CN219820500U - Injection molding mold for large-sized automobile back door decorative plate - Google Patents
Injection molding mold for large-sized automobile back door decorative plate Download PDFInfo
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- CN219820500U CN219820500U CN202321088286.4U CN202321088286U CN219820500U CN 219820500 U CN219820500 U CN 219820500U CN 202321088286 U CN202321088286 U CN 202321088286U CN 219820500 U CN219820500 U CN 219820500U
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- ejector pin
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- 238000001746 injection moulding Methods 0.000 title claims abstract description 20
- 239000002994 raw material Substances 0.000 claims abstract description 31
- 238000002347 injection Methods 0.000 claims abstract description 30
- 239000007924 injection Substances 0.000 claims abstract description 30
- 238000010438 heat treatment Methods 0.000 claims abstract description 8
- 238000000465 moulding Methods 0.000 claims abstract description 6
- 230000000149 penetrating effect Effects 0.000 claims abstract description 6
- 239000000463 material Substances 0.000 claims description 12
- 238000005485 electric heating Methods 0.000 claims description 9
- 238000010030 laminating Methods 0.000 claims description 9
- 238000000034 method Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
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- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The utility model discloses an injection molding mold for a large-sized automobile back door decorative plate, which comprises the following components: the top of the fixed die holder is fixedly provided with a convex die plate, the upper surface of the convex die plate is provided with a concave die plate in a fitting way, the convex die plate and the concave die plate form a molding structure of the die, and the top of the concave die plate is fixedly provided with a movable die holder; further comprises: the sprue bush is fixedly arranged at the center of the top of the movable die holder in a penetrating manner, the lower port of the sprue bush is fixedly communicated with the runner piece, the upper port of the sprue bush is positioned above the movable die holder, and the bottom surface of the runner piece is fixedly arranged on the concave die plate; and the insert is mounted in the bottom forming cavity of the concave template in a fitting way. This large-scale car back door decorative board injection moulding mould, its raw materials injection structure possesses heating capacity, and in the device use, can make the raw materials that gets into in the mould keep higher temperature to improved the mobility of the inside raw materials of mould, and the device is provided with the automatic demoulding structure of multiple spot.
Description
Technical Field
The utility model relates to the technical field of automobile injection molds, in particular to an injection molding mold for a large automobile back door decorative plate.
Background
In order to reduce the weight of the whole automobile and improve the attractiveness, the automobile back door decorative plate is usually made of plastic materials, in the production process of the decorative plate, molten raw materials are required to be injected into an injection mold through an injection machine, and after a period of cooling, a product can be obtained, however, the existing injection mold still has some problems.
For example, an injection mold with high stability for automobile accessory production with the publication number of CN218535422U comprises a workbench, wherein the top of the workbench is fixedly connected with a lower mold, one side of the lower mold is fixedly connected with a limiting spring, the inner wall of the limiting spring is fixedly connected with a limiting pin, one end of the limiting pin is fixedly connected with a pull plate, and the top of the lower mold is movably connected with an upper mold;
above-mentioned device, its raw materials injection structure does not possess heating ability, and in the device use, the temperature decline when the raw materials flows through injection structure to lead to the mobility of the inside raw materials of follow-up mould to become bad, and the inside automatic demoulding structure that does not set up of device.
Aiming at the problems, innovative design is urgently needed on the basis of the original injection mold.
Disclosure of Invention
The utility model aims to provide an injection molding die for a large-sized automobile back door decorative plate, which solves the problems that the prior injection molding die is provided in the prior art, a raw material injection structure of the injection molding die does not have heating capability, the temperature of the raw material is reduced when the raw material flows through the injection structure in the using process of the device, the fluidity of the raw material in the subsequent die is poor, and an automatic demolding structure is not arranged in the device.
In order to achieve the above purpose, the present utility model provides the following technical solutions: injection molding die for large-sized automobile back door decorative plate, comprising:
injection molding die for large-sized automobile back door decorative plate, comprising:
the top of the fixed die holder is fixedly provided with a convex die plate, the upper surface of the convex die plate is provided with a concave die plate in a fitting way, the convex die plate and the concave die plate form a molding structure of the die, and the top of the concave die plate is fixedly provided with a movable die holder;
further comprises:
the sprue bush is fixedly arranged at the center of the top of the movable die holder in a penetrating manner, the lower port of the sprue bush is fixedly communicated with the runner piece, the upper port of the sprue bush is positioned above the movable die holder, and the bottom surface of the runner piece is fixedly arranged on the concave die plate;
the insert is installed in the bottom forming cavity of the female die plate in a fitting mode, the inserts are symmetrically distributed on two sides of the top of the male die plate, two ends of a product piece are arranged between the inserts, the inserts drive the two sides of the bottom to be provided with lugs, the lugs are embedded in the male die plate to form a sliding guide structure, and the product piece is arranged between the male die plate and the female die plate in a fitting mode.
Preferably, the upper surface and the lower surface of the runner piece are fixedly embedded with electric heating rings to form a heating structure, the bottom of the runner piece is fixedly communicated with a vertically arranged material injection cylinder, and the material injection cylinder is fixedly and penetratingly arranged on the female die plate, so that the electric heating rings can heat raw materials in the runner piece.
Preferably, the guide chute of the convex mold plate is arranged at the lower port of the material injection barrel so as to facilitate raw material injection into the mold, and the side of the guide chute on the convex mold plate is provided with the product piece, so that raw materials in the flow passage piece can flow out through a plurality of material injection pipes, and the working efficiency is improved.
Preferably, the oil cylinders which are symmetrically distributed are fixedly arranged on two sides of the male die plate, the oil cylinders are vertically arranged, the output ends of the oil cylinders are fixedly connected to the push plate, the push plate is horizontally attached to the inner wall of the fixed die holder to form a sliding lifting structure, and the oil cylinders can drive the push plate to move.
Preferably, the push plate is provided with guide posts which are symmetrically distributed in a sliding penetrating manner, the upper end and the lower end of each guide post are respectively and fixedly connected with the fixed die holder and the convex die plate to form a guide structure, the top of the push plate is fixedly connected with a first straight ejector rod and a second straight ejector rod, the first straight ejector rod and the second straight ejector rod are arranged in a sliding penetrating manner on the convex die plate, the upper end face of the first straight ejector rod is in contact with the bottom of a product piece, the top end of the second straight ejector rod is in contact with the bottom of a corresponding insert, and the bottom of the insert is obliquely arranged, so that the second straight ejector rod can push the insert to move.
Preferably, the laminating is provided with the ejector pad on the bottom inner wall of product spare, and the ejector pad laminating is inlayed and is established the top of protruding template to the one end of the bottom fixedly connected with oblique ejector pin of ejector pad, the other end rotation of oblique ejector pin is connected on the connecting piece moreover, oblique ejector pin slip run through simultaneously in the bottom setting of protruding template, connecting piece fixed connection is in the push pedal for the connecting piece can drive oblique ejector pin and remove.
Compared with the prior art, the utility model has the beneficial effects that: this large-scale car back door decorative board injection moulding mould, its raw materials injection structure possesses heating capacity, and in the device use, can make the raw materials that gets into in the mould keep higher temperature to improved the mobility of the inside raw materials of mould, and the device is provided with the automatic demoulding structure of multiple spot, its concrete content is as follows:
1. the lower port of the sprue bush is fixedly communicated with the runner piece, the upper port of the sprue bush is positioned above the movable die holder, the upper surface and the lower surface of the runner piece are fixedly embedded with electric heating rings to form a heating structure, the external injection machine injects molten raw materials into the runner piece through the sprue bush, in the process, the electric heating rings are synchronously started, and the raw materials in the runner piece are heated by the electric heating rings, so that the raw materials can be kept at a higher temperature;
2. push pedal top fixedly connected with first ejector pin and the straight ejector pin of second, first ejector pin and the straight ejector pin of second slip run through in the punch plate setting, the up end of first ejector pin and the bottom contact of product spare, the laminating is provided with the ejector pad on the bottom inner wall of product spare, and the ejector pad laminating inlays and establish the top at the punch plate, the one end of ejector pad bottom fixedly connected with oblique ejector pin, the other end rotation of oblique ejector pin is connected on the connecting piece, connecting piece fixed connection is in the push pedal, when the push pedal removes, the push pedal will drive first ejector pin synchronous movement for a plurality of first ejector pins can be ejecting the product spare, the connecting piece on the push pedal will drive oblique ejector pin synchronous movement, make the oblique ejector pin drive the ejector pad ejecting with the product spare.
Drawings
FIG. 1 is a schematic view of the overall external structure of the present utility model;
FIG. 2 is a schematic view of a sprue bush mounting structure of the present utility model;
FIG. 3 is a schematic view of the flow channel member mounting structure of the present utility model;
FIG. 4 is a schematic view of the mounting structure of the injection cylinder of the present utility model;
FIG. 5 is a schematic view of a male die plate mounting structure of the present utility model;
FIG. 6 is a schematic view of a guide post mounting structure of the present utility model;
FIG. 7 is a schematic view of the mounting structure of the tilt lever of the present utility model;
fig. 8 is an enlarged schematic view of the structure of fig. 7 a according to the present utility model.
In the figure: 1. a fixed die holder; 2. a male template; 3. a female template; 4. a movable die holder; 5. a sprue bush; 6. a flow path member; 7. an electric heating ring; 8. a material injection cylinder; 9. a product piece; 10. an insert; 11. a push plate; 12. an oil cylinder; 13. a guide post; 14. a first straight ejector rod; 15. a connecting piece; 16. an inclined ejector rod; 17. a pushing block; 18. and a second straight ejector rod.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-8, the present utility model provides a technical solution: injection molding die for large-sized automobile back door decorative plate, comprising:
the top of the fixed die holder 1 is fixedly provided with a convex die plate 2, the upper surface of the convex die plate 2 is provided with a concave die plate 3 in a fitting way, the convex die plate and the concave die plate form a molding structure of a die, and the top of the concave die plate 3 is fixedly provided with a movable die holder 4;
further comprises:
the sprue bush 5 is fixedly arranged at the center of the top of the movable die holder 4 in a penetrating manner, the lower port of the sprue bush 5 is fixedly communicated with the runner piece 6, the upper port of the sprue bush 5 is positioned above the movable die holder 4, and the bottom surface of the runner piece 6 is fixedly arranged on the female die plate 3;
the inserts 10 are mounted in the bottom forming cavity of the female die plate 3 in a fitting mode, the inserts 10 are symmetrically distributed on two sides of the top of the male die plate 2, two ends of a product piece 9 are arranged between the inserts 10, the inserts 10 drive the two sides of the bottom to be provided with lugs, the lugs are embedded in the male die plate 2 to form a sliding guide structure, and the product piece 9 is mounted between the male die plate 2 and the female die plate 3 in a fitting mode.
The upper and lower both sides of runner spare 6 are all fixed to inlay and are equipped with electric heat ring 7 and form heating structure, and the fixed intercommunication in bottom of runner spare 6 has the annotate feed cylinder 8 of vertical setting, and annotate feed cylinder 8 fixed through-mounting on female die plate 3, external injection machine is through runner spare 6 with the raw materials injection, and the lower port department of annotating feed cylinder 8 is provided with the baffle box of protruding template 2 so that to the injection raw materials in the mould, and the baffle box avris on the protruding template 2 is equipped with product piece 9, utilize electric heat ring 7 to heat the raw materials in the runner spare 6, and the raw materials in the runner spare 6 can flow through annotating feed cylinder 8.
The cylinder 12 of symmetry distribution is fixedly installed on the both sides of the convex template 2, and the cylinder 12 is vertical to be set up, and the output fixed connection of cylinder 12 is on push pedal 11, and push pedal 11 horizontal laminating sets up the bottom contact of the bottom of the corresponding insert 10 on cover half seat 1, make cylinder 12 can drive push pedal 11 upwards move, and push pedal 11 is last to slide and run through and install symmetrical distributed's guide pillar 13, and the upper and lower both ends of guide pillar 13 respectively fixed connection forms guide structure on cover half seat 1 and convex template 2, and push pedal 11 top fixedly connected with first straight ejector pin 14 and second straight ejector pin 18, and first straight ejector pin 14 and second straight ejector pin 18 slide and run through in convex template 2, and the up end of first straight ejector pin 14 and the bottom contact of product piece 9, and the top of second straight ejector pin 18 and the bottom contact of corresponding insert 10, and the bottom slope of insert 10 set up, push pedal 11 will drive first straight ejector pin 14 and second straight ejector pin 18 and simultaneously the ejector pin 16 through connecting piece 15 and drive oblique ejector pin 16 and move, make ejector pin 16 drive ejector pin 17 upwards move, and because the bottom of the product piece 9 is set up in the bottom contact with the bottom of insert 17 on the convex template 2, and the top of the top piece 17 is connected with the top of the top piece 17 simultaneously, the top of the top piece 17 is connected with the top of the top piece 17.
Working principle: when the injection molding die for the large-sized automobile back door decorative plate is used, firstly referring to fig. 1-8, a product piece 9 in the die is in a finished state, in the injection molding production process of the die, molten raw materials are injected into a sprue bush 5 by an external injection machine, the raw materials in the sprue bush 5 flow into a runner piece 6, then the raw materials in the runner piece 6 are injected into a molding cavity between a male die plate 2 and a female die plate 3 through a plurality of injection cylinders 8, so that the working efficiency is improved, in the process, an electric heating ring 7 is synchronously started, and the raw materials in the runner piece 6 are heated by the electric heating ring 7, so that the raw materials can be kept at a higher temperature, and the fluidity of the molten raw materials is ensured;
referring to fig. 1-8, when a user needs to perform a demolding operation, the movable mold base 4 is driven to move by external equipment, at this time, the movable mold base 4 drives the female mold plate 3 to be far away from the male mold plate 2 to perform a real-time mold opening, then the oil cylinders 12 are started, the output ends of the four oil cylinders 12 drive the push plates 11 to move upwards along the guide posts 13, the push plates 11 drive the first straight push rods 14 and the second straight push rods 18 to synchronously move, the product piece 9 is pushed by the plurality of first straight push rods 14 to perform demolding, meanwhile, the second straight push rods 18 apply thrust to the bottom of the insert 10, so that the insert 10 slides along the inclined guide groove on the male mold plate 2, at this time, the insert 10 is far away from the product piece 9, in the process, the push plates 11 drive the inclined push rods 16 connected by the rotating shafts to move upwards through the connecting pieces 15, so that the inclined push rods 16 can slide in the male mold plate 2, and meanwhile, the push blocks 17 at the tops of the inclined push rods 16 synchronously move upwards to jack up the product piece 9, so that the product piece 9 is ejected, and multiple demolding of the product piece 9 are realized.
Although the present utility model has been described with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present utility model.
Claims (6)
1. Injection molding die for large-sized automobile back door decorative plate, comprising:
the die comprises a fixed die holder (1), wherein a convex die plate (2) is fixedly arranged at the top of the fixed die holder, a concave die plate (3) is attached to the upper surface of the convex die plate (2), the convex die plate and the concave die plate form a molding structure of a die, and a movable die holder (4) is fixedly arranged at the top of the concave die plate (3);
characterized by further comprising:
the sprue bush (5) is fixedly arranged at the center of the top of the movable die holder (4) in a penetrating manner, the lower port of the sprue bush (5) is fixedly communicated with the runner piece (6), the upper port of the sprue bush (5) is positioned above the movable die holder (4), and the bottom surface of the runner piece (6) is fixedly arranged on the female die plate (3);
insert (10), it laminating is installed in the bottom molding cavity of concave mould board (3), insert (10) symmetric distribution is in the top both sides of punch plate (2), and be provided with the both ends of product piece (9) between insert (10) to insert (10) drive the bottom both sides and be provided with the lug, the lug inlays moreover and establishes punch plate (2) form slip guide structure, product piece (9) laminating sets up between punch plate (2) and concave mould board (3).
2. The injection molding die for a large automobile back door trim panel according to claim 1, wherein: the upper surface and the lower surface of the runner piece (6) are fixedly embedded with electric heating rings (7) to form a heating structure, the bottom of the runner piece (6) is fixedly communicated with a vertically arranged material injection cylinder (8), and the material injection cylinder (8) is fixedly and penetratingly arranged on the female die plate (3).
3. The injection molding die for a large automobile back door trim panel according to claim 2, wherein: the material injection cylinder is characterized in that a material guide groove of the convex template (2) is arranged at the lower port of the material injection cylinder (8) so as to facilitate the injection of raw materials into the die, and a product piece (9) is arranged on the side of the material guide groove on the convex template (2).
4. The injection molding die for a large automobile back door trim panel according to claim 1, wherein: the two sides of the male die plate (2) are fixedly provided with symmetrically-distributed oil cylinders (12), the oil cylinders (12) are vertically arranged, the output ends of the oil cylinders (12) are fixedly connected to the push plate (11), and the push plate (11) is horizontally attached to the inner wall of the fixed die seat (1) to form a sliding lifting structure.
5. The injection molding die for the large automobile back door decorative plate according to claim 4, wherein: the utility model discloses a mould, including fixed mould seat (1), punch plate (2), push pedal (11), fixed mould seat (1), push pedal (11), slide on push pedal (11) run through install symmetrically distributed's guide pillar (13), and the upper and lower both ends of guide pillar (13) are in respectively fixed connection forms guide structure on fixed mould seat (1) and punch plate (2), and push pedal (11) top fixedly connected with first straight ejector pin (14) and second straight ejector pin (18), first straight ejector pin (14) and second straight ejector pin (18) slip run through in punch plate (2) set up, and the up end of first straight ejector pin (14) and the bottom contact of product piece (9), and the top of second straight ejector pin (18) and the bottom contact of corresponding insert (10), the bottom slope setting of insert (10) moreover.
6. The injection molding die for a large automobile back door trim panel according to claim 1, wherein: the laminating is provided with ejector pad (17) on the bottom inner wall of product piece (9), and ejector pad (17) laminating is inlayed and is established the top of punch plate (2) to the one end of ejector pad (17)'s bottom fixedly connected with oblique ejector pin (16), the other end of oblique ejector pin (16) rotates moreover and connects on connecting piece (15), oblique ejector pin (16) slip run through simultaneously in the bottom setting of punch plate (2), connecting piece (15) fixed connection is on push pedal (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321088286.4U CN219820500U (en) | 2023-05-09 | 2023-05-09 | Injection molding mold for large-sized automobile back door decorative plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321088286.4U CN219820500U (en) | 2023-05-09 | 2023-05-09 | Injection molding mold for large-sized automobile back door decorative plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219820500U true CN219820500U (en) | 2023-10-13 |
Family
ID=88280600
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321088286.4U Active CN219820500U (en) | 2023-05-09 | 2023-05-09 | Injection molding mold for large-sized automobile back door decorative plate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219820500U (en) |
-
2023
- 2023-05-09 CN CN202321088286.4U patent/CN219820500U/en active Active
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