CN102139524A - Injection mould for automobile fuel tank fuel filler cap - Google Patents
Injection mould for automobile fuel tank fuel filler cap Download PDFInfo
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- CN102139524A CN102139524A CN201110048756XA CN201110048756A CN102139524A CN 102139524 A CN102139524 A CN 102139524A CN 201110048756X A CN201110048756X A CN 201110048756XA CN 201110048756 A CN201110048756 A CN 201110048756A CN 102139524 A CN102139524 A CN 102139524A
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- float plate
- moving platen
- push rod
- slide block
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Abstract
The invention discloses an injection mould for an automobile fuel tank fuel filler cap. The injection mould comprises a fixed die (04) and a moveable die (01). An oil cylinder and a sliding block are arranged on a floating plate; a moveable die core and the floating plate are arranged on a moveable template of the moveable die in a floating mode; an ejector spring pushes the floating plate to drive the oil cylinder, the sliding block, the moveable die core and the product to longitudinally remove from the part of the upside-down surface of a core sleeve firstly by utilizing die opening of the fixed die and the moveable die; the sliding block is driven by the oil cylinder to transversely loose core; a prop pillar of an injection moulding machine pushes the moveable die core and the product to move forward; and the product is stripped and demoulded from the moveable die core manually, so that the problems and the defects of a complex demoulding mechanism, unsmooth demoulding process and high cost in the injection mould for the automobile fuel tank fuel filler cap in the prior art are solved and overcome, and the injection mould for the automobile fuel tank fuel filler cap fulfills the aims of simplifying the demoulding mechanism, smoothing the demoulding process and reducing cost.
Description
Technical field
The present invention relates to a kind of injection forming mold, specifically be meant the injection forming mold of a kind of oil feeding port of automobile gasoline tank cap of the soft elasticity plastic member product of injection mo(u)lding.
Background technology
The soft elastic article of oil feeding port of automobile gasoline tank cap of prior art and so on adopts the oil resistant tartan, and there is the problem that production efficiency is low, working strength is big, material cost is high in the compacting by compacting tool set again through sulfidization molding.The oil resistant soft PVC materials can substitute the soft elastic article that the oil resistant tartan is made oil resistant; and pvc material can pass through injection moulded products; injection moulded products has production efficiency height, advantage that working strength is low; because the many back-off structure of oil feeding port of automobile gasoline tank cap goods, so there are the problems and shortcomings that mould emptier complexity, the demoulding are not smooth, cost is high in the injection forming mold of prior art oil feeding port of automobile gasoline tank cap.
Summary of the invention
Problems and shortcomings at above-mentioned prior art existence; the present invention adopts oil cylinder; slide block is arranged on the float plate; dynamic mould core and float plate floated be arranged on the moving platen of dynamic model; utilize dynamic model; the die sinking of cover half; drive oil cylinder by ejector spring pushing tow float plate; slide block; dynamic mould core and goods are vertically deviate from the part that core is arranged with goods half slit bamboo or chopped wood back-off profile in advance; restarting oil cylinder affects slide block laterally to loose core; fore-set pushing tow dynamic mould core and goods by the injection machine afterbody move forward then; again by manually goods being peeled off the technical scheme of the demoulding from dynamic mould core; a kind of injection forming mold of oil feeding port of automobile gasoline tank cap is provided; be intended to oil cylinder is set by floating; slide block; the substep of dynamic mould core is deviate from; the mode of loosing core makes the injection forming mold of oil feeding port of automobile gasoline tank cap goods reach the simplification mould emptier; the demoulding is smooth and easy; the purpose that reduces cost.
The object of the present invention is achieved like this: a kind of injection forming mold of oil feeding port of automobile gasoline tank cap, comprise cover half, dynamic model, wherein: described dynamic model is made of moving platen, core cover, float plate, ejector spring, oil cylinder, slide block, dynamic mould core, core push rod, push rod back-moving spring, base plate, mould pin, is installed in the part on the injection machine movable table during application;
Dynamic mould core is top and top periphery is provided with the steel core body of the convex face that the concave shape face with goods matches, the bottom of dynamic mould core is cylindrical, and be slidingly matched with the bottom of the inner tubal wall of described core cover, the bottom face of dynamic mould core is the plane, and the bottom face center is provided with blind screw hole;
Moving platen is the rectangular steel plates of the described core cover of carrying, float plate, dynamic mould core, the center of moving platen is provided with the step through-hole of the up-small and down-big circle that is used to install described core push rod, push rod back-moving spring, and the top symmetry of moving platen is laid with some the circular grooves that are used to locate described ejector spring; The top symmetry of moving platen is laid with some guide pillars that the positioning and guiding float plate moves up and down that are used for;
Core cover is cylindrical shape steel pipe box, and the top of the inner tubal wall of core cover is provided with the matrix face that the convex face with goods matches, and the bottom of the inner tubal wall of core cover and the cylindrical post jamb of described dynamic mould core bottom are slidingly matched; The outer tube wall of core cover and the centre bore of described float plate are slidingly matched;
Float plate is the rectangular steel plates that the center is provided with round center hole, and the outer tube wall of the hole wall of the centre bore of float plate and described core cover is slidingly matched; The top radial symmetric along centre bore of float plate is provided with the T shape chute that is slidingly matched with described slide block, and the circular groove position of the following and described moving platen of float plate is corresponding to be provided with some the circular blind holes that are used to locate described ejector spring; Float plate is provided with the guide pin bushing that some guide pillars with described moving platen are corresponding and be slidingly matched;
Ejector spring is a cylindroid helical-coil compression spring;
The hydraulically extensible element of oil cylinder for constituting by oil cylinder seat and piston rod;
Slide block constitutes for the steel block member of being closed symbol by two slit bamboo or chopped woods, one side of every slit bamboo or chopped wood slide block is provided with the matrix face that the side convex face with goods matches, the inner face that is called slide block, the side relative with inner face is called the outside of slide block, after the matrix face of two slit bamboo or chopped wood slide blocks closed symbol, the inner face of two slit bamboo or chopped wood slide blocks constituted the complete matrix face that matches with goods side convex face; Every slit bamboo or chopped wood slide block following all is provided with the T shape slide rail that the T shape chute with described float plate is slidingly matched; Fixedly connected with the piston rod of described oil cylinder in the outside of slide block;
The core push rod is that an end is provided with flange cap head, and the other end is provided with externally threaded rod component, and the external screw thread of core push rod matches with the blind screw hole of described dynamic mould core;
The push rod back-moving spring is a cylindroid helical-coil compression spring;
Be fixedly mounted on during backplane applications on the movable table of injection machine, for carrying the steel rectangular substrate of whole dynamic model part; The base plate center is provided with the through hole that is used for passing through for injection machine afterbody fore-set the described core push rod of base plate pushing tow;
The mould pin is for supporting the rectangle bloom of described moving platen; The mould pin is supported on two limits below the moving platen, with the built on stilts top that is fixed on base plate of moving platen; The push rod back-moving spring is enclosed within on the sidewall of core push rod, and the male end of core push rod is upward through the step through-hole at moving platen center below moving platen, the unsteady elasticity of dynamic mould core is contained in the top center of moving platen; The inwall slip cap of core cover on the sidewall of dynamic mould core, the lower surface of core cover be fixed on moving platen above; The center bore inner wall slip cap of float plate is on the outer wall of core cover, the guide pin bushing slip cap of float plate is on the guide pillar of moving platen, the upper end of ejector spring is contained in the circular blind hole of float plate, the lower end of ejector spring is contained in the circular groove of moving platen, and ejector spring pushing tow float plate can float over the top of moving platen; The oil cylinder seat of oil cylinder is fixed on the lateral surface of float plate, the piston rod of oil cylinder connecting slide block be positioned at float plate above, the T shape slide rail sliding gomphosis of slide block is in the T of float plate shape chute;
Described cover half is fixedly mounted on the injection machine stationary work-table when using, the cast gate of carrying mould, the part of cover half die cavity, and the cover half die cavity is provided with the steel of the matrix face that the convex face with goods matches below being and inserts; The position of cover half die cavity is corresponding up and down with the position of described dynamic mould core.
Operation principle
Mould is horizontal during application is installed on the injection machine, and the fore-and-aft direction of job description is the above-below direction that said structure is described.
The elastic force that dynamic model, cover half matched moulds tense, cover half compressing float plate overcome ejector spring make float plate below be fitted in moving platen above; Injection moulding, cooling, die sinking;
During die sinking, cover half is motionless, the dynamic model rollback, cover half, dynamic model separates along die joint, this moment, goods packed tightly on dynamic mould core, ejector spring promotes float plate and breaks away from moving platen forward, make float plate drive oil cylinder, slide block, dynamic mould core and goods are vertically deviate from the part that core is arranged with goods half slit bamboo or chopped wood back-off profile in advance, afterwards, start oil cylinder and affect slide block laterally to loose core, the matrix face of two slit bamboo or chopped wood slide blocks separately breaks away from goods, rollback along with dynamic model, the fore-set pushing tow core push rod of injection machine afterbody promotes dynamic mould core and goods reach, and by manually goods being peeled off the demoulding from dynamic mould core, this moment, the push rod back-moving spring was compressed again;
During matched moulds, dynamic model advances, along with advancing of dynamic model, the fore-set of injection machine afterbody breaks away from the core push rod, the push rod action of reset spring, and dynamic mould core vertically resets, afterwards, start oil cylinder and promote slide block and laterally reset, cover half compressing float plate overcomes the elastic force of ejector spring, makes to float that strip oil cylinder, slide block vertically resets.
Above-mentioned; the present invention adopts oil cylinder; slide block is arranged on the float plate; dynamic mould core and float plate floated be arranged on the moving platen of dynamic model; utilize dynamic model; the die sinking of cover half; drive oil cylinder by ejector spring pushing tow float plate; slide block; dynamic mould core and goods are vertically deviate from the part that core is arranged with goods half slit bamboo or chopped wood back-off profile in advance; restarting oil cylinder affects slide block laterally to loose core; fore-set pushing tow dynamic mould core and goods by the injection machine afterbody move forward then; again by manually goods being peeled off the technical scheme of the demoulding from dynamic mould core; there is the mould emptier complexity in the injection forming mold that has overcome prior art oil feeding port of automobile gasoline tank cap; the demoulding is not smooth; the problems and shortcomings that cost is high; the injection forming mold of a kind of oil feeding port of automobile gasoline tank cap that is provided; by floating oil cylinder is set; slide block; the substep of dynamic mould core is deviate from; the mode of loosing core makes the injection forming mold of oil feeding port of automobile gasoline tank cap goods reach the simplification mould emptier; the demoulding is smooth and easy; the purpose that reduces cost.
Description of drawings
Fig. 1 is the structure cross-sectional schematic of the injection forming mold of oil feeding port of automobile gasoline tank cap of the present invention;
Fig. 2 is the injection forming mold of oil feeding port of automobile gasoline tank cap of the present invention, is operated in the principle schematic of mold-closing injection tense;
Fig. 3 is the injection forming mold of oil feeding port of automobile gasoline tank cap of the present invention, is operated in die sinking, and float plate breaks away from moving platen forward, and goods are vertically deviate from the principle schematic of core cover tense in advance;
Fig. 4 is the injection forming mold of oil feeding port of automobile gasoline tank cap of the present invention, is operated in die sinking, and oil cylinder affects laterally the loose core principle schematic of tense of slide block;
Fig. 5 is the injection forming mold of oil feeding port of automobile gasoline tank cap of the present invention, is operated in die sinking, fore-set pushing tow dynamic mould core and goods reach, the artificial principle schematic of goods being peeled off demoulding tense.
Below in conjunction with the embodiment in the accompanying drawing the present invention is described in further detail, but should not be construed as any limitation of the invention.
Among the figure: dynamic model 01, moving platen 1, core cover 11, float plate 2, ejector spring 3, oil cylinder 4, slide block 5, dynamic mould core 6, core push rod 61, push rod back-moving spring 62, base plate 011, mould pin 012, goods 03, cover half 04, cover half die cavity 05, fore-set 06.
The specific embodiment
Consult Fig. 1～Fig. 5, the injection forming mold of a kind of oil feeding port of automobile gasoline tank cap of the present invention, comprise cover half 04, dynamic model 01, wherein: described dynamic model 01 is made of moving platen 1, core cover 11, float plate 2, ejector spring 3, oil cylinder 4, slide block 5, dynamic mould core 6, core push rod 61, push rod back-moving spring 62, base plate 011, mould pin 012, is installed in the part on the injection machine movable table during application;
Moving platen 1 is the rectangular steel plates of the described core cover 11 of carrying, float plate 2, dynamic mould core 6, the center of moving platen 1 is provided with the step through-hole of the up-small and down-big circle that is used to install described core push rod 61, push rod back-moving spring 62, and the top symmetry of moving platen 1 is laid with some the circular grooves that are used to locate described ejector spring 3; The top symmetry of moving platen 1 is laid with some guide pillars that positioning and guiding float plate 2 moves up and down that are used for;
The hydraulically extensible element of oil cylinder 4 for constituting by oil cylinder seat and piston rod;
Push rod back-moving spring 62 is a cylindroid helical-coil compression spring;
Described cover half 04 is fixedly mounted on the injection machine stationary work-table when using, the cast gate of carrying mould, the part of cover half die cavity 05, and cover half die cavity 05 is provided with the steel of the matrix face that the convex face with goods 03 matches below being and inserts; The position of cover half die cavity 05 is corresponding up and down with the position of described dynamic mould core 6.
Operation principle
Mould is horizontal during application is installed on the injection machine, and the fore-and-aft direction of job description is the above-below direction that said structure is described.
The elastic force that dynamic model 01, cover half 04 matched moulds tense, cover half 04 compressing float plate 2 overcome ejector spring 3 make float plate 2 below be fitted in moving platen 1 above; Injection moulding, cooling, die sinking;
During die sinking, cover half 04 is motionless, dynamic model 01 rollback, cover half 04, dynamic model 01 separates along die joint, this moment, goods 03 packed tightly on dynamic mould core 6, ejector spring 3 promotes float plate 2 and breaks away from moving platen 1 forward, make float plate 2 drive oil cylinder 4, slide block 5, dynamic mould core 6 and goods 03 are vertically deviate from the part that core cover 11 is provided with goods 03 half slit bamboo or chopped wood back-off profiles in advance, afterwards, starting oil cylinder 4 affects slide block 5 laterally to loose core, the matrix face of two slit bamboo or chopped wood slide blocks 5 separately breaks away from goods 03, rollback along with dynamic model 01, the fore-set 06 pushing tow core push rod 61 of injection machine afterbody promotes dynamic mould core 6 and goods 03 reach, and by manually goods 03 being peeled off the demoulding from dynamic mould core 6, push rod back-moving spring 62 is compressed at this moment again;
During matched moulds, dynamic model 01 advances, along with advancing of dynamic model 01, the fore-set 06 of injection machine afterbody breaks away from core push rod 61,62 effects of push rod back-moving spring, and dynamic mould core 6 vertically resets, afterwards, start oil cylinder 4 promotion slide blocks 5 and laterally reset, cover half 04 compressing float plate 2 overcomes the elastic force of ejector spring 3, makes float plate 2 be with oil cylinder 4, slide block 5 vertically to reset.
Claims (1)
1. the injection forming mold of an oil feeding port of automobile gasoline tank cap, comprise cover half (04), dynamic model (01), it is characterized in that: described dynamic model (01) is made of moving platen (1), core cover (11), float plate (2), ejector spring (3), oil cylinder (4), slide block (5), dynamic mould core (6), core push rod (61), push rod back-moving spring (62), base plate (011), mould pin (012), is installed in the part on the injection machine movable table during application;
Dynamic mould core (6) is top and top periphery is provided with and the steel core body of the convex face that the concave shape face of goods (03) matches, the bottom of dynamic mould core (6) is cylindrical, and be slidingly matched with the bottom of the inner tubal wall of described core cover (11), the bottom face of dynamic mould core (6) is the plane, and the bottom face center is provided with blind screw hole;
Moving platen (1) is the rectangular steel plates of carrying described core cover (11), float plate (2), dynamic mould core (6), the center of moving platen (1) is provided with the step through-hole of the up-small and down-big circle that is used to install described core push rod (61), push rod back-moving spring (62), and the top symmetry of moving platen (1) is laid with some the circular grooves that are used to locate described ejector spring (3); The top symmetry of moving platen (1) is laid with some guide pillars that positioning and guiding float plate (2) moves up and down that are used for;
Core cover (11) is a cylindrical shape steel pipe box, the top of the inner tubal wall of core cover (11) is provided with the matrix face that the convex face with goods (03) matches, and the cylindrical post jamb of the bottom of the inner tubal wall of core cover (11) and described dynamic mould core (6) bottom is slidingly matched; The centre bore of the outer tube wall of core cover (11) and described float plate (2) is slidingly matched;
Float plate (2) is provided with the rectangular steel plates of round center hole for the center, and the outer tube wall of the hole wall of the centre bore of float plate (2) and described core cover (11) is slidingly matched; The top radial symmetric along centre bore of float plate (2) is provided with the T shape chute that is slidingly matched with described slide block (5), and the circular groove position of the following and described moving platen (1) of float plate (2) is corresponding to be provided with some the circular blind holes that are used to locate described ejector spring (3); Float plate (2) is provided with the guide pin bushing that the guide pillar of some and described moving platen (1) is corresponding and be slidingly matched;
Ejector spring (3) is a cylindroid helical-coil compression spring;
The hydraulically extensible element of oil cylinder (4) for constituting by oil cylinder seat and piston rod;
Slide block (5) constitutes for the steel block member of being closed symbol by two slit bamboo or chopped woods, one side of every slit bamboo or chopped wood slide block (5) is provided with the matrix face that the side convex face with goods (03) matches, the inner face that is called slide block (5), the side relative with inner face is called the outside of slide block (5), after the matrix face of two slit bamboo or chopped wood slide blocks (5) closed symbol, the inner face of two slit bamboo or chopped wood slide blocks (5) constituted the complete matrix face that matches with goods (03) side convex face; Every slit bamboo or chopped wood slide block (5) following all is provided with the T shape slide rail that the T shape chute with described float plate (2) is slidingly matched; Fixedly connected with the piston rod of described oil cylinder (4) in the outside of slide block (5);
Core push rod (61) is that an end is provided with flange cap head, and the other end is provided with externally threaded rod component, and the external screw thread of core push rod (61) matches with the blind screw hole of described dynamic mould core (6);
Push rod back-moving spring (62) is a cylindroid helical-coil compression spring;
Base plate (011) is fixedly mounted on the movable table of injection machine when using, for carrying the steel rectangular substrate of whole dynamic model (01) part; Base plate (011) center is provided with the through hole that is used for passing through for injection machine afterbody fore-set (06) base plate (011) the described core push rod of pushing tow (61);
Mould pin (012) is for supporting the rectangle bloom of described moving platen (1); Mould pin (012) is supported on two limits below the moving platen (1), with the built on stilts top that is fixed on base plate (011) of moving platen (1); Push rod back-moving spring (62) is enclosed within on the sidewall of core push rod (61), the male end of core push rod (61) is upward through the step through-hole at moving platen (1) center below moving platen (1), the unsteady elasticity of dynamic mould core (6) is contained in the top center of moving platen (1); The inwall slip cap of core cover (11) on the sidewall of dynamic mould core (6), the lower surface of core cover (11) be fixed on moving platen (1) above; The center bore inner wall slip cap of float plate (2) is on the outer wall of core cover (11), the guide pin bushing slip cap of float plate (2) is on the guide pillar of moving platen (1), the upper end of ejector spring (3) is contained in the circular blind hole of float plate (2), the lower end of ejector spring (3) is contained in the circular groove of moving platen (1), and ejector spring (3) pushing tow float plate (2) can float over the top of moving platen (1); The oil cylinder seat of oil cylinder (4) is fixed on the lateral surface of float plate (2), the piston rod of oil cylinder (4) connecting slide block (5) be positioned at float plate (2) above, the T shape slide rail sliding gomphosis of slide block (5) is in the T shape chute of float plate (2);
Described cover half (04) is fixedly mounted on the injection machine stationary work-table when using, the cast gate of carrying mould, the part of cover half die cavity (05), and cover half die cavity (05) is provided with the steel of the matrix face that the convex face with goods (03) matches below being and inserts; The position of cover half die cavity (05) is corresponding up and down with the position of described dynamic mould core (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110048756 CN102139524B (en) | 2011-02-19 | 2011-02-19 | Injection mould for automobile fuel tank fuel filler cap |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110048756 CN102139524B (en) | 2011-02-19 | 2011-02-19 | Injection mould for automobile fuel tank fuel filler cap |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102139524A true CN102139524A (en) | 2011-08-03 |
| CN102139524B CN102139524B (en) | 2013-04-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110048756 Expired - Fee Related CN102139524B (en) | 2011-02-19 | 2011-02-19 | Injection mould for automobile fuel tank fuel filler cap |
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| CN (1) | CN102139524B (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102357995A (en) * | 2011-11-10 | 2012-02-22 | 珀尔曼机电(昆山)有限公司 | Ejection mechanism for injection mold |
| CN102728809A (en) * | 2012-07-05 | 2012-10-17 | 韶关市大善食品设备有限公司 | Meat grinding mechanism body and method for manufacturing same |
| CN103063485A (en) * | 2011-10-19 | 2013-04-24 | 中国石油化工股份有限公司 | Molding cup for rock sample treatment and determination method of rock sample volume |
| CN104476804A (en) * | 2014-12-07 | 2015-04-01 | 陈进 | Detachable moving die mold |
| CN106111942A (en) * | 2016-08-18 | 2016-11-16 | 宁波吉烨汽配模具有限公司 | A kind of inner core pulling compression mod mould for producing automobile crane tank shell |
| CN107570678A (en) * | 2017-08-29 | 2018-01-12 | 宁波吉烨汽配模具有限公司 | The slide block device that pin is first extracted out during a kind of die sinking |
| CN109719905A (en) * | 2019-03-11 | 2019-05-07 | 厦门市松竹精密科技有限公司 | A kind of injection mold twists tooth device automatically |
| CN110331559A (en) * | 2019-06-28 | 2019-10-15 | 无锡小天鹅电器有限公司 | Display device and device for clothing processing, processing mold |
| CN111036839A (en) * | 2019-12-31 | 2020-04-21 | 无锡市铭腾模具科技有限公司 | Sand core forming die convenient for demoulding |
| CN112549437A (en) * | 2019-09-10 | 2021-03-26 | 深圳兴精科塑胶模具有限公司 | Injection molding mold for oiling mask of oil tank |
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Cited By (16)
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| CN103063485A (en) * | 2011-10-19 | 2013-04-24 | 中国石油化工股份有限公司 | Molding cup for rock sample treatment and determination method of rock sample volume |
| CN103063485B (en) * | 2011-10-19 | 2015-08-26 | 中国石油化工股份有限公司 | A kind of rock sample process forming cup and rock sample cubage measuring method |
| CN102357995A (en) * | 2011-11-10 | 2012-02-22 | 珀尔曼机电(昆山)有限公司 | Ejection mechanism for injection mold |
| CN102728809A (en) * | 2012-07-05 | 2012-10-17 | 韶关市大善食品设备有限公司 | Meat grinding mechanism body and method for manufacturing same |
| CN102728809B (en) * | 2012-07-05 | 2014-07-23 | 韶关市大善食品设备有限公司 | Meat grinding mechanism body and method for manufacturing same |
| CN104476804A (en) * | 2014-12-07 | 2015-04-01 | 陈进 | Detachable moving die mold |
| CN106111942B (en) * | 2016-08-18 | 2018-05-29 | 宁波吉烨汽配模具有限公司 | A kind of inner core pulling compression mod mold for being used to produce automobile crane tank shell |
| CN106111942A (en) * | 2016-08-18 | 2016-11-16 | 宁波吉烨汽配模具有限公司 | A kind of inner core pulling compression mod mould for producing automobile crane tank shell |
| CN107570678A (en) * | 2017-08-29 | 2018-01-12 | 宁波吉烨汽配模具有限公司 | The slide block device that pin is first extracted out during a kind of die sinking |
| CN107570678B (en) * | 2017-08-29 | 2023-08-15 | 宁波吉烨汽配模具有限公司 | Sliding block device with pins firstly pulled out during die opening |
| CN109719905A (en) * | 2019-03-11 | 2019-05-07 | 厦门市松竹精密科技有限公司 | A kind of injection mold twists tooth device automatically |
| CN110331559A (en) * | 2019-06-28 | 2019-10-15 | 无锡小天鹅电器有限公司 | Display device and device for clothing processing, processing mold |
| CN112549437A (en) * | 2019-09-10 | 2021-03-26 | 深圳兴精科塑胶模具有限公司 | Injection molding mold for oiling mask of oil tank |
| CN112549437B (en) * | 2019-09-10 | 2022-10-04 | 深圳兴精科塑胶模具有限公司 | Injection molding die for refueling mask of oil tank |
| CN111036839A (en) * | 2019-12-31 | 2020-04-21 | 无锡市铭腾模具科技有限公司 | Sand core forming die convenient for demoulding |
| CN111036839B (en) * | 2019-12-31 | 2021-03-23 | 无锡市铭腾模具科技有限公司 | Sand core forming die convenient for demoulding |
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| CN102139524B (en) | 2013-04-17 |
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