CN201745140U - Differential clamping mechanism of fully electric injection molding machine - Google Patents
Differential clamping mechanism of fully electric injection molding machine Download PDFInfo
- Publication number
- CN201745140U CN201745140U CN2010202243594U CN201020224359U CN201745140U CN 201745140 U CN201745140 U CN 201745140U CN 2010202243594 U CN2010202243594 U CN 2010202243594U CN 201020224359 U CN201020224359 U CN 201020224359U CN 201745140 U CN201745140 U CN 201745140U
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- ball
- injection molding
- screw
- pull bar
- molding machine
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Abstract
The utility model relates to a differential clamping mechanism of a fully electric injection molding machine, which belongs to the field of claming mechanisms of injection molding machines, and comprises a stepper motor, a helical gear, a ZUWGW type 2K-H differential gear train, an asynchronous motor, a hollow shaft, a mold adjusting nut, a movable mold plate, a front mold plate, a pull rod, a mold, a ballscrew pair, a back mold plate and a shaft coupling. In the differential clamping mechanism, the input motions generated by the asynchronous motor and the stepper motor are synthesized by the ZUWGW type 2K-H differential gear train with two degrees of freedom and then are output by a tie rod H, and then the ballscrew pair is driven to drive the movable mold plate to make reciprocating motion. Accordingly, the high clamping force, the high efficiency, the fast running speed and the low power consumption can be realized.
Description
Technical field
The utility model relates to a kind of injection molding machine, relates in particular to a kind of clamping of full electric injection molding machine.
Background technology
What at present, application was maximum is all-electric crank connecting rod formula clamping.All-electric crank connecting rod formula clamping uses servomotor to be equipped with elements such as ball-screw, cog belt and drives crank connecting rod and realize that mould opens and closes action, the mode transfer of whole device, ejects the clamping that all adopts servomotor to carry out.
This all-electric crank connecting rod formula clamping is owing to used servomotor; toggle link is stopped in different angles, therefore help the change of clamp force and can carry out compression forming, and eliminated the influence of oil shock inertia; noise is low during operation, the control accuracy height.But also there are some problems in all-electric crank connecting rod formula clamping.For example the requirement on machining accuracy height that exists of Type of Toggle Clamping Units, easy to wear, mode transfer difficulty etc. are still unresolved.Simultaneously, servomotor is subjected to the restriction of power output, can't provide big clamp force, and manufacturing cost is higher.
Summary of the invention
For solve requirement on machining accuracy height that Type of Toggle Clamping Units exists, easy to wear, mode transfer is difficult, and servomotor can't provide the problem of big clamp force, the utility model proposes full electric injection molding machine differential type clamping.
The utility model drives differential gear train simultaneously by stepper motor and asynchronous motor, and the torque of output directly drives ball screw assembly, etc. and finishes shifting formwork and locked mode process, owing to do not have elbow-bar mechanism, the problem of having avoided elbow-bar mechanism to bring effectively.
The technical solution of the utility model is: a kind of full electric injection molding machine differential type clamping comprises mode transfer nut, moving platen, front template, pull bar, mould, rear pattern plate.The pull bar distribution that is centrosymmetric, rear pattern plate is installed on the pull bar, and pull bar is fixed on the front template, and moving platen is sheathed on the pull bar, and mould is installed between moving platen and the front template.It is characterized in that: asynchronous motor links to each other with decelerator 7 one ends by shaft coupling 8, and the other end of decelerator 7 links to each other with a sun gear of ZUWGW type 2K-H differential gear train.Stepper motor links to each other with an end of decelerator 3 by shaft coupling 2, and the other end of decelerator 3 links to each other with helical teeth cylinder pinion 4.Hollow shaft links to each other with the output shaft of differential gear train by shaft coupling 15.Ball nut is assemblied in the rear pattern plate center by screw, and ball-screw is directly fixed on the moving platen center.And connect by flat key and to prevent that ball-screw from rotating.ZUWGW type 2K-H differential gear train has two frees degree, one of them driving link Asynchronous Motor Driving, another driving link drives a pair of helical gears control by stepper motor, make it do compensating motion, latter two input motion is by the tie-rod output of ZUWGW type 2K-H differential gear train, drive ball nut then and rotate, seesaw, move back and forth thereby drive moving platen to promote ball-screw.
In the clamping of the present utility model, differential gear train can adopt that any one gets final product in the 2K-H type planetary wheel mechanism.
In the clamping of the present utility model; ball screw assembly, can adopt two kinds of kinds of drive; it is the ball nut rotation; ball-screw does not rotate and is converted into rectilinear motion rotatablely moving; another kind of mode makes the ball-screw rotation exactly; ball nut does not rotate, but ball nut is converted into rectilinear motion rotatablely moving.
In the clamping of the present utility model, the installation of ball screw assembly, can adopt center type, to angie type or four angie types.
Major advantage of the present utility model has: after the input motion that (1) differential type clamping generates asynchronous motor and stepper motor is synthetic; produce programmable output movement; thereby can realize that high clamp force, high efficiency, the speed of service are fast, low energy consumption (2) asynchronous motor, stepper motor combination drive; wherein asynchronous motor provides bigger power; stepper motor plays adjusting; the combination of the two has replaced powerful stepper motor effectively, thereby has provided cost savings greatly.
Description of drawings
Fig. 1 is the fundamental diagram of the utility model full electric injection molding machine differential type clamping.
Among the figure: 1-stepper motor, 2-shaft coupling, 3-decelerator, 4-helical teeth cylinder pinion, the 5-hollow shaft, 6-mode transfer nut, 7-moving platen, 8-front template, the 9-pull bar, 10-mould, 11-ball-screw, 12 rear pattern plates, 13 screws, 14-ball nut, the 15-shaft coupling, 16-helical teeth cylinder gear wheel, 17-ZUWGW type 2K-H differential gear train, the 18-decelerator, 19-shaft coupling, 20-asynchronous motor.
Fig. 2 is the differential gear train schematic diagram in the utility model full electric injection molding machine differential type clamping.
Among the figure: 1-stepper motor, 2-shaft coupling, 3-decelerator, 4-helical teeth cylinder pinion, 5-helical teeth cylinder gear wheel, 6-ZUWGW type 2K-H differential gear train, 7-decelerator, 8-shaft coupling, 9-asynchronous motor.
Fig. 3 finishes shifting formwork and clamping apparatus figure for the ball screw assembly, in the utility model full electric injection molding machine differential type clamping drives moving platen.
Among the figure: 1-mode transfer nut, 2-rear pattern plate, 3-ball nut, 4-moving platen, 5-pull bar, 6-front template, 7-mould, 8-pull bar, 9-ball-screw, 10-shaft coupling
The specific embodiment
Now in conjunction with the accompanying drawings the utility model patent is described in detail as follows:
As shown in Figure 1; the utility model is a full electric injection molding machine differential type clamping, comprises stepper motor 1, shaft coupling 2, decelerator 3, helical teeth cylinder pinion 4, hollow shaft 5, mode transfer nut 6, moving platen 7, front template 8, pull bar 9, mould 10, ball-screw 11, rear pattern plate 12, screw 13, ball nut 14, shaft coupling 15, helical teeth cylinder gear wheel 16, ZUWGW type 2K-H differential gear train 17, decelerator 18, shaft coupling 19 and asynchronous motor 20.Pull bar 9 distribution that is centrosymmetric, rear pattern plate 12 is installed on the pull bar 9, and pull bar is fixed on the front template 8, and moving platen 7 is sheathed on the pull bar, and mode transfer nut 6 is regulated the position of rear pattern plate on pull bar according to the thickness of mould 10.Hollow shaft 5 links to each other with the output shaft of differential gear train by shaft coupling 15.Drive ball-screw 11 motions by ball nut 14, promptly ball nut rotates, a ball-screw moving linearly.Ball nut is assemblied in the rear pattern plate center by screw 13, and ball-screw is directly fixed on the moving platen center, and prevents that by flat key ball-screw from rotating.ZUWGW type 2K-H differential attachment has two frees degree, one of them driving link drives with asynchronous motor 20, another driving link drives a pair of helical gears control by stepper motor 1, make it do compensating motion, latter two input link is by tie-rod H output, drive ball nut then and rotate, seesaw, move back and forth thereby drive moving platen to promote ball-screw.
As shown in Figure 2, the 2K-H differential gear train schematic diagram in the utility model full electric injection molding machine differential type clamping.Comprise stepper motor 1, shaft coupling 2, decelerator 3, helical teeth cylinder pinion 4, helical teeth cylinder gear wheel 5, ZUWGW type 2K-H differential gear train 6, decelerator 7, shaft coupling 8 and asynchronous motor 9.ZUWGW type 2K-H differential attachment has two frees degree, stepper motor and asynchronous motor are worked simultaneously, one of them driving link Asynchronous Motor Driving, another driving link drives a pair of helical gears control by stepper motor, make it do compensating motion, latter two input link is by the tie-rod output of ZUWGW type 2K-H differential gear train, drives ball screw assembly, then and drives moving platen and move back and forth.
As shown in Figure 3, the ball screw assembly, in the utility model full electric injection molding machine differential type clamping drives moving platen and finishes shifting formwork and clamping apparatus figure.Comprise mode transfer nut 1, rear pattern plate 2, ball nut 3, moving platen 4, pull bar 5, front template 6, mould 7, pull bar 8, ball-screw 9 and shaft coupling 10.Pull bar 5 distribution that is centrosymmetric, rear pattern plate 2 is installed on the pull bar 5, and pull bar is fixed on the front template 6, and moving platen 4 is sheathed on the pull bar, and mode transfer nut 1 is regulated the position of rear pattern plate 2 on pull bar according to the thickness of mould 7.Drive the ball nut motion by ball-screw, promptly ball-screw rotates, a ball nut moving linearly.Ball-screw is assemblied in the rear pattern plate center, according to the length of the stroke of template design pull bar 8, and slots on pull bar, moves back and forth thereby make ball nut move drive moving platen 5 along the groove of pull bar 8.Ball-screw links to each other with the output shaft of differential gear train by shaft coupling, makes the moment of output drive the ball-screw rotation, seesaws to promote ball nut, thereby drives the entire mechanism motion.
Improvements of the present utility model are to adopt the differential type gear mechanism of two frees degree; one of them driving link Asynchronous Motor Driving; another driving link drives by stepper motor; after the input motion that this differential type clamping generates asynchronous motor and stepper motor is synthetic; produce programmable output movement, can realize high clamp force, high efficiency, fast, the low energy consumption of the speed of service thereby can regulate moment of torsion and the rotating speed exported by stepper motor.
Claims (4)
1. full electric injection molding machine differential type clamping; comprise the mode transfer nut; moving platen; front template; pull bar; mould; rear pattern plate; the pull bar distribution that is centrosymmetric; rear pattern plate is installed on the pull bar; pull bar is fixed on the front template; moving platen is sheathed on the pull bar; mould is installed between moving platen and the front template; it is characterized in that: asynchronous motor links to each other with decelerator 7 one ends by shaft coupling 8; the other end of decelerator 7 links to each other with a sun gear of ZUWGW type 2K-H differential gear train; stepper motor links to each other with an end of decelerator 3 by shaft coupling 2; the other end of decelerator 3 links to each other with helical teeth cylinder pinion 4; hollow shaft links to each other with the output shaft of differential gear train by shaft coupling 15; ball nut is assemblied in the rear pattern plate center by screw; ball-screw is directly fixed on the moving platen center, and prevents that by the flat key connection ball-screw from rotating.
2. full electric injection molding machine differential type clamping according to claim 1 is characterized in that: differential gear train can adopt that any one gets final product in the 2K-H type planetary wheel mechanism.
3. full electric injection molding machine differential type clamping according to claim 1; it is characterized in that: ball screw assembly, can adopt two kinds of kinds of drive; be that ball-screw maintains static; the ball nut rotation also is converted into rectilinear motion rotatablely moving; another kind of mode makes the ball-screw rotation exactly; ball nut does not rotate, but still ball nut is converted into rectilinear motion rotatablely moving.
4. full electric injection molding machine differential type clamping according to claim 1 is characterized in that: ball screw assembly, can adopt center type, to angie type or four angie types.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202243594U CN201745140U (en) | 2010-06-12 | 2010-06-12 | Differential clamping mechanism of fully electric injection molding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202243594U CN201745140U (en) | 2010-06-12 | 2010-06-12 | Differential clamping mechanism of fully electric injection molding machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201745140U true CN201745140U (en) | 2011-02-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202243594U Expired - Fee Related CN201745140U (en) | 2010-06-12 | 2010-06-12 | Differential clamping mechanism of fully electric injection molding machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201745140U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103264492A (en) * | 2013-06-04 | 2013-08-28 | 浙江大学 | Injection device and method of miniature injection molding machine of differential transmission |
| CN111376438A (en) * | 2018-12-27 | 2020-07-07 | 日精树脂工业株式会社 | Injection molding apparatus |
-
2010
- 2010-06-12 CN CN2010202243594U patent/CN201745140U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103264492A (en) * | 2013-06-04 | 2013-08-28 | 浙江大学 | Injection device and method of miniature injection molding machine of differential transmission |
| CN103264492B (en) * | 2013-06-04 | 2015-08-19 | 浙江大学 | The injection device of the miniature injection machine of differential gearing and method |
| CN111376438A (en) * | 2018-12-27 | 2020-07-07 | 日精树脂工业株式会社 | Injection molding apparatus |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110216 Termination date: 20110612 |