CN203198152U

CN203198152U - Injection molding machine

Info

Publication number: CN203198152U
Application number: CN 201320235862
Authority: CN
Inventors: 吴超
Original assignee: HAINING YIQIU PLASTIC INDUSTRY Co Ltd
Current assignee: HAINING YIQIU PLASTIC INDUSTRY Co Ltd
Priority date: 2013-05-02
Filing date: 2013-05-02
Publication date: 2013-09-18
Anticipated expiration: 2023-05-02

Abstract

The utility model provides an injection molding machine, and belongs to the technical field of machinery. The injection molding machine solves the problems that plastic products manufactured through injection molding of an existing injection molding machine have chromatic aberration and the proportion of master batches is not easy to master. The injection molding machine comprises a machine base. A plurality of threaded rod extrusion charging barrels are arranged on the machine base, an annular heating piece wraps the outer wall of each threaded rod extrusion charging barrel, the heating pieces are electrically linked with an electric heating control system through guide lines, a feeding end of each threaded rod extrusion charging barrel is provided with a hopper bin communicated with each threaded rod extrusion charging barrel, a discharging end of each threaded rod extrusion charging barrel is provided with a stock distributor, the stock distributors are connected with extrusion heads, and a control valve controlling the discharging amount of each threaded rod extrusion charging barrel is arranged in each stock distributor. The injection molding machine is simple in structure and accurate in controlling.

Description

A kind of moulding injection machine

Technical field

The utility model belongs to the technical field of machinery, relates to a kind of moulding injection machine.

Background technology

Lifting day by day along with living standard, the fast development of social industry, the required configuration requirement of industry is also more and more higher, the plastic products general life that enters people, and plastic products mainly are to come injection moulding to get by injection machine, injection machine is the processing equipment of use amount maximum in the plastic processing industry, not only has a large amount of products directly to produce with injection machine, but also is the key equipment of forming injection stretch blow moulding.China has become first big country that world's molding machine platform spare is produced, promotes Chinese injection machine equipment manufacture industry reasons of development to be: the one, carry out joint and technological cooperation with internationally famous enterprise; The 2nd, the international Bian that Chinese Enterprise has adapted to component of machine gradually purchases mode, has grasped Bian and has purchased channel.Injection machine has another name called injection (mo(u)lding) machine or injector.It is to utilize mould for plastics to make the main former of the plastic products of different shape thermoplastic or thermosetting material.

Injection machine can be divided into vertical, horizontal and upright combined type for sleeping in according to the arrangement mode of injection device and clamping apparatus.Injection machine is made up of injecting systems, matched moulds system, Hydraulic Power Transmission System, electric control system, lubricating system, heating and cooling system, safety monitoring system etc. usually.

The effect of injecting systems: injecting systems is one of topmost part of injection machine, and plunger type, screw, three kinds of principal modes of screw rod preformed plunger injection formula are generally arranged;

The effect of matched moulds system: the effect of matched moulds system is assurance mould closure, opens and eject goods.

The effect of hydraulic system: be to realize that injection machine provides power by the desired exercises of technical process, and satisfy the requirement of the required pressure of injection machine each several part, speed, temperature etc.

Electric control system rationally cooperates with hydraulic system, can realize the technical process requirement (pressure, temperature, speed, time) of injector and the action of various programs.

Heating system is used for heating cylinder and injection nozzle, and injecting machine material tube generally adopts electric heating coil as heater, is installed in the outside of barrel, and detects with the thermocouple segmentation.

Sliding system be injection machine moving platen, mode transfer device, connecting rod machine hinge, penetrate platform etc. and locate the loop that the position of relative motion provides lubricating condition, in order to reduce energy consumption and improve part life, lubricated can be regular manually lubricating, and also can be that automatic electric is lubricated.

The safety device of injection machine mainly is the device of protecting people, machine safety.Mainly formed by safety door, safety screen, hydraulic valve, limit switch, optical detection device etc., realize the interlock protection of electric---machinery---hydraulic pressure.

At the plastic products of different colours, the workman is making by the allotment to masterbatch, masterbatch be deployed into certain ratio after, also to control even discharging; Evenly the control of discharging becomes a difficult problem, at above-mentioned this situation, occur on the existing market discharging opening is carried out discharging control, as China Patent No. be: " 201220141405.3 " described a kind of two-shipper head extruding machine, comprise screw extruder, the discharge end of described screw extruder is provided with two extrusion dies, have between described screw extruder and two extrusion dies and have two runners in the stock distributor, two runners are communicated with two extrusion dies respectively, are equipped with control valve on described two runners.

Be by carrying out injection moulding in two die head route moulds in above-mentioned structure, single screw extruder is carried out the control of material and carry out the allotment of material, is mixing deployed back, there is difficulty in ratio allotment to masterbatch like this, the plastic products that come out by two extrusion die injection mouldings have aberration, are difficult for controlling the masterbatch ratio.

Summary of the invention

The purpose of this utility model is to have the problems referred to above at existing technology, has proposed a kind of simple in structurely, controls the moulding injection machine of masterbatch ratio easily.

The purpose of this utility model can realize by following technical proposal: a kind of moulding injection machine, comprise a support, support is provided with several screw rods and extrudes barrel, each screw rod is extruded the heating plate that is coated with annular on the outer wall of barrel respectively, described heating plate electrically connects by lead and electric heating control system, it is characterized in that, be equipped with and the bunker that is connected in screw rod is extruded barrel at the feed end that each screw rod is extruded barrel, the discharge end of extruding barrel at each screw rod is provided with stock distributor, described stock distributor is connected with extruder head, is provided with the control valve that each screw rod of control is extruded barrel load size in stock distributor.

This moulding injection machine mainly is to flock together in that a plurality of screw rods are extruded barrel, then masterbatch is unified to distribute by control valve, can precisely control the allocation proportion of masterbatch like this, controls the color scale of plastic products easily.

In above-mentioned moulding injection machine, described screw rod is extruded barrel quantity and is had two, and these two screw rods are extruded barrel and vertically are installed on the support mutually.

In above-mentioned moulding injection machine, has a batch mixing chamber in the described stock distributor, on the stock distributor wall, offer two charging apertures that are connected with the batch mixing chamber respectively, the discharge end that two above-mentioned screw rods are extruded barrel is corresponding being connected on the stock distributor charging aperture respectively, above-mentioned control valve is arranged on the intersection of two charging apertures, also is provided with the tapping channel that above-mentioned extruder head is connected with the batch mixing chamber on the stock distributor wall.

In above-mentioned moulding injection machine, be arranged on the heating plate quantity that every screw rod extrudes on the barrel and have five, every annular heating plate being coated on the screw rod extruded stock drum outer wall at interval is provided with the controller that is heated to ceiling temperature on the every annular heating plate.Controller can directly be bought on market, also has cut-off switch on the controller, and when the temperature of heating plate is heated in limited time, this controller control heating plate cuts off the power supply automatically.

In above-mentioned moulding injection machine, be provided with stirring rod and the connecting rod that links to each other with stirring rod in the described bunker, an end of connecting rod links to each other with the output shaft of motor, and the other end radially is solidly connected above-mentioned stirring rod, and motor is installed on the top cover of bunker.

In above-mentioned moulding injection machine, described stirring rod has three, and these three stirring rod distribute successively along the axial direction of connecting rod, and these three stirring rod projections angle in one plane is 120 degree.

In above-mentioned moulding injection machine, offer the rectangle mounting groove on the outer wall of described connecting rod, an end of described stirring rod is provided with the Plug Division of rectangle, and peg graft with the rectangle mounting groove interference of above-mentioned connecting rod and cooperate in the Plug Division of this stirring rod.

In above-mentioned moulding injection machine, the screw rod that described screw rod is extruded in the barrel is split-type structural, and this screw rod comprises center-pole, is arranged with some sections screw rod covers at center-pole.

In above-mentioned moulding injection machine, described screw rod cover quantity arranges five sections, and every section screw rod cover all is distributed on the above-mentioned center-pole.

In above-mentioned moulding injection machine, offer keyway on the described center-pole, the inwall of described screw rod cover is provided with the key tooth that matches with above-mentioned center-pole keyway, and described screw rod cover matches with keyway by described key tooth and is fixed on the above-mentioned center-pole.

Compared with prior art, this moulding injection machine mainly is to be provided with stock distributor at the discharge end that each screw rod is extruded barrel, stock distributor is connected with extruder head, in stock distributor, be provided with each screw rod of control and extrude the control valve of barrel load size, can precisely control the allocation proportion of masterbatch, the stirring rod that is provided with in the bunker can be carried out material with the connecting rod that links to each other with stirring rod and evenly be stirred; The utility model screw rod is split-type structural, easily maintenance; The utility model is simple in structure, and control precisely.

Description of drawings

Fig. 1 is the structural representation of this moulding injection machine.

Fig. 2 is the structural representation of bunker in this moulding injection machine.

Fig. 3 is the sectional structure schematic diagram of screw rod in this moulding injection machine.

Among the figure, 1, support; 2, screw rod is extruded barrel; 3, heating plate; 4, bunker; 5, stock distributor; 6, extruder head; 7, control valve; 8, batch mixing chamber; 9, charging aperture; 10, tapping channel; 11, controller; 12, stirring rod; 12a, Plug Division; 13, connecting rod; 13a, rectangle mounting groove; 14, motor; 15, screw rod; 15a, center-pole; 15b, screw rod cover.

The specific embodiment

Below be specific embodiment of the utility model and by reference to the accompanying drawings, the technical solution of the utility model is further described, but the utility model be not limited to these embodiment.

As Fig. 1, Fig. 2 or shown in Figure 3, this moulding injection machine mainly is made up of a support 1, support 1 is provided with two screw rods and extrudes barrel 2, the screw rod 15 that screw rod is extruded in the barrel 2 is split-type structural, the concrete structure of this screw rod 15 is: screw rod 15 mainly is made up of center-pole 15a, be arranged with five sections screw rod cover 15b at center-pole 15a, every section screw rod cover 15b all is distributed on the above-mentioned center-pole 15a; The concrete syndeton of center-pole 15a and screw rod cover 15b is: offer keyway on the center-pole 15a, the inwall of screw rod cover 15b is provided with the key tooth that matches with above-mentioned center-pole keyway, and screw rod cover 15b matches with keyway by the key tooth and is fixed on the above-mentioned center-pole 15a.These two screw rods are extruded barrel 2 and vertically are installed on the support 1 mutually; These two screw rods are extruded the heating plate 3 that is coated with annular on the outer wall of barrel 2 respectively, and heating plate 3 electrically connects by lead and electric heating control system; This electric heating control system is prior art, can directly quote, be arranged on heating plate 3 quantity that every screw rod extrudes on the barrel 2 and have five, every annular heating plate 3 screw rod that is coated on is at interval extruded on barrel 2 outer walls, is provided with the controller 11 that is heated to ceiling temperature on the every annular heating plate 3; Controller 11 can directly be bought on market, also has cut-off switch on the controller 11, and when the temperature of heating plate 3 is heated in limited time, these controller 11 control heating skins cut off the power supply automatically.

Be equipped with and the bunker 4 that is connected in screw rod is extruded barrel 2 at the feed end that each screw rod is extruded barrel 2, during practical application, the stirring rod 12 that is provided with in this bunker 4 and the connecting rod 13 that links to each other with stirring rod 12, one end of connecting rod 13 links to each other with the output shaft of motor 14, the other end radially is solidly connected above-mentioned stirring rod 12, and motor 14 is installed on the top cover of bunker 4; During practical application, this stirring rod 12 has three, and these three stirring rod 12 distribute successively along the axial direction of connecting rod 13, and these three stirring rod 12 projections angle in one plane is 120 degree; The concrete syndeton of connecting rod 13 and stirring rod 12 is: offer rectangle mounting groove 13a on the outer wall of connecting rod 13, one end of described stirring rod 12 is provided with the Plug Division 12a of rectangle, and the Plug Division 12a of this stirring rod 12 pegs graft with the rectangle mounting groove 13a interference of above-mentioned connecting rod 13 and cooperates.

The discharge end of extruding barrel 2 at each screw rod is provided with stock distributor 5, and stock distributor 5 is connected with extruder head 6, is provided with the control valve 7 that each screw rod of control is extruded barrel 2 load sizes in stock distributor 5; Has a batch mixing chamber 8 in the stock distributor 5, on stock distributor 5 walls, offer two charging apertures 9 that are connected with batch mixing chamber 8 respectively, the discharge end that two above-mentioned screw rods are extruded barrel 2 is corresponding being connected on stock distributor 5 charging apertures 9 respectively, above-mentioned control valve 7 is arranged on the intersection of two charging apertures 9, also is provided with the tapping channel 10 that above-mentioned extruder head 6 is connected with batch mixing chamber 8 on stock distributor 5 walls.

Specific embodiment described herein only is that the utility model spirit is illustrated.The utility model person of ordinary skill in the field can make various modifications or replenishes or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present utility model or surmount the defined scope of appended claims.

Although this paper has used morely: support 1; Screw rod is extruded barrel 2; Heating plate 3; Bunker 4; Stock distributor 5; Extruder head 6; Control valve 7; Batch mixing chamber 8; Charging aperture 9; Tapping channel 10; Controller 11; Stirring rod 12; Plug Division 12a; Connecting rod 13; Rectangle mounting groove 13a; Motor 14; Screw rod 15; Center-pole 15a; Terms such as screw rod cover 15b, but do not get rid of the possibility of using other term.Using these terms only is in order to describe and explain essence of the present utility model more easily; They are construed to any additional restriction all is contrary with the utility model spirit.

Claims

1. moulding injection machine, comprise a support (1), support (1) is provided with several screw rods and extrudes barrel (2), each screw rod is extruded the heating plate (3) that is coated with annular on the outer wall of barrel (2) respectively, described heating plate (3) electrically connects by lead and electric heating control system, it is characterized in that, be equipped with and the bunker (4) that is connected in screw rod is extruded barrel (2) at the feed end that each screw rod is extruded barrel (2), the discharge end of extruding barrel (2) at each screw rod is provided with stock distributor (5), described stock distributor (5) is connected with extruder head (6), is provided with the control valve (7) that each screw rod of control is extruded barrel (2) load size in stock distributor (5).

2. moulding injection machine according to claim 1 is characterized in that, described screw rod is extruded barrel (2) quantity and had two, and these two screw rods are extruded barrel (2) and vertically are installed in mutually on the support (1).

3. moulding injection machine according to claim 2, it is characterized in that, has a batch mixing chamber (8) in the described stock distributor (5), on stock distributor (5) wall, offer two charging apertures (9) that are connected with batch mixing chamber (8) respectively, the discharge end that two above-mentioned screw rods are extruded barrel (2) is corresponding being connected on stock distributor (5) charging aperture (9) respectively, above-mentioned control valve (7) is arranged on the intersection of two charging apertures (9), also is provided with the tapping channel (10) that above-mentioned extruder head (6) is connected with batch mixing chamber (8) on stock distributor (5) wall.

4. moulding injection machine according to claim 1, it is characterized in that, be arranged on heating plate (3) quantity that every screw rod extrudes on the barrel (2) and have five, every annular heating plate (3) screw rod that is coated on is at interval extruded on barrel (2) outer wall, is provided with the controller (11) that is heated to ceiling temperature on the every annular heating plate (3).

5. moulding injection machine according to claim 1, it is characterized in that, be provided with stirring rod (12) and the connecting rod (13) that links to each other with stirring rod (12) in the described bunker (4), one end of connecting rod (13) links to each other with the output shaft of motor (14), the other end radially is solidly connected above-mentioned stirring rod (12), and motor (14) is installed on the top cover of bunker (4).

6. moulding injection machine according to claim 5, it is characterized in that, described stirring rod (12) has three, and these three stirring rod (12) distribute successively along the axial direction of connecting rod (13), and this three stirring rod (12) projection angle in one plane is 120 degree.

7. moulding injection machine according to claim 6, it is characterized in that, offer rectangle mounting groove (13a) on the outer wall of described connecting rod (13), one end of described stirring rod (12) is provided with the Plug Division (12a) of rectangle, pegs graft with rectangle mounting groove (13a) interference of above-mentioned connecting rod (13) and cooperate in the Plug Division (12a) of this stirring rod (12).

8. moulding injection machine according to claim 1, it is characterized in that, the screw rod (15) that described screw rod is extruded in the barrel (2) is split-type structural, and this screw rod (15) comprises center-pole (15a), is arranged with some sections screw rod covers (15b) at center-pole (15a).

9. moulding injection machine according to claim 8 is characterized in that, described screw rod cover (15b) quantity arranges five sections, and every section screw rod cover (15b) all is distributed on the above-mentioned center-pole (15a).

10. moulding injection machine according to claim 9, it is characterized in that, offer keyway on the described center-pole (15a), the inwall of described screw rod (15) cover is provided with the key tooth that matches with above-mentioned center-pole (15a) keyway, and described screw rod cover (15b) matches with keyway by described key tooth and is fixed on the above-mentioned center-pole (15a).