CN209440694U - A kind of die cavity component forming sound box for vehicle cover board - Google Patents

A kind of die cavity component forming sound box for vehicle cover board Download PDF

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Publication number
CN209440694U
CN209440694U CN201821831772.XU CN201821831772U CN209440694U CN 209440694 U CN209440694 U CN 209440694U CN 201821831772 U CN201821831772 U CN 201821831772U CN 209440694 U CN209440694 U CN 209440694U
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CN
China
Prior art keywords
mold core
die cavity
cover board
sound box
vehicle cover
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Expired - Fee Related
Application number
CN201821831772.XU
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Chinese (zh)
Inventor
吴志光
朱飞
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Ningbo Shuaitelong Group Co Ltd
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Ningbo Shuaitelong Group Co Ltd
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Priority to CN201821831772.XU priority Critical patent/CN209440694U/en
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Publication of CN209440694U publication Critical patent/CN209440694U/en
Expired - Fee Related legal-status Critical Current
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Abstract

The utility model discloses a kind of die cavity component for forming sound box for vehicle cover board, which is characterized in that include: upper mold core, lower part offer the upper cavity for shaped article top;The first pillar is provided in the middle part of upper cavity;Lower mold core, is arranged in the lower section of upper mold core, and lower mold core top offers the lower mode cavity of shaped article lower part, is provided with the second pillar in the middle part of lower mode cavity;Upper cavity and lower mode cavity are encircled into the die cavity of shaped article;Multiple slanted kicking blocks are provided in lower mold core;The top of slanted kicking block is in curved surface, and buckle is provided on the side of slanted kicking block;Guiding device includes that guide ledges and the guide cylinder with guide ledges cooperation, guide ledges are mounted in lower mold core, and guide cylinder is mounted in upper mold core.Accurate, product depanning that the utility model has the advantage of upper and lower mold core guiding is conveniently;And failure rate is low.

Description

A kind of die cavity component forming sound box for vehicle cover board
Technical field
The utility model relates to technical field of mold more particularly to a kind of die cavity components for forming sound box for vehicle cover board.
Background technique
Plastic mould be it is a kind of for compression moulding, extrusion molding, injection, blow molding and the molding sectional die of low ratio foamed abbreviation. Mold punch and matrix and assistant formation system coordination variation, can process different shape, a series of various sizes of plastics. When injection molding, on injection molding machine, molten plastic is injected into shaping mold cavity clamping mould, and in intracavitary cooling and shaping, then on Lower die separates, and product is left mold from die cavity ejection via ejection system, last mold recloses to be molded next time, whole A injection moulding process is that circulation carries out.Product is produced high compared to the production capacity of other production methods using mold.
The various tools and product arrived used in our daily production and lifes, big pedestal, the fuselage cover for arriving lathe, The shell of small to one embryo head screw, button and various household electrical appliance, has close relationship with mold invariably.The shape of mold Shape decides that the shape of these products, the processing quality and precision of mold also just decide the quality of these products.
Due to automobile being in great demand in daily life, sound box for vehicle cover board is also one of essential part, It only passes through the demand that the large batch of production of mold is just able to satisfy existing market.Existing sound box for vehicle cover board is all logical mostly Cross the plastic mould manufacturing;But the die cavity of existing production sound box for vehicle cover board has the following problems: the buckle on product Difficult forming, the most sound box for vehicle cover board to form out is all to need to be mounted on vehicle body by screw, complex installation process; The case where pillar in mold core is often broken causes mold failure rate high;Ejection is uneven, is easy to make deformation of products.
In conclusion needing to design one kind to solve the above problem existing for the die cavity of existing production sound box for vehicle cover board The die cavity component that depanning is convenient, shaping efficiency is high.
Summary of the invention
The purpose of this utility model is that for the above-mentioned deficiency of the prior art, propose that a kind of depanning is convenient, mold failure The die cavity component of the low molding sound box for vehicle cover board of rate.
The utility model solve its technical problem the technical solution adopted is that, propose it is a kind of form sound box for vehicle cover board mould Chamber component includes:
Upper mold core, lower part offer the upper cavity for shaped article top;The first pillar is provided in the middle part of upper cavity;
Lower mold core, is arranged in the lower section of upper mold core, and lower mold core top offers the lower mode cavity of shaped article lower part, lower mode cavity Middle part is provided with the second pillar;The upper cavity and lower mode cavity are encircled into the die cavity of shaped article;It is provided in lower mold core multiple Slanted kicking block;The top of the slanted kicking block is in curved surface, and buckle is provided on the side of the slanted kicking block;
Guiding device includes that guide ledges and the guide cylinder with guide ledges cooperation, the guide ledges are mounted on In lower mold core, the guide cylinder is mounted in upper mold core.
In a kind of die cavity component of above-mentioned molding sound box for vehicle cover board, the guide ledges include guide head and bottom Seat, pedestal are mounted in lower mold core;The guiding groove with guide head cooperation is offered in the middle part of guide cylinder.
In a kind of die cavity component of above-mentioned molding sound box for vehicle cover board, the upper mold core and lower mold core are close to die cavity side Offer the runner for plastic cement flowing;A plurality of cooling water channel is offered in the middle part of upper mold core and lower mold core;
Lower mold core is being provided with envelope feed ring close to lower mode cavity border, is close to upper mold core;It is carved in the envelope feed ring multiple Mark, each corresponding different slanted kicking block of mark.
In a kind of die cavity component of above-mentioned molding sound box for vehicle cover board, the type chamber includes first be symmetrical set Type chamber and second type chamber are connected between the first type chamber and second type chamber by runner.
In a kind of die cavity component of above-mentioned molding sound box for vehicle cover board, the runner includes straight channel and is in symmetrical The first, second ingate being arranged;Straight channel is connected between the first ingate and the second ingate, and section is rounded;
First ingate is connected with the first type chamber, and the second ingate is connected with second type chamber;First, second ingate Rectangular in cross-section.
In a kind of die cavity component of above-mentioned molding sound box for vehicle cover board, the straight channel bottom is provided with sprue puller, The head of sprue puller is Z-shape.
In a kind of die cavity component of above-mentioned molding sound box for vehicle cover board, first pillar and the second pillar are by top Diameter to bottom is gradually increased, and the height of the second pillar is greater than the first pillar.
In a kind of die cavity component of above-mentioned molding sound box for vehicle cover board, the slanted kicking block lower part is connected with fixing seat, Fixing seat head offers T slot, and tail portion offers threaded hole, and the lower part of slanted kicking block is mounted in the T slot.
In a kind of die cavity component of above-mentioned molding sound box for vehicle cover board, a plurality of cooling water channel is enclosed in outside die cavity Side, the intake-outlet of cooling water channel are provided with the bottom surface of upper mold core and lower mold core.
In a kind of die cavity component of above-mentioned molding sound box for vehicle cover board, at the intake-outlet of each cooling water channel It is provided with the sealing ring of preventing water leakage.
Compared with prior art, the utility model has the following beneficial effects:
1, the utility model forms the curved-surface structure of speaker cover board with multiple slanted kicking block tops, and slanted kicking block assists ejection, Make to eject area greatly and ejection balances, product can be effectively prevented and deformed by top;It is provided with buckle on the side of slanted kicking block, forms The drag hook on sound box for vehicle cover board out is not required to setting screw during the installation process, need to only use self-locking, the simple installation of buckle;
2, the guide ledges of upper and lower mold core, the setting of the guiding of guide cylinder, keep guiding accurate, upper and lower mold core is not easy to misplace;And The guide ledges of upper and lower mold core and guide cylinder position, can be used as the lifting position of upper and lower mold core, without additionally opening up lifting eye;
3, lower mold core is carved with mistake proofing mark in each slanted kicking block position, and assembly crewman can be effectively prevented by slanted kicking block Position is wrongly installed;
4, the pillar for forming speaker cover board hole is formed jointly using upper and lower mold core, effectively reduces the unilateral height of pillar, is prevented Only pillar is pulled off during open mold repeatedly, reduces mold failure rate;
5, for die cavity using being symmetrical arranged, two products of the left and right mirror image of one-pass molding not only improve production efficiency, but also energy Make ejection setting balance;
6, the cooling water channel design in upper and lower mold core rationally, keeps upper and lower mold core each section temperature uniform, is not easy due to temperature Stress and be deformed, influence product size, influence the assembly effect in product use process.
Detailed description of the invention
Fig. 1 is the overall structure perspective view of the explosion of the utility model;
Fig. 2 is another visual angle schematic diagram of Fig. 1;
Fig. 3 is the first convex cylinder schematic diagram;
Fig. 4 is the half sectional view of guide ledges and guide cylinder;
Fig. 5 is slanted kicking block structural schematic diagram;
Fig. 6 is cooling water channel structure schematic diagram.
In figure, 10, upper mold core;11, upper cavity;12, the first pillar;13, feed ring is sealed;14, it indicates;15, cooling water channel; 16, sealing ring;20, lower mold core;21, lower mode cavity;22, the second pillar;23, slanted kicking block;230, it buckles;24, straight channel;25, One ingate;26, the second ingate;27, sprue puller;28, fixing seat;31, guide ledges;32, guide cylinder;310, guide head; 311, pedestal;320, it is oriented to groove.
Specific embodiment
The technical solution of the utility model is described in further detail below by conjunction with the drawings and specific embodiments, But the utility model is not limited to these examples.
As shown in figures 1 to 6, a kind of die cavity component forming sound box for vehicle cover board includes: upper mold core 10, lower mold core 20, Guiding device.
Upper mold core 10, lower part offer the upper cavity 11 for shaped article top;First is provided in the middle part of upper cavity 11 Pillar 12;The second pillar 22 is provided in the middle part of lower mode cavity 21.First pillar 12 and the second pillar 22 by top to bottom diameter It is gradually increased, guarantees that product can be demoulded smoothly;And second pillar 22 height be greater than the first pillar 12 height, make product under The package power of mold core 20 is greater than the package power in upper mold core 10, and product stays in lower mold core 20;First pillar 12 and the second pillar 22 are used for the speaker hole on shaped article, and existing speaker hole is all that pillar is arranged in lower mold core 20 1 to simplify processing Side, but in production, pillar is easy to break.Pillar, which is divided into the first pillar 12 and the second pillar 22, can effectively reduce pillar and be drawn It is disconnected;Reduce the failure rate of mold.
Lower mold core 20, is arranged in the lower section of upper mold core 10, and 20 top of lower mold core offers the lower mode cavity of shaped article lower part 21;Upper cavity 11 and lower mode cavity 21 are encircled into the die cavity of shaped article;Upper mold core 10 and lower mold core 20 are opened up close to die cavity side There is the runner for plastic cement flowing;Type chamber includes the first type chamber and second type chamber being symmetrical set, the first type chamber and second type chamber Between pass through runner be connected to.Type chamber is symmetrical set, and makes the product left and right mirror images molded, goes out two instead of existing one Mode, for left and right same pieces;Conducive to arrangement liftout attachment, make product ejection balance.Runner includes straight channel 24 and is in pair Claim the first ingate 25 and the second ingate 26 of setting;The connection of straight channel 24 the first ingate 25 and the second ingate 26 it Between, section is rounded;First ingate 25 is connected with the first type chamber, and the second ingate 26 is connected with second type chamber;It is poured in first The rectangular in cross-section of mouth 25 and the second ingate 26.Circular straight channel 24 is easy to process, and in the identical situation of sectional area, liquid Body flows through the minimum of resistance suffered by round straight channel 24, reduces kinetic energy loss, is conducive to rapid shaping product;Close to the of die cavity side 26 rectangular in cross-section of one ingate 25 and the second ingate, adapts to the surface texture of product, liquid plastic is made to be less prone to turbulent flow. 24 bottom of straight channel is provided with sprue puller 27, and the head of sprue puller 27 is Z-shape.It is Z-shaped to be similar to drag hook shape, product can be hauled and stayed in Lower mold core 20.
Multiple slanted kicking blocks 23 are provided in lower mold core 20, the top of slanted kicking block 23 is in curved surface, and buckle is provided on side 230.The curved-surface structure of multiple 23 tops of slanted kicking block molding speaker cover boards, and slanted kicking block 23 assists ejection, make to eject area it is big and Ejection balance can be effectively prevented product and be deformed by top;Buckle 230 is provided on the side of slanted kicking block 23, what is molded is automobile-used Drag hook on speaker cover board is not required to setting screw during the installation process, need to only use 230 self-locking, simple installations of buckle.
23 lower part of slanted kicking block is connected with fixing seat 28, and 28 head of fixing seat offers T slot, and tail portion offers threaded hole, tiltedly The lower part of jacking block 23 is mounted in the T slot.Threaded hole both can connect on the pull rod of injection molding machine, for slanted kicking block 23 Ejection and reset;It can also be pulled out in disassembly from back side.The middle part of slanted kicking block 23 is provided with guide pad, guide pad control The direction of motion of slanted kicking block 23.Upper mold core 10 and 20 middle part of lower mold core offer a plurality of cooling water channel 15;A plurality of cooling water channel 15 are enclosed on the outside of die cavity, and the intake-outlet of cooling water channel 15 is provided with the bottom surface of upper mold core 10 and lower mold core 20.Each cooling The sealing ring 16 of preventing water leakage is provided at the intake-outlet of water channel 15.A plurality of cooling water channel 15 is used to carry out molding product Cooled and solidified, and mold temperature is reduced, prevent mold high temperature from thermal deformation occur.Multiply cooling water channel setting in upper and lower mold core, 20 each section temperature of mold core is uniform above and below making, and is not easy to be deformed due to temperature stress, to influence in product use process Assembly effect.
Lower mold core 20 is being provided with envelope feed ring 13 close to 21 border of lower mode cavity, is close to upper mold core 10;Envelope feed ring 13 is set Setting overflow liquid plastics will not from die cavity side, and the position far from envelope feed ring 13 is not required to be polished, matches the processes such as mould, reduce Machining accuracy;Save the cost of labor and processing cost of mold core.Multiple marks 14 are carved in envelope feed ring 13, each mark 14 is corresponding Different slanted kicking blocks 23.Different marks 14 can prevent assembly crewman that the position of slanted kicking block 23 is wrongly installed.
The guide cylinder 32 that guiding device includes guide ledges 31 and is cooperated with guide ledges 31, the guide ledges 31 are mounted in lower mold core 20, described to be mounted in upper mold core 10 to cylinder 32.Guide ledges 31 include guide head 310 and pedestal 311, pedestal 311 is mounted in lower mold core 20;The guiding groove 320 cooperated with guide head 310 is offered in the middle part of guide cylinder 32. Guide ledges 31, the accurate guiding of guide cylinder 32 of upper and lower mold core keep guiding accurate, and upper and lower mold core is not easy to misplace;And upper and lower mould 32 position of guide ledges 31 and guide cylinder of core, can be used as the lifting position of upper and lower mold core, without additionally opening up lifting eye.
Preferably, when the case where card mold occur in upper mold core 10 and lower mold core 20, between upper mold core 10 and lower mold core 20 also Ripping bar slot is offered, ripping bar is facilitated to protrude into, upper mold core 10 and lower mold core 20 are pried open.
In the course of work, entire component is assemblied in mold, mold is mounted on injection molding machine;Machine Control system carries out Mould assembling action, upper mold core 10 and lower mold core 20 are bonded, and the liquid plastic in injection molding machine is sprayed from nozzle, and the temperature of front end is low Cold burden enter the cold slug well of 27 upper section of sprue puller, without entering in die cavity, to prevent from influencing product quality;Liquid plastic passes through In the die cavity that straight channel 24 and the first ingate 25, the second ingate 26 are encircled into upper and lower mold core, liquid plastic fills up whole When a die cavity, stop injection molding;The pressure for leading to die cavity can be increased at this time, the air in die cavity is emptied, by product compacting, mentioned The intensity of high product, after sealant cooled and solidified, injection moulding machine mould open, upper mold core 10 is fixed, and injection molding machine drives lower die Core 20 shrinks back, and upper mold core 10 and lower mold core 20 are pulled open, since enclasping force of the product in lower mold core 20 is greater than upper mold core 10 On enclasping force, so product stays in lower mold core 20;Injection molding machine driving liftout attachment moves upwards, and slanted kicking block 23 is also with top Device moves upwards out, and while slanted kicking block 23 is detached from the drag hook of product, upward ejecting product takes out product;Mould Tool molding, upper mold core 10 and lower mold core 20 and slanted kicking block 23 and return to primitive age position, can be molded next time.
Specific embodiment described in text is only to give an example to the spirit of the present invention.Belonging to the utility model Those skilled in the art can make various modifications or additions to the described embodiments or using similar Mode substitutes, but without departing from the spirit of the present application or beyond the scope of the appended claims.

Claims (10)

1. a kind of die cavity component for forming sound box for vehicle cover board, which is characterized in that include:
Upper mold core, lower part offer the upper cavity for shaped article top;The first pillar is provided in the middle part of upper cavity;
Lower mold core, is arranged in the lower section of upper mold core, and lower mold core top offers the lower mode cavity of shaped article lower part, lower mode cavity middle part It is provided with the second pillar;The upper cavity and lower mode cavity are encircled into the die cavity of shaped article;Multiple oblique tops are provided in lower mold core Block;The top of the slanted kicking block is in curved surface, and buckle is provided on the side of the slanted kicking block;
Guiding device includes that guide ledges and the guide cylinder with guide ledges cooperation, the guide ledges are mounted on lower die In core, the guide cylinder is mounted in upper mold core.
2. a kind of die cavity component for forming sound box for vehicle cover board according to claim 1, which is characterized in that the guiding is convex Platform includes guide head and pedestal, and pedestal is mounted in lower mold core;The guiding groove with guide head cooperation is offered in the middle part of guide cylinder.
3. a kind of die cavity component for forming sound box for vehicle cover board according to claim 1, which is characterized in that the upper mold core The runner flowed for plastic cement is offered close to die cavity side with lower mold core;A plurality of cooling is offered in the middle part of upper mold core and lower mold core Water channel;
Lower mold core is being provided with envelope feed ring close to lower mode cavity border, is close to upper mold core;Multiple marks are carved in the envelope feed ring, Each corresponding different slanted kicking block of mark.
4. a kind of die cavity component for forming sound box for vehicle cover board according to claim 3, which is characterized in that the die cavity packet The the first type chamber and second type chamber being symmetrical set are included, is connected between the first type chamber and second type chamber by runner.
5. a kind of die cavity component for forming sound box for vehicle cover board according to claim 4, which is characterized in that the runner packet The first, second ingate for including straight channel and being symmetrical set;Straight channel connection the first ingate and the second ingate it Between, and section is rounded;
First ingate is connected with the first type chamber, and the second ingate is connected with second type chamber;First, second ingate section In rectangle.
6. a kind of die cavity component for forming sound box for vehicle cover board according to claim 5, which is characterized in that the straight channel Bottom is provided with sprue puller, and the head of sprue puller is Z-shape.
7. a kind of die cavity component for forming sound box for vehicle cover board according to claim 3, which is characterized in that described first is convex Column and the second pillar are gradually increased by the diameter at top to bottom, and the height of the second pillar is greater than the first pillar.
8. a kind of die cavity component for forming sound box for vehicle cover board according to claim 1, which is characterized in that the slanted kicking block Lower part is connected with fixing seat, and fixing seat head offers T slot, and tail portion offers threaded hole, and the lower part of slanted kicking block is mounted on described T slot in.
9. a kind of die cavity component for forming sound box for vehicle cover board according to claim 3, which is characterized in that described a plurality of cold But water channel is enclosed on the outside of die cavity, and the intake-outlet of cooling water channel is provided with the bottom surface of upper mold core and lower mold core.
10. a kind of die cavity component for forming sound box for vehicle cover board according to claim 9, which is characterized in that described a plurality of The sealing ring of preventing water leakage is provided at the intake-outlet of each cooling water channel in cooling water channel.
CN201821831772.XU 2018-11-07 2018-11-07 A kind of die cavity component forming sound box for vehicle cover board Expired - Fee Related CN209440694U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201821831772.XU CN209440694U (en) 2018-11-07 2018-11-07 A kind of die cavity component forming sound box for vehicle cover board

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201821831772.XU CN209440694U (en) 2018-11-07 2018-11-07 A kind of die cavity component forming sound box for vehicle cover board

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Publication Number Publication Date
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109352914A (en) * 2018-11-07 2019-02-19 宁波帅特龙集团有限公司 A kind of die cavity component forming sound box for vehicle cover board

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109352914A (en) * 2018-11-07 2019-02-19 宁波帅特龙集团有限公司 A kind of die cavity component forming sound box for vehicle cover board
CN109352914B (en) * 2018-11-07 2023-10-17 宁波帅特龙集团有限公司 Mold cavity assembly for molding automobile sound box cover plate

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CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20190927

CF01 Termination of patent right due to non-payment of annual fee