CN210880655U

CN210880655U - Injection mold for processing plastic part

Info

Publication number: CN210880655U
Application number: CN201921892035.5U
Authority: CN
Inventors: 金银石
Original assignee: Tianjin Xinwangai Technology Co ltd
Current assignee: Tianjin Xinwangai Technology Co ltd
Priority date: 2019-11-05
Filing date: 2019-11-05
Publication date: 2020-06-30
Anticipated expiration: 2029-11-05

Abstract

The utility model discloses an injection mold that plastic part processing was used, including processing platform and mould body, the constant head tank has been seted up to the upper end of processing platform, the bottom of mould body and constant head tank offsets, the upper end welding of processing platform has the extrusion push rod that two symmetries set up, two the one end that the extrusion push rod is close to the mould body has all welded the ejector pad, two the ejector pad all offsets with the mould body, the inside of processing platform is equipped with the heat dissipation mechanism that improves injection efficiency. In this device, make the mould body by spacing simultaneously with the horizontal direction under the promotion of extrusion promotion through the design of ejector pad for the installation of mould body is more stable, makes the mould body obtain preheating treatment before the beginning of moulding plastics through setting up the electric bar, can avoid the direct impact of high temperature material to the mould body, and then improves the life of mould body.

Description

Injection mold for processing plastic part

Technical Field

The utility model relates to an injection mold technical field especially relates to an injection mold of plastic part processing usefulness.

Background

An injection mold is a tool for producing plastic products; and is also a tool for giving the plastic product complete structure and accurate dimension. Injection molding is a process used to mass produce parts of some complex shapes. Specifically, the plastic melted by heating is injected into a mold cavity from an injection molding machine at high pressure, and a formed product is obtained after cooling and solidification.

At present, plastic parts are processed by using an injection mold bracket for molding, and the existing injection mold generally waits for the automatic slow cooling after materials are injected into the mold or is added with single water cooling, so that a large amount of time is consumed in the cooling step in the injection molding process of the mold, the rapid large-batch production process cannot be met, and the processing time is wasted.

SUMMERY OF THE UTILITY MODEL

The utility model relates to a solve to have cooling rate slow among the prior art, the shortcoming of the inefficiency of moulding plastics, and the injection mold of a plastic part processing usefulness that proposes.

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

the utility model provides an injection mold that plastic part processing was used, includes processing platform and mould body, the constant head tank has been seted up to the upper end of processing platform, the mould body offsets with the bottom of constant head tank, the upper end welding of processing platform has the extrusion push rod that two symmetries set up, two the one end that the extrusion push rod is close to the mould body has all welded the ejector pad, two the ejector pad all offsets with the mould body, the inside of processing platform is equipped with the heat dissipation mechanism that improves injection efficiency.

Preferably, the heat dissipation mechanism comprises a cooling cavity arranged inside the processing table, a water inlet pipe and a water outlet pipe communicated with the cooling cavity are inserted into the side wall of the processing table, and the water inlet pipe and the water outlet pipe are symmetrical about the center of the processing table.

Preferably, the inside in cooling chamber is equipped with a plurality of air supply mechanisms, air supply mechanism include with the inside pivot of rotating the connection of cooling chamber, the circumference lateral wall symmetric welding of pivot has two commentaries on classics leaves.

Preferably, the lateral wall welding of cooling chamber has a plurality of baffles, and is a plurality of baffle and a plurality of pivot one-to-one, every the baffle all is located the corresponding pivot and is close to inlet tube one side, the width of baffle is half of cooling chamber width.

Preferably, the ventilation groove that two symmetries set up is seted up to the both sides wall of processing platform, and is a plurality of the pivot all runs through the lateral wall of cooling chamber and extends to the ventilation inslot portion, every the pivot is located the inside one end welding of ventilation inslot portion and has the flabellum.

Preferably, the bottom of the positioning groove is provided with a preheating groove, and a plurality of electric heating rods are fixed on the inner wall of the preheating groove.

Compared with the prior art, the utility model has the advantages of:

1. in the device, the mould body is limited in the vertical and horizontal directions simultaneously under the pushing of extrusion pushing through the design of the pushing block, so that the installation of the mould body is more stable, the mould body is subjected to preheating treatment before the injection molding is started through the arrangement of the electric heating rod, the direct impact of high-temperature materials on the mould body can be avoided, and the service life of the mould body is further prolonged;

2. in this device, make the cooling efficiency of mould body promote by a wide margin through setting up the cooling chamber, and then improved injection efficiency, the flow through cooling solution drives the pivot and rotates, and then makes the flabellum rotate and produce wind-force for ventilation inslot portion circulation of air speed is accelerated, makes the radiating efficiency of mould body obtain further promotion.

Drawings

Fig. 1 is a schematic structural view of an injection mold for processing plastic parts according to the present invention.

Fig. 2 is a sectional view taken in the direction a of fig. 1.

In the figure: the device comprises a processing table 1, positioning grooves 2, a die body 3, an extrusion push rod 4, a push block 5, a preheating groove 6, an electric heating rod 7, a ventilation groove 8, a cooling cavity 9, a rotating shaft 10, rotating blades 11, fan blades 12, a baffle 13, a water inlet pipe 14 and a water outlet pipe 15.

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.

Referring to fig. 1-2, an injection mold for processing a plastic part comprises a processing table 1 and a mold body 3, wherein a positioning groove 2 is formed in the upper end of the processing table 1, the mold body 3 abuts against the bottom of the positioning groove 2, two symmetrically arranged extrusion push rods 4 are welded to the upper end of the processing table 1, push blocks 5 are welded to one ends, close to the mold body 3, of the two extrusion push rods 4, the push blocks 5 are in L-shaped structures and can limit two directions of the mold body 3, the two push blocks 5 abut against the mold body 3, and a heat dissipation mechanism for improving injection molding efficiency is arranged inside the processing table 1; the extrusion push rod 4 is an electric push rod with the model of DTZ 60.

The heat dissipation mechanism is including offering in the inside cooling chamber 9 of processing platform 1, the lateral wall of processing platform 1 is inserted and is equipped with inlet tube 14 and outlet pipe 15 with cooling chamber 9 intercommunication, inlet tube 14 and outlet pipe 15 are about the central symmetry of processing platform 1, it can be full of cooling chamber 9 fast to guarantee cooling solution, cooling chamber 9 is cyclic annular and around establishing in constant head tank 2 outsidely, surround mould body 3, the heat that can the at utmost absorbs mould body 3 and distribute out, the efficiency of cooling is improved.

A plurality of air supply mechanisms are arranged inside the cooling cavity 9, each air supply mechanism comprises a rotating shaft 10 which is rotatably connected with the inside of the cooling cavity 9, and two rotating blades 11 are symmetrically welded on the circumferential side wall of each rotating shaft 10; the welding of the lateral wall of cooling chamber 9 has a plurality of baffles 13, a plurality of baffles 13 and a plurality of pivot 10 one-to-one, and every baffle 13 all is located corresponding pivot 10 and is close to inlet tube 14 one side, and the width of baffle 13 is half of cooling chamber 9 width, and the commentaries on classics leaf 11 of both sides receives the impact force of rivers different under the separation of baffle 13, makes commentaries on classics leaf 11 drive pivot 10 rotation under the effect of pressure differential.

Processing platform 1's both sides wall is seted up the ventilation groove 8 that two symmetries set up, a plurality of pivots 10 all run through the lateral wall of cooling chamber 9 and extend to ventilation groove 8 inside, sealed through rotation is connected during pivot 10 and the lateral wall of cooling chamber 9, can not lead to the inside solution of cooling chamber to spill, every pivot 10 is located the one end welding of ventilation groove 8 inside and has flabellum 12, drive flabellum 12 through pivot 10 and rotate and produce wind-force, the heat of mould body 3 gives off with higher speed, whole injection efficiency is improved.

The preheating groove 6 has been seted up to the bottom of constant head tank 2, and the inner wall of preheating groove 6 is fixed with a plurality of electric bars 7, carries out preheating treatment to mould body 3 through the heat that electric bar 7 produced, can avoid high temperature material to mould body 3's direct impact, and then protects mould body 3 and improves its life.

When injection molding is carried out, firstly, the mold body 3 is placed in the positioning groove 2, then the two extrusion push rods 4 are started to push the two push blocks 5 to move, so that the two push blocks 5 are abutted against the two ends of the mold body 3, the mold body 3 is clamped and limited, then the electric heating rod 7 is started to carry out preheating treatment on the mold body 3, the temperature of the electric heating rod is increased to a certain extent, the damage of high-temperature materials to the mold body 3 is avoided, the service life of the mold body 3 is prolonged, and the electric heating rod 7 is closed to inject the materials into the mold body 3 after a period of time;

after the material filling finishes, can be by inlet tube 14 to the inside cooling solution that pours into of cooling chamber 9, make it flow round constant head tank 2, take away the heat that mould body 3 distributed out fast, and then improve cooling efficiency, at the in-process that cooling solution flows, will not be continuous impact commentaries on classics leaf 11, because the separation of baffle 13 makes the most commentaries on classics leaf 11 that strikes one side of solution, make both sides commentaries on classics leaf 11 atress uneven and rotate towards a direction, and then make pivot 10 drive flabellum 12 and rotate, wind-force that forms through flabellum 12 rotation accelerates the inside air flow of ventilation groove 8, make mould body 3 spread the discharge that can be quick to the inside heat of ventilation groove 8, and then improve holistic cooling radiating efficiency, improve holistic injection efficiency.

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 an injection mold that plastic part processing was used, includes processing platform (1) and mould body (3), its characterized in that, constant head tank (2) have been seted up to the upper end of processing platform (1), mould body (3) offset with the bottom of constant head tank (2), the upper end welding of processing platform (1) has extrusion push rod (4) that two symmetries set up, two extrusion push rod (4) are close to the one end of mould body (3) and all have been welded ejector pad (5), two ejector pad (5) all offset with mould body (3), the inside of processing platform (1) is equipped with the heat dissipation mechanism who improves injection efficiency.

2. The injection mold for processing the plastic part as recited in claim 1, wherein the heat dissipation mechanism comprises a cooling chamber (9) arranged inside the processing table (1), a water inlet pipe (14) and a water outlet pipe (15) communicated with the cooling chamber (9) are inserted into the side wall of the processing table (1), and the water inlet pipe (14) and the water outlet pipe (15) are symmetrical with respect to the center of the processing table (1).

3. The injection mold for processing the plastic part as claimed in claim 2, wherein a plurality of air supply mechanisms are arranged inside the cooling cavity (9), each air supply mechanism comprises a rotating shaft (10) rotatably connected with the inside of the cooling cavity (9), and two rotating blades (11) are symmetrically welded to the circumferential side wall of the rotating shaft (10).

4. The injection mold for machining the plastic part as claimed in claim 3, wherein a plurality of baffles (13) are welded to the side wall of the cooling cavity (9), the plurality of baffles (13) correspond to the plurality of rotating shafts (10) one to one, each baffle (13) is located on one side, close to the water inlet pipe (14), of the corresponding rotating shaft (10), and the width of each baffle (13) is half of the width of the cooling cavity (9).

5. The injection mold for machining the plastic part as claimed in claim 3, wherein two symmetrically arranged ventilation slots (8) are formed in two side walls of the machining table (1), the plurality of rotating shafts (10) penetrate through the side walls of the cooling cavity (9) and extend into the ventilation slots (8), and fan blades (12) are welded at one end, located inside the ventilation slots (8), of each rotating shaft (10).

6. The injection mold for plastic parts processing according to claim 1, wherein the bottom of the positioning groove (2) is provided with a preheating groove (6), and a plurality of electric heating bars (7) are fixed on the inner wall of the preheating groove (6).