CN201432080Y - Casting device - Google Patents
Casting device Download PDFInfo
- Publication number
- CN201432080Y CN201432080Y CN2009201652933U CN200920165293U CN201432080Y CN 201432080 Y CN201432080 Y CN 201432080Y CN 2009201652933 U CN2009201652933 U CN 2009201652933U CN 200920165293 U CN200920165293 U CN 200920165293U CN 201432080 Y CN201432080 Y CN 201432080Y
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- clamping plate
- casting mold
- casting
- casting device
- die joint
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Abstract
The utility model discloses a casting device which comprises a casting mould and a fastening frame clamping the casting mould, wherein the casting mould is divided into at least two parts by a partingsurface which is provided with an air vent; the fastening frame comprises a first clamping plate and a second clamping plate nearly parallel to the parting surface, a fastening bolt connected with the first clamping plate and the second clamping plate, and a bottom plate nearly vertical to the first clamping plate; the second clamping plate can move relative to the bottom plate; and the parting surface is arranged nearly along the vertical direction. The casting device leads to small discharge resistance of the air generated by cores in the cast production process, remarkably reduces the blowhole defect of the cast, and obviously improves the qualification rate of the cast.
Description
Technical field
The utility model relates to machinery manufacturing technology field, particularly relates to a kind of casting device.
Background technology
Along with the high speed development of China's economic construction, market is more and more to the demand of vehicle industry, requires also more and more higher.
More intricate casting is arranged in the vehicle industry, and more fuse is contained in the casting mold inside of this intricate casting, and each fuse is bonding and fixing more convenient stable.In the prior art, adopt the casting on flat process program to produce this class intricate casting more.
Please refer to Fig. 1, Fig. 1 is the structural representation of a kind of typical casting device in the prior art.
Casting mold 1 is divided into upper and lower two parts, and air discharge duct 12 is distributed in horizontal parting face 13 places, fuse major part horizontal positioned all in the inner chamber of casting mold 1, support and fixedly the core print of fuse mostly be in mid portion.During casting pouring, earlier molten iron is injected inner chamber, molten iron is moved on progressively be full of the casting mold inner chamber by cast gate 14; Molten iron cools off the suitable degree that is retracted in casting mold 1, continues to add molten iron from rising head 15 and strengthens feeding, the volume deficiency that causes to replenish body contraction in the foundry goods condensation process.
Fuse can produce a large amount of gases and upwards flows in the casting pouring condensation process, and focuses on the top of top foundry goods, flows out casting molds 1 through top rising head 15.Because a large amount of gases that produce in the inner chamber of casting mold 1 concentrate on the foundry goods top, and air discharge duct 12 and die joint 13 are in the centre position of casting mold 1, molten iron be full of casting mold 1 to rising head 15 in the near future, along with molten iron temperature descends gradually, molten iron becomes sticky thick (to solidifying), gas enters the molten iron internal resistance and strengthens gradually, and the rising head 15 of casting mold 1 top will be lost scavenging action gradually.
The inner chamber of casting mold 1 and fuse continue to generate more gas under the high temperature liquid iron effect, these gases are closed in the top of die joint 13, cause that the gas pressure in the casting mold 1 increases, and gas is discharged resistance and increased, portion gas pierces and is difficult in the molten iron getting rid of, thereby causes foundry goods gas hole defect to occur.
Please refer to Fig. 2, Fig. 2 is the structural representation of a kind of typical fastening frame in the prior art.
Because casting mold 1 is a up-down structure, is mated the fastening frame 2 that uses and also is up-down structure.Clamp the upper surface and the lower surface of casting mold 1 respectively by first clamping plate 21 and second clamping plate 22, and first clamping plate 21 and second clamping plate 22 are clamped, make the top and the bottom of casting mold 1 fastening, to guarantee the quality of foundry goods with fastening bolt 23.
In order to guarantee that casting mold 1 can smooth and easy exhaust, first clamping plate 21 of fastening frame 2 have two steam vents measure-alike with cast gate 14 and rising head 15; Simultaneously, better for the venting quality that makes casting mold 1, first clamping plate 21 also are provided with equally distributed steam vent.
But, because the gas that generates in the foundry goods condensation process upwards flows all the time, first clamping plate 21 still can increase exhaust resistance, the gas pressure of casting mold 1 inner chamber is increased, part pierces the molten iron gas inside and is difficult to discharge foundry goods, thereby there is gas hole defect in the foundry goods that causes generating, influences the quality of foundry goods.
How reducing the discharge resistance of gas, reduce gas hole defect, improve the quality of foundry goods, is the present technical issues that need to address of those skilled in the art.
The utility model content
The purpose of this utility model provides a kind of casting device, utilizes this casting device gas that fuse generates in the process of producing foundry goods discharge resistance little, significantly reduces the gas hole defect of foundry goods, obviously improves the qualification rate of foundry goods.
For solving the problems of the technologies described above, the utility model provides a kind of casting device, comprises that described casting mold is divided into two parts at least by die joint, and described die joint place is provided with air discharge duct by the fastening frame of casting mold and the described casting mold of clamping; Described fastening frame comprises first clamping plate and second clamping plate parallel substantially with described die joint, and the fastening bolt that connects described first clamping plate and second clamping plate, described fastening frame also comprises and the vertical substantially base plate of described first clamping plate, described second clamping plate can described relatively base plate activity, and described die joint is generally along the vertical direction setting.
Preferably, described base plate is fixedlyed connected with described first clamping plate.
Preferably, the outside of described first clamping plate is provided with at least one floor, and this floor and described base plate are all vertical substantially with described first clamping plate and fixedly connected.
Preferably, described base plate has steam vent.
Preferably, described first clamping plate and described second clamping plate all have steam vent.
Preferably, the bottom of described casting mold has " V " type groove that Open Side Down, should " V " type groove is the plane of symmetry and forward and backwardly runs through described casting mold with described die joint.
Preferably, described first clamping plate and described second clamping plate all have the binding groove that holds described fastening bolt, and this binding groove runs through described first clamping plate or described second clamping plate along thickness direction, and its notch is positioned at the edge of described first clamping plate or second clamping plate.
Preferably, described binding groove comprises arc sections and is positioned at the straight section at the edge of described first clamping plate or described second clamping plate that the bottom of described straight section is higher than the bottom of described arc sections.
Preferably, described straight section comprises epimere and hypomere, and described hypomere is connected with described arc sections.
Preferably, the number of described fastening bolt is four, two front sides of being located at described casting mold wherein, and two other is located at the rear side of described casting mold.
Because die joint is in vertical direction, fuse also many places is provided with air discharge duct in vertical orientations around the casting mold die joint.Behind the casting pouring, casting mold and fuse produce a large amount of gases and upwards flow, and a large amount of gases that the casting mold inner chamber produces are by discharging in die joint, air discharge duct and the rising head, airflow smooth, and the resistance that gas is subjected to when flowing out is less, helps gas and discharges.Simultaneously, because die joint is made as vertical direction, described first clamping plate are all parallel substantially with die joint with described second clamping plate, so described first clamping plate and described second clamping plate clamp described casting mold respectively from the left and right sides.Like this, does not block at the top of casting mold, when casting mold and fuse produce a large amount of gases and upwards flow, can effectively reduce the gas flow resistance, improves exhaust efficiency.Like this, the gas flow resistance that generates in the casting mold is little, and its chamber pressure is less, and gas is difficult for piercing in the molten iron, has reduced the possibility of foundry goods generation gas hole defect greatly, has significantly improved casting quality.
A kind of preferred embodiment in, described first clamping plate and described second clamping plate all have steam vent.When molten iron be full of casting mold to rising head in the near future, the square riser exhaust capacity is lost gradually on the casting mold, and the casting mold inner chamber continues to produce more gas under the high temperature liquid iron effect, because all have the steam vent of auxiliary exhaust on first clamping plate and second clamping plate, gas can be discharged from the steam vent on first clamping plate and second clamping plate.Resistance when reducing the gas outflow, gas is difficult for piercing in the molten iron, thereby reduces the possibility that foundry goods produces gas hole defect, further improves casting quality.
In another preferred embodiment, described first clamping plate and described second clamping plate all have the binding groove that holds described fastening bolt, this binding groove runs through described first clamping plate or second clamping plate along thickness direction, and its notch is located at the edge of described first clamping plate or second clamping plate.In casting mold clamping or unloading process, need dismounting fastening bolt continually, when binding groove was positioned at the notch of first clamping plate or the second clamping plate outer rim, fastening bolt can be by the notch described binding groove of directly packing into.During the dismounting fastening bolt, the nut that is used with fastening bolt can take off from fastening bolt fully, as long as can unclamp second clamping plate; Equally, when the assembling fastening frame, also can reduce workload.Thereby can simplify the dismounting operation, increase work efficiency.
Description of drawings
Fig. 1 is the structural representation of a kind of typical casting device in the prior art;
Fig. 2 is the structural representation of a kind of typical fastening frame in the prior art;
Fig. 3 provides the structural representation of a kind of specific embodiment of casting device for the utility model;
Fig. 4 provides the structural representation of a kind of specific embodiment of fastening frame for the utility model;
Fig. 5 provides the structural representation of a kind of specific embodiment of casting mold for the utility model;
Fig. 6 provides the structural representation of a kind of specific embodiment of binding groove for the utility model;
Fig. 7 by the utility model institute the structural representation of the another kind of specific embodiment of binding groove is provided.
The specific embodiment
Core of the present utility model provides a kind of casting device, utilizes this casting device gas that fuse generates in producing foundry goods process discharge resistance little, significantly reduces the gas hole defect of foundry goods, obviously improves the qualification rate of foundry goods.
In order to make those skilled in the art person understand the utility model scheme better, the utility model is described in further detail below in conjunction with the drawings and specific embodiments.
Please refer to Fig. 3 and Fig. 4, Fig. 3 provides the structural representation of a kind of specific embodiment of casting device for the utility model; Fig. 4 provides the structural representation of a kind of specific embodiment of fastening frame for the utility model.
In the casting device that the utility model provides, the die joint 31 of casting mold 3 is generally along the vertical direction setting, and the air discharge duct 32 around the die joint 31 is also generally along the vertical direction setting, and the fuse major part is all vertically placed in the inner chamber of casting mold 3.First clamping plate 41 of fastening frame 4 and second clamping plate 42 clamp from and arranged on left and right sides casting mold 3 respectively by fastening bolt 43 to die joint 31, the each several part of casting mold 3 closely is close together, so that molten iron can form qualified casting in casting mold 3.
During casting pouring, earlier molten iron is injected the inner chamber of casting mold 3, make molten iron progressively be full of inner chamber by cast gate 33; Molten iron cools off the suitable degree that is retracted in casting mold 3, continues to add molten iron from rising head 34 and strengthens feeding, the volume deficiency that causes to replenish body contraction in the foundry goods condensation process.
Foundry goods fuse in the cast condensation process can produce a large amount of gases and upwards flow, and focus on the top foundry goods the top, because die joint 31 and air discharge duct 32 are above the casting mold vertical centre and all around, the gas that produces is discharged from die joint 31, air discharge duct 32 and rising head 34 swimmingly, airflow smooth, the resistance that gas is subjected to when flowing out is less, helps gas and in time discharges.
Simultaneously, because die joint 31 is made as vertical direction, first clamping plate 41 are all parallel substantially with die joint 31 with second clamping plate 42, so first clamping plate 41 and second clamping plate 42 clamp casting mold 3 from and arranged on left and right sides respectively.Like this, does not block at the top of casting mold 3, produces a large amount of gases and make progress when flowing when casting mold 3 contacts with high temperature liquid iron with fuse, can not increase flow resistance at the top of casting mold 3, thereby improve exhaust efficiency.
Fastening frame 4 also has base plate 44, and first clamping plate 41 are vertical substantially with base plate 44.Because die joint 31 is roughly vertical direction, first clamping plate 41 are parallel with die joint 31 substantially with second clamping plate 42, so base plate 44 is roughly horizontal direction, die joint 31, first clamping plate 41 and second clamping plate 42 are roughly vertical direction.
Like this, the gas flow resistance that generates in the casting mold 3 is little, and its chamber pressure is less, and gas is difficult for piercing in the molten iron, has reduced the possibility of foundry goods generation gas hole defect greatly, has significantly improved casting quality.
It is to be noted, direction when horizontal direction mentioned above and vertical direction refer to all that casting mold 3 is in the state of horizontal positioned, promptly when casting mold 3 horizontal positioned, the base plate 44 of fastening frame 4 is horizontal, and die joint 31, first clamping plate 41 and second clamping plate 42 all are in vertical position.In the actual production process, may there be not necessarily horizontal state in casting mold 3 and fastening frame 4, and the state of its actual placement should not be subjected to the restriction of this specification.
In addition, left and right side as herein described means when casting device is in position shown in Fig. 3 and Fig. 4, second clamping plate 42 and first clamping plate, 41 residing positions are the left and right side of casting mold 3, are respectively the forward and backward side of casting mold 3 with in addition two faces of the corresponding casting mold 3 of described left and right side.
Casting mold shown in the figure 3 is divided into two parts, and in actual production, different foundry goods needs different casting molds, and casting mold 3 can be divided into two parts by a die joint 31, also can be divided into three parts by two die joints 31, and the like; The quantity of the die joint 31 of casting mold 3 is different, and casting mold 3 just is divided into many parts of varying number.As long as die joint 31 is vertically to be provided with, all without prejudice to basic thought of the present utility model, all should be within protection domain of the present utility model.
In a kind of concrete embodiment, first clamping plate 41 are fixedlyed connected with base plate 44, like this, casting mold 3 are put on the base plate 44 and during near first clamping plate 41, can be substantially the fixing position of casting mold 3; Then, second clamping plate 42 are close to first clamping plate 41 by fastening bolt 43, clamp casting mold 3 from both sides, guarantee casting quality.
In the process of molten iron cast, a large amount of gas flows out through die joint 31, air discharge duct 32.Gas flow resistance smooth and easy more, that be subjected to is more little, is not easy to form pore in the foundry goods more, helps improving casting quality more.But when die joint 31 vertically was provided with, its a part of die joint 31 was positioned at the bottom of casting mold 3, contacted with the base plate 44 of fastening frame 4, was unfavorable for that gas discharges from the bottom.
In a kind of concrete embodiment, on first clamping plate 41 and second clamping plate 42 steam vent 45 can be set all.When molten iron is full of casting mold 3 and rising head 34 in the near future, the rising head 34 of casting mold 3 tops is lost exhaust capacity gradually; And casting mold inner chamber and fuse continue to produce more gas under the high temperature liquid iron effect, at this moment, steam vent 45 on first clamping plate 41 and second clamping plate 42 can auxiliary exhaust, resistance when reducing the gas outflow, air pressure in the casting mold inner chamber is reduced, gas is difficult for entering in the molten iron, thereby reduces the possibility that foundry goods produces gas hole defect, improves casting quality.
Please refer to Fig. 5, Fig. 5 provides the structural representation of a kind of specific embodiment of casting mold for the utility model.
In order further to improve the exhaust capacity of casting mold 3 bottoms, can offer " V " type groove 35 that Open Side Down in the bottom of casting mold 3, should " V " type groove 35 forward and backwardly run through casting mold 3 and be the plane of symmetry with die joint 31.Like this, the notch of " V " type groove 35 is on the bottom surface of casting mold 3, and on the bottom surface, form the exhaust ditch identical with die joint 31 directions and width is relatively large, and there is certain distance on the top of " V " type groove 35 from base plate 44, can further reduce the downward resistance of discharging of gas of casting mold 3 bottoms like this, improve the exhaust capacity of casting mold 3.
Can do to improve further to above-mentioned casting device.
Particularly, the outside of first clamping plate 41 can be provided with at least one all vertical substantially with first clamping plate 41 with base plate 44 and fixedly connected floor 46 (being shown in Fig. 3 and Fig. 4).43 pairs first clamping plate 41 of fastening bolt and second clamping plate 42 apply fastening force, make second clamping plate 42 to first clamping plate 41 near the time, first clamping plate 41 are subjected to the pressure of fastening bolt 43 to die joint 31 directions, make the junction of first clamping plate 41 and base plate 44 be subjected to bigger stress.In the arranged outside and base plate 44 and all vertical substantially floor 46 of first clamping plate 41 of first clamping plate 41, this floor 46 can effectively increase the intensity of first clamping plate 41 and base plate 44 junctions, makes the performance of fastening frame 4 more stable, and reliability is higher.
Obviously, the outside mentioned above means the outside of the enclosure space that first clamping plate 41 and second clamping plate 42 form, and on the other side is the inboard of placing the enclosure space of casting mold 3.
Be not fine if between first clamping plate 41 and the base plate 44 floor 46 is not set yet, do not influence the function of fastening frame 4; And the number of floor 46 can be one, two, or a plurality of.
In addition, also can increase the intensity at first clamping plate 41 and base plate 44 joint face places by other form, for example can be the reinforcement that all is connected with base plate 44 with first clamping plate 41.Can also utilize the reliability of other structure increase fastening frame 4.
Above-mentioned casting device can be optimized further.
In casting mold clamping or unloading process, need dismounting fastening bolt 43 continually, its dismounting speed can directly influence the production efficiency of foundry goods.In order to improve the dismounting efficient of fastening bolt 43, first clamping plate 41 provided by the utility model and second clamping plate 42 can be equipped with the binding groove 47 that holds fastening bolt 43, this binding groove 47 runs through first clamping plate 41 or second clamping plate 42 along thickness direction, and its notch is positioned at the edge of first clamping plate 41 or second clamping plate 42.
Please refer to Fig. 6, Fig. 6 provides the structural representation of a kind of specific embodiment of binding groove for the utility model.
Because notch is positioned at the edge of first clamping plate 41 or second clamping plate 42, so fastening bolt 43 can be by the notch binding groove 47 of directly packing into.During dismounting fastening bolt 43, the nut that is used with fastening bolt 43 can take off from fastening bolt 43 fully, as long as can unclamp second clamping plate 42; Equally, the workload that also can reduce to install nut when clamping casting mold 3 is saved time.Can significantly simplify the dismounting operation like this, reduce workload, increase work efficiency.
Obviously, if when all having the bolt hole that wears fastening bolt 43 on first clamping plate 41 and second clamping plate 42, also can realize the purpose of this utility model.Just binding groove 47 can make production operation convenient, quick, helps increasing work efficiency.
In a kind of concrete embodiment, binding groove 47 comprises arc sections 472 and is positioned at the straight section 471 at the edge of first clamping plate 41 or second clamping plate 42, and the bottom of straight section 471 is higher than the bottom of arc sections 472.Aborning, fastening bolt 43 is put into from the straight section 471 of binding groove 47 through notch, enters arc sections 472; Because the bottom of arc sections 472 is lower than the bottom of described straight section 471, so fastening bolt 43 will be lower than the level height of straight section 471.Like this, fastening bolt 43 is difficult for coming off from binding groove 47 aborning, helps guaranteeing the security of producing making the casting device reliability higher.
Please refer to Fig. 7, Fig. 7 is the structural representation of the another kind of specific embodiment of binding groove that the utility model provides.
In the concrete embodiment of another kind, the straight section 471 of binding groove 47 comprises epimere and hypomere, and its epimere is positioned at the edge of first clamping plate 41 or second clamping plate 42, and hypomere is connected with arc sections 472, is the skewed slot among Fig. 6, and its notch is higher than the end of skewed slot.Like this, fastening bolt 43 is lower than the notch of binding groove 47 when in running order, more difficultly comes off from binding groove 47, and structure is safer.
Certainly, also can therefrom take out expediently from the binding groove 47 of packing into expediently, just can satisfy the purpose of this utility model as long as can guarantee fastening bolt 43.Binding groove 47 can also have other structure.
In a kind of concrete embodiment, the number of fastening bolt 43 is four, two front sides of being located at casting mold 3 wherein, two rear sides of being located at casting mold 3.Like this, the front side of first clamping plate 41 and second clamping plate 42 and rear side are stressed evenly to reduce local stress, helps improving reliability of structure, improves the service life of fastening frame 4.
Obviously, fastening bolt 43 also can be a plurality of, as long as can act on first clamping plate 41 and second clamping plate 42 equably, makes evenly stressed getting final product of first clamping plate 41 and second clamping plate 42.
More than casting device provided by the utility model is described in detail.Used specific case herein principle of the present utility model and embodiment are set forth, the explanation of above embodiment just is used for helping to understand method of the present utility model and core concept thereof.Should be understood that; for those skilled in the art; under the prerequisite that does not break away from the utility model principle, can also carry out some improvement and modification to the utility model, these improvement and modification also fall in the protection domain of the utility model claim.
Claims (10)
1, a kind of casting device comprises casting mold and the fastening frame that clamps described casting mold, and described casting mold is divided into two parts at least by die joint, and described die joint place is provided with air discharge duct; Described fastening frame comprises first clamping plate and second clamping plate parallel substantially with described die joint, and the fastening bolt that connects described first clamping plate and second clamping plate, it is characterized in that, described fastening frame also comprises and the vertical substantially base plate of described first clamping plate, described second clamping plate can described relatively base plate activity, and described die joint is generally along the vertical direction setting.
2, casting device according to claim 1 is characterized in that, described base plate is fixedlyed connected with described first clamping plate.
3, casting device according to claim 2 is characterized in that, the outside of described first clamping plate is provided with at least one floor, and this floor and described base plate are all vertical substantially with described first clamping plate and fixedly connected.
4, casting device according to claim 3 is characterized in that, described base plate has steam vent.
5, casting device according to claim 4 is characterized in that, described first clamping plate and described second clamping plate all have steam vent.
6, casting device according to claim 5 is characterized in that, the bottom of described casting mold has " V " type groove that Open Side Down, should " V " type groove is the plane of symmetry and forward and backwardly runs through described casting mold with described die joint.
7, casting device according to claim 1, it is characterized in that, described first clamping plate and described second clamping plate all have the binding groove that holds described fastening bolt, this binding groove runs through described first clamping plate or described second clamping plate along thickness direction, and its notch is positioned at the edge of described first clamping plate or second clamping plate.
8, casting device according to claim 7 is characterized in that, described binding groove comprises arc sections and be positioned at the straight section at the edge of described first clamping plate or described second clamping plate that the bottom of described straight section is higher than the bottom of described arc sections.
9, casting device according to claim 8 is characterized in that, described straight section comprises epimere and hypomere, and described hypomere is connected with described arc sections.
10, casting device according to claim 9 is characterized in that, the number of described fastening bolt is four, two front sides of being located at described casting mold wherein, and two other is located at the rear side of described casting mold.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201652933U CN201432080Y (en) | 2009-07-13 | 2009-07-13 | Casting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201652933U CN201432080Y (en) | 2009-07-13 | 2009-07-13 | Casting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201432080Y true CN201432080Y (en) | 2010-03-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201652933U Expired - Fee Related CN201432080Y (en) | 2009-07-13 | 2009-07-13 | Casting device |
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| CN (1) | CN201432080Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102069160A (en) * | 2011-01-31 | 2011-05-25 | 中冶京诚工程技术有限公司 | Ultra-large rectangular ingot blank sloping casting combined manufacturing device and method |
| CN102877233A (en) * | 2012-09-27 | 2013-01-16 | 上海富山精密机械科技有限公司 | Casing of sewing machine in inblock casting industry, sewing machine and production method of casing of sewing machine in inblock casting industry |
| CN102921920A (en) * | 2012-11-23 | 2013-02-13 | 安吉德康精密铸件有限公司 | Injection molding mold for chain wheel of chain saw |
| CN110125340A (en) * | 2019-06-05 | 2019-08-16 | 国营第六一六厂 | Adjustable vertical-parting casting mold locking device |
-
2009
- 2009-07-13 CN CN2009201652933U patent/CN201432080Y/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102069160A (en) * | 2011-01-31 | 2011-05-25 | 中冶京诚工程技术有限公司 | Ultra-large rectangular ingot blank sloping casting combined manufacturing device and method |
| CN102877233A (en) * | 2012-09-27 | 2013-01-16 | 上海富山精密机械科技有限公司 | Casing of sewing machine in inblock casting industry, sewing machine and production method of casing of sewing machine in inblock casting industry |
| CN102921920A (en) * | 2012-11-23 | 2013-02-13 | 安吉德康精密铸件有限公司 | Injection molding mold for chain wheel of chain saw |
| CN102921920B (en) * | 2012-11-23 | 2014-08-06 | 安吉德康精密铸件有限公司 | Injection molding mold for chain wheel of chain saw |
| CN110125340A (en) * | 2019-06-05 | 2019-08-16 | 国营第六一六厂 | Adjustable vertical-parting casting mold locking device |
| CN110125340B (en) * | 2019-06-05 | 2021-07-20 | 国营第六一六厂 | Adjustable vertical parting casting mould locking device |
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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: 20100331 Termination date: 20140713 |
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| EXPY | Termination of patent right or utility model |