CN216329688U - Split type mold core structure of injection mold - Google Patents

Abstract

The utility model discloses a split type mold core structure of an injection mold, which comprises a right mold, a left mold core and a right mold core, wherein the right mold comprises: its left surface is connected with the left side mould through the hinge rotation, and the front surface middle part of right side mould and left side mould all is equipped with the standing groove, and the equal symmetry of inner wall front end is equipped with two draw-in grooves about the standing groove, and the equal joint in inside of draw-in groove has the cardboard, and the upper surface front end of right side mould and left side mould all is equipped with half hole of moulding plastics, and the front surface four corners of right side mould and left side mould all is equipped with fixed orifices, left side mold core: set up inside left standing groove, right side mold core: set up inside the standing groove on right side, this injection mold's split type mold core structure, easy to assemble guarantees the inside leakproofness of mold core, improves the quality of shaping back product, reduces the probability that the defective products appeared, and the cooling of hot melt plastics reduces fashioned time with higher speed, improves production efficiency.

Description

Split type mold core structure of injection mold

Technical Field

The utility model relates to the technical field of injection molding, in particular to a split type mold core structure of an injection mold.

Background

An injection mold is a tool for producing plastic products; the injection molding is a processing method used for batch production of parts with complex shapes, and particularly relates to a method for injecting heated and melted plastics into a mold cavity under high pressure by an injection molding machine, and obtaining a formed product after cooling and solidification, wherein although the structure of the mold can be changed greatly due to different types and properties of the plastics, the shape and the structure of the plastics, the type of an injection machine and the like, the basic structure is consistent, the injection mold is important process equipment for producing various industrial products, and with the rapid development of the plastic industry, and the popularization and application of the plastics in the industrial departments of aviation, aerospace, electronics, machinery, ships, automobiles and the like, the requirements of the products on the mold are higher and higher, the traditional mold design method cannot adapt to the current requirements, and compared with the traditional mold design, the aided engineering (CAE) technology can not only improve the productivity, but also improve the production rate, The injection mold has great advantages in the aspects of ensuring the product quality, reducing the cost and lightening the labor intensity, various numerical control machining is available in the machining of the injection mold, the numerical control milling and machining center is most applied, the numerical control linear cutting machining and the numerical control electric spark machining are very common in the numerical control machining of the mold, the linear cutting is mainly applied to the machining of various straight-wall molds, such as concave-convex molds in the stamping process, inserts and sliding blocks in an injection mold, electrodes for the electric spark machining and the like, for mold parts with high hardness, the machining method can not be adopted for machining, the electric spark machining is mostly adopted, in addition, the electric spark machining is also adopted for sharp corners, deep cavity parts, narrow grooves and the like of mold cavities, the numerical control lathe is mainly used for machining mold rod type standard parts, and mold cavities or cores of rotary bodies, such as injection molds of bottle bodies and basins, the forging die of shaft type, disc type part, in the die machining, the application of the numerical control drilling machine can also play the role of improving the machining precision and shortening the machining cycle, the die is applied extensively, the product component shaping processing in the modern manufacturing industry, almost need to use the mould to finish, so, the mould industry is the important component of the national high and new technology industry, it is important, valuable technological resource, optimize the structural design of the mould system and CAD/CAE/CAM of the formed part, and make it trend towards the intellectualization, improve the forming processing technology of the formed part and mould standardization level, improve the manufacturing precision and quality of the mould, reduce the surface grinding of the formed part, polishing work load and manufacturing cycle; the special material which is adopted by various die-shaped parts and has high performance and easy cutting is researched and applied so as to improve the use performance of the die; in order to adapt to market diversification and new product trial production, a rapid prototype manufacturing technology and a rapid die making technology are applied to rapidly manufacture a forming stamping die, a plastic injection die or a die-casting die and the like, the development trend of the die production technology of 5-20 years in the future is required, a die core refers to a precise part used for the key operation of the central part of a die as the name suggests, the general structure of the die core is extremely complex, the processing difficulty is very large, the manufacturing cost is very high, the manual expenditure of the manufacture often greatly exceeds the material per se, the selection of the material of the die core is also directly related to the manufacturing cost of the die and the service life of the die, and the die core comprises: the mold core for production is mostly a split mold core, and a complete mold core is formed by combining a plurality of parts, but the method often causes the quality of the product to be problematic due to poor sealing property inside the mold core, and the production efficiency is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the existing defects and provides a split type mold core structure of an injection mold, which ensures the sealing property inside a mold core by using the split type mold core structure and can effectively solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: a split type mold core structure of an injection mold comprises a right mold, a left mold core and a right mold core;

and (3) a right side die: the left side surface of the injection molding machine is rotatably connected with a left side die through a hinge, the middle parts of the front surfaces of the right side die and the left side die are respectively provided with a placing groove, the front ends of the left inner wall and the right inner wall of the placing groove are respectively symmetrically provided with two clamping grooves, clamping plates are respectively clamped inside the clamping grooves, the front ends of the upper surfaces of the right side die and the left side die are respectively provided with an injection molding half hole, and four corners of the front surfaces of the right side die and the left side die are respectively provided with a fixing hole;

left side mold core: the placing groove is arranged on the left side;

and (3) right side mold core: the placing groove is arranged on the right side;

wherein: still include control switch, control switch sets up in the right side upper end of right side mould, and control switch's input electricity is connected in external power source, uses split type mold core structure, the drawing of patterns of the shaping back product of being convenient for, and is easy to assemble, has saved manpower resources, improves production efficiency, guarantees the inside leakproofness of mold core, prevents inside hot melt plastics's the entering of oozing and outside rivers, improves the quality of shaping back product, reduces the probability that the defective products appears, with higher speed hot melt plastics's cooling, reduces fashioned time, improves production efficiency.

Further, the left side mold core includes heat-resisting sealing strip, baffle, waterproof sealing strip, left side template and left side die cavity, left side template sets up between the cardboard at both ends about the left standing groove, the front surface of left side template and the front surface of left side mould are located the coplanar, the inside upper end of left side template is equipped with left side die cavity, left side die cavity is linked together through the potsherd with the half hole of moulding plastics that corresponds between, the front surface upper end of left side template is equipped with heat-resisting sealing strip respectively, baffle and waterproof sealing strip, heat-resisting sealing strip is located around the left side die cavity, the baffle is located around heat-resisting sealing strip, waterproof sealing strip is located around the baffle, constitute the mold core through the cooperation with the right side mold core.

Further, the right side mold core includes waterproof slot, baffle slot, heat-resisting slot, right side template and right side die cavity, the right side template sets up between the cardboard at both ends about the standing groove on right side, and the front surface of right side template and the front surface of right side mould lie in the coplanar, and the inside upper end of right side template is equipped with the right side die cavity, is linked together through the potsherd between the half hole of moulding plastics of right side die cavity and correspondence, and the front surface upper end of right side template is equipped with respectively with heat-resisting sealing strip, the waterproof slot of baffle and the installation of waterproof sealing strip one-to-one, baffle slot and heat-resisting slot, constitute the mold core through the cooperation with the left side mold core.

Furthermore, the lower end of the left placing groove is provided with a water outlet hole, and the upper end of the right placing groove is provided with a water inlet hole, so that the hot-melt plastic is cooled.

Further, the rear side middle part of right side mould and left side mould all is equipped with electric putter, and electric putter's flexible end front end passes the shaft hole that corresponds on right side mould and the left side mould respectively and with the laminating of right side template trailing flank and the left side template trailing flank that corresponds, and electric putter's input electricity is connected in control switch's output, increases the leakproofness of mold core.

Compared with the prior art, the utility model has the beneficial effects that: this injection mold's split type mold core structure has following benefit:

1. rotate the left side mould through the hinge, make the front surface of left side mould and the front surface laminating of right side mould, at this moment, heat-resisting sealing strip, baffle and waterproof sealing strip are installed respectively inside corresponding waterproof slot, baffle slot and heat-resisting slot, left side mold core and right side mold core make up into complete mold core, pass the fixed orifices with the bolt and make left side mould and right side mould position fixed, use split type mold core structure, the drawing of patterns of the shaping back product of being convenient for, easy to assemble has saved manpower resources, and the production efficiency is improved.

2. Start electric putter, electric putter's flexible end gives the relative effort of left side mold core and right side mold core respectively, make left side mold core and the inseparabler laminating of right side mold core, increase the leakproofness, two half pore combinations that mould plastics become complete injection molding hole, pour into the inside die cavity of mold core with hot melt plastics through the injection molding hole, heat-resisting sealing strip prevents that hot melt plastics from oozing, keep the inside leakproofness of mold core, waterproof sealing strip prevents inside rivers get into the mold core, increase the leakproofness, guarantee the inside leakproofness of mold core, prevent inside hot melt plastics oozing and the entering of outside rivers, improve the quality of shaping back product, reduce the probability that the defective products appear.

3. Inside pouring into the standing groove with outside water source through the inlet opening, rivers and the contact of the extrados of mold core absorb the heat of the inside hot melt plastics of mold core, make its cool off fast, and after the cooling was accomplished, discharge rivers from the apopore, with higher speed hot melt plastics's cooling reduces fashioned time, improves production efficiency.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the structure of the placement groove of the present invention;

fig. 3 is a schematic structural view of the electric putter of the present invention.

In the figure: 1 right side mould, 2 left side moulds, 3 hinges, 4 cardboard, 5 left side mold cores, 51 heat-resisting sealing strip, 52 baffles, 53 waterproof sealing strip, 54 left template, 55 left side die cavity, 6 right side mold cores, 61 waterproof slot, 62 baffle slots, 63 heat-resisting slots, 64 right template, 65 right side die cavity, 7 fixed orificess, 8 mould plastics half-holes, 9 draw-in grooves, 10 control switch, 11 standing groove, 12 apopore, 13 inlet openings, 14 electric putter.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a split type mold core structure of an injection mold comprises a right mold 1, a left mold core 5 and a right mold core 6;

right side mould 1: the left side of the injection mould is rotatably connected with a left side mould 2 through a hinge 3, the middle parts of the front surfaces of the right side mould 1 and the left side mould 2 are respectively provided with a placing groove 11, the front ends of the left and right inner walls of the placing groove 11 are respectively symmetrically provided with two clamping grooves 9, the clamping plates 4 are respectively clamped in the clamping grooves 9, so that the positions of the mould cores are fixed, and the mould cores are prevented from moving in the injection molding process, the front ends of the upper surfaces of the right side mould 1 and the left side mould 2 are respectively provided with an injection half hole 8, four corners of the front surfaces of the right side mould 1 and the left side mould 2 are respectively provided with a fixing hole 7, bolts pass through the fixing holes 7 to fix the positions of the left side mould 2 and the right side mould 1, the lower end of the left side placing groove 11 is provided with a water outlet 12, the upper end of the right side placing groove 11 is provided with a water inlet 13, an external water source is injected into the placing groove 11 through the water inlet 13, water flow is contacted with the outer cambered surface of the mould cores to absorb the heat of the hot-melt plastics in the mould cores, the mold is rapidly cooled, the electric push rods 14 are arranged in the middle of the rear side faces of the right side mold 1 and the left side mold 2, the front ends of the telescopic ends of the electric push rods 14 penetrate through corresponding shaft holes in the right side mold 1 and the left side mold 2 respectively and are attached to the rear side faces of the corresponding right template 64 and the left template 54, the input ends of the electric push rods 14 are electrically connected to the output end of the control switch 10, the electric push rods 14 are started, the telescopic ends of the electric push rods 14 respectively give opposite acting forces to the left side mold core 5 and the right side mold core 6, so that the left side mold core 5 and the right side mold core 6 are attached more tightly, and the sealing performance is improved;

left mold core 5: the left mold core 5 comprises a heat-resistant sealing strip 51, a partition plate 52, a waterproof sealing strip 53, a left mold plate 54 and a left mold cavity 55, the left mold plate 54 is arranged between the clamping plates 4 at the left end and the right end of the left placing groove 11, the front surface of the left mold plate 54 and the front surface of the left mold 2 are positioned in the same plane, the left mold cavity 55 is arranged at the upper end of the inside of the left mold plate 54, the left mold cavity 55 is communicated with the corresponding injection molding half-hole 8 through a ceramic sheet, the heat-resistant sealing strip 51, the partition plate 52 and the waterproof sealing strip 53 are respectively arranged at the upper end of the front surface of the left mold plate 54, the heat-resistant sealing strip 51 is positioned around the left mold cavity 55, the partition plate 52 is positioned around the heat-resistant sealing strip 51, the heat-resistant sealing strip 51 prevents hot-melt plastics from seeping out, the sealing performance inside the mold core is kept, and the waterproof sealing strip 53 prevents water from entering the inside of the mold core, the sealing performance is increased;

and (6) right side mold core: the right mold core 6 comprises a waterproof slot 61, a partition board slot 62, a heat-resisting slot 63, a right mold plate 64 and a right mold slot 65, the right mold plate 64 is arranged between the clamping plates 4 at the left end and the right end of the right placing groove 11 on the right side, the front surface of the right mold plate 64 and the front surface of the right mold 1 are positioned in the same plane, the right mold slot 65 is arranged at the upper end inside the right mold plate 64, the right mold slot 65 is communicated with the corresponding injection molding half hole 8 through a ceramic sheet, the upper end of the front surface of the right mold plate 64 is respectively provided with the waterproof slot 61, the partition board slot 62 and the heat-resisting slot 63 which are arranged in one-to-one correspondence with the heat-resisting sealing strip 51, the partition board 52 and the waterproof sealing strip 53, and the mold core is formed by being matched with the left mold core 5;

wherein: the mould further comprises a control switch 10, the control switch 10 is arranged at the upper end of the right side face of the right side mould 1, and the input end of the control switch 10 is electrically connected with an external power supply to control the starting and stopping of the electric push rod 14.

When in use: the left side mould 2 is rotated through the hinge 3, the front surface of the left side mould 2 is jointed with the front surface of the right side mould 1, at the moment, the heat-resistant sealing strip 51, the partition plate 52 and the water-resistant sealing strip 53 are respectively arranged inside the corresponding waterproof slot 61, the partition plate slot 62 and the heat-resistant slot 63, the left side mould core 5 and the right side mould core 6 are combined into a complete mould core, bolts penetrate through the fixing holes 7 to fix the positions of the left side mould 2 and the right side mould 1, the electric push rod 14 is started through the control switch 10, the telescopic end of the electric push rod 14 respectively provides opposite acting forces for the left side mould core 5 and the right side mould core 6, the left side mould core 5 and the right side mould core 6 are more tightly jointed, the sealing performance is increased, the two injection molding half holes 8 are combined into a complete injection molding hole, hot-melt plastics are injected into a mould groove inside the mould core through the injection hole, the heat-resistant sealing strip 51 prevents the hot-melt plastics from seeping out, the sealing performance inside the mould core is maintained, pour into the standing groove 11 with outside water source through inlet opening 13 inside, rivers contact with the extrados of mold core, absorb the heat of the inside hot melt plastics of mold core, make its quick cooling, water proof seal strip 53 prevents inside rivers get into the mold core, increase the leakproofness, after the cooling is accomplished, discharge rivers from apopore 12, start electric putter 14, electric putter 14's flexible end resets, take off the bolt, rotate left side mould 2, take out the product after the shaping, wait for next time to mould plastics.

It should be noted that the electric putter 14 disclosed in the present embodiment may be an electric putter of model DT of wuyang electric putter machinery factory, wuyang, wushu, and the control switch 10 controls the electric putter 14 to operate by a method commonly used in the art.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (5)

1. The utility model provides an injection mold's split type mold core structure which characterized in that: comprises a right side die (1), a left side die core (5) and a right side die core (6);

right side mold (1): the left side surface of the mould is rotatably connected with a left side mould (2) through a hinge (3), the middle parts of the front surfaces of the right side mould (1) and the left side mould (2) are respectively provided with a placing groove (11), the front ends of the left inner wall and the right inner wall of the placing groove (11) are respectively and symmetrically provided with two clamping grooves (9), clamping plates (4) are respectively clamped in the clamping grooves (9), the front ends of the upper surfaces of the right side mould (1) and the left side mould (2) are respectively provided with an injection half hole (8), and four corners of the front surfaces of the right side mould (1) and the left side mould (2) are respectively provided with a fixing hole (7);

left side mold core (5): a placement groove (11) arranged on the left side;

right side mold core (6): is arranged inside the right placing groove (11);

wherein: the mould is characterized by further comprising a control switch (10), wherein the control switch (10) is arranged at the upper end of the right side face of the right side mould (1), and the input end of the control switch (10) is electrically connected with an external power supply.

2. The split mold core structure of the injection mold according to claim 1, wherein: the left mold core (5) comprises a heat-resistant sealing strip (51), a partition plate (52), a waterproof sealing strip (53), a left mold plate (54) and a left mold cavity (55), the utility model discloses a mould, including left side template (54), left side template (54) and corresponding half hole (8) of moulding plastics, the left side template (54) sets up between cardboard (4) at both ends about left standing groove (11), the front surface of left side template (54) and the front surface of left side mould (2) are located the coplanar, the inside upper end of left side template (54) is equipped with left side die cavity (55), be linked together through the ceramic wafer between left side die cavity (55) and the half hole (8) of corresponding moulding plastics, the front surface upper end of left side template (54) is equipped with heat-resisting sealing strip (51) respectively, baffle (52) and waterproof sealing strip (53), heat-resisting sealing strip (51) are located around left side die cavity (55), baffle (52) are located around heat-resisting sealing strip (51), waterproof sealing strip (53) are located around baffle (52).

3. The split mold core structure of the injection mold according to claim 2, wherein: right side mold core (6) are including waterproof slot (61), baffle slot (62), heat-resisting slot (63), right side template (64) and right side die cavity (65), right side template (64) set up between cardboard (4) at both ends about standing groove (11) on right side, the front surface of right side template (64) and the front surface of right side mould (1) are located the coplanar, the inside upper end of right side template (64) is equipped with right side die cavity (65), be linked together through the potsherd between right side die cavity (65) and the half hole (8) of moulding plastics that correspond, the front surface upper end of right side template (64) be equipped with respectively with heat-resisting sealing strip (51), waterproof slot (61), baffle slot (62) and heat-resisting slot (63) of baffle (52) and waterproof sealing strip (53) one-to-one installation.

4. The split mold core structure of the injection mold according to claim 1, wherein: the lower end of the left placing groove (11) is provided with a water outlet hole (12), and the upper end of the right placing groove (11) is provided with a water inlet hole (13).

5. The split mold core structure of the injection mold according to claim 1, wherein: the rear side face middle part of right side mould (1) and left side mould (2) all is equipped with electric putter (14), and the flexible end front end of electric putter (14) passes the shaft hole that corresponds on right side mould (1) and left side mould (2) respectively and laminates with right template (64) trailing flank and left template (54) trailing flank that correspond, and the input electricity of electric putter (14) is connected in the output of control switch (10).

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