CN102009467B - Single-motor-driven all-electric mold closing and moving system and implementation method and application thereof - Google Patents

Single-motor-driven all-electric mold closing and moving system and implementation method and application thereof Download PDF

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Publication number
CN102009467B
CN102009467B CN2010105273755A CN201010527375A CN102009467B CN 102009467 B CN102009467 B CN 102009467B CN 2010105273755 A CN2010105273755 A CN 2010105273755A CN 201010527375 A CN201010527375 A CN 201010527375A CN 102009467 B CN102009467 B CN 102009467B
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matched moulds
shifting formwork
clutch
shifting
motor
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CN102009467A (en
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黄汉雄
李为平
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South China University of Technology SCUT
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South China University of Technology SCUT
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Abstract

The invention provides a single-motor-driven all-electric mold closing and moving system. The system comprises a motor, a main coupler, a steering device, a mold closing device, a mold moving device, a support plate and a base, wherein the motor is connected with the steering device through the main coupler; the steering device is provided with a plurality of output ends and is respectively connected with the mold closing device and the mold moving device; the motor, the main coupler, the steering device and the mold closing device are connected into a whole and fixed on the support plate; and the support plate and the mold moving device are connected with each other and are arranged on the base. Meanwhile, the invention provides a single-motor-driven all-electric mold closing and moving method realized by the system. The all-electric mold closing and moving system has a compact structure and is easy to popularize and apply, the manufacturing cost and energy consumption can be reduced, materials can be saved, reliability can be improved, and the service life of the motor and a ball screw can be obviously prolonged.

Description

Single motor-driven all-electric mold closing and moving system and its implementation and application
Technical field
The present invention relates to electrodynamic type matched moulds and moving system, be particularly related to a kind of macromolecular material blowing machinery electrodynamic type matched moulds and moving system, specifically same set of motor-steering gear transmission device is realized the motor-driven all-electric mold closing of list and moving system and its implementation and the application of matched moulds and shifting formwork function.
Background technology
The general hydraulic technique that adopts of macromolecular material blowing machinery, matched moulds and shifting formwork etc. all adopt hydraulic drive.In recent years, electrodynamic type blowing machinery is developed gradually and applies.With fluid pressure type blowing machinery, compare, electrodynamic type blowing machinery has that control accuracy to closure pressing speed and stroke etc. is higher, response is very fast, energy consumption and the advantage such as noise is lower.But the structure of existing electrodynamic type blowing machinery is matched moulds and shifting formwork basically adopts separately respectively a set of electrodynamic type transmission device.Mainly there is following shortcoming in this electrodynamic type blowing machinery: (1) matched moulds and shifting formwork all need independent transmission device, and this makes huge structure and complexity, increase manufacturing cost; It is more serious that when (2) two motors drive respectively, the motor frequent start-stop can cause its heating, affects its service life, and the continuous start and stop of ball screw meeting makes its withstand shocks power and accelerated wear test.
Summary of the invention
The object of the invention is to overcome the shortcoming of above-mentioned existing electrodynamic type blowing machinery, be that matched moulds and shifting formwork need two cover transmission devices, wherein a set of motor-spindle gear is realized the matched moulds function, another set of motor-spindle gear is realized the shifting formwork function, provides a kind of a set of motor-screw rod transmission system that adopts to realize the electric device of matched moulds and shifting formwork.
Another object of the present invention is to provide a kind of all-electric mold closing of being realized by said system and the method for shifting formwork.
A further object of the present invention is to provide the application of the motor-driven all-electric mold closing of above-mentioned list and moving system.
Purpose of the present invention is achieved through the following technical solutions: the motor-driven all-electric mold closing of a kind of list and moving system comprise separate unit motor, lead spindle, steering gear, mold closing mechanism, mould shifting device, support plate and base; Described motor is connected with steering gear by lead spindle, and described steering gear has many outputs, with mold closing mechanism, with mould shifting device, is connected respectively; Described motor, lead spindle, steering gear and mold closing mechanism link into an integrated entity and are fixed on support plate, and support plate is connected and is arranged on base with mould shifting device.
Preferably, described mold closing mechanism comprises matched moulds clutch, matched moulds shaft coupling, matched moulds ball screw and nut thereof, five-rod, matched moulds line slideway, gripper shoe, solid plate, moving platen, left half mold and right half mold; Described matched moulds clutch is connected with steering gear, and the matched moulds clutch is fixed on support plate, and the output of matched moulds clutch is connected with the matched moulds ball screw by the matched moulds shaft coupling; The matched moulds ball screw is through gripper shoe, and the nut of matched moulds ball screw is connected with five-rod; The left end of five-rod is fixed on gripper shoe, and right-hand member is fixed on the moving platen left side; Left half mold is arranged on the moving platen right side, and right half mold is arranged on the left side of solid plate, and moving platen can move back and forth on the matched moulds line slideway.
Preferably, described mould shifting device comprises shifting formwork clutch, driving member, shifting formwork ball screw and nut thereof, taper roll bearing, shifting formwork installing plate, shifting formwork line slideway; Described shifting formwork clutch is connected with steering gear, and the shifting formwork clutch is fixed on installing plate, and the output of shifting formwork clutch is connected with driving member; One end of shifting formwork ball screw is fixed by the taper roll bearing be arranged on support plate, and the other end is through the shifting formwork installing plate, and the nut of shifting formwork ball screw is fixed on the shifting formwork installing plate, and the shifting formwork installing plate is bolted on base.
Described driving member can be toothed belt transmission assembly, gear-driven assembly or chain gear transmission assembly.
Described toothed belt transmission assembly comprises Timing Belt, driving pulley, driven pulley, and driving pulley is connected with driven pulley by Timing Belt.
Described steering gear can be the spiral bevel gear transmission case, has two outputs; Or, for thering is the steering gear of three outputs, connect two cover matched moulds and mould shifting devices simultaneously, realize double folding mould.
Described motor is servomotor; When control accuracy is less demanding, also available common electric machine substitutes servomotor.
A kind of all-electric mold closing that utilizes said system to realize and the method for shifting formwork, mainly comprise the steps: that (1) starter motor is rotated in the forward it, the energising of matched moulds clutch, make matched moulds ball screw forward, five-rod drives moving platen and moves to the solid plate direction, the left and right mold halves is adjacent to mutually, and and then matched moulds clutch outage, complete matched moulds and locked mode step; (2) shifting formwork clutch energising, drive shifting formwork ball screw forward, and mould shifting device is moved to preform blowup station direction, after arriving the inflation station, and the outage of shifting formwork clutch, motor stalling, complete the shifting formwork step; (3) starter motor makes its reversion, the energising of matched moulds clutch, and the reversion of matched moulds ball screw, five-rod drives the moving platen die sinking, and when moving platen arrives the die sinking extreme position, the outage of matched moulds clutch, complete the die sinking step; (4) shifting formwork clutch energising, make the reversion of shifting formwork ball screw, when the drive support plate moves to the parison formation station, and the outage of shifting formwork clutch, motor stalling, complete whole molding cycle.
Described step (1) specifically can be: when moving platen during in the die sinking extreme position, starter motor makes its forward, driving steering gear by lead spindle rotates, matched moulds clutch energising adhesive, the horizontal output of steering gear drives matched moulds ball screw forward by matched moulds clutch and matched moulds shaft coupling, the nut of matched moulds ball screw drives five-rod and moves, moving platen is moved to the solid plate direction, carry out matched moulds, when mold halves is adjacent to, thereby five-rod just is straightened and carries out locked mode, now matched moulds clutch outage, complete matched moulds and locked mode step.
Described step (2) specifically can be: after matched moulds and locked mode step complete, shifting formwork clutch energising adhesive, the longitudinal output end of steering gear drives the Timing Belt forward rotation by the shifting formwork clutch, Timing Belt drives shifting formwork ball screw forward, mould shifting device is moved toward preform blowup station direction, after arriving the inflation station, the outage of shifting formwork clutch, motor stalling, complete the shifting formwork step.
Described step (3) specifically can be: after the shifting formwork step completes, carry out preform blowup and goods cooling, after formed product, starter motor makes its reversion, matched moulds clutch energising adhesive, and the horizontal output of steering gear drives the reversion of matched moulds ball screw by matched moulds clutch and matched moulds shaft coupling, the nut of matched moulds ball screw drives five-rod and moves, while arriving the die sinking extreme position of moving platen, the outage of matched moulds clutch, complete the die sinking step.
Described step (4) specifically can be: after the die sinking step completes, shifting formwork clutch energising adhesive, the longitudinal output end of steering gear drives Timing Belt by the shifting formwork clutch and rotates backward, Timing Belt drives the reversion of shifting formwork ball screw, mould shifting device is moved to parison formation station direction, after arriving the parison formation station, the outage of shifting formwork clutch, motor stalling, complete the shifting formwork step.So far, complete a matched moulds-shifting formwork-die sinking-shifting formwork cycle, and can enter next course of work by above step.
Utilize the motor-driven all-electric mold closing of list of above-mentioned electric device realization and the method for shifting formwork function also following version can be arranged: not start mould shifting device, only start mold closing mechanism, complete unidirectional matched moulds locked mode step, can be used for the matched moulds process of electric injection molding machine.
The motor-driven all-electric mold closing of this list and moving system can be applicable to the processing of high molecular material moulding, as plastics blow molding and plastic injection-moulded etc.
The present invention has following advantage and effect with respect to prior art:
(1) adopt a motor to realize matched moulds and shifting formwork, thereby make system architecture simple, compact, can save material, reduce costs, control procedure is corresponding simplification also, is conducive to realize the accurate control of different directions motion.
(2) by two cover clutches, a rotating of motor can complete whole molding cycle, thereby makes that work flow is reasonable, simple to operate, reliable operation, can reach energy-saving and cost-reducing purpose.
(3) stable production process, can improve production precision and the performance of goods, the rate of reducing the number of rejects and seconds preferably.
The accompanying drawing explanation
Fig. 1 is the structural representation of the single motor-driven all-electric mold closing of the present invention and moving system.
Fig. 2 is the top view of system shown in Figure 1.
Fig. 3 is the shaft side figure of system shown in Figure 1.
Fig. 4 is the structural representation of the steering gear of system shown in Figure 1.
The specific embodiment
Below in conjunction with embodiment and accompanying drawing, the present invention is described in further detail, but embodiments of the present invention are not limited to this.
Embodiment 1
Fig. 1 to Fig. 4 shows the concrete structure of the single motor-driven all-electric mold closing of the present invention and moving system.From Fig. 1 and Fig. 2, the motor-driven all-electric mold closing of this list and moving system comprise motor 1, lead spindle 2, steering gear 3, matched moulds clutch 4, shifting formwork clutch 19, matched moulds shaft coupling 6, gripper shoe 7, moving platen 11, solid plate 14, matched moulds ball screw 8, shifting formwork ball screw 23, Timing Belt 22, support plate 16 and base 18 etc.
Described motor 1 is arranged on plate 21, the output shaft of motor 1 is connected with the input 3-1 of steering gear 3 by lead spindle 2, the horizontal output 3-2 of steering gear 3 is connected with matched moulds clutch 4, matched moulds clutch 4 is fixed on support plate 5, and the output of matched moulds clutch 4 is connected with matched moulds ball screw 8 by matched moulds shaft coupling 6; Matched moulds ball screw 8 is through gripper shoe 7, and the nut 9 of matched moulds ball screw 8 is connected with five-rod 10, and the left end of five-rod 10 is fixed on gripper shoe 7, and right-hand member is fixed on the left side of moving platen 11; Left half mold 12 is arranged on moving platen 11 right sides, and right half mold 13 is arranged on solid plate 14 left sides; During matched moulds, five-rod 10 is under the driving of matched moulds ball screw 8, and 14 directions move along matched moulds line slideway 15 to solid plate to drive moving platen 11, and left half mold 12 half mold 13 directions to the right moves; Moving platen 11 can move back and forth on matched moulds line slideway 15; Described motor 1, lead spindle 2, steering gear 3, matched moulds clutch 4, matched moulds shaft coupling 6, matched moulds ball screw 8 and nut 9 thereof, five-rod 10, matched moulds line slideway 15, gripper shoe 7, solid plate 14, moving platen 11, left half mold 12 and right half mold 13 link into an integrated entity, be fixed on support plate 16, support plate 16 can move back and forth on shifting formwork line slideway 17.
As shown in Figures 2 and 3, the longitudinal output end 3-3 of steering gear 3 is connected with shifting formwork clutch 19, and shifting formwork clutch 19 is fixed on installing plate 27, and the output shaft of shifting formwork clutch 19 is connected with driving pulley 20-1; Driven pulley 20-2 is connected with shifting formwork ball screw 23; One end of shifting formwork ball screw 23 is fixing by the taper roll bearing 26 be arranged on support plate 16, and the other end is through shifting formwork installing plate 24, and the nut 28 of shifting formwork ball screw 23 is fixed on shifting formwork installing plate 24; Shifting formwork installing plate 24 is fixed on base 18 by bolt 25.
As shown in Figure 4, steering gear 3 is spiral bevel gear transmission cases, comprises an input 3-1 and two outputs, i.e. horizontal output 3-2 and longitudinal output end 3-3.
The course of work of the motor-driven all-electric mold closing of above-mentioned list and moving system: when moving platen 11 during in the die sinking extreme position, starter motor 1 makes its forward, driving steering gear 3 by lead spindle 2 rotates, the 4 energising adhesives of matched moulds clutch, the horizontal output 3-2 of steering gear 3 drives matched moulds ball screw 8 forwards by matched moulds clutch 4 and matched moulds shaft coupling 6, the nut 9 of matched moulds ball screw 8 drives five-rod 10 and moves, moving platen 11 is moved to solid plate 14 directions, carry out matched moulds, when mold halves 12 and 13 is adjacent to, thereby five-rod 10 just is straightened and carries out locked mode, now matched moulds clutch 4 outages, complete matched moulds and locked mode step, after matched moulds and locked mode step complete, the 19 energising adhesives of shifting formwork clutch, the longitudinal output end 3-3 of steering gear 3 drives Timing Belt 22 forward rotation by shifting formwork clutch 19, Timing Belt 22 drives shifting formwork ball screw 23 forwards, mould shifting device is moved toward preform blowup station direction, after arriving the inflation station, 19 outages of shifting formwork clutch, motor 1 stall, complete the shifting formwork step, after the shifting formwork step completes, carry out preform blowup and goods cooling, after formed product, starter motor 1 makes its reversion, the 4 energising adhesives of matched moulds clutch, and the horizontal output 3-2 of steering gear 3 drives 8 reversions of matched moulds ball screw by matched moulds clutch 4 and matched moulds shaft coupling 6, the nut 9 of matched moulds ball screw 8 drives five-rod 10 and moves, while arriving the die sinking extreme position of moving platen 11,4 outages of matched moulds clutch, complete the die sinking step, after the die sinking step completes, the 19 energising adhesives of shifting formwork clutch, the longitudinal output end 3-3 of steering gear 3 drives Timing Belt 22 by shifting formwork clutch 19 and rotates backward, Timing Belt 22 drives 23 reversions of shifting formwork ball screw, mould shifting device is moved to parison formation station direction, after arriving the parison formation station, 19 outages of shifting formwork clutch, motor 1 stall, complete the shifting formwork step.So far, complete a matched moulds-shifting formwork-die sinking-shifting formwork cycle, and can enter next course of work by above step.
The motor-driven all-electric mold closing of this list and moving system can be applied to the plastics blow molding machining process preferably.
Embodiment 2
The present embodiment except following characteristics with embodiment 1: the steering gear of the motor-driven all-electric mold closing of this list and moving system has three outputs, connects two cover matched moulds and mould shifting devices simultaneously, realizes the double matched moulds.
Embodiment 3
The present embodiment except following characteristics with embodiment 1: do not start mould shifting device, only start mold closing mechanism, complete unidirectional matched moulds mode-lock operation, can be used for the matched moulds process (this process does not need shifting formwork) of electric injection molding machine.
Above-described is only preferably embodiment of the present invention, but embodiments of the present invention are not restricted to the described embodiments, and also can adopt other schemes.As steering gear can be without the spiral bevel gear transmission case, and with other a input, the transmission device of two outputs; Clutch can select two ends all with the structure of shaft extension; When control accuracy is less demanding, also can adopt common electric machine to substitute servomotor; Toothed belt transmission can use the alternate manners such as chain transmission, gear drive to substitute.Other any do not deviate from change, the modification done under Spirit Essence of the present invention and principle, substitutes, combination and simplifying, and all should be considered as equivalent substitute mode, within being included in protection scope of the present invention.

Claims (8)

1. one kind by single motor-driven system that can realize all-electric mold closing and shifting formwork function, comprises mold closing mechanism, mould shifting device and motor, it is characterized in that: also comprise lead spindle, steering gear, support plate and base; Described motor is the separate unit motor; Described motor is connected with steering gear by lead spindle, and described steering gear has many outputs, with mold closing mechanism, with mould shifting device, is connected respectively;
Described mold closing mechanism comprises matched moulds clutch, matched moulds shaft coupling, matched moulds ball screw and nut thereof, five-rod, matched moulds line slideway, gripper shoe, solid plate, moving platen, left half mold and right half mold; Described matched moulds clutch is connected with steering gear, and the matched moulds clutch is fixed on support plate, and the output of matched moulds clutch is connected with the matched moulds ball screw by the matched moulds shaft coupling; The matched moulds ball screw is through gripper shoe, and the nut of matched moulds ball screw is connected with five-rod; The left end of five-rod is fixed on gripper shoe, and right-hand member is fixed on the moving platen left side; Left half mold is arranged on the moving platen right side, and right half mold is arranged on the left side of solid plate, and moving platen can move back and forth on the matched moulds line slideway;
Described mould shifting device comprises shifting formwork clutch, driving member, shifting formwork ball screw and nut thereof, taper roll bearing, shifting formwork installing plate, shifting formwork line slideway; Described shifting formwork clutch is connected with steering gear, and the shifting formwork clutch is fixed on installing plate, and the output of shifting formwork clutch is connected with driving member; One end of shifting formwork ball screw is fixed by the taper roll bearing be arranged on support plate, and the other end is through the shifting formwork installing plate, and the nut of shifting formwork ball screw is fixed on the shifting formwork installing plate, and the shifting formwork installing plate is bolted on base; Support plate can move back and forth on the shifting formwork line slideway;
Described motor, lead spindle, steering gear and mold closing mechanism link into an integrated entity and are fixed on support plate, and support plate is connected and is arranged on base with mould shifting device.
2. according to claim 1 by single motor-driven system that can realize all-electric mold closing and shifting formwork function, it is characterized in that: described driving member is toothed belt transmission assembly, gear-driven assembly or chain gear transmission assembly.
3. according to claim 2 by single motor-driven system that can realize all-electric mold closing and shifting formwork function, it is characterized in that: described toothed belt transmission assembly comprises Timing Belt, driving pulley, driven pulley, and driving pulley is connected with driven pulley by Timing Belt.
4. according to claim 1 by single motor-driven system that can realize all-electric mold closing and shifting formwork function, it is characterized in that: described steering gear is the spiral bevel gear transmission case, has two outputs; Or, for thering is the steering gear of three outputs, connect two cover matched moulds and mould shifting devices simultaneously, realize double folding mould.
5. the method for operating of the system as claimed in claim 1, it is characterized in that comprising the steps: that (1) starter motor is rotated in the forward it, the energising of matched moulds clutch, make matched moulds ball screw forward, five-rod drives moving platen and moves to the solid plate direction, the left and right mold halves is adjacent to mutually, and and then matched moulds clutch outage, complete matched moulds and locked mode step; (2) shifting formwork clutch energising, drive shifting formwork ball screw forward, and mould shifting device is moved to preform blowup station direction, after arriving the inflation station, and the outage of shifting formwork clutch, motor stalling, complete the shifting formwork step; (3) starter motor makes its reversion, the energising of matched moulds clutch, and the reversion of matched moulds ball screw, five-rod drives the moving platen die sinking, and when moving platen arrives the die sinking extreme position, the outage of matched moulds clutch, complete the die sinking step; (4) shifting formwork clutch energising, make the reversion of shifting formwork ball screw, when the drive support plate moves to the parison formation station, and the outage of shifting formwork clutch, motor stalling, complete whole molding cycle.
6. the method for operating of system according to claim 5 is characterized in that:
Described step (1) is: when moving platen during in the die sinking extreme position, starter motor makes its forward, driving steering gear by lead spindle rotates, matched moulds clutch energising adhesive, the horizontal output of steering gear drives matched moulds ball screw forward by matched moulds clutch and matched moulds shaft coupling, the nut of matched moulds ball screw drives five-rod and moves, moving platen is moved to the solid plate direction, carry out matched moulds, when the left and right mold halves is adjacent to, thereby five-rod just is straightened and carries out locked mode, now matched moulds clutch outage, complete matched moulds and locked mode step;
Described step (2) is: after matched moulds and locked mode step complete, shifting formwork clutch energising adhesive, the longitudinal output end of steering gear drives the driving member forward rotation by the shifting formwork clutch, driving member drives shifting formwork ball screw forward, mould shifting device is moved toward preform blowup station direction, after arriving the inflation station, the outage of shifting formwork clutch, motor stalling, complete the shifting formwork step;
Described step (3) is: after the shifting formwork step completes, carry out preform blowup and goods cooling, after formed product, starter motor makes its reversion, matched moulds clutch energising adhesive, and the horizontal output of steering gear drives the reversion of matched moulds ball screw by matched moulds clutch and matched moulds shaft coupling, the nut of matched moulds ball screw drives five-rod and moves, while arriving the die sinking extreme position of moving platen, the outage of matched moulds clutch, complete the die sinking step;
Described step (4) is: after the die sinking step completes, shifting formwork clutch energising adhesive, the longitudinal output end of steering gear drives driving member by the shifting formwork clutch and rotates backward, driving member drives the reversion of shifting formwork ball screw, mould shifting device is moved to parison formation station direction, after arriving the parison formation station, the outage of shifting formwork clutch, motor stalling, complete the shifting formwork step; So far, complete a matched moulds-shifting formwork-die sinking-shifting formwork cycle, and entered next course of work by above step.
7. the method for operating of system according to claim 5 is characterized in that: do not start mould shifting device, only start mold closing mechanism, complete unidirectional matched moulds locked mode step, for the matched moulds process of electric injection molding machine.
8. described by single motor-driven application that can realize the system of all-electric mold closing and shifting formwork function according to claim 1-4 any one, be applied to plastics blow molding and plastic injection-moulded process.
CN2010105273755A 2010-10-31 2010-10-31 Single-motor-driven all-electric mold closing and moving system and implementation method and application thereof Active CN102009467B (en)

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