CN212603002U - But injection mold of quick replacement mould benevolence - Google Patents

Abstract

The utility model relates to the technical field of dies, in particular to an injection die capable of quickly replacing a die core, which comprises a lower die seat, wherein the top of the lower die seat is connected with a lower template through a bolt, a positioning hole is arranged inside the lower die seat, a positioning pin is inserted into the inner wall of the positioning hole, the top of the lower template is provided with a material returning mechanism, the top of the lower die seat is welded with a guide pillar, the surface of the guide pillar is connected with a guide sleeve in a sliding way, the top of the guide sleeve is welded with an upper die seat, the utility model provides an injection die capable of quickly replacing the die core, the upper die seat is separated from the lower die seat, a fixed disk is firstly taken down by anticlockwise rotation, a lower die core is taken down for replacement, then the fixed disk is clamped into a material returning plate by clockwise rotation, the bolts of the upper die core are all disassembled for replacement, and, the die core is fixed by bolts, so that the aim of quickly replacing the die core is fulfilled.

Description

But injection mold of quick replacement mould benevolence

Technical Field

The utility model relates to the technical field of mold, specifically be an injection mold of quick replacement mould benevolence.

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. The injection mold is divided into a thermosetting plastic mold and a thermoplastic plastic mold according to the molding characteristics; the molding process includes transfer molding, blow molding, cast molding, thermoforming, hot pressing (compression molding), injection molding, etc.

Most but the injection mold of quick replacement mould benevolence in existing market can't the material returned by oneself, need the manual work to return the material, extravagant manpower, and dangerous, positioner is too loaded down with trivial details, inconvenient installation, and mould benevolence is changed complicacy, can't be convenient change mould benevolence.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a but injection mold of quick replacement mould benevolence to solve the problem that provides among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides an injection mold of quick replacement mould benevolence, includes the die holder, there is the lower bolster at the top of die holder through bolted connection, the locating hole has been seted up No. one to the inside of die holder, the inner wall of locating hole is pegged graft and is had the locating pin No. one, there is the locating piece at the top of lower bolster through bolted connection, the top of lower bolster is provided with material returned mechanism, the top welding of die holder has the guide pillar, the sliding surface of guide pillar has the guide pin bushing, the top welding of guide pin bushing has the upper die base.

Preferably, a feeding hole is formed in the upper die base, a second positioning pin is inserted into the inner wall of the second positioning hole, the bottom of the upper die base is connected with an upper die plate through a bolt, the bottom of the upper die base is connected with a second positioning block through a bolt, and the bottom of the upper die plate is connected with an upper die core through a bolt.

Preferably, the material returning mechanism comprises a material returning plate, a clamping groove is formed in the top of the material returning plate, a material returning spring is connected to the inside of the material returning plate in a sliding mode, a fixed disc is clamped to the top of the material returning plate, and a clamping strip is welded to the bottom of the fixed disc.

Preferably, the number of the clamping strips and the number of the clamping grooves are five, and the five clamping strips and the five clamping grooves are distributed in a circular array by taking the central line of the stripper plate as a symmetrical point.

Preferably, the inside sliding connection of material returned board has the base, and the base is located material returned spring's top, the top welding of base has lower mould benevolence.

Preferably, the rear parts and the right sides of the upper template and the lower template are fixedly installed through the surfaces of a second positioning pin and a first positioning pin, and the rear parts and the right sides of the upper die core and the stripper plate are fixedly installed through the inner walls of a second positioning block and a first positioning block.

Compared with the prior art, the beneficial effects of the utility model are that:

1. this but injection mold of quick replacement mould benevolence, when needing to change mould benevolence, with upper die base and die holder separation, take off the fixed disk anticlockwise rotation earlier, can dismantle the lower mould benevolence and change, change the back again with the clockwise rotation card of fixed disk in the material returned board, the bolt that goes up mould benevolence is whole to be demolishd and to be changed, will go up two faces that mould benevolence posted No. two locating pieces after having changed, reuse bolt is fixed, thereby reached the convenient and fast's of change mould benevolence mesh, when the during operation, because the material returned spring is in compression state in the forming process always, after the forming is good, upper and lower die base can slowly separate, the material returned spring can promote the lower mould benevolence and slowly reset, the lower mould benevolence can carry out the material returned with the good product of shaping is automatic, thereby need not to carry out the material returned manually.

2. This but injection mold of quick replacement mould benevolence, when the mould is installed, inject two locating pins into two locating holes No. one earlier, hug closely the surface of two locating pins with two faces of lower bolster again and fix, fix the locating piece No. one on the lower bolster again, hug closely two faces of a locating piece with the material returning plate and install, it is so installation also to go up the mould, locating pin and locating hole are all only fixed a position from two faces, thereby the quantity of the locating pin and the locating piece that reduce, turn into the prosperous and simple, the input of cost has been reduced.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is an overall structure front view of the present invention;

fig. 3 is a schematic view of the fixing disc of the present invention;

fig. 4 is a schematic view of the material returning plate of the present invention;

in the figure: 1. a lower die holder; 2. a lower template; 3. a material returning mechanism; 4. a lower die core; 5. an upper die core; 6. mounting a template; 7. A first positioning pin; 8. a first positioning hole; 9. an upper die holder; 10. a guide post; 11. a first positioning block; 12. a second positioning block; 13. a guide sleeve; 14. a second positioning pin; 15. a second positioning hole; 16. a feed port; 17. a base; 31. a material returning plate; 32. fixing the disc; 33. a material returning spring; 34. clamping the strip; 35. a clamping groove.

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.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", 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 to simplify the description, but do not indicate or imply that the device or element 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.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

Example 1

The utility model provides an injection mold of quick replacement mould benevolence, as shown in fig. 1-4, including die holder 1, there is lower bolster 2 at the top of die holder 1 through bolted connection, No. 8 locating holes have been seted up to the inside of die holder 1, No. 8 locating pins 7 have been pegged graft to the inner wall of locating hole, there is locating piece 11 at the top of lower bolster 2 through bolted connection, the top of lower bolster 2 is provided with material returned mechanism 3, the top welding of die holder 1 has guide pillar 10, the sliding surface connection of guide pillar 10 has guide pin bushing 13, the top welding of guide pin bushing 13 has upper die base 9, the purpose of four guide pillars 10 and guide pin bushing 13 has greatly increased the mould stability at the during operation, the guidance quality has also been increased.

In this embodiment, a feed port 16 has been seted up to the inside of upper die base 9, No. two locating holes 15 have been seted up to the inside of upper die base 9, No. two locating pins 14 have been pegged graft to the inner wall of No. two locating holes 15, there is cope match-plate pattern 6 bottom of upper die base 9 through bolted connection, there is No. two locating pieces 12 bottom of upper die base 9 through bolted connection, there is last mould benevolence 5 bottom of cope match-plate pattern 6 through bolted connection, the purpose is the quantity of locating pin and the locating piece that reduce, it is complicated to change into simple, practice.

In addition, material returned mechanism 3 has been seted up draw-in groove 35 including material returned plate 31, material returned plate 31's top, and material returned plate 31's inside sliding connection has material returned spring 33, and material returned plate 31's top joint has fixed disk 32, and the bottom welding of fixed disk 32 has card strip 34, and the purpose need not manually to carry out the material returned, has saved the manpower greatly, has saved the financial resources.

In addition, the quantity of card strip 34 and draw-in groove 35 all is provided with five, and five card strips 34 and draw-in groove 35 all use the central line of material returned plate 31 to distribute as the circular array of symmetry point, and the purpose only needs clockwise and anticlockwise rotation can install and dismantle, has made things convenient for the workman to change mould benevolence greatly.

It is worth explaining that, when the mold core is replaced, the upper mold base 9 is separated from the lower mold base 1, the fixed disk 32 is firstly rotated anticlockwise and taken down, the lower mold core 4 can be detached and replaced, the fixed disk 32 is then rotated clockwise and clamped into the material returning plate 31 after being replaced, all the bolts of the upper mold core 5 are detached and replaced, the upper mold core 5 is attached to two surfaces of the second positioning block 12 after being replaced and then fixed by the bolts, and therefore the purpose of replacing the mold core conveniently and quickly is achieved.

Example 2

As shown in fig. 2-4, the material returning plate 31 is slidably connected to the base 17, the base 17 is located above the material returning spring 33, and the lower mold core 4 is welded to the top of the base 17, so as to facilitate the self-returning of the lower mold core 4 without manual returning.

In this embodiment, the rear portion and the right side of cope match-plate pattern 6 and lower bolster 2 are all through the fixed surface installation of No. two locating pins 14 and locating pin 7, go up the inner wall fixed mounting that mould benevolence 5 and material returning plate 31's rear portion and right side are all through No. two locating pieces 12 and a locating piece 11, and the purpose is installed through locating pin and locating piece, can make the reduction installation error as far as possible after its installation.

The utility model discloses an injection mold of quick replacement mould benevolence when using, when the mould is installed, inject two locating pins 7 into two locating holes 8 earlier, hug closely two surfaces of lower bolster 2 again and fix two surfaces of locating pin 7, fix locating piece 11 on lower bolster 2 again, hug closely two surfaces of locating piece 11 with material return plate 31 and install, it is so installed to go up the mould, locating pin and locating hole are all fixed a position from two surfaces, thereby the quantity of the locating pin and the locating piece of reduction, change numerous and diverse into simple, the input of cost has been reduced.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (5)

1. The utility model provides an injection mold of but quick replacement mould benevolence, includes die holder (1), its characterized in that: the die comprises a lower die base (1), a lower die plate (2) and a positioning block (11), wherein the top of the lower die base (1) is connected with the lower die plate (2) through a bolt, a first positioning hole (8) is formed in the lower die base (1), a first positioning pin (7) is inserted into the inner wall of the first positioning hole (8), the top of the lower die plate (2) is connected with the first positioning block (11) through a bolt, a material returning mechanism (3) is arranged at the top of the lower die plate (2), a guide pillar (10) is welded at the top of the lower die base (1), a guide sleeve (13) is connected to the surface of the guide pillar (10) in a;

the material returning mechanism (3) comprises a material returning plate (31), a clamping groove (35) is formed in the top of the material returning plate (31), a material returning spring (33) is connected to the inside of the material returning plate (31) in a sliding mode, a fixed plate (32) is clamped to the top of the material returning plate (31), and a clamping strip (34) is welded to the bottom of the fixed plate (32).

2. The injection mold capable of rapidly replacing the mold core according to claim 1, wherein: the die comprises an upper die base (9), a feeding hole (16) is formed in the upper die base (9), a second positioning hole (15) is formed in the upper die base (9), a second positioning pin (14) is inserted into the inner wall of the second positioning hole (15), the bottom of the upper die base (9) is connected with an upper die plate (6) through a bolt, the bottom of the upper die base (9) is connected with a second positioning block (12) through a bolt, and the bottom of the upper die plate (6) is connected with an upper die core (5) through a bolt.

3. The injection mold capable of rapidly replacing the mold core according to claim 1, wherein: the number of the clamping strips (34) and the number of the clamping grooves (35) are five, and the five clamping strips (34) and the five clamping grooves (35) are distributed in a circular array by taking the center line of the stripper plate (31) as a symmetrical point.

4. The injection mold capable of rapidly replacing the mold core according to claim 1, wherein: the inside sliding connection of material returned board (31) has base (17), and base (17) are located the top of material returned spring (33), the top welding of base (17) has lower mould benevolence (4).

5. The injection mold capable of rapidly replacing the mold core according to claim 2, wherein: the upper die plate (6) and the rear part and the right side of the lower die plate (2) are fixedly installed through the surfaces of a second positioning pin (14) and a first positioning pin (7), and the upper die core (5) and the rear part and the right side of the stripper plate (31) are fixedly installed through the inner walls of a second positioning block (12) and a first positioning block (11).

Images