CN117600411A - Casting mold with water-cooling structure and working method thereof - Google Patents
Casting mold with water-cooling structure and working method thereof Download PDFInfo
- Publication number
- CN117600411A CN117600411A CN202311844332.3A CN202311844332A CN117600411A CN 117600411 A CN117600411 A CN 117600411A CN 202311844332 A CN202311844332 A CN 202311844332A CN 117600411 A CN117600411 A CN 117600411A
- Authority
- CN
- China
- Prior art keywords
- cavity
- die body
- cooling
- lower die
- pipeline
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C9/00—Moulds or cores; Moulding processes
- B22C9/06—Permanent moulds for shaped castings
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C9/00—Moulds or cores; Moulding processes
- B22C9/06—Permanent moulds for shaped castings
- B22C9/065—Cooling or heating equipment for moulds
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C9/00—Moulds or cores; Moulding processes
- B22C9/06—Permanent moulds for shaped castings
- B22C9/067—Venting means for moulds
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D27/00—Treating the metal in the mould while it is molten or ductile ; Pressure or vacuum casting
- B22D27/04—Influencing the temperature of the metal, e.g. by heating or cooling the mould
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Molds, Cores, And Manufacturing Methods Thereof (AREA)
Abstract
The invention relates to the technical field of casting molds, in particular to a casting mold with a water cooling structure and a working method thereof, and the casting mold comprises a lower mold body, wherein a heat insulation cavity is formed in the lower mold body around the outer side of a cavity, a pipeline is spirally wound on the inner wall of the heat insulation cavity, a cooling cavity is formed in the lower mold body, a piston plate is slidably connected in the cooling cavity and divides the inner space of the cooling cavity into a first cavity and a second cavity, two ends of the pipeline are respectively communicated with the first cavity and the second cavity, a supporting rod is connected to the piston plate, and one end of the supporting rod extends to the outer part of the lower mold body. The invention uses the relative motion generated by the die assembly of the lower die body and the upper die body to replace the liquid in the pipeline, so that the cooled liquid is continuously reserved in the pipeline, and in the continuous model manufacturing process, the manufactured model can be continuously cooled, the traditional cooling structure of a water pump and a fan is changed, and the whole device is miniaturized.
Description
Technical Field
The invention relates to the technical field of casting molds, in particular to a casting mold with a water cooling structure and a working method of the casting mold with the water cooling structure.
Background
The casting mold can form a workpiece-shaped cavity in the mold after mold closing, and the workpiece can be molded by pouring into the cavity, and in order to cool the molded workpiece rapidly, the casting mold is generally matched with a cooling structure.
According to the Chinese patent with the application number of 201922502217.3 and the name of 'a water-cooling magnesium alloy casting mould', a fan is arranged in the middle of one side, far away from the water-cooling pump, of the lower main body of the magnesium alloy casting mould, so that heat in the mould is absorbed by deionized water in a metal pipe, the water-cooling pump starts to work, the deionized water in the metal pipe carries heat to flow to a cooling platform, the convection speed of air is accelerated by matching with the fan, the heat carried by the deionized water is rapidly dissipated, and finally, the heat flows back to the water-cooling pump for secondary cooling to form a complete system matched with each other.
In addition, as the application number is 202120019795.6, the name is a casting mold convenient to process, and the casting mold can be processed more conveniently through a heat conduction pad, a water cooling box, a water inlet pipe, a valve, a supporting table, an air pump, an air pipe, an air gun, a hydraulic cylinder and a hydraulic rod, so that when one of main modes of producing automobile parts is pursued, a large amount of heat is often generated when the general casting mold is used for producing the automobile parts, and the production of the next batch of molds can be continued after the heat is dissipated.
There are many related patents, in which the cooling of the mold is mostly performed by the cooperation of a water pump, a fan and a cooling liquid, but in actual production, the cooling liquid cannot circulate in the mold due to the fact that the volumes of the fan and the water pump are large and cannot be effectively assembled with the mold.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides a casting die with a water cooling structure and a working method thereof, and the specific technical scheme is as follows:
in one aspect, the present application provides a casting mold with a water-cooled structure, comprising a lower mold body, wherein a cavity is formed at the top of the lower mold body;
the inner side of the lower die body is spirally wound with a pipeline, a cooling cavity is formed in the lower die body, a piston plate is connected in a sliding mode in the cooling cavity and divides the inner space of the cooling cavity into a first cavity and a second cavity, two ends of the pipeline are respectively communicated with the first cavity and the second cavity, a supporting rod is connected to the piston plate, and one end of the supporting rod extends to the outside of the lower die body;
the piston plate is driven to displace liquid in the cooling chamber with liquid in the conduit.
As a further technical scheme of the invention, a cavity is further formed in the lower die body, a connecting plate is connected in the cavity in a sliding way, one end of the abutting rod extends into the cavity and is connected with the connecting plate, and a spring is connected between the connecting plate and the inner wall of the cavity;
the spring is in compression and drives the piston plate back after demolding.
As a further technical scheme of the invention, the piston plate is provided with a one-way channel for communicating the first cavity with the second cavity, the one-way channel is a one-way flow channel, and the allowable flow direction of the one-way channel is from the first cavity to the second cavity.
As a further technical scheme of the invention, a gas channel for communicating the cavity with the cavity is arranged in the lower die body, a push rod penetrates through the gas channel, one end of the push rod is inserted into the cavity and connected with the connecting plate, the other end of the push rod is inserted into the cavity and connected with the sealing plate, and a reserved opening matched with the sealing plate is arranged at a port of the gas channel facing the cavity.
On the other hand, the application provides a working method of a casting mould with a water cooling structure, which comprises the following specific steps:
s1, closing the lower die body and the upper die body;
s1.1, sliding a piston plate in a cooling cavity and replacing liquid in the cooling cavity with liquid in a pipeline;
s1.2, introducing air between the lower die body and the upper die body into the cavity through the gas channel, and enabling the sealing plate to enter the reserved opening to form a seal for the gas channel;
s2, demolding the lower die body and the upper die body;
s2.1, the sealing plate is driven by the spring to reset, and the model is jacked up.
The beneficial effects of the invention are as follows:
(1) The liquid in the pipeline is replaced by the relative motion generated by the die assembly of the lower die body and the upper die body, so that the cooled liquid is continuously reserved in the pipeline, and in continuous model manufacturing, the manufactured model is continuously cooled, so that the traditional cooling structure of a water pump and a fan is changed, and the whole device is miniaturized.
(2) And the gas generated between the die assembly of the lower die body and the upper die body is led out of the die cavity by utilizing the gas channel, so that the residual gas quantity in the die cavity is effectively reduced, and the casting quality of the die is improved.
Drawings
FIG. 1 shows a schematic view of the overall structure of a casting mold having a water-cooling structure;
FIG. 2 is a schematic cross-sectional view showing a lower die body;
FIG. 3 is a schematic view showing a state structure after the lower die body is clamped; .
Description of the drawings: 100. a lower die body; 110. a thermal insulation chamber; 111. a pipe; 120. a cooling chamber; 121. a sealing plate; 122. a first cavity; 123. a second cavity; 124. a butt joint rod; 125. a unidirectional channel; 130. a cavity; 131. a connecting plate; 132. a spring; 133. a gas channel; 134. reserving a port; 135. a push rod; 136. a sealing plate; 200. an upper die body; 300. a cavity.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the present invention will be clearly and completely described below with reference to the embodiments.
In the prior art, the model is cooled by the mutual matching of a water pump, a fan and a cooling liquid, but in actual production, the cooling liquid cannot circulate in the die because the fan and the water pump have larger volumes and cannot be matched with the die.
In view of the above technical problems, the present application provides a casting mold with a water-cooling structure, and fig. 1 shows an overall structure schematic diagram of the casting mold with the water-cooling structure; the drawing includes a lower mold body 100 and an upper mold body 200 disposed above the lower mold body 100, wherein the upper mold body 200 is a prior art, and will not be described herein.
Fig. 2 is a schematic cross-sectional structure of the lower die body 100; fig. 3 is a schematic view showing a state structure of the lower die body 100 after the die assembly; in fig. 2 and 3, a cavity 300 corresponding to the upper mold body 200 is formed in the lower mold body 100, a heat insulation cavity 110 is formed in the lower mold body 100 around the outside of the cavity 300, a pipe 111 is spirally wound on the inner wall of the heat insulation cavity 110, a cooling cavity 120 is formed in the lower mold body 100, a piston plate 121 is slidably connected in the cooling cavity 120 and divides the inner space of the cooling cavity into a first cavity 122 and a second cavity 123, two ends of the pipe 111 are respectively communicated with the first cavity 122 and the second cavity 123, a supporting rod 124 is connected to the piston plate 121, and one end of the supporting rod 124 extends to the outside of the lower mold body 100 and faces the upper mold body 200.
In use, when the lower die body 100 and the upper die body 200 are clamped, the abutting rod 124 is pressed to move towards the lower die body 100, the piston plate 121 is driven to perform piston movement in the cooling cavity 120, at this time, the piston plate 121 introduces cooling liquid in the second cavity 123 into the pipeline 111 to cool the die, and cooling liquid heated in the pipeline 111 is sucked into the first cavity 122 to dissipate heat, so that the cooling liquid in the pipeline 111 is replaced by the cooling liquid in the cooling cavity 120 and the pipeline 111.
Referring to fig. 2 and 3, a cavity 130 is further formed in the lower mold body 100, a connection plate 131 is slidably connected in the cavity 130, one end of the supporting rod 124 extends into the cavity 130 and is connected with the connection plate 131, and a spring 132 is connected between the connection plate 131 and the inner wall of the cavity 130.
The connecting plate 131 moves synchronously and drives the spring 132 to deform along with the displacement of the supporting rod 124 under the influence of the mold closing of the lower mold 100 and the upper mold 200, and in this way, the piston plate 121 can be automatically reset after the lower mold 100 and the upper mold 200 are demolded, so that the cooling liquid in the pipeline 111 can be repeatedly replaced.
Referring to fig. 2 and 3, a unidirectional passage 125 for communicating the first chamber 122 with the second chamber 123 is formed in the piston plate 121, the unidirectional passage 125 is a unidirectional flow passage, and the allowable flow direction of the unidirectional passage 125 is from the first chamber 122 to the second chamber 123.
In some embodiments, the unidirectional flow of the unidirectional passage 125 is achieved by installing a unidirectional valve in the unidirectional passage 125, so that when the piston plate 121 moves toward the first cavity 122, the liquid in the first cavity 122 flows into the second cavity 123 through the unidirectional passage 125, so as to avoid displacement of the cooling cavity 120 and the pipe 111 during resetting of the piston plate 121.
Referring to fig. 2 and 3, a gas channel 133 for communicating the cavity 300 with the cavity 130 is formed in the lower mold body 100, a push rod 135 is penetrated through the gas channel 133, one end of the push rod 135 is inserted into the cavity 130 and connected with the connecting plate 131, the other end of the push rod 135 is inserted into the cavity 300 and connected with the sealing plate 136, and a reserved opening 134 matched with the sealing plate 136 is formed at a port of the gas channel 133 facing the cavity 300.
In use, in the mold closing state, the air channel 133 can guide the extruded air between the lower mold body 100 and the upper mold body 200 into the cavity 130, so that the phenomenon that the molding state of the mold is affected due to the air in the mold cavity after the mold closing is avoided, and the sealing plate 136 and the abutting rod 124 move downwards synchronously, can enter the reserved opening 134 after the mold closing, so that the integrity of the bottom wall of the mold cavity 300 is ensured, and meanwhile, the sealing plate 136 can be automatically reset under the condition of demolding, so that the mold is pushed to be lifted, and the better demolding is facilitated.
The working method of the casting mold with the water cooling structure comprises the following specific steps:
s1, the lower die body 100 and the upper die body 200 are matched;
s1.1, sliding the piston plate 121 in the cooling cavity 120 and replacing the liquid in the cooling cavity 120 with the liquid in the pipeline 111;
s1.2, air between the lower die body 100 and the upper die body 200 is led into the cavity 130 through the air channel 133, and the sealing plate 136 enters the reserved opening 134 to form a seal for the air channel 133;
s2, demolding the lower die body 100 and the upper die body 200;
s2.1, the sealing plate 136 is driven to reset by the spring 132 elastically, and the model is jacked up.
The above embodiments are only for illustrating the technical solution of the present invention, and are not limiting.
Claims (5)
1. Casting die with water-cooling structure, including lower die body (100), lower die body (100) top has die cavity (300), its characterized in that:
a heat insulation cavity (110) is formed in the lower die body (100) around the outer side of the die cavity (300), a pipeline (111) is spirally wound on the inner wall of the heat insulation cavity (110), a cooling cavity (120) is formed in the lower die body (100), a piston plate (121) is connected in a sliding mode in the cooling cavity (120) and divides the inner space of the cooling cavity into a first cavity (122) and a second cavity (123), two ends of the pipeline (111) are respectively communicated with the first cavity (122) and the second cavity (123), a supporting rod (124) is connected to the piston plate (121), and one end of the supporting rod (124) extends to the outside of the lower die body (100);
the piston plate (121) is driven to displace liquid in the cooling chamber (120) with liquid in the conduit (111).
2. The casting mold with a water-cooling structure according to claim 1, characterized in that: a cavity (130) is further formed in the lower die body (100), a connecting plate (131) is connected in the cavity (130) in a sliding mode, one end of the supporting rod (124) extends into the cavity (130) and is connected with the connecting plate (131), and a spring (132) is connected between the connecting plate (131) and the inner wall of the cavity (130);
the spring (132) is in a compressed state and drives the piston plate (121) to reset after demolding.
3. The casting mold with a water-cooling structure according to claim 2, characterized in that: the piston plate (121) is provided with a one-way channel (125) for communicating the first cavity (122) with the second cavity (123), the one-way channel (125) is a one-way flow channel, and the allowable flow direction of the one-way channel (125) is from the first cavity (122) to the second cavity (123).
4. A casting mold having a water-cooling structure according to claim 3, wherein: the utility model discloses a die for the plastic injection molding of plastic material, including lower die body (100), lower die body (100) are equipped with gas passage (133) that is linked together die cavity (300) and cavity (130), run through in gas passage (133) has ejector pin (135), in one end of ejector pin (135) inserts cavity (130) and with connecting plate (131) are connected, in the other end of ejector pin (135) inserts die cavity (300) and is connected with closing plate (136), gas passage (133) are offered towards the port department of die cavity (300) and are mateed in reservation mouth (134) of closing plate (136).
5. The method according to any one of claims 1 to 4, characterized by comprising the following steps:
s1, closing the lower die body (100) and the upper die body (200);
s1.1, sliding a piston plate (121) in a cooling cavity (120) and replacing liquid in the cooling cavity (120) with liquid in a pipeline (111);
s1.2, introducing air between the lower die body (100) and the upper die body (200) into the cavity (130) through the gas channel (133), and enabling the sealing plate (136) to enter the reserved opening (134) to form a seal for the gas channel (133);
s2, demolding the lower die body (100) and the upper die body (200);
s2.1, the sealing plate (136) is elastically driven by the spring (132) to reset, and the model is jacked up.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311844332.3A CN117600411A (en) | 2023-12-29 | 2023-12-29 | Casting mold with water-cooling structure and working method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311844332.3A CN117600411A (en) | 2023-12-29 | 2023-12-29 | Casting mold with water-cooling structure and working method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117600411A true CN117600411A (en) | 2024-02-27 |
Family
ID=89950101
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311844332.3A Pending CN117600411A (en) | 2023-12-29 | 2023-12-29 | Casting mold with water-cooling structure and working method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117600411A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN208992991U (en) * | 2018-11-06 | 2019-06-18 | 临沂大学 | A kind of back pressure injection mould sealing structure |
| CN112536994A (en) * | 2020-11-29 | 2021-03-23 | 吴伊龙 | Engineering plastic injection mold with good heat dissipation performance and capable of being quickly disassembled and assembled |
| CN213436655U (en) * | 2020-09-25 | 2021-06-15 | 曾桂全 | Stamping die with cooling effect |
| CN214082609U (en) * | 2020-12-15 | 2021-08-31 | 青岛奥源汽车零部件有限公司 | Multi-sprue module of injection molding machine |
| CN215786147U (en) * | 2021-06-16 | 2022-02-11 | 青岛三恩金属工业有限公司 | Cold roll forming die of V shaped steel component |
-
2023
- 2023-12-29 CN CN202311844332.3A patent/CN117600411A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN208992991U (en) * | 2018-11-06 | 2019-06-18 | 临沂大学 | A kind of back pressure injection mould sealing structure |
| CN213436655U (en) * | 2020-09-25 | 2021-06-15 | 曾桂全 | Stamping die with cooling effect |
| CN112536994A (en) * | 2020-11-29 | 2021-03-23 | 吴伊龙 | Engineering plastic injection mold with good heat dissipation performance and capable of being quickly disassembled and assembled |
| CN214082609U (en) * | 2020-12-15 | 2021-08-31 | 青岛奥源汽车零部件有限公司 | Multi-sprue module of injection molding machine |
| CN215786147U (en) * | 2021-06-16 | 2022-02-11 | 青岛三恩金属工业有限公司 | Cold roll forming die of V shaped steel component |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN111070602B (en) | Injection molding robot | |
| CN105834398B (en) | Liquid forging forming method, forming die and forming device of high neck flange | |
| CN211137974U (en) | Injection mold capable of being cooled rapidly | |
| CN118023494A (en) | A vacuum exhaust structure and method for die casting mold | |
| CN117600411A (en) | Casting mold with water-cooling structure and working method thereof | |
| CN215095426U (en) | Precision die of constant-temperature high-strength electric tool | |
| CN211539421U (en) | Motorcycle cylinder head forming die | |
| CN119346833A (en) | A casting device for precision castings | |
| CN216400295U (en) | Mould pressing rubber-coated part mould capable of automatically ejecting and demoulding | |
| CN116748493A (en) | An automobile engine parts production process control process method and its device | |
| CN212498763U (en) | Novel injection mold | |
| CN222470387U (en) | A metal processing forming tool that avoids waste oil back suction | |
| CN117841300B (en) | Quick shaping plastic bottle blank injection molding machine | |
| CN220278242U (en) | Die-casting workpiece die with high air tightness valve plate | |
| CN223395704U (en) | A filter valve movable insert mold structure | |
| CN222096810U (en) | Air-cooled injection mold | |
| CN222039508U (en) | Automatic heat dissipation mold | |
| CN120772373B (en) | Prevent overheated auto parts mold processing | |
| CN220515333U (en) | Forging die for steel piston | |
| CN224195914U (en) | A type of openable mold forming and casting machine | |
| CN224026455U (en) | A die-casting mold for easy demolding of automotive gear cover rear housing | |
| CN219505285U (en) | PTFE isostatic forming die resistant to 30MPa high pressure | |
| CN221437090U (en) | Quenching, rapid heating and high-gloss forming die for improving appearance brightness of plastic part | |
| CN118751895B (en) | Sliding limiting device for integrated die-casting die of new energy automobile | |
| CN223211816U (en) | Injection mold is used in production of air conditioner shell |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |