CN111283961B

CN111283961B - Injection molding machine for automobile part mold

Info

Publication number: CN111283961B
Application number: CN202010163496.XA
Authority: CN
Inventors: 林敏慧
Original assignee: Huangshan Hengao Electric Appliance Technology Co ltd
Current assignee: Huangshan hengao Electric Appliance Technology Co.,Ltd.
Priority date: 2020-03-11
Filing date: 2020-03-11
Publication date: 2021-11-09
Anticipated expiration: 2040-03-11
Also published as: CN111283961A

Abstract

The invention discloses an injection molding machine for automobile accessory molds, which structurally comprises a case, a filling cavity, a feeding barrel, a mounting seat, an extrusion center and a mold cavity, wherein the filling cavity, the extrusion center and the mold cavity are arranged on the case, the feeding barrel is arranged on the filling cavity, the output end of the filling cavity is connected to the mold cavity through the extrusion center, the extrusion center is fixedly installed by the mounting seat, and an extrusion screw, an extrusion barrel, a sleeve inner cavity and a sleeve outer cavity are arranged at the extrusion center.

Description

Injection molding machine for automobile part mold

Technical Field

The invention relates to the field of injection molding machines, in particular to an injection molding machine for an automobile part mold.

Background

An injection molding machine, also known as an injection molding machine or an injection machine, is a main molding device for manufacturing thermoplastic plastics or thermosetting plastics into plastic products with various shapes by utilizing a plastic molding die, the injection molding machine can heat the plastics and apply high pressure to the molten plastics to ensure that the molten plastics are injected to fill a die cavity of the die, an injection system is one of the main components of the injection molding machine, the injection molding machine is widely applied to injection molding of automobile parts, the automobile parts are processed and produced by using an injection molding process, and the processing efficiency of the automobile parts is greatly improved.

At present, most of the materials are extruded by screw rods, a small amount of plastic is left at an extrusion port of a sleeve in the extrusion process, the plastic is solidified at the position of the port and is accumulated continuously, the use of the screw rods is influenced, meanwhile, the injection rate of extruded feeding is too low, a solidified layer is formed before the periphery of the front part of a melt is not contacted with the inner wall of a mold, the melt with high viscosity or solidified can prevent the melt from flowing along the wall of the mold, at the moment, the middle melt naturally still contacts with the wall of the mold after flowing through, the surface of a finished product is corrugated, and the defective rate is increased greatly.

Disclosure of Invention

The invention aims to provide an injection molding machine for an automobile part mold, which is used for solving the technical problems that the use of a screw rod is influenced due to the fact that plastic is continuously accumulated at a port position, the injection rate of extrusion feeding is too low, a solidified layer is formed before the periphery of the front part of a melt is not contacted with the inner wall of the mold, the melt with high viscosity or solidified can prevent the melt from flowing along the mold wall, and the intermediate melt naturally still contacts with the mold wall after flowing through, so that the surface of a finished product is corrugated, and the defective rate is greatly increased.

In order to achieve the purpose, the invention is realized by the following technical scheme: the utility model provides an auto-parts mould injection molding machine, its structure includes quick-witted case, packing chamber, adds feed cylinder, mount pad, extrudes center, die cavity, install the packing chamber on the quick-witted case, extrude center and die cavity, be equipped with on the packing chamber and add feed cylinder, the output in packing chamber is connected to the die cavity through extruding the center, it is fixed with the mount pad installation to extrude the center, it is equipped with extrusion screw, extrudees out feed cylinder, sleeve inner chamber, sleeve exocoel to extrude the center, extrusion screw horizontal installation is in the inside of extruding out feed cylinder, the surface at extrusion feed cylinder is established with the sleeve exocoel to sleeve inner chamber, sleeve inner chamber is connected with extrusion feed cylinder.

Preferably, the sleeve outer cavity is composed of a receiving groove, a through pipe, a driving port, a fan plate and a pipe orifice piece, the fan plate is hinged with the pipe orifice piece, the pipe orifice piece is arranged at one end of the through pipe, the other end of the through pipe is connected with the receiving groove, the fan plate is fixed on the outer surface of the sleeve inner cavity through the connected driving port, and the pipe orifice piece and the through pipe are matched at the extrusion end of the sleeve inner cavity.

Preferably, the outer surface of the extrusion cylinder is provided with a driver, a signal port and an electrifying wiring, the driver is internally provided with the signal port electrically connected with the electrifying wiring, and the electrifying wiring is connected to the signal receiving end of the active port.

Preferably, the pipe orifice piece is internally provided with a hinged flap, a sealing body and a pipe wall sealing cavity, the sealing body is hinged to the fan plate through the hinged flap, the sealing body and the pipe wall sealing cavity are of a triangular structure, the volume of the pipe wall sealing cavity is larger than that of the sealing body, and the sealing body is sealed at the pipeline inlet of the through pipe.

Preferably, the receiving groove comprises an extraction partition plate, a pocket groove, a support rod and a heating plate, a guide wheel movably matched with the support rod is mounted on the outer surface of the pocket groove, the pocket groove is trapezoidal, the heating plate is arranged at the bottom of the pocket groove, the extraction partition plate is installed in a drawing mode, and the pocket groove is connected with the through pipe.

Preferably, the pipe wall sealing cavity comprises a single through opening, movable cover plates and in-plate burrs, the two movable cover plates are connected through hinges and movably matched in a split mode, the in-plate burrs are densely distributed on the inner surfaces of the movable cover plates, and the single through opening is arranged towards one side of the through pipe and the material bag groove.

Preferably, one end of the through pipe close to the bearing groove is of a Y-shaped structure.

Preferably, the extruding cylinder is provided with texture engaged with the driving port on the outer side of the driving port.

Preferably, three fan plates are arranged and move around along the outer surface of the inner cavity of the sleeve under the driving matching of the driving port.

Preferably, the driver is internally provided with a forward and reverse rotating motor, and the forward and reverse rotating motor can drive the fan plate to reciprocate through electric drive.

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

1. the outer cavity of the sleeve is provided with the bearing groove, the through pipe, the pipe orifice piece and the fan plate, the fan plate is driven by the driving port to separate residual materials in the extrusion end in time in an up-and-down circular motion along the inner cavity of the sleeve, and the through pipe guides the materials to the material pocket groove for collection, so that the phenomenon that the long-term residual solidification of the residues at the extrusion end influences the normal work of an extrusion screw is prevented, and the injection rate is ensured.

2. The pipe orifice position of the through pipe acted by the fan plate is also provided with a pipe orifice piece, wherein the sealing body is mutually matched with the pipe wall sealing cavity through the hinged swinging leaf, so that the pipe orifice of the through pipe is effectively opened by the sealing body matched with the operation of the fan plate, and the sealing body is accommodated in the pipe wall sealing cavity in the process of opening the pipe orifice, thereby preventing inflow materials from polluting the surface of the sealing body.

3. The pipe wall sealing cavity is movably split, when the fan plate is accommodated in the pipe wall sealing cavity, burrs in the plate can be fully contacted with the pipe wall sealing cavity to play a cleaning role, one side of the fan plate facing the through pipe inner pocket groove is provided with a single through hole, dirt in the pipe wall sealing cavity can be directly discharged through the through hole, and the pipe wall sealing cavity can be cleaned when the through pipe is cleaned.

4. The pocket trough is respectively matched with the supporting rod and the heating plate, wherein the heating plate can ensure the flowability of the material flowing into the heating plate and prevent the material from solidifying, and the pocket trough can vertically move along the heating plate under the action of the supporting rod, so that the pocket trough is convenient to replace.

Drawings

FIG. 1 is a schematic structural diagram of an injection molding machine for automobile parts molds according to the present invention.

FIG. 2 is a schematic cross-sectional view of an extrusion center according to the present invention.

FIG. 3 is a schematic top view of an extrusion center according to the present invention.

Fig. 4 is an enlarged schematic view of the structure of the orifice fitting of the present invention.

FIG. 5 is a schematic view of the receiving trough of the present invention.

FIG. 6 is a schematic structural diagram of the tube wall cavity sealing of the present invention.

FIG. 7 is a schematic side view of the tube wall cavity of the present invention.

In the figure: the device comprises a case-1, a filling cavity-2, a feeding barrel-3, a mounting seat-4, an extrusion center-5, a die cavity-6, an extrusion screw-51, an extrusion charging barrel-52, a sleeve inner cavity-53, a sleeve outer cavity-54, a bearing groove-541, a through pipe-542, a driving port-543, a fan plate-544, a pipe orifice piece-545, a driver-a, a signal port-b, an electric connection wire-c, a hinged swing hinge-45 a, a sealing body-45 b, a pipe wall sealing cavity-45 c, an extraction partition plate-411, a pocket groove-412, a support rod-413, a heating plate-414, a single through port-5 c1, a movable cover plate-5 c2 and an in-plate burr-5 c 3.

Detailed Description

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on or indirectly connected to the other element, and when an element is referred to as being "connected to" the other element, it can be directly connected to or indirectly connected to the other element.

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.

Example 1

As shown in figures 1-3, the invention provides an injection molding machine for automobile accessory molds, which structurally comprises a machine case 1, a filling cavity 2, a feeding cylinder 3, a mounting seat 4, an extrusion center 5 and a mold cavity 6, wherein the machine case 1 is provided with the filling cavity 2, the extrusion center 5 and the mold cavity 6, the filling cavity 2 is provided with the feeding cylinder 3, the output end of the filling cavity 2 is connected to the mold cavity 6 through the extrusion center 5, the extrusion center 5 is fixedly installed by the mounting seat 4, the extrusion center 5 is provided with an extrusion screw 51, an extrusion cylinder 52, a sleeve inner cavity 53 and a sleeve outer cavity 54, the extrusion screw 51 is horizontally installed inside the extrusion cylinder 52, the sleeve inner cavity 53 and the sleeve outer cavity 54 are arranged on the outer surface of the extrusion cylinder 52, the sleeve inner cavity 53 is connected with the extrusion cylinder 52, and the sleeve outer cavity 54 is provided with a bearing groove 541, a through pipe 542, a driving port 543 and a driving port 543, The fan plate 544 is hinged with the pipe orifice member 545, one end of the through pipe 542 is provided with the pipe orifice member 545, the other end of the through pipe is connected with the receiving groove 541, the fan plate 544 is fixed on the outer surface of the sleeve inner cavity 53 through the connected driving port 543, the pipe orifice member 545 is matched with the through pipe 542 at the extrusion end of the sleeve inner cavity 53, the outer surface of the extrusion discharge cylinder 52 is provided with a driver a, a signal port b and a power-on wiring c, the driver a is internally provided with a signal port b which is electrically connected with the power-on wiring c, the power-on wiring c is connected with the signal receiving end of the driving port 543, the outer side of the extrusion discharge cylinder 52 which is matched with the driving port is provided with textures which are engaged, the fan plate 544 is provided with three fan plates 543 which are driven to move around along the outer surface of the sleeve inner cavity 53 under the driving matching of the driving port 543, and the driver a is internally provided with a forward and reverse rotation motor, the forward and reverse rotation motor is the prior art, can drive the fan plate 544 to reciprocate by electric drive, prevents the long-term residue of the residue at the extrusion end from solidifying and influencing the normal work of the extrusion screw, and ensures the injection rate.

Example 2

As shown in fig. 4-5, based on embodiment 1, the long-term residue of the residue at the extrusion end is prevented from being solidified to affect the normal operation of the extrusion screw, and the injection rate is ensured, further, through the matching relationship of the following components, a hinged flap 45a, a sealing body 45b and a tube wall sealing cavity 45c are arranged in the nozzle member 545, the sealing body 45b is hinged to the fan plate 544 through the hinged flap 45a, the sealing body 45b and the tube wall sealing cavity 45c are in a triangular structure, the volume of the tube wall sealing cavity 45c is larger than that of the sealing body 45b, the sealing body 45b is sealed at the inlet of the through tube 542, one end of the through tube 542 close to the receiving groove 541 is in a Y-shaped structure, and the sealing body is accommodated in the tube wall sealing cavity in the process of opening the nozzle, so as to prevent the inflow material from polluting the surface of the sealing body.

Example 3

As shown in fig. 6-7, on the basis of preventing long-term residual solidification of the extrusion end residues from affecting the normal operation of the extrusion screw and ensuring the injection rate based on the embodiment 1 and the embodiment 2; and on the basis of preventing the material that flows into in the through-pipe from polluting the sealing body surface, through the relation of connection between following parts, accept groove 541 includes extraction baffle 411, pocket groove 412, branch 413, hot plate 414, the surface mounting of pocket groove 412 has the guide pulley of movable fit in branch 413, pocket groove 412 is trapezoidal form, is provided with hot plate 414 in its bottom, extraction baffle 411 is the installation of pull formula, pocket groove 412 is connected with through-pipe 542, pipe wall seal chamber 45c includes single opening 5c1, removable cover 5c2, inboard deckle edge 5c3, two removable cover 5c2 adopts hinged joint to be run from opposite directions movable fit, the internal surface of removable cover 5c2 distributes densely has inboard deckle edge 5c3, single opening 5c1 sets up towards one side of through-pipe 542 and pocket groove 412, the pipe wall seal chamber is the activity run from opposite directions, when the sector plate is brought into the pipe wall seal chamber, the inboard deckle edge seals the chamber with the pipe wall and can play clear effect under full contact, and has seted up single opening in one side towards the intraductal pocket groove of siphunculus, but the inside foul of chamber is sealed to the pipe wall to the drainage that this opening can be direct, also can wash the pipe wall and seal the chamber when carrying out the siphunculus and wasing, and the mobility that the hot plate can guarantee to flow in inside material prevents that it from solidifying, and the pocket groove can be along its vertical removal under the branch effect, convenient the change.

The following describes in detail the implementation of the injection molding machine for automobile part molds according to the present invention:

the extrusion screw 51 moves horizontally to extrude the material in the extrusion barrel 52, the material is discharged from the inner cavity 53 of the sleeve and injected into the die cavity 6, the material is solidified and formed in the die arranged in the die cavity 6, along with the extrusion of the material, a small amount of material residue exists in the extrusion end of the inner cavity 53 of the sleeve, in order to clean the residue in time, the invention is provided with a fan plate 544 at the position of the extrusion end, a driver a is started, an electric signal is output to a driving port 543 through a signal port b and an electrifying connection wire c, the shell of the driving port 543 is respectively provided with a meshing disc and a connecting rod, the meshing disc is meshed with the outer surface texture of the inner cavity 53 of the sleeve, so that the fan plate 544 descends in a rotating manner, under the action of descending traction force, a sealing body 45b connected through a hinged swinging vane 544 a is pulled out by the fan plate, the sealing body 45b is brought into the tube wall sealing cavity 45c, so as to open a through tube 542, at the moment, the fan plate 544 clears the residue at the lower extrusion end and is guided into the tube wall sealing cavity 45c, the material is collected to pocket silo 412 along the pipeline, and the inside heat of pocket silo 412 and siphunculus 542 is guaranteed to the steam that hot plate 414 gived off to prevent that a small amount of material that discharges from appearing solidifying and the condition of detaining in the pipeline, thereby block up siphunculus 542.

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 auto-parts mould injection molding machine which characterized in that: the structure of the device comprises a case (1), a filling cavity (2), a feeding cylinder (3), a mounting seat (4), an extrusion center (5) and a die cavity (6), a filling cavity (2), an extrusion center (5) and a die cavity (6) are arranged on the case (1), the filling cavity (2) is provided with a feeding cylinder (3), the output end of the filling cavity (2) is connected to the die cavity (6) through an extrusion center (5), the extrusion center (5) is fixedly installed by an installation seat (4), the extrusion center (5) is provided with an extrusion screw (51), an extrusion charging barrel (52), a sleeve inner cavity (53) and a sleeve outer cavity (54), the extrusion screw (51) is horizontally arranged inside the extrusion barrel (52), the sleeve inner cavity (53) and the sleeve outer cavity (54) are arranged on the outer surface of the extrusion charging barrel (52), and the sleeve inner cavity (53) is connected with the extrusion charging barrel (52);

the sleeve outer cavity (54) is composed of a bearing groove (541), a through pipe (542), a driving port (543), a fan plate (544) and a pipe orifice piece (545), the fan plate (544) is hinged with the pipe orifice piece (545), one end of the through pipe (542) is provided with the pipe orifice piece (545), the other end of the through pipe (542) is connected with the bearing groove (541), the fan plate (544) is fixed on the outer surface of the sleeve inner cavity (53) through the connected driving port (543), and the pipe orifice piece (545) and the through pipe (542) are matched at the extrusion end of the sleeve inner cavity (53);

the outer surface of the extrusion cylinder (52) is provided with a driver (a), a signal port (b) and an electrifying connection wire (c), the driver (a) is internally provided with the signal port (b) which is electrically connected with the electrifying connection wire (c), and the electrifying connection wire (c) is connected to a signal receiving end of the active port (543);

be provided with articulated pendulum page or leaf (45a), the body of sealing (45b), pipe wall seal chamber (45c) in mouth of pipe piece (545), it connects on sector (544) through articulated pendulum page or leaf (45a) is articulated to seal body (45b), it is the triangle-shaped structure with pipe wall seal chamber (45c) to seal body (45b), pipe wall seal chamber (45c) volume is greater than the body of sealing (45b), seal body (45b) and seal the pipeline entry at siphunculus (542).

2. The injection molding machine for automobile parts molds according to claim 1, wherein: accept groove (541) including extraction baffle (411), pocket silo (412), branch (413), hot plate (414), the surface mounting of pocket silo (412) has the guide pulley of movable fit in branch (413), pocket silo (412) are the trapezium shape, are provided with hot plate (414) in its bottom, extraction baffle (411) are the installation of pull formula, pocket silo (412) are connected with siphunculus (542).

3. The injection molding machine for automobile parts molds according to claim 1, wherein: pipe wall closed chamber (45c) includes single port (5c1), removable cover (5c2), inboard burr (5c3), two removable cover (5c2) adopt hinged joint to be to open clearance fit, the internal surface intensive distribution of removable cover (5c2) has inboard burr (5c3), single port (5c1) sets up towards one side of siphunculus (542) and pocket silo (412).

4. The injection molding machine for automobile parts molds according to claim 1, wherein: one end of the through pipe (542) close to the bearing groove (541) is of a Y-shaped structure.