CN213471964U

CN213471964U - Plastic toy injection molding device

Info

Publication number: CN213471964U
Application number: CN202021899073.6U
Authority: CN
Inventors: 周广林
Original assignee: Zhaoqing Supreme Plastic Hardware Products Co ltd
Current assignee: Zhaoqing Supreme Plastic Hardware Products Co ltd
Priority date: 2020-09-02
Filing date: 2020-09-02
Publication date: 2021-06-18
Anticipated expiration: 2030-09-02

Abstract

The utility model discloses a plastic toy injection molding device, which comprises a workbench, a control box, a frame, a blanking mechanism, a lifting mechanism, an upper die and a lower die combination; the lower die combination comprises a rotating motor, an indexer, a rotating shaft, a connecting rod, a first lower die and a second lower die; the workbench is provided with a cooling water cavity; through the rotating electrical machines, the graduator, rotation axis and connecting rod, can make first lower mould and second lower mould carry out the position exchange, thereby make and go up the mould and can combine with first lower mould, also can combine with the second lower mould, thereby make the plastics toy will shift to the opposite side of workstation after the solidification shaping on, can not only improve the production efficiency of plastics toy, the follow-up delivery mould of the plastics toy of can also being convenient for is handled, and can also accelerate the solidification cooling rate of plastics toy through the cooling water cavity, further promote the production efficiency of toy.

Description

Plastic toy injection molding device

Technical Field

The utility model relates to a toy injection moulding technical field, concretely relates to plastics toy injection moulding device.

Background

With the improvement of living standard of people, children toys are an indispensable part of daily life of children; in particular to an injection molding toy, the appearance is exquisite, colorful and various in shape; the existing toy injection molding device is generally fixed by a lower die, the upper die pushes the lower die, then the plastic in a molten state is injected into a closed die cavity formed by the upper die and the lower die, the plastic is cooled and solidified and molded in the closed die cavity, but the existing toy injection molding device is only cooled and solidified and molded in the die cavity because the lower die is fixed and unique, only the toy is cooled and solidified and molded in the die cavity, and the upper die rises to the original position, the toy in the lower die can be taken out, after the taking is completed, the next toy injection molding can be carried out, and the existing toy injection molding device has the problems of difficult taking out of the die and low production efficiency.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model aims at providing a plastics toy injection moulding device convenient to get the mould, improvement machining efficiency.

In order to solve the technical problem, the technical scheme of the utility model is that: a plastic toy injection molding device comprises a workbench, a control box positioned on one side of the workbench, a rack arranged above the workbench, a blanking mechanism arranged at the top of the rack, a lifting mechanism arranged at the top of the rack and positioned on one side of the blanking mechanism, an upper die arranged at the lower end of the lifting mechanism and positioned above the workbench, and a lower die assembly arranged below the upper die; the lower die assembly comprises a rotating motor, an indexer, a rotating shaft, a connecting rod, a first lower die, a second lower die and a control box, wherein the rotating motor is positioned below the workbench, the indexer is arranged at the upper end of the rotating motor and positioned below the workbench, the rotating shaft is arranged at the upper end of the indexer, the connecting rod is arranged at the upper end of the rotating shaft and positioned above the workbench, the first lower die is arranged at one end of the connecting rod and positioned below the upper die, the second lower die is arranged at the other end of the connecting rod and has the same structure with the first lower die, the second lower die and the first lower die are symmetrical about the center of the connecting rod, the upper end of the rotating shaft is fixedly connected with the center of the bottom of the connecting rod, the rotating motor is fixedly connected with the rotating; the inside cooling water cavity that is provided with of workstation, the one end fixedly connected with of workstation with the inlet tube of cooling water cavity intercommunication, the other end fixedly connected with of workstation with the outlet pipe of cooling water cavity intercommunication.

Preferably, the workbench is provided with a through groove penetrating through the workbench from bottom to top, the upper end of the rotating shaft penetrates through the through groove from bottom to top to be fixedly connected with the connecting rod, and the through groove is not communicated with the cooling water cavity.

Preferably, a first heat-conducting strip is fixedly mounted on the workbench, the lower surface of the first heat-conducting strip is located in the cooling water cavity, the upper surface of the first heat-conducting strip is in contact with the lower surface of the first lower die, a second heat-conducting strip is fixedly mounted on the workbench, the lower surface of the second heat-conducting strip is located in the cooling water cavity, and the upper surface of the second heat-conducting strip is in contact with the lower surface of the second lower die; through setting up first conducting strip is favorable to accelerating the toy and is in go up the solidification of the airtight die cavity that mould and first lower mould or second lower mould formed, through setting up the second conducting strip can make the shaping toy further cool off on the workstation, is favorable to the follow-up drawing of patterns of shaping toy to be handled.

Preferably, the blanking mechanism comprises a blanking hopper, an injection molding material box which is fixedly arranged at the top of the rack, positioned below the blanking hopper and fixed and communicated with the blanking hopper, and an injection molding hose which is arranged at the bottom of the injection molding box and communicated with the inside of the injection molding box, wherein the injection molding hose is long enough, and the injection molding box is fixed and communicated with the upper die through the injection molding hose.

Preferably, the lifting mechanism comprises a lifting cylinder fixedly mounted at the top of the rack, the output end of the lifting cylinder penetrates through the top of the rack from top to bottom and is fixedly connected with a connecting plate, connecting columns are fixedly welded at four corners of the bottom of the connecting plate, the connecting plate is fixedly connected with the top of the upper die through the connecting columns, and the lifting cylinder is electrically connected with the control box; through setting up connecting plate and spliced pole, can with better the transmission of the thrust of lift cylinder is for last mould, is favorable to go up the accurate combination of mould and first lower mould or second lower mould.

The utility model discloses technical effect mainly embodies: through the rotating electrical machines, the graduator, rotation axis and connecting rod, can make first lower mould and second lower mould carry out the position exchange, thereby make and go up the mould and can combine with first lower mould, also can combine with the second lower mould, thereby make the plastics toy will shift to the opposite side of workstation after the solidification shaping on, can not only improve the production efficiency of plastics toy, the follow-up delivery mould of the plastics toy of can also being convenient for is handled, and can also accelerate the solidification cooling rate of plastics toy through the cooling water cavity, further promote the production efficiency of toy.

Drawings

FIG. 1 is a schematic structural view of a plastic toy injection molding device of the present invention;

FIG. 2 is an effect view of the upper mold and the first lower mold of FIG. 1 after being separated;

fig. 3 is a schematic top view of the table of fig. 1.

Detailed Description

The following detailed description of the embodiments of the present invention is made with reference to the accompanying drawings, so that the technical solution of the present invention can be more easily understood and grasped.

In the present embodiment, it should be understood that the terms "middle", "upper", "lower", "top", "right", "left", "above", "back", "middle", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of describing the present invention, and do not indicate or imply that the referred devices or elements must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the present embodiment, if the connection or fixing manner between the components is not specifically described, the connection or fixing manner may be a bolt fixing manner, a pin connecting manner, or the like, which is commonly used in the prior art, and therefore, details thereof are not described in the present embodiment.

An injection molding device for a plastic toy is shown in fig. 1-2 and comprises a workbench 1, a control box 2 positioned on one side of the workbench 1, a frame 3 arranged above the workbench, a blanking mechanism 4 arranged on the top of the frame 3, a lifting mechanism 5 arranged on the top of the frame 3 and positioned on one side of the blanking mechanism 4, an upper die 6 arranged at the lower end of the lifting mechanism 5 and positioned above the workbench 1, and a lower die assembly 7 positioned below the upper die 6; the lower die assembly 7 includes a rotary motor 71 located below the table 1, an indexer 72 disposed on the upper end of the rotary motor 71 and located below the table 1, a rotary shaft 73 disposed on the upper end of the indexer 72, a connecting rod 74 disposed on the upper end of the rotary shaft 73 and located above the table 1, a first lower die 75 disposed on one end of the connecting rod 74 and located below the upper die 6, a second lower die 76 disposed on the other end of the connecting rod 74 and having a structure identical to that of the first lower die 75, the second lower die 76 and the first lower die 75 are symmetrical about the center of the connecting rod 74, the upper end of the rotating shaft 73 is fixedly connected with the center of the bottom of the connecting rod 74, the rotating motor 71 is fixedly connected with the rotating shaft 73 through an indexer 72, and both the rotating motor 71 and the indexer 72 are electrically connected with the control box 3; the inside cooling water cavity 11 that is provided with of workstation 1, the one end fixedly connected with of workstation 1 with the inlet tube 12 of cooling water cavity 11 intercommunication, the other end fixedly connected with of workstation 1 with the outlet pipe 13 of cooling water cavity 11 intercommunication. The blanking mechanism 4 comprises a blanking hopper 41, an injection molding material box 42 which is fixedly arranged at the top of the frame 1, positioned below the blanking hopper 41 and fixedly communicated with the blanking hopper 41, and an injection molding hose 43 which is arranged at the bottom of the injection molding box 42 and is communicated with the inside of the injection molding box 42, wherein the injection molding hose 43 is long enough, and the injection molding box is fixedly communicated with an upper mold 6 through the injection molding hose 4. The lower hopper 41, the injection molding material box 42 and the injection molding hose 43 inject the molten plastic into the closed mold cavity formed by the upper mold 6 and the first lower mold 75 (or the closed mold cavity formed by the upper mold 6 and the second lower mold 76) by the injection molding technique, and the injection of the molten plastic into the mold cavity by the injection molding technique is well known to those skilled in the art and will not be described herein. The lifting mechanism 5 comprises a lifting cylinder 51 fixedly mounted at the top of the rack 3, the output end of the lifting cylinder 51 penetrates through the top of the rack 3 from top to bottom and is fixedly connected with a connecting plate 52, four corners at the bottom of the connecting plate 52 are fixedly welded with connecting columns 53, the connecting plate 52 is fixedly connected with the top of the upper die 3 through the connecting columns 52, and the lifting cylinder 51 is electrically connected with the control box 3; through the arrangement of the connecting plate 52 and the connecting column 53, the pushing force of the lifting cylinder 51 can be better transmitted to the upper die 6, which is beneficial to the precise combination of the upper die 6 and the first lower die 75 or the second lower die 76.

As shown in fig. 3, the workbench 1 is provided with a through groove 14 penetrating through the workbench 1 from bottom to top, the upper end of the rotating shaft 73 penetrates through the through groove 14 from bottom to top to be fixedly connected with the connecting rod 74, and the through groove 14 is not communicated with the cooling water cavity 11. A first heat-conducting strip 15 is fixedly installed on the workbench 1, the lower surface of the first heat-conducting strip 15 is positioned in the cooling water cavity 11, the upper surface of the first heat-conducting strip 15 is in contact with the lower surface of the first lower die 75, a second heat-conducting strip 16 is fixedly installed on the workbench 1, the lower surface of the second heat-conducting strip 16 is positioned in the cooling water cavity 11, and the upper surface of the second heat-conducting strip 16 is in contact with the lower surface of the second lower die 76; the first heat-conducting strip 15 is beneficial to accelerating the solidification and molding of the toy in a closed mold cavity formed by the upper mold 6 and the first lower mold 75 or the second lower mold 76, and the second heat-conducting strip 16 is beneficial to further cooling the molded toy on the workbench 1 and facilitating the subsequent mold removal processing of the molded toy.

In this embodiment, the first heat conducting strip 15 and the second heat conducting strip 16 are both steel-aluminum composite heat radiating strips, which have the advantages of small thermal resistance, good heat transfer performance, high strength, strong corrosion resistance, no deformation under long-term cold and hot working conditions, long service life, smooth and burr-free integral rolling, no corrugation, and the like. Of course, the whole workbench 1 can be made of metal with good thermal conductivity, the workbench 1 is set to be of a hollow structure, and cooling water is introduced into the hollow part of the workbench 1, so that heat in a lower die on the workbench 1 is taken away, and solidification, cooling and molding of plastic in a die cavity are accelerated.

In this embodiment, the injection molded hose 43 is a stainless steel hose with high temperature resistance.

The working principle is as follows: the control box 3 is opened, the lifting cylinder 51 is controlled by the control box 3, the lifting cylinder 51 drives the upper die 6 to move downwards, the upper die 6 is tightly combined with the first lower die 75, after the upper die 6 and the first lower die 75 form a closed die cavity, molten plastic is injected into the die cavity through the feeding hopper 41, the injection molding material box 42 and the injection molding hose 43, cooling water in the cooling water cavity 11 takes away heat in the die cavity through the first heat conducting sheet 15 to accelerate solidification of the toy in the die cavity, after the toy is solidified and molded, the control box 3 drives the upper die 6 to ascend through the lifting cylinder 51, after the upper die 6 is reset, the control box 3 drives the connecting rod 74 to rotate 180 degrees through the rotating motor 71, the indexer 74 and the rotating shaft 73, the second lower die 76 exchanges positions with the first lower die 75, and the control box 3 drives the upper die 6 to descend through the lifting cylinder 51, after the upper die 6 is tightly combined with the second lower die 76, and the upper die 6 and the second lower die 76 form a closed die cavity, the molten plastic is injected into the die cavity through the feeding hopper 41, the injection molding material box 42 and the injection molding hose 43, at this time, the cooling water in the cooling water cavity 11 takes away the heat of the formed toy on the first lower die 15 through the second heat conducting strip 16, the formed toy is further cooled, the plastic is cooled and solidified into the toy in the die cavity formed by the upper die 6 and the second upper die 76, and the toy on the first lower die 75 is taken away through a manipulator or other technical means after the toy on the first lower die 75 is cooled to room temperature.

Of course, the above is only a typical example of the present invention, and besides, the present invention can also have other various specific embodiments, and all technical solutions adopting equivalent replacement or equivalent transformation are all within the scope of the present invention as claimed.

Claims

1. A plastic toy injection molding device comprises a workbench, a control box positioned on one side of the workbench, a rack arranged above the workbench, a blanking mechanism arranged at the top of the rack, a lifting mechanism arranged at the top of the rack and positioned on one side of the blanking mechanism, an upper die arranged at the lower end of the lifting mechanism and positioned above the workbench, and a lower die assembly arranged below the upper die; the method is characterized in that: the lower die assembly comprises a rotating motor positioned below the workbench, an indexer arranged at the upper end of the rotating motor and positioned below the workbench, a rotating shaft arranged at the upper end of the indexer, a connecting rod arranged at the upper end of the rotating shaft and positioned above the workbench, a first lower die arranged at one end of the connecting rod and positioned below the upper die, and a second lower die arranged at the other end of the connecting rod; and a cooling water cavity is arranged in the workbench.

2. A plastic toy injection molding apparatus as claimed in claim 1, wherein: the one end fixedly connected with of workstation with the inlet tube of cooling water cavity intercommunication, the other end fixedly connected with of workstation with the outlet pipe of cooling water cavity intercommunication.

3. A plastic toy injection molding apparatus as claimed in claim 1, wherein: the workstation is provided with the logical groove that runs through the workstation by supreme down, the upper end of rotation axis is by supreme logical groove and connecting rod fixed connection of passing down.

4. A plastic toy injection molding apparatus as claimed in claim 1, wherein: the upper surface of the second heat-conducting fin is in contact with the lower surface of the second lower die.

5. A plastic toy injection molding apparatus as claimed in claim 1, wherein: the blanking mechanism comprises a blanking hopper, an injection molding material box which is fixedly arranged at the top of the rack, positioned below the blanking hopper and fixedly communicated with the blanking hopper, and an injection molding hose which is arranged at the bottom of the injection molding box and communicated with the inside of the injection molding box, wherein the injection molding box is fixedly communicated with the upper die through the injection molding hose.

6. A plastic toy injection molding apparatus as claimed in claim 1, wherein: elevating system includes fixed mounting and is in the lift cylinder at frame top, the top fixedly connected with connecting plate that the frame was run through from top to bottom to the output of lift cylinder, the bottom four corners department welded fastening of connecting plate has the spliced pole, the connecting plate passes through the top fixed connection of spliced pole and last mould.