CN101733911B - Combination drive type mould clamping mechanism of all-electric injection molding machine - Google Patents
Combination drive type mould clamping mechanism of all-electric injection molding machine Download PDFInfo
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- CN101733911B CN101733911B CN2008102272429A CN200810227242A CN101733911B CN 101733911 B CN101733911 B CN 101733911B CN 2008102272429 A CN2008102272429 A CN 2008102272429A CN 200810227242 A CN200810227242 A CN 200810227242A CN 101733911 B CN101733911 B CN 101733911B
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- combination drive
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- injection molding
- clamping mechanism
- molding machine
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Abstract
The invention relates to a combination drive type mould clamping mechanism of an all-electric injection molding machine, belonging to the field of mould clamping mechanisms of injection molding machines. The combination drive type mould clamping mechanism of the all-electric injection molding machine comprises mould adjusting nuts, a conventional motor, a support plate, a pull rod, a toggle mechanism, a dynamic mould plate, a mould, a fixed mould plate, a supporting angle, a hinge sleeve, a servo motor, an externally synchronous belt, a threaded screw rod, a threaded crosshead and an internally synchronous belt. The combination drive type mould clamping mechanism is designed by adopting a combination drive principle, and a power source of the combination drive type mould clamping mechanism is the servo motor and the conventional motor; the combination drive type mould clamping mechanism combines input motions generated by the servo motor and the conventional motor through a two-degree of freedom toggle mechanism and then generates programmable output motions; the system combines the advantages of the traditional mechanical system and a full-server electromechanical system, can realize the flexibility of the output motion and has high carrying capacity, fast operation and low cost.
Description
Technical field
The present invention relates to a kind of clamping of injection machine, relate in particular to a kind of clamping of full electric injection molding machine.
Technical background
At present, all adopt the Type of Toggle Clamping Units of driven by servomotor in the full electric injection molding machine.Because Type of Toggle Clamping Units lacks flexible, its output characteristics is difficult to change; Simultaneously, servomotor receives the restriction of power output, big clamp force can't be provided, and manufacturing cost is higher.
The present invention proposes a kind of combination drive type mould clamping mechanism of all-electric injection molding machine; The driving mechanism of a kind of mechanism of two-freedom combination drive as clamping; One of them driving link is made uniform motion with high-power conventional motor-driven; Through another driving link of small-power servomotor control, make it make compensating motion, thereby make mechanism accurately realize given motion.After the input motion that the combination drive clamping generates conventional motor and servomotor is synthetic; Produce programmable output movement; This systems incorporate the advantage of conventional mechanical system with full servo electric system; Can realize that output movement is flexible, and have bearing capacity height, the speed of service is fast and cost is low characteristics, can finely satisfy current demand of producing many kinds, small lot, low-cost development.
Summary of the invention
The present invention adopts combination drive principle that the full electric injection molding machine clamping is improved; Use servomotor and conventional motor to carry out combination drive, thereby realize high clamp force, high accuracy, low energy consumption, combination drive type mould clamping mechanism of all-electric injection molding machine simple in structure.
In order to achieve the above object; The present invention is achieved in that combination drive type mould clamping mechanism of all-electric injection molding machine; Comprise mode transfer nut, conventional motor, gripper shoe, pull bar, elbow-bar mechanism, moving platen, mould, fixed form, an angle, hinge cover, servomotor, outer band, threaded screw rod, screw thread crosshead, inter-sync band synchronously, pull bar can be a plurality of, and distribution is centrosymmetric; Be diagonal angle symmetry shape, triangle symmetry shape or other center symmetry shapes; Gripper shoe is installed on the pull bar, and the mode transfer nut is according to the position of thickness adjusted gripper shoe on pull bar of mould, and pull bar is fixed on the fixed form; Moving platen is sheathed on the pull bar, and elbow-bar mechanism drives moving platen and moves back and forth.Servomotor, conventional motor are worked simultaneously.Be symmetrically installed with threaded screw rod on the gripper shoe, gripper shoe adopts with threaded screw rod and is threaded, and servomotor is connected with threaded screw rod one end through outer band synchronously, and the threaded screw rod other end is fixedly connected with the hinge cover, and hinge puts a fulcrum that connects elbow-bar mechanism.In the middle of the gripper shoe screw thread crosshead is installed, the two is for being threaded, and conventional motor is connected with the first end of screw thread cross through the inter-sync band, and the other end of this screw thread crosshead connects a fulcrum of elbow-bar mechanism.The rotation of servomotor converts the rectilinear motion of hinge cover to through threaded screw rod.The rotation of conventional motor converts the rectilinear motion at an angle to through the screw thread crosshead.Two kinds of rectilinear motions drive opening or closing of moving platen motion realization mould through a binary elbow-bar mechanism.
In the clamping of the present invention, being threaded between threaded screw rod and the gripper shoe can or be trapezoidal thread for the ball screw thread.
In the clamping of the present invention, being threaded between screw thread crosshead and the gripper shoe can or be trapezoidal thread for the ball screw thread.
In the clamping of the present invention, threaded screw rod is welding or riveted joint with the hinge inner room.
Connecting rod in the elbow-bar mechanism can also can be spill connecting rod or convex connecting rod for the linear pattern connecting rod.
Major advantage of the present invention is following: (1) this clamping adopts combination drive principle, and wherein servomotor control provides flexible output movement, and shifting formwork, locked mode process kinematic accuracy is high, speed is fast, clamp force is accurate; (2) high-power conventional motor can provide bigger clamp force in the locked mode process, can be applicable to large-scale full electric injection molding machine; (3) common electric machine provides major impetus, and servomotor plays regulating action, and the two combination can replace high-power servomotor can greatly save cost.
Description of drawings
Fig. 1 is a combination drive type mould clamping mechanism of all-electric injection molding machine fundamental diagram of the present invention.
Among the figure: 1-mode transfer nut, the conventional motor of 2-, the 3-gripper shoe, the 4-pull bar, the 5-elbow-bar mechanism, the 6-moving platen, the 7-mould, the 8-fixed form, 9-props up the angle, and 10-cuts with scissors cover, 11-servomotor, the outer band synchronously of 12-, 13-threaded screw rod, 14-screw thread crosshead, 15-inter-sync band
The specific embodiment
Combine accompanying drawing that patent of the present invention is described in detail as follows at present:
As shown in Figure 1, the present invention is a combination drive type mould clamping mechanism of all-electric injection molding machine, comprises mode transfer nut 1, elbow-bar mechanism 5, gripper shoe 3, pull bar 4, threaded screw rod 13, screw thread crosshead 14, moving platen 6, fixed form 8 and mould 7.Pull bar 4 can be a plurality of; The distribution that is centrosymmetric is diagonal angle symmetry shape, triangle symmetry shape or other center symmetry shapes, and gripper shoe 3 is installed on the pull bar 4; Mode transfer nut 1 is according to the position of thickness adjusted gripper shoe 3 on pull bar 4 of mould 8; Pull bar 4 is fixed on the fixed form 8, and moving platen 6 is sheathed on the pull bar 4, and elbow-bar mechanism 5 drives moving platen 6 and moves back and forth.Servomotor 11, conventional motor 2 are worked simultaneously.Be symmetrically installed with threaded screw rod 13 on the gripper shoe 3; Gripper shoe 3 adopts with threaded screw rod 13 and is threaded; Servomotor 11 is through be with 12 to be connected with threaded screw rod 13 1 ends outward synchronously, and threaded screw rod 13 other ends are fixedly connected with hinge cover 10, a fulcrum of connection elbow-bar mechanism 5 on the hinge cover 10.In the middle of the gripper shoe 3 screw thread crosshead 14 is installed, the two is for being threaded, and conventional motor 2 is connected with screw thread crosshead 14 1 ends through inter-sync band 15, and the other end of this screw thread crosshead 14 connects a fulcrum of elbow-bar mechanism 5.The rotation of servomotor 11 converts the rectilinear motion of hinge cover 10 to through threaded screw rod 13.The rotation of conventional motor 11 converts the rectilinear motion at an angle 9 to through screw thread crosshead 14.
Improvements of the present invention just are to adopt combination drive principle, and two kinds of rectilinear motions that two power sources are converted to drive moving platen 6 motions through binary elbow-bar mechanism 5.Because servomotor 11 is controllable motors, moment of torsion that can be through regulating output and rotating speed realize needed high accuracy, fast, the accurate shifting formwork of clamp force, locked mode motion, conventional motor 2 can provide bigger clamp force in the locked mode process simultaneously.
Claims (6)
1. a combination drive type mould clamping mechanism of all-electric injection molding machine comprises mode transfer nut, gripper shoe, pull bar, elbow-bar mechanism, moving platen, mould, fixed form, screw thread crosshead, and pull bar is a plurality of; The distribution that is centrosymmetric, gripper shoe is installed on the pull bar, and the mode transfer nut is according to the position of thickness adjusted gripper shoe on pull bar of mould; Pull bar is fixed on the fixed form, and moving platen is sheathed on the pull bar, and elbow-bar mechanism drives moving platen and moves back and forth; It is characterized in that: be symmetrically installed with threaded screw rod on the gripper shoe, gripper shoe adopts with threaded screw rod and is threaded, and servomotor is connected with threaded screw rod one end through outer band synchronously; The threaded screw rod other end is fixedly connected with the hinge cover; Hinge puts a fulcrum that connects elbow-bar mechanism, and the screw thread crosshead is installed in the middle of the gripper shoe, and gripper shoe and screw thread crosshead are for being threaded; Conventional motor is connected with the first end of screw thread cross through the inter-sync band; The other end of this screw thread crosshead connects a fulcrum of elbow-bar mechanism, and servomotor, conventional motor are worked simultaneously, and the rotation of servomotor converts the rectilinear motion of hinge cover to through threaded screw rod; The rotation of conventional motor converts the rectilinear motion that props up the angle to through the screw thread crosshead, and two kinds of rectilinear motions drive opening or closing of moving platen motion realization mould through elbow-bar mechanism.
2. combination drive type mould clamping mechanism of all-electric injection molding machine according to claim 1 is characterized in that: the ball screw thread that is threaded between threaded screw rod and the gripper shoe perhaps is trapezoidal thread.
3. combination drive type mould clamping mechanism of all-electric injection molding machine according to claim 1 is characterized in that: the ball screw thread that is threaded between screw thread crosshead and the gripper shoe perhaps is trapezoidal thread.
4. combination drive type mould clamping mechanism of all-electric injection molding machine according to claim 1 is characterized in that: threaded screw rod is welding or riveted joint with the hinge inner room.
5. combination drive type mould clamping mechanism of all-electric injection molding machine according to claim 1 is characterized in that: the connecting rod in the elbow-bar mechanism is the linear pattern connecting rod or is that the spill connecting rod perhaps is the convex connecting rod.
6. combination drive type mould clamping mechanism of all-electric injection molding machine according to claim 1 is characterized in that: pull bar is arranged as diagonal angle symmetry shape or triangle symmetry shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008102272429A CN101733911B (en) | 2008-11-26 | 2008-11-26 | Combination drive type mould clamping mechanism of all-electric injection molding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008102272429A CN101733911B (en) | 2008-11-26 | 2008-11-26 | Combination drive type mould clamping mechanism of all-electric injection molding machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101733911A CN101733911A (en) | 2010-06-16 |
| CN101733911B true CN101733911B (en) | 2012-04-18 |
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| CN2008102272429A Expired - Fee Related CN101733911B (en) | 2008-11-26 | 2008-11-26 | Combination drive type mould clamping mechanism of all-electric injection molding machine |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106678315A (en) * | 2017-02-28 | 2017-05-17 | 合肥钱锋特殊胶粘制品有限公司 | Screw-nut pair driving mechanism and laminating machine |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201353872Y (en) * | 2008-11-26 | 2009-12-02 | 北京化工大学 | Full-electric injection molding machine combined-drive mold-clamping mechanism |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201353872Y (en) * | 2008-11-26 | 2009-12-02 | 北京化工大学 | Full-electric injection molding machine combined-drive mold-clamping mechanism |
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| CN101733911A (en) | 2010-06-16 |
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Granted publication date: 20120418 Termination date: 20201126 |