CN217293323U

CN217293323U - Economize material mould hot runner structure

Info

Publication number: CN217293323U
Application number: CN202220405697.0U
Authority: CN
Inventors: 付景利; 刘晓臣
Original assignee: Yantai Hongsheng Mould Co ltd
Current assignee: Yantai Hongsheng Mould Co ltd
Priority date: 2022-02-28
Filing date: 2022-02-28
Publication date: 2022-08-26
Anticipated expiration: 2032-02-28

Abstract

The utility model discloses a economize material mould hot runner structure, including lower mould and last mould, go up the inside runner that is equipped with of mould, go up the mould in be equipped with runner complex annular chamber, the winding has the circulating pipe in the annular chamber, the lower mould outside is equipped with the bin that corresponds with the circulating pipe, it still is equipped with extrusion chamber and activity chamber to go up the mould in, the sealed slip of extrusion intracavity is equipped with the extrusion piston, the activity intracavity rotates and is equipped with reciprocal lead screw, the extrusion piston passes through reciprocating mechanism and reciprocal screw connection. The utility model discloses a set up annular chamber, circulating pipe, reciprocating mechanism and slewing mechanism, reciprocal lead screw rotation can drive extrusion piston at extrusion intracavity reciprocating motion through lead screw cover and connecting rod, can realize heating material's circulation in the bin, keeps warm to the raw materials that passes through from the runner through the annular chamber, can effectively avoid it to take place to condense and lead to the problem that the raw materials total amount reduces and block up the runner.

Description

Economize material mould hot runner structure

Technical Field

The utility model relates to the technical field of mold, especially, relate to a economize material mould hot runner structure.

Background

The die is various dies and tools for obtaining required products by injection molding, blow molding, extrusion, die casting or forging forming, smelting, stamping and other methods in industrial production.

When utilizing injection mold to carry out the injection moulding of product, need leave runner channel in injection mold and communicate injection molding machine and mould cavity, the raw materials can not only can cause certain loss and can influence the smooth and easy degree that the raw materials passes through runner channel to the raw materials because the temperature problem produces certain condensing when passing through runner channel, condenses, so need make the solution to this problem, consequently redesign a economize material mould hot runner structure here.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a hot runner structure of a material-saving mould.

In order to realize the purpose, the utility model adopts the following technical scheme:

the utility model provides a economize material mould hot runner structure, includes lower mould and last mould, it is equipped with runner to go up mould inside, upward be equipped with in the mould with runner complex annular chamber, the winding has the circulating pipe in the annular chamber, the lower mould outside is equipped with the bin that corresponds with the circulating pipe, still be equipped with extrusion chamber and activity chamber in the last mould, the sealed slip of extrusion intracavity is equipped with the extrusion piston, the rotation of activity intracavity is equipped with reciprocal lead screw, the extrusion piston passes through reciprocating mechanism and reciprocal screw connection, it still is equipped with the transmission groove to go up the mould diapire, the transmission inslot internal rotation is equipped with first conical gear, reciprocal lead screw passes through slewing mechanism and is connected with first conical gear, still be equipped with the power chamber in the lower mould, be equipped with driving motor in the power chamber, driving motor passes through block mechanism and is connected with first conical gear.

Preferably, reciprocating mechanism establishes the lead screw cover at reciprocal lead screw outer wall including the cover, the lead screw cover lateral wall is fixed with two connecting rods, two the connecting rod tip extends to the extrusion intracavity and with extrusion piston lateral wall fixed connection.

Preferably, the rotating mechanism comprises a second bevel gear fixedly connected with the end of the reciprocating screw, and the first bevel gear is meshed with the second bevel gear.

Preferably, the clamping mechanism comprises a plurality of clamping strips fixed on the outer wall of the output shaft of the driving motor, the bottom wall of the first bevel gear is provided with a connecting groove matched with the output shaft of the driving motor, and the inner wall of the connecting groove is provided with a clamping groove corresponding to the clamping strips.

Preferably, the lower mould up end is equipped with two recesses, two the bottom wall all is fixed with electric telescopic handle in the recess, electric telescopic handle flexible end and last mould diapire fixed connection.

Preferably, the circulating pipe is divided into two parts, one end of the first part and one end of the second part of the circulating pipe extend into the storage tank, and the other end of the first part and the other end of the second part of the circulating pipe are respectively communicated with the squeezing cavity through the liquid inlet one-way valve and the liquid outlet one-way valve.

The utility model has the advantages that:

1. through setting up annular chamber, circulating pipe, reciprocating mechanism and slewing mechanism, reciprocal lead screw rotation can drive extrusion piston at extrusion intracavity reciprocating motion through screw rod cover and connecting rod, can realize heating the circulation of matter in the bin, keeps warm to the raw materials that passes through from runner through the annular chamber, can effectively avoid it to take place to condense and lead to the problem that the raw materials total amount reduces and block up runner.

2. Through setting up driving motor, first bevel gear and block mechanism, only can realize driving first bevel gear through driving motor and rotate after last mould and lower mould compound die, the connected mode between driving motor and the first bevel gear is the snap-on, can guarantee to go up the smooth and easy degree of mould and lower mould open and shut, avoids setting driving motor in last mould simultaneously, can effectively reduce the overall quality of last mould, can reduce electric telescopic handle's loss.

Drawings

Fig. 1 is a schematic structural view of a hot runner structure of a material saving mold according to the present invention;

FIG. 2 is an enlarged view of the structure at A in FIG. 1;

fig. 3 is an enlarged schematic view of the structure at B in fig. 1.

In the figure: the device comprises a lower die 1, an upper die 2, a sprue runner 3, an electric telescopic rod 4, an annular cavity 5, a circulating pipe 6, an extrusion cavity 7, an extrusion piston 8, a movable cavity 9, a reciprocating screw rod 10, a connecting rod 11, a power cavity 12, a storage box 13, a driving motor 14, a transmission groove 15, a first bevel gear 16, a second bevel gear 17 and a clamping strip 18.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", 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 description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Referring to fig. 1-3, a material-saving mold hot runner structure, including a lower mold 1 and an upper mold 2, a sprue runner 3 is arranged inside the upper mold 2, an annular cavity 5 matched with the sprue runner 3 is arranged in the upper mold 2, a circulating pipe 6 is wound in the annular cavity 5, a storage tank 13 corresponding to the circulating pipe 6 is arranged outside the lower mold 1, an extrusion cavity 7 and a movable cavity 9 are further arranged in the upper mold 2, an extrusion piston 8 is arranged in the extrusion cavity 7 in a sealed sliding manner, a reciprocating lead screw 10 is arranged in the movable cavity 9 in a rotating manner, the extrusion piston 8 is connected with the reciprocating lead screw 10 through a reciprocating mechanism, the reciprocating mechanism comprises a lead screw sleeve sleeved on the outer wall of the reciprocating lead screw 10, two connecting rods 11 are fixed on the side wall of the lead screw sleeve, the end portions of the two connecting rods 11 extend into the extrusion cavity 7 and are fixedly connected with the side wall of the extrusion piston 8, and the lead screw sleeve sleeved on the outer wall of the reciprocating lead screw 10 can drive the extrusion piston 8 to reciprocate left and right in the extrusion cavity 7 through the connecting rods 11 when the reciprocating lead screw 10 rotates.

The bottom wall of the upper die 2 is further provided with a transmission groove 15, a first bevel gear 16 is rotationally arranged in the transmission groove 15, the reciprocating lead screw 10 is connected with the first bevel gear 16 through a rotating mechanism, the rotating mechanism comprises a second bevel gear 17 fixedly connected with the end portion of the reciprocating lead screw 10, the first bevel gear 16 is meshed with the second bevel gear 17, and the first bevel gear 16 can drive the reciprocating lead screw 10 to rotate through the second bevel gear 17 meshed with the first bevel gear.

Still be equipped with power cavity 12 in the lower mould 1, be equipped with driving motor 14 in the power cavity 12, driving motor 14 is connected with first bevel gear 16 through block mechanism, block mechanism includes a plurality of block strips 18 of fixing at driving motor 14 output shaft outer wall, first bevel gear 16 diapire is equipped with the spread groove with driving motor 14 output shaft complex, the spread groove inner wall is equipped with the block groove that corresponds with block strip 18, when lower mould 1 and last mould 2 compound die, driving motor 14's output shaft gets into the spread groove, the block strip 18 of driving motor 14 outer wall can correspond with the block groove realization block of spread groove inner wall, start driving motor 14 at this moment and can drive first bevel gear 16 and rotate.

The upper end face of the lower die 1 is provided with two grooves, the bottom walls of the two grooves are fixed with electric telescopic rods 4, the telescopic ends of the electric telescopic rods 4 are fixedly connected with the bottom walls of the upper die 2, and the lower die 1 and the upper die 2 are matched by the electric telescopic rods 4.

The circulating pipe 6 is divided into two parts, one end of the first part and one end of the second part of the circulating pipe 6 extend into the storage tank 13, the other end of the first part and the other end of the second part of the circulating pipe 6 are respectively communicated with the extrusion cavity 7 through the liquid inlet one-way valve and the liquid outlet one-way valve, the circulating pipe 6 can realize the circulating flow of heating substances, can heat raw materials passing through the sprue runner 3, and ensures the temperature to prevent the raw materials from being cooled and adhered to the inner wall of the sprue runner 3.

When the utility model is used, the mold closing of the lower mold 1 and the upper mold 2 is realized by the electric telescopic rod 4, the raw material enters the pouring runner 3, when the lower mold 1 and the upper mold 2 are closed, the output shaft of the driving motor 14 enters the connecting groove, the clamping strip 18 on the outer wall of the driving motor 14 corresponds to the clamping groove on the inner wall of the connecting groove to realize clamping, at the moment, the driving motor 14 is started to drive the first bevel gear 16 to rotate, the first bevel gear 16 can drive the reciprocating screw 10 to rotate through the second bevel gear 17 meshed with the first bevel gear, the screw sleeve sleeved on the outer wall of the reciprocating screw 10 can drive the extrusion piston 8 to reciprocate left and right in the extrusion cavity 7 through the connecting rod 11, the extrusion piston 8 can heat the heating material (hot oil or hot water and other materials) in the storage tank 13 when reciprocating left and right in the extrusion cavity 7, set up the heating device who is used for guaranteeing this heating material temperature in bin 13 simultaneously, the aforesaid is prior art, and is concrete not in the picture with the article redundant description) realize the circulation process, can heat the raw materials through runner channel 3, guarantee that its temperature can avoid its cooling adhesion at runner channel 3 inner wall, this runner channel 3 is corresponding with 5 structures of annular chamber, and a plurality of devices of collocation realize circulation heating heat preservation function, and overall structure rationally possesses higher practicality.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a economize material mould hot runner structure, includes lower mould (1) and last mould (2), its characterized in that, go up mould (2) inside and be equipped with runner (3), go up be equipped with in mould (2) with runner (3) complex annular chamber (5), the winding has circulating pipe (6) in annular chamber (5), lower mould (1) outside is equipped with bin (13) that corresponds with circulating pipe (6), still be equipped with extrusion chamber (7) and activity chamber (9) in going up mould (2), extrusion chamber (7) inner seal slides and is equipped with extrusion piston (8), activity chamber (9) internal rotation is equipped with reciprocal lead screw (10), extrusion piston (8) are connected with reciprocal lead screw (10) through reciprocating mechanism, go up mould (2) diapire still is equipped with transmission groove (15), transmission groove (15) internal rotation is equipped with first conical gear (16), the reciprocating screw rod (10) is connected with a first bevel gear (16) through a rotating mechanism, a power cavity (12) is further formed in the lower die (1), a driving motor (14) is arranged in the power cavity (12), and the driving motor (14) is connected with the first bevel gear (16) through a clamping mechanism.

2. The hot runner structure of the material-saving die according to claim 1, wherein the reciprocating mechanism comprises a screw sleeve sleeved on the outer wall of the reciprocating screw (10), two connecting rods (11) are fixed on the side wall of the screw sleeve, and the end parts of the two connecting rods (11) extend into the extrusion cavity (7) and are fixedly connected with the side wall of the extrusion piston (8).

3. The hot runner structure of a material saving mold according to claim 2, wherein the rotating mechanism comprises a second bevel gear (17) fixedly connected with the end of the reciprocating screw (10), and the first bevel gear (16) is meshed with the second bevel gear (17).

4. The hot runner structure of the material-saving mold according to claim 3, wherein the clamping mechanism comprises a plurality of clamping strips (18) fixed on the outer wall of the output shaft of the driving motor (14), the bottom wall of the first bevel gear (16) is provided with a connecting groove matched with the output shaft of the driving motor (14), and the inner wall of the connecting groove is provided with a clamping groove corresponding to the clamping strips (18).

5. The hot runner structure of the material-saving mold according to claim 4, wherein two grooves are formed in the upper end surface of the lower mold (1), the bottom walls of the two grooves are fixed with the electric telescopic rod (4), and the tail end of the telescopic end of the electric telescopic rod (4) is fixedly connected with the bottom wall of the upper mold (2).

6. The hot runner structure of the material saving mold according to claim 5, wherein the circulating pipe (6) is divided into two parts, one end of the first part and one end of the second part of the circulating pipe (6) both extend into the storage tank (13), and the other ends of the first part and the second part of the circulating pipe (6) are respectively communicated with the extrusion cavity (7) through a liquid inlet one-way valve and a liquid outlet one-way valve.