CN216027910U - Casting mould - Google Patents

Casting mould Download PDF

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Publication number
CN216027910U
CN216027910U CN202122181487.6U CN202122181487U CN216027910U CN 216027910 U CN216027910 U CN 216027910U CN 202122181487 U CN202122181487 U CN 202122181487U CN 216027910 U CN216027910 U CN 216027910U
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China
Prior art keywords
electromagnet
die body
casting
die
control switch
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CN202122181487.6U
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Chinese (zh)
Inventor
吴志强
郭维伟
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Guangdong Fuhua Casting Co ltd
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Guangdong Fuhua Casting Co ltd
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Priority to CN202122181487.6U priority Critical patent/CN216027910U/en
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Abstract

A casting mould comprises a mould body and a chill; the die comprises a die body and a die cover, wherein the die body comprises an upper surface and a side surface extending downwards from the edge of the upper surface, an electromagnet and a control switch are arranged in the die body, the control switch and the electromagnet are connected in series in a power supply circuit, the control switch is a normally closed switch, a contact of the control switch penetrates through the upper surface and protrudes out of the upper surface, and a magnetic end of the electromagnet penetrates out of the side surface from the inside of the die body; the chilling block is positioned at the outer side of the side surface of the die body and adsorbed on the magnetic end of the electromagnet. According to the utility model, the chilling block is adsorbed on the side surface of the die body through the electromagnet, after the casting molding sand is compacted, the circuit of the electromagnet is disconnected, so that the chilling block is separated from the die body, the die body can be taken out, the chilling block is flowed in the casting cavity and positioned on the side surface of the casting, a complex structure is not needed for supporting the chilling block positioned on the side surface of the die, the structure of the die is simplified, and meanwhile, the casting with qualified quality is obtained.

Description

Casting mould
Technical Field
The utility model relates to the technical field of casting, in particular to a casting mold.
Background
Some casting parts with special structures need to be placed at the position with larger wall thickness of a casting product during casting, and the chilling block is used as a chilling object placed at the position with larger thickness, can accelerate the local cooling speed of the casting and is matched with a pouring system and a riser system for use so as to control the solidification sequence of the casting, thereby obtaining the qualified casting. The existing chiller can only be supported by a mold generally, and therefore can only be placed in the horizontal direction, if the position of the casting with larger thickness is positioned on the side surface of the mold, and the position of the casting corresponding to the side surface of the mold has a requirement for rapid cooling, the existing chiller cannot be placed, so that a qualified casting is difficult to obtain, and the existing chiller needs to be realized by complex operations such as changing the structure of the mold, and the cost of casting is increased.
SUMMERY OF THE UTILITY MODEL
In view of the disadvantages of the prior art, an object of the present invention is to provide a casting mold, which can provide a chill on a side surface of the mold, and can obtain a qualified casting while reducing the cost.
In order to achieve the purpose, the utility model adopts the following technical scheme:
a casting mould comprises a mould body and a chill;
the die comprises a die body and a die cover, wherein the die body comprises an upper surface and a side surface extending downwards from the edge of the upper surface, an electromagnet and a control switch are arranged in the die body, the control switch and the electromagnet are connected in series in a power supply circuit, the control switch is a normally closed switch, a contact of the control switch penetrates through the upper surface and protrudes out of the upper surface, and a magnetic end of the electromagnet penetrates out of the side surface from the inside of the die body;
the chilling block is positioned at the outer side of the side surface of the die body and adsorbed on the magnetic end of the electromagnet.
The side of the die body is provided with a first groove which is sunken from the side to the inside of the die body, and the electromagnet is embedded in the first groove.
The magnetic end of the electromagnet is flush with the side surface of the die body.
The side of the die body is provided with a convex part which protrudes outwards, the outer surface of the convex part is parallel to the side of the die body, the first groove is arranged on the convex part, and the chilling block is attached to the outer surface of the convex part.
The die body further comprises a lower surface opposite to the upper surface, the casting die further comprises a template, the die body is arranged above the template, and the lower surface of the die body is attached to the upper surface of the template.
The upper surface of the die body is provided with a second groove which is formed by sinking the upper surface die body, the control switch comprises a switch seat, the switch seat is embedded in the second groove, and a contact of the touch switch is located at the top of the switch seat and penetrates out of the second groove to protrude out of the upper surface.
The control switch is provided with an elastic element which is arranged between the switch seat and the contact, and the elastic stress provided by the elastic element is used for pushing the contact upwards.
The switch seat is electrically connected with the electromagnet through a lead arranged in the die body.
The utility model has the beneficial effects that:
compared with the prior art, the cold iron is adsorbed on the side surface of the die body through the electromagnet, after the molding sand is compacted and cast, the circuit of the electromagnet is disconnected, so that the cold iron is separated from the die body, the die body can be taken out, the cold iron is flowed in the casting cavity and positioned on the side surface of a casting, a complex structure is not needed for supporting the cold iron positioned on the side surface of the die, the structure of the die is simplified, and meanwhile, the casting with qualified quality is obtained.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a cross-sectional view of the present invention;
FIG. 3 is a schematic view of a usage state of the present invention;
fig. 4 is a schematic view of another use state of the present invention.
Detailed Description
The utility model will be further described with reference to the accompanying drawings and specific embodiments:
as shown in fig. 1 and 2, a casting mold according to the present invention comprises a mold body 10 and a chill 30, wherein the mold body 10 comprises an upper surface 101 and a side surface 102 extending downward from the edge of the upper surface 101, the upper surface 101 may be horizontal, inclined or other irregular shape, but it is necessary that it is upward or a part thereof is upward, the side surface 102 is a vertically extending surface or a surface having a small angle with the vertical direction, and in summary, the side surface 102 has no structure for supporting the chill 30; an electromagnet 20 and a control switch 40 are installed inside the die body, the control switch 40 and the electromagnet 20 are connected to a power supply circuit in series, that is, the electromagnet 20 is powered by a power supply on the power supply circuit, the control switch 40 controls the circuit of the electromagnet 20 to be switched on and off, the control switch 40 is a normally closed switch, and in the state that the power supply continuously supplies power, the control switch 40 is in a normally closed state, so that the electromagnet 20 can continuously generate magnetism; the magnetic end of the electromagnet 20 penetrates out of the side surface 102 from the inside of the die body 10, the chiller 30 is located outside the side surface 102 of the die body 10, and the chiller 30 is adsorbed on the magnetic end of the electromagnet 20, so that the chiller 30 is always adsorbed on the side surface 102 when the electromagnet 20 is in an electrified state, and when the electromagnet 20 is powered off, the chiller 30 is separated from the side surface 102 of the die body 10. The contact 41 of the control switch 40 passes through the upper surface 101 upward and protrudes from the upper surface 101.
Referring to fig. 2, when the sand mold for casting is manufactured by the casting mold holder, the casting sand is wrapped outside the mold body 10, since the chill 30 is attracted to the side surface of the mold body 10 by the electromagnet 20, when the casting sand falls, the position of the chill 30 is always kept unchanged, when the casting sand is primarily filled, the inside of the mold body is loose and needs to be applied with a downward force, the casting sand is compacted as shown in fig. 3, when the casting sand above the upper surface 101 of the mold body 10 is compacted, the contact 41 of the control switch 40 protruded from the upper surface 101 is pressed downward and triggers the control switch 40, at this time, the control switch 40 disconnects the power supply circuit of the electromagnet 20, the electromagnet 20 loses the magnetic attraction force to the chill 30, and meanwhile, during the process of compacting the casting sand, the chill 30 is tightly wrapped by the casting sand, as shown in fig. 4, when the mold body 10 is taken out, a casting cavity is formed in the casting sand, the chilling block 30 is reserved at the edge of the casting cavity and is positioned on the side face of the corresponding position of the casting, so that the purpose of rapidly cooling the local position of the side face of the casting can be achieved.
Compared with the prior art, the cold iron is adsorbed on the side surface of the die body through the electromagnet, after the molding sand is compacted and cast, the circuit of the electromagnet is disconnected, so that the cold iron is separated from the die body, the die body can be taken out, the cold iron is flowed in the casting cavity and positioned on the side surface of a casting, a complex structure is not needed for supporting the cold iron positioned on the side surface of the die, the structure of the die is simplified, and meanwhile, the casting with qualified quality is obtained.
In a preferred embodiment of the present invention, in order to facilitate the installation of the electromagnet 20, a first groove recessed from the side surface 102 toward the inside of the die body 10 is provided on the side surface 102 of the die body 10, the electromagnet 20 is embedded in the first groove, and the magnetic end of the electromagnet 20 faces the outside of the die body 10. In order to avoid the electromagnet 20 from influencing the placing position of the chiller 30 while the electromagnet 20 can generate a large attraction force on the chiller 30, the magnetic end of the electromagnet 20 may be flush with the side surface 102 of the die body 10. In addition, a convex part 11 which protrudes outwards is further arranged on the side surface 102 of the die body 10, the outer surface of the convex part 11 is parallel to the side surface 102 of the die body 10, a first groove is formed on the convex part, and the chilling block 30 is attached to the outer surface of the convex part 11 through the adsorption of the electromagnet 20.
The mold body 10 further comprises a lower surface opposite to the upper surface 101, the casting mold of the present invention further comprises a pattern plate 50, the mold body 10 is disposed above the pattern plate 50, and the lower surface of the mold body 10 is fitted to the upper surface of the pattern plate 50, the pattern plate 50 is used for preventing the mold 10 and, at the same time, for receiving casting sand when the casting sand is filled.
In another preferred embodiment, in order to facilitate the installation of the control switch 40, a second groove recessed from the upper surface 101 toward the inside of the mold body 10 is disposed on the upper surface 101 of the mold body 10, the control switch 40 includes a switch seat 42, the switch seat 42 is embedded in the second groove, and the contact 41 of the control switch 40 is located at the top of the switch seat 42 and protrudes from the upper surface 101 after penetrating through the second groove. The spring is arranged between the switch seat 42 and the contact 41, the contact 41 is always pushed upwards by the elastic stress of the spring, so that the contact 41 is always in a state of protruding out of the upper surface 101 when not subjected to the pressure of casting sand, the control switch 40 is in a normally closed state, and after the casting sand is solidified, the spring is compressed and contracted, the contact 41 is contracted into the switch seat 42, and the control switch 40 is switched off. Of course, the above-mentioned spring may also be other elastic elements, such as a rubber block with elasticity. The switch base 42 and the electromagnet 20 are electrically connected through a conducting wire inside the mold body 10.
The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the utility model.

Claims (8)

1. A casting mould is characterized by comprising a mould body and a chill;
the die comprises a die body and a die cover, wherein the die body comprises an upper surface and a side surface extending downwards from the edge of the upper surface, an electromagnet and a control switch are arranged in the die body, the control switch and the electromagnet are connected in series in a power supply circuit, the control switch is a normally closed switch, a contact of the control switch penetrates through the upper surface and protrudes out of the upper surface, and a magnetic end of the electromagnet penetrates out of the side surface from the inside of the die body;
the chilling block is positioned at the outer side of the side surface of the die body and adsorbed on the magnetic end of the electromagnet.
2. The casting mold according to claim 1, wherein the side surface of the mold body is provided with a first groove recessed from the side surface toward the inside of the mold body, and the electromagnet is embedded in the first groove.
3. The casting device of claim 2, wherein the magnetic end of the electromagnet is flush with the side of the die body.
4. The casting mold according to claim 2, wherein the side surface of the mold body is provided with a convex portion protruding outward, an outer surface of the convex portion is parallel to the side surface of the mold body, the first groove is opened in the convex portion, and the chill is attached to the outer surface of the convex portion.
5. The casting device of claim 1, wherein the die body further comprises a lower surface opposite the upper surface, the casting device further comprising a template, the die body being positioned over the template, and the lower surface of the die body engaging the upper surface of the template.
6. The casting mold of claim 1, wherein the upper surface of the mold body is provided with a second groove recessed from the inside of the upper surface mold body, the control switch comprises a switch seat embedded in the second groove, and the contact of the touch switch is located at the top of the switch seat and protrudes out of the second groove to protrude out of the upper surface.
7. The casting mold according to claim 6, wherein the control switch is provided with a resilient member which is installed between the switch base and the contact, and the resilient member provides a resilient stress for urging the contact upward.
8. The casting mold according to claim 6, wherein the switch base and the electromagnet are electrically connected by a wire built in the mold body.
CN202122181487.6U 2021-09-09 2021-09-09 Casting mould Active CN216027910U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202122181487.6U CN216027910U (en) 2021-09-09 2021-09-09 Casting mould

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202122181487.6U CN216027910U (en) 2021-09-09 2021-09-09 Casting mould

Publications (1)

Publication Number Publication Date
CN216027910U true CN216027910U (en) 2022-03-15

Family

ID=80598050

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202122181487.6U Active CN216027910U (en) 2021-09-09 2021-09-09 Casting mould

Country Status (1)

Country Link
CN (1) CN216027910U (en)

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