CN215512053U - High-precision die assembly anti-deviation automobile front bumper die - Google Patents
High-precision die assembly anti-deviation automobile front bumper die Download PDFInfo
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- CN215512053U CN215512053U CN202121291035.7U CN202121291035U CN215512053U CN 215512053 U CN215512053 U CN 215512053U CN 202121291035 U CN202121291035 U CN 202121291035U CN 215512053 U CN215512053 U CN 215512053U
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- die
- bumper
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- positioning block
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- 238000001746 injection moulding Methods 0.000 claims abstract description 22
- 238000000465 moulding Methods 0.000 claims description 32
- 239000000498 cooling water Substances 0.000 claims description 11
- 229920003023 plastic Polymers 0.000 abstract description 13
- 239000004033 plastic Substances 0.000 abstract description 13
- 238000000034 method Methods 0.000 abstract description 5
- 238000007493 shaping process Methods 0.000 description 12
- 150000001875 compounds Chemical class 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 238000002347 injection Methods 0.000 description 3
- 239000007924 injection Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000001816 cooling Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000007792 addition Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000012768 molten material Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
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Abstract
The utility model belongs to the technical field of dies, and particularly relates to a high-precision die assembly anti-deviation automobile front bumper die. The utility model comprises a bumper lower die and a bumper upper die, wherein a forming concave part is arranged at the bottom of the bumper upper die, a forming convex part is arranged in the bumper lower die, the forming concave part corresponds to the forming convex part in position and is matched in shape, and an external die aligning piece is arranged on the bumper lower die. According to the utility model, the outer die aligning piece and the inner die assembling positioning component are arranged, in the die assembling process, the outer die aligning piece is clamped and matched with the upper bumper die, so that the lower bumper die and the upper bumper die are aligned outside the die, and then the inner die assembling positioning component is abutted and matched with the upper bumper die so as to position the forming concave part and the forming convex part, so that a complete and accurate cavity is formed after the forming concave part is closely matched with the forming convex part, and the injection molding and plastic part forming precision is improved.
Description
Technical Field
The utility model belongs to the technical field of dies, and relates to a high-precision die assembly anti-deviation automobile front bumper die.
Background
As an indispensable component of an automobile, a front bumper of the automobile is increasingly demanded along with the increasing expansion of the automobile market. The existing automobile front bumper generally adopts an injection mold to carry out mass production and manufacture, and in the injection molding process of the automobile front bumper mold, an upper mold and a lower mold are easy to deviate during mold closing, so that an error exists in a bumper cavity in the injection molding process, and the injection molding and the molding accuracy of a plastic part are relatively general.
In order to overcome the defects of the prior art, people continuously explore and propose various solutions, for example, a chinese patent discloses an injection mold for an automobile bumper [ application number: 202010207923.X ], comprises a bottom needle plate arranged on the bottom plate, a surface needle plate is arranged on the bottom needle plate, and the bottom surface of the surface needle plate is abutted with a driving ejector rod of an injection molding machine which sequentially passes through the bottom plate and the bottom needle plate; the surface needle plate is provided with two large straight ejector push rods penetrating through the core, the top end of each large straight ejector push rod is provided with a large straight ejector, the lower ends of the two large straight ejector push rods are inserted into a slide block, the bottom surface of each slide block is in sliding contact with the working surface of the slide seat, the working surface of the slide seat is an inclined surface which is close to the inclined ejector block and is higher than the inclined ejector block and is far away from the inclined ejector block, and the inclined angle of the working surface of the slide seat is 20-22 degrees; the included angle between the inclined guide post and the push rod of the large straight ejector block is 7-9 degrees. Compared with the prior art, the utility model can solve the problem that the conventional automobile bumper injection mold cannot normally take the part after the injection molding production of the automobile bumper is completed. However, the upper die and the lower die are still easy to deviate when the die is closed, so that an error exists in the injection molding process of the bumper cavity, and the defects of common injection molding and plastic part molding accuracy exist.
Disclosure of Invention
The utility model aims to solve the problems and provides a high-precision die assembly anti-deviation automobile front bumper die.
In order to achieve the purpose, the utility model adopts the following technical scheme:
the utility model provides a car front bumper mould is prevented deviating from in high accuracy compound die, mould on bumper lower mould and bumper, the bumper go up the mould bottom and be equipped with the shaping concave part, the bumper lower mould in be equipped with the shaping convex part, the shaping concave part match with the corresponding and shape in position of shaping convex part and fit, the bumper lower mould on be equipped with the outer counterpoint piece of mould, the outer counterpoint piece of mould and bumper go up mould looks joint cooperation, the bumper lower mould in still be equipped with mould compound die locating component, mould compound die locating component and shaping convex part's position corresponding in the mould, mould compound die locating component and bumper on the mould looks butt cooperation.
In the high-precision die-closing anti-deviation automobile front bumper die, the in-die-closing positioning component comprises a left die-closing positioning block and a right die-closing positioning block which are arranged in the bumper lower die, and the forming convex part is positioned between the left die-closing positioning block and the right die-closing positioning block.
In the high-precision die-closing anti-deviation automobile front bumper die, the cross sectional area of the left die-closing positioning block is smaller than that of the right die-closing positioning block, a positioning block fixing frame is arranged on the bumper lower die, and the left die-closing positioning block and the right die-closing positioning block are respectively connected with the positioning block fixing frame. .
In the high-precision die-closing anti-deviation automobile front bumper die, the outer die aligning piece comprises a plurality of outer die aligning plates arranged on the lower bumper die, a plurality of outer die aligning grooves are formed in the upper bumper die, and the outer die aligning plates correspond to the outer die aligning grooves in position and are matched in shape.
In the high-precision die-closing anti-deviation automobile front bumper die, the forming concave part comprises a bumper forming concave cavity arranged at the bottom of an upper die of a bumper, the forming convex part comprises a bumper forming protrusion arranged in a lower die of the bumper, and the bumper forming protrusion is positioned between a left die-closing positioning block and a right die-closing positioning block.
In the high-precision die-closing anti-deviation automobile front bumper die, a plurality of cooling water channels are arranged in the upper bumper die, and correspond to the positions of the bumper forming concave cavities.
In the high-precision die-closing anti-deviation automobile front bumper die, the top of the bumper upper die is provided with the injection molding plate and the flow distribution plate, and the flow distribution plate is in butt fit with the bumper upper die.
In the high-precision die-closing anti-deviation automobile front bumper die, the ejector rod fixing plate is arranged below the bumper lower die, and a plurality of parallel ejector rods are arranged on the ejector rod fixing plate.
Compared with the prior art, the utility model has the advantages that:
1. according to the utility model, the outer die aligning piece and the inner die assembling positioning component are arranged, in the die assembling process, the outer die aligning piece is clamped and matched with the upper bumper die, so that the lower bumper die and the upper bumper die are aligned outside the die, and then the inner die assembling positioning component is abutted and matched with the upper bumper die so as to position the forming concave part and the forming convex part, so that a complete and accurate cavity is formed after the forming concave part is closely matched with the forming convex part, and the injection molding and plastic part forming precision is improved.
2. According to the utility model, the cross sectional area of the left die assembly positioning block is set to be smaller than that of the right die assembly positioning block, so that left and right positioning is clear, and the condition of left and right dislocation during operation is avoided.
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 an exploded schematic view of the present invention.
Fig. 2 is an exploded view in another aspect of the utility model.
Fig. 3 is a schematic structural view of a lower die of a bumper.
In the figure: the device comprises a bumper lower die 1, a bumper upper die 2, a molding concave part 3, a molding convex part 4, an outer die aligning piece 5, an inner die assembling positioning component 6, a left die assembling positioning block 7, a right die assembling positioning block 8, a positioning block fixing frame 9, an outer die aligning plate 10, an outer die aligning groove 11, a bumper molding concave cavity 12, a bumper molding protrusion 13, a cooling water channel 14, an injection molding plate 15, a flow distribution plate 16, an ejector rod fixing plate 17 and an ejector rod 18.
Detailed Description
The utility model is further described below with reference to the accompanying drawings.
As shown in fig. 1-3, a high-precision die-closing anti-deviation automobile front bumper die comprises a bumper lower die 1 and a bumper upper die 2, wherein a forming concave part 3 is arranged at the bottom of the bumper upper die 2, a forming convex part 4 is arranged in the bumper lower die 1, the forming concave part 3 corresponds to the forming convex part 4 in position and matches in shape, an outer die aligning part 5 is arranged on the bumper lower die 1, the outer die aligning part 5 is matched with the bumper upper die 2 in a clamping manner, an inner die-closing positioning component 6 is further arranged in the bumper lower die 1, the inner die-closing positioning component 6 corresponds to the forming convex part 4 in position, and the inner die-closing positioning component 6 is matched with the bumper upper die 2 in a butting manner.
In this embodiment, when moulding plastics, be close to each other bumper lower mould 1 and bumper upper mould 2 for shaping concave part 3 is close to with shaping convex part 4, at the compound die in-process, through the joint cooperation between mould outer counterpoint piece 5 and the bumper upper mould 2, carry out mould outer counterpoint with bumper lower mould 1 and bumper upper mould 2, rethread mould inner closing locating component 6 and the cooperation of the butt between the bumper upper mould 2, fix a position between shaping concave part 3 and the shaping convex part 4, ensure that shaping concave part 3 forms complete accurate die cavity after hugging closely the cooperation with shaping convex part 4 mutually, the mould plastics and a shaping precision of moulding plastics have been improved.
Referring to fig. 1 and 3, the in-mold clamping positioning assembly 6 includes a left-side mold clamping positioning block 7 and a right-side mold clamping positioning block 8 which are arranged in the bumper lower mold 1, and the molding protrusion 4 is located between the left-side mold clamping positioning block 7 and the right-side mold clamping positioning block 8.
Specifically, during mold closing, the left mold closing positioning block 7 and the right mold closing positioning block 8 are close to the bumper upper mold 2, the molding concave part 3 and the molding convex part 4 are positioned through matching between the left mold closing positioning block 7 and the right mold closing positioning block 8 and the bumper upper mold 2, a complete and accurate cavity is formed after the molding concave part 3 and the molding convex part 4 are closely matched, and injection molding and plastic part molding accuracy is improved.
Referring to fig. 1 and 3, the cross-sectional area of the left mold closing positioning block 7 is smaller than that of the right mold closing positioning block 8, a positioning block fixing frame 9 is arranged on the bumper lower mold 1, and the left mold closing positioning block 7 and the right mold closing positioning block 8 are respectively connected with the positioning block fixing frame 9.
In this embodiment, the cross-sectional area of the left mold closing positioning block 7 is smaller than that of the right mold closing positioning block 8, the left and right positioning is clear, and left and right dislocation during operation is avoided, and the positioning block fixing frame 9 is used for fixedly connecting the left mold closing positioning block 7 and the right mold closing positioning block 8.
The external die aligning piece 5 comprises a plurality of external die aligning plates 10 arranged on the lower bumper die 1, a plurality of external die aligning grooves 11 are arranged in the upper bumper die 2, and the external die aligning plates 10 correspond to the external die aligning grooves 11 in position and are matched in shape.
In the embodiment, in the process of die assembly, the die outer alignment plate 10 is inserted into the die outer alignment groove 11 to perform die outer alignment on the bumper lower die 1 and the bumper upper die 2, so that the alignment effect is good.
Referring to fig. 1, the molding concave portion 3 includes a bumper molding concave cavity 12 disposed at the bottom of the upper bumper mold 2, the molding convex portion 4 includes a bumper molding protrusion 13 disposed in the lower bumper mold 1, and the bumper molding protrusion 13 is located between the left mold closing positioning block 7 and the right mold closing positioning block 8.
In this embodiment, the bumper-forming cavity 12 and the bumper-forming protrusion 13 are close to each other to form a complete cavity when the molds are closed.
The upper bumper die 2 is internally provided with a plurality of cooling water channels 14, and the cooling water channels 14 correspond to the positions of the bumper forming cavities 12.
In this embodiment, after the completion of moulding plastics, pour into cooling water channel 14 in, mould 2 and mould the piece and cool off through cooling water channel 14 on the bumper, the cooling effect is better.
Referring to fig. 1 and 2, an injection molding plate 15 and a flow distribution plate 16 are arranged at the top of the upper bumper mold 2, and the flow distribution plate 16 is in abutting fit with the upper bumper mold 2.
In this embodiment, during injection molding, a molten material is injected from the injection molding plate 15, and then is divided by the flow dividing plate 16 and then enters the cavity to complete injection molding.
Referring to fig. 1 and 2, an ejector rod fixing plate 17 is arranged below the bumper lower die 1, and a plurality of ejector rods 18 parallel to each other are arranged on the ejector rod fixing plate 17.
In this embodiment, after the injection molding is completed, the ejector rod fixing plate 17 is moved, and the ejector rod 18 is driven by the ejector rod fixing plate 17 to eject the molded part.
The working principle of the utility model is as follows:
when in injection molding, the bumper lower die 1 and the bumper upper die 2 are close to each other, so that the bumper forming cavity 12 and the bumper forming protrusion 13 are close to each other to form a complete cavity, in the die assembly process, the bumper lower die 1 and the bumper upper die 2 are subjected to die outer alignment through the insertion of the die outer alignment plate 10 into the die outer alignment groove 11, the alignment effect is good, the molding concave part 3 and the molding convex part 4 are positioned through the matching between the left die assembly positioning block 7 and the right die assembly positioning block 8 and the bumper upper die 2, the molding concave part 3 and the molding convex part 4 are ensured to be closely matched to form a complete and accurate cavity, and the injection molding and plastic part molding precision is improved,
when moulding plastics, pour into the melting material from injection moulding plate 15, the rethread shunt board 16 is shunted and is gone into the die cavity after, accomplishes and moulds plastics, and after the completion of moulding plastics, pour into cooling water channel 14 in, mould 2 and mould the piece and cool off on the bumper through cooling water channel 14, the cooling effect is better, removes ejector pin fixed plate 17 again, through ejector pin fixed plate 17 drive ejector pin 18 will mould the piece ejecting can.
The specific embodiments described herein are merely illustrative of the spirit of the utility model. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit of the utility model.
Although terms such as lower bumper die 1, upper bumper die 2, forming recess 3, forming protrusion 4, outer die alignment member 5, inner die positioning assembly 6, left die positioning block 7, right die positioning block 8, positioning block holder 9, outer die alignment plate 10, outer die alignment groove 11, bumper forming cavity 12, bumper forming protrusion 13, cooling water channel 14, injection molding plate 15, spreader plate 16, ejector bar fixing plate 17, ejector bar 18, etc. are used more herein, the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention and they are to be interpreted as any additional limitation which is not in accordance with the spirit of the present invention.
Claims (8)
1. A high-precision die assembly anti-deviation automobile front bumper die comprises a bumper lower die (1) and a bumper upper die (2), it is characterized in that the bottom of the bumper upper die (2) is provided with a forming concave part (3), a molding convex part (4) is arranged in the bumper lower die (1), the molding concave part (3) corresponds to the molding convex part (4) in position and is matched with the molding convex part in shape, the bumper lower die (1) is provided with an outer die aligning piece (5), the outer die aligning piece (5) is in clamping fit with the bumper upper die (2), an in-mold die-closing positioning component (6) is also arranged in the bumper lower mold (1), the in-mold clamping positioning component (6) corresponds to the position of the molding convex part (4), and the in-mold closing positioning component (6) is in butt fit with the bumper upper mold (2).
2. The high-precision matched-die deviation-preventing automobile front bumper die according to claim 1, wherein the in-die matched-die positioning component (6) comprises a left matched-die positioning block (7) and a right matched-die positioning block (8) which are arranged in the lower bumper die (1), and the forming convex part (4) is positioned between the left matched-die positioning block (7) and the right matched-die positioning block (8).
3. The high-precision die-closing deviation-preventing automobile front bumper die according to claim 2, wherein the cross-sectional area of the left die-closing positioning block (7) is smaller than that of the right die-closing positioning block (8), a positioning block fixing frame (9) is arranged on the bumper lower die (1), and the left die-closing positioning block (7) and the right die-closing positioning block (8) are respectively connected with the positioning block fixing frame (9).
4. A high-precision matched-die anti-deflection automobile front bumper die as claimed in claim 3, wherein the outer die aligning piece (5) comprises a plurality of outer die aligning plates (10) arranged on the lower bumper die (1), a plurality of outer die aligning grooves (11) are formed in the upper bumper die (2), and the outer die aligning plates (10) correspond to the outer die aligning grooves (11) in position and are matched in shape.
5. The high-precision matched-die deviation-preventing automobile front bumper die as claimed in claim 4, wherein the forming concave portion (3) comprises a bumper forming concave cavity (12) arranged at the bottom of the upper bumper die (2), the forming convex portion (4) comprises a bumper forming protrusion (13) arranged in the lower bumper die (1), and the bumper forming protrusion (13) is located between the left matched-die locating block (7) and the right matched-die locating block (8).
6. The high-precision matched-die anti-deviation automobile front bumper die as claimed in claim 5, wherein a plurality of cooling water channels (14) are formed in the upper bumper die (2), and the cooling water channels (14) correspond to the positions of the bumper forming cavities (12).
7. The high-precision matched-die anti-deviation automobile front bumper die as claimed in claim 6, wherein an injection molding plate (15) and a flow distribution plate (16) are arranged at the top of the upper bumper die (2), and the flow distribution plate (16) is in abutting fit with the upper bumper die (2).
8. The high-precision matched-die anti-deviation automobile front bumper die as claimed in claim 7, wherein an ejector rod fixing plate (17) is arranged below the bumper lower die (1), and a plurality of ejector rods (18) which are parallel to each other are arranged on the ejector rod fixing plate (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121291035.7U CN215512053U (en) | 2021-06-09 | 2021-06-09 | High-precision die assembly anti-deviation automobile front bumper die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121291035.7U CN215512053U (en) | 2021-06-09 | 2021-06-09 | High-precision die assembly anti-deviation automobile front bumper die |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215512053U true CN215512053U (en) | 2022-01-14 |
Family
ID=79807589
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121291035.7U Expired - Fee Related CN215512053U (en) | 2021-06-09 | 2021-06-09 | High-precision die assembly anti-deviation automobile front bumper die |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215512053U (en) |
-
2021
- 2021-06-09 CN CN202121291035.7U patent/CN215512053U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220114 |