CN220499868U - Injection mold for automobile antenna cover plate - Google Patents
Injection mold for automobile antenna cover plate Download PDFInfo
- Publication number
- CN220499868U CN220499868U CN202322126157.6U CN202322126157U CN220499868U CN 220499868 U CN220499868 U CN 220499868U CN 202322126157 U CN202322126157 U CN 202322126157U CN 220499868 U CN220499868 U CN 220499868U
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- Prior art keywords
- plate
- antenna cover
- ejector rod
- fixed
- cover plate
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- 238000002347 injection Methods 0.000 title claims abstract description 32
- 239000007924 injection Substances 0.000 title claims abstract description 32
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 56
- 239000003292 glue Substances 0.000 claims abstract description 42
- 230000000712 assembly Effects 0.000 claims description 4
- 238000000429 assembly Methods 0.000 claims description 4
- 230000000149 penetrating effect Effects 0.000 claims description 4
- 210000001503 joint Anatomy 0.000 claims description 2
- 238000012856 packing Methods 0.000 abstract description 3
- 239000007788 liquid Substances 0.000 description 5
- 239000012768 molten material Substances 0.000 description 3
- 239000004033 plastic Substances 0.000 description 3
- 238000007906 compression Methods 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000000748 compression moulding Methods 0.000 description 2
- 239000000110 cooling liquid Substances 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000001746 injection moulding Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- DMFGNRRURHSENX-UHFFFAOYSA-N beryllium copper Chemical compound [Be].[Cu] DMFGNRRURHSENX-UHFFFAOYSA-N 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
Landscapes
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The utility model relates to an injection mold for an automobile antenna cover plate, which comprises a fixed mold plate, a fixed mold core, a fixed plate, mold legs and a thimble plate assembly, wherein a parting surface pushing block is embedded on the fixed mold plate; the ejector plate assembly is provided with an inclined ejector rod assembly and a straight ejector rod assembly; a glue inlet nozzle is arranged on the glue inlet corresponding surface, the glue inlet nozzle is connected with a water jacket, a spiral water tank is arranged on the periphery of the water jacket, a spiral water path is formed by surrounding the water tank and the inner wall of the fixed die core, and a glue injection pipe is arranged on the fixed plate; the utility model provides an injection mold for an automobile antenna cover plate, which solves the problems that when the existing injection mold for the automobile antenna cover plate works, bright spots and the like are easy to occur on one side of the antenna cover plate opposite to a glue inlet corresponding surface, and when the antenna cover plate is demolded, the antenna cover plate is easy to bend due to overlarge packing force of the antenna cover plate adhered to a fixed mold core when the antenna cover plate is ejected out through an inclined roof.
Description
Technical Field
The utility model relates to the technical field of injection molds of automobile antenna cover plates, in particular to an injection mold for an automobile antenna cover plate.
Background
The injection mold is a product mold manufactured by utilizing the injection compression molding principle and is commonly used for batch processing and manufacturing of automobile parts and the like. Injection compression molding principle: mainly comprises two stages of injection molding and compression. The molten material is pushed by a screw rod to be injected into a die cavity, and then the molten material injected into the die cavity is compressed, which is important; the method can reduce the influence of the molten material on molecular orientation during pressure injection into the mold, and is favorable for reducing residual stress in the molded part, so that the molded part has high precision.
When the existing automobile antenna cover plate is manufactured through injection molding compression, bright spots and the like are easy to appear on one side of the antenna cover plate, which is opposite to the glue inlet corresponding surface, so that the appearance of a product is influenced; meanwhile, when the antenna cover plate is demoulded, the antenna cover plate is stuck to the fixed die core and the packing force is too large, so that the antenna cover plate is easy to bend when being ejected out through the inclined ejection.
Disclosure of Invention
The utility model overcomes the defects of the prior art, provides the injection mold for the antenna cover plate of the automobile, and solves the problems that when the antenna cover plate is manufactured, the phenomenon of bright spots and the like easily occur on one side of the antenna cover plate, which is opposite to the glue inlet corresponding surface, and when the antenna cover plate is demolded, the antenna cover plate is ejected out through the inclined ejection due to overlarge packing force of the antenna cover plate adhered to the fixed mold core.
In order to achieve the above purpose, the utility model adopts the following technical scheme: the mold comprises a fixed mold plate, a fixed mold core, a fixed plate and a mold foot and thimble plate assembly arranged between the fixed mold plate and the fixed plate, wherein a parting surface pushing block sleeved on the periphery of the fixed mold core is embedded on the fixed mold plate;
the ejector plate assembly is provided with a plurality of groups of inclined ejector rod assemblies with one ends coincident with the glue feeding corresponding surfaces on the fixed die core and straight ejector rod assemblies connected with the parting surface pushing blocks;
a plurality of glue inlets are arranged on the glue inlet corresponding surface, each glue inlet is connected with a water jacket embedded in the fixed die cavity, a spiral water channel is arranged on the periphery of each water jacket, a spiral water channel is formed by surrounding the water jacket and the inner wall of the fixed die cavity, and a glue injection pipe which penetrates through the fixed plate, the thimble plate component and the fixed die plate in sequence and then is in butt joint with the water jacket is arranged on the fixed plate;
each spiral waterway is provided with an independent water inlet and an independent water outlet on the fixed die core;
the antenna cover plate is provided with a doghouse structure, and the inclined ejector rod assembly comprises a straight ejector block which is abutted to the doghouse structure.
In a preferred embodiment of the present utility model, the inclined ejector rod assembly further includes a connecting seat slidably embedded on the ejector plate assembly, a first inclined ejector rod with one end penetrating through the connecting seat and connected with the fixed mold plate, and a second inclined ejector rod parallel to the first inclined ejector rod, one end of the second inclined ejector rod sequentially penetrates through the fixed mold plate and the fixed mold core, the other end of the second inclined ejector rod is connected with the connecting seat, one end of the first inclined ejector rod far away from the fixed mold core is connected with the fixed plate, one end of the second inclined ejector rod far away from the connecting seat is provided with an inclined ejector block overlapped with the glue feeding corresponding surface, and the straight ejector block is arranged on one side of the inclined ejector block.
In a preferred embodiment of the present utility model, the straight ejector rod assembly includes a plurality of straight ejector rods, two ends of which are respectively connected with the ejector plate assembly and the parting surface ejector block.
In a preferred embodiment of the present utility model, the fixed die plate is provided with a plurality of guide blocks respectively embedded into the outer periphery of the parting surface pushing block.
In a preferred embodiment of the present utility model, a distance between each spiral waterway and the glue inlet corresponding surface is 15 mm-20 mm.
In a preferred embodiment of the utility model, the diameter of the second angled roof is at least 25mm.
In a preferred embodiment of the utility model, the water inlet and the water outlet are respectively in one-to-one correspondence with two ends of the spiral water tank.
The utility model solves the defects existing in the background technology, and has the beneficial effects that:
(1) A water jacket is additionally arranged between the glue injection pipe and the glue inlet nozzle, a spiral water channel is arranged at the periphery of the water jacket, a spiral water channel can be formed between the water jacket and the fixed die core, and liquid with larger specific heat capacity such as cooling liquid is introduced into the spiral water channel through a separate water inlet and a separate water outlet for cooling part of molten plastic, so that uneven brightness of the surface of a product caused by overhigh temperature of the glue inlet nozzle is prevented, and bright spots are generated;
(2) Through set up one in one side of oblique kicking piece can with antenna cover plate go up the straight kicking piece that doghouse structure supported, when antenna cover plate drawing of patterns, straight kicking piece blocks the bottom side face of doghouse structure, and the straight kicking piece can block the product position of doghouse structure department on the antenna cover plate when the withdrawal, prevents that the antenna cover plate from following the oblique roof and walking together, and then prevents antenna cover plate deformation.
Drawings
The utility model will be further described with reference to the drawings and examples.
Fig. 1 is a schematic structural view of an injection mold for an antenna cover plate of an automobile in a preferred embodiment of the present utility model;
FIG. 2 is a schematic left-hand view of FIG. 1 in accordance with a preferred embodiment of the present utility model;
FIG. 3 is a schematic diagram of the front view of FIG. 1 in accordance with a preferred embodiment of the present utility model;
FIG. 4 is a schematic structural view of the straight ejector block, the rubber injection tube and the straight ejector rod in the preferred embodiment of the utility model when the straight ejector block, the rubber injection tube and the straight ejector rod are arranged on the injection mold for part of the automobile antenna cover plate;
FIG. 5 is a schematic cross-sectional view of FIG. 4 in accordance with a preferred embodiment of the present utility model;
FIG. 6 is a schematic view of the construction of a water jacket in a preferred embodiment of the present utility model;
FIG. 7 is a schematic view of the antenna cover in accordance with the preferred embodiment of the present utility model;
wherein, 1, a fixed template; 2. fixing the die core; 201. a glue feeding corresponding surface; 3. a fixing plate; 4. a mold foot; 5. the thimble plate assembly; 6. parting surface pushing blocks; 7. a glue inlet nozzle; 8. a water jacket; 801. a spiral water tank; 9. a rubber injection pipe; 10. a doghouse structure; 11. a straight top block; 12. a connecting seat; 13. a first inclined ejector rod; 14. a second inclined ejector rod; 15. an inclined top block; 16. a straight ejector rod; 17. and a guide block.
Detailed Description
The utility model will now be described in further detail with reference to the drawings and examples, which are simplified schematic illustrations of the basic structure of the utility model, which are presented only by way of illustration, and thus show only the structures that are relevant to the utility model.
In this embodiment, if a directional instruction (such as up, down, bottom, top, etc.) is provided, the directional instruction is merely used to explain the relative positional relationship between the components, the movement condition, etc. in a certain specific posture, and if the specific posture is changed, the directional instruction is changed accordingly. The terms "first," "second," and the like, 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 defining "a first" or "a second" may explicitly or implicitly include one or more such feature. Unless specifically stated or limited otherwise, the terms "disposed," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
As shown in fig. 1-7, an injection mold for an automobile antenna cover plate comprises a fixed mold plate 1, a fixed mold core 2, a fixed plate 3, mold legs 4 and a thimble plate assembly 5, wherein the mold legs 4 and the thimble plate assembly 5 are arranged between the fixed mold plate 1 and the fixed plate 3, and a parting surface pushing block 6 sleeved on the periphery of the fixed mold core 2 is embedded on the fixed mold plate 1;
the ejector plate assembly 5 is provided with a plurality of groups of inclined ejector rod assemblies with one ends overlapped with the glue feeding corresponding surface 201 on the fixed die core 2 and a straight ejector rod assembly connected with the parting surface pushing block 6;
a plurality of glue inlets 7 are arranged on the glue inlet corresponding surface 201, each glue inlet 7 is connected with a water jacket 8 embedded in the fixed die cavity 2, the periphery of each water jacket 8 is provided with a spiral water channel 801, a spiral water channel is formed by surrounding the water jacket with the inner wall of the fixed die cavity 2, and a glue injection pipe 9 which sequentially passes through the fixed plate 3, the thimble plate assembly 5 and the fixed die plate 1 and then is butted with the water jacket 8 is arranged on the fixed plate 3;
each spiral waterway is provided with an independent water inlet and an independent water outlet on the fixed die core 2;
the antenna cover plate is provided with a doghouse structure 10, and the inclined ejector rod assembly comprises a straight ejector block 11 abutted against the doghouse structure 10.
Specifically, a water jacket 8 is additionally arranged between the glue injection pipe 9 and the glue inlet nozzle 7, and a spiral water channel 801 is arranged on the periphery of the water jacket 8, so that a spiral water channel can be formed between the water jacket 8 and the fixed die core 2, the spiral water channel covers the periphery of the water jacket 8, each spiral water channel is provided with an independent water inlet and an independent water outlet, and the water inlet and the water outlet are respectively in one-to-one correspondence with two ends of the spiral water channel 801. So that when the liquid with larger specific heat capacity such as cooling liquid is introduced into the spiral waterway, two adjacent spiral waterways can not interfere with each other, and meanwhile, the molten plastic in the water jacket 8 can be reduced by a certain temperature by increasing or reducing the liquid flow in the spiral waterway, so that the phenomenon of inconsistent brightness of the surface of a product and bright spots caused by overhigh temperature of the glue inlet nozzle 7 is prevented. Simultaneously through set up one in one side of oblique top piece 15 can with antenna cover board go up the straight kicking block 11 that kennel structure 10 supported, when antenna cover board drawing of patterns, straight kicking block 11 blocks the bottom side face of kennel structure 10, and the straight kicking block 11 can block the product position of kennel structure 10 department on the antenna cover board when the oblique top piece 15 is withdrawed from, prevents that the antenna cover board from following the oblique top and walking together, can effectually prevent that the antenna cover board warp when the drawing of patterns.
In the above embodiment, the material selected for the water jacket 8 is beryllium copper, which has good thermal conductivity.
Further, as shown in fig. 4 and 5, the inclined ejector rod assembly further includes a connecting seat 12 slidably embedded in the ejector plate assembly 5, a first inclined ejector rod 13 with one end penetrating through the connecting seat 12 and connected with the fixed die plate 1, and a second inclined ejector rod 14 parallel to the first inclined ejector rod 13, one end of the second inclined ejector rod 14 sequentially penetrates through the fixed die plate 1 and the fixed die core 2, the other end of the second inclined ejector rod 14 is connected with the connecting seat 12, one end, far away from the fixed die core 2, of the first inclined ejector rod 13 is connected with the fixed plate 3, one end, far away from the connecting seat 12, of the second inclined ejector rod 14 is provided with an inclined ejector block 15 overlapped with the glue feeding corresponding surface 201, and the straight ejector block 11 is arranged on one side of the inclined ejector block 15.
The connecting seat 12 is in a cross shape as a whole, and the thimble plate assembly 5 is provided with a dovetail groove structure corresponding to the shape of the connecting seat 12 and used for limiting the moving direction of the connecting seat 12 so that the connecting seat 12 can only reciprocate along a single direction. When the die is demolded, the ejector plate assembly 5 moves towards the direction of the fixed die plate 1, the second lower ejector rod and the inclined ejector block 15 are pushed to extend out of the glue feeding corresponding surface 201, the antenna cover plate is ejected out of the fixed die core 2, an included angle exists between the axial directions of the first inclined ejector rod 13 and the second inclined ejector rod 14 and the moving direction of the ejector plate assembly 5, and the connecting seat 12 also shifts along the axial direction of the first inclined ejector rod 13 when moving along with the ejector plate, so that the second inclined ejector rod 14 and the inclined ejector block 15 can be ejected obliquely, the inclined ejector block 15 of the part structure embedded into the doghouse structure 10 on the antenna cover plate is pulled out of the doghouse structure 10, and the shape of the antenna cover plate is maintained unchanged by means of the straight ejector block 11 abutted against the doghouse structure 10.
Further, as shown in fig. 1 and 5, the straight ejector rod assembly includes a plurality of straight ejector rods 16, two ends of which are respectively connected with the ejector plate assembly 5 and the parting surface ejector 6. The ejector plate assembly 5 can eject the parting surface pushing block 6 by a distance of 1 mm.
In this embodiment, in order to ensure that the moving direction and the speed of each part of the parting surface pushing block 6 are consistent, a plurality of guide blocks 17 respectively embedded in the outer periphery of the parting surface pushing block 6 are provided on the fixed mold plate 1, and the parting surface pushing block 6 can move along the direction of the guide blocks 17.
And the distance between each spiral waterway and the corresponding glue feeding surface 201 is 15-20 mm, so that the corresponding glue feeding surface 201 is ensured to have enough strength and not easy to deform when the fixed die core 2 and the movable die are clamped. The diameter of the second inclined ejector rod 14 is at least 25mm, so that the second inclined ejector rod 14 and the inclined ejector rod block 15 cannot be completely reset to the bottom, the inclined ejector rod of an antenna cover plate product is prevented from lifting up a step and forming a flash at the inclined ejector rod bottom, meanwhile, a guide sleeve sleeved on the periphery of the second inclined ejector rod 14 is arranged in the fixed die core 2 and used for limiting the ejection direction of the second inclined ejector rod 14, the length of the guide sleeve is between 10mm and 20mm, the axial distance between the guide sleeve and the connecting seat 12 along the second inclined ejector rod 14 is within 250mm, and the suspension length of the second inclined ejector rod 14 is controlled within 250mm so as to ensure that the second inclined ejector rod 14 has enough strength and is not easy to deform.
Working principle: by additionally arranging a water jacket 8 between the glue injection pipe 9 and the glue inlet nozzle 7, a spiral water channel 801 is arranged on the periphery of the water jacket 8, so that a spiral water channel can be formed between the water jacket 8 and the fixed die core 2, the spiral water channel covers the periphery of the water jacket 8, liquid is introduced into the spiral water channel through a water inlet, and is discharged from a water outlet after passing through the spiral water channel around the periphery of the water jacket 8. By increasing or reducing the flow of liquid into the water inlet, the temperature of molten plastic in the water jacket 8 can be reduced, the effect of reducing the temperature of the glue inlet nozzle 7 is achieved, and the phenomenon of generating bright spots on the inner surface of the antenna cover plate is further reduced. And when the antenna cover plate is demolded, the straight jacking block 11 can block the side surface of the bottom of the doghouse structure 10, the straight jacking block 11 can block the product glue position of the doghouse structure 10 on the antenna cover plate when the inclined jacking block 15 is withdrawn, the antenna cover plate is prevented from moving along with the inclined jacking, and the antenna cover plate can be effectively prevented from deforming during demolding.
The above-described preferred embodiments according to the present utility model are intended to suggest that, from the above description, various changes and modifications can be made by the person skilled in the art without departing from the scope of the technical idea of the present utility model. The technical scope of the present utility model is not limited to the description, but must be determined according to the scope of claims.
Claims (7)
1. The utility model provides an injection mold for automobile antenna apron, includes fixed template (1), cover half mould benevolence (2), fixed plate (3) and sets up mould foot (4), thimble board subassembly (5) between fixed template (1) and fixed plate (3), its characterized in that: a parting surface pushing block (6) sleeved on the periphery of the fixed die core (2) is embedded on the fixed die plate (1);
the ejector plate assembly (5) is provided with a plurality of groups of inclined ejector rod assemblies with one ends overlapped with the glue feeding corresponding surface (201) on the fixed die core (2) and a straight ejector rod assembly connected with the parting surface pushing block (6);
a plurality of glue inlets (7) are arranged on the glue inlet corresponding surface (201), each glue inlet (7) is connected with a water jacket (8) embedded in the fixed die cavity (2), a spiral water channel (801) is arranged on the periphery of each water jacket (8), a spiral water channel is formed by surrounding the water jacket and the inner wall of the fixed die cavity (2), and a glue injection pipe (9) which is in butt joint with the water jacket (8) after sequentially penetrating through the fixed plate (3), the thimble plate assembly (5) and the fixed die plate (1) is arranged on the fixed plate (3);
each spiral waterway is provided with an independent water inlet and an independent water outlet on the fixed die core (2);
the antenna cover plate is provided with a doghouse structure (10), and the inclined ejector rod assembly comprises a straight ejector block (11) abutted against the doghouse structure (10).
2. The injection mold for an automotive antenna cover according to claim 1, characterized in that: the inclined ejector rod assembly further comprises a connecting seat (12) and a second inclined ejector rod (14), wherein the connecting seat (12) and one end of the connecting seat are arranged on the ejector plate assembly (5) in a sliding embedded mode, the first inclined ejector rod (13) is connected with the fixed die plate (1) after penetrating through the connecting seat (12), the second inclined ejector rod (14) is arranged in parallel to the first inclined ejector rod (13), one end of the second inclined ejector rod (14) sequentially penetrates through the fixed die plate (1) and the fixed die core (2), the other end of the second inclined ejector rod (14) is connected with the connecting seat (12), one end, far away from the fixed die core (2), of the second inclined ejector rod (14) is provided with an inclined ejector block (15) which is overlapped with the glue feeding corresponding surface (201), and the straight ejector block (11) is arranged on one side of the inclined ejector block (15).
3. The injection mold for an automotive antenna cover according to claim 1, characterized in that: the straight ejector rod assembly comprises a plurality of straight ejector rods (16) with two ends respectively connected with the ejector plate assembly (5) and the parting surface ejector block (6).
4. The injection mold for an automotive antenna cover according to claim 1, characterized in that: the fixed template (1) is provided with a plurality of guide blocks (17) which are respectively embedded into the periphery of the parting surface pushing block (6).
5. The injection mold for an automotive antenna cover according to claim 1, characterized in that: the distance between each spiral waterway and the glue inlet corresponding surface (201) is 15 mm-20 mm.
6. The injection mold for an automotive antenna cover according to claim 2, characterized in that: the diameter of the second inclined ejector rod (14) is at least 25mm.
7. The injection mold for an automotive antenna cover according to claim 1, characterized in that: the water inlet and the water outlet are respectively in one-to-one correspondence with the two ends of the spiral water tank (801).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322126157.6U CN220499868U (en) | 2023-08-09 | 2023-08-09 | Injection mold for automobile antenna cover plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322126157.6U CN220499868U (en) | 2023-08-09 | 2023-08-09 | Injection mold for automobile antenna cover plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220499868U true CN220499868U (en) | 2024-02-20 |
Family
ID=89875101
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322126157.6U Active CN220499868U (en) | 2023-08-09 | 2023-08-09 | Injection mold for automobile antenna cover plate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220499868U (en) |
-
2023
- 2023-08-09 CN CN202322126157.6U patent/CN220499868U/en active Active
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