CN115946313A - Single motor drive all-electric injection molding system - Google Patents
Single motor drive all-electric injection molding system Download PDFInfo
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- CN115946313A CN115946313A CN202211558163.2A CN202211558163A CN115946313A CN 115946313 A CN115946313 A CN 115946313A CN 202211558163 A CN202211558163 A CN 202211558163A CN 115946313 A CN115946313 A CN 115946313A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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Abstract
The invention discloses a single-motor-driven all-electric injection molding system which comprises a base and an injection platform assembly movably arranged on the base, wherein a glue melting cylinder is arranged on the base, a glue melting screw rod penetrates through the glue melting cylinder, the injection platform assembly drives the glue melting screw rod to rotate and linearly move in the glue melting cylinder, the injection platform assembly comprises an injection platform support, a driving motor and a melt injection distributing shaft, the driving motor is arranged on the injection platform support, the melt injection distributing shaft is driven to rotate by the driving motor, the melt injection distributing shaft is linked with the glue melting belt wheel through a glue injection one-way bearing, the melt injection belt wheel drives the glue melting screw rod to rotate to melt glue, the melt injection distributing shaft is linked with the glue injection belt wheel through a glue injection one-way bearing, and the glue injection belt wheel drives the injection platform support to linearly move on the base so as to drive the glue melting screw rod to linearly move in the glue melting cylinder to inject glue. The invention adopts a single motor to realize the glue melting and injection actions of the injection molding system, simplifies the structure of the injection molding system and reduces the manufacturing cost of the injection molding system.
Description
Technical Field
The invention relates to the field of rubber injection molding machinery, in particular to a single-motor-driven all-electric injection molding system.
Background
In the field of rubber injection molding machinery, when an all-electric drive injection platform works, a rubber material enters a rubber melting cylinder, a screw is driven by a drive motor to rotate in the rubber melting cylinder, the rubber material is sheared, ground and heated, the rubber material is in a molten state, and then the screw is driven by the drive motor to axially move so as to inject the rubber material in the molten state out of the rubber melting cylinder. In the existing full-electric-drive injection platform, the melting and injection of the rubber material are respectively driven by two motors, and in the rubber injection process, the melting and injection of the rubber material are completed step by step without simultaneous action, so that the rubber material is firstly in a molten state, then the rubber material in the molten state is conveyed to a rubber outlet of a rubber melting cylinder, the screw rod moves axially to extrude the rubber material, and the molten rubber material is injected. According to the existing full-electric-drive injection platform, a sizing material melting process and an injection process are respectively driven by two driving motors independently, the sizing material melting process and the injection process cannot synchronously act, the utilization rate of the two driving motors is low, and the two motors are arranged on the full-electric-drive injection platform, so that the whole structure becomes heavy, and the design and manufacturing cost is increased. Meanwhile, two sets of motors need two sets of servo control systems urgently, the system has large heat productivity during working, and heat dissipation is not easy to realize in a control box.
Disclosure of Invention
The invention aims to provide a single-motor-driven all-electric injection molding system, which can realize the glue melting and injection actions of the injection molding system by adopting a single motor, simplify the structure of the injection molding system and reduce the manufacturing cost of the injection molding system.
In order to realize the purpose, the technical scheme provided by the invention is as follows: the utility model provides a single motor drive all-electric injection molding system, the on-line screen storage device comprises a base, the movable platform subassembly that penetrates that locates on the base, be equipped with the melten gel section of thick bamboo on the melten gel section of thick bamboo, wear to be equipped with the melten gel screw rod in the melten gel section of thick bamboo, penetrate platform subassembly drive melten gel screw rod and rotatory linear motion in the melten gel section of thick bamboo, penetrate platform subassembly includes and penetrate the platform support, locate driving motor and melten gel dispersion axle on penetrating the platform support, be equipped with melten gel band pulley and melten gel band pulley on penetrating the platform support, driving motor drive melten gel dispersion axle is rotatory, melten gel dispersion axle passes through the one-way bearing of melten gel and links with the melten gel band pulley, melten gel band pulley drive penetrates platform support linear motion on the base to drive the melten gel screw rod linear motion and penetrate in the melten gel section of thick bamboo.
According to the technical scheme, the melt adhesive one-way bearing and the injection one-way bearing are arranged on the melt injection branch shaft, when melt adhesive is carried out, the driving motor drives the melt injection branch shaft to rotate, the melt injection branch shaft and an inner ring of the injection one-way bearing can rotate relatively and freely, the injection belt wheel is not linked with the melt injection branch shaft, the melt adhesive one-way bearing is locked and rotates along with the melt injection branch shaft to drive the melt adhesive belt wheel to rotate, the melt adhesive belt wheel rotates to drive the melt adhesive screw rod to rotate, the adhesive material entering the melt adhesive barrel is ground and sheared, and is heated by friction and heating to form the melt adhesive material; then, the driving motor drives the melt-injection transfer shaft to rotate reversely, at the moment, the melt-injection transfer shaft and the inner ring of the melt-injection one-way bearing can rotate freely relatively, the melt-injection belt wheel is not linked with the melt-injection transfer shaft, the melt-injection one-way bearing is locked and rotates along with the melt-injection transfer shaft to drive the melt-injection belt wheel to rotate, the melt-injection belt wheel drives the melt-injection screw to do linear motion in the axial direction of the melt-injection cylinder, and the glue material is injected from an injection nozzle of the melt-injection cylinder. Through the cooperation of the glue melting one-way bearing and the glue injection one-way bearing, the glue melting and the glue injection actions can be realized by a single driving motor, the integral structure of the injection molding system is simplified, and the equipment cost of the injection molding system is reduced.
In the single-motor-driven all-electric injection molding system, the driving motor is connected with the fusion injection driving wheel, the fusion injection transfer shaft is provided with the fusion injection driving wheel, and the fusion injection driving wheel is connected with the fusion injection driving wheel through the driving shaft synchronous belt. When the driving motor works, the main shaft drives the melt injection driving wheel to rotate, and the melt injection driving wheel drives the melt injection driving wheel and the melt injection sub-shaft to rotate through the driving shaft synchronous belt so as to control the rotation of the melt adhesive belt wheel or the melt adhesive belt wheel.
According to the single-motor-driven all-electric injection molding system, the meltallizing transfer shaft is provided with the meltallizing synchronous wheel, the meltallizing synchronous wheel and the meltallizing transfer shaft are in one-way linkage through the meltallizing one-way bearing, and the meltallizing synchronous wheel is connected with the meltallizing belt wheel through the meltallizing synchronous belt. Be connected through the melten gel hold-in range between melten gel band pulley and the melten gel synchronizing wheel, when melten gel transfer spool drive melten gel one-way bearing is rotatory, the melten gel synchronizing wheel is rotatory along with the one-way bearing of melten gel, it is rotatory to drive the melten gel band pulley through the melten gel hold-in range, the melten gel band pulley drives the melten gel screw rod rotatory, the melten gel screw rod grinds the melten gel to the sizing material that enters into in the melten gel section of thick bamboo when rotatory, make the sizing material form the melting sizing material, form the molten state in-process at the sizing material, the sizing material can enter into the front end of chewing of the penetrating of melten gel section of thick bamboo and pile up.
According to the single-motor-driven all-electric injection molding system, the injection transfer shaft is provided with the injection synchronizing wheel, the injection synchronizing wheel and the injection transfer shaft are in one-way linkage through the injection one-way bearing, and the injection synchronizing wheel is connected with the injection belt wheel through the injection synchronous belt. The glue injection belt wheel is connected with the glue injection synchronous wheel through the glue injection synchronous belt, when the glue injection transfer spindle drives the glue injection one-way bearing to rotate, the glue injection synchronous wheel rotates along with the glue injection one-way bearing, the glue injection belt wheel is driven to rotate through the glue injection synchronous belt, the linear motion of the glue injection support on the base can be driven through the screw-nut pair structure when the glue injection belt wheel rotates, the glue injection screw is driven to have linear motion, and the glue injection screw is made to extrude a glue material to inject glue towards the axial motion of the injection nozzle direction in the glue injection cylinder.
The single-motor-driven all-electric injection molding system is characterized in that the base is rotatably provided with the glue injection ball screw, the glue injection belt wheel is connected with the glue injection ball screw, and the injection platform support can axially move linearly along the glue injection ball screw. Penetrate a support spiro union and penetrate gluey ball screw on, penetrate gluey band pulley and drive and penetrate gluey ball screw rotatory, penetrate a support and do linear motion along penetrating gluey ball screw's axial when penetrating gluey ball screw rotatory, realize driving the linear motion of melting the gluey screw and penetrate gluey.
According to the single-motor-driven all-electric injection molding system, the base is provided with the back pressure assembly for providing back pressure for the injection platform assembly. The backpressure subassembly is used for at the melten gel with take out gluey in-process, and the melten gel screw rod produces the correlation platform subassembly and has backward thrust when rotatory in the melten gel section of thick bamboo, and the backpressure subassembly provides the backpressure and is used for balancing this backward thrust.
Foretell single motor drive is electric injection molding system entirely, backpressure subassembly include that the backpressure takes out glue cylinder and backpressure oil tank, and the backpressure is taken out the glue cylinder and is established on the base, the backpressure takes out the glue cylinder and penetrate a leg joint, and the backpressure oil tank is taken out the glue cylinder intercommunication with the backpressure. The rotary melten gel of melten gel screw rod in the melten gel section of thick bamboo through screw rod rotary motion, makes the melten gel screw rod retreat, promotes to penetrate a support and retreat on the base, and the piston rod connection that the gluey jar was taken out to the backpressure penetrates a support, and gluey jar input hydraulic oil is taken out to the backpressure, and to penetrating a support and producing a resistance through the piston rod, and this resistance hinders the melten gel screw rod rearward movement, increases the pressure of melten gel screw rod to sizing material granule, promotes the melting effect to the sizing material.
The single-motor-driven all-electric injection molding system comprises a back pressure glue pumping cylinder, a cylinder body front cover and a cylinder body rear cover, wherein the cylinder body front cover and the cylinder body rear cover are arranged at the front end and the rear end of the cylinder body, a piston and a piston rod are arranged in the cylinder body, the piston rod extends out of the cylinder body and is connected with the injection platform assembly, a glue pumping air cavity is formed by the piston and the cylinder body front cover, and a glue pumping air valve is connected with the glue pumping air cavity. The glue extracting air valve is used for switching on and off compressed air flow, the glue extracting air valve is communicated with an air source to enable the glue extracting air cavity to input air pressure, the piston and the piston rod are pushed to move towards the direction of the rear cover of the cylinder body, the piston rod pulls the injection platform support to move backwards, therefore, the glue melting screw rod is pulled to move backwards in the glue melting cylinder, and the pressure of a molten glue material on the glue melting screw rod is reduced after glue melting is completed.
According to the single-motor-driven all-electric injection molding system, the piston and the rear cover of the cylinder body form a back pressure oil cavity, and a back pressure selection valve and an overflow valve are arranged between the back pressure oil cavity and the back pressure oil tank. When hydraulic oil is input into the back pressure oil cavity, the piston and the piston rod have pressure towards the direction of the injection platform assembly, pressure is applied to the injection platform support through the piston rod, the direction of the pressure is opposite to the direction of the pressure pushed by the molten rubber material through the molten rubber screw, and back pressure is provided for the molten rubber screw. The overflow valve is used for being communicated when backpressure is needed in the glue melting process, so that hydraulic oil in the backpressure oil cavity flows into the oil tank at a stable flow speed through the overflow valve, and the pressure of the glue melting screw on glue materials is increased and maintained so as to improve the melting effect. The back pressure selection valve is used for selecting to insert the overflow valve into oil passages of the back pressure oil cavity and the back pressure oil tank during glue melting.
The base of the single-motor-driven all-electric injection molding system is provided with a feed opening, the feed opening is communicated with a melt adhesive cavity of a melt adhesive cylinder, and the front end of the melt adhesive cylinder is provided with an injection nozzle.
The beneficial effects obtained by the invention are as follows: through the cooperation of the glue melting one-way bearing and the glue injection one-way bearing, the single driving motor is used for completing the glue melting and the glue injection actions, so that the structure of the injection molding system is simplified, and the utilization rate of the motor is improved. In the glue melting process, a back pressure glue pumping cylinder is used for applying pressure to a glue melting screw, so that the pressure of the glue melting screw on the glue material is maintained, and the melting effect on the glue material is improved; the pressure on the rubber compound is increased, and the melting plasticization of the rubber compound and the color mixing effect are increased. In the glue pumping process, the back pressure glue pumping cylinder pulls the injection platform support to retreat, and the pressure of liquid melting on the glue melting screw is reduced.
According to the invention, through the forward and reverse rotation of the driving motor, two actions of controlling the molten rubber injection by a single motor are realized, one set of driving control equipment is reduced, the arrangement of a control box is facilitated, the temperature control in the control box is easier, and the cost of the equipment is reduced. The invention can properly increase the reduction ratio and reduce the requirement on the driving motor. Compared with the prior full electric injection platform with the backpressure actively driven by a motor, the passive oil way improves the energy utilization rate, saves more energy and further reduces the use cost. The invention can concentrate the bearings of the molten rubber and the injection rubber in the same casting to form the injection platform assembly, and has the advantages of integrated processing, high precision, low difficulty in assembly and adjustment of parts and convenient maintenance.
Drawings
FIG. 1 is a schematic perspective view of an embodiment of the present invention;
FIG. 2 is a schematic perspective view of another embodiment of the present invention;
FIG. 3 is a schematic diagram of a front view configuration of an embodiment of the present invention;
FIG. 4 isbase:Sub>A schematic cross-sectional view taken along the line A-A of FIG. 3;
FIG. 5 is a schematic cross-sectional view taken along the line B-B of FIG. 3 in accordance with an embodiment of the present invention;
FIG. 6 is a schematic cross-sectional view taken along the line C-C of FIG. 3 in accordance with an embodiment of the present invention;
FIG. 7 is a schematic cross-sectional view taken along the direction D-D of the embodiment of the present invention shown in FIG. 3;
FIG. 8 is an exploded view of an embodiment of the present invention;
fig. 9 is a schematic diagram of oil and gas path control according to an embodiment of the present invention.
Description of reference numerals: the injection molding machine comprises a melt adhesive cylinder 1, a melt adhesive screw 11, a melt adhesive cavity 12, an injection nozzle 13, a base 2, a feed opening 21, an injection table assembly 3, an injection table support 31, a melt adhesive synchronous belt 311, a driving shaft synchronous belt 312, a melt adhesive synchronous belt 313, a driving motor 314, a melt adhesive driving wheel 315, a melt adhesive one-way bearing 321, a melt adhesive synchronous wheel 322, a melt adhesive split shaft 323, a melt adhesive driving wheel 324, a melt adhesive one-way bearing 325, a melt adhesive synchronous wheel 326, a melt adhesive pulley 331, a melt adhesive pulley 332, a melt adhesive ball screw 333, a back pressure assembly 4, a back pressure oil path block 41, a back pressure oil tank 42, a glue pumping air path block 43, a back pressure glue pumping cylinder 44, a back pressure selection valve 411, a back pressure 412, a glue pumping air valve 431, a piston rod 441, a cylinder front cover 442, a piston 443, a cylinder rear cover 444, a glue pumping air cavity 445, a back pressure oil cavity 446 and a cylinder 447.
Detailed Description
The invention is further described with reference to the following figures and detailed description.
As shown in fig. 1 to 9, a single-motor-driven all-electric injection molding system includes a base 2, an injection platform assembly 3 movably disposed on the base 2, a glue melting cylinder 1 is disposed on the base 2, a glue melting screw 11 penetrates through the glue melting cylinder 1, the injection platform assembly 3 drives the glue melting screw 11 to make a rotational linear motion in the glue melting cylinder 1, the injection platform assembly 3 includes an injection platform support 31, a driving motor 314 disposed on the injection platform support 31, and a melt distribution shaft 323, the injection platform support 31 is provided with a glue melting pulley 331 and a glue injection pulley 332, the driving motor 314 drives the melt distribution shaft 323 to rotate, the melt distribution shaft 323 is linked with the glue melting pulley 331 through a glue melting one-way bearing 321, the glue melting pulley 331 drives the glue melting screw 11 to rotate glue, the melt distribution shaft 323 is linked with the glue injection pulley 332 through a glue injection one-way bearing 325, and the glue injection pulley 332 drives the injection platform support 31 to make a linear motion on the base 2, so as to drive the glue melting screw 11 to make a linear motion in the glue melting cylinder 1.
A one-way bearing is one that is free to rotate in one direction and locks in the other direction. The melt one-way bearing 321 and the injection one-way bearing 325 are disposed on the melt injection split shaft 323. When the melt injection split shaft 323 rotates around one direction and is used for driving the melt adhesive belt wheel 331 to rotate, the melt adhesive one-way bearing 321 is locked, the melt injection split shaft 323 and the inner ring and the outer ring of the melt adhesive one-way bearing 321 form a rigid structure and rotate together, the melt adhesive belt wheel 331 is driven to rotate through the melt adhesive synchronous belt 311, the melt adhesive belt wheel 331 drives the melt adhesive screw rod 11 to rotate, and the melt adhesive is ground in the melt adhesive barrel 1 in a rotating mode. In the glue melting process, the glue injection one-way bearing 325 rotates unidirectionally and freely, the inner ring of the glue injection one-way bearing 325 can rotate freely relative to the outer ring, the melt injection split shaft 323 and the inner ring of the glue injection one-way bearing 325 rotate together, and at the moment, the glue injection one-way bearing 325 cannot drive the glue injection belt wheel 332 to rotate. Similarly, when the glue injection is performed, the melt injection split shaft 323 rotates reversely, the glue injection one-way bearing 325 is locked unidirectionally, the glue injection synchronous belt 313 drives the glue injection belt pulley 332 to rotate, the glue injection belt pulley 332 drives the glue injection ball screw 333 to rotate, so that the injection table support 31 moves forward along the axial direction of the glue injection ball screw 333, and the glue injection screw 11 is pushed to move axially in the glue injection cylinder 1 to inject glue. In the glue injecting process, the glue melting one-way bearing 321 rotates unidirectionally and freely, the inner ring of the glue melting one-way bearing 321 can rotate freely relative to the outer ring, the melt injection split shaft 323 and the inner ring of the glue melting one-way bearing 321 rotate together in the outer ring, and the glue melting one-way bearing 321 cannot drive the glue melting belt wheel 331 to rotate.
The driving motor 314 is connected with a melt injection driving wheel 315, a melt injection driving wheel 324 is arranged on the melt injection split shaft 323, and the melt injection driving wheel 315 is connected with the melt injection driving wheel 324 through a driving shaft synchronous belt 312.
The meltallizing split shaft 323 is provided with a meltallizing synchronous wheel 322, the meltallizing synchronous wheel 322 is linked with the meltallizing split shaft 323 in a single direction through a meltallizing one-way bearing 321, and the meltallizing synchronous wheel 322 is connected with a meltallizing belt wheel 331 through a meltallizing synchronous belt 311.
The melt injection split shaft 323 is provided with a glue injection synchronizing wheel 326, the glue injection synchronizing wheel 326 and the melt injection split shaft 323 are linked in a single direction through a glue injection one-way bearing 325, and the glue injection synchronizing wheel 326 is connected with a glue injection belt wheel 332 through a glue injection synchronizing belt 313.
In other embodiments, the linkage of the melt injection split shaft 323 with the melt adhesive belt wheel 331 and the melt adhesive belt wheel 332 can also be realized by a chain wheel and chain transmission connection mode.
The base 2 is rotatably provided with a glue injection ball screw 333, the glue injection belt wheel 332 is connected with the glue injection ball screw 333, and the injection platform bracket 31 can do linear motion along the axial direction of the glue injection ball screw 333. The glue injecting ball screw 333 is in threaded connection with the base 2, and when the glue injecting allen 327 drives the glue injecting ball screw 333 to rotate, the glue injecting ball screw 333 can linearly reciprocate on the base 2, so as to drive the injection platform bracket 31 which can be rotatably arranged on the glue injecting ball screw 333 to linearly reciprocate, and to push the glue melting screw 11 to linearly move in the glue melting cylinder 1 for glue injection. Alternatively, the glue injection ball screw 333 may be rotatably disposed on the base 2, the injection stage bracket 31 may be screwed to the glue injection ball screw 333 through a nut or nut pair structure, and when the glue injection pulley 332 drives the glue injection ball screw 333 to rotate, the injection stage bracket 31 reciprocates in the axial direction of the glue injection ball screw 333.
The base 2 is provided with a back pressure component 4 for providing back pressure for the shooting table component 3.
The back pressure component 4 comprises a back pressure rubber pumping cylinder 44 and a back pressure oil tank 42, the back pressure rubber pumping cylinder 44 is arranged on the base 2, the back pressure rubber pumping cylinder 44 is connected with the injection platform support 31, and the back pressure oil tank 42 is communicated with the back pressure rubber pumping cylinder 44. Wherein, the base 2 is provided with a back pressure oil path block 41, and the oil path is connected with a back pressure rubber pumping cylinder 44 and a back pressure oil tank 42 through the back pressure oil path block 41.
The back pressure glue pumping cylinder 44 comprises a cylinder body 447, a cylinder body front cover 442 and a cylinder body rear cover 444 which are arranged at the front end and the rear end of the cylinder body 447, a piston 443 and a piston rod 441 are arranged in the cylinder body 447, the piston rod 441 extends out of the cylinder body 447 to be connected with the injection platform assembly 3, the piston 443 and the cylinder body front cover 442 form a glue pumping air cavity 445, and the glue pumping air cavity 445 is connected with a glue pumping air valve 431. The base 2 is provided with a glue pumping air path block 43, and the glue pumping air path block 43 is connected with a glue pumping air cavity 445 of the back pressure glue pumping cylinder 44.
The piston 443 and the cylinder rear cover 444 form a back pressure oil chamber 446, and a back pressure selector valve 411 and a relief valve 412 are provided between the back pressure oil chamber 446 and the back pressure oil tank 42.
The base 2 is provided with a feed opening 21, the feed opening 21 is communicated with a melt glue cavity 12 of the melt glue cylinder 1, and the front end of the melt glue cylinder 1 is provided with a jet nozzle 13.
The present invention will be further described with reference to the working principle of the present invention in the specific implementation.
The driving motor 314 rotates forward, and drives the meltallizing driving wheel 324 and the meltallizing split shaft 323 to rotate through the driving shaft synchronous belt 312. When the driving motor 314 rotates forward, the rotational direction of the meltallizing split shaft 323 causes the meltallizing one-way bearing 321 to be locked in a one-way mode, and the meltallizing one-way bearing 325 is in a one-way free rotation state. The glue melting one-way bearing 321 and the glue melting synchronous wheel 322 form a rigid structure to rotate along with the melt injection split shaft 323, the glue melting synchronous wheel 322 drives the glue melting belt wheel 331 to rotate through the glue melting synchronous belt 311, and the glue melting belt wheel 331 is connected with the glue melting screw rod 11 and drives the glue melting screw rod 11 to rotate in the glue melting cavity 12. The rubber material particles enter the rubber melting cavity 12 of the rubber melting cylinder 1 from the feed opening 21 on the base 2, the rubber melting screw 11 performs rotary shearing and friction heating on the rubber material particles to enable the rubber material to form a molten state, and the molten rubber material is conveyed towards the injection nozzle 13.
The driving motor 314 rotates reversely, and drives the meltallizing driving wheel 324 and the meltallizing split shaft 323 to rotate reversely through the driving shaft synchronous belt 312. When the driving motor 314 rotates reversely, the rotational direction of the injection split shaft 323 unidirectionally locks the injection one-way bearing 325, and the melt one-way bearing 321 rotates unidirectionally. The glue injection one-way bearing 325 and the glue injection synchronizing wheel 326 form a rigid structure to rotate along with the glue injection split shaft 323, the glue injection synchronizing wheel 326 drives the glue injection belt wheel 332 to rotate through the glue injection synchronous belt 313, the glue injection belt wheel 332 drives the glue injection ball screw 333 to rotate, the glue injection table support 31 is pushed to move forwards, the glue injection screw 11 is driven to do axial linear motion, and the glue injection function is achieved.
In the glue melting process, the glue extraction air valve 431 is in the middle position, and the glue extraction air chamber 445 is communicated with the T port through the A port of the glue extraction air valve 431. The coil S3 of the back pressure selector valve 411 is charged, and the port P of the back pressure selector valve 411 communicates with the back pressure oil tank 42 through the port T. During melting, the melting screw 11 rotates backward to push the injection platform assembly 3 backward together with the piston rod 441 and the piston 443 of the back pressure glue pumping cylinder 44, and the hydraulic oil in the back pressure oil chamber 446 is reduced to flow back to the back pressure oil tank 42 through the T port of the back pressure selection valve 411.
When the back pressure function is needed in the glue melting process, the glue extraction air valve 431 is in the middle position, and the glue extraction air chamber 445 is communicated with the T port through the A port of the glue extraction air valve 431. The coil S2 of the back pressure selector valve 411 is charged, and the port P of the back pressure selector valve 411 communicates with the relief valve 412 through the port B. During melting, the melting screw 11 rotates and retreats to push the injection platform assembly 3 to retreat together with the piston rod 441 and the piston 443 of the back pressure glue pumping cylinder 44, the hydraulic oil in the back pressure oil cavity 446 flows through the relief valve 412, and the back pressure oil cavity 446 has a back pressure on the piston 443 and the piston rod 441 under the action of the relief valve 412, so that the hydraulic oil is transmitted to the melting screw 11 through the injection platform assembly 3 to enable the melting screw 11 to generate the back pressure.
In the process of injecting glue, the glue extracting air valve 431 is in the middle position, and the glue extracting air cavity 445 is communicated with the T port through the A port of the glue extracting air valve 431. The coil S3 of the back pressure selection valve 411 is charged, and the port P of the back pressure selection valve 411 communicates with the port T. When the piston 443 and the piston rod 441 are pulled forward through the injection stage bracket 31, the volume of the back pressure oil chamber 446 increases, and hydraulic oil is sucked out of the back pressure oil tank 42 through the port P of the back pressure selection valve 411 and enters the back pressure oil chamber 446, thereby ensuring smooth injection operation.
After the melting is completed, the molten rubber accumulates at the front end of the melting barrel 1, and the liquid molten rubber has backward pressure on the melting screw 11, which needs to be reduced in actual work. The coil S3 of the back pressure selection valve 411 is charged, and the port P of the back pressure selection valve 411 communicates with the port T through the port a. The coil S1 of the glue extracting air valve 431 is electrified, an external air source enters the glue extracting air cavity 445 of the backpressure glue extracting cylinder 44 from the port P of the glue extracting air valve 431 through the port A, the piston 443 is pushed by high-pressure air to drive the piston rod 441 of the piston 443 to move backwards, the piston rod 441 pulls the injection platform assembly 3 to be located backwards, the glue extracting function is achieved, and the pressure of molten glue on the glue melting screw 11 is reduced.
In summary, the actual samples prepared according to the present invention and shown in the specification and drawings are tested for multiple uses, and from the results of the use tests, it is needless to say that the present invention can achieve the intended purpose and the practical value. The above-mentioned embodiments are only for convenience of illustration and not intended to limit the invention in any way, and those skilled in the art will be able to make equivalents of the features of the invention without departing from the technical scope of the invention.
Claims (10)
1. The utility model provides a single motor drive all-electric injection molding system, includes base (2), the mobile platform subassembly (3) of penetrating that locates on base (2), is equipped with a melt adhesive section of thick bamboo (1) on base (2), wears to be equipped with melt adhesive screw rod (11) in melt adhesive section of thick bamboo (1), penetrates platform subassembly (3) drive melt adhesive screw rod (11) and is rotatory linear motion, its characterized in that in melt adhesive section of thick bamboo (1): penetrate a subassembly (3) including penetrating a support (31), locate driving motor (314) and melt injection distributing shaft (323) on penetrating a support (31), it has melt adhesive belt wheel (331) and penetrates adhesive belt wheel (332) to penetrate a support (31) to be equipped with, driving motor (314) drive melt injection distributing shaft (323) rotatory, melt injection distributing shaft (323) link through melt adhesive one-way bearing (321) and melt adhesive belt wheel (331), melt adhesive belt wheel (331) drive melt adhesive screw rod (11) rotatory melt adhesive, melt injection distributing shaft (323) link through penetrate adhesive one-way bearing (325) and penetrate adhesive belt wheel (332), it penetrates adhesive belt wheel (332) drive and penetrates a support (31) linear motion on base (2), in order to drive melt adhesive screw rod (11) linear motion in melt adhesive barrel (1) and penetrate the glue.
2. The single motor driven all electric injection molding system of claim 1, wherein: the driving motor (314) is connected with a melt injection driving wheel (315), a melt injection driving wheel (324) is arranged on the melt injection split shaft (323), and the melt injection driving wheel (315) is connected with the melt injection driving wheel (324) through a driving shaft synchronous belt (312).
3. The single motor driven all electric injection molding system of claim 1, wherein: the melten gel synchronizing wheel (322) is arranged on the melten gel distributing shaft (323), the melten gel synchronizing wheel (322) is in one-way linkage with the melten gel distributing shaft (323) through a melten gel one-way bearing (321), and the melten gel synchronizing wheel (322) is connected with the melten gel belt wheel (331) through a melten gel synchronous belt (311).
4. The single motor driven all electric injection molding system of claim 1, wherein: the injection split shaft (323) is provided with an injection synchronizing wheel (326), the injection synchronizing wheel (326) is in one-way linkage with the injection split shaft (323) through an injection one-way bearing (325), and the injection synchronizing wheel (326) is connected with an injection belt wheel (332) through an injection synchronous belt (313).
5. The single motor driven all electric injection molding system of claim 1, wherein: the base (2) is rotatably provided with a glue injection ball screw (333), a glue injection belt wheel (332) is connected with the glue injection ball screw (333), and the injection platform support (31) can do linear motion along the axial direction of the glue injection ball screw (333).
6. The single motor driven all electric injection molding system of claim 1, wherein: the base (2) is provided with a backpressure component (4) used for providing backpressure for the injection platform component (3).
7. The single motor driven all electric injection molding system of claim 6, wherein: the back pressure component (4) comprises a back pressure rubber pumping cylinder (44) and a back pressure oil tank (42), the back pressure rubber pumping cylinder (44) is arranged on the base (2), the back pressure rubber pumping cylinder (44) is connected with the injection platform support (31), and the back pressure oil tank (42) is communicated with the back pressure rubber pumping cylinder (44).
8. The single motor driven all electric injection molding system of claim 7, wherein: the back pressure glue pumping cylinder (44) comprises a cylinder body (447), a cylinder body front cover (442) and a cylinder body rear cover (444) which are arranged at the front end and the rear end of the cylinder body (447), a piston (443) and a piston rod (441) are arranged in the cylinder body (447), the piston rod (441) extends out of the cylinder body (447) to be connected with the injection platform assembly (3), the piston (443) and the cylinder body front cover (442) form a glue pumping air cavity (445), and the glue pumping air cavity (445) is connected with a glue pumping air valve (431).
9. The single motor driven all electric injection molding system of claim 8, wherein: a back pressure oil chamber (446) is formed by the piston (443) and the cylinder body rear cover (444), and a back pressure selection valve (411) and a relief valve (412) are arranged between the back pressure oil chamber (446) and the back pressure oil tank (42).
10. The single motor driven all electric injection molding system of claim 1, wherein: the base (2) is provided with a feed opening (21), the feed opening (21) is communicated with a melt adhesive cavity (12) of the melt adhesive cylinder (1), and the front end of the melt adhesive cylinder (1) is provided with an injection nozzle (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211558163.2A CN115946313A (en) | 2022-12-06 | 2022-12-06 | Single motor drive all-electric injection molding system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211558163.2A CN115946313A (en) | 2022-12-06 | 2022-12-06 | Single motor drive all-electric injection molding system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115946313A true CN115946313A (en) | 2023-04-11 |
Family
ID=87285151
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211558163.2A Pending CN115946313A (en) | 2022-12-06 | 2022-12-06 | Single motor drive all-electric injection molding system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115946313A (en) |
-
2022
- 2022-12-06 CN CN202211558163.2A patent/CN115946313A/en active Pending
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