CN105538589A - Double-screw and double-motor driving full-electric injection device - Google Patents
Double-screw and double-motor driving full-electric injection device Download PDFInfo
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- CN105538589A CN105538589A CN201511029423.7A CN201511029423A CN105538589A CN 105538589 A CN105538589 A CN 105538589A CN 201511029423 A CN201511029423 A CN 201511029423A CN 105538589 A CN105538589 A CN 105538589A
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- screw
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- motor driving
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Classifications
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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
- B29C45/03—Injection moulding apparatus
- B29C45/04—Injection moulding apparatus using movable moulds or mould halves
- B29C45/0408—Injection moulding apparatus using movable moulds or mould halves involving at least a linear movement
-
- 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
- B29C45/1761—Means for guiding movable mould supports or injection units on the machine base or frame; Machine bases or frames
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
Abstract
The invention provides a double-screw and double-motor driving full-electric injection device belonging to the technical field of injection molding equipment. The double-screw and double-motor driving full-electric injection device is characterized by comprising an injection rack, two groups of screw assemblies, two groups of power assemblies and a regulating device, wherein the injection rack comprises a rear injection platform board, a front injection platform board, premolding seats and two injection pull rods for connecting the rear injection platform board and the front injection platform, and the premolding seats are slidably arranged on the injection pull rods; the two groups of screw assemblies are symmetrically arranged on the injection rack and drive the premolding seats to move; the two groups of power assemblies are arranged on the rear injection platform board and are correspondingly connected with the screw assemblies; and the regulating device is arranged on the rear injection platform board and is used for tensioning the two screw assemblies and enabling the screw assemblies to synchronously rotate. The double-screw and double-motor driving full-electric injection device has the advantages of stability in operation and convenience in regulation.
Description
Technical field
The invention belongs to the equipment technical field that injection moulding is used, relate to a kind of injection device, particularly the all-electric injection device of a kind of double lead-screw double-motor driving type.
Background technology
Chinese patent CN204487938U discloses a kind of injection machine injection mould shifting device, comprise motor, leading screw, drive block and leading screw seat, leading screw is located on leading screw seat, one end of leading screw is fixedly connected with the output shaft of motor, and leading screw seat is provided with gathering sill, and drive block is set on leading screw, drive block is provided with the first projection and the second projection, first projection matches with gathering sill, and the first projection can move in gathering sill, and the injection mechanism of the second projection and injection machine is interlocked.Controlled the rotation direction of leading screw by the rotating of motor, and then control the moving direction of drive block and injection mechanism.
Above-mentioned mould shifting device adopts single motor leading screw drive form, the required injection force of large-scale all-electric injecting molding machine is more than 1,000 thousand Ns, the scheme that single screw drives proposes high requirement to ball-screw, domestic leading screw cannot meet its requirement to load, life-span and reliability, the also phoenix feathers and unicorn horns that import leading screw can meet.Single motor drive mode also can increase rotor inertia, is unfavorable for controlling to start acceleration and deceleration.
Summary of the invention
The object of the invention is to there are the problems referred to above for existing technology, propose a kind of all-electric injection device of double lead-screw double-motor driving type stable, easy to adjust.
Object of the present invention realizes by following technical proposal: the all-electric injection device of a kind of double lead-screw double-motor driving type, is characterized in that, comprising:
Injection frame, described injection frame comprise penetrate platform after plate, penetrate platform header board, preformed seat, connect penetrate platform after plate and penetrate the injection pull bar of platform header board, described preformed seat is slidably installed in be penetrated on platform pull bar;
Lead screw assembly, described lead screw assembly is provided with two groups and symmetry is arranged in injection frame, and described lead screw assembly drives preformed seat to move;
Power Component, described Power Component is provided with two groups and is arranged on and penetrates after platform on plate, and described Power Component is corresponding with lead screw assembly to be connected;
Adjusting device, described adjusting device is arranged on penetrates after platform on plate, and described adjusting device tensioning two lead screw assembly also makes lead screw assembly synchronous axial system.
In the above-mentioned all-electric injection device of a kind of double lead-screw double-motor driving type, described lead screw assembly comprises leading screw and is arranged on the screw on leading screw, described screw is connected on preformed seat, leading screw run through penetrate platform after plate and be provided with in the end of leading screw screw pulley and regulate belt wheel, described power set are connected to screw pulley, and described adjusting device is connected to adjustment belt wheel.
In the above-mentioned all-electric injection device of a kind of double lead-screw double-motor driving type, described leading screw is provided with self-aligning thrust roller bearing and taper roll bearing, described penetrating on platform header board is provided with bearing block, described self-aligning thrust roller bearing and taper roll bearing close-fitting are arranged on the two ends of bearing block, and the direction of the leading screw axial force that described self-aligning thrust roller bearing and taper roll bearing bear is contrary.
In the above-mentioned all-electric injection device of a kind of double lead-screw double-motor driving type, described Power Component comprises power motor, be arranged on power belt wheel on the output shaft of power motor and the driving belt being connected power belt wheel and screw pulley, and the diameter of power belt wheel is less than the diameter of screw pulley.
In the above-mentioned all-electric injection device of a kind of double lead-screw double-motor driving type, between described screw pulley and leading screw, screw pulley expansion sleeve is also installed.
In the above-mentioned all-electric injection device of a kind of double lead-screw double-motor driving type, the tension band that described adjusting device comprises adjustable plate, is arranged on the regulating wheel on adjustable plate and is arranged on regulating wheel, described tension band is stretched on regulating wheel and two adjustment belt wheels, and described adjustable plate is arranged on to be penetrated after platform on plate.
In the above-mentioned all-electric injection device of a kind of double lead-screw double-motor driving type, described regulating wheel is arranged on the split of two adjustment belt wheels, and described regulating wheel and two accommodation zones take turns three vertex positions being positioned at isosceles triangle.
In the above-mentioned all-electric injection device of a kind of double lead-screw double-motor driving type, described adjustable plate offers several long slot bores, in described long slot bore, securing member is installed, described adjustable plate is vertically protruding with regulating block, described regulating block is provided with adjustment screw, and plate after platform is penetrated in described adjustment screw pushing and pressing also drives adjustable plate to move along long slot bore.
In the above-mentioned all-electric injection device of a kind of double lead-screw double-motor driving type, described preformed seat is provided with two symmetrically arranged cushion cylinders, described cushion cylinder comprises cylinder body and is slidably installed in the two-way ram in cylinder body, the piston rod of described two-way ram stretches out from the two ends of cylinder body, and the piston rod of one end is mounted to penetrates platform header board.
In the above-mentioned all-electric injection device of a kind of double lead-screw double-motor driving type, described piston rod is provided with piston joint, and described piston joint is hinged is mounted to free bearing, and described free bearing is connected in be penetrated on platform header board.
Compared with prior art, the present invention has following advantage:
1, adopting bi-motor and double lead-screw to drive can provide the accurate amount of feeding at a high speed, and also can provide high injection force, the loading force of bearing is large simultaneously.
2, arrange adjusting device in the end of double lead-screw assembly, drive at two lead screw assemblies in the process of preformed seat movement, adjusting device can make the synchronism of two leading screws good, feeding is consistent, meanwhile, adjusting device conveniently can regulate the tensile force of regulating wheel by adjustment screw, easy to adjust.
3, preformed seat is provided with two symmetrically arranged cushion cylinders, under the condition that servo power is out of control, can realize oil pressure and get involved, protection mechanical system is from large load rigid impact.Meanwhile, can provide certain hydraulic locking power, reduce the stall torque demand to servo power under long-time pressurize feeding state, protection servo power is from heating puzzlement.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Fig. 2 is sectional structure schematic diagram of the present invention.
Fig. 3 is perspective view of the present invention.
Fig. 4 is the mounting structure schematic diagram of cushion cylinder in the present invention.
In figure, 1, injection frame; 11, plate after platform is penetrated; 12, platform header board is penetrated; 13, preformed seat; 14, pull bar is injected; 15, line slideway; 2, lead screw assembly; 21, leading screw; 22, screw; 23, screw pulley; 24, belt wheel is regulated; 25, bearing block; 26, self-aligning thrust roller bearing; 27, taper roll bearing; 28, expansion sleeve; 3, adjusting device; 31, regulating wheel; 32, tension band; 33, adjustable plate; 331, long slot bore; 332, regulating block; 34, adjustment screw; 4, Power Component; 41, power motor; 42, power belt wheel; 43, driving belt; 5, cushion cylinder; 51, cylinder body; 52, two-way ram; 53, piston joint; 54, free bearing.
Detailed description of the invention
Be below specific embodiments of the invention and by reference to the accompanying drawings, technical scheme of the present invention is further described, but the present invention be not limited to these embodiments.
As depicted in figs. 1 and 2, the all-electric injection device of this double lead-screw double-motor driving type, comprise: injection frame 1, lead screw assembly 2, Power Component 4 and adjusting device 3, injection frame 1 comprises penetrates plate 11 after platform, penetrate platform header board 12, preformed seat 13, connect plate 11 and the injection pull bar 14 penetrating platform header board 12 after penetrating platform, plate 11 and penetrate platform header board 12 and be parallel to each other after penetrating platform, preformed seat 13 is sliding establish be arranged on injection pull bar 14 and after penetrating platform plate 11 and penetrate between platform header board 12, plate 11 and penetrate platform header board 12 and be arranged on line slideway 15 after penetrating platform, injection pull bar 14 is provided with two, injection pull bar 14 and line slideway 15 are parallel to each other, lead screw assembly 2 is provided with two groups and symmetry is arranged in injection frame 1, namely the two ends of lead screw assembly 2 be arranged on respectively and penetrate platform after plate 11 and penetrate on platform header board 12, lead screw assembly 2 drives preformed seat 13 to move along injection pull bar 14, Power Component 4 is provided with two groups and is arranged on to be penetrated after platform on plate 11, Power Component 4 is corresponding with lead screw assembly 2 to be connected, namely on each lead screw assembly 2, a Power Component 4 is connected to, Power Component 4 drives lead screw assembly 2 to rotate, lead screw assembly 2 drives preformed seat 13 to move linearly, adjusting device 3 is arranged on to penetrate after platform on plate 11, adjusting device 3 tensioning two lead screw assembly 2 also makes lead screw assembly 2 synchronous axial system.
By the feed speed regulating the amount of feeding of Power Component 4 and lead screw assembly 2 conveniently can regulate preformed seat 13, make preformed seat 13 can fast feed and feed accuracy is high, two lead screw assemblies 2 are set high latching force can be provided, the loading force of bearing is large, device for installing and adjusting 3 on lead screw assembly 2, adjusting device 3 can regulate the synchronism of two lead screw assemblies 2, makes the amount of feeding of two lead screw assemblies 2 identical with latching force, make preformed seat 13 steadily slide anteroposterior, structure is ingenious.
The screw 22 that lead screw assembly 2 comprises leading screw 21 and is arranged on leading screw 21, screw 22 is connected on preformed seat 13, leading screw 21 run through penetrate platform after plate 11 and be provided with screw pulley 23 in the end of leading screw 21 and regulate belt wheel 24, power set are connected to screw pulley 23, adjusting device 3 is connected to and regulates belt wheel 24, the diameter of screw pulley 23 is greater than the diameter regulating belt wheel 24, in adjustment belt wheel 24, be provided with expansion sleeve 28.Preformed seat 13 connects the screw 22 on leading screw 21, and leading screw 21 can drive preformed seat 13 to move linearly, and degree of regulation is high.
Leading screw 21 is provided with self-aligning thrust roller bearing 26 and taper roll bearing 27, penetrate on platform header board 12 and bearing block 25 is installed, self-aligning thrust roller bearing 26 and taper roll bearing 27 close-fitting are arranged on the two ends of bearing block 25, the direction of leading screw 21 axial force that self-aligning thrust roller bearing 26 and taper roll bearing 27 bear is contrary, and the axial force direction of taper roll bearing 27 is towards penetrating plate 11 direction after platform.Be that self-aligning thrust roller bearing 26 bears the axial force be injected into and under packing state, taper roll bearing 27 then can bear the axial force of injecting and moving back, the axial force that leading screw 21 is subject to is born by self-aligning thrust roller bearing 26 and taper roll bearing 27, leading screw 21 itself stressed little, flexible in operation, is quick on the draw.
Power Component 4 comprises power motor 41, be arranged on power belt wheel 42 on the output shaft of power motor 41 and the driving belt 43 being connected power belt wheel 42 and screw pulley 23, the diameter of power belt wheel 42 is less than the diameter of screw pulley 23, is provided with screw pulley expansion sleeve 28 between screw pulley 23 and leading screw 21.Power belt wheel 42 is less than the rotating speed that rotating speed that screw pulley 23 can make power motor 41 export reduces screw pulley 23, and the rotational speed regulation making leading screw 21 is accurately and then the translational speed of adjustment preformed seat 13, easy to adjust.
As shown in Figures 2 and 3, adjusting device 3 comprises adjustable plate 33, the tension band 32 being arranged on the regulating wheel 31 on adjustable plate 33 and being arranged on regulating wheel 31, the axes normal of regulating wheel 31 is in adjustable plate 33, tension band 32 is stretched on regulating wheel 31 and two adjustment belt wheels 24, as preferably, regulating wheel 31 is arranged on the split of two adjustment belt wheels 24, two regulate belt wheel 24 symmetrical, regulating wheel 31 is positioned on the symmetrical centre face of two adjustment belt wheels 24, as preferably, regulating wheel 31 and two regulates belt wheel 24 to be positioned at three vertex positions of isosceles triangle, namely regulating wheel 31 and two regulates the line of centres of belt wheel 24 to form an isosceles triangle, adjustable plate 33 is arranged on to be penetrated after platform on plate 11, adjustable plate 33 offers several long slot bores 331, in long slot bore 331, securing member is installed, adjustable plate 33 is vertically protruding with regulating block 332, regulating block 332 is provided with adjustment screw 34, plate 11 after platform is penetrated in adjustment screw 34 pushing and pressing also drives adjustable plate 33 to move along long slot bore 331.Turning adjusting screw 34, adjustable plate 33 moves along long slot bore 331 along with the movement of adjustment screw 34, the convenient tensile force regulated on tension band 32, the effective synchronism controlling lead screw assembly 2.
As shown in Figure 4, preformed seat 13 is provided with two symmetrically arranged cushion cylinders 5, the two-way ram 52 that cushion cylinder 5 comprises cylinder body 51 and is slidably installed in cylinder body 51, the piston rod of two-way ram 52 stretches out from the two ends of cylinder body 51, the piston rod of one end is mounted to penetrates platform header board 12, as preferably, is provided with piston joint 53 on the piston rod, piston joint 53 is hinged is mounted to free bearing 54, and free bearing 54 is connected in be penetrated on platform header board 12.Adopt two-way ram 52 under the condition that servo power is out of control, can to realize oil pressure and get involved, protection mechanical system is from large load rigid impact.Two symmetrically arranged cushion cylinders 5 can provide certain hydraulic locking power under long-time pressurize feeding state, reduce the stall torque demand to servo power, and protection servo power is from heating puzzlement.Piston joint 53 is hinged is mounted to free bearing 54, and the active force that cushion cylinder 5 can be made to be subject to is along the axis direction transmission of two-way ram 52.
Specific embodiment described herein is only to the explanation for example of the present invention's spirit.Those skilled in the art can make various amendment or supplement or adopt similar mode to substitute to described specific embodiment, but can't depart from spirit of the present invention or surmount the scope that appended claims defines.
Claims (10)
1. the all-electric injection device of double lead-screw double-motor driving type, is characterized in that, comprising:
Injection frame, described injection frame comprise penetrate platform after plate, penetrate platform header board, preformed seat, connect penetrate platform after plate and penetrate the injection pull bar of platform header board, described preformed seat is slidably installed in be penetrated on platform pull bar;
Lead screw assembly, described lead screw assembly is provided with two groups and symmetry is arranged in injection frame, and described lead screw assembly drives preformed seat to move;
Power Component, described Power Component is provided with two groups and is arranged on and penetrates after platform on plate, and described Power Component is corresponding with lead screw assembly to be connected;
Adjusting device, described adjusting device is arranged on penetrates after platform on plate, and described adjusting device tensioning two lead screw assembly also makes lead screw assembly synchronous axial system.
2. the all-electric injection device of a kind of double lead-screw double-motor driving type according to claim 1, it is characterized in that, described lead screw assembly comprises leading screw and is arranged on the screw on leading screw, described screw is connected on preformed seat, leading screw run through penetrate platform after plate and be provided with in the end of leading screw screw pulley and regulate belt wheel, described power set are connected to screw pulley, and described adjusting device is connected to adjustment belt wheel.
3. the all-electric injection device of a kind of double lead-screw double-motor driving type according to claim 2, it is characterized in that, described leading screw is provided with self-aligning thrust roller bearing and taper roll bearing, described penetrating on platform header board is provided with bearing block, described self-aligning thrust roller bearing and taper roll bearing close-fitting are arranged on the two ends of bearing block, and the direction of the leading screw axial force that described self-aligning thrust roller bearing and taper roll bearing bear is contrary.
4. the all-electric injection device of a kind of double lead-screw double-motor driving type according to Claims 2 or 3, it is characterized in that, described Power Component comprises power motor, be arranged on power belt wheel on the output shaft of power motor and the driving belt being connected power belt wheel and screw pulley, and the diameter of power belt wheel is less than the diameter of screw pulley.
5. the all-electric injection device of a kind of double lead-screw double-motor driving type according to claim 2, is characterized in that, be also provided with screw pulley expansion sleeve between described screw pulley and leading screw.
6. the all-electric injection device of a kind of double lead-screw double-motor driving type according to claim 1,2,3 or 5, it is characterized in that, the tension band that described adjusting device comprises adjustable plate, is arranged on the regulating wheel on adjustable plate and is arranged on regulating wheel, described tension band is stretched on regulating wheel and two adjustment belt wheels, and described adjustable plate is arranged on to be penetrated after platform on plate.
7. the all-electric injection device of a kind of double lead-screw double-motor driving type according to claim 6, is characterized in that, described regulating wheel is arranged on the split of two adjustment belt wheels, and described regulating wheel and two accommodation zones take turns three vertex positions being positioned at isosceles triangle.
8. the all-electric injection device of a kind of double lead-screw double-motor driving type according to claim 6, it is characterized in that, described adjustable plate offers several long slot bores, in described long slot bore, securing member is installed, described adjustable plate is vertically protruding with regulating block, described regulating block is provided with adjustment screw, and plate after platform is penetrated in described adjustment screw pushing and pressing also drives adjustable plate to move along long slot bore.
9. the all-electric injection device of a kind of double lead-screw double-motor driving type according to claim 1,2,3 or 5, it is characterized in that, described preformed seat is provided with two symmetrically arranged cushion cylinders, described cushion cylinder comprises cylinder body and is slidably installed in the two-way ram in cylinder body, the piston rod of described two-way ram stretches out from the two ends of cylinder body, and the piston rod of one end is mounted to penetrates platform header board.
10. the all-electric injection device of a kind of double lead-screw double-motor driving type according to claim 9, is characterized in that, described piston rod is provided with piston joint, and described piston joint is hinged is mounted to free bearing, and described free bearing is connected in be penetrated on platform header board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511029423.7A CN105538589A (en) | 2015-12-31 | 2015-12-31 | Double-screw and double-motor driving full-electric injection device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511029423.7A CN105538589A (en) | 2015-12-31 | 2015-12-31 | Double-screw and double-motor driving full-electric injection device |
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| CN105538589A true CN105538589A (en) | 2016-05-04 |
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| CN201511029423.7A Pending CN105538589A (en) | 2015-12-31 | 2015-12-31 | Double-screw and double-motor driving full-electric injection device |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107053617A (en) * | 2017-03-15 | 2017-08-18 | 刘镇江 | The electric injection device of injection machine |
| CN107457970A (en) * | 2017-07-25 | 2017-12-12 | 宁波长飞亚塑料机械制造有限公司 | A kind of full motor injection device of motor-direct-drive type of four leading screw four |
| CN109093961A (en) * | 2018-07-27 | 2018-12-28 | 珠海格力智能装备有限公司 | Injection driving mechanism |
| CN110497592A (en) * | 2019-08-19 | 2019-11-26 | 宁波海雄塑料机械有限公司 | A kind of injection molding machine and its electric injection device |
| CN115320001A (en) * | 2022-08-11 | 2022-11-11 | 广东力劲塑机智造股份有限公司 | Full-electric injection molding machine injection platform device and using method thereof |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107053617A (en) * | 2017-03-15 | 2017-08-18 | 刘镇江 | The electric injection device of injection machine |
| CN107457970A (en) * | 2017-07-25 | 2017-12-12 | 宁波长飞亚塑料机械制造有限公司 | A kind of full motor injection device of motor-direct-drive type of four leading screw four |
| CN109093961A (en) * | 2018-07-27 | 2018-12-28 | 珠海格力智能装备有限公司 | Injection driving mechanism |
| CN110497592A (en) * | 2019-08-19 | 2019-11-26 | 宁波海雄塑料机械有限公司 | A kind of injection molding machine and its electric injection device |
| CN110497592B (en) * | 2019-08-19 | 2024-04-02 | 宁波海雄塑料机械有限公司 | Injection molding machine and electric injection device thereof |
| CN115320001A (en) * | 2022-08-11 | 2022-11-11 | 广东力劲塑机智造股份有限公司 | Full-electric injection molding machine injection platform device and using method thereof |
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Application publication date: 20160504 |