CN112475262A - Large die casting connection structure and casting die thereof - Google Patents
Large die casting connection structure and casting die thereof Download PDFInfo
- Publication number
- CN112475262A CN112475262A CN202011283460.1A CN202011283460A CN112475262A CN 112475262 A CN112475262 A CN 112475262A CN 202011283460 A CN202011283460 A CN 202011283460A CN 112475262 A CN112475262 A CN 112475262A
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- casting
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D17/00—Pressure die casting or injection die casting, i.e. casting in which the metal is forced into a mould under high pressure
- B22D17/20—Accessories: Details
- B22D17/22—Dies; Die plates; Die supports; Cooling equipment for dies; Accessories for loosening and ejecting castings from dies
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D17/00—Pressure die casting or injection die casting, i.e. casting in which the metal is forced into a mould under high pressure
- B22D17/20—Accessories: Details
- B22D17/2015—Means for forcing the molten metal into the die
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- Mechanical Engineering (AREA)
- Molds, Cores, And Manufacturing Methods Thereof (AREA)
Abstract
The invention discloses a large die casting connecting structure and a casting die thereof. This large-scale die casting connection structure and casting die utensil thereof, the meshing of accessible gear and rack is connected, and the clearance fit of slide bar and spout, make the feeder hopper can be along holding in the palm the unloading of groove reciprocating sliding, and the equidistance through the injection tube sets up, make even full cloth in the die-casting intracavity of pouring liquid can be made when the ejector pin extrudees the pouring liquid, and then promote the casting homogeneity, make the die-casting quality better, the clearance fit of accessible ejector pin and slot, and the corresponding setting of gyro wheel and kicking block, make the movable mould drive the ejector pin when sliding back and slide right side and slide the ejecting die-casting chamber of die-casting, and then promote drawing of patterns efficiency greatly, make things convenient for follow-up repetitious usage, through the setting of kicking block right side dovetail groove, can restrict the transverse movement orbit of gyro wheel when contacting with the gyro wheel, and.
Description
Technical Field
The invention relates to the technical field of large die casting connecting structures and casting molds thereof, in particular to a large die casting connecting structure and a casting mold thereof.
Background
In the casting process of the large die casting, as the external dimension of the large die casting is up to more than 1 meter, if the die-casting device is calculated according to the die locking force, more than 6000 tons of die-casting equipment are needed to perform normal die-casting operation. At present, no large die casting equipment is available at home and abroad. In addition, the flow distance of molten aluminum is too long due to the oversize of the product, and the molten aluminum at the far end is not yet flowed to the target position and may be solidified, so that the formability of the product is poor, and the function and the appearance of the product are affected. The existing solutions are many, for example, an aluminum water pouring gate and a pouring position are increased, and simultaneous pouring is performed through a plurality of pouring channels, so that the condition that the whole cavity is filled with aluminum water before solidification is met, the mold manufacturing cost is higher, the pouring difficulty is relatively large, the die-casting cavity surface is large, and the defective product rate or the rejection rate is relatively increased.
Large-scale die casting connection structure and casting die utensil among the prior art are when using, the unable even full cloth in the die-casting intracavity of casting liquid, and then reduce the casting homogeneity, influence the quality of die casting, and can not lead to the movement track of movable mould, and then make the lock of movable mould and cover half not accurate enough, further influence the die-casting effect, the drawing of patterns of die casting is inefficient simultaneously, inconvenient follow-up repetitious usage, and poor stability when ejecting ejector pin slides, and then inconvenient people use.
Disclosure of Invention
The invention aims to provide a large die casting connecting structure and a casting die thereof, and aims to solve the problems that in the prior art, when the large die casting connecting structure and the casting die thereof are used, casting liquid cannot be uniformly and fully distributed in a die casting cavity, so that the casting uniformity is reduced, the quality of die castings is influenced, the movement track of a movable die cannot be guided, the buckling of the movable die and a fixed die is not accurate enough, and the die casting effect is further influenced.
In order to achieve the purpose, the invention provides the following technical scheme: a large die casting connecting structure and a casting mould thereof comprise a bottom plate, wherein a first cylinder is arranged at the right end of the bottom plate, the left end of the first cylinder is fixedly connected with the right end of the bottom plate, the telescopic end of the first cylinder is provided with a movable die, the left end of the movable die is fixedly connected with the telescopic end of the first air cylinder, the right end of the movable die is buckled with the fixed die, the right end of the fixed die is provided with a plurality of injection pipes, the outer walls of the injection pipes penetrate through the lower part of the fixed die and are communicated with the die-casting cavities of the fixed die and the movable die, a top plug is arranged in the injection pipe, the outer wall of the top plug is in interference fit with the inner wall of the injection pipe, the right side of the top plug is provided with a second cylinder, the telescopic end of the second cylinder is fixedly connected with the right end of the top plug, a top plate is arranged on the right side of the second cylinder, the lower part of the left end of the top plate is fixedly connected with the right end of the second cylinder, and a casting assembly is arranged on the right side of the fixed die;
the casting component comprises a vertical pipe, a bracket, a feed hopper, a support plate, a motor, a gear, a rack, a chute and a slide bar;
the bottom of the vertical pipe is communicated with the top of the injection pipe, a support groove is arranged above the vertical pipe, the bottom of the support groove is communicated with the top of the vertical pipe, the left end of the support groove is fixedly connected with the right end of the fixed die, a feed hopper is arranged at the top of the support groove, the tail end of a bottom branch pipe of the feed hopper is in clearance fit with a bottom opening of the support groove, a motor is arranged at the left side of the outer wall of the bottom branch pipe of the feed hopper, a fixing frame of the motor is fixedly connected with the outer wall of the bottom branch pipe of the feed hopper, a gear is fixedly connected with the output end of the motor, a rack is arranged below the gear, the top of the rack is in meshing connection with the bottom of the gear, a support plate is arranged at the bottom of the rack, the top of the support plate is fixedly connected with the bottom of the, the right end of the slide bar is fixedly connected with a bottom branch pipe of the feed hopper.
Preferably, the sliding rod and the sliding groove form a sliding structure, and a plurality of pulleys are installed at the left end of the sliding rod.
Preferably, the injection pipes are arranged at equal intervals.
Preferably, the upper parts of the inner ends of the movable mold and the fixed mold are fixedly connected through a telescopic rod.
Preferably, an ejection assembly is arranged inside the movable die;
the ejection assembly comprises an ejector rod, a slot, a cross rod, a vertical plate, a clamping plate, a spring, a roller and an ejector block;
the outer wall of ejector pin passes through the inside clearance fit of slot and movable mould, the left end of ejector pin has been connected with the horizontal pole admittedly, the outer wall of horizontal pole and the inside left side clearance fit of movable mould, the outer wall clearance fit of horizontal pole has the riser, the both ends of riser respectively with the telescopic link fixed connection of the first cylinder of upper and lower both sides, the outer wall rigid coupling of horizontal pole has two cardboards, the spring has been cup jointed to the outer wall of horizontal pole, the both ends of spring respectively with the right-hand member of left cardboard and the left end fixed connection of riser, left the gyro wheel is installed to the left end of cardboard, the left side of gyro wheel is equipped with the kicking block, the left end of kicking block and the right-.
Preferably, the ejector block is arranged corresponding to the roller, and a trapezoidal groove is processed at the right end of the ejector block.
Compared with the prior art, the invention has the beneficial effects that: this large-scale die casting connection structure and casting die utensil thereof, through the bottom plate, first cylinder, the movable mould, the cover half, the ascending pipe, the top stopper, the second cylinder, the roof, the cooperation of telescopic link and casting subassembly, make the device when using, the meshing of accessible gear and rack is connected, and the clearance fit of slide bar and spout, make the feeder hopper can be along holding in the palm the reciprocal unloading that slides of groove, and the equidistance through the ascending pipe sets up, can make casting liquid evenly full cloth in the die-casting intracavity when making the top stopper extrusion casting liquid, and then promote the casting homogeneity, make the die-casting quality better.
Through the cooperation of bottom plate, first cylinder, movable mould, cover half, injection pipe, top plug, second cylinder, roof, telescopic link and casting subassembly for the device can lead to the movement track of movable mould through the both ends of telescopic link and the fixed connection of movable mould and cover half when using, and then makes the lock of movable mould and cover half more accurate, further promotes the die-casting effect.
Through the cooperation of bottom plate, first cylinder, movable mould, cover half, injection pipe, ejector plug, second cylinder, roof, telescopic link and ejecting subassembly for the device is when using, the clearance fit of accessible ejector pin and slot to and the gyro wheel sets up with the correspondence of kicking block, can drive the ejector pin when making the movable mould return and slide the ejecting die casting chamber of die casting right side, and then promote drawing of patterns efficiency greatly, make things convenient for follow-up repetitious usage.
Through the cooperation of bottom plate, first cylinder, movable mould, cover half, injection pipe, top stopper, second cylinder, roof, telescopic link and ejecting subassembly for the device when using, through the setting in kicking block right side dovetail groove, can restrict the horizontal movement track of gyro wheel when contacting with the gyro wheel, and then promote the stability when the ejector pin slides greatly, and then make things convenient for people to use.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of the base plate, the first cylinder and the movable mold shown in FIG. 1;
FIG. 3 is a schematic structural view of the stationary mold, the injection pipe and the top plug of FIG. 1;
FIG. 4 is a schematic structural view of the catch plate, the spring and the roller of FIG. 2;
FIG. 5 is a schematic view of the feed hopper, support plate and motor of FIG. 3;
FIG. 6 is a schematic diagram of the standpipe, injection pipe and top plug of FIG. 3.
In the figure: 1. the device comprises a bottom plate, 2, a first air cylinder, 3, a movable die, 4, a fixed die, 5, an injection pipe, 6, a top plug, 7, a casting component, 701, a vertical pipe, 702, a bracket, 703, a feed hopper, 704, a support plate, 705, a motor, 706, a gear, 707, a rack, 708, a chute, 709, a sliding rod, 8, an ejection component, 801, a push rod, 802, a slot, 803, a cross rod, 804, a vertical plate, 805, a clamping plate, 806, a spring, 807, a roller, 808, a top block, 9, a second air cylinder, 10, a top plate, 11 and a telescopic rod.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-6, the present invention provides a technical solution:
example 1
A large die casting connecting structure and a casting mold thereof comprise a bottom plate 1, wherein a first air cylinder 2 is arranged at the right end of the bottom plate 1, the left end of the first air cylinder 2 is fixedly connected with the right end of the bottom plate 1, a movable mold 3 is arranged at the telescopic end of the first air cylinder 2, the left end of the movable mold 3 is fixedly connected with the telescopic end of the first air cylinder 2, the first air cylinder 2 is used for driving the movable mold 3 to transversely slide, a fixed mold 4 is buckled at the right end of the movable mold 3, the upper parts of the inner ends of the movable mold 3 and the fixed mold 4 are fixedly connected through a telescopic rod 11, the telescopic rod 11 can play a role in guiding the bottom film 3, a plurality of injection pipes 5 are arranged at the right end of the fixed mold 4, the injection pipes 5 are arranged at equal intervals, the injection uniformity can be improved through the design, the outer wall of each injection pipe 5 penetrates through the lower part of the fixed mold 4 and is communicated with a die casting cavity of the movable mold, the outer wall of the top plug 6 is in interference fit with the inner wall of the injection pipe 5, the right side of the top plug 6 is provided with a second cylinder 9, the telescopic end of the second cylinder 9 is fixedly connected with the right end of the top plug 6, the right side of the second cylinder 9 is provided with a top plate 10, and the left end of the top plate 10 is fixedly connected with the right end of the second cylinder 9.
Example 2
As an optional case, referring to fig. 1, 3, 5 and 6, in the large die casting connection structure and the casting mold thereof, a casting component 7 is arranged on the right side of the stationary mold 4, the casting component 7 includes a vertical pipe 701, a bracket 702, a feeding hopper 703, a support plate 704, a motor 705, a gear 706, a rack 707, a chute 708 and a slide bar 709, the bottom of the vertical pipe 701 is communicated with the top of the injection pipe 5, a bracket 702 is arranged above the vertical pipe 701, the bracket 702 is used for containing casting liquid, the bottom of the bracket 702 is communicated with the top of the vertical pipe 701, the left end of the bracket 702 is fixedly connected with the right end of the stationary mold 4, the top of the bracket 702 is provided with the feeding hopper 703, the end of the bottom branch pipe of the feeding hopper 703 is in clearance fit with the bottom opening of the bracket 702, the left side of the outer wall of the bottom branch pipe of the feeding hopper 703 is provided with the motor 705, a gear 706 is fixedly connected to the output end of the motor 705, a rack 707 is arranged below the gear 706, the top of the rack 707 is meshed with the bottom of the gear 706, the gear 706 rotates to drive the feed hopper 703 to slide, a support plate 704 is arranged at the bottom of the rack 707, the top of the support plate 704 is fixedly connected with the bottom of the rack 707, the left end of the support plate 704 is fixedly connected with the right end of the fixed die 4, a sliding groove 708 is processed at the right end of the support plate 704, a sliding rod 709 is in clearance fit with the inner wall of the sliding groove 708, the sliding rod 709 and the sliding groove 708 form a sliding structure, a plurality of pulleys are mounted at the left end of the sliding rod 709, the sliding smoothness of the sliding rod 709 and the sliding groove 708 can be greatly;
the scheme in this embodiment can be selectively combined with the scheme in other embodiments.
Example 3
As an optional situation, referring to fig. 1, 2 and 4, a large die casting connection structure and a casting mold thereof, an ejection assembly 8 is arranged inside a movable mold 3, the ejection assembly 8 comprises an ejector rod 801, a slot 802, a cross rod 803, a vertical plate 804, snap plates 805, a spring 806, a roller 807 and an ejector block 808, the outer wall of the ejector rod 801 is in clearance fit with the inside of the movable mold 3 through the slot 802, the slot 802 is matched with the ejector rod 801 in shape, the left end of the ejector rod 801 is fixedly connected with the cross rod 803, the outer wall of the cross rod 803 is in clearance fit with the left side of the inside of the movable mold 3, the vertical plate 804 is in clearance fit with the outer wall of the cross rod 803, two ends of the vertical plate 804 are respectively and fixedly connected with telescopic rods of first air cylinders 2 on the upper side and the lower side, the outer wall of the cross rod 803 is fixedly connected with two snap plates 805, the snap plates 805 on the right, two ends of a spring 806 are fixedly connected with the right end of the clamping plate 805 on the left side and the left end of the vertical plate 804 respectively, the spring 806 gives a leftward force to the cross rod 803, the left end of the clamping plate 805 on the left side is provided with a roller 807, the left side of the roller 807 is provided with a top block 808, the top block 808 and the roller 807 are arranged correspondingly, and the right end of the top block 807 is processed with a trapezoidal groove, so that the die-cast part can be ejected out after the ejector rod 801 moves for a certain distance along with the movable mold 3, and the left end of the top block 808 is fixedly connected with the right end of;
the scheme in this embodiment can be selectively combined with the scheme in other embodiments.
Example 4
When the large-scale die casting connecting structure and the casting die thereof are used, firstly, the motor 705 is connected with an external power supply, the first air cylinder 2 is controlled to stretch and contract, so that the movable die 3 is tightly buckled with the fixed die 4, at the moment, the casting liquid is injected into the feed hopper 703, the casting liquid can be evenly injected into the injection pipe 5 through the clearance fit of the slide bar 709 and the slide groove 708 and the meshing connection of the gear 706 and the rack 707, the feed hopper 703 can slide and discharge along the bracket 702 in a reciprocating manner, and further, the casting liquid is evenly injected into the bracket 702, through the arrangement of the vertical pipe 701 and the equidistant arrangement of the injection pipe 5, the casting liquid can be evenly injected into the injection pipe 5, through the stretching of the second air cylinder 9, the top plug 6 slides leftwards to extrude the casting liquid into a die casting cavity, so as to greatly improve the casting evenness and the quality of a large-scale die casting piece, meanwhile, make horizontal pole 803 drive ejector pin 801 smooth on the right side, and then make the die casting break away from fast in the die-casting intracavity, promote drawing of patterns efficiency, make things convenient for people to use.
In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.
In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "disposed," "connected," "secured," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; the terms may be directly connected or indirectly connected through an intermediate, and may be communication between two elements or interaction relationship between two elements, unless otherwise specifically limited, and the specific meaning of the terms in the present invention will be understood by those skilled in the art according to specific situations.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a large-scale die casting connection structure and casting die utensil thereof, includes bottom plate (1), its characterized in that: the right-hand member of bottom plate (1) is equipped with first cylinder (2), the left end of first cylinder (2) and the right-hand member fixed connection of bottom plate (1), the flexible end of first cylinder (2) is equipped with movable mould (3), the left end of movable mould (3) and the flexible end fixed connection of first cylinder (2), the right-hand member lock of movable mould (3) has cover half (4), the right-hand member of cover half (4) is equipped with a plurality of injection pipes (5), the outer wall of injection pipe (5) runs through the below of cover half (4) and is linked together with the die-casting chamber of cover half (4) and movable mould (3), the inside of injection pipe (5) is equipped with top plug (6), the outer wall of top plug (6) and the inner wall interference fit of injection pipe (5), the right side of top plug (6) is equipped with second cylinder (9), the flexible end and the right-hand member fixed connection of top plug (6) of second cylinder (9), a top plate (10) is arranged on the right side of the second cylinder (9), the lower part of the left end of the top plate (10) is fixedly connected with the right end of the second cylinder (9), and a casting assembly (7) is arranged on the right side of the fixed die (4);
the casting component (7) comprises a vertical pipe (701), a bracket (702), a feed hopper (703), a support plate (704), a motor (705), a gear (706), a rack (707), a sliding groove (708) and a sliding rod (709);
the bottom of the vertical pipe (701) is communicated with the top of the injection pipe (5), a bracket (702) is arranged above the vertical pipe (701), the bottom of the bracket (702) is communicated with the top of the vertical pipe (701), the left end of the bracket (702) is fixedly connected with the right end of the fixed die (4), a feed hopper (703) is arranged at the top of the bracket (702), the tail end of a bottom branch pipe of the feed hopper (703) is in clearance fit with the bottom opening of the bracket (702), a motor (705) is arranged on the left side of the outer wall of the bottom branch pipe of the feed hopper (703), a fixing frame of the motor (705) is fixedly connected with the outer wall of the bottom branch pipe of the feed hopper (703), a gear (706) is fixedly connected to the output end of the motor (705), a rack (707) is arranged below the gear (706), the top of the rack (707) is engaged with the bottom of the gear (706), and a support plate, the top of the support plate (704) is fixedly connected with the bottom of the rack (707), the left end of the support plate (704) is fixedly connected with the right end of the fixed die (4), a sliding groove (708) is processed at the right end of the support plate (704), a sliding rod (709) is in clearance fit with the inner wall of the sliding groove (708), and the right end of the sliding rod (709) is fixedly connected with a bottom branch pipe of the feed hopper (703).
2. The large die casting connection structure and the casting mold therefor according to claim 1, wherein: the sliding rod (709) and the sliding groove (708) form a sliding structure, and a plurality of pulleys are mounted at the left end of the sliding rod (709).
3. The large die casting connection structure and the casting mold therefor according to claim 1, wherein: the injection pipes (5) are arranged at equal intervals.
4. The large die casting connection structure and the casting mold therefor according to claim 1, wherein: the upper parts of the inner ends of the movable mold (3) and the fixed mold (4) are fixedly connected through a telescopic rod (11).
5. The large die casting connection structure and the casting mold therefor according to claim 1, wherein: an ejection assembly (8) is arranged in the movable die (3);
the ejection assembly (8) comprises an ejector rod (801), a slot (802), a cross rod (803), a vertical plate (804), a clamping plate (805), a spring (806), a roller (807) and an ejector block (808);
the outer wall of the ejector rod (801) is in clearance fit with the inner part of the movable mould (3) through the slot (802), the left end of the ejector rod (801) is fixedly connected with a cross rod (803), the outer wall of the cross rod (803) is in clearance fit with the left side inside the movable mold (3), the outer wall of the cross rod (803) is in clearance fit with a vertical plate (804), two ends of the vertical plate (804) are respectively fixedly connected with the telescopic rods of the first cylinders (2) at the upper side and the lower side, two clamping plates (805) are fixedly connected to the outer wall of the cross rod (803), a spring (806) is sleeved on the outer wall of the cross rod (803), two ends of the spring (806) are respectively fixedly connected with the right end of the clamping plate (805) on the left side and the left end of the vertical plate (804), the left end of the clamping plate (805) on the left side is provided with a roller (807), the left side of gyro wheel (807) is equipped with top piece (808), the left end of top piece (808) and the right-hand member fixed connection of bottom plate (1).
6. The large die casting cast connection structure and the casting mold therefor according to claim 5, wherein: the top block (808) is arranged corresponding to the roller (807), and a trapezoidal groove is processed at the right end of the top block (807).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011283460.1A CN112475262A (en) | 2020-11-17 | 2020-11-17 | Large die casting connection structure and casting die thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011283460.1A CN112475262A (en) | 2020-11-17 | 2020-11-17 | Large die casting connection structure and casting die thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112475262A true CN112475262A (en) | 2021-03-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011283460.1A Withdrawn CN112475262A (en) | 2020-11-17 | 2020-11-17 | Large die casting connection structure and casting die thereof |
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| Country | Link |
|---|---|
| CN (1) | CN112475262A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003019547A (en) * | 2001-07-04 | 2003-01-21 | Denso Corp | Casting method and casting die |
| CN204842906U (en) * | 2015-07-24 | 2015-12-09 | 吉林电子信息职业技术学院 | A die casting die for adapter sleeve |
| CN108637204A (en) * | 2018-07-13 | 2018-10-12 | 安徽思源三轻智能制造有限公司 | A kind of cold-chamber die casting machine |
| CN209520353U (en) * | 2019-01-25 | 2019-10-22 | 源展电子科技（昆山）有限公司 | Monitoring camera aluminum alloy casing one-time-shaped mould |
-
2020
- 2020-11-17 CN CN202011283460.1A patent/CN112475262A/en not_active Withdrawn
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003019547A (en) * | 2001-07-04 | 2003-01-21 | Denso Corp | Casting method and casting die |
| CN204842906U (en) * | 2015-07-24 | 2015-12-09 | 吉林电子信息职业技术学院 | A die casting die for adapter sleeve |
| CN108637204A (en) * | 2018-07-13 | 2018-10-12 | 安徽思源三轻智能制造有限公司 | A kind of cold-chamber die casting machine |
| CN209520353U (en) * | 2019-01-25 | 2019-10-22 | 源展电子科技（昆山）有限公司 | Monitoring camera aluminum alloy casing one-time-shaped mould |
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Application publication date: 20210312 |