CN218803805U - Electric injection molding machine - Google Patents
Electric injection molding machine Download PDFInfo
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- CN218803805U CN218803805U CN202222532818.0U CN202222532818U CN218803805U CN 218803805 U CN218803805 U CN 218803805U CN 202222532818 U CN202222532818 U CN 202222532818U CN 218803805 U CN218803805 U CN 218803805U
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- 238000001746 injection moulding Methods 0.000 title claims abstract description 28
- 230000005540 biological transmission Effects 0.000 claims abstract description 159
- 238000002347 injection Methods 0.000 claims abstract description 60
- 239000007924 injection Substances 0.000 claims abstract description 60
- 238000004146 energy storage Methods 0.000 claims description 7
- 239000000463 material Substances 0.000 claims description 6
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 230000001360 synchronised effect Effects 0.000 abstract description 4
- 230000033001 locomotion Effects 0.000 description 10
- 230000009471 action Effects 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 239000003292 glue Substances 0.000 description 3
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000011065 in-situ storage Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 238000010345 tape casting Methods 0.000 description 2
- 238000007654 immersion Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
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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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- Injection Moulding Of Plastics Or The Like (AREA)
Abstract
The utility model relates to an electric injection molding machine, it includes frame, feed cylinder, screw rod, pressure sensor, driving system, and wherein driving system includes transmission lead screw, transmission swivel nut, transmission shaft, reinforced power device, jets out power device and jets out auxiliary unit, and wherein the spiral opposite direction of transmission lead screw and screw rod, the inside of transmission shaft is formed with the connecting hole that matches with the preceding tip of transmission lead screw, and the preceding tip of transmission swivel nut rotates relatively with the back tip of transmission shaft to be connected. The utility model can realize the synchronous cooperation of the injection motor and the feeding motor during feeding, improve the utilization efficiency of the motor, reduce the specification of the feeding motor, and simultaneously, the injection auxiliary unit can effectively store energy; during injection, the specifications of the injection motor are reduced by the energy release matching of the injection and the injection auxiliary unit, so that the motor matching requirement is greatly reduced, and the manufacturing cost and the use cost are reduced.
Description
Technical Field
The utility model belongs to the injection molding machine field, concretely relates to electric injection molding machine.
Background
At present, an injection device of an injection molding machine mainly realizes four actions:
and (3) injection: the injection motor drives the rotary screw rod to push the injection screw rod to move forward;
pressure maintaining: keeping the pressure intensity of the die cavity and the material pipe unchanged for a period of time, and continuously applying work by the injection motor;
feeding: the feeding motor drives the glue injection screw to rotate (the glue injection screw can only rotate in one direction);
loosening after loosening: the pressure of screw rod anterior segment can be bigger and bigger to produce the backpressure when the feeding motor drives the rotation of penetrating the gluey screw rod, at this moment need the transmission lead screw to move backward and release the backpressure, feeding motor and the simultaneous working of ejection motor this moment.
However, in most injection molding machines, the injection shaft and the feeding shaft are respectively controlled by one servo motor, and the injection motor drives the transmission screw rod to rotate through the injection belt to push the screw rod to move forwards and backwards; during feeding, the feeding motor drives the screw rod to rotate, thus, a servo motor is required for ejection and feeding (the ejection servo motor is larger than the feeding servo motor in general conditions), and in the whole injection process, the servo motors do not work at the same time with the maximum torque force (that is, when the output power of the ejection motor is the maximum, the feeding motor does not work at the same time with the maximum output, and vice versa), so that the utilization efficiency of the motors is relatively low, therefore, the selection and matching of the servo motors increase the manufacturing cost of the injection molding machine, the utilization rate of the servo motors is low, and the injection molding cost is high.
Disclosure of Invention
The utility model aims to solve the technical problem that prior art is not enough to overcome, a modified electric injection molding machine is provided.
In order to solve the technical problem, the utility model discloses the technical scheme who takes as follows:
an electric injection molding machine, comprising:
a machine base;
the charging barrel comprises a barrel body and a nozzle, wherein a material cavity is formed in the barrel body, and the nozzle is arranged at the front end part of the barrel body;
a screw extending along the length direction of the material cylinder and extending into the base from the rear end;
a pressure sensor;
the power system is used for driving the screw rod to rotate around the axis of the screw rod or/and to linearly move along the length direction of the screw rod, and particularly comprises a transmission screw rod concentric with the screw rod, a transmission screw sleeve matched with the transmission screw rod, a transmission shaft used for coaxially connecting the transmission screw sleeve and the screw rod and capable of rotating around the axis of the screw rod or moving along the axis direction of the screw rod, a feeding power device used for driving the transmission shaft to rotate around the axis of the screw rod, an ejection power device used for driving the transmission screw rod to rotate around the axis of the screw rod, and an ejection auxiliary unit which synchronously moves with the transmission screw sleeve and has energy storage and energy release functions, wherein the spiral directions of the transmission screw rod and the screw rod are opposite, a connecting hole matched with the front end part of the transmission screw rod is formed in the transmission shaft, and the front end part of the transmission screw sleeve is relatively and rotatably connected with the rear end part of the transmission shaft.
Preferably, the transmission threaded sleeve is in transmission connection with the transmission shaft through a bearing. Specifically, the bearing is a needle bearing. Therefore, the motion synchronism of the transmission threaded sleeve and the transmission shaft is improved through the thrust of the needle bearing.
According to the utility model discloses a concrete implementation and preferred aspect form the bearing apron in the bearing periphery, jet out auxiliary unit including the cover establish the transmission screw periphery jet out the transmission seat, with the transmission screw parallel and both ends connect respectively at the bearing apron with jet out the pneumatic cylinder between the transmission seat, be used for controlling the energy storage ware of the flexible volume of pneumatic cylinder, wherein the pneumatic cylinder has two at least, and round transmission screw circumference evenly distributed.
Preferably, the transmission screw sleeve is internally provided with a thread matching hole, wherein the thread matching hole and the connecting hole are equal in hole diameter and are aligned with each other in the center. In this way, the outer diameters of the drive screws remain equal.
According to the utility model discloses a still another concrete implementation and preferred aspect, reinforced power ware includes that the cover that the axle center aligns establishes reinforced rim plate, output shaft and the parallel reinforced motor of screw rod, with reinforced motor and reinforced rim plate looks drive connection's reinforced driving medium and stopper in the transmission shaft periphery, wherein reinforced rim plate passes through keyway cooperation portion and transmission shaft rotation and sliding connection, and the stopper is used for the rotation of the relative transmission shaft of the reinforced rim plate of braking.
Preferably, the feeding wheel disc is a gear disc, and the feeding transmission part comprises a transmission gear which is arranged on the output shaft and is meshed with the gear disc.
Preferably, there are at least two sets of keyway cooperation portions, and around the transmission shaft circumference evenly distributed, wherein every keyway cooperation portion includes along the key of transmission shaft length direction extension, set up on the charging rim plate with the groove of key matching.
Preferably, the brake is a dog brake, and the dog brake is provided on the output shaft.
The ball screw assembly is formed by the transmission screw rod, the transmission shaft and the transmission thread insert. Therefore, the rotation of the transmission screw rod can be accurately implemented, and the motion output of the transmission screw sleeve and the transmission shaft to the screw rod can be more stably completed.
In addition, the rear end of the transmission screw rod penetrates out of the rear end of the base, and the ejection power device comprises an ejection wheel disc fixed at the rear end part of the transmission screw rod, an ejection motor positioned at the bottom of the base and an ejection transmission piece used for driving and connecting the ejection motor and the ejection wheel disc.
In conclusion, the injection molding machine of the application has the following injection molding working states:
and (3) injection: the injection motor and the energy accumulator supply oil to the injection auxiliary oil cylinder, at the moment, the jaw brake brakes, and under the cooperation of the key groove matching part, the injection motor drives the transmission screw rod to rotate clockwise, so that the forward movement of the transmission screw sleeve and the transmission shaft (namely the forward movement of the injection screw rod) is realized.
And (3) pressure maintaining: the ejection motor and the hydraulic cylinder jointly exert force to maintain certain pressure.
Feeding:
state 1: the injection motor drives the transmission screw rod to rotate anticlockwise at a rotating speed of N1, the feeding motor drives the transmission shaft to rotate at a rotating speed of N2, N1= N2, and the screw rod and the transmission screw sleeve rotate in situ for feeding;
and 2, state: when the state 1 is fed to a certain stage, back pressure is generated, the rotating speed N1 of the transmission screw rod is increased to be more than N2, the transmission screw sleeve retreats, and the ejection auxiliary oil cylinder compresses and stores energy;
and the energy storage of the compression of the charging and ejecting auxiliary oil cylinder is realized by repeating the state 1 and the state 2.
After loosening (tape casting): the jaw brake brakes, the injection motor rotates anticlockwise, and the transmission threaded sleeve is retracted by overcoming the force of the injection auxiliary oil cylinder;
before the next injection action is started, the energy accumulator and the injection auxiliary oil cylinder are disconnected.
Because of the implementation of above technical scheme, the utility model discloses compare with prior art and have following advantage:
the utility model discloses when reinforced, can realize the synchronous cooperation of ejaculating motor and feeding motor, promote the utilization efficiency of motor, reduce the specification of feeding motor, ejaculate auxiliary unit simultaneously and can carry out effective energy storage; during injection, the specifications of the injection motor are reduced by matching the energy release of the injection and injection auxiliary units, so that the motor matching requirement is greatly reduced, and the manufacturing cost and the use cost are reduced.
Drawings
Fig. 1 is a schematic structural view of an electric injection molding machine of the present invention;
FIG. 2 is a schematic front view of FIG. 1;
FIG. 3 is a top view of FIG. 1;
FIG. 4 isbase:Sub>A schematic sectional view (partially in section) taken along line A-A in FIG. 3;
FIG. 5 isbase:Sub>A schematic sectional view taken along line A-A of FIG. 3 (with the nozzle omitted);
FIG. 6 is an exploded view of the structure of FIG. 1;
FIG. 7 is an exploded view of the portion of FIG. 6;
wherein: 1. a machine base; 10. a rear seat body; 11. a front seat body;
2. a charging barrel; 20. a cylinder body; 21. a nozzle; 20a, a plastic material inlet;
3. a screw;
4. a pressure sensor;
D. a power system; 5. a transmission screw rod; 6. a transmission threaded sleeve; 7. a drive shaft; g. a needle bearing; b. a bearing cover plate; 8. a charging power device; 80. a charging wheel disc; 81. a charging motor; 82. a feeding transmission part; 820. a transmission gear; 83. a brake; j. a keyway mating section; j1, a bond; j2, a groove; 9. an injection power unit; 90. ejecting the wheel disc; 91. an injection motor; 92. ejecting the transmission member; 920. an injection pulley; 921. a synchronous belt; c. an anti-skid wheel groove; s, an ejection auxiliary unit; s1, an injection transmission seat; s2, a hydraulic cylinder; and s3, an energy accumulator.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present application more comprehensible, embodiments accompanying figures are described in detail below. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present application. This application is capable of embodiment in many different forms than those described herein and those skilled in the art will be able to make similar modifications without departing from the spirit of the application and therefore the application is not limited to the specific embodiments disclosed below.
In the description of the present application, it is to be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the present application and for simplicity in description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the present application.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or to implicitly indicate the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of the feature. In the description of the present application, "plurality" means at least two, e.g., two, three, etc., unless explicitly specified otherwise.
In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral parts; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be interconnected within two elements or in a relationship where two elements interact with each other unless otherwise specifically limited. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as the case may be.
In this application, unless expressly stated or limited otherwise, a first feature is "on" or "under" a second feature such that the first and second features are in direct contact, or the first and second features are in indirect contact via an intermediary. Also, a first feature "on," "above," and "over" a second feature may be directly on or obliquely above the second feature, or simply mean that the first feature is at a higher level than the second feature. A first feature "under," "beneath," and "under" a second feature may be directly under or obliquely under the second feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. As used herein, the terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like are for purposes of illustration only and do not denote a single embodiment.
As shown in fig. 1 to 5, the all-electric ejection injection molding machine of the present embodiment includes a base 1, a barrel 2, a screw 3, a pressure sensor 4, and a power system D.
Specifically, the engine base 1 includes a rear seat body 10 forming a seat cavity, and a front seat body 11 detachably mounted on a front end portion of the rear seat body 10.
The charging barrel 2 is fixed to the front seat body 11 from the rear end.
Specifically, the charging barrel 2 comprises a barrel 20 with a cavity formed therein, and a nozzle 21 disposed at the front end of the barrel 20, wherein the barrel 20 is provided with a plastic material inlet 20a.
The screw 3 extends along the length of the barrel 2 and extends into the front seat body 11 from the rear end.
The pressure sensor 4 is provided in the rear seat body 10.
And the power system D is used for driving the screw rod 3 to rotate around the axis of the screw rod or/and move linearly along the length direction of the screw rod.
Referring to fig. 6 and 7, the power system D includes a driving screw 5 located behind the screw 3 and having a rear end penetrating through the rear seat body 10, a driving screw 6 in threaded engagement with the driving screw 5, a driving shaft 7 for coaxially connecting the driving screw 6 and the screw 3 and capable of rotating around its own axis or moving along its own axis direction, a charging power device 8 for driving the driving shaft 7 to rotate around its own axis, an ejection power device 9 for driving the driving screw 5 to rotate around its own axis, and an ejection auxiliary unit S which moves synchronously with the driving screw 6 and has energy storage and energy release functions.
Specifically, the screw 3 has a screw direction opposite to the screw direction of the drive screw 5. In this way, a better cooperative co-movement between the charging power means 8 and the injection power means 9 is obtained, reducing the choice of power specifications.
The inside screw thread fit hole that forms of transmission swivel nut 6, the inside of transmission shaft 7 is formed with the connecting hole that matches with transmission lead screw 5 front end, and wherein the aperture of screw thread fit hole and connecting hole equals and the center aligns the setting. In this way, the outer diameters of the drive screws are kept equal
In this example, the front end of the drive screw 6 is connected to the rear end of the drive shaft 7 in a relatively rotatable manner.
Specifically, the transmission threaded sleeve 6 is in transmission connection with the transmission shaft 7 through a needle bearing g. Therefore, the motion synchronism of the transmission threaded sleeve and the transmission shaft is improved through the thrust of the needle bearing.
A bearing cover plate b is formed on the outer periphery of the needle bearing g.
The ejection auxiliary unit S comprises an ejection transmission seat S1, a hydraulic cylinder S2 and an energy accumulator S3, wherein the ejection transmission seat S1 is sleeved on the periphery of the transmission screw rod 5, the hydraulic cylinder S2 is parallel to the transmission screw rod 5, two ends of the hydraulic cylinder S2 are respectively connected between the bearing cover plate b and the ejection transmission seat S1, the energy accumulator S3 is used for controlling the expansion amount of the hydraulic cylinder S2, and the two hydraulic cylinders S2 are uniformly distributed around the transmission screw rod 5 in the circumferential direction.
In this example, the two hydraulic cylinders s2 are symmetrically arranged on both sides of the transmission screw rod 5 and are synchronously arranged in a telescopic manner.
The feeding power device 8 comprises a feeding wheel disc 80, an output shaft of which is parallel to the screw rod 3, a feeding motor 81, a feeding transmission member 82 and a brake 83, wherein the axes of the feeding wheel disc 80 are aligned and the feeding wheel disc 80 is sleeved on the periphery of the transmission shaft 7, the feeding transmission member 82 is used for driving and connecting the feeding motor 81 and the feeding wheel disc 80, the feeding wheel disc 80 is in rotating and sliding connection with the transmission shaft 7 through a key groove matching part j, and the brake 83 is used for braking the rotation of the feeding wheel disc 80 relative to the transmission shaft 7.
In this example, the charging sheave 80 is a gear disc and the charging transmission 82 includes a drive gear 820 disposed on the output shaft and meshing with the gear disc.
There are two sets of keyway cooperation portion j, and evenly distributed around transmission shaft 7 circumference, wherein every keyway cooperation portion j includes the key j1 that extends along transmission shaft length direction, sets up the groove j2 that matches with key j1 on feeding rim plate 80.
The brake 83 is a dog brake, and the dog brake is provided on the output shaft.
The rear end of the transmission screw rod 5 penetrates out of the rear end of the rear seat body 10.
The injection power device 9 comprises an injection wheel disc 90 fixed at the rear end part of the transmission screw rod 5, an injection motor 91 positioned at the bottom of the backseat body 10, and an injection transmission member 92 for connecting the injection motor 91 and the injection wheel disc 90 in a transmission way.
Specifically, the injection transmission member 92 includes an injection pulley 920 provided on an output shaft of the injection motor 91, and a timing belt 921 that synchronously connects the injection sheave 90 and the injection pulley 920.
In this example, the injection pulley 920 and the injection sheave 90 are provided with a pulley groove c on the outer periphery.
Furthermore, the opening and closing between the hydraulic accumulator s3 and the cylinder (hydraulic cylinder s 2) can also be controlled by a valve.
Meanwhile, the transmission screw rod 5, the transmission shaft 7 and the transmission thread insert 6 form a ball screw assembly. Therefore, the rotation of the transmission screw rod can be accurately implemented, and the motion output of the transmission thread insert and the transmission shaft to the screw rod can be more stably completed.
In this case, the ball screw assembly and the bearing can be lubricated in an oil immersion mode, so that the service life is prolonged.
In conclusion, the injection molding machine of the application has the following injection molding working states:
and (3) injection: the ejection motor and the energy accumulator supply oil to the ejection auxiliary oil cylinder, at the moment, the jaw brake brakes, and under the coordination of the key groove matching part, the ejection motor drives the transmission screw rod to rotate clockwise, so that the forward movement of the transmission screw sleeve and the transmission shaft (namely the forward movement of the glue injection screw rod) is realized.
Pressure maintaining: the ejection motor and the hydraulic cylinder jointly output force to maintain a certain pressure.
Feeding:
state 1: the injection motor drives the transmission screw rod to rotate anticlockwise at a rotating speed of N1, the feeding motor drives the transmission shaft to rotate at a rotating speed of N2, N1= N2, and the screw rod and the transmission screw sleeve rotate in situ for feeding;
state 2: when the state 1 is fed to a certain stage, back pressure is generated, the rotating speed N1 of the transmission screw rod is increased to be more than N2, the transmission screw sleeve retreats, and the ejection auxiliary oil cylinder compresses and stores energy;
and the energy storage of the compression of the charging and ejecting auxiliary oil cylinder is realized by repeating the state 1 and the state 2.
After loosening (tape casting prevention): the jaw brake brakes, the ejection motor rotates anticlockwise, and the transmission threaded sleeve is retracted by overcoming the force of the ejection auxiliary oil cylinder.
Meanwhile, before the next ejection action is started, the energy accumulator and the ejection auxiliary oil cylinder are disconnected.
Therefore, the injection molding machine of the embodiment has the following advantages:
1) Through structural improvement, the utilization maximization of the injection motor is realized, synchronous cooperation of the injection motor and the charging motor can be realized during charging, the utilization efficiency of the motor is improved, the specification of the charging motor is reduced, and meanwhile, the injection auxiliary unit can effectively store energy; during injection, the specifications of the injection motor are reduced by the energy release matching of the injection and the injection auxiliary unit, so that the selection and matching requirements of the motor are greatly reduced, and the manufacturing cost and the use cost are reduced;
2) The transmission shaft and the transmission threaded sleeve are relatively rotatably connected by adopting the needle bearing, and the motion synchronism of the transmission threaded sleeve and the transmission shaft is improved by utilizing the axial thrust of the needle bearing; meanwhile, the spiral direction of the screw is opposite to that of the transmission screw rod, and the axial movement and the circumferential rotation of the transmission shaft are convenient to switch under the matching of the jaw brake and the key groove matching part so as to implement the ejection and charging actions of the screw rod;
3) The specifications of the feeding motor and the ejection motor are reduced, and the corresponding driving specifications are also reduced, so that the motor matching requirement is greatly reduced, and the manufacturing cost and the use cost are reduced.
The present invention has been described in detail, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and the protection scope of the present invention can not be limited thereby, and all equivalent changes or modifications made according to the spirit of the present invention should be covered by the protection scope of the present invention.
Claims (10)
1. An electric injection molding machine, comprising:
a machine base;
the charging barrel comprises a barrel body and a nozzle, wherein a material cavity is formed in the barrel body, and the nozzle is arranged at the front end part of the barrel body;
a screw rod extending along the length direction of the charging barrel and extending into the base from the rear end;
a pressure sensor;
the power system is used for driving the screw rod to rotate around the axis of the screw rod or/and move linearly along the length direction of the screw rod, and is characterized in that: the power system comprises a transmission screw rod concentric with the screw rod, a transmission screw sleeve matched with the transmission screw rod, a transmission shaft, a transmission power device, an ejection auxiliary unit and a transmission screw sleeve, wherein the transmission screw rod is coaxially connected with the screw rod, the transmission shaft can rotate around the axis of the transmission screw rod or move along the axis of the transmission screw rod, the transmission shaft is used for driving the transmission shaft to rotate around the axis of the transmission screw rod, the ejection auxiliary unit is used for driving the transmission screw rod to rotate around the axis of the transmission screw rod, the ejection auxiliary unit synchronously moves with the transmission screw sleeve and has energy storage and energy release functions, the spiral direction of the transmission screw rod is opposite to that of the screw rod, a connecting hole matched with the front end part of the transmission screw rod is formed in the transmission shaft, and the front end part of the transmission screw sleeve is connected with the rear end part of the transmission shaft in a relative rotating mode.
2. The electric injection molding machine of claim 1, wherein: the transmission threaded sleeve is in transmission connection with the transmission shaft through a bearing; and/or the bearing is a needle bearing.
3. The electric injection molding machine of claim 2, wherein: the needle bearing is provided with a bearing cover plate at the periphery, the ejection auxiliary unit comprises an ejection transmission seat sleeved at the periphery of the transmission screw rod, hydraulic cylinders parallel to the transmission screw rod and with two end parts respectively connected between the bearing cover plate and the ejection transmission seat, and energy accumulators used for controlling the expansion amount of the hydraulic cylinders, wherein the number of the hydraulic cylinders is at least two, and the hydraulic cylinders are uniformly distributed around the transmission screw rod in the circumferential direction.
4. The electric injection molding machine of claim 3, wherein: the pressure sensor is arranged between the rear end of the injection transmission seat and the inner wall of the rear end of the engine base.
5. The electric injection molding machine of claim 1, wherein: and a thread matching hole is formed in the transmission thread insert, wherein the diameters of the thread matching hole and the connecting hole are equal, and the centers of the thread matching hole and the connecting hole are aligned.
6. The electric injection molding machine according to any one of claims 1 to 5, characterized in that: the reinforced power device include that the axle center is established that the cover aligns the reinforced rim plate of transmission shaft periphery, output shaft with the parallel reinforced motor of screw rod, will reinforced motor with reinforced rim plate looks transmission connection's reinforced driving medium and stopper, wherein reinforced rim plate pass through keyway cooperation portion with the transmission shaft rotates and sliding connection, the stopper is used for the braking reinforced rim plate is relative the rotation of transmission shaft.
7. The electric injection molding machine of claim 6, wherein: the feeding wheel disc is a gear disc, and the feeding transmission part comprises a transmission gear which is arranged on the output shaft and is meshed with the gear disc; and/or the brake is a jaw brake, and the jaw brake is arranged on the output shaft.
8. The electric injection molding machine of claim 6, wherein: the key slot matching parts are at least two groups and are evenly distributed along the circumferential direction of the transmission shaft, wherein each key slot matching part comprises a key extending along the length direction of the transmission shaft and a groove arranged on the charging wheel disc and matched with the key.
9. The electric injection molding machine of claim 1, wherein: the transmission screw rod, the transmission shaft and the transmission thread insert form a ball screw assembly.
10. The electric injection molding machine of claim 1, wherein: the rear end of the transmission screw rod penetrates out of the rear end of the base, and the ejection power device comprises an ejection wheel disc fixed at the rear end part of the transmission screw rod, an ejection motor positioned at the bottom of the base and an ejection transmission part used for driving and connecting the ejection motor and the ejection wheel disc.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222532818.0U CN218803805U (en) | 2022-09-23 | 2022-09-23 | Electric injection molding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222532818.0U CN218803805U (en) | 2022-09-23 | 2022-09-23 | Electric injection molding machine |
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| Publication Number | Publication Date |
|---|---|
| CN218803805U true CN218803805U (en) | 2023-04-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222532818.0U Active CN218803805U (en) | 2022-09-23 | 2022-09-23 | Electric injection molding machine |
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| CN (1) | CN218803805U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112959629A (en) * | 2021-03-31 | 2021-06-15 | 苏州锦珂塑胶科技有限公司 | Full-electric ejection type injection molding machine |
-
2022
- 2022-09-23 CN CN202222532818.0U patent/CN218803805U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112959629A (en) * | 2021-03-31 | 2021-06-15 | 苏州锦珂塑胶科技有限公司 | Full-electric ejection type injection molding machine |
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