CN201832858U - Metal extrusion molding machine - Google Patents
Metal extrusion molding machine Download PDFInfo
- Publication number
- CN201832858U CN201832858U CN2010205702794U CN201020570279U CN201832858U CN 201832858 U CN201832858 U CN 201832858U CN 2010205702794 U CN2010205702794 U CN 2010205702794U CN 201020570279 U CN201020570279 U CN 201020570279U CN 201832858 U CN201832858 U CN 201832858U
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- moving beam
- lead screw
- single lead
- briquetting machine
- pull bar
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Abstract
The utility model belongs to the technical field of extrusion molding machines, and discloses a metal extrusion molding machine, which comprises a body and an injection device. The body comprises a bottom base, a top base, a movable beam and a fixed beam, guide rail components are arranged on the left and the right of the body between the bottom base and the top base correspondingly, at least a draw bar is penetratingly arranged between the movable beam and the fixed beam, a holding lock component used for holding and locking the movable beam is arranged among the upper end of the movable beam and the draw bars, and a mold locking and adjusting device is arranged among the lower end of the fixed beam and the draw bars. The metal extrusion molding machine is high in working stability, long in service life, low in energy consumption, small in floor area and high in tonnage, and is capable of producing large parts. Furthermore, the metal extrusion molding machine is convenient in convenient in punching, demoulding, installation and maintenance and compact in structure. In addition, safety during stoppage or maintenance of the metal extrusion molding machine is increased effectively, and potential safety hazards caused by error operation due to human factors are reduced greatly.
Description
Technical field
The utility model belongs to the single lead screw ex truding briquetting machine technical field, is specifically related to a kind of metal single lead screw ex truding briquetting machine.
Background technology
In the prior art, the vertical metal single lead screw ex truding briquetting machine is when work, and moving beam moves up and down, and drive dynamic model and move up and down with the folding mould of realization with cover half, and by the extrusion modling of injection device injection of metallic liquation.At present, the vertical metal single lead screw ex truding briquetting machine of high tonnage consumes energy low aborning on year-on-year basis, and floor space is few, and the properties of product height can be produced advantages such as heavy parts; But in the vertical metal single lead screw ex truding briquetting machine of high tonnage when work,, moving beam, to decide bearing capacity such as beam big, and the working stability performance of machine is poor, and the machine whole service life is shorter.
The utility model content
The purpose of this utility model is to overcome above-mentioned the deficiencies in the prior art, and a kind of metal single lead screw ex truding briquetting machine is provided, this metal single lead screw ex truding briquetting machine job stability height, and long service life, energy consumption is low, and floor space is little, and the tonnage height can be produced heavy parts.
In order to reach above-mentioned technical purpose, the technical solution of the utility model is:
A kind of metal single lead screw ex truding briquetting machine described in the utility model, comprise fuselage part and injection device, described main body section branch comprises base, footstock, moving beam, Ding Liang, described fuselage part is provided with guide assembly corresponding to the left and right sides between base and the footstock, described moving beam and decide to be equipped with between the beam at least one pull bar, be provided with the obvolvent latch assembly that moving beam is carried out obvolvent locking between described moving beam upper end and the pull bar, be provided with mold-locking and mold-adjusting apparatus between described Ding Liang lower end and the pull bar.
Further improvement as above-mentioned technology, be connected with on the described moving beam and drive the lowering or hoisting gear that moving beam moves up and down, this lowering or hoisting gear is a hoist cylinder, all fix a hoist cylinder corresponding to the corner location of moving beam on the described footstock, the piston rod of described four hoist cylinders is fixed in the corner location of moving beam accordingly.
In the utility model, described moving beam and the pull bar of deciding between the beam are four, described obvolvent latch assembly is the cohesion nut device that is locked on each pull bar, it comprises the clasp nut that annular internal thread is arranged in a pair, and correspondence position is provided with the annular external screw thread with the annular screw-internal thread fit of clasp nut on the described pull bar.
Further improvement as above-mentioned technology, described guide assembly comprises guide rail, be used to fill out be combined in guide rail between moving beam sides wedge and have same slope with wedge and cooperate with wedge to fill out and be combined in moving beam sides and transfer the crack panel with the elbow of guide rail side, described elbow transfer the crack panel in the elbow by regulate double-screw bolt, nut is fixed on the bottom of moving beam.
In the utility model; described mold-locking and mold-adjusting apparatus comprise the locked mode that is installed on the end that stretches out in the pull bar of deciding beam bottom with master cylinder, main oil cylinder piston, place Mode-locking oil cylinder piston below be set in the peripheral and pull bar obvolvent of pull bar mother nut, Qi Mo with opening mould oil cylinder, opening the mould piston, the master cylinder bottom of described master cylinder contacts with the bottom angled of deciding beam.
For the secondary ftercompction that realizes extrusion modling and ejecting force when dashing the material demoulding is provided, effectively improve material property, the secondary ftercompction liftout attachment that the secondary ftercompction also is installed on the described moving beam and the ejecting force when dashing the material demoulding is provided, described secondary ftercompction liftout attachment comprises upper mounting plate and following drive plate, on the described upper mounting plate extrusion oil cylinder is installed, this extrusion oil cylinder passes down the center of drive plate, the piston rod of described extrusion oil cylinder is the hollow piston bar, run through the secondary extrusion bar that has central through hole in the described hollow piston bar, described hollow piston bar is fixedlyed connected with the secondary extrusion bar, also be equipped with on the described upper mounting plate and dash the material liftout attachment, this liftout attachment comprises the oil cylinder that ejects that is fixed on the upper mounting plate, the described piston rod that ejects oil cylinder is fixedlyed connected with following drive plate, the described bottom of drive plate down is provided with and ejects connecting rod, and the described connecting rod that ejects is connected with the connecting plate that ejects that is used for the demoulding.
In order to ensure the safety of single lead screw ex truding briquetting machine when shutting down or overhaul; greatly reduce the potential safety hazard of bringing because of artificial maloperation; be equipped with on the described guide rail and can hold the safety device that the anti-stop beam of moving beam moves downward; this safety device comprises Handleset; be used to hold the safety cock assembly that the anti-stop beam of moving beam moves downward; be connected with the transmission component that is used to drive the action of safety cock assembly between described Handleset and the safety cock assembly, setting all arranged on left rail and right rail by described safety cock assembly; transmission component and Handleset cooperate the security component unit that forms.
In addition, in the utility model, the bottom of described moving beam, the equal correspondence in top of deciding beam are provided with thermal insulation board.
Compared with prior art, the beneficial effects of the utility model:
(1) the utility model is owing to the guide assembly by left and right sides provides guiding, the a plurality of pull bars that are arranged in moving beam and decide on the beam provide clamp force, and, improved the job stability and the bulk life time of metal single lead screw ex truding briquetting machine effectively by the moving beam of obvolvent latch assembly and mold-locking and mold-adjusting apparatus packing, Ding Liang;
(2) in the utility model owing to be provided with secondary ftercompction liftout attachment, realize the secondary ftercompction of extrusion modling effectively and ejecting force when dashing the material demoulding can be provided, improve material property, dash material and be convenient in demoulding, compact conformation, installation and maintenance are convenient;
(3) can hold the safety device that the anti-stop beam of moving beam moves downward owing to being provided with to be equipped with in the utility model, guarantee the safety of single lead screw ex truding briquetting machine when shutting down or overhaul, greatly reduce the potential safety hazard of bringing because of artificial maloperation.
Description of drawings
Fig. 1 is a metal single lead screw ex truding briquetting machine Facad structure schematic diagram described in the utility model;
Fig. 2 is a metal single lead screw ex truding briquetting machine stereogram described in the utility model;
Fig. 3 is the utility model middle guide assembly place's cutaway view that combines with moving beam;
Fig. 4 is a mold-locking and mold-adjusting apparatus structural representation in the utility model;
Fig. 5 is an A place enlarged diagram among above-mentioned Fig. 4;
Fig. 6 is a secondary ftercompction liftout attachment cutaway view in the utility model;
Fig. 7 is a safety device Facad structure schematic diagram in the utility model;
Fig. 8 is metal single lead screw ex truding briquetting machine one a side safety device schematic perspective view in the utility model;
Fig. 9 is safety cock assembly, transmission component and a Handleset cutaway view in the safety device in the utility model.
The specific embodiment
As Fig. 1, shown in Figure 2, a kind of metal single lead screw ex truding briquetting machine described in the utility model, comprise fuselage part and injection device 40, described main body section branch comprises base 1, footstock 2, moving beam 3, decide beam 4, described fuselage part is provided with guide assembly 5 corresponding to the left and right sides between base 1 and the footstock 2, described moving beam 3 and decide to be equipped with between the beam 4 four pull bars 6, be provided with the cohesion nut assembly 7 that moving beam 3 is carried out obvolvent locking between described moving beam 3 and the pull bar 6, it comprises the clasp nut that annular internal thread is arranged in a pair, correspondence position is provided with the annular external screw thread with the annular screw-internal thread fit of clasp nut on the described pull bar, describedly decides to be provided with mold-locking and mold-adjusting apparatus 8 between beam 4 lower ends and the pull bar 6.
In the utility model, be connected with on the described moving beam 3 and drive the lowering or hoisting gear that moving beam 3 moves up and down, this lowering or hoisting gear is a hoist cylinder 9, all fix a hoist cylinder corresponding to the corner location of moving beam 3 on the described footstock 2, the piston rod 91 of described four hoist cylinders is fixed in the corner location of moving beam 3 accordingly.
Described guide assembly 5 comprises guide rail 51, be used to fill out be combined in guide rail 51 between moving beam 3 sides wedge 52 and have same slope with wedge 52 and cooperate with wedge 52 to fill out and be combined in moving beam 3 sides and transfer crack panel 53 with the elbow of guide rail 51 sides, described elbow transfers crack panel 53 to be fixed on the bottom position that moves beam 3 in the elbow by regulating stud nut assembly 54.
As Fig. 1, Fig. 2, Fig. 4, shown in Figure 5; described mold-locking and mold-adjusting apparatus 8 comprise the locked mode that is installed on the end that stretches out in the pull bar 6 of deciding beam 4 bottoms with master cylinder 81, main oil cylinder piston 82, place main oil cylinder piston 82 belows to be set in the peripheral mother nut 83, Qi Mo with the pull bar obvolvent of pull bar 6 with opening mould oil cylinder 84, opening mould piston 85, the master cylinder bottom 811 of described master cylinder 81 contacts with the bottom angled of deciding beam 4.
During these mold-locking and mold-adjusting apparatus 8 locked modes, hydraulic oil injects master cylinder 81, hydraulic oil promotes main oil cylinder piston 82, main oil cylinder piston 82 promotes mother nut 83 and produces clamp force, the two ends of deciding beam 4 this moment will produce buckling deformation upwards, because master cylinder bottom 811 is the effect of inclined plane degree with the composition surface of deciding beam 4 bottoms, make locked mode will still keep vertical direction with main oil cylinder piston 82, master cylinder 81 is in normal operating conditions all the time and leakage of oil does not take place, make locked mode with master cylinder 81 durables, prolong its service life greatly.
During these mold-locking and mold-adjusting apparatus 8 mode transfers; inject hydraulic oil; hydraulic oil injects by oil pipe and opens mould oil cylinder 85; promote to open mould piston 85 then; opening mould piston 85 pushing drawing rods 6 moves up and sends signal up to the obvolvent sensor; pull bar 6 stops action, and system log (SYSLOG) obvolvent height promptly carries out the mode transfer effect of mold-locking and mold-adjusting apparatus 8.
In addition; the die worker that opens of described mold-locking and mold-adjusting apparatus 8 as principle is: hydraulic oil opens mould oil cylinder 85 from the direct injection of oil circuit board and promotes to open mould piston 86; open mould piston 86 pushing drawing rods 6 and upwards promote moving beam 3 and move up and send signal up to opening the mould sensor, hydraulic oil stops to inject.Then, pull bar 6 return back to initial position under the gravity effect, like this, just finishes the course of action of Qi Mo.Simultaneously, this mold-locking and mold-adjusting apparatus 8 adopts the underlying mode, even locked mode master cylinder 81 leakage of oils, hydraulic oil can not pollute whole fuselage part yet.In addition, this mold-locking and mold-adjusting apparatus 8 adopts modularized designs, and integrated locked mode, mode transfer, three kinds of functions of Qi Mo can be used as a direct dismounting of assembly, have improved the installation and maintenance performance greatly.When mold-locking and mold-adjusting apparatus 8 broke down, the user can integral demounting, only needed to install a standby mold-locking and mold-adjusting apparatus 8 and just can continue to keep production.Mold-locking and mold-adjusting apparatus after the dismounting can keep in repair separately, for the user provides great convenience.
In addition, as Fig. 1, Fig. 2, shown in Figure 6, the secondary ftercompction liftout attachment 10 that the secondary ftercompction also is installed on the described moving beam 3 and the ejecting force when dashing the material demoulding is provided, described secondary ftercompction liftout attachment 10 comprises upper mounting plate 101 and following drive plate 102, on the described upper mounting plate 101 extrusion oil cylinder 103 is installed, this extrusion oil cylinder 103 passes down the center of drive plate 102, the piston rod of described extrusion oil cylinder 103 is a hollow piston bar 1031, run through the secondary extrusion bar 104 that has central through hole in the described hollow piston bar 1031, described hollow piston bar 1031 is fixedlyed connected with secondary extrusion bar 104, also be equipped with on the described upper mounting plate 101 and dash material with ejecting oil cylinder 105, the described piston rod 1051 that ejects oil cylinder 105 is fixedlyed connected with following drive plate 102, the bottom of described down drive plate 102 is provided with and ejects connecting rod 106, described eject connecting rod 106 be connected be used for the demoulding eject connecting plate 107.Secondary ftercompction when the hollow piston bar 1031 of the utility model extrusion oil cylinder 103 is realized extrusion modlings effectively improves the extrusion modling quality of product; In addition, use liftout attachment by ejecting oil cylinder 105, eject connecting rod 106 and ejecting the material that dashes that connecting plate 107 forms, what be convenient to mould dashes the material knockout course.
As Fig. 1, Fig. 2, Fig. 6, shown in Figure 7, be equipped with on the described guide rail 51 and can hold the safety device 20 that moving beam 3 anti-stop beams 3 move downward, described safety device 20 comprises Handleset 21, is used to hold the safety cock assembly 22 that moving beam 3 anti-stop beams 3 move downward, be connected with the transmission component 23 that is used to drive 22 actions of safety cock assembly between described Handleset 21 and the safety cock assembly 22, on and arranged on left and right sides guide rail 51, all have setting to cooperate the security component unit that forms by described safety cock assembly 22, transmission component 23 and Handleset 21.
Described Handleset 21 comprises location-plate 211 and the operating grip 212 hinged with location-plate 211, and described location-plate 211 is provided with two locating grooves 2111, and described operating grip 212 is provided with locating groove 2111 and cooperates the locating piece 2121 that engages.
Described transmission component 23 is the rack-and-pinion transmission, it comprise the driving tooth wheel seat 231 that is connected with location-plate 211, the driving gear 232 of fixedlying connected with operating grip 212 ends, with first tooth bar 233 of driving gear 232 engagements, and the guide pipe 234 that is connected successively with first tooth bar 233 and second tooth bar 235, the driven gear 236 that meshes with second tooth bar 235; Described safety cock assembly 22 comprises safety cock seat 221 and laterally through the safe tightening latch 222 of safety cock seat 221, described safe tightening latch 222 has and driven gear 236 intermeshing tooth-shape structures, and described driven gear 236 is installed in this safety cock seat 221.The described security component unit that is formed by safety cock assembly 22, transmission component 23 and Handleset 21 places on the single lead screw ex truding briquetting machine left and right sides guide rail 51, it is arranged in the forward position of single lead screw ex truding briquetting machine left side and right rail 51 symmetrically, in addition, rear positions at left and right side guide rail 51 all is provided with safety cock assembly 21 and transmission component 23 accordingly, and this place the rear portion transmission component 23 driving gear 232 with place between the anterior driving gear 232a accordingly by 24 coaxial connections of connecting axle.
Like this; when needs are shut down or overhaul; when simultaneously the locating piece 2121 on the operating grip 212 of the left and right sides being pulled out from the locating groove 2111 of location-plate 211; rotating operation handle 212; like this; promptly a drive driving gear that links up 232 rotates; first tooth bar 233; guide pipe 234; second tooth bar 235 rises; thereby drive driven gear 236 rotations; drive safe tightening latch 222 with that towards the direction motion of stretching out; simultaneously; the safe tightening latch 222 that also drives the rear portion stretches out; safe tightening latch 222 stretches out simultaneously before and after having realized; again locating piece 2121 is pulled at this moment on the position and engaging of locating groove 2111, because the corner location of moving beam 3 bottoms is held the safety when having guaranteed shutdown or maintenance effectively by safety tightening latch 222.
And when single lead screw ex truding briquetting machine is worked, simultaneously with about operating grip 212 on locating piece 2121 from the locating groove 2111 of location-plate 211, pull out, backward rotation operating grip 212, make each safe tightening latch 222 withdrawal and locating piece 2121 is pulled to the position of locating groove 2111, have only all safe tightening latches 222 of working as all to withdraw, metal single lead screw ex truding briquetting machine ability operate as normal, the security when having guaranteed work.
In addition, in order to improve heat-proof quality, as shown in Figure 1 and Figure 2, the bottom of described moving beam 3, the equal correspondence in top of deciding beam 4 are provided with thermal insulation board 30.
The utility model is not limited to above-mentioned embodiment, if various changes of the present utility model or modification are not broken away from spirit and scope of the present utility model, if these are changed and modification belongs within claim of the present utility model and the equivalent technologies scope, then the utility model also comprises these changes and modification.
Claims (10)
1. metal single lead screw ex truding briquetting machine, comprise fuselage part and injection device, described main body section branch comprises base, footstock, moving beam, Ding Liang, it is characterized in that: described fuselage part is provided with guide assembly corresponding to the left and right sides between base and the footstock, described moving beam and decide to be equipped with between the beam at least one pull bar, be provided with the obvolvent latch assembly that moving beam is carried out obvolvent locking between described moving beam upper end and the pull bar, be provided with mold-locking and mold-adjusting apparatus between described Ding Liang lower end and the pull bar.
2. metal single lead screw ex truding briquetting machine according to claim 1, it is characterized in that: be connected with on the described moving beam and drive the lowering or hoisting gear that moving beam moves up and down, this lowering or hoisting gear is a hoist cylinder, all fix a hoist cylinder corresponding to the corner location of moving beam on the described footstock, the piston rod of described four hoist cylinders is fixed in the corner location of moving beam accordingly.
3. metal single lead screw ex truding briquetting machine according to claim 2, it is characterized in that: described moving beam and the pull bar of deciding between the beam are four, described obvolvent latch assembly is the cohesion nut device that is locked on each pull bar, it comprises the clasp nut that annular internal thread is arranged in a pair, and correspondence position is provided with the annular external screw thread with the annular screw-internal thread fit of clasp nut on the described pull bar.
4. metal single lead screw ex truding briquetting machine according to claim 1, it is characterized in that: described guide assembly comprises guide rail, be used to fill out be combined in guide rail between moving beam sides wedge and have same slope with wedge and cooperate with wedge to fill out and be combined in moving beam sides and transfer the crack panel with the elbow of guide rail side, described elbow transfer the crack panel in the elbow by regulate double-screw bolt, nut is fixed on the bottom of moving beam.
5. metal single lead screw ex truding briquetting machine according to claim 4; it is characterized in that: described mold-locking and mold-adjusting apparatus comprise the locked mode that is installed on the end that stretches out in the pull bar of deciding beam bottom with master cylinder, main oil cylinder piston, place mother nut, Qi Mo that Mode-locking oil cylinder piston below is set in the peripheral and pull bar obvolvent of pull bar with opening mould oil cylinder, opening the mould piston, the master cylinder bottom of described master cylinder contacts with the bottom angled of deciding beam.
6. metal single lead screw ex truding briquetting machine according to claim 1 is characterized in that: the secondary ftercompction liftout attachment that the secondary ftercompction also is installed on the described moving beam and the ejecting force when dashing the material demoulding is provided.
7. metal single lead screw ex truding briquetting machine according to claim 6, it is characterized in that: described secondary ftercompction liftout attachment comprises upper mounting plate and following drive plate, on the described upper mounting plate extrusion oil cylinder is installed, this extrusion oil cylinder passes down the center of drive plate, the piston rod of described extrusion oil cylinder is the hollow piston bar, run through the secondary extrusion bar that has central through hole in the described hollow piston bar, described hollow piston bar is fixedlyed connected with the secondary extrusion bar, also be equipped with on the described upper mounting plate and dash the material liftout attachment, this liftout attachment comprises the oil cylinder that ejects that is fixed on the upper mounting plate, the described piston rod that ejects oil cylinder is fixedlyed connected with following drive plate, the described bottom of drive plate down is provided with and ejects connecting rod, and the described connecting rod that ejects is connected with the connecting plate that ejects that is used for the demoulding.
8. metal single lead screw ex truding briquetting machine according to claim 1 is characterized in that: be equipped with on the described guide rail and can hold the safety device that the anti-stop beam of moving beam moves downward.
9. metal single lead screw ex truding briquetting machine according to claim 8, it is characterized in that: described safety device comprises Handleset, is used to hold the safety cock assembly that the anti-stop beam of moving beam moves downward, be connected with the transmission component that is used to drive the action of safety cock assembly between described Handleset and the safety cock assembly, on left rail and right rail, all have setting to cooperate the security component unit that forms by described safety cock assembly, transmission component and Handleset.
10. metal single lead screw ex truding briquetting machine according to claim 1 is characterized in that: the bottom of described moving beam, the equal correspondence in top of deciding beam are provided with thermal insulation board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205702794U CN201832858U (en) | 2010-10-21 | 2010-10-21 | Metal extrusion molding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205702794U CN201832858U (en) | 2010-10-21 | 2010-10-21 | Metal extrusion molding machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201832858U true CN201832858U (en) | 2011-05-18 |
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ID=44002952
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205702794U Expired - Fee Related CN201832858U (en) | 2010-10-21 | 2010-10-21 | Metal extrusion molding machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201832858U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101954390A (en) * | 2010-10-21 | 2011-01-26 | 广东科达机电股份有限公司 | Metal extrusion molding machine |
| CN101992222A (en) * | 2010-11-10 | 2011-03-30 | 广东科达机电股份有限公司 | Mode locking and adjusting device with improved structure |
| CN102266874A (en) * | 2011-08-02 | 2011-12-07 | 太原重工股份有限公司 | Retractable self-adapting billet lubricating device |
| CN103128126A (en) * | 2011-11-23 | 2013-06-05 | 广东科达机电股份有限公司 | Vertical-lift injection device of metal extrusion molding machine |
| CN103406383A (en) * | 2013-07-29 | 2013-11-27 | 广东科达机电股份有限公司 | Mold closing equipment for two-plate machine |
-
2010
- 2010-10-21 CN CN2010205702794U patent/CN201832858U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101954390A (en) * | 2010-10-21 | 2011-01-26 | 广东科达机电股份有限公司 | Metal extrusion molding machine |
| CN101992222A (en) * | 2010-11-10 | 2011-03-30 | 广东科达机电股份有限公司 | Mode locking and adjusting device with improved structure |
| CN101992222B (en) * | 2010-11-10 | 2012-11-28 | 广东科达机电股份有限公司 | Mode locking and adjusting device with improved structure |
| CN102266874A (en) * | 2011-08-02 | 2011-12-07 | 太原重工股份有限公司 | Retractable self-adapting billet lubricating device |
| CN103128126A (en) * | 2011-11-23 | 2013-06-05 | 广东科达机电股份有限公司 | Vertical-lift injection device of metal extrusion molding machine |
| CN103128126B (en) * | 2011-11-23 | 2015-06-17 | 广东科达洁能股份有限公司 | Vertical-lift injection device of metal extrusion molding machine |
| CN103406383A (en) * | 2013-07-29 | 2013-11-27 | 广东科达机电股份有限公司 | Mold closing equipment for two-plate machine |
| CN103406383B (en) * | 2013-07-29 | 2015-09-16 | 广东科达洁能股份有限公司 | Two trigger mold closing mechanisms |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110518 Termination date: 20141021 |
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| EXPY | Termination of patent right or utility model |