponding to the lifting cylinders are horizontally connected to the ejector rod fixing plate, and the lifting plates are connected with the output shafts of the lifting cylinders.
In the oblique sliding ejection mechanism of the automobile threshold plaque injection mold, the supporting plate is provided with the limiting sliding groove connected with the lifting plate.
In the oblique sliding ejection mechanism of the automobile threshold plaque injection mold, the lifting plate is horizontally provided with the connecting groove with the T-shaped section, the outer end of the connecting groove penetrates through the lifting plate, and the end part of the output shaft of the lifting oil cylinder is fixedly connected with the connector which is in sliding connection with the connecting groove.
In the oblique sliding ejection mechanism of the automobile threshold plaque injection mold, the oblique core-pulling structure comprises a core-pulling sliding block which is in sliding connection with the lower template, the core-pulling sliding block is obliquely arranged, a core block which is inserted into the side part of the forming cavity is fixedly connected in the core-pulling sliding block, and a core-pulling driving rod which is inserted into the core-pulling sliding block is fixedly connected on the upper template.
Compared with the prior art, the utility model has the advantages that:
1. two shaping chambeies that the cross-section is the V type can once injection moulding two threshold products that are the V type, after accomplishing the injection moulding, lift assembly can drive ejector pin fixed plate and follow vertical direction and go up and down, the ejector pin fixed plate rises and can push out the threshold product through the ejecting subassembly of straight oblique top combination formula, before the product is ejecting, the ejecting subassembly of oblique slip can exert thrust to the bending position of threshold product, makes the bending position and the lower bolster of threshold product break away from to the bending position of threshold product can not appear damaging because of adhesion with the lower bolster is too tight when ejecting.
2. The driving oil cylinder can drive the oblique sliding top block to linearly reciprocate along the oblique direction, so that thrust can be applied to the bending part of the threshold product, the bending part of the threshold product is separated from the lower template, and damage to the bending part of the threshold product due to overtightening adhesion with the lower template is prevented.
3. The ejector rod fixing plate moves upwards to eject the threshold product through the inclined ejector block connected with the inclined ejector rod and the straight ejector block connected with the straight ejector rod, and the straight ejector block and the inclined ejector block are matched to uniformly apply thrust to all positions of the threshold product, so that the product can be prevented from being damaged.
4. The inclined core-pulling structure can automatically pull the core when the upper template and the lower template are separated, a driver is not required to be additionally arranged to realize core pulling, and the die cost can be effectively reduced.
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 external structure of the present utility model;
FIG. 2 is a schematic view of the structure of the lower die plate;
FIG. 3 is a schematic view of the structure of a straight and angled roof combined ejection assembly;
fig. 4 is an enlarged schematic view at a in fig. 3.
In the figure, an upper template 1, a lower template 2, a forming cavity 3, an inclined core pulling structure 4, a bottom plate 5, an ejector rod fixing plate 6, a supporting plate 7, an inclined sliding ejection assembly 8, a driving oil cylinder 9, an inclined sliding ejection block 10, an inclined ejection rod 11, an inclined ejection block 12, a straight ejector rod 13, a straight ejection block 14, a lifting oil cylinder 15, a lifting plate 16, a limiting sliding groove 17, a connecting groove 18, a connecting head 19, a core pulling sliding block 20, a core block 21 and a core pulling driving rod 22.
Detailed Description
As shown in fig. 1-4, an oblique sliding ejection mechanism of an injection mold for a car threshold plaque comprises an upper mold plate 1 and a lower mold plate 2, wherein two molding cavities 3 with V-shaped cross sections are symmetrically arranged between the upper mold plate 1 and the lower mold plate 2, an oblique core pulling structure 4 is further arranged at the end part of each molding cavity 3, a bottom plate 5 is further arranged at the lower side of the lower mold plate 2, a top rod fixing plate 6 driven by a lifting assembly is further arranged on the bottom plate 5, a straight oblique top combined ejection assembly connected with the molding cavity 3 is arranged on the top rod fixing plate 6, two supporting plates 7 are further arranged between the lower mold plate 2 and the bottom plate 5, and an oblique sliding ejection assembly 8 connected with the molding cavities 3 is arranged on each supporting plate 7.
According to the utility model, two V-shaped threshold products can be molded by one-step injection of the two V-shaped molding cavities 3, after injection molding is finished, the lifting assembly can drive the ejector rod fixing plate to lift in the vertical direction, the ejector rod fixing plate can lift up to eject the threshold products through the straight-inclined-ejection combined ejection assembly, and before the products are ejected, the inclined-sliding ejection assembly can apply thrust to the bending parts of the threshold products, so that the bending parts of the threshold products are separated from the lower template, and the bending parts of the threshold products cannot be damaged due to adhesion and overtightening with the lower template during ejection.
The inclined core-pulling structure 4 can automatically pull the core when the upper template and the lower template are separated, a driver is not required to be additionally arranged to realize core pulling, and the die cost can be effectively reduced.
Specifically speaking, the oblique sliding ejection assembly 8 comprises a driving oil cylinder 9 fixed on the supporting plate 7, the driving oil cylinder 9 is provided with an output shaft which is obliquely arranged, the end part of the output shaft of the driving oil cylinder 9 is fixedly connected with an oblique sliding ejection block 10 which penetrates through the lower die plate 2 and is connected with the forming cavity 3, and the driving oil cylinder 9 can drive the oblique sliding ejection block 10 to linearly reciprocate along the oblique direction. The driving oil cylinder 9 can drive the oblique sliding top block to linearly reciprocate along the oblique direction, so that thrust can be applied to the bending part of the threshold product, the bending part of the threshold product is separated from the lower template, and damage to the bending part of the threshold product due to adhesion with the lower template is prevented.
Specifically, the connection between the inclined sliding top block 10 and the forming cavity 3 is vertically arranged.
Specifically, a gap is provided between the drive cylinder 9 and the jack fixing plate 6.
Specifically, referring to fig. 2-4, the combined ejection assembly for straight and inclined ejection includes a plurality of inclined ejection blocks 12 connected to the ejector rod fixing plate 6 through inclined ejector rods 11, and a plurality of straight ejection blocks 14 connected to the ejector rod fixing plate 6 through straight ejector rods 13, wherein the inclined ejector rods 11 are hinged to the ejector rod fixing plate 6. The inclined jacking block 12 is arranged outside the forming cavity 3, and the straight jacking block 14 is arranged inside the forming cavity 3. The ejector rod fixing plate moves upwards to eject the threshold product through the inclined ejector block connected with the inclined ejector rod and the straight ejector block connected with the straight ejector rod, and the straight ejector block and the inclined ejector block are matched to uniformly apply thrust to all positions of the threshold product, so that the product can be prevented from being damaged.
Specifically, referring to fig. 1-3, the lifting assembly includes four lifting cylinders 15 fixed on the side of the lower template 2, the lifting cylinders 15 are vertically arranged, four lifting plates 16 corresponding to the lifting cylinders 15 are horizontally connected to the ejector rod fixing plate 6, and the lifting plates 16 are connected to the output shaft of the lifting cylinders 15. The four lifting cylinders can synchronously act to drive the ejector rod fixing plate to lift along the vertical direction through the lifting plate.
Preferably, the supporting plate 7 is provided with a limit chute 17 connected with the lifting plate 16. The limiting sliding groove can limit the lifting plate.
Preferably, the lifting plate 16 is horizontally provided with a connecting groove 18 with a T-shaped section, the outer end of the connecting groove 18 penetrates through the lifting plate 16, and the end part of an output shaft of the lifting cylinder 15 is fixedly connected with a connector 19 which is in sliding connection with the connecting groove 18. The cross section is T and one end runs through the spread groove cooperation connector of lifter plate can make things convenient for lift cylinder and lifter plate to dismantle.
Specifically, referring to fig. 2, the inclined core-pulling structure 4 includes a core-pulling slider 20 slidably connected with the lower mold plate 2, the core-pulling slider 20 is obliquely disposed, a core block 21 inserted into a side portion of the molding cavity 3 is fixedly connected to the inner end of the core-pulling slider 20, and a core-pulling driving rod 22 inserted into the core-pulling slider 20 is fixedly connected to the upper mold plate 1. When the upper template moves to one side far away from the lower template, the core pulling driving rod fixed at the bottom of the upper template can drive the core pulling sliding block to move to one side far away from the forming cavity, and the core pulling sliding block can drive the core block to move so as to separate the core block from a product.
The working principle of the utility model is as follows: the two molding cavities 3 with the V-shaped sections can be used for one-step injection molding of two V-shaped threshold products, after injection molding is finished, the lifting assembly can drive the ejector rod fixing plate to lift in the vertical direction, the ejector rod fixing plate can lift the threshold products through the straight-inclined-ejection combined ejection assembly, and before the products are ejected, the inclined-sliding ejection assembly can apply thrust to the bending parts of the threshold products, so that the bending parts of the threshold products are separated from the lower template, and the bending parts of the threshold products cannot be damaged due to adhesion and overtightening with the lower template during ejection;
the inclined core pulling structure 4 can realize automatic core pulling when the upper template and the lower template are separated, a driver is not required to be additionally arranged to realize core pulling, the die cost can be effectively reduced, the driving oil cylinder 9 can drive the inclined sliding ejector block to linearly reciprocate along the inclined direction, so that thrust can be applied to the bending part of the threshold product, the bending part of the threshold product and the lower template are separated, damage to the bending part of the threshold product caused by overtightening of the lower template is prevented, the ejector rod fixing plate moves upwards, the threshold product can be ejected through the inclined ejector block connected with the inclined ejector rod and the straight ejector block connected with the straight ejector rod, the straight ejector block and the inclined ejector block can uniformly apply thrust to each position of the threshold product, the product is prevented from being damaged, the four lifting oil cylinders can drive the ejector rod fixing plate to lift along the vertical direction through the lifting plate, the section is T-shaped, one end of the connecting groove of the lifting plate is matched with the connector, and the lifting oil cylinder and the lifting plate can be conveniently detached;
when the upper template moves to one side far away from the lower template, the core pulling driving rod fixed at the bottom of the upper template can drive the core pulling sliding block to move to one side far away from the forming cavity, and the core pulling sliding block can drive the core block to move so as to separate the core block from a 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 upper die plate 1, the lower die plate 2, the forming cavity 3, the inclined core-pulling structure 4, the bottom plate 5, the ejector fixing plate 6, the support plate 7, the inclined slide ejector assembly 8, the driving cylinder 9, the inclined slide ejector block 10, the inclined ejector rod 11, the inclined ejector block 12, the straight ejector rod 13, the straight ejector block 14, the lifting cylinder 15, the lifting plate 16, the limiting chute 17, the connecting slot 18, the connector 19, the core-pulling slider 20, the core block 21, the core-pulling driving rod 22, and the like are used more herein, these terms are used only for 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 an automobile threshold plaque injection mold oblique slip ejection mechanism, includes cope match-plate pattern (1) and lower bolster (2), its characterized in that, cope match-plate pattern (1) and lower bolster (2) between the symmetry be provided with two shaping chambeies (3) that the cross-section is the V type, shaping chamber (3) tip still be provided with slope core-pulling structure (4), lower bolster (2) downside still be equipped with bottom plate (5), bottom plate (5) on still be equipped with ejector pin fixed plate (6) through lifting assembly driven, ejector pin fixed plate (6) on be equipped with the straight oblique top combination formula ejection subassembly that links to each other with shaping chamber (3), lower bolster (2) and bottom plate (5) between still be equipped with two backup pads (7), backup pad (7) on be equipped with oblique slip ejection subassembly (8) that link to each other with shaping chamber (3).
2. The oblique sliding ejection mechanism of the automobile threshold plaque injection mold according to claim 1, wherein the oblique sliding ejection assembly (8) comprises a driving oil cylinder (9) fixed on the supporting plate (7), the driving oil cylinder (9) is provided with an output shaft which is obliquely arranged, an oblique sliding ejection block (10) penetrating through the lower die plate (2) and connected with the molding cavity (3) is fixedly connected to the end part of the output shaft of the driving oil cylinder (9), and the driving oil cylinder (9) can drive the oblique sliding ejection block (10) to linearly reciprocate along an oblique direction.
3. The oblique-sliding ejection mechanism of the automobile threshold plaque injection mold according to claim 2, wherein the joint of the oblique-sliding ejector block (10) and the molding cavity (3) is vertically arranged.
4. The oblique-sliding ejection mechanism of the automobile threshold plaque injection mold according to claim 2, wherein a gap is formed between the driving oil cylinder (9) and the ejector rod fixing plate (6).
5. The oblique sliding ejection mechanism of the automobile threshold plaque injection mold according to claim 1, wherein the straight oblique ejection combined ejection assembly comprises a plurality of oblique ejection blocks (12) connected with the ejector rod fixing plate (6) through oblique ejector rods (11) and a plurality of straight ejection blocks (14) connected with the ejector rod fixing plate (6) through straight ejector rods (13), and the oblique ejector rods (11) are hinged with the ejector rod fixing plate (6).
6. The oblique-sliding ejection mechanism of the automobile threshold plaque injection mold according to claim 5, wherein the oblique ejector block (12) is arranged outside the molding cavity (3), and the straight ejector block (14) is arranged inside the molding cavity (3).
7. The oblique-sliding ejection mechanism of the automobile threshold plaque injection mold according to claim 1, wherein the lifting assembly comprises four lifting cylinders (15) fixed on the side parts of the lower template (2), the lifting cylinders (15) are vertically arranged, four lifting plates (16) corresponding to the lifting cylinders (15) are horizontally connected to the ejector rod fixing plate (6), and the lifting plates (16) are connected with output shafts of the lifting cylinders (15).
8. The oblique sliding ejection mechanism of the automobile threshold plaque injection mold according to claim 7, wherein the supporting plate (7) is provided with a limiting chute (17) connected with the lifting plate (16).
9. The oblique sliding ejection mechanism of the automobile threshold plaque injection mold according to claim 8, wherein the lifting plate (16) is horizontally provided with a connecting groove (18) with a T-shaped section, the outer end of the connecting groove (18) penetrates through the lifting plate (16), and the end part of an output shaft of the lifting oil cylinder (15) is fixedly connected with a connector (19) which is in sliding connection with the connecting groove (18).
10. The oblique sliding ejection mechanism of the automobile threshold plaque injection mold according to claim 1, wherein the oblique core-pulling structure (4) comprises a core-pulling sliding block (20) which is in sliding connection with the lower mold plate (2), the core-pulling sliding block (20) is obliquely arranged, a core block (21) which is inserted into the side part of the molding cavity (3) is fixedly connected in the core-pulling sliding block (20), and a core-pulling driving rod (22) which is inserted into the core-pulling sliding block (20) is fixedly connected on the upper mold plate (1).
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320241255 | 2023-02-03 | ||
| CN2023202412551 | 2023-02-03 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220095344U true CN220095344U (en) | 2023-11-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320883095.0U Active CN220095344U (en) | 2023-02-03 | 2023-04-14 | Oblique sliding ejection mechanism of automobile threshold plaque injection mold |
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| Country | Link |
|---|---|
| CN (1) | CN220095344U (en) |
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2023
- 2023-04-14 CN CN202320883095.0U patent/CN220095344U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Oblique sliding ejection mechanism of injection mold for automotive door sill trim Granted publication date: 20231128 Pledgee: Bank of China Limited by Share Ltd. Huangyan branch Pledgor: Zhejiang Xiang'an Molding Co.,Ltd. Registration number: Y2024330000300 |