CN214239289U

CN214239289U - Oblique ejection demoulding structure of injection mould

Info

Publication number: CN214239289U
Application number: CN202023053284.0U
Authority: CN
Inventors: 陈挺
Original assignee: Chongqing Ruize Plastic Products Co ltd
Current assignee: Chongqing Ruize Plastic Products Co ltd
Priority date: 2020-12-17
Filing date: 2020-12-17
Publication date: 2021-09-21
Anticipated expiration: 2030-12-17

Abstract

The utility model discloses an injection mold pushes up demoulding structure to one side, including the fixed die plate, there is the movable mould board fixed die plate up end both sides through pull rod sliding connection, terminal surface right side fixedly connected with briquetting under the movable mould board, terminal surface middle part is provided with the mould storehouse under the movable mould board, sliding connection has the oblique top in the spout, terminal surface middle part fixedly connected with telescopic link under the fixed die plate inner chamber, telescopic link upper end fixedly connected with lifter plate, lifter plate up end left side fixedly connected with lug, piston inner chamber sliding connection has the thimble, lifter plate up end left side fixedly connected with ejector pin, the upper right side of fixed die plate inner chamber is provided with the extrusion molding storehouse, the terminal surface passes through draw-in groove fixedly connected with plastic extruding device under the extrusion molding storehouse inner chamber, the utility model relates to a mould pushes up drawing of patterns technical field to one side. This injection mold pushes up demoulding structure to one side has solved the easy emergence of mould and has damaged in the drawing of patterns of pushing up to one side, can't accomplish the drawing of patterns smoothly to and caused the extravagant problem of unnecessary energy.

Description

Oblique ejection demoulding structure of injection mould

Technical Field

The utility model relates to a mould pushes up drawing of patterns technical field to one side specifically is an injection mold pushes up demoulding structure to one side.

Background

At present, some injection moulding products have buckle hole or buckle groove because of the meeting design some of assembly needs, and the demolding direction in these buckle hole or buckle groove is inconsistent with injection moulding product's demolding direction, glues the shaping of position to this type of hole (groove), can all utilize side axle core structures such as oblique top, oblique top to realize usually, glues the position in the less buckle hole of demolding stroke, adopts oblique top structure to demold more.

However, in the existing demoulding structure, when the fixed mould plate and the movable mould plate are combined, the mould plate is easily damaged due to overlarge thrust, and some injection products are provided with clamping holes or clamping grooves due to assembly requirements, so that the traditional demoulding structure cannot smoothly demould the injection products, and the traditional demoulding structure adopts pumping during injection, thereby causing unnecessary energy waste and being not in accordance with the energy-saving and environment-friendly concept of the modern society.

Disclosure of Invention

Technical problem to be solved

Not enough to prior art, the utility model provides an injection mold pushes up demoulding structure to one side has solved the mould and has pushed up the easy emergence of mould in the drawing of patterns to one side and damage, can't accomplish the drawing of patterns smoothly to and caused the extravagant problem of the unnecessary energy.

(II) technical scheme

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: an inclined ejection demoulding structure of an injection mould comprises a fixed mould plate, wherein both sides of the upper end surface of the fixed mould plate are slidably connected with a movable mould plate through pull rods, the right side of the lower end surface of the movable mould plate is fixedly connected with a pressing block, the middle part of the lower end surface of the movable mould plate is provided with a mould bin, the middle part of the upper end surface of the fixed mould plate is provided with a sliding chute, the right side of the upper end surface of the fixed mould plate is provided with an extrusion opening, the sliding chute is slidably connected with an inclined ejection, the middle part of the lower end surface of the inner cavity of the fixed mould plate is fixedly connected with a telescopic rod, the upper end of the telescopic rod is fixedly connected with a lifting plate, the left side of the upper end surface of the lifting plate is fixedly connected with a lug, the middle part of the inner cavity of the lug is fixedly connected with the inclined ejection through an inclined ejection rod, the middle part of the upper end surface of the lifting plate is fixedly connected with a piston, the inner cavity of the lifting plate is provided with an ejection moulding bin, the terminal surface passes through draw-in groove fixedly connected with plastic extruder under the extrusion molding storehouse inner chamber.

Preferably, the upper part of the right side wall of the inclined top is provided with a groove, and the specification and the size of the inclined top are completely consistent with those of the sliding groove.

Preferably, two sides of the lower end face of the lifting plate are fixedly connected with the lower end face of the inner cavity of the fixed die plate through springs.

Preferably, the upper end face of the lifting plate is located on the left side of the ejector rod and is fixedly connected with an air pump, the output end of the air pump is communicated with the inner cavity of the ejector rod, and the right side wall of the upper end of the air pump is provided with an air hole which is obliquely arranged in a mode that the outer part is high and the inner part is low.

Preferably, the briquette passes through the extrusion opening to contact the right end of the extruder.

Preferably, extrusion molding storehouse right side wall upper portion fixedly connected with mouth of moulding plastics, the side wall rotates on the mouth of moulding plastics and is connected with the valve of moulding plastics, the mouth of moulding plastics communicates with the extruder inner chamber.

(III) advantageous effects

The utility model provides an injection mold pushes up demoulding structure to one side. The method has the following beneficial effects:

(1) this injection mold pushes up demoulding structure to one side, through the setting of slot, can be with the mould and the movable mould board separation after the completion, then upwards stretch out through the telescopic link, drive lifter plate rebound to make oblique ejector pin drive to push up at the spout rebound, thimble in the piston also can synchronous rebound simultaneously, thereby the mould drops from pushing up to one side smoothly. Through being provided with the spring in lifter plate lower extreme face both sides, when the movable mould board extrudeed to the fixed die plate, the spring can give an ascending cushion force of lifter plate to give the movable mould board through ejector pin, thimble, oblique top specially, thereby slowed down the collision between movable mould board and the fixed die plate, improved the life of device from this. Through adopting the air pump to and the gas pocket that the slant of low in outer height set up, after the mould was ejecting, can jet-propelled through the pressurization for the mould is more effectual drops, has improved the drawing of patterns efficiency of device.

(2) This injection mold pushes up demoulding structure to one side through setting up briquetting and extrusion mouth, when the movable mould board combines to the fixed die board extrusion, the briquetting can pass the extrusion mouth and extrude the extrusion molding device to make in the material in the extrusion molding device is poured into the mould storehouse, from this reasonable utilization the interact power between movable mould board and the fixed die board, simplified the step of moulding plastics, also saved the consumption of the energy, reduced manufacturing cost. Through setting up the setting of the mouth of moulding plastics, can be very convenient inject the material into the extruder in, then the use of the valve of moulding plastics in the cooperation for the material of extruder can not outwards the seepage, thereby has improved the practicality of device.

Drawings

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

FIG. 2 is a schematic view of a half-section structure of the present invention;

FIG. 3 is a schematic view of the partial cross-sectional structure of the present invention;

fig. 4 is an enlarged schematic view of the area a in fig. 3 according to the present invention.

In the figure: the plastic extruding machine comprises a fixed template 1, a pull rod 2, a movable template 3, a pressing block 4, a push rod 5, an extruding opening 6, a sliding groove 7, a thimble 8, a groove 9, an injection molding opening 10, an injection molding valve 11, an inclined top 12, a groove 13, an air hole 14, a lifting plate 15, an air pump 16, an expansion rod 17, a spring 18, an extrusion molding bin 19, a clamping groove 20, a lug 21, an inclined push rod 22, a piston 23, a mold bin 24 and an extrusion molding machine 25.

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. 1-4, the present invention provides a technical solution: an inclined ejection demoulding structure of an injection mould comprises a fixed mould plate 1, wherein two sides of the upper end surface of the fixed mould plate 1 are slidably connected with a movable mould plate 3 through pull rods 2, the right side of the lower end surface of the movable mould plate 3 is fixedly connected with a pressing block 4, the middle part of the lower end surface of the movable mould plate 3 is provided with a mould cabin 24, the middle part of the upper end surface of the fixed mould plate 1 is provided with a chute 7, the right side of the upper end surface of the fixed mould plate 1 is provided with an extrusion opening 6, the chute 7 is slidably connected with an inclined ejector 12, the middle part of the lower end surface of an inner cavity of the fixed mould plate 1 is fixedly connected with an expansion link 17, the upper end of the expansion link 17 is fixedly connected with a lifting plate 15, the left side of the upper end surface of the lifting plate 15 is fixedly connected with a lug 21, the middle part of the inner cavity of the lug 21 is fixedly connected with the inclined ejector 12 through an inclined ejector rod 22, the middle part of the upper end surface of the lifting plate 15 is fixedly connected with a piston 23, the inner cavity of the piston 23 is slidably connected with an ejector pin 8, the left side of the upper end surface of the lifting plate 15 is fixedly connected with an ejector rod 5, the right upper side of the inner cavity of the fixed mould plate 1 is provided with an extrusion cabin 19, the lower end face of the inner cavity of the extrusion molding bin 19 is fixedly connected with an extrusion molding machine 25 through a clamping groove 20.

In this embodiment, the upper portion of the right side wall of the slanted ejecting portion 12 is provided with a groove 13, and the size of the slanted ejecting portion 12 is completely consistent with that of the sliding chute 7. Through the setting of slot 13, can be with the mould after the completion with movable mould board 3 separation, then upwards stretch out through telescopic link 17, drive lifter plate 15 upward movement to make oblique ejector pin 22 drive oblique top 12 upwards slide at spout 7, thimble 8 in the piston 23 also can synchronous upward movement simultaneously, thereby the mould drops from oblique top 12 smoothly.

In this embodiment, two sides of the lower end surface of the lifting plate 15 are fixedly connected with the lower end surface of the inner cavity of the fixed die plate 1 through springs 18. Through being provided with spring 18 in lifter plate 15 lower extreme face both sides, when movable mould board 3 extrudeed to fixed die plate 1, spring 18 can give lifter plate 15 an ascending buffer power to through ejector pin 5, thimble 8, oblique top 12 specially pass for movable mould board 3, thereby slowed down the collision between movable mould board 3 and the fixed die plate 1, improved the life of device from this.

In this embodiment, the upper end surface of the lifting plate 15 is located on the left side of the ejector rod 5 and is fixedly connected with an air pump 16, the output end of the air pump 16 is communicated with the inner cavity of the ejector rod 5, the right side wall of the upper end of the air pump 16 is provided with an air hole 14, and the air hole 14 is obliquely arranged with a high outside and a low inside. By adopting the air pump 16 and the air holes 14 which are arranged in the inclined way and have the high outside and the low inside, when the mold is ejected out, the air can be sprayed by pressurization, so that the mold can more effectively fall off, and the demolding efficiency of the device is improved.

In this embodiment, the briquette 4 is passed through the extrusion port 6 and brought into contact with the right end of the extruder 25. Through setting up briquetting 4 and extrusion mouth 6, when movable mould board 3 combines to the extrusion of fixed die plate 1, briquetting 4 can pass extrusion mouth 6 and extrude extruder 25 to make in the material in the extruder 25 is poured into mould storehouse 24, from this reasonable utilization the interact power between movable mould board 3 and the fixed die plate 1, simplified the step of moulding plastics, also saved the consumption of the energy, reduced manufacturing cost.

In this embodiment, the upper portion of the right side wall of the extrusion molding bin 19 is fixedly connected with an injection molding port 10, the upper side wall of the injection molding port 10 is rotatably connected with an injection molding valve 11, and the injection molding port 10 is communicated with the inner cavity of the extruder 25. Through setting up the setting of the mouth of moulding plastics 10, can be very convenient inject the material into the extruder 25 in, then cooperate the use of the valve 11 of moulding plastics for the material of extruder 25 can not outwards the seepage, thereby has improved the practicality of device.

When the injection molding machine works, firstly, materials are injected into an extruder 25 through an injection port 10, then an upper injection valve 11 is rotated to seal the inlet at the right end of the extruder 25, then a movable template 3 is combined to a fixed template 1 through a pull rod 2, meanwhile, the fixed template 1 can extrude a mandril 5, a thimble 8 and an inclined top 12 downwards, because springs 18 are arranged on two sides of the lower end face of a lifting plate 15, an upward buffer force can be given to the lifting plate 15, the collision between the movable template 3 and the fixed template 1 is relieved, then after the fixed template 1 and the movable template 3 are completely combined, a pressing block 4 can penetrate through an extrusion port 6 to extrude the extruder 25, so that the materials in the extruder 25 are injected into a mold bin 24, after the mold production in the mold bin 24 is completed, the movable template 3 is pulled open, the completed mold can be separated from the movable template 3 through the arrangement of a groove 13, and then the lifting plate 15 is driven to move upwards through a telescopic rod 17, therefore, the inclined ejector rod 22 drives the inclined ejector 12 to slide upwards in the chute 7, meanwhile, the ejector pin 8 in the piston 23 can also move upwards synchronously to complete the demoulding of the mould, and at the moment, the mould is more effectively separated by matching with the air pump 16 and the air hole 14 which is arranged obliquely and high outside and low inside through pressurizing and air injection. The whole device enables the mould to smoothly fall off through the matching among the inclined ejector rod 22, the ejector pin 8 and the groove 13, and the arrangement of the air pump 16 is matched, so that the demoulding efficiency of the device is improved; then, the spring 18 is arranged, so that the buffer effect is achieved, and the service life of the device is prolonged; then, by arranging the pressing block 4 and the extrusion opening 6, the mechanical capacity is reasonably utilized, and the production cost is reduced; finally, the practicability of the device is improved through the arrangement of the injection molding port 10.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. 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. Without further limitation. The use of the phrase "comprising one of the elements does not exclude the presence of other like elements in the process, method, article, or apparatus that comprises the element.

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 injection mold pushes up demoulding structure to one side, includes fixed die plate (1), its characterized in that: the die comprises a fixed die plate (1), a movable die plate (3) is connected to two sides of the upper end face of the fixed die plate (1) in a sliding mode through a pull rod (2), a pressing block (4) is fixedly connected to the right side of the lower end face of the movable die plate (3), a die bin (24) is arranged in the middle of the lower end face of the movable die plate (3), a sliding chute (7) is arranged in the middle of the upper end face of the fixed die plate (1), an extrusion port (6) is arranged on the right side of the upper end face of the fixed die plate (1), an inclined top (12) is connected to the sliding chute (7) in a sliding mode, a telescopic rod (17) is fixedly connected to the middle of the lower end face of an inner cavity of the fixed die plate (1), a lifting plate (15) is fixedly connected to the upper end face of the lifting plate (15) in a left side, a lug (21) is fixedly connected to the inclined top (12) through an inclined top rod (22) in the middle of the inner cavity of the lug (21), and a piston (23) is fixedly connected to the middle of the upper end face of the lifting plate (15), piston (23) inner chamber sliding connection has thimble (8), lifter plate (15) up end left side fixedly connected with ejector pin (5), the upper right side of fixed die plate (1) inner chamber is provided with extrusion molding storehouse (19), draw-in groove (20) fixedly connected with extruder (25) are passed through to the terminal surface under extrusion molding storehouse (19) inner chamber.

2. The angle top demolding structure of an injection mold according to claim 1, wherein: the upper part of the right side wall of the inclined top (12) is provided with a groove (13), and the specification and the size of the inclined top (12) are completely consistent with those of the sliding chute (7).

3. The angle top demolding structure of an injection mold according to claim 1, wherein: two sides of the lower end face of the lifting plate (15) are fixedly connected with the lower end face of the inner cavity of the fixed die plate (1) through springs (18).

4. The angle top demolding structure of an injection mold according to claim 1, wherein: the air pump is characterized in that the upper end face of the lifting plate (15) is located on the left side of the ejector rod (5) and is fixedly connected with an air pump (16), the output end of the air pump (16) is communicated with the inner cavity of the ejector rod (5), an air hole (14) is formed in the right side wall of the upper end of the air pump (16), and the air hole (14) is formed in the inclined mode of being high outside and low inside.

5. The angle top demolding structure of an injection mold according to claim 1, wherein: the pressing block (4) penetrates through the extrusion opening (6) to be in contact with the right end of the extruder (25).

6. The angle top demolding structure of an injection mold according to claim 1, wherein: extrusion molding storehouse (19) right side wall upper portion fixedly connected with mouth (10) of moulding plastics, it is connected with valve (11) of moulding plastics to mould plastics mouthful (10) side wall rotation, mouth (10) of moulding plastics and extruder (25) inner chamber intercommunication.