CN215512036U - Side pushing structure arranged on large inclined top of automobile bumper injection mold - Google Patents
Side pushing structure arranged on large inclined top of automobile bumper injection mold Download PDFInfo
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- CN215512036U CN215512036U CN202022821722.7U CN202022821722U CN215512036U CN 215512036 U CN215512036 U CN 215512036U CN 202022821722 U CN202022821722 U CN 202022821722U CN 215512036 U CN215512036 U CN 215512036U
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- automobile bumper
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Abstract
The utility model relates to the technical field of injection molds, in particular to a side pushing structure arranged on a large inclined top of an injection mold of an automobile bumper, which comprises a side pushing assembly, wherein the side pushing assembly comprises a side pushing block, a pair of parallel guide rods connected to the side pushing block and a nitrogen spring, and the nitrogen spring is positioned between the pair of parallel guide rods; the nitrogen spring is characterized in that a positioning groove is formed in the large oblique top, a pair of through guide holes are formed in the bottom of the positioning groove, the pair of parallel guide rods are correspondingly inserted into the pair of guide holes and are in sliding fit connection with the guide holes, and one end of the nitrogen spring is in contact with the bottom of the positioning groove. The utility model enhances the support of the back of the large pitched roof, reduces the flash of the parting surface and improves the product quality of the injection molding piece.
Description
Technical Field
The utility model relates to the technical field of injection molds, in particular to a side-push structure arranged on a large inclined top of an injection mold of an automobile bumper.
Background
As shown in fig. 3, 4 and 5, a side push structure on a large lifter of an injection mold for an automobile bumper in the prior art is composed of a side push block 2 arranged on the large lifter 1, and a pair of guide rods 3 and side push rods 13 connected to the side push block 2; a pair of guide rods 3 on the side push block 2 is in sliding fit with the guide holes on the large inclined top 1. In order to realize the side pushing action, a side pushing guide rail 11 is further arranged on a movable die insert 8 of the injection die, a guide rail groove 12 is formed in the side pushing guide rail 11, a side push rod 10 on the side push block 2 penetrates through the large inclined top 1 and then is pressed against the guide rail groove 12 of the side pushing guide rail 11, and when the large inclined top 1 moves upwards through the inclined push rod 10, the end part of the side push rod 10 on the side push block 2 slides in the guide rail groove 12 of the side pushing guide rail 11, so that the side pushing action that the side push block 2 pushes out towards one side is formed.
However, the above-mentioned side-push structure in the prior art has the following problems: the side push guide rail 11 on the back of the side push block 2 on the large pitched roof 1 is large and occupies a large space, so that a large clearance space is needed on the back of the large pitched roof 1, the back supporting surface of the large pitched roof 1 is small, flash easily occurs on a parting surface, and a block mark is easily generated.
SUMMERY OF THE UTILITY MODEL
In order to solve the problems, the utility model provides a side-push structure arranged on a large pitched roof of an injection mold of an automobile bumper, aiming at increasing the support of the back surface of the large pitched roof, reducing the flash of a parting surface and improving the product quality of an injection molding piece. The specific technical scheme is as follows:
a side pushing structure arranged on a large inclined top of an automobile bumper injection mold comprises a side pushing assembly, wherein the side pushing assembly comprises a side pushing block, a pair of parallel guide rods connected to the side pushing block and a nitrogen spring, and the nitrogen spring is positioned between the pair of parallel guide rods; the nitrogen spring is characterized in that a positioning groove is formed in the large oblique top, a pair of through guide holes are formed in the bottom of the positioning groove, the pair of parallel guide rods are correspondingly inserted into the pair of guide holes and are in sliding fit connection with the guide holes, and one end of the nitrogen spring is in contact with the bottom of the positioning groove.
In the utility model, two side surfaces of the side push block, which are opposite to the side surfaces of the positioning groove, form a certain wedge-shaped angle.
Preferably, the number of the nitrogen springs on the side push block is two.
In the utility model, a limit screw for limiting the push-out stroke of the side push block is arranged between the side push block and the large inclined top.
In the utility model, the injection mold comprises a movable mold and a fixed mold, wherein the movable mold comprises a movable mold insert and a large cover cap connected to the upper part of the movable mold insert.
When the injection mold is closed, the fixed mold is contacted with one surface of the side push block, which is far away from the bottom of the positioning groove; after the injection mold is opened, the side push block is separated from the fixed mold and forms a side push action of pushing towards one side under the action of the nitrogen spring.
In the utility model, an injection molding space which is used as a part of an injection molding piece of the automobile bumper is formed between one surface of the side push block and one side surface of the positioning groove.
In the utility model, the large inclined top is connected with an inclined push rod.
The utility model has the beneficial effects that: the improvement is carried out on the basis of the original side pushing structure, the side pushing guide rail is cancelled, the nitrogen spring is added on the side pushing block to form side pushing force and side pushing action, so that the clearance of the back of the large pitched roof is reduced, the back supporting area of the large pitched roof is increased, the flash of a parting surface can be reduced, and the product quality of an injection molding part is improved.
Drawings
FIG. 1 is a schematic structural view of a side-push structure provided on a large inclined top of an injection mold for automobile bumpers (in the figure, a side-push component) according to the present invention;
FIG. 2 is a schematic view of a positioning groove and a guiding hole on a large pitched roof;
fig. 3-5 are schematic diagrams of a side-push structure on a large pitched roof of an injection mold for an automobile bumper in the prior art.
In the figure: 1. the injection molding device comprises a large inclined top, 2 a side push block, 3 a guide rod, 4 a nitrogen spring, 5 a positioning groove, 6 a guide hole, 7 a limiting screw, 8 a movable die insert, 9 an injection molding space, 10 an inclined push rod, 11 a side push guide rail, 12 a guide rail groove, 13 a side push rod.
Detailed Description
The following description of the embodiments of the present invention will be made with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.
Fig. 1 to 5 show an embodiment of a side-push structure provided on a large inclined top of an injection mold for an automobile bumper, which includes a side-push assembly, the side-push assembly includes a side-push block 2, a pair of parallel guide rods 3 connected to the side-push block 2, and a nitrogen spring 4, the nitrogen spring 4 is located between the pair of parallel guide rods 3; be provided with constant head tank 5 on the big oblique top 1, the tank bottom of constant head tank 5 is provided with a pair of guiding hole 6 that link up, a pair of parallel guide arm 3 correspond insert in a pair of guiding hole 6 and with guiding hole 6 sliding fit is connected, the one end of nitrogen spring 4 with the tank bottom of constant head tank 5 contacts.
In this embodiment, two side surfaces of the side push block 2, which are opposite to the side surfaces of the positioning groove 5, respectively, form a certain wedge-shaped angle.
Preferably, the number of the nitrogen springs 4 on the side push block 2 is two.
In this embodiment, a limit screw 7 for limiting the pushing-out stroke of the side push block 2 is arranged between the side push block 2 and the large lifter 1.
In this embodiment, the injection mold comprises a movable mold and a fixed mold, and the movable mold comprises a movable mold insert 8 and a large cover cap connected to the upper part of the movable mold insert 8.
When the injection mold is closed, the fixed mold is contacted with one surface of the side push block 2, which is far away from the bottom of the positioning groove; after the injection mold is opened, the side push block 2 is separated from the fixed mold and forms a side push action of pushing towards one side under the action of the nitrogen spring 4.
In this embodiment, an injection molding space 9 as a part of an injection molding piece of the bumper of the vehicle is formed between one surface of the side push block 2 and one side surface of the positioning groove 5.
In this embodiment, the large pitched roof 1 is connected with a pitched push rod 10.
The beneficial effect of this embodiment is: the improvement is carried out on the basis of the original side-push structure, the side-push guide rail 11 is cancelled, the nitrogen spring 4 is additionally arranged on the side-push block 2 to form side-push force and side-push action, so that the clearance of the back of the large pitched roof 1 is reduced, the back supporting area of the large pitched roof 1 is increased, the flash of a parting surface can be reduced, and the product quality of an injection molding part is improved.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the technical principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (8)
1. A side pushing structure arranged on a large inclined top of an automobile bumper injection mold is characterized by comprising a side pushing assembly, wherein the side pushing assembly comprises a side pushing block, a pair of parallel guide rods connected to the side pushing block and a nitrogen spring, and the nitrogen spring is positioned between the pair of parallel guide rods; the nitrogen spring is characterized in that a positioning groove is formed in the large oblique top, a pair of through guide holes are formed in the bottom of the positioning groove, the pair of parallel guide rods are correspondingly inserted into the pair of guide holes and are in sliding fit connection with the guide holes, and one end of the nitrogen spring is in contact with the bottom of the positioning groove.
2. The side-push structure arranged on the large inclined top of the injection mold of the automobile bumper as claimed in claim 1, wherein two side surfaces of the side-push block respectively opposite to the side surfaces of the positioning groove form a certain wedge-shaped angle.
3. The side-push structure arranged on the large inclined top of the injection mold of the automobile bumper as claimed in claim 1, wherein the number of the nitrogen springs on the side-push block is two.
4. The side-push structure arranged on the large lifter of the injection mold of the automobile bumper as claimed in claim 1, wherein a limit screw for limiting the push-out stroke of the side-push block is arranged between the side-push block and the large lifter.
5. The side-push structure arranged on the large inclined top of the injection mold of the automobile bumper as claimed in claim 1, wherein the injection mold comprises a movable mold and a fixed mold, and the movable mold comprises a movable mold insert and a large cover cap connected to the upper part of the movable mold insert.
6. The side-push structure arranged on the large inclined top of the automobile bumper injection mold according to claim 5, wherein when the injection mold is closed, the fixed mold is in contact with one surface of the side push block, which is far away from the bottom of the positioning groove; after the injection mold is opened, the side push block is separated from the fixed mold and forms a side push action of pushing towards one side under the action of the nitrogen spring.
7. The side-push structure arranged on the large inclined top of the injection mold of the automobile bumper as claimed in claim 1, wherein an injection space is formed between one side of the side-push block and one side of the positioning groove, and the injection space is a part of the injection molding part of the automobile bumper.
8. The side-push structure arranged on the large pitched roof of the injection mold of the automobile bumper as claimed in claim 1, wherein a pitched push rod is connected to the large pitched roof.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022821722.7U CN215512036U (en) | 2020-11-30 | 2020-11-30 | Side pushing structure arranged on large inclined top of automobile bumper injection mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022821722.7U CN215512036U (en) | 2020-11-30 | 2020-11-30 | Side pushing structure arranged on large inclined top of automobile bumper injection mold |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215512036U true CN215512036U (en) | 2022-01-14 |
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ID=79785661
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022821722.7U Active CN215512036U (en) | 2020-11-30 | 2020-11-30 | Side pushing structure arranged on large inclined top of automobile bumper injection mold |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215512036U (en) |
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2020
- 2020-11-30 CN CN202022821722.7U patent/CN215512036U/en active Active
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