CN206370953U

CN206370953U - A kind of sound box panel mold

Info

Publication number: CN206370953U
Application number: CN201621431591.9U
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, the push rod is distributed in below the panel away from opening side, the thimble for will be far from again ejecting the panel at opening from lower mould after the panel of opening side is ejected from lower mould in push rod is provided with below panel at the opening, its drip irrigation device is by setting thimble, can be after push rod ejects panel away from opening side from lower mould, the panel at opening is ejected by thimble again, because one side of panel is again ejected panel by push rod ejection back center, so the active force between thimble and panel is smaller, panel is difficult to be pushed up disconnected.

Description

A kind of 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 is as shown in figure 1, one is provided with panel 17 prevents from showing sound box Display screen blocks opening 18, and the panel for 18 surroundings that are open is thinner.

When manufacturing this panel 17, by Making mold, mould includes upper mould and lower mould and is arranged on mould and lower mould Between be used for the core of injection molding panel, the push rod that multiple panels by injection formed are ejected, the process of the demoulding are provided with lower mould In, 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, still, panel The side for being provided with opening is thinner, while the panel of injection formed can be clinged on lower mould, thus in the demoulding push rod and panel it Between there is larger active force, therefore when push rod ejects panel from lower mould, push rod is easily by the panel top of opening side It is disconnected.

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, By setting thimble during the demoulding so that be difficult to be pushed up at panel opening disconnected.

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 Multiple push rods for being used to eject panel from lower mould in the demoulding, the push rod is distributed under the panel away from opening side It is provided with below panel at side, the opening for will be far from again after the panel of opening side is ejected from lower mould in push rod The thimble that panel at opening is ejected from lower mould.

By above-mentioned technical proposal, when panel is stripped, first passes through push rod and will be far from the panel of openend and ejected from lower mould, When mould is ejected push rod by under, there is larger sticky power between panel and lower mould, so the active force between push rod and panel It is larger, but be due to panel and remote thinner openend at ejector pin contact, so when that will be ejected panel by push rod, face Plate be not susceptible to damage situation, after panel, which keeps away mouthful end, to be separated from lower mould, thimble will with panel opening end in contact, and Panel openend is gradually ejected, during thimble ejects panel, because one end of panel is by push rod from lower mould It is lifted off, so when thimble ejects panel from lower mould, existing between panel and lower mould without sticky power, so thimble Only acted on by panel gravity, therefore the active force between thimble and panel is smaller, so panel is difficult to be pushed up in the demoulding Pin is from openend top, while can cause panel fast demoulding by thimble, in fast demoulding, panel is not easy to damage.

It is preferred that, top plate is provided with the lower mould, the push rod is connected with top plate, limited location is set on the lower mould Hole, the thimble runs through the spacing hole, the thimble be located on one section of spacing hole be provided with injection with it is spacing The end in hole contradicts and is provided with delay groove, the thimble on the spacing preiection for make it that thimble upper end is contradicted with panel, the top plate One end be located at delay groove in, the thimble be located at delay groove in one end end and delay trench bottom between exist delay between Gap.

By above-mentioned technical proposal, when injection starts, thimble can under own wt effect in spacing hole slide downward, So that spacing preiection on thimble is contradicted with spacing hole lower end, at this moment the upper surface of thimble just maintains an equal level with lower mould, when being molded After being cooled and shaped into panel, the end face of thimble upper end will be contradicted with the panel of shaping, and delay groove is provided with top plate so that One end of thimble is located in delay groove, and one end that thimble is located in delay groove has delay gap, the demoulding with delay trench bottom When, the upward mould lateral movement of top plate, at this moment top plate will promote push rod that push rod is ejected from lower mould panel away from openend, when After movement of roof one end distance equal with delay gap, the bottom for the groove that is delayed contradicts the end of portion's thimble, at this moment causes Thimble is moved together with also having push rod with top plate, and such thimble will be ejecting at panel opening from lower mould, and the demoulding is simple and convenient, takes off Panel is difficult to be broken at opening in mold process.

It is preferred that, being provided with one end that the thimble is located in delay groove after thimble ejects panel from lower mould will Thimble is returned to the spacing collar for being provided with and coordinating with limited block at the limited block in lower mould, the opening of the delay groove.

By above-mentioned technical proposal, after the demoulding, thimble will be located at lower mould outside, it is necessary to need to retract on thimble when being molded, Thimble is returned in lower mould for convenience, thimble end is provided with limited block, limited location is set at the opening of delay groove Circle, during matched moulds, top plate will be to away from upper mould lateral movement, and at this moment top plate pulls on push rod and thimble and retracted in lower mould, works as pulling When under thimble being retracted in mould, spacing collar will be contradicted mutually with limited block, thimble will be pulled with limited block by spacing collar Into lower mould, while can make it that thimble will not be inserted in die cavity in panel injection moulding process by spacing collar and limited block.

It is preferred that, the distance in the delay gap is 2 ~ 3mm.

By above-mentioned technical proposal, when push rod first ejects panel from lower mould, panel by slant setting on lower mould, this Sample panel openend will be lived panel support together with push rod, if push rod panel is ejected it is higher so that panel angle of inclination It is too big, it will so that the panel of openend undertakes the most weight of panel, the panel of such openend will be easily deformed damage It is bad, it can cause panel angle of inclination very little by the way that delay gap is arranged into 2 ~ 3mm, and panel one end is separated with lower mould, this Sample, panel is easily to deviate from from lower mould, also causes the panel of openend to bear less panel weight, panel is difficult Deformed in the demoulding.

It is preferred that, one end end that the thimble is located at delay groove is provided with cushion pad.

By above-mentioned technical proposal, it can cause panel is gentle to be separated from lower mould by cushion pad, the panel during demoulding It is hardly damaged.

It is preferred that, it is provided with the thimble on fixing hole, the cushion pad and is provided with fixed lobe, the fixed lobe In fixing hole.

By above-mentioned technical proposal, it is secured firmly to be difficult to drop on thimble in order that obtaining cushion pad, is set on thimble There is fixing hole, while being provided with the fixed lobe coordinated with fixing hole on cushion pad.

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 open side is thinner, so open side is easy to break after panel forming Split, by the way that runner is set in the opening, while runner is connected with opening both sides, can after the completion of injection shape in the opening Into a waste material for connecting opening both sides, waste material will play a part of increasing slab strength during the demoulding, and panel is in the demoulding During it is not easy to break, the later stage again cuts waste material.

In summary, the utility model having the beneficial effect that in contrast to prior art：, can by setting thimble and delay groove To cause panel first to deviate from the larger side of intensity in the demoulding, then the less openend of intensity is deviate from again, during the demoulding Panel is difficult to be pushed up disconnected.

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 lower mould；

Fig. 4 is structural representation when panel is stripped；

Fig. 5 is the half sectional view of lower mould, the structure of main prominent push rod and thimble；

Fig. 6 is the zoomed-in view at A in Fig. 5, the structure of main prominent delay groove.

Reference：1st, upper mould；2nd, lower mould；3rd, push rod；4th, thimble；5th, top plate；6th, spacing hole；7th, spacing preiection；8th, prolong Time slot；9th, be delayed gap；10th, limited block；11st, spacing collar；12nd, cushion pad；13rd, fixing hole；14th, fixed lobe；15th, it is molded Mouthful；16th, runner；17th, panel；18th, it is open.

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 Figure 2,3, 4, a kind of sound box panel mold, including upper mould 1 and lower mould 2 and mould 1 is arranged on under Multiple push rods 3 contacted with panel 17 away from the end of opening 18 are provided with die cavity between mould 2, lower mould 2, in use, push rod 3 will One end jack-up of the panel 17 away from the end of opening 18, thimble 4 is provided with below the panel 17 at opening 18, during the demoulding, push rod 3 First panel 17 will be ejected from lower mould 2 away from the end of opening 18, when the back center 4 of the inclination of panel 17 is open 18 ends by panel 17 Ejected from lower mould 2.

As shown in figure 5, being provided with top plate 5 below lower mould 2, the end of push rod 3 is fixed on top plate 5, is set on lower mould 2 Limited location hole 6, thimble 4 runs through on spacing hole 6, thimble 4 one section be located in spacing hole 6 and is provided with spacing preiection 7, the end of thimble 4 Portion and when being located just in lower mould 2, spacing preiection 7 will be contradicted with the end of spacing hole 6.

As shown in Figure 5,6, delay groove 8 is relatively set with thimble 4 on top plate 5, the end of thimble 4 is located in delay groove 8, The end that thimble 4 is located in delay groove 8 is provided with limited block 10, and the shape of cross section of limited block 10 is circle, the shape for the groove 8 that is delayed Shape size is consistent with limited block 10, and the spacing collar 11 coordinated with limited block 10 is provided with the opening 18 of delay groove 8, works as injection During panel 17, spacing collar 11 will be contradicted with limited block 10 so that thimble 4 is tightened up, and prevent the insert type intracavitary portion of thimble 4, on top Pin 4 is located at the delay gap 9 that 2 ~ 3mm is provided between one end end in delay groove 8 and delay groove 8 bottom, by between delay Gap 9 can cause the delayed a period of time of push rod 3 of thimble 4 to eject panel 17.

As shown in fig. 6, being located at one end section portion in delay groove 8 in thimble 4 is provided with fixing hole 13, existed by fixing hole 13 3 sections of portions of push rod are fixed with cushion pad 12, and cushion pad 12 is provided with the fixed lobe 14 in insertion fixing hole 13.

In use, upper mould 1 is separated with lower mould 2, after upper mould 1 is separated with lower mould 2, panel 17 will be located on lower mould 2, then The upward lateral movement of mould 1 of top plate 5 is driven, at this moment top plate 5 will drive push rod 3 downward mould 2 is outer to move so that push rod 3 is by panel 17 One end is ejected from lower mould 2, and after top plate 5 moves one end time, the bottom of delay groove 8 will be contacted with the bottom of thimble 4, this When top plate 5 by drive thimble 4 moved together with push rod 3, thimble 4 will panel 17 be located at the end jack-up of opening 18 so that panel 17 Complete the demoulding, matched moulds carried out after the demoulding, at this moment top plate 5 will to away from the upper end motion of mould 1, rear baffle pull on push rod 3 to The lower inside of mould 2 is retracted, and the spacing collar 11 at the opening of groove 8 18 that is then delayed contradicts the limited block 10 with the end of thimble 4 so that top Pin 4 is returned to inside lower mould 2 by top plate 5, and injection production can be carried out afterwards.

Injection hole 15 is provided with upper mould 1, injection hole 15 is communicated with runner 16, and runner 16 is located at the opening 18 of panel 17 In, two mouths connected with die cavity are provided with runner 16, when injecting products, because runner 16 and die cavity connected entrance are two It is individual, so injection moulding speed is fast, save injection time；After product cooling is molded, the plastics remained in runner 16 will be with face Plate 17 is cooled and shaped to together, and at this moment, the waste material of runner 16 would span across the opening 18 of panel 17 so that 18 two ends of the opening of panel 17 Part links together, and plays a part of increasing the intensity of panel 17, panel 17 is not easy to break in the demoulding, will be useless after the completion of the demoulding Material is cut from panel 17.

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 (17) in the demoulding from lower mould (2) is provided with die cavity in injection molding panel (17), the lower mould (2) The push rod (3) of ejection, it is characterized in that：The push rod (3) is distributed in below the panel (17) away from opening (18) side, described to open Be provided with below the panel (17) at mouthful (18) place for push rod (3) will be far from being open (18) side panel (17) from lower mould (2) thimble (4) for again ejecting the panel (17) at opening (18) place from lower mould (2) after being ejected on.

2. a kind of sound box panel mold according to claim 1, it is characterized in that：Top is provided with below the lower mould (2) Plate (5), the push rod (3) is connected with top plate (5), and spacing hole (6) is provided with the lower mould (2), and the thimble (4) runs through institute Spacing hole (6) is stated, the thimble (4) is located at the end being provided with one section of spacing hole (6) in injection with spacing hole (6) Portion contradicts and is provided with delay groove on the spacing preiection (7) for make it that thimble (4) upper end is contradicted with panel (17), the top plate (5) (8), one end of the thimble (4) is located in delay groove (8), and the thimble (4) is located at one end end being delayed in groove (8) with prolonging There is delay gap (9) between time slot (8) bottom.

3. a kind of sound box panel mold according to claim 2, it is characterized in that：The thimble (4) is located at delay groove (8) In one end on be provided with thimble (4) be returned in lower mould (2) after thimble (4) ejects panel (17) from lower mould (2) Limited block (10), it is described delay groove (8) opening (18) place be provided with limited block (10) coordinate spacing collar (11).

4. a kind of sound box panel mold according to claim 2, it is characterized in that：The distance of the delay gap (9) is 2 ~3mm。

5. a kind of sound box panel mold according to claim 2, it is characterized in that：The thimble (4) is located at delay groove (8) One end end be provided with cushion pad (12).

6. a kind of sound box panel mold according to claim 5, it is characterized in that：Fixation is provided with the thimble (4) Fixed lobe (14) is provided with hole (13), the cushion pad (12), the fixed lobe (14) is located in fixing hole (13).

7. a kind of sound box panel mold according to claim 1, it is characterized in that：Being provided with the upper mould (1) is used for The runner (16) connected with injection hole (15), institute are provided with the injection hole (15) of injection-moulded plastic into die cavity, the lower mould (2) Runner (16) is stated in the opening (18) of panel (17), panel (17) of the runner (16) respectively at opening (18) both sides connects It is logical.