CN102554180B - Die-casting mold for manufacturing automatic pump valve body of gasoline engine - Google Patents
Die-casting mold for manufacturing automatic pump valve body of gasoline engine Download PDFInfo
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- CN102554180B CN102554180B CN 201010618913 CN201010618913A CN102554180B CN 102554180 B CN102554180 B CN 102554180B CN 201010618913 CN201010618913 CN 201010618913 CN 201010618913 A CN201010618913 A CN 201010618913A CN 102554180 B CN102554180 B CN 102554180B
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Abstract
The invention relates to the technical field of die-casting molds, in particular to a die-casting mold for manufacturing an automatic pump valve body of a gasoline engine. The die-casting mold comprises a movable template and a fixed template; a movable mold core is arranged on one side of the movable template opposite to the fixed template; the fixed template is provided with a fixed mold core matched with the movable mold core; a valve body mold cavity is formed between the movable mold core and the fixed mold core; a sliding block demoulding device for forming a slot hole position of the valve body is arranged in the valve body mold cavity; the sliding block demoulding device comprises a cylinder, a sliding block and a connecting block which are sequentially arranged, wherein the connecting block is connected with the sliding block, the cylinder is fixed on the movable template and is in driving connection with the sliding block, and the connecting block is provided with a mold core opposite to the slot hole position of the valve body; and a lateral core-pulling mechanism is arranged between the sliding block and the fixed template. The lateral core-pulling mechanism pulls the sliding block and enables the mold core to be separated from a formed casting, and the sliding block is completely extracted from the casting of the valve body through the cylinder; and by effectivelycombining the demoulding mode of the lateral core-pulling mechanism and the demoulding mode of the cylinder together, the die-casting mold is convenient to demould.
Description
Technical field
The present invention relates to the die casting technical field, relate in particular to a kind of die casting for the manufacture of gasoline engine automatic pump valve body.
Background technology
Because the special version of gasoline engine automatic pump valve body, in the process of manufacture of reality, gasoline engine automatic pump valve body generally adopts the die casting mode to make and forms.Gasoline engine automatic pump valve body has comparatively complicated structure, and the position, hole is many and dark; In addition, because the special working environment of gasoline engine automatic pump valve body, for guaranteeing gasoline engine automatic pump valve body service life, the quality requirement of gasoline engine automatic pump valve body is than higher, and for example, the wall thickness of gasoline engine automatic pump valve body is even, dense internal organization, mechanical property is high.
Existing die casting for the manufacture of gasoline engine automatic pump valve body generally is made up of four Slippers, and wherein a Slipper is used for moulding valve body slotted hole position, and this slotted hole position hole depth is big and pattern draft is less.Utilizing this slotted hole position of die casting moulding because shaping area is big, the depanning gradient is less, can cause like this that slide block ram travel when the demoulding is long, slide block to hold force rate tightly bigger.In order to overcome the problems referred to above to the influence of the demoulding, existing gasoline engine automatic pump valve body die casting generally adopts the bigger oil cylinder of cylinder diameter to drive the Slipper of moulding long location hole, and in use there is more defective in the bigger oil cylinder of cylinder diameter, and for example cost is higher, fault rate is high and withdrawing speed waits shortcoming slowly.
Summary of the invention
The object of the invention is to provide a kind of die casting for the manufacture of gasoline engine automatic pump valve body at the deficiencies in the prior art, should can avoid valve body slotted hole position to the influence of the demoulding effectively for the manufacture of the die casting of gasoline engine automatic pump valve body, be convenient in demoulding.
For achieving the above object, the present invention is achieved through the following technical solutions:
A kind of die casting for the manufacture of gasoline engine automatic pump valve body, include moving platen and solid plate, moving platen is equiped with moving-mould-core in the side over against solid plate, solid plate is equiped with the cover half core that cooperates with moving-mould-core, form the valve body die cavity between moving-mould-core and the cover half core, the valve body die cavity is equipped with the slide block stripper apparatus for moulding valve body slotted hole position, the slide block stripper apparatus include oil cylinder, the slide block that is arranged in order and be connected with slide block connect piece, oil cylinder is fixed in moving platen and is connected with the slide block driving, and connecing formation of lots has the core corresponding with valve body slotted hole position; Be equiped with side core-drawing mechanism between slide block and the solid plate.
Wherein, described solid plate is equiped with the material pipe in deviating from described moving platen one side, and the material pipe offers sprue, the corresponding material of moving platen pipe is equiped with the branch flow cone, divide flow cone to offer runner, sprue, runner and described valve body die cavity are communicated with successively, and runner and described core are obliquely installed.
Wherein, the angle of described runner and described core is 45 °.
Wherein, described runner includes flat segments and the wide spoke section that is communicated with successively, and the charging aperture of flat segments is communicated with the discharging opening of described sprue, and the discharging opening of wide spoke end is communicated with described valve body die cavity.
Wherein, the guide pin bushing that described side core-drawing mechanism includes Angle Pin and cooperates with Angle Pin, Angle Pin is fixed in described solid plate, the corresponding Angle Pin of described slide block offers the installing hole that is obliquely installed with the die sinking direction, the guide pin bushing setting-in also is fixed in the installing hole, the corresponding slide block of solid plate is equiped with latch segment, when solid plate and moving platen matched moulds, and latch segment and slide block butt.
Wherein, described guide pin bushing and described slide block are spirally connected.
Wherein, the corresponding described oil cylinder of described moving platen is provided with cylinder bracket, and an end of cylinder bracket is connected with moving platen, and the other end of cylinder bracket is connected by screw with the cylinder body leading section of oil cylinder, and the piston rod of oil cylinder drives with described slide block and is connected.
Wherein, the piston rod of described oil cylinder is connected with cylinder connector, and the piston rod of described slide block, cylinder connector and oil cylinder connects successively, and wherein, the piston rod of cylinder connector and oil cylinder is spirally connected, cylinder connector and slide block clamping.
Wherein, described slide block is equipped with the spring stopping means, the spring stopping means includes the limit spring that is fixed in described moving-mould-core side by fixed screw, the corresponding limit spring of slide block offers spacing hole, when described slide block stripper apparatus is closed, the two ends of limit spring respectively with moving-mould-core and spacing hole butt.
Wherein, the described inside that connects piece offers the recirculated cooling water road, and the import in recirculated cooling water road is provided with the fortune water that is connected with water pump respectively with outlet and takes over.
Beneficial effect of the present invention is: a kind of die casting for the manufacture of gasoline engine automatic pump valve body of the present invention, include moving platen and solid plate, moving platen is equiped with moving-mould-core in the side over against solid plate, solid plate is equiped with the cover half core that cooperates with moving-mould-core, form the valve body die cavity between moving-mould-core and the cover half core, the valve body die cavity is equipped with the slide block stripper apparatus for moulding valve body slotted hole position, the slide block stripper apparatus includes the oil cylinder that is arranged in order, slide block and be connected with slide block connect piece, oil cylinder is fixed in moving platen and is connected with the slide block driving, and connecing formation of lots has the core corresponding with valve body slotted hole position; Be equiped with side core-drawing mechanism between slide block and the solid plate.In die sinking process of the present invention, side core-drawing mechanism is at first stirred slide block and is made core and the mould casting disengaging, by oil cylinder slide block is fully detached valve body moulding again, traditional relatively single ground oil cylinder stripping means, the present invention combines side core-drawing mechanism stripping means and oil cylinder stripping means effectively, is convenient in demoulding.
Description of drawings
The present invention is further illustrated below in conjunction with accompanying drawing, but the embodiment in the accompanying drawing does not constitute any limitation of the invention.
Fig. 1 is plan structure schematic diagram of the present invention.
Fig. 2 is the structural representation of " A " shown in Figure 1 direction.
Fig. 3 is the structural representation at another visual angle of the present invention.
Fig. 4 is the plan structure schematic diagram of die joint of the present invention position.
In Fig. 1 to Fig. 4, include:
1---moving platen 11---moving-mould-core 12---branch flow cone
121---the wide spoke sections of runner 121a---flat segments 121b---
13---cylinder bracket 2---solid plate 21---cover half cores
22---material pipe 221---sprue 3---slide block stripper apparatus
31---oil cylinder 32---slide block 33---connects piece
34---core 4---side core-drawing mechanism 41---Angle Pins
42---guide pin bushing 43---latch segment 5---cylinder connectors
6---spring stopping means 61---fixed screw 62---limit spring
63---spacing hole 7---recirculated cooling water road 8---fortune water adapters.
The specific embodiment
The present invention is further illustrated below in conjunction with embodiment.
Embodiment one, as shown in Figures 1 to 4, a kind of die casting for the manufacture of gasoline engine automatic pump valve body, include moving platen 1 and solid plate 2, moving platen 1 is equiped with moving-mould-core 11 in the side over against solid plate 2, solid plate 2 is equiped with the cover half core 21 that cooperates with moving-mould-core 11, form the valve body die cavity between moving-mould-core 11 and the cover half core 21, the valve body die cavity is equipped with the slide block stripper apparatus 3 for moulding valve body slotted hole position, slide block stripper apparatus 3 includes the oil cylinder 31 that is arranged in order, slide block 32 and be connected with slide block 32 connect piece 33, oil cylinder 31 is fixed in moving platen 1 and is connected with slide block 32 drivings, connects piece 33 and forms the core 34 corresponding with valve body slotted hole position; Be equiped with side core-drawing mechanism 4 between slide block 32 and the solid plate 2.
In processing of the present invention and assembling process thereof, moving-mould-core 11 setting-ins are to moving platen 1 corresponding mounting groove, cover half core 21 setting-ins are to solid plate 2 corresponding mounting grooves, and wherein, cover half core 21 and moving-mould-core 11 can be by being spirally connected or friction tight mode is fixed in the corresponding mounting groove; Cover half core 21 and moving-mould-core 11 are processed with the forming area corresponding with gasoline engine automatic pump valve body by machining mode respectively; Connecing piece 33 corresponding valve body die cavity machine-shapings has core 34, and this core 34 is used for the long location hole of moulding gasoline engine automatic pump valve body; Side core-drawing mechanism 4 is installed between solid plate 2 and the slide block 32.In these practical core 34 die sinking processes, moving platen 1 and solid plate 2 separate under the effect of the portable plate of die casting machine and fixed head respectively, originally closed side core-drawing mechanism 4 is along with moving platen 1 separated with separating of solid plate 2, at this moment, slide block 32 moves laterally under the driving effect of side core-drawing mechanism 4 and makes slide block 32 break away from valve body moulding; When side core-drawing mechanism 4 separated fully, slide block 32 was fully pulled out foundry goods under oil cylinder 31 effects, namely finish demoulding work.Traditional relatively single oil cylinder 31 stripping means, the present invention combines side core-drawing mechanism 4 stripping means and oil cylinder 31 stripping means effectively, is convenient in demoulding.
As preferred embodiment, described solid plate 2 is equiped with material pipe 22 in deviating from described moving platen 1 one sides, material pipe 22 offers sprue 221, moving platen 1 corresponding material pipe 22 is equiped with branch flow cone 12, divide flow cone 12 to offer runner 121, sprue 221, runner 121 and described valve body die cavity are communicated with successively, and runner 121 is obliquely installed with described core 34.The sprue 221 of material pipe 22 and the runner that divides flow cone 12 121 are formed the running gate system of these practical cores 34, and the molten metal (for example molten aluminium alloy) that falls in the feeding pipe 22 enters in the valve body die cavity and finally fills full valve body die cavity through sprue 221, runner 121 successively.In the process of utilizing existing gasoline engine automatic pump valve body die casting manufacturing gasoline engine automatic pump valve body, molten metal through the charging aperture of valve body die cavity directly and connect the core 34 of piece 33 over against the ground erosion, core 34 surface quality after erosion seriously reduce (surface roughness become big), can influence the valve body moulding surface quality after the moulding like this; Simultaneously, in the process of moving platen 1 and solid plate 2 die sinkings, the valve body moulding after the moulding sticking to mould can occur and pull phenomenon.For addressing the above problem, runner 121 of the present invention is obliquely installed with core 34, be that runner 121 is arranged to certain included angle with core 34, so just can avoid molten metal through the direct erosion core of running gate system 34 surfaces, and then improve the quality of service life of the present invention and valve body moulding.Find that through actual production processing runner 121 can be arranged to core 34
45 ° angle, this angle can reach result of use preferably, and certainly, above-mentioned angle is not construed as limiting the invention, and namely runner 121 and core 34 can also be arranged to other angle value.
Further, described runner 121 includes flat segments 121a and the wide spoke section 121b that is communicated with successively, and the charging aperture of flat segments 121a is communicated with the discharging opening of described sprue 221, and the discharging opening of wide spoke section 121b is communicated with described valve body die cavity.Straight runner 121 can make molten metal be banded directly erosion core 34, and this is unfavorable to reducing core 34 erosions and improving the valve body moulding surface quality; The present invention is divided into flat segments 121a and wide spoke section 121b two ends with runner 121, can enter the valve body die cavity so that be the eddy current shape through the molten metal of runner 121 like this, can reduce molten metal like this to core 34 erosions.
As preferred embodiment, the guide pin bushing 42 that described side core-drawing mechanism 4 includes Angle Pin 41 and cooperates with Angle Pin 41, Angle Pin 41 is fixed in described solid plate 2, described slide block 32 corresponding Angle Pins 41 offer the installing hole that is obliquely installed with the die sinking direction, guide pin bushing 42 setting-ins also are fixed in the installing hole, solid plate 2 corresponding slide blocks 32 are equiped with latch segment 43, when solid plate 2 and moving platen 1 matched moulds, and latch segment 43 and slide block 32 butts.Side core-drawing mechanism 4 is made up of Angle Pin 41 and guide pin bushing 42, and wherein Angle Pin 41 is fixedly installed on the solid plate 2, and guide pin bushing 42 is fixed in slide block 32; In addition, the working end of Angle Pin 41 tilts laterally, and guide pin bushing 42 cooperates with Angle Pin 41.In moving platen 1 of the present invention and solid plate 2 matched moulds processes, moving platen 1 moves to solid plate 2, and Angle Pin 41 inserts in the guide pin bushings 42; When moving platen 1 continued to move, slide block 32 was mobile with moving platen 1 on the one hand, and the opposing party arrives assigned address along Angle Pin 41 is mobile to the inside until core 34.In addition, latch segment 43 is arranged to wedge shape, and after core 34 arrived assigned address, latch segment 43 was with slide block 32 lockings, and namely the Forming Quality of valve body appears becoming flexible and then influencing in anti-limited slip block 32 in the process of die casting.
Further, described guide pin bushing 42 is spirally connected with described slide block 32.Be spirally connected as a kind of dismountable connected mode, namely guide pin bushing 42 can momentarily be changed; When guide pin bushing 42 because rubbing action and can not continue to use the time, operating personnel only need change the guide pin bushing of scrapping 42 and need not to change whole slide block 32, so, adopts above-mentioned detachable edge nested structure can convenient for maintaining, the saving cost.
As preferred embodiment, described moving platen 1 corresponding described oil cylinder 31 is provided with cylinder bracket 13, one end of cylinder bracket 13 is connected with moving platen 1, and the other end of cylinder bracket 13 is connected by screw with the cylinder body leading section of oil cylinder 31, and the piston rod of oil cylinder 31 drives with described slide block 32 and is connected.The cylinder body leading section of oil cylinder 31 is fixed in moving platen 1 by cylinder bracket 13, and namely in the process of die sinking of the present invention and matched moulds, oil cylinder 31 is all with moving platen 1 action; In addition, the cylinder body leading section of oil cylinder 31 and rear end of the cylinder block portion offer respectively for the pipe joint that connects petroleum pipeline, the present invention changes the piston rod activity direction of oil cylinder 31 by change cylinder body leading section and rear end of the cylinder block portion into and out of oily direction, and then controls the opening and closing action of core 34.
Further, the piston rod of described oil cylinder 31 is connected with cylinder connector 5, and the piston rod of described slide block 32, cylinder connector 5 and oil cylinder 31 connects successively, and wherein, cylinder connector 5 is spirally connected with the piston rod of oil cylinder 31, cylinder connector 5 and slide block 32 clampings.Piston rod for ease of oil cylinder 31 is connected with slide block 32, and the present invention arranges cylinder connector 5 between slide block 32 and piston rod; In the course of work of the present invention, the piston rod of oil cylinder 31 drives cylinder connector 5, slide block 32 successively and connects piece 33 and final driving core 34 actions under the effect of extraneous hydraulic system.
As preferred embodiment, described slide block 32 is equipped with spring stopping means 6, spring stopping means 6 includes the limit spring 62 that is fixed in described moving-mould-core 11 sides by fixed screw 61, slide block 32 corresponding limit spring 62 offer spacing hole 63, when described slide block stripper apparatus 3 is closed, the two ends of limit spring 62 respectively with moving-mould-core 11 and spacing hole 63 butts.Spring stopping means 6 is mainly used in anti-limited slip block 32 collision moving-mould-cores 11; In the course of work of the present invention, when slide block 32 moves to the inside under the driving effect of side core-drawing mechanism 4 and oil cylinder 31 and moves to certain position, limit spring 62 intercalations to spacing hole 63, at this moment, limit spring 62 respectively with spacing hole 63 and moving-mould-core 11 butts at two ends; When slide block 32 continued to move to the inside, limit spring 62 was compressed and then react on slide block 32, can avoid effectively like this since slide block 32 to move malfunctioning moving-mould-core 11 and the slide block 32 of causing destroyed.
Embodiment two, and present embodiment two is with the difference of embodiment one: the described inside that connects piece 33 offers recirculated cooling water road 7, and the import in recirculated cooling water road 7 is provided with the fortune water that is connected with water pump respectively with outlet and takes over 8.Under the driving effect of water pump, cooling water is taken over 8 through the fortune water of the import department in recirculated cooling water road 7 and is entered in the recirculated cooling water road 7, cooling water in recirculated cooling water road 7, circulate and with press casting procedure in the heat of core 34 take over 8 through the fortune water in exit and be transported away.This practical core 34 is lowered the temperature to the core 34 in the press casting procedure by circulating cooling system (including recirculated cooling water road 7, fortune water adapter 8, water pump and cooling water etc.), can avoid effectively like this owing to the too high mold sticking that causes of core 34 temperature, and then further strengthen result of use of the present invention.
Above content is preferred embodiment of the present invention only, and for those of ordinary skill in the art, according to thought of the present invention, the part that all can change in specific embodiments and applications, this description should not be construed as limitation of the present invention.
Claims (1)
1. die casting for the manufacture of gasoline engine automatic pump valve body, include moving platen (1) and solid plate (2), moving platen (1) is equiped with moving-mould-core (11) in the side over against solid plate (2), solid plate (2) is equiped with the cover half core (21) that cooperates with moving-mould-core (11), form the valve body die cavity between moving-mould-core (11) and the cover half core (21), it is characterized in that: the valve body die cavity is equipped with the slide block stripper apparatus (3) for moulding valve body slotted hole position, slide block stripper apparatus (3) includes the oil cylinder (31) that is arranged in order, slide block (32) and be connected with slide block (32) connect piece (33), oil cylinder (31) is fixed in moving platen (1) and is connected with slide block (32) driving, connects piece (33) and forms the core (34) corresponding with valve body slotted hole position; Be equiped with side core-drawing mechanism (4) between slide block (32) and the solid plate (2); Described solid plate (2) is equiped with material pipe (22) in deviating from described moving platen (1) one side, material pipe (22) offers sprue (221), the corresponding material pipe of moving platen (1) (22) is equiped with branch flow cone (12), divide flow cone (12) to offer runner (121), sprue (221), runner (121) and described valve body die cavity are communicated with successively, and runner (121) is obliquely installed with described core (34); Described runner (121) is 45 ° with the angle of described core (34); Described runner (121) includes flat segments (121a) and the wide spoke section (121b) that is communicated with successively, the charging aperture of flat segments (121a) is communicated with the discharging opening of described sprue (221), and the discharging opening of wide spoke section (121b) is communicated with described valve body die cavity.
2, a kind of die casting for the manufacture of gasoline engine automatic pump valve body according to claim 1, it is characterized in that: the guide pin bushing (42) that described side core-drawing mechanism (4) includes Angle Pin (41) and cooperates with Angle Pin (41), Angle Pin (41) is fixed in described solid plate (2), the corresponding Angle Pin of described slide block (32) (41) offers the installing hole that is obliquely installed with the die sinking direction, guide pin bushing (42) setting-in also is fixed in the installing hole, the corresponding slide block of solid plate (2) (32) is equiped with latch segment (43), when solid plate (2) and moving platen (1) matched moulds, latch segment (43) and slide block (32) butt.
3, a kind of die casting for the manufacture of gasoline engine automatic pump valve body according to claim 2 is characterized in that: described guide pin bushing (42) is spirally connected with described slide block (32).
4, a kind of die casting for the manufacture of gasoline engine automatic pump valve body according to claim 2, it is characterized in that: the corresponding described oil cylinder of described moving platen (1) (31) is provided with cylinder bracket (13), one end of cylinder bracket (13) is connected with moving platen (1), the other end of cylinder bracket (13) is connected by screw with the cylinder body leading section of oil cylinder (31), and the piston rod of oil cylinder (31) drives with described slide block (32) and is connected.
5, a kind of die casting for the manufacture of gasoline engine automatic pump valve body according to claim 4, it is characterized in that: the piston rod of described oil cylinder (31) is connected with cylinder connector (5), the piston rod of described slide block (32), cylinder connector (5) and oil cylinder (31) connects successively, wherein, cylinder connector (5) is spirally connected with the piston rod of oil cylinder (31), cylinder connector (5) and slide block (32) clamping.
6, a kind of die casting for the manufacture of gasoline engine automatic pump valve body according to claim 2, it is characterized in that: described slide block (32) is equipped with spring stopping means (6), spring stopping means (6) includes the limit spring (62) that is fixed in described moving-mould-core (11) side by fixed screw (61), the corresponding limit spring of slide block (32) (62) offers spacing hole (63), when described slide block stripper apparatus (3) is closed, the two ends of limit spring (62) respectively with moving-mould-core (11) and spacing hole (63) butt.
7, according to any described a kind of die casting for the manufacture of gasoline engine automatic pump valve body of claim 1 to 6, it is characterized in that: the described inside that connects piece (33) offers recirculated cooling water road (7), and the import of recirculated cooling water road (7) is provided with the fortune water that is connected with water pump respectively with outlet and takes over (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN 201010618913 CN102554180B (en) | 2010-12-31 | 2010-12-31 | Die-casting mold for manufacturing automatic pump valve body of gasoline engine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010618913 CN102554180B (en) | 2010-12-31 | 2010-12-31 | Die-casting mold for manufacturing automatic pump valve body of gasoline engine |
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| CN102554180A CN102554180A (en) | 2012-07-11 |
| CN102554180B true CN102554180B (en) | 2013-09-25 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103111597A (en) * | 2012-12-11 | 2013-05-22 | 重庆百吉四兴压铸有限公司 | Seven-gear continuously-variable speed changing machine solenoid valve body pressure casting mould |
| CN103057051B (en) * | 2012-12-25 | 2014-11-05 | 瑞安市宇特科技有限公司 | Horizontal core loosing mechanism for side snap-board of inner oil inlet pipe on upper cover of automobile fuel oil pump assembly |
| CN106180631B (en) * | 2016-08-09 | 2018-02-27 | 浙江工业大学 | A kind of auto trailer valve mould and its casting method |
| CN112620604B (en) * | 2020-12-18 | 2022-02-18 | 苏州广型模具有限公司 | Core-pulling parting structure of lightweight valve body die-casting die |
| CN114799122A (en) * | 2022-06-27 | 2022-07-29 | 宁波市北仑欣玉模具制造有限公司 | Time delay drawing of patterns sliding block set spare and die casting die of die casting die |
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| DE10225528A1 (en) * | 2002-06-10 | 2004-01-08 | G+K Umformtechnik Gmbh | trimming |
| DE202005012744U1 (en) * | 2005-08-12 | 2006-04-27 | Meusburger Georg Gmbh & Co. | Injection molding tool with transverse slide moved by inclined guide pillar uses a single guide channel at center of the slide |
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| C53 | Correction of patent for invention or patent application | ||
| CB03 | Change of inventor or designer information |
Inventor after: Lin Zhongcheng Inventor after: Qi Xianyi Inventor before: Qi Xianyi |
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| COR | Change of bibliographic data |
Free format text: CORRECT: INVENTOR; FROM: QI XIANYI TO: LIN ZHONGCHENG QI XIANYI |