CN201784137U

CN201784137U - Injection die

Info

Publication number: CN201784137U
Application number: CN2010202893925U
Authority: CN
Inventors: 黎健明; 吴小平; 何世雄
Original assignee: Foxlink Electronics Dongguan Co Ltd; Cheng Uei Precision Industry Co Ltd
Current assignee: Foxlink Electronics Dongguan Co Ltd; Cheng Uei Precision Industry Co Ltd
Priority date: 2010-07-30
Filing date: 2010-07-30
Publication date: 2011-04-06
Anticipated expiration: 2020-07-30

Abstract

The utility model discloses an injection die, comprising a female die, a male die and at least two ejecting mechanisms, wherein the male die corresponds to the female die and comprises a male template, an ejector plate corresponding to the male template and a mold core arranged on the male template; an inclined hole is recessed on the mold core; one ends of the ejecting mechanisms are fixed on the ejector plate; the ejecting mechanisms comprise an inclined ejector rod respectively; one ends of the inclined ejector rods are provided with a hook part towards one side in a convex way respectively; the inclined ejector rods can be inserted in the inclined hole of the mold core in a slidable way and extend out of the mold core; and the hook parts coordinate with end faces of the mold core to form a mold chamber for reverse hooks of a finished product. The male die of the injection die is provided with the ejecting mechanisms, in case of the reverse hooks on the inner walls of a product, the inclined ejector rods are used to eject the reverse hooks horizontally and vertically, so that products are demoulded smoothly and the production efficiency is improved.

Description

Injection mold

Technical field

The utility model relates to a kind of mould, relates in particular to a kind of injection mold.

Background technology

See also Fig. 4, existing injection mold 80 comprises a punch 81 and a die 82, and punch 81 comprises that a punch retainer 811, a convex template 812, an ejector retainner plate 813, a thimble fixed head 814, some thimbles 815 and are installed in the core 816 on the convex template 812.Thimble 815 is installed on the ejector retainner plate 813, and thimble fixed head 814 is fixed thimble 815 1 ends, and thimble 815 other ends are inserted in the core 816.

Yet when on tubular product inwall barb being arranged, above-mentioned injection mold 80 can't make product stripping with the straight thimble of routine, often need manually carry out product stripping, be unfavorable for enhancing productivity.

The utility model content

The purpose of this utility model is to provide a kind of injection mold of enhancing productivity.

For achieving the above object, injection mold that the utility model provides comprises that a die, reaches at least two ejecting mechanisms with the punch of the corresponding setting of die; Punch comprises a convex template, one and a corresponding ejector retainner plate of convex template and a core that is installed on the convex template, is concaved with an inclined hole on the core; Ejecting mechanism one end is fixed on the ejector retainner plate, ejecting mechanism comprises an angle ejector rod, angle ejector rod one end convexes with a hook portion to a side, and angle ejector rod is inserted in the inclined hole of core slidably and stretches out in core, and hook portion cooperates the die cavity that forms a shaped article barb with the core end face.

As mentioned above, the utility model injection mold is provided with ejecting mechanism by punch, and then uses when having barb on the product inwall angle ejector rod to eject simultaneously in the horizontal direction with on the vertical direction, thereby makes the smooth demoulding of product, to enhance productivity.

As further improvement, be concaved with an accepting groove, two containing holes that link to each other with this accepting groove on the core, this containing hole links to each other with described inclined hole; Described angle ejector rod is inserted in accepting groove, containing hole and the inclined hole movably.

Ejecting mechanism comprises push rod always, movable being connected on the angle ejector rod of this straight push rod one end, and the other end then is fixed on the ejector retainner plate.

Straight push rod has a pilum, and this pilum one end has protruded out a T shape contiguous block; Angle ejector rod one end is provided with a T shape link slot, and contiguous block is inserted in the link slot slidably.

Punch comprises a punch retainer, a thimble fixed head and some thimbles; Punch retainer is provided with two through hole, offers two holding holes on the described ejector retainner plate, offers two connecting holes on the thimble fixed head, and connecting hole, holding hole are communicated with through hole.

Contain a cushion block in the holding hole, this cushion block is connected with straight push rod one end.

Contain a holding screw in the connecting hole of thimble fixed head respectively, this holding screw is fixed together straight push rod, cushion block and the thimble fixed head of ejecting mechanism.

Description of drawings

Fig. 1 is the cutaway view after the utility model injection mold matched moulds;

Fig. 2 is the cutaway view after the die sinking of the utility model injection mold;

Fig. 3 is the three-dimensional exploded view of the ejecting mechanism of injection mold shown in Figure 2;

Fig. 4 is the cutaway view after the existing injection mold matched moulds.

Each description of reference numerals is as follows among the figure:

Injection mold 1

Punch 10 punch retainers 11

Through hole 111 convex templates 12

Ejector retainner plate 13 holding holes 131

Thimble fixed head 14 connecting holes 141

Thimble 15 cores 16

Accepting groove 161 containing holes 162

Inclined hole 163 holding screws 17

Die 20 ejecting mechanisms 30

Straight push rod 31 pilums 311

Contiguous block 312 angle ejector rods 32

Link slot 321 hook portions 322

Cushion block 33 die cavities 40

The specific embodiment

By describing technology contents of the present utility model, structural feature in detail, realized purpose and effect, give explanation below in conjunction with embodiment and conjunction with figs. are detailed.

See also Fig. 1, the utility model injection mold 1 comprises that a punch 10, a die 20 and two are fixed in the ejecting mechanism 30 on the punch 10.

Punch 10 comprises that a punch retainer 11, a convex template 12, an ejector retainner plate 13, a thimble fixed head 14, some thimbles 15 and are installed in the core 16 on the convex template 12.Punch retainer 11 tops are provided with thimble fixed head 14, then be installed with ejector retainner plate 13 on the thimble fixed head 14, and above ejector retainner plate 13 convex template 12 that is provided with separated by a distance, make the displacement between punch retainer 11 and convex template 12 of ejector retainner plate 13 and thimble fixed head 14.Punch retainer 11 is provided with two through hole 111, offers two holding holes 131 on the ejector retainner plate 13, offers two connecting holes 141 on the thimble fixed head 14, and this connecting hole 141, holding hole 131 are communicated with through hole 111.Thimble 15 is fixed on the ejector retainner plate 13.Be concaved with the containing hole 162 and two inclined holes 163 that link to each other with containing hole 162 of an accepting groove 161, two circles that link to each other with this accepting groove 161 on the core 16, the size of containing hole 162 is greater than the size of inclined hole 163.

See also Fig. 1 and Fig. 3, ejecting mechanism 30 comprises push rod 31, an angle ejector rod 32 that links to each other with straight push rod 31 1 ends and a cushion block 33 that links to each other with straight push rod 31 other ends always.Straight push rod 31 has a circular pilum 311, and these pilum 311 1 ends have protruded out a T shape contiguous block 312, and the diameter of pilum 311 is less than the diameter of containing hole 161.Angle ejector rod 32 1 ends are provided with a T shape link slot 321, and these angle ejector rod 32 other ends convex with a hook portion 322 to a side.The contiguous block 312 of straight push rod 31 is inserted in the link slot 321 of angle ejector rod 32 slidably.

See also Fig. 1, during injection mold 1 assembling, core 16 is installed on the convex template 12, the angle ejector rod 32 of ejecting mechanism 30 is inserted in the containing hole 162, inclined hole 163 of core 16 and stretches out in core 16, and the hook portion 322 of angle ejector rod 32 cooperates the die cavity 40 that forms a shaped article barb with core 16 end faces; The straight push rod 31 of ejecting mechanism 30 is connected with angle ejector rod 32, and the contiguous block 312 of straight push rod 31 is inserted in the link slot 321 of angle ejector rod 32; Thimble 15 and straight push rod 31 are inserted in the ejector retainner plate 13, and cushion block 33 is contained in the holding hole 131 of ejector retainner plate 13; Thimble fixed head 14 is fastened on the ejector retainner plate 13, contain a holding screw 17 in the connecting hole 141 of thimble fixed head 14 respectively, this holding screw 17 is fixed together straight push rod 31, cushion block 33 and the thimble fixed head 14 of ejecting mechanism 30, and the through hole of offering on the punch retainer 11 111 is communicated with connecting hole 141, holding hole 131, can be under the situation that need not dismantle ejector retainner plate 13 and thimble fixed head 14 fastening screw 17 be unclamped straight push rod 31 is separated with cushion block 33, thereby can change straight push rod 31 fast; Ejector retainner plate 13 and thimble fixed head 14 are provided with some holding screws 17 and are fixed together.

See also Fig. 2, when injection mold 1 die sinking ejects, straight push rod 31 in the vertical directions of ejecting mechanism 30 eject, straight push rod 31 and angle ejector rod 32 link together versatilely, thereby when straight push rod 31 stretches in the containing hole 162, angle ejector rod 32 is along the inclined hole 163 oblique products that eject, and in the process of ejecting, the hook portion 322 of angle ejector rod 32 breaks away from product can eject product smoothly.

As mentioned above, the utility model injection mold 1 is provided with ejecting mechanism 30 by punch 10, and then use when on the product inwall, having barb the angle ejector rod 32 of ejecting mechanism 30 to eject simultaneously in the horizontal direction with on the vertical direction, thus make the smooth demoulding of product, to enhance productivity.

The utility model is not limited to the above-mentioned specific embodiment, those skilled in the art that also can make multiple variation in view of the above, can or directly angle ejector rod be fixed on the ejector retainner plate for riveted joint as the connected mode of angle ejector rod with straight push rod, these variations all should be encompassed in the scope of the utility model claim.

Claims

1. injection mold, comprise a die and one with the punch of the corresponding setting of die, punch comprises a convex template, one and a corresponding ejector retainner plate of convex template and a core that is installed on the convex template; It is characterized in that: be concaved with an inclined hole on the core; Be fixed with at least two ejecting mechanisms on the ejector retainner plate, ejecting mechanism comprises an angle ejector rod, angle ejector rod one end convexes with a hook portion to a side, and angle ejector rod is inserted in the inclined hole of core slidably and stretches out in core, and hook portion cooperates the die cavity that forms a shaped article barb with the core end face.

2. injection mold as claimed in claim 1 is characterized in that: be concaved with an accepting groove, two containing holes that link to each other with this accepting groove on the described core, this containing hole links to each other with described inclined hole; Described angle ejector rod is inserted in accepting groove, containing hole and the inclined hole movably.

3. injection mold as claimed in claim 1 is characterized in that: described ejecting mechanism comprises push rod always, movable being connected on the angle ejector rod of this straight push rod one end, and the other end then is fixed on the ejector retainner plate.

4. injection mold as claimed in claim 3 is characterized in that: described straight push rod has a pilum, and this pilum one end has protruded out a T shape contiguous block; Angle ejector rod one end is provided with a T shape link slot, and contiguous block is inserted in the link slot slidably.

5. injection mold as claimed in claim 1 is characterized in that: described punch comprises a punch retainer, a thimble fixed head and some thimbles; Punch retainer is provided with two through hole, offers two holding holes on the described ejector retainner plate, offers two connecting holes on the thimble fixed head, and connecting hole, holding hole are communicated with through hole.

6. injection mold as claimed in claim 5 is characterized in that: contain a cushion block in the described holding hole, this cushion block is connected with straight push rod one end.

7. injection mold as claimed in claim 5 is characterized in that: contain a holding screw in the connecting hole of described thimble fixed head respectively, this holding screw is fixed together straight push rod, cushion block and the thimble fixed head of ejecting mechanism.