CN210139584U

CN210139584U - Cover half intelligence post drawing of patterns injection mould structure

Info

Publication number: CN210139584U
Application number: CN201920377352.7U
Authority: CN
Inventors: 张维合
Original assignee: Guangdong University of Science and Technology
Current assignee: Guangdong University of Science and Technology
Priority date: 2019-03-22
Filing date: 2019-03-22
Publication date: 2020-03-13
Anticipated expiration: 2029-03-22

Abstract

The utility model relates to the technical field of molds, in particular to a fixed mold intelligent secondary demolding injection mold structure, which comprises a heat insulation plate, a panel, a push rod bottom plate, a fixed mold push rod fixing plate, a supporting plate, a fixed mold plate and a movable mold plate which are sequentially arranged from top to bottom; the intelligent double-demolding injection mold comprises a fixed mold plate, a fixed mold insert and a fixed mold core, wherein the fixed mold plate is internally provided with the fixed mold insert and the fixed mold core, the movable mold core is sleeved in the fixed mold insert, the fixed mold core is sleeved with a movable mold core, the movable mold core is fixedly connected with a supporting plate, a plurality of push rods are arranged at the bottom of a push rod bottom plate and penetrate through a fixed mold push rod fixing plate, the supporting plate, the fixed mold plate and the fixed mold core, and the intelligent double-demolding injection mold structure of the fixed. The utility model discloses simple structure, novelty all set up hot runner gating system and push rod in the cover side, and contrary with conventional mould structure, realize that the horn cover surface does not have push rod and runner vestige.

Description

Cover half intelligence post drawing of patterns injection mould structure

Technical Field

The utility model belongs to the technical field of the mould technique and specifically relates to indicate a cover half intelligence secondary drawing of patterns injection mould structure.

Background

The plastic part shown in fig. 1, 2 and 3 is a loudspeaker horn cover of an electronic product, the maximum external dimension is 133mm × 118mm × 26mm, the material is ABS, and the shrinkage rate is 0.5%. The horn cover is provided with 800 cylindrical holes with the diameter of 2mm, wherein the through holes and the blind holes respectively account for half, the depth of the blind holes is 2.2mm, and the length of the through holes is 3.6 mm. The requirement on the outer surface of the horn cover is very high, push rod and gate marks are not allowed, and molding defects such as welding marks, flow marks, silver marks, poor filling and the like are not allowed; in the existing mold structure, a push rod is arranged at a movable mold, a pouring system is arranged at a fixed mold, and the requirement that the push rod and a sprue mark are not allowed on the outer surface of a horn cover is difficult to realize.

SUMMERY OF THE UTILITY MODEL

The utility model discloses problem to prior art provides a cover half intelligence secondary drawing of patterns injection mould structure, and the structure is advanced reasonable, novel practical, all sets up hot runner gating system and push rod in the cover half side, and is opposite with conventional mould structure, realizes that the horn cover surface does not have push rod and runner vestige, also does not have shaping defects such as weld mark, flow mark, silver line and packing harmfully.

In order to solve the technical problem, the utility model discloses a following technical scheme:

the utility model provides a cover half intelligence secondary drawing of patterns injection mould structure, including from last to down set gradually heat insulating board, panel, push rod bottom plate, cover half push rod fixed plate, layer board, fixed die plate and movable mould board; the intelligent double-demolding injection mold structure comprises a fixed mold, a fixed mold insert, a fixed mold core, a movable mold core, a plurality of push rods, a fixed mold push rod fixing plate, a support plate, a fixed mold plate and the fixed mold core, wherein the fixed mold insert and the fixed mold core are arranged in the fixed mold plate; the push rod bottom plate with wear to be equipped with the release link between the fixed die plate, the periphery cover of release link is equipped with reset spring, the one end and the fixed die plate fixed connection of release link, the other end and the push rod bottom plate fixed connection of release link, reset spring's one end and cover half push rod fixed plate are connected, reset spring's the other end and layer board are connected, layer board and release link swing joint.

Wherein, the fixed die intelligent secondary demoulding injection mould structure also comprises a fixed die parting mechanism, the fixed die parting mechanism comprises a first drag hook, a first push block, a first movable block and a first compression spring, one side of the fixed die plate is provided with a first movable cavity for installing the first movable block, the first movable block extends out of the first movable cavity, one end of the first compression spring is connected with the bottom of the first movable cavity, the other end of the first compression spring is connected with the first movable block, one end of the first push block is connected with the movable template, the other end of the first push block is provided with a first inclined surface, the upper end of the first movable block is provided with a second inclined surface which is used for being in sliding butt joint with the first inclined surface, the other end of the first push block is positioned above the first movable block, one end of the first drag hook is connected with the supporting plate, the other end of the first drag hook is provided with a first hook position, and the first movable block is positioned above the first hook position;

the fixed-distance parting mechanism further comprises a second drag hook, a second push block, a second movable block and a second compression spring, the other side of the fixed die plate is provided with a second movable cavity for installing the second movable block, the second movable block stretches out suddenly, one end of the second compression spring is connected with the bottom of the second movable cavity, the other end of the second compression spring is connected with the second movable block, one end of the second push block is connected with the supporting plate, the other end of the second push block is provided with a third inclined surface, the bottom end of the second movable block is provided with a fourth inclined surface for sliding and abutting against the third inclined surface, the other end of the second push block is located below the second movable block, one end of the second drag hook is connected with the movable die plate, the other end of the second drag hook is provided with a second hook position, and the second movable block is located below the second hook position.

Wherein, the cover half intelligence quadratic terms drawing of patterns injection mold structure still includes cover half demoulding mechanism, cover half demoulding mechanism includes third drag hook, third movable block, third ejector pad, sliding seat and third compression spring, the sliding seat set up in one side of push rod bottom plate, the sliding seat is provided with the third movable chamber that is used for installing the third movable block, the third movable block stretches out suddenly the third movable chamber, the one end and the third movable block of third compression spring are connected, the other end and the bottom in third movable chamber of third compression spring are connected, the one end panel of third ejector pad is connected, and the other end of third ejector pad is provided with the fifth inclined plane, the bottom of third movable block is provided with the sixth inclined plane that is used for sliding the butt with the fifth inclined plane, and the other end of third ejector pad is located the below of third movable block, the one end and the movable mould board of third drag hook are connected, the other end of the third drag hook is provided with a third hook position, and the third movable block is positioned below the third hook position.

The fixed die intelligent secondary demolding injection mold structure further comprises a first guide pillar, the first guide pillar penetrates through the movable die plate, the fixed die plate and the supporting plate, the movable die plate and the fixed die plate are both in sliding connection with the first guide pillar, and the first guide pillar is fixedly connected with the supporting plate.

The fixed die intelligent secondary demolding injection mold structure further comprises a second guide pillar, the second guide pillar penetrates through the panel, the push rod bottom plate, the fixed die push rod fixing plate and the supporting plate, the push rod bottom plate and the fixed die push rod fixing plate are both in sliding connection with the second guide pillar, and two ends of the second guide pillar are respectively fixedly connected with the panel and the supporting plate.

The utility model has the advantages that:

when the utility model works, the injection molding machine pulls the movable template to open the die, so that the movable template and the fixed template are opened, namely, the first parting surface is opened, the molded plastic part is separated from the movable mold cavity, then the second parting surface is opened, namely, the supporting plate and the fixed mold plate are opened, the supporting plate rises to drive the movable mold core to rise, so that the movable core is separated from the horn hole of the loudspeaker horn cover plastic part in the figure 1 to finish the first core pulling of the fixed die, then the push rod is driven by the push rod bottom plate to push the molded plastic part away from the fixed mold core, the whole structure of the utility model is advanced, reasonable, novel and practical, the hot runner casting system and the push rod are both arranged at the side of the fixed mold, compared with the conventional die structure, the die opening and the die stripping of the loudspeaker horn cover plastic part in the figure 1 are realized simultaneously, the outer surface of the horn cover is free from push rod and gate marks, and molding defects such as welding marks, flow marks, silver lines, poor filling and the like are avoided; the reset rod and the reset spring are arranged to facilitate the reset of the supporting plate, the push rod bottom plate and the fixed die push rod fixing plate.

Drawings

Fig. 1 is a schematic view of a speaker cover of an electronic product according to a first perspective structure.

Fig. 2 is a second perspective view of a speaker cover of an electronic product.

Fig. 3 is a third perspective view of a speaker cover of an electronic product.

Fig. 4 is the utility model discloses a cover half intelligence postdemolding injection mould structure's schematic structure.

Fig. 5 is the utility model discloses a cover half intelligence post drawing of patterns injection mould structure's another visual angle structure schematic diagram.

Fig. 6 is a schematic structural diagram of the fixed-distance parting mechanism and the fixed-mold demoulding mechanism of the present invention.

Fig. 7 is an enlarged view of a portion a in fig. 6.

Fig. 8 is an enlarged view at B in fig. 6.

Fig. 9 is an enlarged view at C in fig. 6.

The reference numerals in fig. 1 to 9 include:

1-heat insulation board 2-panel 3-push rod bottom plate

4-fixed die push rod fixing plate 5-supporting plate 6-fixed die plate

7-moving die plate 8-fixed die insert 9-fixed die core

10-moving die insert 11-moving core 12-push rod

13-hot runner gating system 14-hot nozzle 15-reset rod

16-return spring 17-first drag hook 18-first push block

19-first movable block 20-first compression spring 21-first inclined plane

22-second inclined plane 23-first hook position 24-second drag hook

25-second push block 26-second movable block 27-second compression spring

28-second active chamber 29-third inclined plane 30-fourth inclined plane

31-second hook position 32-third draw hook 33-third movable block

34-third pushing block 35-movable seat 36-third compression spring

37-third active chamber 38-fifth inclined plane 39-sixth inclined plane

40-third hook position 41-first guide post 42-second guide post

43-first active chamber.

Detailed Description

In order to facilitate understanding of those skilled in the art, the present invention will be further described with reference to the following examples and drawings, which are not intended to limit the present invention. The present invention will be described in detail with reference to the accompanying drawings.

A fixed mold intelligent secondary demolding injection mold structure is shown in figures 4 to 9 and comprises a heat insulation plate 1, a panel 2, a push rod bottom plate 3, a fixed mold push rod fixing plate 4, a supporting plate 5, a fixed mold plate 6 and a movable mold plate 7 which are sequentially arranged from top to bottom; the fixed mold is characterized in that a fixed mold insert 8 and a fixed mold core 9 are arranged in the fixed mold plate 6, a movable mold insert 10 is arranged in the movable mold plate 7, the fixed mold core 9 is sleeved in the fixed mold insert 8, a movable mold core 11 is sleeved on the fixed mold core 9, the movable mold core 11 is fixedly connected with the supporting plate 5, a plurality of push rods 12 are arranged at the bottom of the push rod bottom plate 3, the push rods 12 penetrate through the fixed mold push rod fixing plate 4, the supporting plate 5, the fixed mold plate 6 and the fixed mold core 9, the fixed mold intelligent secondary injection demolding mold structure further comprises a hot runner pouring system 13, the hot runner pouring system 13 comprises a heat jet nozzle 14, and the heat jet; push rod bottom plate 3 with wear to be equipped with release link 15 between the fixed die plate 6, the periphery cover of release link 15 is equipped with reset spring 16, the one end and the fixed die plate 6 fixed connection of release link 15, the other end and the push rod bottom plate 3 fixed connection of release link 15, reset spring 16's one end and fixed die push rod fixed plate 4 are connected, reset spring 16's the other end and layer board 5 are connected, layer board 5 and release link 15 swing joint.

Specifically, be first parting surface between fixed die plate 6 and the movable die plate 7, be the second parting surface between fixed die plate 6 and the layer board 5, the utility model discloses during operation, the injection molding machine pulling the mould unloading of movable die plate 7 makes movable die plate 7 and the mould unloading of fixed die plate 6, and first parting surface is opened promptly, and the shaping is moulded the piece and is broken away from the movable mould chamber, and then the second parting surface is opened, and layer board 5 and fixed die plate 6 are opened promptly, and layer board 5 rises and drives movable core 11 and rise, makes movable core 11 break away from the horn hole of the loudspeaker horn cover plastic part that figure 1, 2 and 3 show, accomplishes the first loose core of cover half, then drives push rod 12 through push rod bottom plate 3 and pushes away the shaping plastic part from cover half core 9, the utility model discloses overall structure is advanced reasonable, novel and practical, all sets up hot runner gating system 13 and push rod 12 in the fixed die side, and is opposite with conventional mould structure, realizes carrying out the mould opening to the loudspeaker, Demolding, and realizing that the outer surface of the horn cover has no push rod 12 and gate marks, and also has no molding defects such as welding marks, flow marks, silver lines, poor filling and the like; the arrangement of the reset rod 15 and the reset spring 16 is beneficial to resetting the supporting plate 5, the push rod bottom plate 3 and the fixed die push rod fixing plate 4.

The fixed mold intelligent secondary demolding injection mold structure comprises a fixed distance parting mechanism, the fixed distance parting mechanism comprises a first drag hook 17, a first push block 18, a first movable block 19 and a first compression spring 20, a first movable cavity 43 for installing the first movable block 19 is arranged on one side of a fixed mold plate 6, the first movable block 19 protrudes out of the first movable cavity 43, one end of the first compression spring 20 is connected with the bottom of the first movable cavity 43, the other end of the first compression spring 20 is connected with the first movable block 19, one end of the first push block 18 is connected with a movable mold plate 7, the other end of the first push block 18 is provided with a first inclined surface 21, the upper end of the first movable block 19 is provided with a second inclined surface 22 for sliding abutting against the first inclined surface 21, and the other end of the first push block 18 is positioned above the first movable block 19, one end of the first drag hook 17 is connected with the supporting plate 5, the other end of the first drag hook 17 is provided with a first hook position 23, and the first movable block 19 is positioned above the first hook position 23; the distance parting mechanism also comprises a second drag hook 24, a second push block 25, a second movable block 26 and a second compression spring 27, a second movable cavity 28 for installing the second movable block 26 is arranged at the other side of the fixed template 6, the second movable block 26 extends out of the second movable cavity 28, one end of the second compression spring 27 is connected with the bottom of the second movable cavity 28, the other end of the second compression spring 27 is connected with the second movable block 26, one end of the second pushing block 25 is connected with the supporting plate 5, the other end of the second pushing block 25 is provided with a third inclined surface 29, the bottom end of the second movable block 26 is provided with a fourth inclined surface 30 which is used for being in sliding butt joint with the third inclined surface 29, the other end of the second pushing block 25 is located below the second movable block 26, one end of the second drag hook 24 is connected with the movable template 7, the other end of the second drag hook 24 is provided with a second hook position 31, and the second movable block 26 is located below the second hook position 31.

Specifically, the utility model discloses during operation, when first profile is opened, when movable mould board 7 and fixed die plate 6 are opened promptly, the injection molding machine pulling movable mould board 7 carries out the die sinking, and movable mould board 7 moves down, drives first ejector pad 18 and moves down, when first inclined plane 21 and second inclined plane 22 slip butt, makes first movable block 19 retract first activity chamber 43, and first compression spring 20 is compressed, prevents that first movable block 19 from blocking first hook position 23 of first drag hook 17, is convenient for opening of first profile; after the first parting surface is opened by 32mm, the second hook position 31 of the second draw hook 24 pulls the second movable block 26, so that the second parting surface of the utility model is opened, that is, after the supporting plate 5 and the fixed die plate 6 are opened by 5mm, in the process, the third inclined surface 29 of the second pushing block 25 is in sliding contact with the fourth inclined surface 30 of the second movable block 26, the second movable block 26 is pressed into the second movable cavity 28, so that the second compression spring 27 is compressed, then the second draw hook 24 is separated from the second movable block 26, the second section surface is opened, the movable core 11 is separated from the horn hole, the first core pulling of the molded plastic is completed, then push out the shaping through push rod 12 of push rod bottom plate 3 and mould the piece, realize loosing core to the accuracy that the speaker horn lid was moulded through distance parting mechanism, work is in order, the ring is detained mutually, and structural stability, reliable, safety, the accuracy is high.

The fixed mold intelligent secondary demolding injection mold structure of the embodiment, the fixed mold intelligent secondary demolding injection mold structure further comprises a fixed mold demolding mechanism, the fixed mold demolding mechanism comprises a third drag hook 32, a third movable block 33, a third push block 34, a movable seat 35 and a third compression spring 36, the movable seat 35 is arranged on one side of the push rod bottom plate 3, the movable seat 35 is provided with a third movable cavity 37 for installing the third movable block 33, the third movable block 33 protrudes out of the third movable cavity 37, one end of the third compression spring 36 is connected with the third movable block 33, the other end of the third compression spring 36 is connected with the bottom of the third movable cavity 37, one end panel 2 of the third push block 34 is connected, the other end of the third push block 34 is provided with a fifth inclined surface 38, the bottom end of the third movable block 33 is provided with a sixth inclined surface 39 which is used for abutting against the fifth inclined surface 38, the other end of the third pushing block 34 is located below the third moving block 33, one end of the third draw hook 32 is connected with the moving template 7, the other end of the third draw hook 32 is provided with a third hook position 40, and the third moving block 33 is located below the third hook position 40.

Specifically, after the second parting surface is opened, that is, the fixed mold plate 6 and the supporting plate 5 are opened, the third hook position 40 of the third drag hook 32 is abutted against the third movable block 33, so that the fixed mold push rod fixing plate 4 and the push rod bottom plate 3 are pulled to move, the push rod 12 pushes the molded plastic part to be separated from the fixed mold plate 6, after the push-out distance reaches 32mm, the fifth inclined surface 38 of the third push block 34 is in sliding abutment with the sixth inclined surface 39 of the third movable block 33, the third push block 34 pushes the third movable block 33 into the third movable cavity 37, the third compression spring 36 is compressed, the third drag hook 32 is separated from the third movable block 33, the push rod bottom plate 3 and the push rod fixed mold plate 4 stop moving, and the molded plastic part is taken out by an external manipulator; the utility model has simple structure, under the structural action of the fixed die demoulding mechanism and the fixed distance parting mechanism, the action rings are buckled with each other, the plastic part is taken out from the mould opening, and all the parts are automatically completed through the structure of the mould, which is equivalent to that two manipulators are arranged on the mould, so that the injection molding machine is applied to an injection molding system in a concrete way, and when the mould is closed, the injection molding machine pushes the movable mould plate 7, the push rod 12 and the fixed die push rod fixing plate 4 are pushed back by the reset rod 15 and the reset spring 16 to automatically reset, and other fixed distance parting mechanisms automatically reset; the mold begins the next injection molding.

The cover half intelligence secondary demoulding injection mould structure of this embodiment, cover half intelligence secondary demoulding injection mould structure still includes first guide pillar 41, and movable mould board 7, fixed die plate 6 and layer board 5 are worn to locate by first guide pillar 41, and movable mould board 7 and fixed die plate 6 all with first guide pillar 41 sliding connection, first guide pillar 41 and layer board 5 fixed connection. Specifically, the first guide post 41 realizes stable movement of the movable platen 7 and the fixed platen 6, and prevents positional deviation.

The cover half intelligence secondary drawing of patterns injection mould structure of this embodiment, cover half intelligence secondary drawing of patterns injection mould structure still includes second guide pillar 42, panel 2, push rod bottom plate 3, cover half push rod fixed plate 4 and layer board 5 are worn to locate by second guide pillar 42, push rod bottom plate 3 and cover half push rod fixed plate 4 all with second guide pillar 42 sliding connection, the both ends of second guide pillar 42 respectively with panel 2, layer board 5 fixed connection. Specifically, the second guide post 42 realizes stable movement of the push rod base plate 3 and the fixed mold push rod fixing plate 4, and prevents positional deviation when moving.

The above description is only for the preferred embodiment of the present invention, and the present invention is not limited to the above description, and although the present invention is disclosed in the preferred embodiment, it is not limited to the above description, and any person skilled in the art can make some changes or modifications to equivalent embodiments without departing from the scope of the present invention, but all the technical solutions of the present invention are within the scope of the present invention.

Claims

1. The utility model provides a cover half intelligence post drawing of patterns injection mould structure which characterized in that: the device comprises a heat insulation plate, a panel, a push rod bottom plate, a fixed die push rod fixing plate, a supporting plate, a fixed die plate and a movable die plate which are sequentially arranged from top to bottom; the intelligent double-demolding injection mold structure comprises a fixed mold, a fixed mold insert, a fixed mold core, a movable mold core, a plurality of push rods, a fixed mold push rod fixing plate, a support plate, a fixed mold plate and the fixed mold core, wherein the fixed mold insert and the fixed mold core are arranged in the fixed mold plate; the push rod bottom plate with wear to be equipped with the release link between the fixed die plate, the periphery cover of release link is equipped with reset spring, the one end and the fixed die plate fixed connection of release link, the other end and the push rod bottom plate fixed connection of release link, reset spring's one end and cover half push rod fixed plate are connected, reset spring's the other end and layer board are connected, layer board and release link swing joint.

2. The fixed mold intelligent secondary demolding injection mold structure as claimed in claim 1, wherein: the fixed die intelligent secondary demolding injection mold structure further comprises a fixed die parting mechanism, the fixed die parting mechanism comprises a first drag hook, a first push block, a first movable block and a first compression spring, a first movable cavity for installing the first movable block is arranged on one side of the fixed die plate, the first movable block protrudes out of the first movable cavity, one end of the first compression spring is connected with the bottom of the first movable cavity, the other end of the first compression spring is connected with the first movable block, one end of the first push block is connected with the movable template, the other end of the first push block is provided with a first inclined surface, the upper end of the first movable block is provided with a second inclined surface which is used for being in sliding butt joint with the first inclined surface, the other end of the first push block is positioned above the first movable block, one end of the first drag hook is connected with the supporting plate, the other end of the first drag hook is provided with a first hook position, and the first movable block is positioned above the first hook position;

3. The fixed mold intelligent secondary demolding injection mold structure as claimed in claim 1, wherein: the fixed mold intelligent secondary demolding injection mold structure further comprises a fixed mold demolding mechanism, the fixed mold demolding mechanism comprises a third drag hook, a third movable block, a third push block, a movable seat and a third compression spring, the movable seat is arranged on one side of the push rod base plate, the movable seat is provided with a third movable cavity for installing the third movable block, the third movable block protrudes out of the third movable cavity, one end of the third compression spring is connected with the third movable block, the other end of the third compression spring is connected with the bottom of the third movable cavity, one end panel of the third push block is connected, the other end of the third push block is provided with a fifth inclined plane, the bottom of the third movable block is provided with a sixth inclined plane for sliding and abutting against the fifth inclined plane, the other end of the third push block is positioned below the third movable block, one end of the third drag hook is connected with the movable mold plate, the other end of the third drag hook is provided with a third hook position, and the third movable block is positioned below the third hook position.

4. The fixed mold intelligent secondary demolding injection mold structure as claimed in claim 1, wherein: the fixed die intelligent secondary demolding injection mold structure further comprises a first guide pillar, the first guide pillar penetrates through the movable die plate, the fixed die plate and the supporting plate, the movable die plate and the fixed die plate are both in sliding connection with the first guide pillar, and the first guide pillar is fixedly connected with the supporting plate.

5. The fixed mold intelligent secondary demolding injection mold structure as claimed in claim 1, wherein: the cover half intelligence secondary drawing of patterns injection mould structure still includes the second guide pillar, the panel is worn to locate by the second guide pillar, push rod bottom plate, cover half push rod fixed plate and layer board, push rod bottom plate and cover half push rod fixed plate all with second guide pillar sliding connection, the both ends of second guide pillar respectively with panel, layer board fixed connection.