CN209775388U - No sunken car front and back panel and production mould with turn-ups structure - Google Patents
No sunken car front and back panel and production mould with turn-ups structure Download PDFInfo
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- CN209775388U CN209775388U CN201822125961.1U CN201822125961U CN209775388U CN 209775388 U CN209775388 U CN 209775388U CN 201822125961 U CN201822125961 U CN 201822125961U CN 209775388 U CN209775388 U CN 209775388U
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- automobile
- flanging
- panel
- main board
- thickness
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- 238000004519 manufacturing process Methods 0.000 title abstract description 4
- 210000000614 Ribs Anatomy 0.000 claims abstract description 58
- 230000003014 reinforcing Effects 0.000 claims abstract description 41
- 238000005728 strengthening Methods 0.000 claims description 27
- 239000011324 bead Substances 0.000 claims description 9
- 238000003780 insertion Methods 0.000 claims 1
- 239000004033 plastic Substances 0.000 abstract description 9
- 229920003023 plastic Polymers 0.000 abstract description 9
- 239000000463 material Substances 0.000 abstract description 7
- 238000001816 cooling Methods 0.000 abstract description 3
- 238000002347 injection Methods 0.000 abstract description 3
- 239000007924 injection Substances 0.000 abstract description 3
- 238000001746 injection moulding Methods 0.000 description 6
- 229920002943 EPDM rubber Polymers 0.000 description 2
- 229920001155 polypropylene Polymers 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 239000004743 Polypropylene Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006011 modification reaction Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- -1 polypropylene Polymers 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 229920001187 thermosetting polymer Polymers 0.000 description 1
- 239000004416 thermosoftening plastic Substances 0.000 description 1
Abstract
The application relates to a front and back panel without recess with flanging structure and a production mold, in order to prevent the injection recess formed by plastic cooling shrinkage at the other end of the main board far away from the flanging when the flanging is formed on the main board of the front and back baffle plates of an automobile when the flanging is formed on the main board of the front and back baffle plates of the automobile, a connecting part is formed between the main board and the flanging of the front and back baffle plates of the automobile, a groove is formed between the main board, the flanging and the connecting part of the front and back baffle plates of the automobile, in order to prevent the connection strength of the flanging and the main board of the front and back baffle plates of the automobile from being influenced by the arrangement of the groove, two reinforcing ribs are arranged, a first reinforcing rib is arranged in the groove, a second reinforcing rib is arranged on the inner wall of the main board of the front and back baffle plates of the automobile, the inner, the connection strength of the main board and the flanging of the front baffle and the rear baffle of the automobile can be completely ensured under the condition of fully saving materials.
Description
Technical Field
The utility model belongs to the technical field of the working of plastics of moulding plastics, especially, relate to a panel and production mould around sunken car of nothing with turn-ups structure.
Background
Injection molding is a process in which a thermoplastic or thermosetting material is injected into a mold in a molten state using plastic to form plastic articles of various shapes.
The flanging structure of the injection molding part is that a vertical edge which is basically vertical to the main plate and has small height is formed on the edge of the main plate. Under the injection molding process, if the thickness of the flanging in the flanging structure is too large, a recess is formed on the other side of the flanging, which is opposite to the main plate, due to the relationship between thermal expansion and cold contraction and the solidification volume contraction of the plastic part.
The front and rear baffle plates of the automobile are generally formed by injection molding of engineering plastics, various structures are formed on the front and rear baffle plates of the automobile, and the flanging structure is widely applied.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is: in order to solve the defects in the prior art, the high-strength flanging structure for the front and rear baffles of the automobile without the depressions is provided.
The utility model provides a technical scheme that its technical problem adopted is:
A recess-free front and rear panel for an automobile having a flange structure, comprising:
The flanging is connected with the main boards of the front and rear automobile baffles through connecting parts so as to form grooves among the main boards, the connecting parts and the flanging of the front and rear automobile baffles;
The first reinforcing ribs are perpendicular to the main boards of the automobile front and rear baffles, the thickness of the first reinforcing ribs is 0.5-1mm, and the first reinforcing ribs are positioned in the grooves and connected with the inner walls of the main boards, the inner walls of the turned edges and the inner walls of the connecting parts of the automobile front and rear baffles of the grooves;
the second reinforcing ribs are perpendicular to the main boards of the automobile front and rear baffles, the thickness of the second reinforcing ribs is 1-1.5mm, and the second reinforcing ribs are connected with the inner walls of the main boards, the inner walls of the flanges and the inner walls of the connecting parts of the automobile front and rear baffles of the grooves and the inner surfaces of the main boards and the flanges of the automobile front and rear baffles outside the grooves;
the relation among the thickness H of the main plate of the automobile front and rear baffle plates, the thickness H2 of the connecting part and the thickness H3 of the turnup is that H1 is more than or equal to H2, and H2 is more than or equal to 1/3H 3;
The height H4 of the groove is not more than 1.5;
Two adjacent first strengthening ribs or adjacent first strengthening rib and the distance between two adjacent second strengthening ribs of second strengthening rib are L: l is more than or equal to 2H4 and less than or equal to 4H 4.
preferably, the utility model discloses a panel around no sunken car with turn-ups structure is provided with between two second strengthening ribs and detains a socket.
Preferably, the utility model discloses a panel around no sunken car with turn-ups structure, the width H5 of detaining the position socket is less than or equal to 1.8L.
Preferably, the utility model discloses a panel around no sunken car with turn-ups structure, the second strengthening rib is triangle-shaped.
Preferably, the utility model discloses a panel around no sunken car with turn-ups structure, the thickness of first strengthening rib is 0.8 mm.
Preferably, the utility model discloses a panel around no sunken car with turn-ups structure, the thickness of second strengthening rib is 1.2 mm.
Preferably, the front and rear panels of the automobile with the flanging structure and without the recess of the utility model are inclined by 3 degrees to 5 degrees towards one side of the main board close to the front and rear baffle plates of the automobile.
Preferably, the utility model discloses a panel around no sunken car with turn-ups structure, the quantity of first strengthening rib is 2-3 times of the quantity of second strengthening rib.
preferably, the utility model discloses a panel around no sunken car with turn-ups structure, turn-ups structure comprises EPT rubber and polypropylene materials.
The die cavity is used for producing the automobile front and rear panels with the flanging structures and without the depressions.
The utility model has the advantages that:
the utility model discloses a there is not sunken car front and back panel with turn-ups structure, in order to prevent that the other end of main board 1 of baffle around the car from keeping away from turn-ups 2 forms the injection moulding sunken because of the plastic cooling shrinkage when the turn-ups are formed on the main board of baffle around the car, form H1 connecting portion 21 more than or equal to H2 between main board 1 of baffle around the car and turn-ups 2, form recess 22 between main board 1 of baffle around the car, turn-ups 2 and connecting portion 21 at this moment, in order to prevent the setting up of recess 22 from influencing the joint strength of turn-ups 2 and main board 1 of baffle around the car, set up two kinds of strengthening ribs, first strengthening rib 3 is located in recess 22, second strengthening rib 4 is located and recess 22 the main board 1 inner wall of baffle around the car, the inner wall of turn-ups 2 and connecting portion 21 and the main board, the thickness that sets up first strengthening rib 3 and second strengthening rib 4 and distance each other can guarantee the mainboard 1 of baffle around the car and the joint strength of turn-ups 2 completely under the circumstances of abundant save material.
drawings
the technical solution of the present application is further explained below with reference to the drawings and the embodiments.
FIG. 1 is a schematic view of a front and rear panel of an automobile without a recess having a hemmed structure according to an embodiment of the present application;
FIG. 2 is a side view of a cuff overcoming an injection molded depression according to an embodiment of the present application;
The reference numbers in the figures are:
1, main boards of front and rear baffles of an automobile;
2, flanging;
3, a first reinforcing rib;
4, second reinforcing ribs;
5 buckling a socket;
21 a connecting part;
22 grooves.
Detailed Description
it should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict.
in the description of the present application, it is to be understood that the terms "center," "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings for convenience in describing the present application and for simplicity in description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed in a particular orientation, and be operated in a particular manner, and are not to be considered limiting of the scope of the present application. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the invention, unless otherwise specified, "a plurality" means two or more.
in the description of the present application, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art through specific situations.
the technical solutions of the present application will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
examples
The present embodiment provides a front and rear panel of an automobile having a burring structure without a recess, as shown in fig. 1 and 2, including:
The flanging 2 is positioned at the edge of the main board 1 of the front and rear baffle plates of the automobile, and the flanging 2 is connected with the main board 1 of the front and rear baffle plates of the automobile through a connecting part 21 so as to form a groove 22 among the main board 1 of the front and rear baffle plates of the automobile, the connecting part 21 and the flanging 2;
the first reinforcing ribs 3 are perpendicular to the main boards 1 of the automobile front and rear baffles, the thickness of the first reinforcing ribs is 0.5-1mm, and the first reinforcing ribs 3 are positioned in the grooves 22 and connected with the inner walls of the main boards 1, the inner walls of the flanges 2 and the inner walls of the connecting parts 21 of the automobile front and rear baffles of the grooves 22;
The second reinforcing ribs 4 are perpendicular to the main boards 1 of the automobile front and rear baffles, the thickness of the second reinforcing ribs 4 is 1-1.5mm, and the second reinforcing ribs 4 are connected with the inner walls of the main boards 1, the inner walls of the flanges 2 and the inner walls of the connecting parts 21 of the automobile front and rear baffles of the groove 22 and the inner surfaces of the main boards 1 and the flanges 2 of the automobile front and rear baffles outside the groove 22;
The relation among the thickness H1 of the main board 1 of the automobile front and rear baffle, the thickness H2 of the connecting part 21 and the thickness H3 of the flanging 2 is that H1 is more than or equal to H2, and H2 is more than or equal to 1/3H 3;
the height H4 of the groove 22 is not more than 1.5H 3-H2;
the distance between two adjacent first strengthening ribs 3 or two adjacent second strengthening ribs 4 of adjacent first strengthening rib 3 and second strengthening rib 4 is L: l is more than or equal to 2H4 and less than or equal to 4H 4.
The front and rear panels of the automobile without the recess with the flanging structure of the embodiment are characterized in that in order to prevent the injection recess formed by plastic cooling shrinkage at the other end of the main board 1 of the front and rear baffles of the automobile far away from the flanging 2 when the flanging is formed on the main board of the front and rear baffles of the automobile, a connecting part 21 with H1 being more than or equal to H2 is formed between the main board 1 and the flanging 2 of the front and rear baffles of the automobile, a groove 22 is formed between the main board 1, the flanging 2 and the connecting part 21 of the front and rear baffles of the automobile at the moment, in order to prevent the arrangement of the groove 22 from influencing the connecting strength of the flanging 2 and the main board 1 of the front and rear baffles of the automobile, two reinforcing ribs are arranged, the first reinforcing rib 3 is arranged in the groove 22, the second reinforcing rib 4 is arranged on the inner wall of the main board 1 of, the thickness that sets up first strengthening rib 3 and second strengthening rib 4 and distance each other can guarantee the mainboard 1 of baffle around the car and the joint strength of turn-ups 2 completely under the circumstances of abundant save material.
preferably, a fastening socket 5 is arranged between the two second reinforcing ribs 4. The buckling position socket 5 is arranged to be conveniently connected with the buckle.
Preferably, the width H5 of the fastening socket 5 is less than or equal to 1.8L.
Preferably, the second reinforcing beads 4 are triangular.
preferably, the thickness of the first reinforcing bead 3 is 0.8 mm. The thickness of the second reinforcing ribs 4 is 1.2 mm.
Preferably, the flanging 2 inclines by 3-5 degrees towards one side of the main plate 1 close to the front and rear baffle plates of the automobile.
Preferably, the number of the first reinforcing beads 3 is 2 to 3 times the number of the second reinforcing beads 4. Although the effect is better strengthened to second strengthening rib 4, the protrusion sets up, and the injection moulding degree of difficulty is big, more takes the material, and first strengthening rib 3 hides in the recess. The number of the first reinforcing ribs 3 is set to be 2-3 times that of the second reinforcing ribs 4, and a reasonable proportion is set to ensure the reinforcing effect.
The flanging structure is composed of Ethylene Propylene Diene Monomer (EPDM) and polypropylene (PP) materials.
The embodiment also provides a die for producing the front and rear panels of the automobile without the recess and with the flanging structures, which comprises a die cavity, wherein the die cavity is used for producing the front and rear panels of the automobile without the recess and with the flanging structures.
in light of the foregoing description of the preferred embodiments according to the present application, it is to be understood that various changes and modifications may be made without departing from the spirit and scope of the invention. The technical scope of the present application is not limited to the contents of the specification, and must be determined according to the scope of the claims.
Claims (9)
1. The utility model provides a panel around no sunken car with turn-ups structure which characterized in that includes:
the flanging (2) is positioned at the edge of the main board (1) of the automobile front and rear baffle plates, and the flanging (2) is connected with the main board (1) of the automobile front and rear baffle plates through a connecting part (21) so as to form a groove (22) among the main board (1), the connecting part (21) and the flanging (2) of the automobile front and rear baffle plates;
the first reinforcing ribs (3) are perpendicular to the main boards (1) of the front and rear automobile baffles, the thickness of the first reinforcing ribs is 0.5-1mm, and the first reinforcing ribs (3) are positioned in the grooves (22) and are connected with the inner walls of the main boards (1) of the front and rear automobile baffles of the grooves (22), the inner walls of the flanges (2) and the inner walls of the connecting parts (21);
The second reinforcing ribs (4) are perpendicular to the main boards (1) of the automobile front and rear baffles, the thickness of the second reinforcing ribs is 1-1.5mm, and the second reinforcing ribs (4) are connected with the inner walls of the main boards (1) of the automobile front and rear baffles of the grooves (22), the inner walls of the flanges (2), the inner walls of the connecting parts (21) and the inner surfaces of the main boards (1) of the automobile front and rear baffles outside the grooves (22) and one surface of the flanges (2);
the relation among the thickness H1 of the main board (1), the thickness H2 of the connecting part (21) and the thickness H3 of the flanging (2) of the front and rear baffles of the automobile is that H1 is more than or equal to H2, and H2 is more than or equal to 1/3H 3;
the height H4 of the groove (22) is less than or equal to 1.5 (H3-H2);
The distance between two adjacent second strengthening ribs (4) of two adjacent first strengthening ribs (3) or adjacent first strengthening rib (3) and second strengthening rib (4) is L: l is more than or equal to 2H4 and less than or equal to 4H 4.
2. The front and rear panels with a flanging structure and without recess of claim 1, wherein a fastening socket (5) is arranged between the two second reinforcing ribs (4).
3. The automotive front and rear panel without the recess and with the flange structure as claimed in claim 2, wherein the width H5 of the button-position insertion opening (5) is less than or equal to 1.8L.
4. the recess-free automobile front and rear panel having a burring structure of claim 1 or 2, wherein the second reinforcing bead (4) is triangular.
5. The deboss front and rear panel for an automobile having a burring structure of claim 1, wherein the first reinforcing bead (3) has a thickness of 0.8 mm.
6. The recess-free automobile front and rear panels having a burring structure of claim 1, wherein the thickness of the second reinforcing bead (4) is 1.2 mm.
7. The deboss front and rear panel for an automobile having a hemmed structure, according to claim 1, wherein the hemmed (2) is inclined 3 ° to 5 ° to a side of the main panel (1) adjacent to the front and rear dash panel for an automobile.
8. The recess-free automobile front and rear panel having a burring structure of claim 1, wherein the number of the first reinforcing beads (3) is 2 to 3 times the number of the second reinforcing beads (4).
9. a die for producing non-recessed automobile front and rear panels with flange structures, which is characterized by comprising a die cavity, wherein the die cavity is used for producing the non-recessed automobile front and rear panels with the flange structures in the shape of any one of claims 1 to 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822125961.1U CN209775388U (en) | 2018-12-18 | 2018-12-18 | No sunken car front and back panel and production mould with turn-ups structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822125961.1U CN209775388U (en) | 2018-12-18 | 2018-12-18 | No sunken car front and back panel and production mould with turn-ups structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209775388U true CN209775388U (en) | 2019-12-13 |
Family
ID=68790043
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822125961.1U Active CN209775388U (en) | 2018-12-18 | 2018-12-18 | No sunken car front and back panel and production mould with turn-ups structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209775388U (en) |
-
2018
- 2018-12-18 CN CN201822125961.1U patent/CN209775388U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |