CN107457970A - A kind of full motor injection device of motor-direct-drive type of four leading screw four - Google Patents
A kind of full motor injection device of motor-direct-drive type of four leading screw four Download PDFInfo
- Publication number
- CN107457970A CN107457970A CN201710611851.3A CN201710611851A CN107457970A CN 107457970 A CN107457970 A CN 107457970A CN 201710611851 A CN201710611851 A CN 201710611851A CN 107457970 A CN107457970 A CN 107457970A
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- China
- Prior art keywords
- injection
- leading screw
- motor
- screw
- direct
- Prior art date
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- Pending
Links
- 238000002347 injection Methods 0.000 title claims abstract description 96
- 239000007924 injection Substances 0.000 title claims abstract description 96
- 230000008878 coupling Effects 0.000 claims abstract description 8
- 238000010168 coupling process Methods 0.000 claims abstract description 8
- 238000005859 coupling reaction Methods 0.000 claims abstract description 8
- 230000009467 reduction Effects 0.000 claims description 6
- 230000005611 electricity Effects 0.000 claims description 2
- 230000005540 biological transmission Effects 0.000 abstract description 5
- 238000009434 installation Methods 0.000 abstract description 4
- 230000004044 response Effects 0.000 abstract description 4
- 230000001360 synchronised effect Effects 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- 238000004513 sizing Methods 0.000 description 3
- 230000001133 acceleration Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000001746 injection moulding Methods 0.000 description 2
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000010720 hydraulic oil Substances 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
Classifications
-
- 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
- B29C45/46—Means for plasticising or homogenising the moulding material or forcing it into the mould
- B29C45/47—Means for plasticising or homogenising the moulding material or forcing it into the mould using screws
- B29C45/50—Axially movable screw
- B29C45/5008—Drive means therefor
-
- 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
- B29C45/46—Means for plasticising or homogenising the moulding material or forcing it into the mould
- B29C45/47—Means for plasticising or homogenising the moulding material or forcing it into the mould using screws
- B29C45/50—Axially movable screw
- B29C45/5008—Drive means therefor
- B29C2045/5028—Drive means therefor screws axially driven by the coaxial rotor of an electric motor
-
- 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
- B29C45/46—Means for plasticising or homogenising the moulding material or forcing it into the mould
- B29C45/47—Means for plasticising or homogenising the moulding material or forcing it into the mould using screws
- B29C45/50—Axially movable screw
- B29C45/5008—Drive means therefor
- B29C2045/504—Drive means therefor electric motors for rotary and axial movement of the screw being coaxial with the screw
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
Abstract
The present invention discloses a kind of full motor injection device of motor-direct-drive type of four leading screw four, and it includes injecting frame, lead screw assembly and Power Component；The injector, which is set up, injection foreboard, injection back plate, the machine barrel and preformed seat being connected with injection foreboard；The lead screw assembly passes through the preformed seat, and the rear end of leading screw is fixed in the injection back plate in lead screw assembly；Servomotor in Power Component is equipped with connecting key or shaft coupling, and the Power Component is fixed on injection foreboard, and each servomotor in the Power Component is connected with each leading screw in the lead screw assembly respectively by key or shaft coupling.The present invention is to drive leading screw by servomotor, and leading screw has the accurate amount of feeding of high speed, improves transmission accuracy and response speed, reduces the time of installation and debugging, can bear larger loading force.
Description
Technical field
The present invention relates to injection moulding device therefor technical field, more particularly to a kind of motor-direct-drive type of four leading screw four are entirely electric
Machine injection device.
Background technology
The injection structure of traditional electric injection molding machine mostly uses single screw or double lead-screw drive form, the all-electric note of ultra-large type
The required injection force of forming machine is penetrated more than 2,500,000 Ns, the scheme of single screw or double lead-screw driving proposes pole to ball-screw
High requirement, almost no leading screw can meet its requirement to load, life-span and reliability.
Existing Chinese patent notification number is a kind of A of CN 105538589 all-electric injection of double lead-screw double-motor driving type
Device, it includes：Inject frame, it is described injection frame include penetrate platform back plate, penetrate platform foreboard, preformed seat, connection penetrate platform back plate and
The injection pull bar of platform foreboard is penetrated, the preformed seat, which is slidably installed in, to be penetrated on platform pull bar；Lead screw assembly, the lead screw assembly be provided with two groups and
It is symmetrically mounted in injection frame, the lead screw assembly drives the movement of preformed seat；Power Component, the Power Component are provided with two groups
And installed in penetrating in platform back plate, the Power Component is corresponding with lead screw assembly to be connected；Adjusting means, the adjusting means are arranged on
Penetrate in platform back plate, the adjusting means is tensioned two lead screw assemblies and makes lead screw assembly synchronous axial system.Described double lead-screw bi-motor
The all-electric injection device of drive-type, it is synchronously driven in multi-filament thick stick using belt transmissioning mode, is unfavorable for controlling in this case
System starts acceleration and deceleration, and the precision of transmission is not good enough, when required injection force is more than 2,500,000 Ns, utilizes the bi-motor of belt transmission
Double lead-screw can not be realized, relatively slow, it is necessary to more installation and debug time using the response speed of belt transmission.
The content of the invention
The technical problems to be solved by the invention are, for the above-mentioned deficiency of prior art, propose a kind of four leading screws four
The full motor injection device of motor-direct-drive type.
It is a kind of full motor injection of motor-direct-drive type of four leading screw four that the present invention, which solves the technical scheme that its technical problem uses,
Device, it includes：
Inject frame；It is provided with injection foreboard, injection back plate, the machine barrel and preformed seat being connected with injection foreboard；
Lead screw assembly, it includes two groups of leading screw groups, has two leading screws in every group of leading screw group, two groups of leading screw groups are worn
Cross the preformed seat, the rear end of leading screw is fixed in the injection back plate in two groups of leading screw groups；
Power Component, it includes two groups of servomotor groups, has two servomotors in every group of servomotor group, each watch
Take motor and be equipped with connecting key or shaft coupling, two groups of servomotor groups are fixed on injection foreboard, in the Power Component
Each servomotor be connected respectively with each leading screw in the lead screw assembly by key or shaft coupling.
Further, the every leading screw is equipped with screw, and each screw is arranged in preformed seat, the preformed
Seat is provided with pressure sensor, and the pressure sensor is connected with the screw.
Further, the injection frame is additionally provided with bearing, the seat supports injection foreboard and injection back plate.
Further, the bearing is provided with guide rail, and the preformed seat is using the guide rail as tracks.
Further, two cushion cylinders are symmetrically arranged with the preformed seat, the cushion cylinder includes cylinder body and set
Put the two-way ram in cylinder body.
Further, the two-way ram is provided with piston rod, and the piston rod stretches out from the cylinder body both ends, the work
One end of stopper rod is fixed on injection foreboard, and the other end is fixed in injection back plate.
Further, the injection foreboard is provided with tightly female for the machine barrel of fixing machine barrel.
Further, injection screw is provided with the machine barrel, the injection screw passes through injection foreboard and the preformed seat
It is fixedly linked.
Further, self-aligning thrust roller bearing and taper roll bearing, the injection foreboard are installed on the leading screw
On bearing block is installed, self-aligning thrust roller bearing and the taper roll bearing close-fitting is arranged on the both ends of bearing block, described
The leading screw axial force that self-aligning thrust roller bearing and taper roll bearing are born it is in opposite direction.
Further, in addition to reduction box, the reduction box are enclosed in the leading screw group.
The invention has the advantages that：
1st, the accurate amount of feeding of high speed is provided using the leading screw driving energy of four servomotor four, while high note can be also provided
Power is penetrated, the loading force born is big.
2nd, transmission accuracy and response speed are dramatically improved using direct drive structure, and reduces the work of installation and debugging
Amount.
The 3rd, two symmetrically arranged cushion cylinders are installed on preformed seat, oil can be realized under conditions of servo power is out of control
Pressure intervention, protects mechanical system from big load rigid impact.Certain hydraulic lock is provided under long-time pressurize feeding state
Clamp force, the stall torque demand to servo power is reduced, protect servo power to perplex from heating.
Brief description of the drawings
Fig. 1 is the dimensional structure diagram of the present invention；
Fig. 2 is the sectional view that the servomotor of the present invention is connected with leading screw.
Embodiment
It is the specific embodiment of the present invention and with reference to accompanying drawing below, technical scheme is further described,
But the present invention is not limited to these embodiments.
Fig. 1-Fig. 2 is refer to, the full motor injection device of present invention one kind motor-direct-drive type of four leading screw four, it includes injector
Frame 100, lead screw assembly 200 and Power Component 300.
The lead screw assembly 200 and Power Component 300 are arranged in the injection frame 100.
Embodiment one
Inject frame 100；It is provided with injection foreboard 110, injection back plate 120, the machine barrel 130 being connected with injection foreboard 110
With preformed seat 140.
Lead screw assembly 200, it includes two groups of leading screw groups, has two leading screws 210, two groups of leading screws in every group of leading screw group
Group both passes through the preformed seat 140, and the rear end of leading screw is fixed in the injection back plate 120 in two groups of leading screw groups；Described two groups
Leading screw group is symmetrical；The leading screw 210 is ball-screw 210.
Power Component 300, it includes two groups of servomotor groups, has two servomotors 310 in every group of servomotor group,
Each servomotor 310 is equipped with connecting key or shaft coupling 311, and two groups of servomotor groups are fixed on injection foreboard 110,
Each servomotor 310 in the Power Component 300 by key or shaft coupling 311 respectively with each in the lead screw assembly
Leading screw 210 is connected.
In this implementation, the servomotor 310 is connected with the leading screw 210 by shaft joint.
Injection screw is provided with the machine barrel 130, the injection screw passes through injection foreboard 110 and the preformed seat 140
It is fixedly linked.
Four servomotors 310 drive four leading screws 210 to rotate respectively, and four leading screws 210 of rotation drive
Axial direction of the preformed seat 140 along leading screw 210 moves.
Servomotor 310 can make control speed, and positional precision is very accurate, and voltage signal can be converted into torque and turned
Speed is with drive control object.The rotor speed of servomotor 310 is controlled by input signal, and energy fast reaction, is automatically controlling
, can be the electricity received as executive component, and with characteristics such as electromechanical time constant small, the linearity is high, pickup voltages in system
Signal is converted into angular displacement or angular speed output on motor reel.
Servo-drive system is provided with each servomotor 310, four servomotors 310 of control are run simultaneously, and can pass through four
Servo-drive system interactive information in servomotor 310 is realized.Can also peripheral hardware processor control four servomotors 310 in watching
Dress system, so as to control servomotor 310 to run simultaneously.
Therefore, drive leading screw startup acceleration and deceleration more sensitive, accurate using servomotor 310.Utilize servomotor 310
When driving four leading screws 210 respectively, allow four servomotors 310 are synchronous to drive four leading screws 210, make four leading screws 210
Synchronous axial system, consequently, it is possible to which the leading screw 210 of synchronous axial system provides larger injection force when being injected for injection machine.
Injection screw is provided with the machine barrel 130, machine barrel 130 is stretched out in one end of the injection screw, and described in
Injection foreboard 110 is connected with the preformed seat 140.The injection screw is driven by the preformed seat 140, the injection spiral shell
Bar promotes the sizing material plastified in machine barrel 130 until the sizing material is projected outside injection seat.
Four leading screws 210 are driven using four servomotors 310, four leading screws driving preformed seat 140, can be using four leading screws 210
Injection machine provides more than 2,500,000 Ns of injection force, and the inner chamber of the machine barrel 130 and the injection screw should have preferable close
Feng Xing.
The accurate amount of feeding of leading screw high speed can be improved by directly driving four leading screws 210 using four servomotors 310, improve biography
Dynamic speed and response speed, reduce installation and debugging work load, meanwhile, high injection force can be also provided for injection device,
For four leading screws 210 compared with double lead-screw, single screw, the loading force born is bigger.
Embodiment two
Compared to embodiment one, this embodiment has the description in terms of details.
The every leading screw is equipped with screw 211, and each screw 211 is arranged in preformed seat 140, the preformed
Seat 140 is provided with pressure sensor, and the pressure sensor is connected with the screw 211.The pressure sensor is used to detect
The pressure of screw 211, and servomotor 310 is sent to as electronic signals, servomotor 310 adjusts according to the electric signal
The running status of itself.
The injection frame 100 is additionally provided with bearing 150, the support of the bearing 150 injection foreboard 110 and injection back plate 120.
The bearing 150 is used for firm injection foreboard 110 and injection back plate 120, prevents servomotor 310 from causing to note when driving leading screw
Penetrate foreboard 110 and injection back plate 120 is rocked.
The bearing 150 is provided with guide rail 151, and the preformed seat 140 is tracks with the guide rail 151, in this reality
Apply in example, the track is strip, and preformed seat 140 moves along a straight line on the guide rail 151.
Two cushion cylinders 160 are symmetrically arranged with the preformed seat 140, the cushion cylinder 160 includes cylinder body and set
Put the two-way ram in cylinder body.
The two-way ram is provided with piston rod 161, and the piston rod 161 stretches out from the cylinder body both ends, the piston
One end of bar 161 is fixed on injection foreboard 110, and the other end is fixed in injection back plate 120, and the piston rod 161 can be used as pre-
Mould the guide rod of seat 140.
When Power Component 300 is out of control, the machine such as hydraulic oil intervention, protection preformed seat 140, leading screw in cushion cylinder 160
Tool structure has the function of buffering, certain hydraulic lock is provided under long-time pressurize feeding state from big load rigid impact
Clamp force, the stall torque demand to leading screw and servomotor is reduced, protect leading screw and servomotor to perplex from heating, prolong
The working life of long lead screw and servomotor.
The injection foreboard 110 be provided with it is tightly female for the machine barrel 130 of fixing machine barrel 130, the inner chamber of machine barrel 130 with it is described
Injection screw need to have higher axiality, pass through the position of firm machine barrel 130, it is ensured that machine barrel 130 and injection screw
Service life, meanwhile, can allow injection device injecting plasticizing sizing material injection volume it is more accurate.
Self-aligning thrust roller bearing 212 and taper roll bearing 213, the injection foreboard are installed on the leading screw 210
Bearing block 111 is installed, self-aligning thrust roller bearing 212 and taper roll bearing 213 close-fitting is arranged on bearing block on 110
111 both ends, the direction phase for the axial force of leading screw 210 that the self-aligning thrust roller bearing 212 and taper roll bearing 213 are born
Instead.
Also include reduction box 400, the reduction box 400 is enclosed in the leading screw group, and the leading screw group runs through the deceleration
Case 400.
Specific embodiment described herein is only to spirit explanation for example of the invention.Technology belonging to the present invention is led
The technical staff in domain can be made various modifications or supplement to described specific embodiment or be replaced using similar mode
Generation, but without departing from the spiritual of the present invention or surmount scope defined in appended claims.
Claims (10)
- A kind of 1. full motor injection device of motor-direct-drive type of four leading screw four, it is characterised in that including：Inject frame；It is provided with injection foreboard, injection back plate, the machine barrel and preformed seat being connected with injection foreboard；Lead screw assembly, it includes two groups of leading screw groups, has two leading screws in every group of leading screw group, two groups of leading screw groups both pass through institute State preformed seat, the rear end of leading screw is fixed in the injection back plate in two groups of leading screw groups；Power Component, it includes two groups of servomotor groups, has two servomotors, each servo electricity in every group of servomotor group Machine is equipped with connecting key or shaft coupling, and two groups of servomotor groups are fixed on injection foreboard, each in the Power Component Individual servomotor is connected with each leading screw in the lead screw assembly respectively by key or shaft coupling.
- A kind of 2. full motor injection device of the motor-direct-drive type of four leading screw four according to claim 1, it is characterised in that：Every The leading screw is equipped with screw, and each screw is arranged in preformed seat, and the preformed seat is provided with pressure sensor, institute Pressure sensor is stated with the screw to be connected.
- A kind of 3. full motor injection device of the motor-direct-drive type of four leading screw four according to claim 1, it is characterised in that：It is described Injection frame is additionally provided with bearing, the seat supports injection foreboard and injection back plate.
- A kind of 4. full motor injection device of the motor-direct-drive type of four leading screw four according to claim 3, it is characterised in that：It is described Bearing is provided with guide rail, and the preformed seat is using the guide rail as tracks.
- A kind of 5. full motor injection device of the motor-direct-drive type of four leading screw four according to claim 1, it is characterised in that：It is described Two cushion cylinders are symmetrically arranged with preformed seat, the cushion cylinder includes cylinder body and the double acting being arranged in cylinder body is lived Plug.
- A kind of 6. full motor injection device of the motor-direct-drive type of four leading screw four according to claim 5, it is characterised in that：It is described Two-way ram is provided with piston rod, and the piston rod stretches out from the cylinder body both ends, and one end of the piston rod is fixed on injection On foreboard, the other end is fixed in injection back plate.
- A kind of 7. full motor injection device of the motor-direct-drive type of four leading screw four according to claim 1, it is characterised in that：It is described Injection foreboard is provided with tightly female for the machine barrel of fixing machine barrel.
- A kind of 8. full motor injection device of the motor-direct-drive type of four leading screw four according to claim 1, it is characterised in that：It is described Injection screw is provided with machine barrel, the injection screw is fixedly linked through injection foreboard with the preformed seat.
- A kind of 9. full motor injection device of the motor-direct-drive type of four leading screw four according to claim 1, it is characterised in that：It is described Self-aligning thrust roller bearing and taper roll bearing are installed on leading screw, bearing block is installed on the injection foreboard, it is described to push away Power self-aligning roller bearing and taper roll bearing close-fitting are arranged on the both ends of bearing block, the self-aligning thrust roller bearing and circular cone The leading screw axial force that roller bearing is born it is in opposite direction.
- A kind of 10. full motor injection device of the motor-direct-drive type of four leading screw four according to claim 1, it is characterised in that：Also Including reduction box, the reduction box is enclosed in the leading screw group.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710611851.3A CN107457970A (en) | 2017-07-25 | 2017-07-25 | A kind of full motor injection device of motor-direct-drive type of four leading screw four |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710611851.3A CN107457970A (en) | 2017-07-25 | 2017-07-25 | A kind of full motor injection device of motor-direct-drive type of four leading screw four |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107457970A true CN107457970A (en) | 2017-12-12 |
Family
ID=60546956
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710611851.3A Pending CN107457970A (en) | 2017-07-25 | 2017-07-25 | A kind of full motor injection device of motor-direct-drive type of four leading screw four |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107457970A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109093961A (en) * | 2018-07-27 | 2018-12-28 | 珠海格力智能装备有限公司 | Penetrate and glue actuating mechanism |
| CN111376442A (en) * | 2020-03-04 | 2020-07-07 | 宁波长飞亚塑料机械制造有限公司 | Electric injection molding device for injection molding machine |
| CN115284564A (en) * | 2022-08-04 | 2022-11-04 | 珠海格力智能装备有限公司 | Injection origin calibration method, device and medium of injection molding machine and injection molding machine |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1498742A (en) * | 2002-11-08 | 2004-05-26 | ��ǿ�ʽ | Metering method and control device for injection molding machine |
| JP2005088507A (en) * | 2003-09-19 | 2005-04-07 | Mitsubishi Heavy Ind Ltd | Electromotive injection device |
| CN105538589A (en) * | 2015-12-31 | 2016-05-04 | 宁波长飞亚塑料机械制造有限公司 | Double-screw and double-motor driving full-electric injection device |
| CN207256796U (en) * | 2017-07-25 | 2018-04-20 | 宁波长飞亚塑料机械制造有限公司 | A kind of full motor injection device of four leading screws, four motor-direct-drive type |
-
2017
- 2017-07-25 CN CN201710611851.3A patent/CN107457970A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1498742A (en) * | 2002-11-08 | 2004-05-26 | ��ǿ�ʽ | Metering method and control device for injection molding machine |
| JP2005088507A (en) * | 2003-09-19 | 2005-04-07 | Mitsubishi Heavy Ind Ltd | Electromotive injection device |
| CN105538589A (en) * | 2015-12-31 | 2016-05-04 | 宁波长飞亚塑料机械制造有限公司 | Double-screw and double-motor driving full-electric injection device |
| CN207256796U (en) * | 2017-07-25 | 2018-04-20 | 宁波长飞亚塑料机械制造有限公司 | A kind of full motor injection device of four leading screws, four motor-direct-drive type |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109093961A (en) * | 2018-07-27 | 2018-12-28 | 珠海格力智能装备有限公司 | Penetrate and glue actuating mechanism |
| CN111376442A (en) * | 2020-03-04 | 2020-07-07 | 宁波长飞亚塑料机械制造有限公司 | Electric injection molding device for injection molding machine |
| CN115284564A (en) * | 2022-08-04 | 2022-11-04 | 珠海格力智能装备有限公司 | Injection origin calibration method, device and medium of injection molding machine and injection molding machine |
| CN115284564B (en) * | 2022-08-04 | 2024-10-01 | 珠海格力智能装备有限公司 | Injection molding machine injection origin calibration method, device, medium and injection molding machine |
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