CN2931071Y - Air-actuated plastic injection machine - Google Patents
Air-actuated plastic injection machine Download PDFInfo
- Publication number
- CN2931071Y CN2931071Y CNU2005200621126U CN200520062112U CN2931071Y CN 2931071 Y CN2931071 Y CN 2931071Y CN U2005200621126 U CNU2005200621126 U CN U2005200621126U CN 200520062112 U CN200520062112 U CN 200520062112U CN 2931071 Y CN2931071 Y CN 2931071Y
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- Prior art keywords
- injection
- pneumatic
- matched moulds
- air
- move back
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/76—Measuring, controlling or regulating
- B29C45/82—Hydraulic or pneumatic circuits
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C2045/0094—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor injection moulding of small-sized articles, e.g. microarticles, ultra thin articles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/76—Measuring, controlling or regulating
- B29C45/82—Hydraulic or pneumatic circuits
- B29C2045/822—Pneumatic circuits
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
Abstract
The utility model relates to a plastic injection molding machine, in particular to a pneumatic plastic injection molding machine with minor injection volume and molding micro injection parts. The utility model aims at providing a plastic injection machine which uses compressed air as power source and increases pressure via the transfer of pneumatic air pressure and oil hydraulic pressure and bring along the mechanism working wit the implementation elements of the hydraulic cylinder; the equipment has not only the characteristics of low energy consumption of the air pneumatic system and light weight but also has the high stability and reliability of the oil hydraulic equipment. Meanwhile, the equipment is easy to operate, has higher working efficiency and can be specially used for injecting the product with minor injection volume. The technical concept is: pneumatic plastic injection molding machine, which comprises a rack, a chute, an electrical control mechanism, a rubber-injecting/bar withdrawing mechanism, a mold-opening/clamping mechanism. The utility model is characterized in that it also comprises an air inlet valve and a filter; the rubber-injecting /bar withdrawing mechanism and the mold-opening/clamping mechanism are a pneumatic rubber-injecting/bar withdrawing mechanism and a pneumatic mold-opening/clamping mechanism.
Description
Technical field:
The utility model relates to injection machine, and especially a kind of shot is less, the air-actuated plastic injection machine of moulding micro moulding product.
Background technology:
Along with the fast development of electronics and mechanics of communication, various plastic cement partly are the electronic product of little shot, as IC encapsulation or electronic apparatus accessory product, various end plug-in unit or connector by wilderness demand.But the power source of common hydraulic injection molding machine is electric power normally, drives the hydraulic circuit transferring power by the motor power of concentrating or each action disperses; During with interior product, common injection machine makes small shot product can't reach the formed precision requirement because the oil pressure inertial impact force is big at injection mo(u)lding shot 15 gram, and, the common hydraulic injection molding machine equipment funds of separate unit input is many, and there is the low load with strong power phenomenon in inefficiency; In addition, use the common injection machine that all-pass is crossed hydraulic way work, floor space is big, and noise height, equipment use cooling water amount also big.To use minimum model 150 types of common injection machine to be example, equipment dynamic drive motors power is 2.2KW/380V, electrical heating power 2KW, power consumption is 4.2KW altogether, and the equipment noise is at 65dB, cooling water amount 400 to 600 liters, and, when being exclusively used in the small shot product of injection moulding, equipment can't miniaturization, can not produce the Table top type slimline injection machine of weight at 250KG.
Summary of the invention:
At the use defective of above-mentioned existence, the purpose of this utility model is to provide a kind of air-actuated plastic injection machine, and it as power source, by the conversion of air pressure and oil pressure and the supercharging of oil pressure, is the work of executive component lead agency with the oil hydraulic cylinder with compressed air at last; This kind equipment had both had the low energy expenditure of pneumatic system, and the characteristics of equipment lightness, possess the high stability and the reliability of oil pressure unit again, and equipment was simple to operate, and operating efficiency is higher, can be specifically designed to the little shot product of injection moulding.
For achieving the above object, the utility model adopts following design:
Air-actuated plastic injection machine comprises frame, hopper, electrical control mechanism, injection/move back linkage, opens/clamping, it is characterized in that, also comprises intake valve, filter; Described injection/move back linkage and opening/clamping is pneumatic injection/move back linkage and pneumatic opening/clamping;
Described intake valve is with described filter integrated setting; Described filter comprises discharge structure spare, steady pneumatic structure spare, repairing lubrication system spare originally as the three-in-one formula filter of functional structure;
Described pneumatic injection/move back linkage comprises pneumatic injection mechanism and moves back the bar pneumatic mechanism;
Described pneumatic injection mechanism comprises pneumatic injection branch road, gun barrel; Described pneumatic injection branch road, pass order and work-based logic according to the flowing through of power gas source, pressure oil, comprise injection/move back bar air-operated solenoid valve in turn, injection is adjusted valve, moves back the bar rapid escape valve, the injection airdraulic actuator, the injection pressurized cylinder, injection/move back bar pilot operated valve device, injection/move back bar is carried out and is penetrated cylinder, the injection rapid escape valve, the injection plunger rod;
The described bar pneumatic mechanism that moves back, comprise the pneumatic bar branch road that moves back, the described pneumatic bar branch road that moves back, pass order and work-based logic according to the flowing through of power gas source, pressure oil, comprising in turn that injection/move back bar air-operated solenoid valve, injection rapid escape valve, plunger rod, injection/move back bar is carried out penetrates cylinder, injection pressurized cylinder, injection/move back bar pilot operated valve device, the injection airdraulic actuator, moves back the bar rapid escape valve;
Described pneumatic opening/clamping comprises pneumatic clamping and pneumatic die opening mechanism;
Described pneumatic clamping comprises pneumatic matched moulds branch road and penetrates than fixed mount described pneumatic matched moulds branch road, pass order and work-based logic according to the flowing through of power gas source, pressure oil, comprise in turn, drive/the matched moulds air-operated solenoid valve die sinking rapid escape valve, the matched moulds airdraulic actuator, the matched moulds pressurized cylinder is opened/the matched moulds pilot operated valve device, opens/matched moulds execution cylinder, the matched moulds rapid escape valve, piston rod;
Described pneumatic die opening mechanism, comprise pneumatic die sinking branch road, described pneumatic die sinking branch road comprises the pass order and the work-based logic of the flowing through of power gas source, pressure oil, comprise out in turn/the matched moulds air-operated solenoid valve, the matched moulds rapid escape valve, piston rod is opened/matched moulds execution cylinder, the matched moulds pressurized cylinder, drive/the matched moulds pilot operated valve device matched moulds airdraulic actuator, die sinking rapid escape valve;
Injection by separately of described pneumatic injection/move back bar branch road and pneumatic opening/matched moulds branch road/move back the bar air-operated solenoid valve, open/parallel connection of matched moulds air-operated solenoid valve after the parallel connection, through filter, by intake valve, connects pneumatic compression air source; Injection by separately/move back the bar pilot operated valve device, open/the shared repairing kettle of matched moulds pilot operated valve device.
Described injection airdraulic actuator (28), matched moulds airdraulic actuator (17) can all be set to powered compressor air cylinder part, pressure conversion oil cylinder part can be designed to zero, directly be connected, realize the gas-liquid pressure conversion with pressure oil wherein with pairing injection pressurized cylinder (29), matched moulds pressurized cylinder (18).
Described gun barrel (213), the top of its gun barrel die cavity (2132) and plunger rod (212) precision-fit, form plunger type injection structure, the middle and lower part of gun barrel die cavity (2132) is equipped with spinning screw rod (2135), form by spinning screw rod (2135) under pressure spinning to the structure of molten plastic colloidal sol, exhaust and injection moulding.
The utility model compared with prior art, described air-actuated plastic injection machine is owing to adopt specific gas-liquid transmission system, the advantage that is possessed is:
1, can provide power gas source by a center air compression pump is concentrated, drive many air-actuated plastic injection machines and work simultaneously, therefore, injection-moulding device can be designed to small size and lightness, even can be made into the type of desktop type; And the equipment operating noise is low, environmental pollution is little; Multiple devices can in parallelly use central power gas source, to save production site, are convenient to the production of scale flowing water, are convenient to the centralized management and the maintenance of each equipment; Therefore, be particularly suitable for of the grafting accessory product in enormous quantities injection moulding production of ejaculation amount less than field products such as 15 audiovisual that restrain, communication, networks.
2, the equipment use cost is low; Ability consumption of power source of the gas when the characteristics of pneumatic equipment are action, unpowered energy consumption when stopping, do not exist common hydraulic injection molding machine when being failure to actuate, the open circuit loss that power motor still rotates, simultaneously, because the equipment working method is the pneumatic injection moulding of miniaturization, does not have the phenomenon of low load with strong power, so energy-conservation; Because the circulatory system of the particularly pneumatic Table top type injection machine of miniaturization need not water-cooled, only need water cooling is carried out on gun barrel top, so cooling water amount is little.
3, equipment controllable pressure scope is big, and the injection pressure that is convenient to different product is regulated.
Another improvements of the present utility model are, owing to adopt the structure of plunger type extruding plastic injection, the rotatable screw rod run gum of built-in spin, exhaust, last injection moulding in the gun barrel of air-actuated plastic injection machine, eliminated restricted to injection machine of injection moulding compression ratio and back pressure, made injection machine wide the adaptive range of pressure; During shaped article, can not produce flow liner, shrink phenomenon, compare with traditional hydraulic pressure screw gun barrel, it is better to have an exhaust performance, plastify more abundant, the better advantage of formed product; Simultaneously, because the gun barrel screw rod has compression ratio restriction, the discoloration problem when having solved nontoxic, environmentally-friendly plastic moulding, compression ratio is to the puzzlement of equipment when having eliminated the engineering plastics moulding.
Description of drawings:
Fig. 1 is the pneumatic workpiece of the utility model air-actuated plastic injection machine, and connection diagram;
Fig. 2 is the front view of the vertical air-actuated plastic injection machine of the utility model;
Fig. 3 is the partial sectional view of the inside pneumatic structure of Fig. 2 line of vision;
Fig. 4 opens/matched moulds for about the vertical air-actuated plastic injection machine Vertical Rack of the utility model front end
Carry out cylinder to drive the injection assembly by the injection fixed mount and open/structural representation of matched moulds;
Fig. 5 is the left view of the vertical air-actuated plastic injection machine of the utility model;
Fig. 6 is the structure cutaway view of vertical air-actuated plastic injection machine plunger rod of the utility model and gun barrel cooperating;
Fig. 7 is the rearview of the inner pneumatic structure of the vertical air-actuated plastic injection machine of the utility model;
Fig. 8 is the pneumatic internal structure vertical view of the vertical air-actuated plastic injection machine of the utility model;
The accompanying drawing sign:
The specific embodiment:
Be example with vertical air-actuated plastic injection machine below,, the specific implementation of air-actuated plastic injection machine be described in detail in conjunction with pneumatic workpiece connection diagram of the utility model air-actuated plastic injection machine and embodiment accompanying drawing;
Fig. 1 is the pneumatic workpiece of the utility model air-actuated plastic injection machine, and connection diagram, and the pneumatic formation of described vertical air-actuated plastic injection machine equally as shown in Figure 1, comprises intake valve 30, filter 3, pneumatic moving injection/move back bar branch road, pneumatic opening/matched moulds branch road.
Described intake valve 30, input as power gas source, enters filter 3 by the powered compressor air of center air pumping plant 001 through pumping into after preliminary filtration, voltage stabilizing and the drying; Described filter 3 is 3 unification formula filters, comprises drain function spare 31, steady air pressure function spare 32, makeup oil lubricating function part 33; It can filter the airborne moisture of the powered compressor of being imported, dust, and it is lubricated by outputting power compressed air follow-up gas circuit components and parts to be carried out repairing.
Described pneumatic injection/move back the bar branch road comprises pneumatic injection branch road and moves back the bar pneumatic branch;
Described pneumatic injection branch road, pass order and work-based logic according to the flowing through of power gas source, pressure oil comprise in turn, injection/move back bar air-operated solenoid valve 25, penetrate to press and adjust valve 26, move back bar rapid escape valve 27, penetrate the hydraulic coupling conversion cylinder 28 of calming the anger, injection pressurized cylinder 29, injection/move back bar pilot operated valve device 210, injection/move back the bar execution to penetrate cylinder 211, injection rapid escape valve 214, injection plunger rod 212.
The described bar pneumatic branch that moves back comprises injection/move back bar air-operated solenoid valve 25, injection rapid escape valve 214, injection plunger rod 212, injection/move back the bar execution to penetrate cylinder 211, injection pressurized cylinder 29, injection/move back bar pilot operated valve device 210 is penetrated the hydraulic coupling conversion cylinder 28 of calming the anger, and moves back bar rapid escape valve 27.
Described pneumatic opening/matched moulds branch road, it comprises matched moulds pneumatic branch and die sinking pneumatic branch;
Described matched moulds pneumatic branch, pass order and work-based logic according to the flowing through of power gas source, pressure oil, comprise in turn, open/matched moulds air-operated solenoid valve 15 die sinking rapid escape valve 16, matched moulds airdraulic actuator 17, matched moulds pressurized cylinder 18, open/matched moulds pilot operated valve device 19, open/matched moulds execution cylinder 110 piston rod 111.
Described die sinking pneumatic branch comprises out/matched moulds air-operated solenoid valve 15, matched moulds rapid escape valve 112, and piston rod 111 is opened/matched moulds execution cylinder 110, and matched moulds pressurized cylinder 18 is opened/matched moulds pilot operated valve device 19, matched moulds airdraulic actuator 17, die sinking rapid escape valve 16.
Described pneumatic injection/move back bar branch road and pneumatic opening/matched moulds branch road are by each self-corresponding injection/move back bar air-operated solenoid valve 25, open/15 parallel connections of matched moulds air-operated solenoid valve, after the parallel connection, through filter 3, by intake valve 30, the power gas source of input center air pumping plant 001; By each self-corresponding injection/move back bar pilot operated valve device 210, open/matched moulds pilot operated valve device 19 shared repairing kettles 4, so that each corresponding injection pressurizing cylinder 29, matched moulds pressurizing cylinder 18 carry out the oil-filled of hydraulic working oil character and return storage in bar branch road and the pneumatic opening/matched moulds branch road to pneumatic injection/move back.
Fig. 2 is the front view of the vertical air-actuated plastic injection machine of the utility model; Fig. 3 is the inside pneumatic structure partial sectional view of Fig. 2 line of vision; Fig. 4 opens about the Vertical Rack front end for the utility model vertical injection molding machine/and matched moulds carries out cylinder and drives the injection assembly and opens/structural representation of matched moulds; Fig. 5 is the left view of the vertical air-actuated plastic injection machine of the utility model; Fig. 6 is the structure cutaway view of vertical air-actuated plastic injection machine plunger rod of the utility model and gun barrel cooperating; Fig. 7 is the inner pneumatic structure rearview of the vertical air-actuated plastic injection machine of the utility model; The pneumatic internal structure vertical view of the vertical air-actuated plastic injection machine of Fig. 8 the utility model.
Described vertical air-actuated plastic injection machine, its global design mainly comprises Vertical Rack 100, hopper 101, electrical control mechanism 2, powered compressor air inlet valve 30, filter 3, pneumatic injection/move back linkage and pneumatic opening/clamping.
Described pneumatic injection/move back linkage comprises pneumatic injection mechanism and moves back the bar pneumatic mechanism;
Described pneumatic injection mechanism comprises described pneumatic injection branch road, gun barrel 213; The described bar pneumatic mechanism that moves back comprises the pneumatic bar branch road that moves back.
Described pneumatic opening/clamping comprises pneumatic clamping and pneumatic die opening mechanism;
Described pneumatic clamping comprises described pneumatic matched moulds branch road, injection fixed mount 113; Described pneumatic die opening mechanism comprises described pneumatic die sinking branch road.
Shown in Fig. 2,3,4,5, Vertical Rack 100 body front ends are provided with hopper 101, are provided with left and right sides stationary cylinder seat 102 after the hopper 101, and stationary cylinder seat 102 supports 1021 by the inclined-plane and connects; About installing, opens left and right sides stationary cylinder seat 102/matched moulds execution cylinder 110; About open/piston rod 111 that matched moulds is carried out cylinder fixedlys connected with penetrating than fixed mount 113, penetrates the injection assembly of penetrating cylinder 211, plunger rod 212, gun barrel 213 compositions than fixed mount 113 fixed installations; Vertical Rack 100 body left end side are provided with intake valve 30, filter 3, wherein, intake valve 30 and filter 3 integrated setting; Intake valve 30 inputs are by the powered compressor air of center air pumping plant 001 through preliminary treatment; The bottom righthand side of Vertical Rack 100 is provided with electrical control mechanism 2, and the end face of Vertical Rack 100 is provided with the pressure regulator valve 26 in the pneumatic injection branch road, repairing kettle 4.
As shown in Figure 6, described gun barrel 213 comprises gun barrel body 2131, gun barrel die cavity 2132, spinning screw rod 2135; The top of described gun barrel body 2131 is provided with and feeding mouth 2133, and the bottom is provided with annotates mouth 2134, and the middle and lower part is buried calandria (not shown) underground; Described gun barrel die cavity 2132 tops and plunger rod 212 precision-fit, the middle and lower part is equipped with spinning screw rod 2135; The high-temperature fusion plastics 2130 that fallen into, treat gun barrel 213 heating by hopper 101 through feeding mouth 2133 are filled in space between described gun barrel die cavity 2132, plunger rod 212, the spinning screw rod 2135; As Fig. 6 state, annotate stopper rod 212 extruding high-temperature fusion plastics 2130, high-temperature fusion plastics 2130 pass to pressure the screw inclined plane of spinning screw rod 2135, impel spinning screw rod 2135 in gun barrel die cavity 2132, to rotate, to high-temperature fusion plastics 2130 further push, exhaust, at last, inject mold cavity by annotating mouth 2134; After annotating stopper rod 212 feeding mouth 2133 of implementing to move back the bar, plastics are pan feeding again.
Shown in Fig. 7,8, the positioned inside of Vertical Rack 100 has pneumatic injection/move back other Pneumatic component of linkage and pneumatic opening/clamping; Make progress by the bottom, comprise successively, open/matched moulds air-operated solenoid valve 15, injection/move back bar air-operated solenoid valve 25; Described two air-operated solenoid valves are wrapped up with noise reduction by noise reduction sponge 51.Matched moulds pressurized cylinder 18, injection pressurized cylinder 29; Described matched moulds pressurized cylinder 18 with about open/matched moulds carries out cylinder 110 oil pressures such as grade and is communicated with, described injection pressurized cylinder 29 and injection/move back bar execution cylinder 211 oil pressures such as grade to be communicated with.Open/matched moulds pilot operated valve device 19 injection/move back bar pilot operated valve device 210; Described two pilot operated valve device are passed through repairing kettle connecting leg 41 separately, are communicated with repairing kettle 4.Matched moulds airdraulic actuator 17, injection airdraulic actuator 28; Described two airdraulic actuators all are designed to powered compressor air cylinder part, and pressure conversion oil cylinder partial design is zero, directly with pairing pressurized cylinder in pressure oil realize the gas-liquid pressure conversion.Die sinking rapid escape valve 16 moves back bar rapid escape valve 27; At described die sinking rapid escape valve 16, move back bar rapid escape valve 27 anterior correspondences and be mounted with matched moulds rapid escape valve 112, injection rapid escape valve 214; Described rapid escape valve is by noise reduction sponge 52 parcels.
Subordinate list 1 is that the vertical air-actuated plastic injection machine of LSQ-150 is contrasted table with the parameter of the most small-sized hydraulic injection molding machine LS-150, contrast and to learn by the parameter of subordinate list 1, when the workpiece of the little injection volume of injection moulding, the every injection parameters and the power consumption values of air-actuated plastic injection machine obviously are better than common injection machine.
It is to the greatest extent example of the present utility model that above structure is described; can not limit as the protection domain that the pneumatic formation of the utility model air-actuated plastic injection machine, structure are implemented; obviously; concerning the technical staff of this professional domain; do not breaking away under aim of the present utility model and the category situation; multiple modification or the replacement made all should be regarded of the present utility model containing in the scope of lid as.
The vertical air-actuated plastic injection machine of subordinate list 1:LSQ-150 is contrasted table with the parameter of the most small-sized hydraulic injection molding machine LS-150:
| LSQ-150 | LS-150 | |
| Ejaculation amount g | 10 | 45 |
| Screw diameter mm | φ22 | φ20、φ24、φ28 |
| Material mouth pressure T | 3-5 | 2.6 |
| Locked mode pressure T | 3-5 | 15 |
| Injection pressure T | 0-2.5 | |
| Template size mmm | 300×390 | 450×310 |
| Mould intercolumniation mm | Do not have | 250 |
| Opening stroke mm | 50 | 180 |
| The thick mm of minimum modulus | 35 | 40 |
| Power of motor KW | Do not have | 2.2 |
| Electric thermal power KW | 1 | 2 |
| Machine weight KG | 200 | 700 |
| Machine dimensions mm | 390×640×850 | 1250×830×2200 |
Claims (3)
1, a kind of air-actuated plastic injection machine comprises frame (100), hopper (101), electrical control mechanism (2), injection/move back linkage, opens/clamping, it is characterized in that, also comprises intake valve (30), filter (3); Described injection/move back linkage and opening/clamping is pneumatic injection/move back linkage and pneumatic opening/clamping;
Described intake valve (30) is with described filter (3) integrated setting; Described filter (3) comprises discharge structure spare (31), steady pneumatic structure spare (32), repairing lubrication system spare (33) originally as the three-in-one formula filter of functional structure;
Described pneumatic injection/move back linkage comprises pneumatic injection mechanism and moves back the bar pneumatic mechanism;
Described pneumatic injection mechanism comprises pneumatic injection branch road, gun barrel (213); Described pneumatic injection branch road, pass order and work-based logic according to the flowing through of power gas source, pressure oil, comprise injection/move back bar air-operated solenoid valve (25) in turn, injection is adjusted valve (26), moves back bar rapid escape valve (27), injection airdraulic actuator (28), injection pressurized cylinder (29), injection/move back bar pilot operated valve device (210), injection/move back bar is carried out and is penetrated cylinder (211), injection rapid escape valve (214), injection plunger rod (212);
The described bar pneumatic mechanism that moves back, comprise the pneumatic bar branch road that moves back, the described pneumatic bar branch road that moves back, pass order and work-based logic according to the flowing through of power gas source, pressure oil, comprising in turn that injection/move back bar air-operated solenoid valve (25), injection rapid escape valve (214), plunger rod (212), injection/move back bar is carried out penetrates cylinder (211), injection pressurized cylinder (29), injection/move back bar pilot operated valve device (210), injection airdraulic actuator (28), moves back bar rapid escape valve (27);
Described pneumatic opening/clamping comprises pneumatic clamping and pneumatic die opening mechanism;
Described pneumatic clamping comprises pneumatic matched moulds branch road and penetrates than fixed mount (113) described pneumatic matched moulds branch road, pass order and work-based logic according to the flowing through of power gas source, pressure oil, comprise in turn, drive/matched moulds air-operated solenoid valve (15) die sinking rapid escape valve (16), matched moulds airdraulic actuator (17), matched moulds pressurized cylinder (18) is opened/matched moulds pilot operated valve device (19), opens/matched moulds execution cylinder (110), matched moulds rapid escape valve (112), piston rod (111);
Described pneumatic die opening mechanism, comprise pneumatic die sinking branch road, described pneumatic die sinking branch road comprises the pass order and the work-based logic of the flowing through of power gas source, pressure oil, comprise out in turn/matched moulds air-operated solenoid valve (15), matched moulds rapid escape valve (112), piston rod (111) is opened/matched moulds execution cylinder (110), matched moulds pressurized cylinder (18), drive/matched moulds pilot operated valve device (19) matched moulds airdraulic actuator (17), die sinking rapid escape valve (16);
Injection by separately of described pneumatic injection/move back bar branch road and pneumatic opening/matched moulds branch road/move back bar air-operated solenoid valve (25), open/matched moulds air-operated solenoid valve (15) parallel connection after the parallel connection, through filter (3), by intake valve (30), connects pneumatic compression air source; Injection by separately/move back bar pilot operated valve device (210), open/the shared repairing kettle of matched moulds pilot operated valve device (19) (4).
2, a kind of air-actuated plastic injection machine according to claim 1, it is characterized in that, described injection airdraulic actuator (28), matched moulds airdraulic actuator (17) can all be set to powered compressor air cylinder part, pressure conversion oil cylinder part can be designed to zero, directly be connected, realize the gas-liquid pressure conversion with pressure oil wherein with pairing injection pressurized cylinder (29), matched moulds pressurized cylinder (18).
3, a kind of air-actuated plastic injection machine according to claim 1 and 2, it is characterized in that, described gun barrel (213), the top of its gun barrel die cavity (2132) and plunger rod (212) precision-fit, form plunger type injection structure, the middle and lower part of gun barrel die cavity (2132) is equipped with spinning screw rod (2135), form by spinning screw rod (2135) under pressure spinning to the structure of molten plastic colloidal sol, exhaust and injection moulding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2005200621126U CN2931071Y (en) | 2005-08-02 | 2005-08-02 | Air-actuated plastic injection machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2005200621126U CN2931071Y (en) | 2005-08-02 | 2005-08-02 | Air-actuated plastic injection machine |
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| Publication Number | Publication Date |
|---|---|
| CN2931071Y true CN2931071Y (en) | 2007-08-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2005200621126U Expired - Fee Related CN2931071Y (en) | 2005-08-02 | 2005-08-02 | Air-actuated plastic injection machine |
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| CN (1) | CN2931071Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2261001A1 (en) * | 2008-03-03 | 2010-12-15 | The Hong Kong Polytechnic University | Vertical microinjection machine |
| CN102555178A (en) * | 2010-12-24 | 2012-07-11 | 住友重机械工业株式会社 | Injection molding machine |
| CN102555170A (en) * | 2010-10-27 | 2012-07-11 | 住友重机械工业株式会社 | Injection forming machine |
| CN102555177A (en) * | 2010-12-24 | 2012-07-11 | 住友重机械工业株式会社 | Injection molding machine |
| CN108394070A (en) * | 2018-05-04 | 2018-08-14 | 思柏精密模具注塑（无锡）有限公司 | A kind of injection mold of oil can pot lid |
-
2005
- 2005-08-02 CN CNU2005200621126U patent/CN2931071Y/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2261001A1 (en) * | 2008-03-03 | 2010-12-15 | The Hong Kong Polytechnic University | Vertical microinjection machine |
| EP2261001A4 (en) * | 2008-03-03 | 2013-04-24 | Univ Hong Kong Polytechnic | Vertical microinjection machine |
| CN102555170A (en) * | 2010-10-27 | 2012-07-11 | 住友重机械工业株式会社 | Injection forming machine |
| CN102555178A (en) * | 2010-12-24 | 2012-07-11 | 住友重机械工业株式会社 | Injection molding machine |
| CN102555177A (en) * | 2010-12-24 | 2012-07-11 | 住友重机械工业株式会社 | Injection molding machine |
| CN108394070A (en) * | 2018-05-04 | 2018-08-14 | 思柏精密模具注塑（无锡）有限公司 | A kind of injection mold of oil can pot lid |
| CN108394070B (en) * | 2018-05-04 | 2024-03-15 | 思柏精密科技股份有限公司 | Injection mold of oilcan pot lid |
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