CN114309556A - Automatic casting hardening and tempering system - Google Patents
Automatic casting hardening and tempering system Download PDFInfo
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- CN114309556A CN114309556A CN202210141007.XA CN202210141007A CN114309556A CN 114309556 A CN114309556 A CN 114309556A CN 202210141007 A CN202210141007 A CN 202210141007A CN 114309556 A CN114309556 A CN 114309556A
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- 238000005266 casting Methods 0.000 title claims abstract description 104
- 238000005496 tempering Methods 0.000 title claims abstract description 26
- 238000001816 cooling Methods 0.000 claims abstract description 71
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 59
- 238000000034 method Methods 0.000 claims abstract description 13
- 238000000861 blow drying Methods 0.000 claims abstract description 12
- 238000001514 detection method Methods 0.000 claims abstract description 8
- 238000002360 preparation method Methods 0.000 claims abstract description 8
- 238000007664 blowing Methods 0.000 claims abstract description 6
- 239000004576 sand Substances 0.000 claims abstract description 6
- 238000001035 drying Methods 0.000 claims abstract description 5
- 238000012546 transfer Methods 0.000 claims abstract description 4
- 238000001125 extrusion Methods 0.000 claims description 45
- 230000003750 conditioning effect Effects 0.000 claims description 8
- 239000000463 material Substances 0.000 abstract description 4
- 238000010791 quenching Methods 0.000 description 6
- 230000000171 quenching effect Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 230000006978 adaptation Effects 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000002123 temporal effect Effects 0.000 description 1
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Abstract
The invention discloses an automatic casting hardening and tempering system, which comprises the steps of water cooling preparation, casting transfer, temperature detection, water cooling and moisture blow-drying system, and specifically comprises the following steps: water cooling preparation: after water is injected into the water pool, the water pool is connected with a cooling tower; transferring the casting: after the casting is finished, after 5min, the casting starts to move to a water pool, and the casting is transferred to a power assembly through a manipulator; and (3) temperature detection: detecting that the temperature of the casting is at least 1100 ℃ before the casting enters the water pool by using an infrared thermometer; water cooling: after all the castings enter the water tank, conveying the castings to the water tank and the water outlet tank for 2min, and removing sand shells on the surfaces of the castings in the process; drying moisture: after the water cooling was accomplished, blown off the moisture on foundry goods surface with the device that weathers, through the water cooling step, with material loading and cooling cadence different, made the cooling fully improve the efficiency of material loading simultaneously to blowing of fan removes to following the foundry goods, makes the efficiency that weathers improve, saves the resource simultaneously.
Description
Technical Field
The invention relates to the technical field of casting equipment, in particular to an automatic casting hardening and tempering system.
Background
At present, the social development castings are more and more widely applied, some mechanical components not only need higher strength but also have higher toughness, so the castings need to be subjected to quenching and tempering treatment, specifically, the castings are kept for a certain time at a certain temperature so as to achieve the purpose of taking the carbon content as the target content, and meanwhile, the quenching and tempering work of the castings needs to be carried out in a high-temperature environment during work, so the quenching and tempering work of the castings is more and more automated along with the continuous development of science and technology, the work efficiency is improved, and a work environment with fewer potential safety hazards is provided for workers.
In the quenching and tempering work of present foundry goods, although it is automatic general, the step of cooling and material loading is unanimous, lead to the cooling time though abundant but the inefficiency of material loading, simultaneously after the water cooling is accomplished, carry out the foundry goods through the fan and weather, but blowing of fan is certain, can't follow the foundry goods and remove, lead to the inefficiency that weathers, the resource-wasting simultaneously, in addition, the foundry goods passes through natural cooling, lead to cooling rate slow, the cost is higher, and detach the sand shell on foundry goods surface under drying environment and can produce a large amount of dust, in addition, the foundry goods hardness of natural cooling production is high, be not convenient for processing.
Disclosure of Invention
The invention aims to provide an automatic casting hardening and tempering system to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: an automatic casting hardening and tempering method comprises the steps of water cooling preparation, casting transfer, temperature detection, water cooling and moisture blow-drying system, and specifically comprises the following steps:
s1, water cooling preparation: after water is injected into the water pool, the water pool is connected with a cooling tower;
s2, transferring the casting: after the casting is finished, after 5min, the casting starts to move to a water pool, and the casting is transferred to a power assembly through a manipulator;
s3, temperature detection: detecting that the temperature of the casting is at least 1100 ℃ before the casting enters the water pool by using an infrared thermometer;
s4, water cooling: after all the castings enter the water tank, conveying the castings to the water tank and the water outlet tank for 2min, and removing sand shells on the surfaces of the castings in the process;
s5, drying moisture: and after the water cooling is finished, blowing off the moisture on the surface of the casting by using a blow-drying device.
Alternatively, only one furnace casting can be transported at a time in step S2.
The embodiment also provides an automatic casting hardening and tempering system, is applied to foretell method of automatic casting hardening and tempering, including the cooling bath, the bottom of cooling bath is provided with the workstation, the surface of workstation is provided with the power component who is used for the foundry goods to remove, the surface of power component is provided with cooling bath swing joint's extrusion subassembly, the surface of workstation be provided with extrusion subassembly swing joint's the device that weathers.
Optionally, the power assembly comprises a first motor box, a first rail connected with the workbench is arranged on one side of the first motor box, and a second rail movably connected with the extrusion assembly is arranged on the surface of the workbench.
Optionally, the inside activity of first track is provided with the conveyer belt of big or small adaptation, the surface of conveyer belt is provided with the teeth of a cogwheel, the output of first motor case is provided with the gear of being connected with the meshing of the teeth of a cogwheel.
Optionally, the extrusion subassembly includes two movable plates, one of them the movable plate activity is in orbital inside of second, another the movable plate is connected with the conveyer belt, the surface of movable plate is provided with the fixed plate, one side activity of fixed plate is provided with the movable block, the top activity of movable block is provided with the fixed slot of being connected with the fixed plate.
Optionally, one side of movable block is provided with the anchor clamps that are used for the centre gripping foundry goods, one side of fixed plate is provided with the movable groove that is used for the movable block activity, the top of movable block be provided with fixed slot swing joint's bulge piece, the inner wall and the bulge piece laminating of fixed slot set up, and the inside of fixed slot is provided with the spring of being connected with the bulge piece.
Optionally, one side of cooling bath is provided with the stripper plate of length adaptation, the cross section of stripper plate is L shape, one side of stripper plate is provided with the V-arrangement groove, one side swing joint of V-arrangement groove and movable block, movable block and one side of V-arrangement groove extrusion are arc.
Optionally, the blow-drying device comprises a fixed rod connected with the workbench, a return spring is arranged inside the fixed rod, a movable rod connected with the return spring is movably arranged at one end of the fixed rod, a second motor box is arranged at one end of the movable rod, fan blades are arranged at the output end of the second motor box, an extrusion rod movably connected with the movable block is arranged on the surface of the second motor box, and the extrusion rod is arc-shaped with one side of the movable block movably connected.
Optionally, the conveyor belt moves inside the first rail, a chute is arranged inside one section of the first rail and the second rail, and the length of the chute is consistent with that of the cooling pool.
Compared with the prior art, the invention has the beneficial effects that:
1. the gear is driven to rotate by the operation of the first motor box, the gear drives the conveyor belt to move through the gear teeth, the conveyor belt moves inside the first track, the first track drives the movable plate to move, the other end of the movable plate moves inside the second track, the stability of the movable plate during moving can be kept, then the movable plate moves through driving the movable block to move the casting towards the cooling pool, when the movable block drives the casting to move to the inside of the cooling pool, the V-shaped groove arranged on one side of the extrusion plate extrudes the movable block, so that the movable block drives the casting to move towards the inside of the cooling pool, then the conveyor belt just moves to the chute, as the extrusion plate and the movable block extrude, the movable block is movably connected with the fixed plate through the movable groove, at the moment, the casting can be cooled by water, then the movable block moves to the inside of the cooling pool, and then the movable block is movably connected with the extrusion rod, at this moment, the second motor box drives the fan blade of the output end to rotate, the fan blade blows off moisture on the surface of the casting, the extrusion rod drives the movable rod to rotate, the direction of the fan blade can be blown to the casting, when the movable rod moves to a certain position, the movable block and the extrusion rod are cancelled to be movably connected, and the movable rod is restored to the initial position through the return spring.
2. The chute that second track and first track inside set up, under the same time, can make the conveyer belt be less than the conveyer belt at the distance of the inside other positions motion of first track for a short time at the distance of chute motion, can be in the water-cooling, improve work efficiency.
3. The casting can be cooled through the setting of the cooling pool, meanwhile, the cooling pool is connected with the cooling tower, the cooling pool can be continuously cooled through the cooling tower, cooling water can be recycled, the time required by natural cooling is saved, the working efficiency is improved, the cost is reduced, the sand shell of the casting is removed in the cooling pool, a large amount of dust is avoided, and in addition, the casting prepared by the process is low in hardness and easy to process.
Drawings
FIG. 1 is a system flow diagram of an automated casting conditioning system of the present invention;
FIG. 2 is a schematic diagram of the overall structure of an automatic casting hardening and tempering system according to the present invention;
FIG. 3 is a schematic view of a partial structure of a power assembly of an automated casting conditioning system according to the present invention;
FIG. 4 is a schematic diagram of a partial structure of a power assembly of an automated casting conditioning system according to a second aspect of the present disclosure;
FIG. 5 is a schematic view of a partial structure of an extrusion assembly of an automated casting conditioning system according to the present invention;
FIG. 6 is a schematic structural view of a blow-drying device of an automatic casting hardening and tempering system according to the present invention;
FIG. 7 is a schematic diagram of a second partial structure of an extrusion assembly of an automated casting conditioning system according to the present invention;
FIG. 8 is a schematic diagram of an extrusion plate structure of an automated casting conditioning system according to the present invention.
In the figure: 1. a work table; 2. a power assembly; 21. a first motor case; 22. a first track; 23. a second track; 24. a conveyor belt; 25. gear teeth; 26. a gear; 3. an extrusion assembly; 31. moving the plate; 32. a fixing plate; 33. a movable block; 34. fixing grooves; 35. a pressing plate; 36. a movable groove; 37. a clamp; 38. a spring; 4. a cooling pool; 5. a blow-drying device; 51. fixing the rod; 52. a movable rod; 53. a second motor case; 54. a fan blade; 55. the rod is squeezed.
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 to 8, the present invention provides an automatic casting hardening and tempering method, including the steps of water cooling preparation, casting transfer, temperature detection, water cooling, and moisture blowing system, and the specific steps are as follows:
s1, water cooling preparation: after water is injected into the water pool, the water pool is connected with a cooling tower;
s2, transferring the casting: after the casting is finished, after 5min, the casting starts to move to a water pool, and the casting is transferred to a power assembly through a manipulator;
s3, temperature detection: detecting that the temperature of the casting is at least 1100 ℃ before the casting enters the water pool by using an infrared thermometer;
s4, water cooling: after all the castings enter the water tank, conveying the castings to the water tank and the water outlet tank for 2min, and removing sand shells on the surfaces of the castings in the process;
s5, drying moisture: and after the water cooling is finished, blowing off the moisture on the surface of the casting by using a blow-drying device.
In the step S2, only one casting of the furnace can be conveyed at a time, and the casting can be orderly operated, so that the potential safety hazard problem is avoided.
This implementation still provides an automatic foundry goods quenching and tempering system, be applied to foretell method of automatic foundry goods quenching and tempering, as shown in figure 1, as shown in figure 2, including cooling bath 4, the bottom of cooling bath 4 is provided with workstation 1, the surface of workstation 1 is provided with the power component 2 that is used for the foundry goods to remove, the surface of power component 2 is provided with the extrusion subassembly 3 of cooling bath 4 swing joint, the surface of workstation 1 is provided with weathers device 5 with extrusion subassembly 3 swing joint, drive extrusion subassembly 3 through power component 2 and remove, carry out water cooling treatment in the inside of cooling bath 4 through extrusion subassembly 3, then through extrusion subassembly 3 and weathers device 5 swing joint, can make weathers device 5 and blow off the moisture of foundry goods surface amount.
As shown in fig. 3, the power assembly 2 includes a first motor box 21, a first rail 22 connected to the workbench 1 is disposed on one side of the first motor box 21, a second rail 23 movably connected to the extrusion assembly 3 is disposed on the surface of the workbench 1, and the extrusion assembly 3 is driven by the first motor box 21 to be movably connected to the first rail 22 and the second rail 23, so as to maintain the stability of the extrusion assembly 3 during movement.
As shown in fig. 3, 4, and 5, a conveyor belt 24 with a size adapted to the inside of the first track 22 is movably disposed, gear teeth 25 are disposed on the surface of the conveyor belt 24, a gear 26 engaged with the gear teeth 25 is disposed at the output end of the first motor box 21, the gear 26 is driven to rotate by the output end of the first motor box 21, the gear 26 drives the conveyor belt 24 to move by the gear teeth 25, and the conveyor belt 24 can move at the temporal portion of the first track 22.
As shown in fig. 5, the squeezing assembly 3 includes two moving plates 31, one of the moving plates 31 is movably disposed inside the second rail 23, the other moving plate 31 is connected to the conveyor belt 24, a fixed plate 32 is disposed on a surface of the moving plate 31, a movable block 33 is movably disposed on one side of the fixed plate 32, a fixed groove 34 connected to the fixed plate 32 is movably disposed above the movable block 33, the moving plate 31 moves inside the first rail 22 and the second rail 23 to maintain stability of the moving plate 31 during movement, and the fixed plate 32 is movably connected to the movable block 33 to drive the casting to move by the movable block 33.
As shown in fig. 5 and 8, a clamp 37 for clamping a casting is arranged on one side of the movable block 33, a movable groove 36 for moving the movable block 33 is arranged on one side of the fixed plate 32, a protruding block movably connected with the fixed groove 34 is arranged above the movable block 33, the inner wall of the fixed groove 34 is attached to the protruding block, a spring 38 connected with the protruding block is arranged inside the fixed groove 34, and the fixed groove 34 is movably connected with the protruding block, so that when the movable block 33 moves, stability is maintained, and meanwhile, the spring 38 can restore the movable block 33 to the initial position.
As shown in fig. 8, one side of the cooling pool 4 is provided with an extrusion plate 35 with a length adapted to each other, the cross section of the extrusion plate 35 is L-shaped, one side of the extrusion plate 35 is provided with a V-shaped groove, the V-shaped groove is movably connected with one side of the movable block 33, the movable block 33 and the extruded side of the V-shaped groove are arc-shaped, the casting can be extended into the cooling pool 4 through the V-shaped groove, and then the casting is taken out of the cooling pool 4.
As shown in fig. 6, the blow-drying device 5 includes a fixed rod 51 connected to the workbench 1, a return spring is disposed inside the fixed rod 51, a movable rod 52 connected to the return spring is movably disposed at one end of the fixed rod 51, a second motor box 53 is disposed at one end of the movable rod 52, a fan blade 54 is disposed at an output end of the second motor box 53, an extrusion rod 55 movably connected to the movable block 33 is disposed on a surface of the second motor box 53, a side of the extrusion rod 55 movably connected to the movable block 33 is arc-shaped, the movable block 33 is movably connected to the extrusion rod 55, at this time, the second motor box 53 drives the fan blade 54 at the output end to rotate, moisture on the surface of the casting is blown off by the fan blade 54, the extrusion rod 55 drives the movable rod 52 to rotate, the fan blade 54 can be blown to the casting in a certain direction, moisture in a pouring gate can be dried, no explosion occurs during next use, and when the movable rod is moved to a position, the movable block 33 is not movably connected to the pressing rod 55, and the movable rod 52 is restored to the initial position by the return spring.
As shown in fig. 3 and 4, the conveyor belt 24 moves inside the first track 22, wherein a chute is provided inside one of the first track 22 and the second track 23, the length of the chute is consistent with the length of the cooling pool 4, and the conveyor belt 24 can move in the chute in a smaller distance than the conveyor belt 24 moves in other parts inside the first track 22 at the same time.
The working principle is as follows: when the device works, the first motor box 21 works to drive the gear 26 to rotate, the gear 26 drives the conveyor belt 24 to move through the gear teeth 25, the conveyor belt 24 moves inside the first rail 22, the first rail 22 drives the movable plate 31 to move, the other end of the movable plate 31 moves inside the second rail 23, the stability of the movable plate 31 during moving can be kept, then the movable plate 31 moves through driving the movable block 33 to move the casting towards the cooling pool 4, when the movable block 33 drives the casting to move inside the cooling pool 4, the V-shaped groove arranged on one side of the extrusion plate 35 extrudes with the movable block 33, so that the movable block 33 drives the casting to move towards the inside of the cooling pool 4, then the conveyor belt 24 just moves to the chute, and as the extrusion plate 35 extrudes with the movable block 33, the movable block 33 is movably connected with the fixed plate 32 through the movable groove 36, at the moment, the casting can be cooled by water, then the movable block 33 moves to the inside of the cooling pool 4, then the movable block 33 is movably connected with the extrusion rod 55, at the moment, the second motor box 53 drives the fan blade 54 at the output end to rotate, the moisture on the surface of the casting is blown off through the fan blade 54, the extrusion rod 55 drives the movable rod 52 to rotate, the direction of the fan blade 54 can be directly blown to the casting, when the movable block 33 and the extrusion rod 55 move to a certain position, the movable rod 52 returns to the initial position through the return spring, because the second rail 23 and the chute arranged inside the first rail 22 can enable the moving distance of the conveyor belt 24 in the chute to be smaller than the moving distance of the conveyor belt 24 in other parts inside the first rail 22 at the same time, the working efficiency can be improved while the water is cooled, and simultaneously the water in the cooling pool 4 can be cooled through the arranged cooling tower, and then recycled.
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 (10)
1. The automatic casting hardening and tempering method is characterized by comprising the steps of water cooling preparation, casting transfer, temperature detection, water cooling, and moisture blow-drying system, and specifically comprises the following steps:
s1, water cooling preparation: after water is injected into the water pool, the water pool is connected with a cooling tower;
s2, transferring the casting: after the casting is finished, after 5min, the casting starts to move to a water pool, and the casting is transferred to a power assembly through a manipulator;
s3, temperature detection: detecting that the temperature of the casting is at least 1100 ℃ before the casting enters the water pool by using an infrared thermometer;
s4, water cooling: after all the castings enter the water tank, conveying the castings to the water tank and the water outlet tank for 2min, and removing sand shells on the surfaces of the castings in the process;
s5, drying moisture: and after the water cooling is finished, blowing off the moisture on the surface of the casting by using a blow-drying device.
2. The method of automated casting conditioning according to claim 1, wherein only one furnace casting is transported at a time in step S2.
3. An automatic casting hardening and tempering system applied to the automatic casting hardening and tempering method according to any one of claims 1 to 2, and is characterized by comprising a cooling pool (4), wherein a workbench (1) is arranged at the bottom of the cooling pool (4), a power assembly (2) used for moving a casting is arranged on the surface of the workbench (1), an extrusion assembly (3) movably connected with the cooling pool (4) is arranged on the surface of the power assembly (2), and a blow-drying device (5) movably connected with the extrusion assembly (3) is arranged on the surface of the workbench (1).
4. The automatic casting hardening and tempering system according to claim 3, characterized in that said power assembly (2) comprises a first motor box (21), one side of said first motor box (21) is provided with a first rail (22) connected with the work table (1), the surface of said work table (1) is provided with a second rail (23) movably connected with the extrusion assembly (3).
5. The automatic casting hardening and tempering system according to claim 4, characterized in that a conveyor belt (24) with a size suitable for the inner part of said first track (22) is movably arranged, gear teeth (25) are arranged on the surface of said conveyor belt (24), and a gear (26) meshed with said gear teeth (25) is arranged at the output end of said first motor box (21).
6. The automatic casting hardening and tempering system according to claim 3, characterized in that said extrusion assembly (3) comprises two moving plates (31), one of said moving plates (31) is movable inside said second rail (23), the other of said moving plates (31) is connected with said conveyor belt (24), a fixed plate (32) is disposed on the surface of said moving plate (31), a movable block (33) is movably disposed on one side of said fixed plate (32), and a fixed groove (34) connected with said fixed plate (32) is movably disposed above said movable block (33).
7. The automatic casting hardening and tempering system according to claim 6, characterized in that one side of said movable block (33) is provided with a clamp (37) for clamping a casting, one side of said fixed plate (32) is provided with a movable groove (36) for the movable block (33) to move, a protruding block movably connected with said fixed groove (34) is arranged above said movable block (33), the inner wall of said fixed groove (34) is attached to said protruding block, and a spring (38) connected with said protruding block is arranged inside said fixed groove (34).
8. The automatic casting hardening and tempering system of claim 7, characterized in that, one side of said cooling pool (4) is provided with an extrusion plate (35) with a length adapted thereto, the cross section of said extrusion plate (35) is L-shaped, one side of said extrusion plate (35) is provided with a V-shaped groove, said V-shaped groove is movably connected with one side of said movable block (33), and the extruded side of said movable block (33) and said V-shaped groove is arc-shaped.
9. The automatic casting hardening and tempering system according to claim 3, wherein the blow-drying device (5) comprises a fixed rod (51) connected with the workbench (1), a return spring is arranged inside the fixed rod (51), a movable rod (52) connected with the return spring is movably arranged at one end of the fixed rod (51), a second motor box (53) is arranged at one end of the movable rod (52), fan blades (54) are arranged at the output end of the second motor box (53), an extrusion rod (55) movably connected with the movable block (33) is arranged on the surface of the second motor box (53), and one side of the extrusion rod (55) movably connected with the movable block (33) is in a circular arc shape.
10. An automated casting conditioning system according to claim 5, characterized in that the conveyor belt (24) is movable inside the first track (22), wherein a section of the first track (22) and the second track (23) is provided with a chute inside, the length of which corresponds to the length of the cooling bath (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210141007.XA CN114309556B (en) | 2022-02-16 | Automatic change foundry goods quenching and tempering system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210141007.XA CN114309556B (en) | 2022-02-16 | Automatic change foundry goods quenching and tempering system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114309556A true CN114309556A (en) | 2022-04-12 |
| CN114309556B CN114309556B (en) | 2024-07-05 |
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| CN210974769U (en) * | 2019-11-23 | 2020-07-10 | 开封市长城预应力有限责任公司 | Quenching device for anchor ring thermal refining |
| CN211101554U (en) * | 2019-12-14 | 2020-07-28 | 陈亚先 | Cooling device for casting |
| CN212792970U (en) * | 2020-07-29 | 2021-03-26 | 青岛斯坦德机械设备制造有限公司 | Cooling forming device for bimetal casting |
| CN112111634A (en) * | 2020-09-21 | 2020-12-22 | 安徽省含山县富坤铸造厂 | Automatic quenching device for castings |
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