CN214982911U - Ejection structure of injection mold for automobile bumper - Google Patents
Ejection structure of injection mold for automobile bumper Download PDFInfo
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- CN214982911U CN214982911U CN202022820112.5U CN202022820112U CN214982911U CN 214982911 U CN214982911 U CN 214982911U CN 202022820112 U CN202022820112 U CN 202022820112U CN 214982911 U CN214982911 U CN 214982911U
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- sliding block
- injection mold
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- automobile bumper
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Abstract
The utility model discloses an ejection structure of an automobile bumper injection mold, which comprises a large straight top arranged on a movable mold of the automobile bumper injection mold, a large oblique top connected with the lower end of the large straight top and the positions of the two sides, a sliding block arranged between one side of the large straight top and the large oblique top, the sliding block is positioned in the area near a tail lamp of an automobile bumper injection molding piece on the movable mold of the injection mold, a guide rod is connected on the large straight top, the large oblique top is connected with a push-pull plate of the injection mold, a guide hole and a strip-shaped guide rail are arranged on the movable mold, the guide rod on the large straight top is positioned in the guide hole in a sliding way, the large oblique top is connected with the strip-shaped guide rail in a sliding way, a pair of guide pins are arranged on the surface adjacent to the sliding block on the large straight top, pin holes connected with the pair of guide pins in a sliding way are respectively arranged on the large oblique top, a linear guide element is arranged on the surface adjacent to the sliding block on the large oblique top, one side of the sliding block is slidably positioned on the linear guide element. The utility model discloses an ejecting stable in structure, good reliability.
Description
Technical Field
The utility model relates to an injection mold technical field, concretely relates to car bumper injection mold's ejecting structure.
Background
As shown in fig. 7, the ejection structure of the injection mold for the automobile bumper adopts an ejection structure in which three push rods are connected with an ejection block, and has the following problems:
1. due to the limitation of the mold structure, the push rod can only be arranged at the position deviated from the gravity center of the ejector block, the ejection distance of the push rod is large (200mm), the length of the push rod is long, the rigidity of the ejection structure is poor, and the reliability of the ejection structure of the injection mold is affected due to the instability of the ejection structure.
2. Because the ejector block is heavy in weight and eccentric, the ejector block has certain rotary deformation under the action of the gravity of the ejector block after being ejected, the push rod bears large moment in the production process, and the push rod of the ejector block is subjected to rotary stress during die assembly, so that the push rod is broken in the production process.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem, the utility model provides an automobile bumper injection mold's ejecting structure aims at overcoming the easy cracked drawback of push rod of ejecting structure among the prior art to improve injection mold ejection mold's reliability. The specific technical scheme is as follows:
the ejection structure of the automobile bumper injection mold comprises a large straight top arranged on a movable mold of the automobile bumper injection mold, and a large inclined top connected to the lower end of the large straight top and the two sides of the large straight top, wherein a sliding block is arranged between one side of the large straight top and the large inclined top, the sliding block is positioned in a tail lamp region of an automobile bumper injection molding piece on the movable mold of the injection mold, a guide rod is connected to the large straight top, the large inclined top is connected with a push-pull plate of the injection mold, a guide hole and a strip-shaped guide rail are respectively arranged on the movable mold, the guide rod on the large straight top is positioned in a sliding manner in the guide hole so as to realize ejection of the mold, the large straight top is along the axis direction of the guide hole for the first ejection action of the automobile bumper injection molding piece, and the large inclined top is connected with the strip-shaped guide rail so as to realize ejection of the mold, and the large inclined top is divided into two parts relative to the automobile bumper injection molding piece along the sliding direction of the strip-shaped guide rail And (2) performing demoulding, wherein a pair of guide pins is vertically arranged on one surface of the large straight top adjacent to the sliding block, the sliding block is respectively provided with a pin hole in sliding fit connection with the pair of guide pins, a linear guide element is arranged on one surface of the large inclined top adjacent to the sliding block, and one side of the sliding block is positioned on the linear guide element in a sliding manner, so that the sliding block is subjected to second ejection action close to a tail lamp area relative to an automobile bumper injection molding part when the mold is ejected.
The sliding block is respectively connected with the two side surfaces of the large straight top and the large inclined top to form a certain wedge-shaped angle, so that the sliding block slides along the pair of guide pins towards the direction far away from the side surfaces of the large straight top while the second ejection action is realized.
Preferably, the wedge angle is 12-25 degrees.
Preferably, the linear guide element is a T-shaped guide rail.
The utility model discloses in, be provided with the copper sheathing in the pinhole of sliding block, the hole of copper sheathing with uide pin sliding fit connects.
The utility model discloses in, fix on the movable mould the quantity of bar guide rail has two sets ofly and is located respectively the both sides of big oblique top.
The utility model discloses in, the quantity of guide bar is a pair of, guiding hole quantity is a pair of.
The utility model discloses in, the lower extreme plane of big straight top with sliding fit connects between the plane of big oblique top.
The utility model discloses in, be provided with end guide rail on the push-and-pull board, the bottom of big oblique top slides and sets up on the end guide rail.
The utility model discloses in, injection mold includes cover half and movable mould, cover half and movable mould are arranged according to the upper and lower direction.
The utility model discloses in, be provided with the movable mould guide pin bushing on the movable mould, the guiding hole sets up on the movable mould guide pin bushing.
The utility model has the advantages that:
first, the utility model discloses an automobile bumper injection mold's ejecting structure has adopted the ejecting structure of special sliding block, has cancelled the push rod among the traditional automobile bumper injection mold, utilizes the sliding positioning and the ejecting action of T type guide rail realization sliding block, and the easy cracked drawback of original ejecting structure push rod has consequently been overcome owing to need not connect the push rod to this kind of the ejecting structure of special sliding block. In addition, the sliding block does not need to be connected with a push rod, so that the sliding block is small in size and light in weight, and accordingly the inertia force of the ejection action is small and the stability is good.
Second, the utility model discloses an automobile bumper injection mold's ejecting structure, when special sliding block ejecting structure can realize the ejecting action of second, its sliding block still slides along the direction of a pair of uide pin towards keeping away from big straight top side, has further improved ejecting effect and quality of automobile bumper injection molding from this.
Drawings
Fig. 1 is a schematic structural view of an ejection structure of an injection mold for automobile bumpers according to the present invention;
FIG. 2 is a schematic view of the ejector structure of FIG. 1 coupled to a push-pull plate;
FIG. 3 is a schematic view of the construction of the large pitched roof of FIG. 1 (with T-shaped rails mounted thereon);
FIG. 4 is a schematic view of the large straight top of FIG. 1 (with guide pins mounted thereon);
FIG. 5 is a schematic view of the slider of FIG. 1 (showing the side of the slider connected to the large pitched roof having a T-shaped rail mounted thereon);
FIG. 6 is a schematic structural view of the slider of FIG. 1 (shown with a copper sleeve on the side connected to the large crown, the inner hole of the copper sleeve being the pin hole);
fig. 7 is a schematic view of an ejection structure of an injection mold for an automobile bumper in the prior art.
In the figure: 1. the device comprises a large straight top, 2 large inclined tops, 3 sliding blocks, 4 guide rods, 5 push-pull plates, 6 guide holes, 7 strip-shaped guide rails, 8 guide pins, 9 pin holes, 10 linear guide elements (T-shaped guide rails), 11 copper sleeves, 12 bottom guide rails, 13 movable die guide sleeves.
Detailed Description
The following description will further describe embodiments of the present invention with reference to the accompanying drawings and examples. 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 7 show an embodiment of an ejection structure of an injection mold for automobile bumpers according to the present invention, which comprises a large straight top 1 disposed on a movable mold of the injection mold for automobile bumpers, and large oblique tops 2 connected to the lower end and both sides of the large straight top 1, wherein a sliding block 3 is disposed between one side of the large straight top 1 and the large oblique tops 2, the sliding block 3 is disposed in a tail light-near region of an injection molding of an automobile bumper on the movable mold of the injection mold, a guide rod 4 is connected to the large straight top 1, the large oblique tops 2 are connected to a push-pull plate 5 of the injection mold, the movable mold is respectively provided with a guide hole 6 and a strip-shaped guide rail 7, the guide rod 4 on the large straight top 1 is slidably positioned in the guide hole 6 so as to realize a first ejection action of the large straight top 1 relative to the injection molding of the automobile bumper along the axis direction of the guide hole 6 when the mold is ejected, thereby when sliding connection between big top chute 2 and the bar guide rail 7 realizes that the mould is ejecting big top chute 2 is along the slip direction of bar guide rail 7 is for the drawing of patterns action of car bumper injection molding separation, be provided with a pair of uide pin 8 on big top chute 1 with the one side of sliding block 3 is adjacent perpendicularly, be provided with respectively on the sliding block 3 with the pinhole 9 that a pair of uide pin 8 sliding fit is connected, be provided with sharp guide element 10 on big top chute 2 with the one side of sliding block 3 is adjacent, thereby one side sliding location of sliding block 3 is in on the sharp guide element 10 realize when the mould is ejecting sliding block 3 is for the second ejecting action of car bumper injection molding near the tail lamp region.
Two side surfaces of the sliding block 3, which are respectively connected with the large straight top 1 and the large inclined top 2, form a certain wedge-shaped angle, so that the sliding block 3 slides along the pair of guide pins 8 in the direction away from the side surfaces of the large straight top 1 while the second ejection action is realized.
Preferably, the wedge angle is 12-25 degrees.
Preferably, the linear guide element 10 is a T-shaped guide rail.
In this embodiment, a copper sleeve 11 is disposed in the pin hole 9 of the sliding block 3, and an inner hole of the copper sleeve 11 is connected with the guide pin 8 in a sliding fit manner.
In this embodiment, two sets of the strip-shaped guide rails 7 fixed on the movable mold are respectively located on two sides of the large lifter 2.
In this embodiment, the number of the guide rods 4 is one pair, and the number of the guide holes 6 is one pair.
In this embodiment, the lower end plane of the large straight top 1 is connected with the plane of the large inclined top 2 in a sliding fit manner.
In this embodiment, the push-pull plate 5 is provided with a bottom guide rail 12, and the bottom end of the large pitched roof 2 is slidably arranged on the bottom guide rail 12.
In this embodiment, the injection mold includes a fixed mold and a movable mold, and the fixed mold and the movable mold are arranged in an up-down direction.
In this embodiment, the movable die is provided with a movable die guide sleeve 13, and the guide hole 6 is arranged on the movable die guide sleeve 13.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the technical principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.
Claims (8)
1. The ejection structure of the automobile bumper injection mold is characterized by comprising a large straight top arranged on a movable mold of the automobile bumper injection mold, and a large inclined top connected to the lower end and two sides of the large straight top, wherein a sliding block is arranged between one side of the large straight top and the large inclined top, the sliding block is positioned in a tail lamp region of an automobile bumper injection molding piece on the movable mold of the injection mold, a guide rod is connected to the large straight top, the large inclined top is connected with a push-pull plate of the injection mold, a guide hole and a bar-shaped guide rail are respectively arranged on the movable mold, the guide rod on the large straight top is positioned in the guide hole in a sliding manner so as to realize the first ejection action of the large straight top relative to the automobile bumper injection molding piece along the axis direction of the guide hole when the mold is ejected, and the large inclined top is connected with the bar-shaped guide rail in a sliding manner so as to realize the ejection of the mold along the sliding direction of the bar-shaped guide rail relative to the automobile bumper injection molding piece The demoulding action of the separation of the automobile bumper injection molding piece is that a pair of guide pins are vertically arranged on one surface of the large straight top adjacent to the sliding block, pin holes in sliding fit connection with the pair of guide pins are respectively arranged on the sliding block, a linear guide element is arranged on one surface of the large inclined top adjacent to the sliding block, and one side of the sliding block is positioned on the linear guide element in a sliding mode, so that the second ejection action of the sliding block relative to the area, close to the tail lamp, of the automobile bumper injection molding piece is realized when the mould is ejected; the sliding block is respectively connected with the two side surfaces of the large straight top and the large inclined top in a certain wedge-shaped angle, so that the sliding block slides towards the direction far away from the side surfaces of the large straight top along the pair of guide pins while the second ejection action is realized, and the wedge-shaped angle is 12-25 degrees.
2. The ejector structure of an injection mold for bumpers as claimed in claim 1, wherein said linear guide member is a T-shaped guide rail.
3. The ejection structure of the injection mold for the automobile bumper as claimed in claim 1, wherein a copper sleeve is disposed in the pin hole of the sliding block, and an inner hole of the copper sleeve is connected with the guide pin in a sliding fit manner.
4. The injection mold ejection structure for bumpers of claim 1, wherein there are two sets of said strip-shaped guide rails fixed on the movable mold and located at two sides of said large lifter respectively.
5. The ejector structure of an injection mold for bumpers as set forth in claim 1, wherein said guide rods are paired and said guide holes are paired.
6. The ejection structure of an injection mold for automobile bumpers as claimed in claim 1, wherein the lower end plane of said large straight top is connected with the plane of said large inclined top in sliding fit.
7. The injection mold ejection structure for bumpers of claim 1, wherein said push-pull plate is provided with a bottom rail, and a bottom end of said large pitched roof is slidably disposed on said bottom rail.
8. The ejection structure of the injection mold for the automobile bumper as claimed in claim 1, wherein the movable mold is provided with a movable mold guide sleeve, and the guide hole is provided on the movable mold guide sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022820112.5U CN214982911U (en) | 2020-11-30 | 2020-11-30 | Ejection structure of injection mold for automobile bumper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022820112.5U CN214982911U (en) | 2020-11-30 | 2020-11-30 | Ejection structure of injection mold for automobile bumper |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214982911U true CN214982911U (en) | 2021-12-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022820112.5U Active CN214982911U (en) | 2020-11-30 | 2020-11-30 | Ejection structure of injection mold for automobile bumper |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214982911U (en) |
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2020
- 2020-11-30 CN CN202022820112.5U patent/CN214982911U/en active Active
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