CN222495269U - Automobile front column decorative plate injection mold with inclined sliding ejection mechanism - Google Patents
Automobile front column decorative plate injection mold with inclined sliding ejection mechanism Download PDFInfo
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- CN222495269U CN222495269U CN202421076026.XU CN202421076026U CN222495269U CN 222495269 U CN222495269 U CN 222495269U CN 202421076026 U CN202421076026 U CN 202421076026U CN 222495269 U CN222495269 U CN 222495269U
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- 238000002347 injection Methods 0.000 title claims abstract description 17
- 239000007924 injection Substances 0.000 title claims abstract description 17
- 239000003292 glue Substances 0.000 claims abstract description 9
- 238000000034 method Methods 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 239000000498 cooling water Substances 0.000 description 3
- 238000001816 cooling Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 238000007493 shaping process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
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- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
具有倾斜滑动顶出机构的汽车前柱装饰板注塑模具，包括型腔模板，型腔模板上设置型腔凹面；型芯模板，型芯模板上设置型芯凸面，型芯凸面与型腔凹面配合构成用于前柱装饰板主体成型的主体模腔，型芯模板中设置倒扣镶块，倒扣镶块与型芯模板之间构成倒扣模腔；还包括在型腔模板上设置进胶系统，在型芯模板下设置顶出机构，顶出机构上设置倾斜滑动结构，倾斜滑动结构带动倒扣镶块脱模。本方案用倾斜滑动顶出结构，结构简单，动作可靠，顺利实现倒扣脱模，生产效率高，产品质量好。
The injection mold of the automobile front pillar decorative plate with an inclined sliding ejection mechanism includes a cavity template, on which a cavity concave surface is arranged; a core template, on which a core convex surface is arranged, the core convex surface and the cavity concave surface cooperate to form a main mold cavity for forming the main body of the front pillar decorative plate, an undercut insert is arranged in the core template, and an undercut mold cavity is formed between the undercut insert and the core template; it also includes a glue feeding system arranged on the cavity template, an ejection mechanism arranged under the core template, an inclined sliding structure arranged on the ejection mechanism, and the inclined sliding structure drives the undercut insert to be demoulded. This scheme uses an inclined sliding ejection structure, which has a simple structure, reliable action, and can smoothly realize undercut demoulding, with high production efficiency and good product quality.
Description
Technical Field
The utility model relates to an injection mold with an inclined sliding ejection mechanism for an automobile front pillar decorative plate, and belongs to the field of injection molds.
Background
The automobile front pillar decorative plate, also called as A pillar decorative plate, is usually formed by processing an injection mold, and two back buckles are usually arranged on the back of the front pillar decorative plate according to the product structure and the appearance analysis and used for placing buckles, and the buckles are fixed with the front pillar body. After the front pillar decorative plate is molded, the front pillar decorative plate can be pulled out of the die after the back-off is required to be demolded. In the prior art, an oil cylinder inner-pulling structure is generally adopted for reversely pulling and demoulding a front pillar decorative plate, namely an inner-pulling oil cylinder is arranged at the bottom of a mold core of a mold, a vertical core-pulling sliding block set is arranged in the mold core, and the vertical core-pulling sliding block set drives a reversely-pulled insert to be pulled out from a reversely-pulled insert. The vertical core-pulling sliding block set has the defects that the vertical core-pulling sliding block set is arranged in the mold core, so that the internal structure of the mold is complex, the processing and the assembly are troublesome, particularly, the vertical core-pulling sliding block set is easy to interfere with cooling water holes in the mold core, and the routes of the cooling water holes are sometimes required to be modified to influence the cooling of the mold and products, so that the application range of the vertical core-pulling sliding block set is limited.
Disclosure of Invention
The utility model aims to overcome the defects of the prior art and provides the automobile front pillar decorative plate injection mold with the inclined sliding ejection mechanism, which adopts the inclined sliding ejection structure, has a simple structure and reliable action and smoothly realizes back-off demolding.
The utility model relates to an injection mold with a tilting and sliding ejection mechanism for an automobile front pillar decorative plate, which comprises the following technical scheme:
A cavity template, wherein a cavity concave surface is arranged on the cavity template;
The mold core mold plate is provided with a mold core convex surface, the mold core convex surface and the mold cavity concave surface are matched to form a main body mold cavity for molding the main body of the front pillar decorative plate, the mold core mold plate is internally provided with a back-off insert, and a back-off mold cavity is formed between the back-off insert and the mold core mold plate;
The mold core mold is characterized by further comprising a glue feeding system arranged on the mold cavity template, an ejection mechanism is arranged below the mold core template, an inclined sliding structure is arranged on the ejection mechanism, and the inclined sliding structure drives the inverted buckle insert to be demolded.
Further, the glue feeding system comprises a runner plate arranged on the cavity template, a hot runner is arranged in the runner plate, a hot nozzle is connected to the hot runner, a cavity panel is arranged on the runner plate, a pouring gate is arranged on the cavity panel and communicated with the hot nozzle, and the hot nozzle is communicated with the main body cavity.
Further, ejection mechanism include setting up the mould foot under the mould core template, set up the core bottom plate under the mould foot, set up down thimble board and last thimble board between the mould foot, go up and connect the thimble on the thimble board, set up the kicking block in the mould core template, kicking block and main part die cavity cooperation, the kicking block is connected to the thimble, slope sliding structure is including the oblique ejector pin that the slope set up, the back-off is inlayed in connection of oblique ejector pin upper end, sets up oblique slide on the thimble board, sets up oblique slider in the oblique slide, oblique slider is connected to oblique ejector pin lower extreme, is equipped with auxiliary structure on the oblique slider.
Further, the auxiliary structure comprises an auxiliary rod which is penetrated in the inclined sliding block and parallel to the inclined ejector rod, the upper end of the auxiliary rod is connected to the core template, and the lower end of the auxiliary rod is connected to the core bottom plate.
Further, a stop straight surface is arranged on the outer wall of the inclined ejector rod, a stop block is arranged at the bottom of the core template, and the stop block is matched with the stop straight surface.
The injection mold with the inclined sliding ejection mechanism for the automobile front pillar decorative plate has the beneficial effects that:
1. the inclined sliding structure is adopted to drive the back-off insert to be demolded, and is arranged in the ejection mechanism, so that the structure is simple and the assembly is convenient;
2. The inner space of the core template is not occupied, so that the cooling water holes are convenient to arrange, and the cooling of the die and the product is facilitated;
3. The auxiliary structure is adopted, so that the demoulding action of the inclined sliding structure is stable and reliable, the shutdown maintenance is reduced, and the production effect is improved.
Drawings
FIG. 1 is a schematic view of an injection mold of the present utility model;
FIG. 2 is a schematic cross-sectional view of an injection mold of the present utility model;
Fig. 3 is a perspective view of the tilt slide structure of the present utility model.
Detailed Description
The technical scheme of the application is specifically described below with reference to the accompanying drawings 1-3.
The utility model relates to an injection mold with a tilt sliding ejection mechanism for an automobile front pillar decorative plate, which comprises:
A cavity template 1, on which a cavity concave surface is arranged;
The mold core template 2 is provided with a mold core convex surface, the mold core convex surface and the mold cavity concave surface are matched to form a main body mold cavity for molding the main body of the front pillar decorative plate, the mold core template is internally provided with a back-off insert 5, and a back-off mold cavity is formed between the back-off insert and the mold core template;
the mold core mold is characterized by further comprising a glue feeding system arranged on the cavity mold plate 1, an ejection mechanism arranged below the core mold plate 2, and an inclined sliding structure arranged on the ejection mechanism and driving the inverted buckle insert 5 to be demolded.
During operation, molten plastic raw materials enter a main body die cavity and a back-off die cavity through a glue feeding system, a decorative plate main body 3 and a back-off 4 are finally formed through pressure maintaining and shaping, after shaping, the back-off 4 is buckled on the back-off insert 5, so that the mold is required to be released firstly, the mold core template 2 and the cavity template 1 are driven by power to open, in the mold opening process, the back-off insert 5 is released from the back-off 4 through an inclined sliding structure in an ejection mechanism, and the decorative plate main body 3 is ejected out of the mold through the ejection mechanism, so that the mold release is realized.
Further, the glue feeding system comprises a runner plate 6 arranged on a cavity template, a hot runner 7 arranged in the runner plate and a hot nozzle 8 connected with the hot runner, wherein a cavity panel 9 is arranged on the runner plate, a pouring gate 10 is arranged on the cavity panel and communicated with the hot nozzle, the hot nozzle is communicated with a main body cavity, a hot runner and hot nozzle structure is adopted, the glue feeding speed is high, plastic raw materials are uniformly filled, the product is free from shrinkage, and the quality is good.
Further, the ejection mechanism comprises a mold foot 11 arranged below the mold core template, a mold core bottom plate 12 arranged below the mold foot, a lower ejector pin plate 13 and an upper ejector pin plate 14 arranged between the mold feet, an ejector pin 15 connected to the upper ejector pin plate, an ejector block 16 arranged in the mold core template, and a main mold cavity matched with the ejector block, wherein the ejector pin is connected with the ejector block, the inclined sliding structure comprises an inclined ejector rod 20 arranged obliquely, the upper end of the inclined ejector rod is connected with an inverted buckle insert, an inclined sliding seat 21 is arranged on the upper ejector pin plate, an inclined sliding block 22 is arranged in the inclined sliding seat, the lower end of the inclined ejector rod is connected with the inclined sliding block 22, and an auxiliary structure is arranged on the inclined sliding block. In actual production, the lower ejector pin plate and the upper ejector pin plate are driven by power to jack up upwards, the upper ejector pin plate drives the inclined sliding seat to act, so that the inclined sliding block in the inclined sliding seat translates, the inverted buckle insert translates through the inclined ejector pin, the inverted buckle insert is driven to be separated from the inverted buckle, and meanwhile, the upper ejector pin plate drives the ejector pin and the ejector block to eject the decorative plate main body out of the die.
Further, the auxiliary structure comprises an auxiliary rod 23 which is penetrated in the inclined sliding block and parallel to the inclined ejector rod, the upper end of the auxiliary rod is connected to the core template, and the lower end of the auxiliary rod is connected to the core bottom plate. In actual mould, the inclination of oblique ejector pin is greater than 15, belongs to the oblique top of wide-angle, and oblique ejector pin itself is thin long again, and the oblique top of wide-angle makes oblique ejector pin discover deformation and crooked in ejecting in-process easily, therefore has parallel arrangement's auxiliary rod, when oblique top, the slider upwards translates to one side along the auxiliary rod to one side, effectively prevents oblique ejector pin deformation, extension oblique ejector pin life reduces the maintenance number of times of shutting down, improves production efficiency.
Further, set up the straight face 24 of ending on the oblique ejector pin outer wall, core template bottom sets up the stop piece 25, ends the stop piece and ends the straight face of ending and cooperate, has ended the cooperation of stop piece and ending the straight face, can prevent that oblique ejector pin and back-off insert from taking place to rotate, avoid appearing the card mould accident.
Claims (5)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202421076026.XU CN222495269U (en) | 2024-05-17 | 2024-05-17 | Automobile front column decorative plate injection mold with inclined sliding ejection mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202421076026.XU CN222495269U (en) | 2024-05-17 | 2024-05-17 | Automobile front column decorative plate injection mold with inclined sliding ejection mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN222495269U true CN222495269U (en) | 2025-02-18 |
Family
ID=94551380
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202421076026.XU Active CN222495269U (en) | 2024-05-17 | 2024-05-17 | Automobile front column decorative plate injection mold with inclined sliding ejection mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN222495269U (en) |
-
2024
- 2024-05-17 CN CN202421076026.XU patent/CN222495269U/en active Active
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