CN216635193U - Switch knob double-color injection mold - Google Patents

Abstract

The utility model relates to the technical field of injection molds, and particularly discloses a switch knob double-color injection mold which comprises an upper mold and a lower mold, wherein the four corners of the top of the lower mold are respectively provided with a butt joint jack, the four corners of the bottom of the upper mold are respectively and fixedly connected with a butt joint plug rod, the left side and the right side of the top of the lower mold, which are close to the center, are respectively provided with a mold groove, and the positions of the bottom of the upper mold, which correspond to the mold grooves, are respectively and fixedly connected with a mold block; according to the utility model, the water injection hole and the water discharge hole are matched with the connecting channel, so that cooling water can be effectively injected into the inner cavities of the two model blocks and can be effectively discharged through the water discharge pipe, the heat of the raw materials can be effectively taken out, and therefore, the effect of rapid cooling is realized.

Description

Switch knob double-color injection mold

Technical Field

The utility model relates to the technical field of injection molds, in particular to a switch knob double-color injection mold.

Background

The double-color mold is a mold which is formed by injecting two plastic materials on the same injection molding machine in two times, but the product is only subjected to mold stripping once, generally, the molding process is also called double-material injection molding, is usually completed by one set of mold, needs a special double-color injection molding machine, is increasingly popular in the market, can enable the appearance of the product to be more beautiful, is easy to change colors without spraying, but has high manufacturing cost and high technical requirement.

At present when carrying out switch knob's double-colored mould and moulding plastics, need pour into the plastic raw materials of molten state into the model inslot and carry out cooling forming, but most double-colored injection mold is when cooling down at present, all cool off its surface, apart from the model groove distance far away, the cooling effect is relatively poor, can't cool off fast to the raw materials in the model inslot, simultaneously because switch knob self's particularity, the surface can have a large amount of anti-skidding tooth's sockets after its shaping, lead to inconvenient taking out from the model inslot behind cooling forming, consequently, need design one kind and can cool off fast to the raw materials in the model inslot, and the convenient switch knob double-colored injection mold of taking out fast from the model inslot with the switch knob after the shaping.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects of the prior art, the utility model provides the switch knob double-color injection mold which has the advantages that the raw materials in the mold groove can be rapidly cooled, the molded switch knob can be conveniently and rapidly taken out from the mold groove, and the like, and solves the problems that the traditional switch knob double-color injection mold is poor in cooling effect and inconvenient to take out the molded switch knob.

The switch knob double-color injection mold comprises an upper mold and a lower mold, wherein the four corners of the top of the lower mold are respectively provided with a butt joint jack, the four corners of the bottom of the upper mold are respectively and fixedly connected with a butt joint jack rod, the left side and the right side of the top of the lower mold, which are close to the center, are respectively provided with a mold groove, and the positions of the bottom of the upper mold, which correspond to the mold grooves, are respectively and fixedly connected with a model block; go up the mould top left and right sides and all run through along the vertical direction and seted up notes material hole, the lower mould top is located the central position that two mould grooves kept away from one side each other and has all seted up the baffle box.

Through the design of the technical scheme, the working personnel can inject raw materials better and the raw materials can enter the model groove better.

As a further improvement of the utility model, the center positions of the bottoms of the two model grooves are movably embedded with first movable pieces, the positions of the inner cavity of the lower die, which are positioned below the two model grooves, are respectively provided with a mounting groove, the center positions of the bottoms of the inner cavities of the two mounting grooves are respectively and fixedly connected with a fixed cylinder, the tops of the two fixed cylinders are respectively and movably inserted with a piston rod, and the top ends of the two piston rods are respectively and fixedly connected with second movable pieces.

Through the design of the technical scheme, the switch knob formed in the model groove can be taken out better.

As a further improvement of the utility model, the positions of the left side and the right side of the lower die close to the bottom are fixedly connected with fixed blocks, treading type inflators are respectively arranged at the tops of the two fixed blocks, and the output ends of the two treading type inflators are respectively communicated with the inner cavity of the fixed cylinder through connecting pipes.

Through the design of the technical scheme, the distance between the first movable sheet and the second movable sheet can be better controlled by a worker.

As a further improvement of the utility model, the positions of the left side and the right side of the top of the upper die, which correspond to the two model blocks, are respectively provided with a water injection hole and a water drainage hole along the vertical direction, the inner cavities of the two model blocks are both of a hollow structure and are respectively communicated with the water injection hole and the water drainage hole, the top ends of the water injection hole and the water drainage hole are respectively fixedly communicated with a water injection joint and a water drainage joint, the central position of the inner cavity of the upper die is provided with a connecting channel, and the connecting channel communicates the water drainage hole and the water injection hole from the central position and is arranged along a snake shape.

Through the design of the technical scheme, the working personnel can quickly cool the raw materials in the die-casting groove.

Compared with the prior art, the utility model has the following beneficial effects:

according to the utility model, the cooling water can be effectively injected into the inner cavities of the two model blocks and effectively discharged through the water discharge pipe by matching the arranged water injection hole and the water discharge hole with the connecting channel, so that the heat of the raw materials is effectively brought out, and the effect of quick cooling is realized.

Drawings

The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:

FIG. 1 is a schematic view of the overall front cross-sectional open configuration of the present invention;

FIG. 2 is a schematic view of the overall front cross-sectional folding structure of the present invention;

FIG. 3 is a schematic top view of the lower mold of the present invention.

In the figure: 01. a lower die; 02. an upper die; 03. butting the inserted rods; 04. butting the jacks; 05. a mould groove; 06. a model block; 07. a material injection hole; 08. a water injection joint; 09. a water discharge joint; 10. a water injection hole; 11. a drain hole; 12. a connecting channel; 13. a first movable piece; 14. a second movable plate; 15. mounting grooves; 16. a fixed cylinder; 17. a piston rod; 18. a fixed block; 19. a pedal type inflator; 20. a connecting pipe; 21. a material guide groove.

Detailed Description

Embodiments of the present invention are illustrated in the drawings and, for purposes of clarity, numerous specific details are set forth in the following description. It should be understood, however, that these physical details should not be construed as limiting the utility model. That is, in some embodiments of the utility model, such physical details are not necessary. In addition, for simplicity, some conventional structures and components are shown in a simplified schematic manner in the drawings.

In addition, the descriptions related to the first, the second, etc. in the present invention are only used for description purposes, do not particularly refer to an order or sequence, and do not limit the present invention, but only distinguish components or operations described in the same technical terms, and are not understood to indicate or imply relative importance or implicitly indicate the number of indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.

Referring to fig. 1, the two-color injection mold for the switch knob of the present invention includes an upper mold 02 and a lower mold 01, wherein four corners of the top of the lower mold 01 are respectively provided with a docking jack 04, four corners of the bottom of the upper mold 02 are respectively and fixedly connected with a docking plug-in rod 03, the left and right sides of the top of the lower mold 01 near the center are respectively provided with a mold groove 05, and the positions of the bottom of the upper mold 02 corresponding to the mold grooves 05 are respectively and fixedly connected with a mold block 06; go up the mould 02 top left and right sides and all run through along the vertical direction and seted up notes material hole 07, the baffle box 21 has all been seted up to the central position that 01 top of bed die was located two mould groove 05 and keeps away from one side each other, and this structure sets up for the staff can be better carry out the raw materials and pour into, also make the better entering into in the mould groove 05 of raw materials.

Referring to fig. 3, the equal activity of the central position of two mould type groove 05 bottoms is inlayed and is had first movable plate 13, mounting groove 15 has all been seted up to the position that the 01 inner chamber of bed die is located two mould type groove 05 below, the equal fixedly connected with solid fixed cylinder 16 of the central position of two mounting groove 15 inner chamber bottoms, the equal activity in two solid fixed cylinder 16 tops is pegged graft and is had piston rod 17, the equal fixedly connected with second movable plate 14 in two piston rod 17 tops, the structure sets up, make moulded shift knob can be better taken out in mould type groove 05.

Referring to fig. 2, the left and right sides of the lower mold 01 near the bottom are fixedly connected with fixed blocks 18, treading inflators 19 are placed on the tops of the two fixed blocks 18, the output ends of the two treading inflators 19 are communicated with the inner cavity of the fixed cylinder 16 through a connecting pipe 20, and the distance between the first movable plate 13 and the second movable plate 14 can be better controlled by a worker due to the structural arrangement.

Referring to fig. 1, the left side and the right side of the top of the upper mold 02, which correspond to the two mold blocks 06, are respectively provided with a water injection hole 10 and a water drainage hole 11 in the vertical direction, the inner cavities of the two mold blocks 06 are both hollow structures and are respectively communicated with the water injection hole 10 and the water drainage hole 11, the top ends of the water injection hole 10 and the water drainage hole 11 are respectively fixedly communicated with a water injection joint 08 and a water drainage joint 09, the center of the inner cavity of the upper mold 02 is provided with a connecting channel 12, the water drainage hole 11 and the water injection hole 10 are communicated from the center and are arranged along a serpentine shape through the connecting channel 12, and the structural arrangement enables a worker to quickly cool the raw materials in the mold groove 05.

In the use of the utility model: the upper die 02 and the lower die 01 are matched through the matching of the butt joint insert rod 03 and the butt joint insert hole 04, then raw materials are injected through the material injection hole 07, the raw materials flow into the guide chute 21 and flow into the die chute 05 through the material injection hole 07, the raw materials are enabled to form the shape of a switch knob through the matching of the die chute 05 and the die block 06, then cooling water is injected into the water injection hole 10 through the water injection connector 08, the cooling water enters the inner cavity of the die block 06 on the left side through the water injection hole 10 and then slowly rises until the cooling water enters the drain hole 11 from the connecting channel 12 through a plurality of bending windings, the heat absorbed by the cooling water is consumed after the cooling water is wound for a plurality of times, the cooling water firstly falls down after entering the drain hole 11, fills the inner cavity of the die block 06 on the right side and then rises upwards, and finally is discharged from the drain connector 09, so that the raw materials are rapidly cooled, and when the formed switch knob needs to be taken out, the staff steps on fast with the foot and presses pedal type inflater 19, and gaseous can pour into the 16 inner chambers of solid fixed cylinder into through connecting pipe 20 fast, with piston rod 17 jack-up fast upwards, drive the second movable plate 14 and upwards strike mounting groove 15 inner chamber tops fast, through the transmission of striking force with the first movable plate 13 jack-up in the model groove 05 to the shift knob jack-up after will forming or not hard up, it is more convenient when making the staff take out.

The above description is only an embodiment of the present invention, and is not intended to limit the present invention. Various modifications and alterations to this invention will become apparent to those skilled in the art. Any modification, equivalent replacement, improvement or the like made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.

Claims (6)

1. Switch knob double-colored injection mold, including last mould (02) and bed die (01), its characterized in that: the four corners of the top of the lower die (01) are respectively provided with a butt joint jack (04), the four corners of the bottom of the upper die (02) are respectively and fixedly connected with a butt joint jack rod (03), the left side and the right side of the top of the lower die (01) close to the center are respectively provided with a die groove (05), and the positions of the bottom of the upper die (02) corresponding to the die grooves (05) are respectively and fixedly connected with a die block (06); the left side and the right side of the top of the upper die (02) are both penetrated and provided with material injection holes (07) along the vertical direction, and the central positions of the tops of the lower dies (01) on one sides, away from each other, of the two die grooves (05) are both provided with material guide grooves (21).

2. The switch knob bi-color injection mold of claim 1, wherein: two equal activity of central point position of die type groove (05) bottom is inlayed and is had first movable plate (13), mounting groove (15) have all been seted up to the position that lower mould (01) inner chamber is located two die type grooves (05) below.

3. The switch knob bi-color injection mold of claim 2, wherein: the middle position of the bottom of the inner cavity of the two mounting grooves (15) is fixedly connected with a fixed cylinder (16), the top of the fixed cylinder (16) is movably inserted with a piston rod (17), and the top of the piston rod (17) is fixedly connected with a second movable sheet (14).

4. The switch knob bi-color injection mold of claim 1, wherein: the all fixedly connected with fixed block (18) in the position that the lower mould (01) left and right sides is close to the bottom, two pedal inflator (19) have all been placed at fixed block (18) top, two the output of pedal inflator (19) all communicates through connecting pipe (20) and solid fixed cylinder (16) inner chamber.

5. The switch knob bi-color injection mold of claim 1, wherein: the left side and the right side of the top of the upper die (02) correspond to the two model blocks (06) and are respectively provided with a water injection hole (10) and a water drainage hole (11) along the vertical direction, and the inner cavities of the two model blocks (06) are both of hollow structures and are respectively communicated with the water injection hole (10) and the water drainage hole (11).

6. The switch knob bi-color injection mold of claim 5, wherein: the top ends of the water injection hole (10) and the drain hole (11) are respectively and fixedly communicated with a water injection joint (08) and a water drainage joint (09), the central position of the inner cavity of the upper die (02) is provided with a connecting channel (12), and the drain hole (11) and the water injection hole (10) are communicated through the connecting channel (12) from the central position and are arranged along a snake shape.

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