CN112917807A

CN112917807A - Anti-blocking injection molding die assembly equipment

Info

Publication number: CN112917807A
Application number: CN202011588252.2A
Authority: CN
Inventors: 张碧琴
Original assignee: Guangzhou Nuoqi Industrial Co ltd
Current assignee: Li Liangsheng
Priority date: 2020-12-29
Filing date: 2020-12-29
Publication date: 2021-06-08

Abstract

The invention discloses an anti-blocking injection molding die assembly device, which structurally comprises a liquid supplementing head, a melt box, a controller, an equipment box, a slideway, a die closing seat and an extrusion pipe, wherein the liquid supplementing head is connected with a flange at the front end of the melt box, the melt box is connected with the rear side of the equipment box in a welding way, the upper end surface of the equipment box is in clearance fit with the slideway, the slideway is in sliding fit with two sides of the die closing seat, the upper end of the die closing seat is spirally connected with the extrusion pipe, the extrusion pipe is in movable fit with the inside of the equipment box, the inside of the equipment box is in movable fit with the controller, the liquid supplementing head comprises a pipeline head, a runner pipe and a liquid adding gun, the pipeline head is connected with a flange at the top end of the runner pipe, and the tail end of the runner pipe is fixedly embedded with the liquid adding gun. Effectively eliminating bubbles before extrusion.

Description

Anti-blocking injection molding die assembly equipment

Technical Field

The invention relates to the field of injection molding and die closing equipment, in particular to anti-blocking injection molding and die closing equipment.

Background

The injection molding and die assembly equipment is one of injection molding and manufacturing, wherein a plastic material melt to be processed is injected into a template, an internal model of the template is filled with the injection melt, and the template is extruded and pressed to be molded, so that the produced internal structure is a product after injection molding and die assembly;

however, the prior art has the following defects: the utility model provides an in-process that compound die equipment of moulding plastics of anti-sticking is dead can produce the shrink after the cooling of the inside raw materials of moulding plastics behind the compound die, so need carry out the melt to the mould inside and fill, can produce the bubble when the melt is through pipeline inside flow, can make inside mould appear the bubble hole after leading to the bubble to crowd into, cause inside mould to receive the influence of bubble hole, the bubble explodes the rear surface hole that appears again.

Disclosure of Invention

Aiming at the defects in the prior art, the invention aims to provide anti-blocking injection and die assembly equipment, which aims to solve the problems that in the use process of the anti-blocking injection and die assembly equipment in the prior art, due to the fact that an internal injection raw material is shrunk after being subjected to die assembly, the interior of a die needs to be filled with a molten material, when a smelting furnace flows through the interior of a conveying pipeline, bubbles are generated, the bubbles are extruded into the internal die, the internal die is affected by the bubbles, and the bubbles burst and crack to form pits on the surface.

In order to achieve the purpose, the invention is realized by the following technical scheme: the utility model provides an anti-sticking dies compound die equipment of moulding plastics, its structure includes fluid infusion head, melt case, controller, equipment box, slide, die holder, extrusion pipe, fluid infusion head and melt case front end flange joint, melt case and equipment box rear side welded connection, equipment box upper end surface and slide clearance fit, slide and die holder both sides sliding fit, die holder upper end and extrusion pipe screwed connection, extrusion pipe and the inside clearance fit of equipment box, the inside and controller clearance fit of equipment box, fluid infusion head includes pipeline head, runner pipe, liquid feeding rifle, pipeline head and runner pipe top flange joint, the runner pipe end links firmly with the liquid feeding rifle inlays, liquid feeding rifle end and pipeline head clearance fit.

The invention is further improved, the pipeline head comprises elastic frames, extrusion strips, liquid outlet heads, flow guide cavities and elastic sheets, the bottoms of the elastic frames are welded and connected with the top ends of the elastic sheets, the upper ends of the elastic frames are in interference fit with the extrusion strips, the extrusion strips are in interference fit with the two sides of the flow guide cavities, the right sides of the flow guide cavities are in movable fit with the liquid outlet heads, and the four elastic frames are matched with the extrusion strips at the upper ends to move up and down.

The elastic frame is further improved, the elastic frame comprises a blocking wall, an extrusion head, a cavity to be pressed and a fine cavity, the inner wall of the blocking wall is fixedly embedded and connected with the bottom of the fine cavity, the right side of the fine cavity is in clearance fit with the cavity to be pressed, the right side of the cavity to be pressed is in nested fit with the extrusion head, the left side of the extrusion head is in clearance fit with the fine cavity, and two ends of the fine cavity are fixed on the inner wall of the blocking wall, are fixedly embedded and connected and are in clearance fit with the left side of the cavity to be pressed.

The grinding ball grinding machine is further improved, the fine cavity comprises grinding balls, movable cavities, a fixed seat and a swinging rod, the surfaces of the grinding balls are welded and connected with the swinging rod, the swinging rod is hinged and connected with the inner part of the fixed seat, the inner side of the fixed seat is in clearance fit with the movable cavities, the movable cavities are in integral movable fit with the grinding balls, two grinding balls are arranged oppositely, and the bottoms of the grinding balls are in fit swinging with the swinging rod.

The invention is further improved, the extrusion head comprises refining strips, a swing plate, a limiting block and an extrusion cavity, the refining strips are movably clamped with the surface of the swing plate, the bottom of the swing plate is hinged with the limiting block, the limiting block is in clearance fit with the left side of the extrusion cavity, the refining strips are in clearance fit with the limiting block integrally, the swing plate is provided with two blocks which are in a triangular shape integrally, the bottom of the swing plate is hinged with the limiting block, and the surface of the swing plate is nested with the refining strips.

The invention is further improved, the refining strip comprises an barb strip, a spring, a buffer strip, a connecting plate and a telescopic seat, the bottom of the barb strip is connected with the spring in a welding mode, the bottom of the spring is fixedly embedded and connected with the surface of the buffer strip, the lower end of the buffer strip is connected with the telescopic seat in a clamping mode, the bottom of the telescopic seat is fixedly embedded and connected with the connecting plate, the upper end of the connecting plate is in clearance fit with the buffer strip, the barb strip is provided with six barb strips which are arc-shaped, and the tail ends of the barb strips are connected with the spring in a welding mode and can retract inwards.

Advantageous effects

Compared with the prior art, the invention has the following beneficial effects;

1. according to the invention, the bottom swinging rod is displaced and swings left and right through the pressure impact pressure of the liquid outlet head in the liquid feeding gun on the molten liquid, so that the top grinding ball is driven to grind the passing molten liquid, and the subsequent molten liquid to be filled is more finely fed into the cavity to be pressed through grinding, so that the problem of bubbles in the molten liquid is effectively reduced.

2. According to the invention, the passing molten liquid is refined through the refining strips in the extrusion head, and the bubbles in the molten liquid are screened, so that the sharp barb strips are erected for piercing, the molten liquid accompanied with the bubbles is prevented from entering the extrusion cavity to wait for extrusion and filling of the die in the die holder, and the bubbles are effectively eliminated before extrusion.

Drawings

FIG. 1 is a schematic structural diagram of an anti-seize injection mold clamping device of the present invention.

Fig. 2 is a schematic perspective view of the fluid infusion head according to the present invention.

FIG. 3 is a schematic view of the internal structure of the liquid filling gun of the present invention.

Fig. 4 is a schematic view of the internal structure of the liquid outlet head of the present invention.

FIG. 5 is a schematic view of the internal structure of the refining chamber according to the present invention.

FIG. 6 is a schematic view of the internal structure of the extrusion head of the present invention.

Fig. 7 is a schematic view of the internal structure of the refining bar of the present invention.

In the figure: liquid supplementing head-1, melt liquid box-2, controller-3, equipment box-4, slide-5, mold closing seat-6, extruding pipe-7, pipeline head-11, circulating pipe-12, liquid adding gun-13, elastic frame-111, extruding strip-112, liquid outlet head-113, flow guide cavity-114, elastic sheet-115, barrier wall-a 1, extruding head-a 2, cavity-a 3 to be pressed, fine cavity-a 4, grinding ball-a 41, movable cavity-a 42, fixed seat-a 43, swinging rod-a 44, thinning strip-b 1, swinging plate-b 2, limiting block-b 3, extruding cavity-b 4, barb strip-b 11, spring-b 12, buffer strip-b 13, connecting plate-b 14 and telescopic seat-b 15.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it is obvious that the described embodiments are some, not all embodiments of the present invention, and all other embodiments obtained by those skilled in the art without any inventive work based on the embodiments of the present invention belong to the protection scope of the present invention.

The invention is further described below with reference to the accompanying drawings:

example 1

As shown in figures 1 to 5:

its structure includes fluid infusion head 1, melt case 2, controller 3, equipment box 4, slide 5, compound die seat 6, extruded tube 7,

fluid infusion head

1 and 2 front end flange connections of melt case,

melt case

2 and 4 rear side welded connections of equipment box, 4 upper end surfaces of equipment box and 5 clearance fit of slide,

slide

5 and 6 both sides sliding fit of compound die seat, 6 upper ends of compound die seat and extruded tube 7 screwed connection, extruded tube 7 and the inside clearance fit of equipment box 4, the inside and 3 clearance fit of controller of equipment box 4, fluid infusion head 1 includes pipeline head 11, runner pipe 12, liquid feeding rifle 13,

pipeline head

11 and 12 top flange connections of runner pipe, 12 ends of runner pipe are connected with liquid feeding rifle 13 inlays admittedly, liquid feeding rifle 13 end and pipeline head 11 clearance fit.

Wherein, pipeline head 11 includes elastic frame 111, extrusion strip 112, goes out liquid head 113, water conservancy diversion chamber 114, shell fragment 115, elastic frame 111 bottom and shell fragment 115 top welded connection, elastic frame 111 upper end and extrusion strip 112 interference fit, extrusion strip 112 and water conservancy diversion chamber 114 both sides interference fit, water conservancy diversion chamber 114 right side and the 113 clearance fit of play liquid head, elastic frame 111 is equipped with four, and cooperation upper end extrusion strip 112 is gone on the activity from top to bottom, and wherein extrusion strip 112 is favorable to extrudeing the inner space, reduces the clearance that the inner space brought, reduces the existence of inside vacuole.

Wherein, elastic frame 111 includes separation wall a1, extrudes head a2, treats pressure chamber a3, fine and smooth chamber a4, separation wall a1 inner wall and fine and smooth chamber a4 bottom are embedded fixedly and are connected, fine and smooth chamber a4 right side and treat pressure chamber a3 clearance fit, treat pressure chamber a3 right side and extrude head a2 nested cooperation, extrude head a2 left side and fine and smooth chamber a4 clearance fit, fine and smooth chamber a4 both ends are fixed at separation wall a1 inner wall, inlay fixedly and are connected, with treating pressure chamber a3 left side clearance fit, wherein fine and smooth chamber a4 is favorable to refining inside melt, fills up its liquid more fine and more finely to filling more compact.

Wherein, fine and smooth chamber a4 includes ball a41, activity chamber a42, fixing base a43, swinging arms a44, ball a41 surface and swinging arms a44 welded connection, swinging arms a44 is connected with fixing base a43 is inside articulated, fixing base a43 inboard and activity chamber a42 clearance fit, activity chamber a42 and the whole movable fit of ball a41, ball a41 is equipped with two, is relative putting, and the bottom swings with swinging arms a44 cooperation, and wherein swinging arms a44 is favorable to driving its ball a41 to swing in the impact of melt, grinds liquid through ball a41, makes it reach more exquisite effect.

The specific working principle is as follows:

the invention opens the equipment box 4 to run through the cooperation of the controller 3, so that the inside of the die assembly seat 6 is filled by the liquid replenishing head 1 through the molten liquid in the molten liquid box 2, the liquid enters the liquid adding gun 13 through the circulating pipe 12 to drive the pressure to push the extrusion strip 112 to change so as to press the elastic frame 111 and the lower end elastic sheet 115 downwards, the inside is filled with the molten liquid and then passes through the fine cavity a4 in the liquid outlet head 113, the fine cavity a4 oscillating rod a44 is in left-right swinging cooperation, the welded grinding ball a41 is displaced to grind the passing liquid, and finally the passing liquid flows out of the movable cavity a42 and enters a pressurized area to be pressurized, the invention makes the bottom oscillating rod a44 displaced through the pressure impact pressure of the molten liquid by the liquid outlet head 113 in the liquid adding gun 13 and swings left-right to drive the top grinding ball a41 to grind the passing molten liquid, and the subsequent molten liquid to be filled is more finely and enters the chamber a3 to be pressurized through grinding, effectively reducing the problem of bubbles in the molten liquid.

Example 2:

as shown in fig. 6 to 7:

the extrusion head a2 comprises a refining strip b1, a swinging plate b2, a limiting block b3 and an extrusion cavity b4, the refining strip b1 is movably clamped with the surface of the swinging plate b2, the bottom of the swinging plate b2 is hinged with the limiting block b3, the limiting block b3 is in clearance fit with the left side of the extrusion cavity b4, the refining strip b1 is in clearance fit with the limiting block b3 integrally, the swinging plate b2 is provided with two pieces which are integrally triangular, the bottom of the swinging plate b3 is hinged with the limiting block b3, the refining strip b1 is nested on the surface, and the swinging plate b2 is favorable for driving the refining strip b1 to further refine liquid under the impact of molten liquid.

The refining strip b1 comprises a barb strip b11, a spring b12, a buffer strip b13, a connecting plate b14 and a telescopic seat b15, the bottom of the barb strip b11 is connected with the spring b12 in a welded mode, the bottom of the spring b12 is fixedly connected with the surface of a buffer strip b13, the lower end of the buffer strip b13 is connected with the telescopic seat b15 in a clamped mode, the bottom of the telescopic seat b15 is fixedly connected with the connecting plate b14 in a clamped mode, the upper end of the connecting plate b14 is in clearance fit with the buffer strip b13, the barb strip b11 is provided with six strips which are arc-shaped, the tail end of the barb strip is connected with the spring b12 in a welded mode and can retract inwards, the barb strip b11 is favorable for filtering flowing liquid so as to puncture fine bubbles in the flowing liquid, and the passing liquid is prevented from existing of bubbles.

The specific working principle is as follows:

the extruded melt is blocked by a limiting block b3 in an extrusion head a2, so that a swinging plate b2 hinged with the extrusion head b2 is impacted and unfolded upwards, the melt is thinned by a thinning strip b1 after quality inspection and then enters an extrusion cavity b4 to be extruded, when the melt passes through the surface of a thinning strip b1, a barb strip b11 erects to screen and filter the passing melt, the spring a12 is downwards extruded after the liquid pressure is stressed, so that a buffering strip b13 bears extrusion force, a telescopic seat b15 is downwards pressed to dissolve, air bubbles in the melt screened by the barb strip b11 are pierced by sharp spines at the top of the melt, the phenomenon that the air bubbles enter the extrusion cavity b4 to be extruded is avoided, the passing melt is thinned by a thinning strip b1 in an extrusion head a2, the air bubbles in the melt are screened, so that the air bubbles in the passing melt are pierced by the sharp barb strip b11, the melt enters an extrusion cavity b4 to be extruded and are waited to be filled in an extrusion die seat for extrusion, effectively eliminating bubbles before extrusion.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein; any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides an anti-sticking dies compound die equipment of moulding plastics, its structure includes liquid supplementing head (1), melt case (2), controller (3), equipment box (4), slide (5), compound die seat (6), extrusion pipe (7), liquid supplementing head (1) and melt case (2) front end flange joint, melt case (2) and equipment box (4) rear side welded connection, equipment box (4) upper end surface and slide (5) clearance fit, slide (5) and compound die seat (6) both sides sliding fit, compound die seat (6) upper end and extrusion pipe (7) screwed connection, extrusion pipe (7) and equipment box (4) inside clearance fit, equipment box (4) inside and controller (3) clearance fit, its characterized in that:

fluid infusion head (1) includes pipeline head (11), runner pipe (12), liquid feeding rifle (13), pipeline head (11) and runner pipe (12) top flange joint, runner pipe (12) end and liquid feeding rifle (13) are embedded solid and are connected, liquid feeding rifle (13) end and pipeline head (11) clearance fit.

2. The anti-seize injection mold closing apparatus of claim 1, wherein: pipeline head (11) are including elastic frame (111), extrusion strip (112), play liquid head (113), water conservancy diversion chamber (114), shell fragment (115), elastic frame (111) bottom and shell fragment (115) top welded connection, elastic frame (111) upper end and extrusion strip (112) interference fit, extrusion strip (112) and water conservancy diversion chamber (114) both sides interference fit, water conservancy diversion chamber (114) right side and play liquid head (113) clearance fit.

3. The anti-seize injection mold closing apparatus of claim 2, wherein: elastic frame (111) include separation wall (a1), extrude head (a2), wait to press chamber (a3), fine and smooth chamber (a4), separation wall (a1) inner wall and fine and smooth chamber (a4) bottom are embedded and are connected, fine and smooth chamber (a4) right side with wait to press chamber (a3) clearance fit, wait to press chamber (a3) right side and extrude head (a2) nested cooperation, extrude head (a2) left side and fine and smooth chamber (a4) clearance fit.

4. An anti-seize injection moulding closing apparatus according to claim 3, characterised in that: exquisite chamber (a4) is including ball (a41), activity chamber (a42), fixing base (a43), swinging arms (a44), ball (a41) surface and swinging arms (a44) welded connection, swinging arms (a44) are connected with fixing base (a43) inside articulated, fixing base (a43) inboard and activity chamber (a42) clearance fit, activity chamber (a42) and ball (a41) whole activity fit.

5. An anti-seize injection moulding closing apparatus according to claim 3, characterised in that: extrude head (a2) including refining strip (b1), swing board (b2), stopper (b3), extrude chamber (b4), refine strip (b1) and swing board (b2) surface activity block, swing board (b2) bottom and stopper (b3) hinged joint, stopper (b3) with extrude chamber (b4) left side clearance fit, refine strip (b1) and stopper (b3) whole clearance fit.

6. The anti-seize injection mold closing apparatus of claim 5, wherein: refine strip (b1) including barb strip (b11), spring (b12), buffering strip (b13), connecting plate (b14), flexible seat (b15), barb strip (b11) bottom and spring (b12) welded connection, spring (b12) bottom is embedded with buffering strip (b13) surface and is connected, buffering strip (b13) lower extreme is connected with flexible seat (b15) block, flexible seat (b15) bottom is connected with connecting plate (b14) are embedded and is fixed, connecting plate (b14) upper end and buffering strip (b13) clearance fit.