CN206370954U

CN206370954U - Sound box panel mold

Info

Publication number: CN206370954U
Application number: CN201621432807.3U
Authority: CN
Inventors: 冯利滨
Original assignee: Taizhou City Huangyan Guangchao Plastic Co Ltd
Current assignee: Taizhou City Huangyan Guangchao Plastic Co Ltd
Priority date: 2016-12-24
Filing date: 2016-12-24
Publication date: 2017-08-01
Anticipated expiration: 2026-12-24

Abstract

The utility model discloses a kind of sound box panel mold, including upper mould and lower mould and be arranged between upper mould and lower mould be used for injection molding panel die cavity, multiple push rods for being used to eject panel from lower mould in the demoulding are provided with the lower mould, it is provided with the relative lower mould of bolt hole for coordinating the thimble for ejecting panel from lower mould with push rod, the thimble end is provided with the canned paragraph in sleeve, the canned paragraph fitted with the barrel of sleeve and canned paragraph end and panel attachment, its drip irrigation device is by setting thimble and being arranged on canned paragraph of the thimble end in sleeve, it can when panel is ejected to be fixed by canned paragraph, it is difficult to automatically fall off in demoulding time, it is prevented effectively from the situation generation that panel dropping and damaging when the demoulding.

Description

Sound box panel mold

Technical field

The utility model is related to injection mold, more particularly to a kind of sound box panel mold.

Background technology

Audio amplifier is generally used for family's playback, is characterized in that playback matter exquisiteness is soft, external form is more exquisite, attractive in appearance, playback sound Arbitrarily downgrade less high, the power born is relatively fewer, Professional sound box is generally used for dancing hall, Karaoke, cinema, hall and physical culture The specialty entertainment such as venue place.

In order that sound box is more attractive in appearance, we fix a beautiful face of profile at region generally before sound box Plate, to play a part of decorating sound box, panel as shown in figure 1, being provided with the one side that panel 16 and sound box are fixed many The individual bolt hole 17 for being used to be fixed on panel 16 on sound box, is provided with the bolt coordinated with bolt hole 17 on sound box Post, more stablizes in order that obtaining panel 16 and fixing, sleeve 18 is provided with around bolt hole 17, sleeve 18 is enclosed on bolt when using On post, while one is provided with panel 16 prevents from sound box display screen blocking opening 13, the panel for 13 surroundings that are open 16 is thinner.

When manufacturing this panel, by Making mold, mould include upper mould and lower mould and be arranged on mould and lower mould it Between be used for the core of injection molding panel, the push rod that multiple panels by injection formed are ejected, this mould installion are provided with lower mould Used on injection machine, upper mould is arranged on the injection machine left side when on injection machine, lower mould is arranged on the right of injection machine, the demoulding During, upper mould is separated with lower mould, and at this moment panel will stay on lower mould, and then push rod ejects panel from lower mould, face When plate is separated with lower mould, panel can drop under own wt effect, due to relatively thin around panel opening, therefore the after-opening that drops The panel of surrounding is easy to break.

Utility model content

In view of the deficienciess of the prior art, the purpose of this utility model is to provide a kind of sound box panel mold, During the demoulding, panel will not be automatically fallen off, therefore panel is difficult to break because automatically falling off.

Above-mentioned technical purpose of the present utility model technical scheme is that：A kind of sound equipment box panel mould Tool, including upper mould and lower mould and be arranged between mould and lower mould and be used for the die cavity of injection molding panel, it is provided with the lower mould It is provided with multiple push rods for being used to eject panel from lower mould in the demoulding, the relative lower mould of bolt hole for matching somebody with somebody with push rod Close the thimble that ejects panel from lower mould, the thimble end is provided with the canned paragraph in sleeve, the canned paragraph with The barrel laminating of sleeve and end and the panel attachment of canned paragraph.

By above-mentioned technical proposal, after panel is cooled and shaped, canned paragraph is by the sleeve on panel, canned paragraph Tightly fit, then separate upper mould with lower mould with the inwall of sleeve, the rear board separated is located on lower mould, passes through push rod afterwards It will be followed closely out with thimble outside the downward mould of panel, panel gradually will be deviate from from lower mould, afterwards because canned paragraph is located in sleeve, so Panel can be supported in the presence of thimble, will not naturally be dropped under own wt, therefore panel is difficult to fall in the demoulding Breakdown is bad, while being grabbed the panel supported by thimble from simple to operate from mould by setting mechanical gripping to facilitate Convenient, so that thimble is bounced back to inside lower mould with push rod after panel is taken out, then upper mould carries out next altogether with lower mould Secondary injection；It is convenient in demoulding during manufacture, manufacture efficiency is high.

It is preferred that, the canned paragraph includes at least two flexure strips, slide in the thimble be provided with insertion flexure strip it Between the core_pulling pole that struts flexure strip.

By above-mentioned technical proposal, when in canned paragraph insertion sleeve, the outer wall of canned paragraph is close to consolidate panel with sleeve Live calmly, so there is larger frictional force when panel is taken down from thimble between panel and canned paragraph, but panel is relatively thin It is relatively thin around panel upper shed simultaneously, so panel is easily broken off when being taken off from canned paragraph, therefore, by setting bullet Property piece and core_pulling pole, can be when panel be lifted down from canned paragraph, first by core_pulling pole to being twitched away from panel side, at this moment bullet Property sector-meeting to drawing close together so that is separated between sleeve lining and flexure strip, can thus be easy to panel rushing canned paragraph On take down.

It is preferred that, it is provided with deformation gap, the core_pulling pole to be provided between the flexure strip and inserts bullet in core_pulling pole The sealing block for blocking the gap between flexure strip when between property piece.

By above-mentioned technical proposal, during due to flexure strip being strutted, a deformation gap can be formed between flexure strip, if At this moment a fin consistent with deformation gap will be formed in sleeve by being used for injection molding panel, have a strong impact on sleeve and bolt column Cooperation, by being provided with sealing block on core_pulling pole, sealing block will be between flexure strip after core_pulling pole struts flexure strip Gap block so that sleeve be cooled and shaped after fin will not be formed on sleeve lining.

It is preferred that, the length of the sealing block is not less than the depth of sleeve.

By above-mentioned technical proposal, by the way that the length of sealing block to be set to the depth more than sleeve, it will so cause sleeve In be not in fin, panel quality is high during injection, it is not necessary to which post-production can be to use.

It is preferred that, the cunning chamber slided for core_pulling pole is provided with the thimble, be provided with the thimble for by Ventilate to drive the air flue that core_pulling pole is slided in sliding chamber in sliding chamber.

By above-mentioned technical proposal, it is difficult to rock when twitching in order that obtaining core_pulling pole, sliding chamber is provided with thimble, is led to Crossing that sliding chamber and core_pulling pole coordinate can be so that steady when core_pulling pole is moved, while by being ventilated between sliding chamber and core_pulling pole, can Easily to drive core_pulling pole to be slidably reciprocated in sliding chamber so that flexure strip can be easily softened.

It is preferred that, it is provided with one section that the core_pulling pole is located in sliding chamber for limiting the spacing of core_pulling pole sliding scale The stopper slot slided for limited block is provided with block, the sliding chamber.

By above-mentioned technical proposal, due to when core_pulling pole struts flexure strip, just being needed between flexure strip and core_pulling pole The shape consistent with sleeve interior space is formed, so the range of movement of strict limitation core_pulling pole is needed, by core_pulling pole It is upper to set limited block with setting the stopper slot coordinated with limited block in sliding chamber, it can make it that core_pulling pole sliding scale is accurately limited System, quality is high when product is molded.

It is preferred that, it is provided with the injection hole for the injection-moulded plastic into die cavity, the lower mould and is provided with the upper mould The runner connected with injection hole, the runner is located in the opening of panel, and panel of the runner respectively at opening both sides is connected.

By above-mentioned technical proposal, because the panel of opening both sides is thinner, so the after-opening both sides of panel forming hold very much Easy fracture, by the way that runner is set in the opening, while runner is connected with opening both sides, can be after the completion of injection in opening Middle to form a waste material for connecting opening both sides, waste material will play a part of increasing slab strength during the demoulding, and panel exists Not easy to break in knockout course, the later stage again cuts waste material.

In summary, the utility model having the beneficial effect that in contrast to prior art：By setting canned paragraph so that panel Supported in the demoulding by thimble, effectively prevent the problem of panel drops automatically in the demoulding so that panel is difficult because dropping And damage.

Brief description of the drawings

Fig. 1 is the structural representation of panel；

Fig. 2 is the structural representation of embodiment；

Fig. 3 is the structural representation of the lower mould of embodiment；

Fig. 4 is the panel of embodiment and the matching chart of thimble；

Fig. 5 is the structural representation of thimble；

Fig. 6 is the half sectional view of thimble；

Fig. 7 is the zoomed-in view at A in Fig. 4.

Reference：1st, upper mould；2nd, lower mould；3rd, push rod；4th, thimble；5th, canned paragraph；6th, flexure strip；7th, core_pulling pole；8th, shape Varied clearance；9th, sealing block；10th, sliding chamber；11st, air flue；12nd, limited block；13rd, it is open；14th, injection hole；15th, runner；16th, panel； 17th, bolt hole；18th, sleeve.

Embodiment

The utility model is described in further detail below in conjunction with accompanying drawing.

This specific embodiment is only to explain of the present utility model, and it is not to limitation of the present utility model, ability Field technique personnel can make the modification without creative contribution to the present embodiment as needed after this specification is read, but As long as all being protected in right of the present utility model by Patent Law.

As shown in Fig. 2,3,7, a kind of sound box panel mold, including upper mould 1 and lower mould 2 and mould 1 is arranged on under Be provided with multiple push rods 3 on die cavity between mould 2, lower mould 2, push rod 3 and panel 16 towards the side contacts inside sound box, During the demoulding, push rod 3 will be ejected to outer grip panel 16, the relative place of lower 2 upper bolt hole of mould 17 be provided with thimble 4, the end of thimble 4 is set Canned paragraph 5 will fit in sleeve 18 and with the side wall of sleeve 18 after the completion of being equipped with canned paragraph 5, injection, and canned paragraph 5 with Panel 16 is contradicted.

During the demoulding, upper mould 1 is separated with lower mould 2, is separated rear board 16 and be will stay on lower mould 2, at this moment on lower mould 2 Push rod 3 simultaneously synchronous will outwards eject panel 16 with thimble 4, and when panel 16 is separated with lower mould 2, all weight of panel 16 is equal To be distributed in during thimble 4, it will be secured firmly to naturally fall on thimble 4 by the panel 16 of canned paragraph 5, at this moment workman can be with Panel 16 is removed from thimble 4 with instrument, the demoulding is simple and convenient, and panel 16 is difficult to break after the completion of injection.

As shown in Figure 5,6, wherein, canned paragraph 5 includes at least two flexure strips 6, and canned paragraph 5 includes two in the present embodiment The semicircular flexure strip 6 of piece, has sliding chamber 10 on thimble 4 along the axially arranged of thimble 4, slides to be provided with sliding chamber 10 and takes out Core bar 7, fit between core_pulling pole 7 and sliding chamber 10, and when the end of core_pulling pole 7 is inserted between flexure strip 6, two panels flexure strip 6 will be by Strut, the canned paragraph 5 being at this moment made up of flexure strip 6 and core_pulling pole 7 will be close to the inwall of sleeve 18；In order that flexure strip 6 it Between gap be plugged, be provided with sealing block 9 on core_pulling pole 7, the length of sealing block 9 is more than the depth of sleeve 18, works as core pulling When between the insertion flexure strip 6 of bar 7, diaphragm seal just will can block the gap between two panels diaphragm seal.

As shown in fig. 6, driving thimble 4 is slided in sliding chamber 10 for convenience, air flue 11 is provided with thimble 4, is passed through Air flue 11 is blown into gas between core_pulling pole 7 and sliding chamber 10, by gas core_pulling pole 7 will be driven to be slidably reciprocated in sliding chamber 10, Air flue 11 is axially arranged along thimble 4, and the outlet thimble 4 of air flue 11 is away from die cavity end；Limited block is provided with core_pulling pole 7 12, the stopper slot being slidably matched with limited block 12 is provided with sliding chamber 10, limited block 12 is contradicted with stopper slot close to die cavity end When, core_pulling pole 7 is located just at strutting flexure strip 6 between flexure strip 6, when the stopper slot of limited block 12 is contradicted away from die cavity end, Core_pulling pole 7 will be from out, at this moment flexure strip 6 is by closely together and causing the side wall of flexure strip 6 and sleeve 18 between flexure strip 6 Do not fit.

In use, during injection, blown by air flue 11 into sliding chamber 10 so that core_pulling pole 7 is located between two flexure strips 6, So that flexure strip 6 is softened, after panel 16 is cooled and shaped, first upper mould 1 is separated with lower mould 2, then passes through push rod 3 and thimble 4 outwards push up panel 16, at this moment because flexure strip 6 is fitted with the inwall of sleeve 18, so panel 16 will be fixed on thimble 4 not It can drop, workman clamps panel 16 with instrument afterwards, the gas in sliding chamber 10 be extracted by air flue 11 afterwards so that core_pulling pole 7 between two flexure strips 6 out, at this moment flexure strip 6 will to separating closely together and with the inwall of sleeve 18, then by panel 16 from Can easily it be taken out on thimble 4, after panel 16 is taken out so that push rod 3 is retracted with thimble 4 in lower mould 2, then to air flue 11 Middle blow causes core_pulling pole 7 to strut flexure strip 6 between entering flexure strip 6, and injection work next time can be carried out afterwards.

As shown in figure 3, being provided with injection hole 14 on upper mould 1, injection hole 14 is communicated with runner 15, and runner 15 is located at panel In 16 opening 13, two mouths connected with die cavity are provided with runner 15, when injecting products, due to runner 15 and die cavity company Port is two, so injection moulding speed is fast, saves injection time；After product cooling is molded, the modeling remained in runner 15 Together with material will be cooled and shaped with panel 16, at this moment, the waste material of runner 15 would span across the opening 13 of panel 16 so that panel 16 is open The part at 13 two ends links together, and plays a part of increase panel Final 16 degree, and panel 16 is not easy to break in the demoulding, has been stripped Waste material is cut from panel 16 after.

It the above is only exemplary embodiment of the present utility model, not for limitation protection domain of the present utility model, Protection domain of the present utility model is determined by appended claim.

Claims

1. a kind of sound box panel mold, including upper mould (1) and lower mould (2) and being arranged between mould (1) and lower mould (2) is used Multiple be used for panel (16) in the demoulding from lower mould (2) is provided with die cavity in injection molding panel (16), the lower mould (2) The push rod (3) of ejection, it is characterized in that：It is provided with the relative lower mould (2) of bolt hole (17) for coordinating with push rod (3) by panel (16) thimble (4) ejected from lower mould (2), thimble (4) end is provided with the canned paragraph (5) in sleeve (18), The canned paragraph (5) is fitted with the barrel of sleeve (18) and the end of canned paragraph (5) is fitted with panel (16).

2. sound box panel mold according to claim 1, it is characterized in that：The canned paragraph (5) includes at least two bullets Property piece (6), the core_pulling pole (7) for being provided with and strutting flexure strip (6) between insertion flexure strip (6) is slided in the thimble (4).

3. sound box panel mold according to claim 2, it is characterized in that：Deformation is provided between the flexure strip (6) By between flexure strip (6) when being provided with gap (8), the core_pulling pole (7) between core_pulling pole (7) insertion flexure strip (6) The sealing block (9) that gap is blocked.

4. sound box panel mold according to claim 3, it is characterized in that：The length of the sealing block (9) is not less than set The depth of cylinder (18).

5. sound box panel mold according to claim 2, it is characterized in that：It is provided with the thimble (4) and supplies core_pulling pole (7) it is provided with the cunning chamber (10) slided, the thimble (4) for driving core_pulling pole (7) by being ventilated into sliding chamber (10) The air flue (11) slided in sliding chamber (10).

6. sound box panel mold according to claim 5, it is characterized in that：The core_pulling pole (7) is located in sliding chamber (10) One section on be provided with and be provided with for limiting in the limited block (12) of core_pulling pole (7) sliding scale, the sliding chamber (10) for limit The stopper slot that position block (12) is slided.

7. sound box panel mold according to claim 1, it is characterized in that：Being provided with the upper mould (1) is used for type The runner (15) connected with injection hole (14), the stream are provided with the injection hole (14) of injection-moulded plastic in chamber, the lower mould (2) Road (15) is located in the opening (13) of panel (16), and panel (16) of the runner (15) respectively at opening (13) both sides is connected.