CN112590138A - Quick drawing of patterns's injection mold for car lamp shade - Google Patents

Quick drawing of patterns's injection mold for car lamp shade Download PDF

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Publication number
CN112590138A
CN112590138A CN202011477423.4A CN202011477423A CN112590138A CN 112590138 A CN112590138 A CN 112590138A CN 202011477423 A CN202011477423 A CN 202011477423A CN 112590138 A CN112590138 A CN 112590138A
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CN
China
Prior art keywords
plate
lower die
upper die
side wall
mounting plate
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
CN202011477423.4A
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Chinese (zh)
Inventor
王峻
虞玉珏
祁岳炳
罗壮业
于胜众
黄文翼
谈国仁
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Changzhou Saida Electric Co ltd
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Changzhou Saida Electric Co ltd
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Filing date
Publication date
Application filed by Changzhou Saida Electric Co ltd filed Critical Changzhou Saida Electric Co ltd
Priority to CN202011477423.4A priority Critical patent/CN112590138A/en
Publication of CN112590138A publication Critical patent/CN112590138A/en
Withdrawn legal-status Critical Current

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17—Component parts, details or accessories; Auxiliary operations
    • B29C45/40—Removing or ejecting moulded articles
    • B29C45/4005—Ejector constructions; Ejector operating mechanisms
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17—Component parts, details or accessories; Auxiliary operations
    • B29C45/1759—Removing sprues from sprue-channels
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2031/00—Other particular articles
    • B29L2031/30—Vehicles, e.g. ships or aircraft, or body parts thereof
    • B29L2031/3055—Cars
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2031/00—Other particular articles
    • B29L2031/747—Lightning equipment
    • B29L2031/7472—Lampshades

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  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)

Abstract

The invention discloses an injection mold for an automobile lampshade, which can be rapidly demolded, and relates to the technical field of automobile processing equipment; the die comprises an upper die mounting plate, a lower die mounting plate, an upper die mechanism and a lower die mechanism, wherein a feeding nozzle is inserted in the upper die mounting plate, the feeding nozzle penetrates through the upper die mounting plate and is inserted in a die cavity in the upper die mechanism, the upper die mechanism further comprises an upper die material pushing plate, a spring, a material releasing hook and a connecting bolt, the lower die mechanism is arranged on the other side of the upper die mechanism, four corners of one side wall of a first fixing plate in the lower die mechanism are respectively fixed with a pad foot, the pad feet are fixed on one side wall of the lower die mounting plate, and the lower die mechanism further comprises a second fixing plate, a lower die core, a lower die material pushing plate, a first top plate; after the injection molding is finished, the molded raw materials and the waste materials can be easily taken down without manual demolding, and the effect of quick demolding is achieved.

Description

Quick drawing of patterns's injection mold for car lamp shade
Technical Field
The invention relates to the technical field of automobile processing equipment, in particular to an injection mold for an automobile lampshade, which can be rapidly demolded.
Background
The mould, the industrial production is used for injection moulding, blow moulding, squeezing, die-casting, forging and pressing, various moulds and tools of the required products are obtained, this kind of tool is formed by various parts, different moulds are formed by different parts, it mainly realizes the processing of the appearance of the article through the change of the physical state of the formed material, in the course of processing the car lamp shade, namely need to use the lamp shade mould, when the existing mould carries on the injection moulding production, need to close the movable template and fixed template of the mould together, inject the raw materials of shaping into the die cavity, but after finishing injecting plastics, when demolding, need to be manually taken off the raw materials of shaping, and the raw materials in the feed chute on the die cavity of the mould can't be taken off easily, and then can't achieve the effect of demolishing fast.
Disclosure of Invention
The invention aims to overcome the defects and shortcomings of the prior art, and provides the rapid demoulding injection mold for the automobile lampshade, which is reasonable in design and convenient to use.
In order to achieve the purpose, the invention adopts the technical scheme that: the feeding device comprises an upper die mounting plate, a lower die mounting plate, an upper die mechanism and a lower die mechanism, wherein a feeding nozzle is inserted in the upper die mounting plate, the feeding nozzle penetrates through the upper die mounting plate and is inserted in a die cavity in the upper die mechanism, the lower die mechanism is arranged on the other side of the upper die mechanism, and four corners of one side wall of a first fixing plate in the lower die mechanism are respectively fixed with a pad foot which is fixed on one side wall of the lower die mounting plate;
the upper die mechanism also comprises an upper die push plate, a spring, a demoulding hook and a connecting bolt, wherein four corners of a die cavity are provided with a first groove, the first groove is internally provided with the connecting bolt, the connecting bolt respectively penetrates through a side wall of the first groove and the upper die push plate in sequence and then is screwed with the upper die mounting plate through threads, four corners of the upper die mounting plate adjacent to one side of the upper die push plate are respectively provided with a second groove, the second groove is internally provided with the spring, the other end of the spring respectively penetrates through the second groove and then is fixed on one side wall of the upper die push plate, four corners of the upper die push plate are respectively movably inserted with a guide pipe, one end of the guide pipe is inserted and fixed in the upper die mounting plate, the other end of the guide pipe is movably inserted in the die cavity, a guide rod is inserted in the guide pipe, and the other end of the guide pipe sequentially penetrates through one end, the fixing plate is arranged in a manner of abutting against the first fixing plate, a demoulding hook is arranged on one side of the mould cavity and arranged on one side of a feeding groove in the mould cavity, the other end of the demoulding hook penetrates through the upper mould material pushing plate and the upper mould mounting plate in sequence and is fixedly connected with a fixing piece, the fixing piece is embedded in a clamping groove in one side wall of the upper mould mounting plate and is fixed through a bolt, and the outer side wall of the fixing piece and one side wall of the upper mould mounting plate are arranged in the same plane;
the lower die mechanism also comprises a second fixing plate, a lower die mold core, a lower die material pushing plate, a first top plate, a second top plate and a top rod, wherein the second fixing plate is arranged on one side of the first fixing plate, the lower die mold core is inserted into the center of the second fixing plate, the other side of the lower die mold core sequentially penetrates through the second fixing plate and the lower die material pushing plate and is suspended on one side of a mold cavity, the second fixing plate is connected with the first fixing plate through bolts, guide grooves are formed in the four corners of the lower die material pushing plate adjacent to the side wall of the mold cavity and are respectively corresponding to the connecting bolts, the inner diameter of each guide groove is larger than the outer diameter of the connecting bolt, the top rods are fixed at the four corners of the side wall of the lower die material pushing plate, the other end of each top rod sequentially penetrates through the second fixing plate, the first fixing plate and the first top plate and is, no. two roofs are provided with through grooves in the center of the lower die mounting plate.
Furthermore, the spring is internally inserted with a guide rod, the outer end of the guide rod is fixed on one side wall of the upper die material pushing plate, the other end of the guide rod penetrates through the inner side wall of the second groove and is movably inserted into a sliding groove formed in the upper die mounting plate, and the guide rod supports and limits the spring in the moving process of the upper die material pushing plate.
Furthermore, the inner wall of the guide pipe is provided with an annular groove, a limiting ring is arranged in the annular groove in a sliding mode, the limiting ring is connected with the inner end of the guide rod in a screwing mode through threads, and when the guide rod slides in the guide pipe, the inner end of the guide rod is limited through the limiting ring.
Furthermore, the four corners that No. two fixed plates are adjacent to the lateral wall of fixed plate one side all be equipped with No. three recesses, all be equipped with spacing piece No. one in this No. three recesses, a lateral wall of this spacing piece is the coplanar setting with a lateral wall of No. two fixed plates, and a spacing piece and a fixed plate inconsistent setting, another lateral wall of a spacing piece respectively with the one end fixed connection of guide arm, a spacing piece card is established in No. three recesses, a fixed plate carries on spacingly to a spacing piece, and then makes a spacing piece carry on spacingly to the guide arm.
Further, the four corners that a roof is adjacent to the lateral wall on one side of No. two roofs all be equipped with No. four recesses, all inlay in this No. four recesses and be equipped with No. two spacing pieces, a lateral wall of this No. two spacing pieces is the coplanar setting with a lateral wall of a roof, and No. two spacing pieces and No. two roof inconsistent settings, another lateral wall of No. two spacing pieces respectively with the one end fixed connection of ejector pin, No. two spacing piece cards are established in No. four recesses, No. two roofs carry on spacingly to No. two spacing pieces, and then make No. two spacing pieces carry on spacingly to the ejector pin.
Further, the upper and lower both sides of No. two fixed plates all be equipped with the connecting rod, waist shape hole has all been seted up to the left and right sides of this connecting rod, left waist shape is downthehole all to be inserted and is equipped with the locating lever No. one, this locating lever passes left waist shape hole respectively after, connect soon through the upper and lower both sides wall of screw thread with No. two fixed plates, all insert in the waist shape hole on right side and be equipped with the locating lever No. two, this No. two locating levers pass after the waist shape hole on right side, connect soon through the upper and lower both sides wall of screw thread with the mould die cavity, after the completion of moulding plastics, when the injection molding machine drives lower die mechanism through the lower mould mounting panel and removes, after certain distance.
The working principle of the invention is as follows: before use, the lower die mounting plate and the upper die mounting plate are respectively fixed at the movable end and the fixed end of the injection molding machine, the second top plate is fixed on the top plate at the movable end of the injection molding machine, the feeding nozzle is connected with the raw material bin, when the injection molding machine is started, the injection molding machine drives the lower die mounting plate to move towards one side of the upper die mechanism until the lower die mold core is inserted into the mold cavity, raw materials enter the mold cavity through the feeding nozzle, after the raw materials are molded, the injection molding machine drives the lower die mounting plate to restore to the initial position, the lower die mounting plate drives the lower die mechanism to move, the first top plate and the second top plate are pushed by the top plate on the injection molding machine, when the raw materials are pushed, the lower die material pushing plate is pushed by the top rod, so that the raw materials on the lower die core are pushed down from the lower die core, the lower die mechanism drives, because the die cavity is separated from the upper die pushing plate, the upper die pushing plate is pushed to the outer side under the elastic force of the spring, and at the moment, the waste on the demolding hook is unloaded through the upper die pushing plate, so that the worker is not required to unload the waste.
After adopting the structure, the invention has the beneficial effects that:
1. a lower die material pushing plate is sleeved on the outer side of the lower die core, and after injection molding is completed, a finished product is pushed down from the lower die core through the lower die material pushing plate, so that demolding can be easily performed;
2. a feeding groove of the mold cavity is internally provided with a demolding hook, and after injection molding is finished, waste materials at the opening part of the feeding groove are taken out through the demolding hook, so that demolding is convenient;
3. an upper die material pushing plate is arranged between the die cavity and the upper die mounting plate, and after injection molding is completed, waste materials on the demolding hooks are pushed through the upper die material pushing plate, so that demolding can be accelerated.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a top view of fig. 1.
Fig. 3 is a sectional view taken along line a-a in fig. 2.
Fig. 4 is an enlarged view of the portion C in fig. 3.
Fig. 5 is an enlarged view of a portion D in fig. 3.
Fig. 6 is a sectional view taken along line B-B in fig. 2.
Fig. 7 is an enlarged view of a portion E of fig. 6.
Fig. 8 is an enlarged view of portion F of fig. 6.
Fig. 9 is a schematic view of the structure of the release hook in the present invention.
Fig. 10 is a schematic structural view of a lower die stripper plate according to the present invention.
Description of reference numerals:
an upper die mounting plate 1, a lower die mounting plate 2, an upper die mechanism 3, a die cavity 3-1, an upper die material pushing plate 3-2, a spring 3-3, a demoulding hook 3-4, a connecting bolt 3-5, a first groove 3-6, a second groove 3-7, a guide pipe 3-8, a guide rod 3-9, a fixing piece 3-10, a lower die mechanism 4, a first fixing plate 4-1, a second fixing plate 4-2, a lower die core 4-3, a lower die material pushing plate 4-4, a first top plate 4-5, a second top plate 4-6, a top rod 4-7, a guide groove 4-8, a feeding nozzle 5, a pad foot 6, a guide rod 7, an annular groove 8, a third groove 9, a first limiting plate 10, a fourth groove 11, a second limiting plate 12, a connecting rod 13, a waist-shaped hole 14, a first positioning rod 15, a second positioning rod, A second positioning rod 16 and a limit ring 17.
The specific implementation mode is as follows:
the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1 to 10, the following technical solutions are adopted in the present embodiment: the die comprises an upper die mounting plate 1, a lower die mounting plate 2, an upper die mechanism 3 and a lower die mechanism 4, wherein a feeding nozzle 5 is inserted in the upper die mounting plate 1, the feeding nozzle 5 is inserted in a die cavity 3-1 in the upper die mechanism 3 after penetrating through the upper die mounting plate 1, the upper die mechanism 3 further comprises an upper die material pushing plate 3-2, a spring 3-3, a demoulding hook 3-4 and a connecting bolt 3-5, four corners of the die cavity 3-1 are respectively provided with a first groove 3-6, the first groove 3-6 is internally provided with the connecting bolt 3-5, the connecting bolt 3-5 respectively penetrates through the right side wall of the first groove 3-6 and the upper die material pushing plate 3-2 in sequence and then is connected with the upper die mounting plate 1 in a screwing manner through threads, four corners of the upper die mounting plate 1 adjacent to one side of the upper die material pushing plate 3-2 are respectively provided with, the second groove 3-7 is internally welded and fixed with a spring 3-3, the left end of the spring 3-3 passes through the second groove 3-7 respectively and then is welded and fixed on the right side wall of the upper die material pushing plate 3-2, a guide rod 7 is inserted in the spring 3-3, the outer end of the guide rod 7 is welded and fixed on the right side wall of the upper die material pushing plate 3-2, the right end of the guide rod 7 passes through the inner side wall of the second groove 3-7 and then is movably inserted in a chute in the upper die mounting plate 1, the upper die material pushing plate 3-2 can increase the stability of the spring 3-3 in the moving process, the four corners of the upper die material pushing plate 3-2 are movably inserted with guide pipes 3-8, the right end of the guide pipe 3-8 is inserted and welded and fixed in the upper die mounting plate 1, and the left end of the guide pipe 3-8 is movably inserted in a die cavity 3-1, a guide rod 3-9 is inserted in the guide tube 3-8, the left end of the guide rod 3-9 sequentially passes through the left end of the guide tube 3-8 and the left side wall of the die cavity 3-1 and then is connected with a first fixing plate 4-1, four corners of the side wall of a second fixing plate 4-2 adjacent to one side of the first fixing plate 4-1 are respectively provided with a third groove 9, a first limiting piece 10 is arranged in each third groove 9, the left side wall of the first limiting piece 10 and the left side wall of the second fixing plate 4-2 are arranged in the same plane, the first limiting piece 10 is arranged in a manner of being abutted against the first fixing plate 4-1, the right side wall of the first limiting piece 10 is respectively welded and fixed with the left end of the guide rod 3-9, the first limiting piece 10 is clamped in the third groove 9, the guide rod 3-9 is not welded and fixed with the first fixing plate 4-1, thereby facilitating the replacement of the guide rods 3-9, the inner wall of the guide pipe 3-8 is provided with an annular groove 8, a limit ring 17 is arranged in the annular groove 8 in a sliding way, the limit ring 17 is screwed with the inner end of the guide rod 3-9 through threads, when the guide rod 3-9 slides in the guide pipe 3-8, the guide rod 3-9 can be prevented from falling from the guide pipe 3-8, the right side of the die cavity 3-1 is provided with a demoulding hook 3-4, the demoulding hook 3-4 is arranged in the right side of the feeding groove in the mould cavity 3-1, after the right end of the demoulding hook 3-4 sequentially passes through the upper mould material pushing plate 3-2 and the upper mould mounting plate 1, is welded and fixed with the fixed sheets 3-10, the fixed sheets 3-10 are embedded in the clamping grooves on the right side wall of the upper die mounting plate 1, the outer side walls of the fixing pieces 3-10 and the right side wall of the upper die mounting plate 1 are arranged in the same plane;
the left side of the upper die mechanism 3 is provided with a lower die mechanism 4, four corners of the left side wall of a first fixing plate 4-1 in the lower die mechanism 4 are respectively welded and fixed with a foot pad 6, the foot pad 6 is welded and fixed on the right side wall of a lower die mounting plate 2, the lower die mechanism 4 also comprises a second fixing plate 4-2, a lower die mold core 4-3, a lower die material pushing plate 4-4, a first top plate 4-5, a second top plate 4-6 and a top rod 4-7, the right side of the first fixing plate 4-1 is provided with a second fixing plate 4-2, the center of the second fixing plate 4-2 is inserted and fixed with the lower die mold core 4-3 through a bolt, the right side of the lower die mold core 4-3 passes through the second fixing plate 4-2 and the lower die material pushing plate 4-4 in sequence and then is suspended on the left side of, the second fixing plate 4-2 is connected with the first fixing plate 4-1 through bolts, connecting rods 13 are arranged on the upper side and the lower side of the second fixing plate 4-2, waist-shaped holes 14 are formed in the left side and the right side of each connecting rod 13, a first positioning rod 15 is inserted in each waist-shaped hole 14 on the left side, the first positioning rod 15 is screwed with the upper side wall and the lower side wall of the second fixing plate 4-2 through threads after penetrating through the waist-shaped hole 14 on the left side, a second positioning rod 16 is inserted in each waist-shaped hole 14 on the right side, the second positioning rod 16 is screwed with the upper side wall and the lower side wall of the mold cavity 3-1 through threads after penetrating through the waist-shaped hole 14 on the right side, the mold cavity 3-1 can be conveniently driven to move, the mold cavity 3-1 is separated from the upper mold push plate 3-2, guide grooves 4-8 are formed in the four corners, the guide grooves 4-8 are respectively arranged corresponding to the connecting bolts 3-5, the inner diameter of the guide grooves 4-8 is larger than the outer diameter of the connecting bolts 3-5, four corners of the left side wall of the lower die material pushing plate 4-4 are welded and fixed with ejector rods 4-7, the left end of the ejector rod 4-7 sequentially passes through the second fixing plate 4-2, the first fixing plate 4-1 and the first top plate 4-5 and then is connected with the second top plate 4-6, the second top plate 4-6 is connected with the first top plate 4-5 through bolts, the second top plate 4-6 is arranged in a through groove at the center of the lower die mounting plate 2, four corners of the side wall of the first top plate 4-5 adjacent to one side of the second top plate 4-6 are respectively provided with fourth grooves 11, second limiting pieces 12 are embedded in the fourth grooves 11, the left side wall of the second limiting pieces 12 and the left side wall of the first top plate 4-5 are arranged in the same plane, and No. two spacing pieces 12 and No. two roof 4-6 are inconsistent to be set up, the right side wall of No. two spacing pieces 12 is welded fastening with one end of knockout pin 4-7 respectively, No. two spacing pieces 12 are blocked and established in No. four recesses 11, knockout pin 4-7 is not fixed with No. two roof 4-6 and died, and then convenient change.
The working principle of the specific embodiment is as follows: before use, the lower die mounting plate 2 and the upper die mounting plate 1 are respectively fixed at the movable end and the fixed end of an injection molding machine, a second top plate 4-6 is fixed on the top plate at the movable end of the injection molding machine, a feeding nozzle 5 is connected with a raw material bin, when the injection molding machine is started, the injection molding machine drives the lower die mounting plate 2 to move towards one side of an upper die mechanism 3 until a lower die core 4-3 is inserted into a die cavity 3-1, raw materials enter the die cavity 3-1 through the feeding nozzle 5, after the raw materials are molded, the injection molding machine drives the lower die mounting plate 2 to return to an initial position, the lower die mounting plate 2 drives the lower die mechanism 4 to move, and the top plate on the injection molding machine pushes the first top plate 4-5 and the second top plate 4-6, and when the pushing is carried out, a, the raw materials on the lower die core 4-3 are pushed down from the lower die core 4-3, the lower die mechanism 4 drives the die cavity 3-1 in the upper die mechanism 3 to move while moving, at the moment, the waste materials in the feed chute of the die cavity 3-1 are sleeved on the demoulding hook 3-4, the die cavity 3-1 is separated from the upper die material pushing plate 3-2, the upper die material pushing plate 3-2 is pushed to the outer side under the elastic force of the spring 3-3, at the moment, the waste materials on the demoulding hook 3-4 are unloaded through the upper die material pushing plate 3-2, and further, the unloading is not required by a worker.
After adopting above-mentioned structure, this embodiment's beneficial effect is as follows:
1. a lower die material pushing plate 4-4 is sleeved on the outer side of the lower die core 4-3, and after injection molding is finished, a finished product is pushed down from the lower die core 4-3 through the lower die material pushing plate 4-4, so that demolding can be easily performed;
2. a feeding groove of the mold cavity 3-1 is internally provided with a demolding hook 3-4, and after injection molding is finished, waste materials at the opening part of the feeding groove are taken out through the demolding hook 3-4, so that demolding is convenient;
3. an upper die material pushing plate 3-2 is arranged between the die cavity 3-1 and the upper die mounting plate 1, and after the injection molding is finished, the waste material on the demolding hook 3-4 is pushed by the upper die material pushing plate 3-2, so that the demolding can be accelerated;
4. one ends of the guide rod 3-9 and the ejector rod 4-7 are respectively provided with a first limiting piece 10 and a second limiting piece 12 which are respectively limited by a first fixing plate 4-1 and a second ejector plate 4-6, so that the guide rod 3-9 and the ejector rod 4-7 are convenient to replace when damaged;
5. the upper side and the lower side of the second fixing plate 4-2 and the upper side and the lower side of the mold cavity 3-1 are respectively connected through a connecting rod 13, and when the lower mold mechanism 4 retracts, the connecting rod 13 can drive the mold cavity 3-1 to move, so that the moving stability of the mold cavity 3-1 is improved.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the invention can be made, and equivalents and modifications of some features of the invention can be made without departing from the spirit and scope of the invention.

Claims (7)

1. The utility model provides an automobile lamp shade of quick drawing of patterns is with injection mold which characterized in that: the die comprises an upper die mounting plate (1), a lower die mounting plate (2), an upper die mechanism (3) and a lower die mechanism (4), wherein a feeding nozzle (5) is inserted in the upper die mounting plate (1), the feeding nozzle (5) penetrates through the upper die mounting plate (1) and is inserted in a die cavity (3-1) in the upper die mechanism (3), the lower die mechanism (4) is arranged on the other side of the upper die mechanism (3), four corners of one side wall of a first fixing plate (4-1) in the lower die mechanism (4) are fixed with pad feet (6), and the pad feet (6) are fixed on one side wall of the lower die mounting plate (2);
the upper die mechanism (3) also comprises an upper die push plate (3-2), springs (3-3), demoulding hooks (3-4) and connecting bolts (3-5), wherein four corners of a die cavity (3-1) are respectively provided with a first groove (3-6), the first groove (3-6) is internally inserted with the connecting bolts (3-5), the connecting bolts (3-5) respectively penetrate through one side wall of the first groove (3-6) and the upper die push plate (3-2) in sequence and then are connected with the upper die mounting plate (1) in a screwing way through threads, four corners of the upper die mounting plate (1) adjacent to one side of the upper die push plate (3-2) are respectively provided with a second groove (3-7), the second groove (3-7) is internally provided with the springs (3-3), and the other end of the springs (3-3) respectively penetrates through the second grooves (3-7), is fixed on one side wall of an upper die material pushing plate (3-2), four corners of the upper die material pushing plate (3-2) are movably inserted with guide pipes (3-8), one end of each guide pipe (3-8) is inserted and fixed in an upper die mounting plate (1), the other end of each guide pipe (3-8) is movably inserted in a die cavity (3-1), a guide rod (3-9) is inserted in each guide pipe (3-8), the other end of each guide rod (3-9) sequentially penetrates through one end of each guide pipe (3-8) and one side wall of each die cavity (3-1) and then is abutted against a first fixing plate (4-1), one side of each die cavity (3-1) is provided with a demoulding hook (3-4), and each demoulding hook (3-4) is arranged on one side of a feeding groove in each die cavity (3-1), the other end of the demoulding hook (3-4) penetrates through the upper mould material pushing plate (3-2) and the upper mould mounting plate (1) in sequence and then is fixedly connected with the fixing piece (3-10), the fixing piece (3-10) is embedded in a clamping groove in one side wall of the upper mould mounting plate (1) and is fixed through a bolt, and the outer side wall of the fixing piece (3-10) and one side wall of the upper mould mounting plate (1) are arranged in the same plane;
the lower die mechanism (4) further comprises a second fixing plate (4-2), a lower die core (4-3), a lower die material pushing plate (4-4), a first top plate (4-5), a second top plate (4-6) and a top rod (4-7), wherein the second fixing plate (4-2) is arranged on one side of the first fixing plate (4-1), the lower die core (4-3) is inserted into the center of the second fixing plate (4-2), the other side of the lower die core (4-3) sequentially penetrates through the second fixing plate (4-2) and the lower die material pushing plate (4-4) and then is suspended on one side of the die cavity (3-1), the second fixing plate (4-2) is connected with the first fixing plate (4-1) through bolts, and guide grooves (4-8) are formed in four corners of the lower die material pushing plate (4-4) adjacent to one side wall of the die cavity (3-1) ) The guide grooves (4-8) are respectively arranged corresponding to the connecting bolts (3-5), the inner diameter of each guide groove (4-8) is larger than the outer diameter of each connecting bolt (3-5), ejector rods (4-7) are fixed at four corners of one side wall of the lower die material pushing plate (4-4), the other end of each ejector rod (4-7) sequentially penetrates through the second fixing plate (4-2), the first fixing plate (4-1) and the first top plate (4-5) and then is connected with the second top plate (4-6), the second top plate (4-6) is connected with the first top plate (4-5) through bolts, and the second top plate (4-6) is provided with a through groove in the center of the lower die mounting plate (2).
2. The injection mold for an automotive lamp cover which is rapidly released from a mold according to claim 1, characterized in that: the spring support structure is characterized in that guide rods (7) are inserted into the springs (3-3), the outer ends of the guide rods (7) are fixed to one side wall of the upper die material pushing plate (3-2), the other ends of the guide rods (7) penetrate through the inner side wall of the second groove (3-7) and are movably inserted into sliding grooves in the upper die mounting plate (1), and the guide rods (7) support and limit the springs (3-3) in the moving process of the upper die material pushing plate (3-2).
3. The injection mold for an automotive lamp cover which is rapidly released from a mold according to claim 1, characterized in that: the inner wall of the conduit (3-8) is provided with an annular groove (8), a limiting ring (17) is arranged in the annular groove (8) in a sliding manner, the limiting ring (17) is connected with the inner end of the guide rod (3-9) in a screwing manner through threads, and when the guide rod (3-9) slides in the conduit (3-8), the inner end of the guide rod (3-9) is limited through the limiting ring (17).
4. The injection mold for an automotive lamp cover which is rapidly released from a mold according to claim 1, characterized in that: the four corners of the side wall of the second fixing plate (4-2) adjacent to one side of the first fixing plate (4-1) are provided with three grooves (9), a first limiting piece (10) is arranged in each groove (9), one side wall of each first limiting piece (10) and one side wall of the second fixing plate (4-2) are arranged on the same plane, each first limiting piece (10) is arranged in a mode of being abutted to the corresponding first fixing plate (4-1), the other side wall of each first limiting piece (10) is fixedly connected with one end of each guide rod (3-9), each first limiting piece (10) is clamped in each groove (9), each first fixing plate (4-1) limits the corresponding first limiting piece (10), and accordingly the corresponding first limiting piece (10) limits the guide rods (3-9).
5. The injection mold for an automotive lamp cover which is rapidly released from a mold according to claim 1, characterized in that: four corners of a side wall of the first top plate (4-5) adjacent to one side of the second top plate (4-6) are provided with four grooves (11), two limiting pieces (12) are embedded in the four grooves (11), one side wall of each limiting piece (12) and one side wall of the first top plate (4-5) are arranged on the same plane, each limiting piece (12) is arranged in a manner of being abutted to the corresponding top plate (4-6), the other side wall of each limiting piece (12) is fixedly connected with one end of the ejector rod (4-7), each limiting piece (12) is clamped in the corresponding groove (11), the corresponding top plate (4-6) limits the corresponding limiting piece (12), and the corresponding limiting piece (12) is enabled to limit the ejector rod (4-7).
6. The injection mold for an automotive lamp cover which is rapidly released from a mold according to claim 1, characterized in that: the upper side and the lower side of the second fixing plate (4-2) are both provided with a connecting rod (13), the left side and the right side of the connecting rod (13) are both provided with a waist-shaped hole (14), a first positioning rod (15) is inserted in the left waist-shaped hole (14), the first positioning rod (15) is screwed with the upper and lower side walls of the second fixing plate (4-2) through threads after passing through the left waist-shaped hole (14), the second positioning rod (16) is inserted in the right waist-shaped hole (14), the second positioning rod (16) penetrates through the right waist-shaped hole (14) and is screwed with the upper side wall and the lower side wall of the die cavity (3-1) through threads, after the injection molding is finished, when the injection molding machine drives the lower die mechanism (4) to move through the lower die mounting plate (2), after a certain distance, the die cavity (3-1) is driven to move, so that the die cavity (3-1) is separated from the upper die material pushing plate (3-2).
7. The injection mold for an automotive lamp cover which is rapidly released from a mold according to claim 1, characterized in that: the working principle is as follows: before the injection molding machine is used, the lower die mounting plate (2) and the upper die mounting plate (1) are respectively fixed at the movable end and the fixed end of the injection molding machine, the second top plate (4-6) is fixed on the top plate at the movable end in the injection molding machine, the feeding nozzle (5) is connected with the raw material bin, when the injection molding machine is used, the injection molding machine is started, the injection molding machine drives the lower die mounting plate (2) to move towards one side of the upper die mechanism (3) until the lower die core (4-3) is inserted into the die cavity (3-1), raw materials enter the die cavity (3-1) through the feeding nozzle (5), after the raw materials are molded, the injection molding machine drives the lower die mounting plate (2) to recover to the initial position, the lower die mounting plate (2) drives the lower die mechanism (4) to move, and the top plate on the injection molding machine pushes the first top, when the material pushing device is pushed, the lower die material pushing plate (4-4) is pushed through the ejector rod (4-7), so that raw materials on the lower die core (4-3) are pushed down from the lower die core (4-3), the lower die mechanism (4) drives the die cavity (3-1) in the upper die mechanism (3) to move while moving, waste materials in a feeding groove of the die cavity (3-1) are sleeved on the demolding hook (3-4), the die cavity (3-1) is separated from the upper die material pushing plate (3-2), the upper die material pushing plate (3-2) is pushed to the outer side under the elastic force of the spring (3-3), and at the moment, the waste materials on the demolding hook (3-4) are unloaded through the upper die material pushing plate (3-2), and further, a worker is not required to unload materials.
CN202011477423.4A 2020-12-15 2020-12-15 Quick drawing of patterns's injection mold for car lamp shade Withdrawn CN112590138A (en)

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Application Number Priority Date Filing Date Title
CN202011477423.4A CN112590138A (en) 2020-12-15 2020-12-15 Quick drawing of patterns's injection mold for car lamp shade

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202011477423.4A CN112590138A (en) 2020-12-15 2020-12-15 Quick drawing of patterns's injection mold for car lamp shade

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CN112590138A true CN112590138A (en) 2021-04-02

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116690903A (en) * 2022-08-22 2023-09-05 福建众辰精密机芯有限公司 Front mold of injection mold, injection mold and demolding method of nozzle material

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116690903A (en) * 2022-08-22 2023-09-05 福建众辰精密机芯有限公司 Front mold of injection mold, injection mold and demolding method of nozzle material

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