CN2542430Y - Mould-locking and glue-injection mechanism for small precision injection moulding machine - Google Patents
Mould-locking and glue-injection mechanism for small precision injection moulding machine Download PDFInfo
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- CN2542430Y CN2542430Y CN 01242456 CN01242456U CN2542430Y CN 2542430 Y CN2542430 Y CN 2542430Y CN 01242456 CN01242456 CN 01242456 CN 01242456 U CN01242456 U CN 01242456U CN 2542430 Y CN2542430 Y CN 2542430Y
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Abstract
The utility model discloses a lock mode adhesive injection mechanism of a small-sized injection molding machine, and the lock mode mechanism comprises a lock mode oil cylinder, a first plate, a second plate, a guiding column, a thimble oil cylinder and a liquid charging oil cylinder, and the front end of a piston rod of the lock mode oil cylinder is fixedly connected with the second plate to match modes and lock modes. The adhesive injection mechanism comprises a runner melting cylinder, a rubber melting screw, a dynamic source, injection shifting oil cylinders, an adhesive injection oil cylinder and a first plate, and the adhesive injection mechanism is provided with two abreast injection shifting oil cylinders which are connected to one. The utility model which is simple in structure and beautiful in appearance can be suitable for various special craft requirements of the injection molding.
Description
The utility model discloses a kind of miniature precision injection moulding machine mode-locking, injection mechanism.
The mould-locking structure of existing injection machine is tiltedly arranged mechanical reaming type based on 5 basically, though this structure has advantages such as cost is lower, but it has following shortcoming in precise injection machine is used: need design mould adjusting mechanism separately, part is more and required precision is high, complex structure, mode transfer stroke, opening stroke weak point, and two strokes are separate, can't use and cause waste; Depth of parallelism adjustment to mould is had relatively high expectations, otherwise service life of a machine can be under some influence; For special Shooting Technique bad adaptability, can't be applied in the precise injection molding, as connector moulding, CD moulding etc. in the 3C industry.The injection mechanism of existing injection machine all is that double injection oil cylinder, injection move oil cylinder basically.This structure has many weak points: owing to be that injection moves oil cylinder, so in injection and pressure maintaining period, just penetrate and move under the cylinder rod chamber oil-feed state, whole injection machine is penetrated the platform part will be subjected to a moment of flexure, it must be by penetrating platform support or guide rod balance, therefore require to penetrate the platform support or penetrate platform guide rod good rigidly, cause like this that physical dimension is big, part stress is complicated; Be difficult for to guarantee its with penetrate the platform nozzle with injection machine solid plate mold centre bore to neutrality, will have deflection to some extent like this, can produce flash when serious; Replacing screw rod difficulty.
The purpose of this utility model is to provide a kind of double hydraulic cylinder vertical compression type mould-locking mechanism that satisfies the precise forming demand.
Another purpose of the present utility model is to provide a kind of long guide rod symmetry to penetrate the injection mechanism that moves.
For realizing above-mentioned first purpose, the utility model by the following technical solutions:
A kind of miniature precision injection moulding machine mode-locking mechanism; comprise that cylinder body is fixed on the Mode-locking oil cylinder on the base; be installed in the plate on the base; place between a plate and the Mode-locking oil cylinder can slippage on base two plates; be the guide pillar of two plate slippages guiding and the thimble oil cylinder that is used to eject goods; guide pillar is erected between a Mode-locking oil cylinder and the plate and from two plates and passes; guide pillar and Mode-locking oil cylinder configured in parallel; this clamping mechanism also is provided with the topping up oil cylinder; be provided with big oil pocket and small oil cavity in the cylinder body of topping up oil cylinder; the piston of topping up oil cylinder is made up of big piston section that is connected as a single entity and valve piston section; greatly; the valve piston section is being assemblied in greatly of slip respectively; in the small oil cavity; the piston rod front end of Mode-locking oil cylinder is fixedlyed connected with two plates; be used for matched moulds and locked mode; the big oil pocket of topping up oil cylinder is connected with oil circuit with the rodless cavity of Mode-locking oil cylinder, and oil circuit is provided with prefill valve with control oil circuit break-make.
Further improvement in the technical proposal is: this clamping mechanism is provided with two Mode-locking oil cylinders and a topping up oil cylinder, and the cylinder body and the prefill valve valve body of two Mode-locking oil cylinders and topping up oil cylinder are connected as a single entity.
For adjusting the depth of parallelism between a plate and two plates, further improvement in the technical proposal is: a plate is to be installed on the base by support foot pin and support foot, support foot is fixed on the base, in support foot pin and support foot vertical fixing and the horizontal insert head plate bottom blind hole, be equipped with bearing between support foot pin and the blind hole.Two plates are to be pressed on the base by the adjustable bearing that is fixed on the eccentric shaft on two plates and is assemblied on the eccentric shaft.
For realizing above-mentioned second purpose, the utility model by the following technical solutions:
A kind of miniature precision injection machine injection mechanism, comprise rubber melting cylinder, melten gel screw rod, order about melten gel screw rod rotation power source, penetrate and move oil cylinder, injection oil cylinder and a plate, it has two penetrating and move oil cylinder side by side, two penetrate the cylinder body that moves oil cylinder is connected as a single entity and is supported with rubber melting cylinder, melten gel screw rod, two penetrate the piston rod that moves oil cylinder all passes from cylinder body and is erected on the support of base, penetrates the piston rod front end that moves oil cylinder and fixedlys connected with a plate; Being sleeved on of the cylinder body slip of injection oil cylinder penetrated on the piston rod that moves oil cylinder, the piston rod front end of injection oil cylinder with penetrate the cylinder body that moves oil cylinder and fixedly connected, power source is installed on the cylinder body of injection oil cylinder, also be provided with the power transmission shaft that places between power source and the melten gel screw rod, on the cylinder body that is assemblied in the injection oil cylinder of power transmission shaft and axial location rotating by bearing, the power transmission shaft front end is connected transmission with the melten gel screw rod, and the rotating shaft of power transmission shaft rear end and power source is assembled together.
For ease of changing screw rod, further improvement in the technical proposal is: be provided with jockey between power transmission shaft front end and the melten gel screw rod, this jockey comprises connector, be fixed on the driving key of power transmission shaft front end face, clamp nut, double-screw bolt, spring, fixture block one and fixture block two, the melten gel screw rod tail is provided with annular groove and spline, connector is provided with spline with spline fitted vertically by an end of melten gel screw rod, connector radially is provided with orthogonal keyway by an end of power transmission shaft, wherein a keyway is equipped with driving key, another keyway is equipped with fixture block one, two, double-screw bolt one end is fixed with fixture block one, driving key is passed at the double-screw bolt middle part, the double-screw bolt other end is equipped with clamp nut after passing fixture block two, fixture block one, two and driving key between be pressed with spring respectively, fixture block one, two insert under the effect of clamp nut in the annular groove of melten gel screw rod in order to transmit axial slip.
For the platform height is penetrated in adjustment, further improvement in the technical proposal is: support is divided into upper bracket and base-mounted lower carriage two parts of penetrating the piston rod that moves oil cylinder is housed, be provided with the adjustable fixing that can regulate the upper bracket height between upper bracket and the lower carriage, adjustable fixing two respectively with upper and lower support by being threaded.
Be the balance moment of flexure, further improvement in the technical proposal is: penetrate the axis that moves oil cylinder and rubber melting cylinder for two and be in same horizontal plane.
In addition, described injection oil cylinder is made up of the oil cylinder arranged side by side that two cylinder bodies are connected as a single entity.
Be to guarantee centering, further improvement in the technical proposal is: penetrate the piston rod front end that moves oil cylinder and fixedly connected by holding screw with a plate, holding screw and penetrate the piston rod that moves oil cylinder and be 45 ° of angles.
Clamping mechanism of the present utility model has following advantage: simple in structure, number of spare parts is few; The mould that easily adapts to different-thickness is installed, is adjusted, the two cylinder application of forces, and the mould stress equalization, lower to the depth of parallelism adjustment requirement of mould like this, prolonged die life; Mode transfer is convenient, and clamp force is directly perceived, and advanced control system can adapt to various special Shooting Technique requirements; Stable, repeatable accuracy is high.
Injection of the present utility model mechanism has following advantage: this structure has fundamentally been eliminated to penetrate and has been moved the additional moment that oil cylinder produces, and penetrates to move and does to advance, retreat steadily, can not produce the inconsistent phenomenon of advance and retreat speed; Good to neutrality, need not adjust and can realize accurate centering, this has very important significance to special injection mo(u)lding; The replacing screw rod is more convenient; Long guide rod cooperates U type support to make whole parts seem very smooth, good looking appearance.
Fig. 1 is the structural representation of clamping mechanism of the present utility model;
Fig. 2 is the vertical view of Fig. 1;
Fig. 3 is the A-A enlarged diagram of Fig. 1;
Fig. 4 is the B-B enlarged diagram of Fig. 1
Fig. 5 is the structural representation of injection of the present utility model mechanism;
Fig. 6 is the vertical view of Fig. 5;
Fig. 7 is the structural representation of the jockey of injection mechanism;
Fig. 8 is the right view of Fig. 7.
Below in conjunction with drawings and Examples the utility model is described in further detail:
Clamping mechanism among Fig. 1-4 comprises that cylinder body is fixed on two Mode-locking oil cylinders 1, a plate 2 on the base, places between a plate and the Mode-locking oil cylinder two plates 3, four guide pillars 4 and place the thimble oil cylinder 5 of two plate central authorities.Guide pillar 4 is erected between the cylinder body of Mode-locking oil cylinder 1 and the plate 2 and passes from two plates 3, and guide pillar 4 also is distributed in around it with Mode-locking oil cylinder 1 configured in parallel.The piston rod front end of Mode-locking oil cylinder 1 is fixedlyed connected with two plates 3.Also be provided with a topping up oil cylinder 6, the cylinder body of the cylinder body of topping up oil cylinder 6 and two Mode-locking oil cylinders fuses (being equivalent to tailgate), be provided with big oil pocket and small oil cavity in the cylinder body of topping up oil cylinder 6, the piston of topping up oil cylinder 6 is made up of big piston section that is connected as a single entity and valve piston section, large and small piston section is assemblied in respectively in the large and small oil pocket, be connected with oil circuit between the big oil pocket of topping up oil cylinder and the rodless cavity of Mode-locking oil cylinder, oil circuit is provided with the prefill valve (not shown).Oil circuit and prefill valve are arranged on the cylinder body of Mode-locking oil cylinder 1.Plate 2 is installed on the base (not shown) by support foot pin 7 and support foot 8, support foot 8 is fixed on the base, in support foot pin 7 and support foot 8 vertical fixing and the horizontal insert head plate 2 bottom blind holes, be equipped with bearing 9 between support foot pin 7 and the blind hole.Two plates 3 are to be pressed on the base by the bearing 11 that is fixed on the eccentric shaft 10 on two plates and be assemblied on the eccentric shaft.
The operation principle of clamping mechanism is: during matched moulds, the oil-feed of topping up oil cylinder small oil cavity, promoting the topping up oil cylinder piston is moved to the left, hydraulic oil is full of Mode-locking oil cylinder by the prefill valve that is in open mode, drive two plates by the Mode-locking oil cylinder piston rod and move right, the dynamic model of mould and cover half are just closed to the precalculated position; During locked mode, prefill valve cuts out, and the Mode-locking oil cylinder rodless cavity advances hydraulic oil, drives two plates by the Mode-locking oil cylinder piston rod and continues to move right, with the dynamic model and the cover half locking of mould.During die sinking, the oil-feed of Mode-locking oil cylinder protecgulum, the Mode-locking oil cylinder piston rod is moved to the left, and drives two plates and also is moved to the left, thereby the dynamic model of mould and cover half are separated; Simultaneously, prefill valve is opened, and the locked mode intraluminal fluid presses oil to return back in the topping up oil cylinder.
Injection mechanism among Fig. 5-8, penetrating of comprising that rubber melting cylinder 12, melten gel screw rod 14, hydraulic motor 13, two cylinder bodies be connected as a single entity moved oil cylinder 15, two injection oil cylinders 17 that cylinder body is connected as a single entity and a plate 2 (with shared one of clamping mechanism).Penetrate the axis that moves oil cylinder 15 and rubber melting cylinder 12 for two and be in same horizontal plane, two penetrate the cylinder body upper support that moves oil cylinder 15 rubber melting cylinder 12, melten gel screw rod 14.Two penetrate the piston rod that moves oil cylinder 15 all passes from cylinder body and is erected on the support 18, and its piston rod front end is fixedlyed connected by holding screw 19 with a plate 2, and holding screw 19 moves the oil cylinder piston bar and is 45 ° of angles with penetrating.The cylinder body of injection oil cylinder 17 is sleeved on to be penetrated on the piston rod that moves oil cylinder 15, the piston rod front end of injection oil cylinder 17 with penetrate the cylinder body that moves oil cylinder 15 and fixedly connected.Hydraulic motor 13 is installed on the cylinder body of injection oil cylinder 17, also be provided with power transmission shaft 16 between hydraulic motor 13 and the melten gel screw rod 14, power transmission shaft 16 is assemblied in by taper roll bearing and thrust ball bearing on the cylinder body of injection oil cylinder 17, and the rotating shaft of power transmission shaft 16 rear ends and hydraulic motor 13 is assembled together.Be provided with jockey 23 between power transmission shaft 16 front ends and the melten gel screw rod 14, this jockey 23 comprises connector 24, be fixed on the driving key 25 of power transmission shaft front end face, clamp nut 26, double-screw bolt 27, spring 28, fixture block 1 and fixture block 2 30, melten gel screw rod 14 afterbodys are provided with annular groove 141 and spline 142, connector is provided with spline 241 with spline fitted vertically by an end of melten gel screw rod, connector radially is provided with orthogonal keyway 242 by an end of power transmission shaft, 243, wherein a keyway 242 is equipped with driving key 25, another keyway 243 is equipped with fixture block one, 2 29,30, double-screw bolt 27 1 ends are fixed with fixture block 1, driving key 25 is passed at the double-screw bolt middle part, the double-screw bolt other end is equipped with clamp nut 26 after passing fixture block 2 30, fixture block one, 2 29,30 and driving key 25 between be pressed with spring 28 respectively, fixture block one, 2 29,30 insert under the effect of clamp nut 26 in the annular groove 141 of melten gel screw rod in order to transmit axial slip.Support 18 is divided into two upper bracket 20 and base-mounted lower carriage 21 two parts of penetrating the piston rod that moves oil cylinder is housed, be provided with the adjustable fixing 22 that can regulate the upper bracket height between upper bracket 20 and the lower carriage 21, adjustable fixing 22 two are connected with upper and lower support respectively by screw thread.
The operation principle of injection mechanism is: penetrate platform and move (penetrate platform promptly two penetrate cylinder body and the rubber melting cylinder that moves oil cylinder), whole to penetrate that platform moves be to finish by penetrating the motion that moves oil cylinder.Move guide rod and maintain static when penetrating when moving the oil-filled liquid in chamber, a piston left side, penetrating, an injection strip is moving penetrates parts such as moving oil cylinder and motor and is moved to the left together, thereby the whole platform of penetrating is advanced left; On the contrary, when penetrating when moving the oil-filled liquid in the right chamber of piston, an injection strip is moving penetrates parts such as moving oil cylinder and hydraulic motor and moves right together, thereby realizes that the whole platform of penetrating retreats to the right.Melten gel plasticizing during the oil-filled liquid of motor, drives power transmission shaft and rotates, and is connected with the melten gel screw rod by the screw rod connector, and the melten gel screw rod is rotated, and one side is fed forward plastics, and one side heating, shearing, molten plastic make it to become high-temperature fusant.When the oil-filled liquid of injection right cavity of cylinder, the cylinder body of injection oil cylinder moves right, and at this moment realizes taking out the glue action.The melten gel screw rod moves forward injection, and when the oil-filled liquid in injection oil cylinder chamber, a left side, the cylinder body of injection oil cylinder is moved to the left, and promotes the melten gel screw rod and is moved to the left, and the molten plastic high pressure in the rubber melting cylinder is penetrated, thereby finishes the injection action; When chamber, an injection oil cylinder left side keeps high pressure, can be delivered to high pressure in the mould, make goods pressurize feeding.
Claims (10)
1; a kind of miniature precision injection moulding machine mode-locking mechanism; comprise that cylinder body is fixed on the Mode-locking oil cylinder on the base; be installed in the plate on the base; place between a plate and the Mode-locking oil cylinder can slippage on base two plates; be the guide pillar of two plate slippages guiding and the thimble oil cylinder that is used to eject goods; guide pillar is erected between a Mode-locking oil cylinder and the plate and from two plates and passes; guide pillar and Mode-locking oil cylinder configured in parallel; it is characterized in that: also be provided with topping up oil cylinder (6); be provided with big oil pocket and small oil cavity in the cylinder body of topping up oil cylinder; the piston of topping up oil cylinder is made up of big piston section that is connected as a single entity and valve piston section; greatly; the valve piston section is being assemblied in greatly of slip respectively; in the small oil cavity; the piston rod front end of Mode-locking oil cylinder (1) is fixedlyed connected to be used for matched moulds and locked mode with two plates (3); the big oil pocket of topping up oil cylinder is connected with oil circuit with the rodless cavity of Mode-locking oil cylinder, and oil circuit is provided with prefill valve with control oil circuit break-make.
2, miniature precision injection moulding machine mode-locking according to claim 1 mechanism, it is characterized in that: this clamping mechanism is provided with two Mode-locking oil cylinders (1) and a topping up oil cylinder (6), and the cylinder body and the prefill valve valve body of two Mode-locking oil cylinders and topping up oil cylinder are connected as a single entity.
3, miniature precision injection moulding machine mode-locking according to claim 1 and 2 mechanism; it is characterized in that: a plate (2) is installed on the base by support foot pin (7) and support foot (8); support foot is fixed on the base; in support foot pin and support foot vertical fixing and the horizontal insert head plate bottom blind hole, be equipped with bearing (9) between support foot pin and the blind hole.
4, miniature precision injection moulding machine mode-locking according to claim 1 and 2 mechanism, it is characterized in that: two plates (3) are to be pressed on the base by the bearing (11) that is fixed on the adjustable eccentric shaft (10) on two plates and be assemblied on the eccentric shaft.
5, a kind of miniature precision injection machine injection mechanism, comprise rubber melting cylinder, melten gel screw rod, order about the rotation of melten gel screw rod power source, penetrate and move oil cylinder, injection oil cylinder and a plate, it is characterized in that:
It has two penetrating and move oil cylinder (15) side by side, two penetrate the cylinder body that moves oil cylinder is connected as a single entity and is supported with rubber melting cylinder (12), melten gel screw rod (14), two penetrate on the piston rod that moves oil cylinder all passed and be erected at base from cylinder body the support (18), penetrate the piston rod front end that moves oil cylinder and fixedly connected with a plate (2);
Being sleeved on of the cylinder body slip of injection oil cylinder (17) penetrated on the piston rod that moves oil cylinder, the piston rod front end of injection oil cylinder with penetrate the cylinder body that moves oil cylinder and fixedly connected, power source (13) is installed on the cylinder body of injection oil cylinder, also be provided with the power transmission shaft (16) that places between power source and the melten gel screw rod, on the cylinder body that is assemblied in the injection oil cylinder of power transmission shaft and axial location rotating by bearing, the power transmission shaft front end is connected transmission with the melten gel screw rod, and the rotating shaft of power transmission shaft rear end and power source is assembled together.
6, miniature precision injection machine injection according to claim 5 mechanism, it is characterized in that: be provided with jockey (23) between power transmission shaft (16) front end and the melten gel screw rod (14), this jockey comprises connector (24), be fixed on the driving key (25) of power transmission shaft front end face, clamp nut (26), double-screw bolt (27), spring (28), fixture block one (29) and fixture block two (30), melten gel screw rod (14) afterbody is provided with annular groove (141) and spline (142), connector is provided with spline (241) with spline fitted vertically by an end of melten gel screw rod, connector radially is provided with orthogonal keyway (242 by an end of power transmission shaft, 243), wherein a keyway (242) is equipped with driving key (25), another keyway (243) is equipped with fixture block one, two (29,30), double-screw bolt (27) one ends are fixed with fixture block one (29), driving key (25) is passed at the double-screw bolt middle part, the double-screw bolt other end is equipped with clamp nut (26) after passing fixture block two (30), fixture block one, two (29,30) and be pressed with spring (28), fixture block one between the driving key (25) respectively, two (29,30) under the effect of clamp nut (26), insert in the annular groove (141) of melten gel screw rod in order to transmit axial slip.
7, according to claim 5 or 6 described miniature precision injection machine injection mechanisms, it is characterized in that: support (18) is divided into upper bracket (20) and base-mounted lower carriage (21) two parts of penetrating the piston rod that moves oil cylinder is housed, be provided with the adjustable fixing (22) that can regulate the upper bracket height between upper bracket and the lower carriage, adjustable fixing two is connected with upper and lower support respectively by screw thread.
8, according to claim 5 or 6 described miniature precision injection machine injection mechanisms, it is characterized in that: penetrate the axis that moves oil cylinder (15) and rubber melting cylinder (12) for two and be in same horizontal plane.
9, according to claim 5 or 6 described miniature precision injection machine injection mechanisms, it is characterized in that: described injection oil cylinder (17) is made up of the oil cylinder arranged side by side that two cylinder bodies are connected as a single entity.
10, miniature precision injection machine injection according to claim 5 mechanism, it is characterized in that: penetrate the piston rod front end that moves oil cylinder (15) and fixedly connected by holding screw (19) with a plate (2), holding screw with penetrate the piston rod that moves oil cylinder and be 45 ° of angles to guarantee centering.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01242456 CN2542430Y (en) | 2001-06-27 | 2001-06-27 | Mould-locking and glue-injection mechanism for small precision injection moulding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01242456 CN2542430Y (en) | 2001-06-27 | 2001-06-27 | Mould-locking and glue-injection mechanism for small precision injection moulding machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2542430Y true CN2542430Y (en) | 2003-04-02 |
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ID=33654207
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 01242456 Expired - Fee Related CN2542430Y (en) | 2001-06-27 | 2001-06-27 | Mould-locking and glue-injection mechanism for small precision injection moulding machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2542430Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103240851A (en) * | 2012-12-03 | 2013-08-14 | 海天塑机集团有限公司 | Injection molding machine testing mold and device |
| CN103386751A (en) * | 2013-08-20 | 2013-11-13 | 铜陵富仕三佳机器有限公司 | Hydraulic motor and threaded rod coaxial positioning and connecting device used for injection molding machine |
| CN104526994A (en) * | 2014-12-15 | 2015-04-22 | 桂林星辰科技有限公司 | Injection device for enhancing injection acceleration of injection molding machine, and injection molding machine working mode |
| CN108943630A (en) * | 2018-07-18 | 2018-12-07 | 苏州好来塑胶制品有限公司 | A kind of large size two-color injection molding system |
-
2001
- 2001-06-27 CN CN 01242456 patent/CN2542430Y/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103240851A (en) * | 2012-12-03 | 2013-08-14 | 海天塑机集团有限公司 | Injection molding machine testing mold and device |
| CN103240851B (en) * | 2012-12-03 | 2016-08-17 | 海天塑机集团有限公司 | Injection machine test mould and injection apparatus test device |
| CN103386751A (en) * | 2013-08-20 | 2013-11-13 | 铜陵富仕三佳机器有限公司 | Hydraulic motor and threaded rod coaxial positioning and connecting device used for injection molding machine |
| CN104526994A (en) * | 2014-12-15 | 2015-04-22 | 桂林星辰科技有限公司 | Injection device for enhancing injection acceleration of injection molding machine, and injection molding machine working mode |
| CN104526994B (en) * | 2014-12-15 | 2016-08-17 | 桂林星辰科技股份有限公司 | Promote glue injecting device and the injection machine mode of operation of injection molding machine injection acceleration |
| CN108943630A (en) * | 2018-07-18 | 2018-12-07 | 苏州好来塑胶制品有限公司 | A kind of large size two-color injection molding system |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |