CN204525928U - The energy-conservation injection moulding machine of a kind of electric-hydraulic combined formula ultrahigh speed - Google Patents

The energy-conservation injection moulding machine of a kind of electric-hydraulic combined formula ultrahigh speed Download PDF

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Publication number
CN204525928U
CN204525928U CN201520237563.2U CN201520237563U CN204525928U CN 204525928 U CN204525928 U CN 204525928U CN 201520237563 U CN201520237563 U CN 201520237563U CN 204525928 U CN204525928 U CN 204525928U
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China
Prior art keywords
injection
balancing spring
back seat
nut
feed screw
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Expired - Fee Related
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CN201520237563.2U
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Chinese (zh)
Inventor
谢鹏程
张君青
焦志伟
谭晶
阎华�
丁玉梅
杨卫民
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Beijing University of Chemical Technology
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Beijing University of Chemical Technology
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Abstract

The utility model discloses the energy-conservation injection moulding machine of a kind of electric-hydraulic combined formula ultrahigh speed, primarily of injection mechanism, plastifying organization, clamping and frame composition, injection mechanism comprises injecting motor, injection Timing Belt, feed screw nut, screw mandrel, balancing spring, penetrates platform back seat, penetrates platform front stall, injection pull bar, nut bracket, shaft coupling, screw rod and seat move oil cylinder; Described screw rod, shaft coupling, feed screw nut, screw mandrel, balancing spring, be connected in turn on same axis, leading screw is through feed screw nut, balancing spring and penetrate platform back seat, balancing spring one end acts on to be penetrated on platform back seat, and the other end acts on feed screw nut, increases screw rod thrust during injection.The utility model adopts balancing spring auxiliary injection, realizes the ultrahigh speed injection of common low-power machine.Matched moulds part adopts novel two-plate type mould clamping mechanism, simplifies system architecture, and shifting formwork and locked mode action adopt different oil cylinder respectively, solves the relation of power and speed, locked mode excellent, processability stability are high.

Description

The energy-conservation injection moulding machine of a kind of electric-hydraulic combined formula ultrahigh speed
Technical field
The utility model relates to a kind of injection molding apparatus, particularly relates to a kind of electric-hydraulic combined formula ultrahigh speed injection molding apparatus.
Background technology
Injection moulding is a kind of important means of plastic shaping, not only can produce baroque goods, and precision is high, beautiful design, production efficiency are high, and the market demand is wide.In recent years, along with the raising of processing of high molecular material forming technique, high accuracy, super-thin plastic goods have been widely used in the fields such as 3C Product, medicine equipment, automobile, optics.For meeting forming requirements that is ultralight, ultra-thin, ultraprecise plastic products, develop the focus that the injection molding apparatus with superelevation injection speed has become Injection Industry.
Ultra-speed precise injection moulding proposes rigors to clamping and injection mechanism.With regard to clamping; compared to conventional hydraulic type injection machine; full electric injection molding machine has the advantage such as energy-conservation, clean environment firendly, efficient, precision, high speed; but existing full electric injection molding machine realizes die sinking and locked mode with elbow-bar mechanism substantially; during locked mode; ball-screw needs to bear very large locked mode pressure, and long-term work easily causes the damage of ball-screw to lose efficacy.Novel internal circulation two-plate type mould clamping mechanism more and more comes into one's own because of its powerful clamp force, stable exercise performance and good energy conservation characteristic thereof.With regard to injection mechanism, for realizing ultrahigh speed injection, original adoption is equipped with jumbo external accumulator and huge discharge hydraulic pump, and the energy discharged by accumulator realizes ultrahigh speed injection.But hydraulic pressure ultrahigh speed injection machine has the shortcomings such as energy consumption is large, volume is large, response speed is low.Along with the development of electric injection machine technology, occurred the full electric injection molding machine driving injection screw motion with high-power linear electric motors, this type motor has very high injection moulding speed, but its cost is high, constrains its development.
Patent CN 103182769A discloses a kind of bi-motor injecting mechanism, utilizes bi-motor to act on simultaneously, reduces the rigors to single injecting motor, the cost of reduction equipment, solve the difficult problems such as existing weaponry and equipment energy consumption is large, speed-raising is difficult, but the net synchronization capability of two motors is poor, constrains its development.
Utility model content
The energy-conservation injection moulding machine of one of the present utility model electric-hydraulic combined formula ultrahigh speed, is driven the injection mechanism of ball-screw, realizes ultra-speed precise injection moulding by novel two-plate type mould clamping mechanism and balancing spring auxiliary servo motor.The purpose of this utility model solves existing injection machine energy consumption greatly, and injection speed is by the technical barrier of servomotor restriction.There is provided a kind of mold clamping force to stablize, template exercise performance is excellent, the electric-hydraulic combined formula energy-saving injection molding machine that injection speed significantly promotes.
For achieving the above object, the utility model by the following technical solutions: the energy-conservation injection moulding machine of a kind of electric-hydraulic combined formula ultrahigh speed, forms primarily of injection mechanism, plastifying organization, clamping and frame.Described injection mechanism, plastifying organization and clamping are arranged in frame, and described plastifying organization is identical with conventional injection molding machine, comprise plasticizing motor, plasticizing Timing Belt, screw rod, hopper and machine barrel; Described injection mechanism comprises injecting motor, injection Timing Belt, feed screw nut, screw mandrel, balancing spring, penetrates platform back seat, penetrates platform front stall, injection pull bar, nut bracket, shaft coupling, screw rod and seat move oil cylinder, described penetrate platform front stall with penetrate platform back seat be connected by four injection pull bars, fixing, be arranged on rail plate, and can along slide; Described screw rod, shaft coupling, feed screw nut, screw mandrel, balancing spring, be connected in turn on same axis, leading screw is through feed screw nut, balancing spring and penetrate platform back seat, the rotary motion of leading screw is converted to the rectilinear motion of feed screw nut, balancing spring one end acts on to be penetrated on platform back seat, the other end acts on feed screw nut, increases screw rod thrust during injection; Described nut bracket is being penetrated platform front stall and is being penetrated along the slip of injection pull bar between platform back seat, and feed screw nut is fixed on nut bracket; Described injecting motor is arranged on to be penetrated on platform back seat, drives leading screw rotary motion by synchronous pulley; Described seat moves oil cylinder and is fixed in frame, and seat moves cylinder rod connection and penetrates platform front stall driving injection seat along guide rail movement.
The energy-conservation injection moulding machine of a kind of electric-hydraulic combined formula ultrahigh speed of the utility model, described clamping comprises die cylinder, mould shifting oil cylinder, combined floodgate oil cylinder, enclasp device, solid plate, moving platen and matched moulds pull bar, described solid plate is fixed in frame, and moving platen to be arranged on rail plate and along slide; Described matched moulds pull bar is through moving platen, solid plate and enclasp device; Described die cylinder is fixed on solid plate, and die cylinder bar connects matched moulds pull bar; Described combined floodgate oil cylinder is fixed on moving platen, connects enclasp device; Described mould shifting oil cylinder is fixed on moving platen, and mould shifting oil cylinder bar connects moving platen, realizes rapid mould-moving.
The energy-conservation injection moulding machine of a kind of electric-hydraulic combined formula ultrahigh speed of the utility model, described balancing spring is in compressive state all the time, pressure acts on penetrates platform back seat (or frame) with on feed screw nut, after spring force partial equilibrium screw front end melt resistance, the injecting motor of equal-wattage is by changing gearratio to increase injection speed.
The beneficial effects of the utility model are, compared with prior art, injection portion is the outside accumulator of Structure of need complexity, linear electric motors with high costs or the unmanageable bi-motor of synchronism not, and adopt that structure is simple, the balancing spring auxiliary injection of adjustable thrust, realize the ultrahigh speed injection of common low-power machine.Matched moulds part adopts novel two-plate type mould clamping mechanism, saves a large amount of energy consumption compared with direct press type.Save the cyclic process of hydraulic oil compared with inside and outside circulation two-plate type mould clamping mechanism, simplify system architecture; Shifting formwork and locked mode action adopt different oil cylinder respectively, solve the relation of power and speed, locked mode excellent, processability stability are high.
Accompanying drawing explanation
Fig. 1 is the schematic front view of the energy-conservation injection moulding machine of a kind of electric-hydraulic combined formula ultrahigh speed of the utility model.
Fig. 2 is the schematic top plan view of the energy-conservation injection moulding machine of a kind of electric-hydraulic combined formula ultrahigh speed of the utility model.
Fig. 3 is the schematic diagram of another embodiment of the energy-conservation injection moulding machine of a kind of electric-hydraulic combined formula ultrahigh speed of the utility model.
In figure: 1, injecting motor 2, feed screw nut 3, screw mandrel 4, balancing spring 5, injection Timing Belt 6, injection back seat 7, injection pull bar 8, guide rail 9, plasticizing motor 10, nut bracket 11, shaft coupling 12, plasticizing Timing Belt 13, screw rod 14, injection front stall 15, hopper 16, machine barrel 17, die cylinder 18, seat moves oil cylinder 19, solid plate 20, mould shifting oil cylinder 21, matched moulds pull bar 22, moving platen 23, combined floodgate oil cylinder 24, enclasp device 25, frame 26, adjustment cushion block 27, nut 28, bolt.
Detailed description of the invention
Below in conjunction with accompanying drawing, embodiment, the utility model is described in further detail.
As depicted in figs. 1 and 2, the energy-conservation injection moulding machine of a kind of electric-hydraulic combined formula ultrahigh speed forms primarily of injection mechanism, plastifying organization and clamping.Plastifying organization is identical with conventional injection molding machine, comprises plasticizing motor 9, plasticizing Timing Belt 12, screw rod 13, hopper 15 and machine barrel 16.
Injection mechanism by injecting motor 1, injection Timing Belt 5, feed screw nut 2, leading screw 3, balancing spring 4, penetrate platform back seat 6, penetrate platform front stall 14, injection pull bar 7, nut bracket 10, shaft coupling 11, screw rod 13 and seat move oil cylinder 18 and form.Penetrate platform front stall 14 and penetrate platform back seat 6 and be connected by four injection pull bars 7, penetrating platform front stall 14 and penetrating platform back seat 6 is arranged on rail plate 8, and can slide along rail plate 8, nut bracket 10 penetrate platform front stall 14 and penetrate between platform back seat 6 along injection pull bar 7 slide, feed screw nut 2 is fixed on nut bracket 10.Screw rod 13, shaft coupling 11, feed screw nut 2, leading screw 3 and balancing spring 4 are connected in turn on same axis, leading screw 3 is through feed screw nut 2, balancing spring 4 and penetrate platform back seat 6, injecting motor 1 is arranged on to be penetrated on platform back seat 6, by the rotary motion of injection Timing Belt 5 wheel belt movable wire thick stick 3, rotary motion is converted to the rectilinear motion of feed screw nut 2 by leading screw 3, feed screw nut 2 is connected by shaft coupling 11 with screw rod 13, the process implementation action of injection that feed screw nut 2 moves forward.Balancing spring 4 one end acts on to be penetrated on platform back seat 6, and the other end to act on feed screw nut 2 and is in compressive state all the time.During injection, leading screw 3 acts on the thrust acting in conjunction of thrust on feed screw nut 2 and balancing spring 4, increases screw rod 13 and injects thrust, realizes ultrahigh speed injection.As shown in Figure 2, seat moves oil cylinder 18 and is fixed in frame 25, and seat moves oil cylinder 18 bar and connects and penetrate platform front stall 14 and realize injection mechanism moving along rail plate 8.
Particularly, the resistance that the elastic force of balancing spring 4 and screw rod 13 back pressure produce is less than ball-screw 3 and acts on pulling force on feed screw nut 2, retreats to realize screw rod 13 when injecting motor 1 reverses.Screw rod 13 fallback procedures balancing spring 4 compress energy storage; Resistance suffered by balancing spring 4 Spring balanced part screw rod 13 during injection, resistance suffered by ball-screw 3 reduces, and now increases injection speed by adjustment servo motor transmission ratio.
As shown in Figure 1, clamping comprises die cylinder 17, mould shifting oil cylinder 20, combined floodgate oil cylinder 23, solid plate 19, moving platen 22 and matched moulds pull bar 21.Solid plate 19 is fixed in frame 25, and moving platen 22 to be arranged on rail plate 8 and to slide along guide rail 8, realizes die open/close movement.Die cylinder 17 is fixed on solid plate 19, and die cylinder 17 bar connects matched moulds pull bar 21; Matched moulds pull bar 21 is through moving platen 22, solid plate 19 and enclasp device 24, and during high-voltage lock mould, enclasp device 24 locked by combined floodgate oil cylinder 23, and matched moulds pull bar 21 and moving platen 22 are fixed together, die cylinder 17 hauls matched moulds pull bar 21 and realizes locked mode; During rapid mould-moving, combined floodgate oil cylinder 23 unclamps enclasp device 24, and the mould shifting oil cylinder 20 be fixed on moving platen 22 drives moving platen 22 to slide axially along matched moulds pull bar 21, realizes rapid mould-moving.
Embodiment two, as shown in Figure 3, balancing spring 4 can be symmetrically distributed in feed screw nut 2 (or nut bracket 10) and penetrate between platform back seat 6, balancing spring 4 and penetrate between platform back seat 6 increase adjustment cushion block 26, change balancing spring 4 elastic force by the adjustment of adjustment cushion block 26 displacement, the displacement of adjustment cushion block 26 penetrates bolt 28 on platform back seat 6 and nut 27 regulates by being fixed on.

Claims (5)

1. the energy-conservation injection moulding machine of electric-hydraulic combined formula ultrahigh speed, it is characterized in that: form primarily of injection mechanism, plastifying organization, clamping and frame, described injection mechanism, plastifying organization and clamping are arranged in frame, and described plastifying organization comprises plasticizing motor, plasticizing Timing Belt, screw rod, hopper and machine barrel; Described injection mechanism comprises injecting motor, injection Timing Belt, feed screw nut, screw mandrel, balancing spring, penetrates platform back seat, penetrates platform front stall, injection pull bar, nut bracket, shaft coupling, screw rod and seat move oil cylinder, described penetrate platform front stall with penetrate platform back seat be connected by four injection pull bars, fixing, be arranged on rail plate, and can along slide; Described screw rod, shaft coupling, feed screw nut, screw mandrel, balancing spring, be connected in turn on same axis, leading screw is through feed screw nut, balancing spring and penetrate platform back seat, balancing spring one end acts on to be penetrated on platform back seat, and the other end acts on feed screw nut, increases screw rod thrust during injection; Described nut bracket is being penetrated platform front stall and is being penetrated along the slip of injection pull bar between platform back seat, and feed screw nut is fixed on nut bracket; Described injecting motor is arranged on to be penetrated on platform back seat, drives leading screw rotary motion by synchronous pulley; Described seat moves oil cylinder and is fixed in frame, and seat moves cylinder rod connection and penetrates platform front stall driving injection seat along guide rail movement.
2. the energy-conservation injection moulding machine of one according to claim 1 electric-hydraulic combined formula ultrahigh speed, it is characterized in that: described clamping comprises die cylinder, mould shifting oil cylinder, combined floodgate oil cylinder, enclasp device, solid plate, moving platen and matched moulds pull bar, described solid plate is fixed in frame, and moving platen to be arranged on rail plate and along slide; Described matched moulds pull bar is through moving platen, solid plate and enclasp device; Described die cylinder is fixed on solid plate, and die cylinder bar connects matched moulds pull bar; Described combined floodgate oil cylinder is fixed on moving platen, connects enclasp device; Described mould shifting oil cylinder is fixed on moving platen, and mould shifting oil cylinder bar connects moving platen, realizes rapid mould-moving.
3. the energy-conservation injection moulding machine of one according to claim 1 electric-hydraulic combined formula ultrahigh speed, it is characterized in that: described balancing spring is in compressive state all the time, pressure acts on to be penetrated on platform back seat and feed screw nut, after spring force partial equilibrium screw front end melt resistance, the injecting motor of equal-wattage is by changing gearratio to increase injection speed.
4. the energy-conservation injection moulding machine of one according to claim 1 electric-hydraulic combined formula ultrahigh speed, it is characterized in that: described balancing spring is in compressive state all the time, pressure acts on frame and feed screw nut, after spring force partial equilibrium screw front end melt resistance, the injecting motor of equal-wattage is by changing gearratio to increase injection speed.
5. the energy-conservation injection moulding machine of one according to claim 1 electric-hydraulic combined formula ultrahigh speed, it is characterized in that: balancing spring is symmetrically distributed in feed screw nut and penetrates between platform back seat, balancing spring and penetrate between platform back seat increase adjustment cushion block, change balancing spring elastic force by the adjustment of adjustment cushion block displacement, the displacement of adjustment cushion block regulates by being fixed on the screw bolt and nut penetrated on platform back seat.
CN201520237563.2U 2015-04-20 2015-04-20 The energy-conservation injection moulding machine of a kind of electric-hydraulic combined formula ultrahigh speed Expired - Fee Related CN204525928U (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104859087A (en) * 2015-04-20 2015-08-26 北京化工大学 Electro-hydraulic compound super-speed energy-saving injection molding machine
CN107962735A (en) * 2017-11-15 2018-04-27 江苏悦达兴业汽车配件有限公司 A kind of injection-moulding device replaced easy to screw rod for auto-parts production
CN109080072A (en) * 2018-08-02 2018-12-25 海天塑机集团有限公司 A kind of injection mechanism for injection molding machine

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104859087A (en) * 2015-04-20 2015-08-26 北京化工大学 Electro-hydraulic compound super-speed energy-saving injection molding machine
CN107962735A (en) * 2017-11-15 2018-04-27 江苏悦达兴业汽车配件有限公司 A kind of injection-moulding device replaced easy to screw rod for auto-parts production
CN109080072A (en) * 2018-08-02 2018-12-25 海天塑机集团有限公司 A kind of injection mechanism for injection molding machine

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GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20150805

Termination date: 20180420