CN210910987U

CN210910987U - Mould for in-mould injection

Info

Publication number: CN210910987U
Application number: CN201921994409.4U
Authority: CN
Inventors: 陈先道
Original assignee: Ningbo Yongdao Membrane Switch Co ltd
Current assignee: Ningbo Yongdao Membrane Switch Co ltd
Priority date: 2019-11-19
Filing date: 2019-11-19
Publication date: 2020-07-03
Anticipated expiration: 2029-11-19

Abstract

The utility model discloses an mould for injection molding in mould relates to injection mold technical field, and concretely a mould for injection molding in mould, including last mold base plate and lower mold base plate, the bottom of going up mold base plate is provided with the upper die core fixed plate, and goes up the inside four corners of mold core fixed plate and all fix the cover and be equipped with the sleeve, the equal fixed mounting in both sides at lower mold base plate top has the division board. This mould for in-mould injection moulding, inside through at the lower mould core fixed plate sets up the cooling tube, the convenient velocity of flow to the in-process temperature of moulding plastics and coolant liquid controls, be convenient for cool off the cooling product that solidifies in the cavity inside treating of moulding plastics to pouring into, the effectual paster of having avoided is when taking shape, because of the higher problem that leads to its quality of temperature, it is stable and not receive the damage to have guaranteed the PET paster, utilize sleeve and stand to be convenient for fix a position this mould simultaneously, the convenient compound die that carries out accuracy with it, the efficiency of its processing has been guaranteed.

Description

Mould for in-mould injection

Technical Field

The utility model relates to an injection mold technical field specifically is a mould for mould internal injection.

Background

The mould is various moulds 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. In short, a mold is a tool for manufacturing molded articles, the tool is composed of various parts, different molds are composed of different parts, and in-mold injection molding, a printed PET patch is softened at high temperature, softened and attracted in a specific mold to form a required shape, and is placed in an injection mold for injection molding after trimming by a trimming mold, so that the mold has the advantages of attractive appearance, good waterproof performance, long service life and the like.

SUMMERY OF THE UTILITY MODEL

The utility model provides a mould for injection moulding in mould has solved the problem that above-mentioned background art provided.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: a mold for in-mold injection comprises an upper mold base plate and a lower mold base plate, wherein an upper mold core fixing plate is arranged at the bottom of the upper mold base plate, sleeves are fixedly sleeved at four corners inside the upper mold core fixing plate, partition plates are fixedly installed at two sides of the top of the lower mold base plate, an ejector plate located between the two partition plates is arranged at the top of the lower mold base plate, springs are uniformly distributed at the top of the ejector plate, a lower mold core fixing plate is arranged at the top of the two partition plates, an injection molding cavity is arranged inside the lower mold core fixing plate, an injection molding nozzle is arranged at the top of the upper mold base plate and extends to the inner cavity formed by the lower mold core fixing plate and the upper mold core fixing plate, stand columns are fixedly sleeved at four corners at the top of the lower mold core fixing plate, four corners at the top and the bottom of the partition plates and four corners at the bottom of the upper mold, one side of the lower mold core fixing plate is provided with a cooling water inlet, the other side of the lower mold core fixing plate is provided with a water outlet, and a cooling pipe is arranged inside the lower mold core fixing plate.

Optionally, the side of lower mould bottom plate, lower mould core fixed plate and last mould core fixed plate has all seted up the dismouting hole, the inside in dismouting hole is provided with the screw thread, and the inside in dismouting hole can be screwed into hoisting bolt.

Optionally, the injection molding nozzle is composed of a nozzle and a nozzle disc, the nozzle disc is fixed on the upper die bottom plate through bolts, and a groove is formed in the joint of the nozzle and the nozzle disc.

Optionally, the ejector pin is installed at the top of the ejector pin plate, and the ejector pin is reset through a spring.

Optionally, the diameter value of the upright column is matched with the inner diameter value of the sleeve, and the outer portion of the upright column is movably connected with the inner portion of the sleeve.

The utility model discloses possess following beneficial effect:

1. this mould for in-mould injection moulding, inside through at the lower mould core fixed plate sets up the cooling tube, the convenient velocity of flow to the in-process temperature of moulding plastics and coolant liquid controls, be convenient for cool off the cooling product that solidifies in the cavity inside treating of moulding plastics to pouring into, the effectual paster of having avoided is when taking shape, because of the higher problem that leads to its quality of temperature, it is stable and not receive the damage to have guaranteed the PET paster, utilize sleeve and stand to be convenient for fix a position this mould simultaneously, the convenient compound die that carries out accuracy with it, the efficiency of its processing has been guaranteed.

2. This mould for moulding plastics in mould through utilizing division angle that sets up on division board, lower mould core fixed plate and the last mould core fixed plate, can avoid conveniently carrying out the dismouting maintenance to it because of the influence of right angle to the mould roughness, beats the damage in avoiding the dismouting, and material mouth dish pass through groove positioning simultaneously, prevent that the material mouth from rotating, avoid its quality of influence moulding plastics.

Drawings

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

fig. 2 is a schematic diagram of the explosion structure of the present invention;

FIG. 3 is a schematic structural view of the injection molding nozzle of the present invention;

FIG. 4 is a schematic structural view of the injection molding cavity of the present invention;

fig. 5 is a schematic structural view of the injection molding cavity of the present invention.

In the figure: 1. an upper die base plate; 2. a lower die base plate; 3. a separator plate; 4. an ejector plate; 5. a spring; 6. a lower die core fixing plate; 7. an upper die core fixing plate; 8. disassembling the angle; 9. disassembling and assembling holes; 10. a cooling tube; 11. cooling the water inlet; 12. injecting a material nozzle; 13. a sleeve; 14. a column; 15. and (5) injection molding of the cavity.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1 to 5, the present invention provides a technical solution: the mold for in-mold injection comprises an upper mold base plate 1 and a lower mold base plate 2, wherein an upper mold core fixing plate 7 is arranged at the bottom of the upper mold base plate 1, sleeves 13 are fixedly sleeved at four corners inside the upper mold core fixing plate 7, partition plates 3 are fixedly installed at two sides of the top of the lower mold base plate 2, an ejector plate 4 located between the two partition plates 3 is arranged at the top of the lower mold base plate 2, springs 5 are uniformly distributed at the top of the ejector plate 4, lower mold core fixing plates 6 are arranged at the tops of the two partition plates 3, an injection molding cavity 15 is arranged inside the lower mold core fixing plate 6, an injection molding nozzle 12 is arranged at the top of the upper mold base plate 1 and extends to the inner cavity formed by the lower mold core fixing plate 6 and the upper mold core fixing plate 7, stand columns 14 are fixedly sleeved at four corners at the top of the lower mold core fixing, The four corners of lower die core fixed plate 6 top and bottom and the four corners of going up die core fixed plate 7 bottom all are provided with the split angle 8, can avoid the influence because of the right angle to the mould roughness, it is maintained to conveniently carry out the dismouting, beat the damage in avoiding the dismouting, one side of lower die core fixed plate 6 is provided with cooling water inlet 11 its opposite side and is provided with the delivery port, and the inside of lower die core fixed plate 6 is provided with cooling tube 10, the convenient flow rate to the in-process temperature of moulding plastics and coolant liquid is controlled, be convenient for cool off the injection into at the inside cooling product that treats solidification of cavity 15 that moulds plastics.

Wherein, dismouting hole 9 has all been seted up to the side of lower mould bottom plate 2, lower mould core fixed plate 6 and last mould core fixed plate 7, and the inside in dismouting hole 9 is provided with the screw thread, and the hoist and mount bolt can be gone into to the inside of dismouting hole 9, is convenient for to the balanced dismouting of this mould, and damage mould differs, is favorable to depositing of mould board simultaneously, and the mould hoists.

Wherein, the material mouth 12 of moulding plastics comprises material mouth and material mouth dish, and the material mouth dish passes through the bolt fastening on last mould bottom plate 1 to the junction of material mouth and material mouth dish is provided with the recess, and the junction of material mouth and material mouth dish has two flanges and material mouth dish recess to cooperate, has avoided the rotation at the in-process material mouth of moulding plastics, influences the quality of moulding plastics then.

The ejector pins are installed at the top of the ejector pin plate 4 and reset through the springs 5, and the ejector pins on the ejector pin plate 4 are used for completing resetting through the springs 5 after being moved upwards to eject a product.

Wherein, the diameter value of stand 14 and the internal diameter value adaptation of sleeve 13, and the outside of stand 14 and the inside swing joint of sleeve 13 use through the cooperation of sleeve 13 and stand 14, can accurately accomplish the compound die.

In summary, when the mold for in-mold injection is used, firstly, a molten material is injected into the mold through the injection nozzle 12, then, a cooling liquid is injected into the pipe through the cooling inlet 11, the cooling liquid flows through the cooling pipe 10 to cool the injection cavity 15 on the lower mold core fixing plate 6, and after the inside of the mold is formed, the upper mold core fixing plate 7 is lifted upwards and is ejected by the ejector plate 4 and the spring 5.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "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 simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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 invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an mould for mould internal injection, includes last bottom plate (1) and lower bottom plate (2), its characterized in that: the bottom of the upper die base plate (1) is provided with an upper die core fixing plate (7), four corners inside the upper die core fixing plate (7) are fixedly sleeved with sleeves (13), two sides of the top of the lower die base plate (2) are fixedly provided with isolation plates (3), the top of the lower die base plate (2) is provided with an ejector plate (4) positioned between the two isolation plates (3), springs (5) are uniformly distributed at the top of the ejector plate (4), the top of the two isolation plates (3) is provided with a lower die core fixing plate (6), an injection molding cavity (15) is arranged inside the lower die core fixing plate (6), the top of the upper die base plate (1) is provided with an injection molding material nozzle (12), the injection molding material nozzle (12) extends to an inner cavity formed by the lower die core fixing plate (6) and the upper die core fixing plate (7), four corners of the top of the lower die core fixing plate (6) are fixedly sleeved with columns, four corners at the top of the isolation plate (3), four corners at the top and the bottom of the lower mold core fixing plate (6) and four corners at the bottom of the upper mold core fixing plate (7) are all provided with a splitting angle (8), one side of the lower mold core fixing plate (6) is provided with a cooling water inlet (11), the other side of the lower mold core fixing plate is provided with a water outlet, and the inside of the lower mold core fixing plate (6) is provided with a cooling pipe (10).

2. The mold for in-mold injection according to claim 1, characterized in that: dismounting holes (9) are formed in the side faces of the lower die bottom plate (2), the lower die core fixing plate (6) and the upper die core fixing plate (7), threads are arranged inside the dismounting holes (9), and the inside of the dismounting holes (9) can be screwed into hoisting bolts.

3. The mold for in-mold injection according to claim 1, characterized in that: the injection molding material nozzle (12) is composed of a material nozzle and a material nozzle disc, the material nozzle disc is fixed on the upper mold bottom plate (1) through bolts, and a groove is formed in the joint of the material nozzle and the material nozzle disc.

4. The mold for in-mold injection according to claim 1, characterized in that: and the top of the ejector plate (4) is provided with an ejector pin, and the ejector pin is reset through a spring (5).

5. The mold for in-mold injection according to claim 1, characterized in that: the diameter value of the upright post (14) is matched with the inner diameter value of the sleeve (13), and the outer part of the upright post (14) is movably connected with the inner part of the sleeve (13).