CN215615011U - Automatic demoulding device for nonferrous metal ingot - Google Patents
Automatic demoulding device for nonferrous metal ingot Download PDFInfo
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- CN215615011U CN215615011U CN202121456570.3U CN202121456570U CN215615011U CN 215615011 U CN215615011 U CN 215615011U CN 202121456570 U CN202121456570 U CN 202121456570U CN 215615011 U CN215615011 U CN 215615011U
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Abstract
An automatic demoulding device for nonferrous metal ingots comprises a hollow interlayer water cooling mould, a supporting frame and a hydraulic ejection mechanism positioned at the bottom of the mould; the hollow interlayer water cooling mold comprises a mold body (2) with a mold cavity (1) in the middle and a jacket (3) at the periphery, a hollow pin (4) integrated with the mold body, a bottom hole formed in the bottom of the mold body, a movable ejector rod (6) with an internal threaded hole and capable of being assembled in the through hole, and an insertion pipe (9) inserted into the hollow pin, wherein a water inlet (7) and a water outlet (8) are respectively formed in two sides of the jacket; the hydraulic ejection mechanism comprises two groups of hydraulic oil cylinder assemblies, the top surface of an oil cylinder seat (11) is fixedly arranged on the bottom surface of the die body, an oil cylinder (13) is fixedly connected to the bottom surface of the oil cylinder seat, and an upward oil cylinder piston rod (12) is connected with the movable ejector rod through threads; the oil cylinder base is provided with a cooling water jacket (14). The utility model can automatically demould, save time and labor, and improve the service life of the die and the quality of the alloy ingot.
Description
Technical Field
The utility model relates to the technical field of metal ingot demoulding devices, in particular to an automatic demoulding device for nonferrous metal ingots.
Background
In non-ferrous metallurgy, a conventional ingot-forming mold is mainly composed of a mold a and a pin B as shown in fig. 1 and 2. And during ingot casting, injecting non-ferrous metal liquid into the cavity C, and firmly bonding the die, the pin and the non-ferrous metal ingot after cooling and solidification. Demoulding is divided into two steps: (1) a steel rope penetrates through a hole D on the pin, the mould, the pin and the nonferrous metal ingot are lifted together by a lifting device, then the mould is lifted by a sledge hammer, and the nonferrous metal ingot and the pin are still adhered together; (2) and (4) releasing the steel rope penetrating through the pin hole, hanging the nonferrous metal ingot, knocking off the pin by a sledge hammer, and thus completing the demoulding of the alloy ingot.
As shown in fig. 2, the mold and the pins are of solid construction. Since the temperature of the nonferrous metal liquid is above 400 ℃, after the nonferrous metal liquid is cast into a mold, the liquid is cooled slowly mainly from the upper surface due to the too thick wall of the mold, and the following problems occur:
1. demolding of the alloy ingot is very difficult;
2. the heat in the alloy liquid can not be dissipated for a long time, so that the temperature of the die is increased, and the service life of the die is influenced;
3. because the metal liquid is mainly cooled from the upper surface of the die, the cooling is uneven, and the quality of the alloy ingot is influenced;
4. the zinc ingot is demoulded and taken out from the mould by manpower, the labor intensity of workers is high, the production efficiency is low, and potential safety hazards exist.
Disclosure of Invention
The utility model aims to solve the problems in the prior art and provide an automatic demoulding device which can realize automatic demoulding, save time and labor and improve the service life of a mould and the quality of an alloy ingot.
The technical scheme adopted by the utility model is as follows:
an automatic demoulding device for nonferrous metal ingots comprises a hollow interlayer water cooling mould, a supporting frame thereof and a hydraulic ejection mechanism positioned at the bottom of the mould;
the hollow interlayer water cooling mold comprises a mold body, hollow pins, through holes, movable ejector rods and an insertion tube, wherein the mold body is provided with a jacket at the periphery of a mold cavity in the middle, the hollow pins are symmetrically arranged at two sides in the mold cavity and integrated with the mold body, the through holes are symmetrically formed in the bottom of the mold body and are positioned at the inner sides of the hollow pins at two sides, the movable ejector rods can be assembled in the through holes and are provided with threaded holes, the insertion tube is inserted into the hollow pins from the bottom, a water inlet and a water outlet which are communicated with the hollow interlayer are respectively formed in two sides of the jacket, the bottom end of the insertion tube penetrates out of a jacket bottom plate of the mold body, and the support frame is supported at the bottom of the mold body and fixes the mold body on the support frame through screws;
the hydraulic ejection mechanism comprises two groups of hydraulic oil cylinder assemblies, the top surfaces of oil cylinder bases of the hydraulic oil cylinder assemblies are fixedly arranged on the bottom surface of the die body through screws, the oil cylinders are fixedly connected to the bottom surfaces of the oil cylinder bases through screws, and upward oil cylinder pistons are in assembled connection with the internal threads of the ejector rods through thread sections on the tops of the oil cylinder pistons; and a cooling water jacket with a water inlet hole and a water outlet hole is arranged on the periphery of the oil cylinder seat.
Further, a heat insulation plate is arranged between the oil cylinder base and the oil cylinder.
Furthermore, guide sleeves are respectively arranged in the oil cylinder seat from top to bottom, and the oil cylinder piston penetrates through the guide sleeves.
Furthermore, the periphery of the bottom of the insertion pipe is provided with an installation flange, and the installation flange is fixedly installed on a jacket bottom plate of the die body through screws.
Furthermore, the number of the water inlets formed in the jacket is one, and the number of the water outlets is two.
Furthermore, a water inlet hole in the cooling water jacket of the oil cylinder base is located at a low position of the cooling water jacket, and a water outlet hole is located at a high position of the cooling water jacket.
The utility model has at least the following advantages:
1. due to the fact that the hollow interlayer water cooling mold integrating the mold body and the pin is adopted, cooling water can be introduced into the hollow interlayer, meanwhile, the cooling water can be introduced into the pin through the inserting tube, the alloy ingot can be uniformly and rapidly cooled in an all-round mode, cooling efficiency is improved, damage to the mold is reduced, the service life of the mold is prolonged, and the inside and appearance quality of the alloy ingot is improved.
2. The automatic demolding device has the advantages that the mechanical automatic demolding is realized, a heavy manual demolding mode is replaced, the labor intensity of workers is reduced, and the working efficiency and the production safety are improved.
3. The oil cylinder base is provided with a cooling water jacket, and a heat insulation plate is arranged between the oil cylinder base and the oil cylinder, so that the damage of high-temperature alloy liquid to the hydraulic oil cylinder assembly can be avoided, and the service life of the hydraulic oil cylinder assembly is prolonged.
4. The utility model has the advantages of ingenious design, simple structure, safety, reliability and high practical value.
Drawings
FIG. 1 is a schematic view of a prior art mold;
FIG. 2 is a cross-sectional view of FIG. 1 taken along the pin;
FIG. 3 is a schematic view of the present invention taken along the pin;
FIG. 4 is a cross-sectional view A-A of FIG. 3;
fig. 5 is a sectional view taken along line B-B of fig. 3.
Detailed Description
The utility model is further illustrated in the following with reference to the figures and examples.
As shown in fig. 3, 4 and 5, the automatic demolding device for the nonferrous metal ingot comprises a hollow interlayer water cooling mold, a support frame of the mold and a hydraulic ejection mechanism positioned at the bottom of the mold.
The hollow interlayer water cooling mold comprises a mold body 2, a mold cavity 1 with an upward opening is arranged in the middle of the mold body, a jacket 3 is arranged on the periphery of the mold body, and a hollow interlayer 5 is formed in the jacket. And a water inlet 7 and a water outlet 8 which are communicated with the hollow interlayer are respectively formed in two sides of the jacket, cooling water can be injected from the water inlet 7, heated water in the hollow interlayer is discharged from the water outlet, and alloy liquid poured in the die cavity is continuously cooled. The water inlet 7 is arranged close to the bottom of the mould, and the water outlet is arranged close to the top of the mould, so that the hollow interlayer can be filled with cooling water during casting. Because the cooling water part is gasified during cooling, in order to prevent the high temperature expansion of the cooling water from causing the over-high pressure in the hollow interlayer and causing the explosion of the mould, a water inlet and two water outlets are arranged. The water inlet is connected with a water inlet pipe, and the water outlet is connected with a water discharge pipe.
Bottom holes are symmetrically arranged at the inner sides of the hollow pins at the two sides of the bottom of the die body, and movable ejector rods 6 with internal threaded holes and capable of being jacked up are assembled in the bottom holes.
The support frame 10 is supported at the bottom of the mold body and fixes the mold body to the support frame through screws.
The hydraulic ejection mechanism comprises two groups of hydraulic oil cylinder assemblies, the top surfaces of oil cylinder bases 11 of the hydraulic oil cylinder assemblies are fixedly arranged on the bottom surface of the die body through screws, oil cylinders 13 are fixedly connected to the bottom surfaces of the oil cylinder bases through screws, and the tops of upward oil cylinder pistons 12 are matched and arranged in the inner threaded holes of the movable ejector rods 6 through threaded connection. The movable ejector rods are jacked up through the oil cylinder piston, and the solidified and formed alloy ingot is jacked up through the two movable ejector rods, so that the automatic demolding of the alloy ingot is realized. The top end of the oil cylinder piston is provided with a section of thread, the movable ejector rod is provided with an internal thread hole, the oil cylinder piston is stably connected with the movable ejector rod through thread matching, and the locking nut 17 is assembled to position and lock the ejector rod. The inner threaded hole of the movable ejector rod preferably adopts a blind hole with a flat and closed top surface, so that the alloy ingot can be stably ejected through the flat top surface, and the bottom surface of the alloy ingot is prevented from being damaged. Guide sleeves 16 with guiding function are respectively arranged in the oil cylinder seat up and down, and an oil cylinder piston penetrates through the guide sleeves, so that the oil cylinder can be prevented from being damaged when bearing large force. The hydraulic oil cylinder is a high-temperature oil cylinder, and the two hydraulic oil cylinder groups can control the two oil cylinders to work synchronously through a control system. The hydraulic oil cylinder and the control system thereof adopt the prior art.
In order to prevent the damage of the high-temperature alloy liquid to the hydraulic oil cylinder assembly, a cooling water jacket 14 with a water inlet hole and a water outlet hole is arranged on the periphery of the oil cylinder base, the water inlet hole 14-1 is located at the low position of the cooling water jacket, the water outlet hole 14-2 is located at the high position of the cooling water jacket, the water inlet hole is externally connected with a water inlet pipe and the water outlet hole is externally connected with a water outlet pipe, the circulation of cooling water is realized, and the oil cylinder base is continuously cooled. The oil cylinder bases of the two oil cylinders can be manufactured into an integrated structure as shown in the figure, and the cooling water jacket is arranged on the periphery of the integrated oil cylinder base. The oil cylinder base can also be made into a split structure, and a cooling water jacket is respectively arranged outside each oil cylinder base. And a heat insulation plate 15 is arranged between the oil cylinder base 11 and the oil cylinder 13, so that the oil cylinder is prevented from being damaged by high temperature.
When the device works, cooling water is respectively introduced into the hollow interlayer of the die body, the pin central hole and the cooling water sleeve of the oil cylinder seat until water flows out from the water outlet of the die body and the water outlet hole of the cooling water sleeve of the oil cylinder seat, so that the hollow interlayer of the die and the cooling water sleeve of the oil cylinder seat are filled with the cooling water, then water is kept to be supplied all the time, nonferrous metal liquid is injected into the cavity, the oil cylinder is started to jack up the movable ejector rod after the molten metal is condensed into a metal ingot, and the automatic demolding of the nonferrous metal ingot can be realized. The cooling water injected into the hollow sandwich of the mold may also be replaced by other suitable cooling fluids.
The utility model is especially suitable for the production of zinc ingots, and can also be used for the production of other nonferrous metal ingots.
Claims (6)
1. An automatic demoulding device for nonferrous metal ingots is characterized by comprising a hollow interlayer water cooling mould, a supporting frame thereof and a hydraulic ejection mechanism positioned at the bottom of the mould;
the hollow interlayer water cooling mold comprises a mold body (2) with a mold cavity (1) in the middle and a jacket (3) at the periphery, hollow pins (4) symmetrically arranged at two sides in the mold cavity and integrated with the mold body, through holes symmetrically arranged at the bottom of the mold body and positioned at the inner sides of the hollow pins at two sides, movable ejector rods (6) with internal threaded holes and capable of being assembled in the through holes, and an insertion pipe (9) inserted into the hollow pins from the bottom, wherein a water inlet (7) and a water outlet (8) which are communicated with a hollow interlayer (5) are respectively arranged at two sides of the jacket, the bottom end of the insertion pipe penetrates out of a jacket bottom plate of the mold body, and a support frame (10) is supported at the bottom of the mold body and fixes the mold body on the support frame through screws;
the hydraulic ejection mechanism comprises two groups of hydraulic oil cylinder assemblies, the top surfaces of oil cylinder bases (11) of the hydraulic oil cylinder assemblies are fixedly arranged on the bottom surface of the die body through screws, oil cylinders (13) are fixedly connected to the bottom surfaces of the oil cylinder bases through screws, and upward oil cylinder pistons (12) are connected with the internal threads of the ejector rods (6) in a matched manner through thread sections on the tops of the oil cylinder pistons; and a cooling water jacket (14) with a water inlet hole and a water outlet hole is arranged on the periphery of the oil cylinder seat.
2. An automatic demoulding device for non-ferrous metal ingots according to claim 1, characterized in that a heat insulation plate (15) is arranged between the oil cylinder base (11) and the oil cylinder (13).
3. The automatic demoulding device for the nonferrous metal ingot according to the claim 1 or 2, characterized in that a guide sleeve (16) is respectively arranged at the upper part and the lower part in the oil cylinder seat, and the oil cylinder piston passes through the guide sleeve.
4. The automatic demoulding device for the nonferrous metal ingot according to the claim 1 or 2, characterized in that the periphery of the bottom of the insertion pipe (9) is provided with a mounting flange, and the mounting flange is fixedly arranged on a jacket bottom plate of the mould body through a screw.
5. An automatic stripping device for nonferrous metal ingots according to claim 1 or 2, characterized in that the number of the water inlets (7) and the number of the water outlets (8) formed in the jacket are two.
6. The automatic demoulding device for the nonferrous metal ingot according to the claim 1 or 2, wherein the water inlet hole on the cooling water jacket of the oil cylinder base is positioned at the lower position of the cooling water jacket, and the water outlet hole is positioned at the upper position of the cooling water jacket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121456570.3U CN215615011U (en) | 2021-06-29 | 2021-06-29 | Automatic demoulding device for nonferrous metal ingot |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121456570.3U CN215615011U (en) | 2021-06-29 | 2021-06-29 | Automatic demoulding device for nonferrous metal ingot |
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| CN215615011U true CN215615011U (en) | 2022-01-25 |
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| CN202121456570.3U Active CN215615011U (en) | 2021-06-29 | 2021-06-29 | Automatic demoulding device for nonferrous metal ingot |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115138828A (en) * | 2022-08-10 | 2022-10-04 | 保定奥琦圣新型金属材料制造有限公司 | Hydraulic gold ingot demoulding device |
| CN117920980A (en) * | 2024-03-21 | 2024-04-26 | 中国机械总院集团云南分院有限公司 | Synchronous jacking device of non-ferrous metal ingot casting automatic demolding oil cylinder |
| CN117920949A (en) * | 2024-03-25 | 2024-04-26 | 中国机械总院集团云南分院有限公司 | Automatic drawing of patterns cavity mould of nonferrous metal ingot casting |
-
2021
- 2021-06-29 CN CN202121456570.3U patent/CN215615011U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115138828A (en) * | 2022-08-10 | 2022-10-04 | 保定奥琦圣新型金属材料制造有限公司 | Hydraulic gold ingot demoulding device |
| CN117920980A (en) * | 2024-03-21 | 2024-04-26 | 中国机械总院集团云南分院有限公司 | Synchronous jacking device of non-ferrous metal ingot casting automatic demolding oil cylinder |
| CN117920980B (en) * | 2024-03-21 | 2024-06-11 | 中国机械总院集团云南分院有限公司 | Control method of synchronous jacking device of automatic demolding oil cylinder for nonferrous metal ingot casting |
| CN117920949A (en) * | 2024-03-25 | 2024-04-26 | 中国机械总院集团云南分院有限公司 | Automatic drawing of patterns cavity mould of nonferrous metal ingot casting |
| CN117920949B (en) * | 2024-03-25 | 2024-05-24 | 中国机械总院集团云南分院有限公司 | Automatic drawing of patterns cavity mould of nonferrous metal ingot casting |
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