WO2006030503A1 - 金型、金型の製造方法、熱交換流路形成用ブロック及び成形製品 - Google Patents
金型、金型の製造方法、熱交換流路形成用ブロック及び成形製品 Download PDFInfo
- Publication number
- WO2006030503A1 WO2006030503A1 PCT/JP2004/013468 JP2004013468W WO2006030503A1 WO 2006030503 A1 WO2006030503 A1 WO 2006030503A1 JP 2004013468 W JP2004013468 W JP 2004013468W WO 2006030503 A1 WO2006030503 A1 WO 2006030503A1
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- WIPO (PCT)
- Prior art keywords
- mold
- heat exchange
- flow path
- forming block
- path forming
- Prior art date
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/72—Heating or cooling
- B29C45/73—Heating or cooling of the mould
- B29C45/7312—Construction of heating or cooling fluid flow channels
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D17/00—Pressure die casting or injection die casting, i.e. casting in which the metal is forced into a mould under high pressure
- B22D17/20—Accessories: Details
- B22D17/22—Dies; Die plates; Die supports; Cooling equipment for dies; Accessories for loosening and ejecting castings from dies
- B22D17/2218—Cooling or heating equipment for dies
Definitions
- the present invention relates to a mold, a method for manufacturing a mold, a heat exchange channel forming block, and a molded product.
- FIG. 12 is a diagram for explaining a conventional mold 1110.
- 12 (a) is a perspective view of a mold forging apparatus 1100 provided with a conventional mold 1110
- FIG. 12 (b) is a view taken along arrow A1-A1 in FIG. 12 (a).
- c) is a cross-sectional view taken along line A2-A2 in FIG. 12 (b).
- This conventional mold 1110 has a mold 1120A and a mold 1120B as shown in FIG.
- the mold 1120A and the mold 1120B are provided with a heating circuit 1140 having a insertion hole 1142 and a rod-shaped heater 1144 and a cooling circuit 1150 having cooling channels 1152, 1154, 1156, 1158 (for example, patents) See reference 1.) o
- Reference numeral 1111 indicates a gate
- reference numeral 1112 indicates a runner
- reference numeral 1113 indicates a gate
- reference numeral 1114 indicates a cavity
- reference numeral 1115 indicates a vent hole.
- the conventional mold 1110 it is possible to perform the heating necessary for the mold before pouring, so that the wettability inside the mold is improved and the product quality is improved. To do.
- the conventional mold 1110 it is possible to perform the heating necessary for the mold after pouring, so that the occurrence of hot cracking due to overcooling and the accompanying damage to the mold can be suppressed. I can do it.
- the conventional mold 1110 it is possible to perform the cooling required for the mold after pouring, so that the mold is suppressed from being heated to an undesirable temperature. For this reason, even when molding is repeated for a long time or when the product is taken out quickly, the occurrence of seizure and squeezing is suppressed, and the productivity can be further increased.
- cooling channels 1152, 1154, 1156, and 1158 having a complicated structure are inserted into the molds 1120A and 1120B.
- it is not easy to reduce the manufacturing cost of the mold because it is necessary to cut and form.
- FIG. 13 is a view for explaining another conventional mold 1220A, 1220B proposed for solving such a problem.
- FIG. 13 (&) is a longitudinal sectional view of a laminated mold 1210 having other conventional molds 1220 8 and 1220 B
- FIG. 13 (b) is a perspective view of a mold body 1230 B in the mold 1220 B
- FIG. 13 (c) is a perspective view of the mold body support 124OA in the mold 1220A.
- the matching mold 1210 includes a mold 1220A and a mold 1220B.
- the mold 1220A includes a mold body 1230A and a mold body support 1240A that are bonded to each other at the bonding surface P, and a cooling flow path 1250A is formed therebetween.
- the mold 1220B has a mold body 1230B and a mold body support 1240B joined to each other at the joining surface P, and a cooling channel 1250B is formed between them (for example, , See Patent Document 2.) 0
- the molds 1220A and 1220B each have two members (the mold body 1230A and the mold body support 1240A and the mold body 1230B and The mold body support 1240B) is divided and the cooling flow paths 1250A and 1250B are formed between them, so there is no need to cut out the interior of the mold to form the cooling flow path.
- the manufacturing cost of the mold can be reduced. Further, it becomes easy to form a cooling flow path at an appropriate location inside the mold, and a mold having sufficient cooling performance can be manufactured.
- Patent Document 1 JP-A 63-174775
- Patent Document 2 JP 2001-162350 A
- the mold main bodies 1 230A and 1230B and the mold main body supports 1240A and 1240B are obtained by the discharge plasma sintering method. Are joined together. For this reason, the mold bodies 1230A and 1230B are exposed to high temperature and high pressure in the process of joining, and there is a problem that the accuracy of the surface that defines part of the cavity S (the surface that contacts the hot water) deteriorates. . As a result, there was a problem that the quality of the product deteriorated.
- the mold main bodies 1230A and 1230B and the mold main body supports 1240A and 1240B are joined by using the discharge plasma sintering method.
- the mold body 1230A, 1230B and the mold body support 1240A, 1240B need to be joined together using mirror-finished flat surfaces using an expensive and special discharge plasma sintering device. It is not easy to reduce mold manufacturing costs.
- the spark plasma sintering method has a problem in that the flat surfaces need to be joined to each other, so that there are severe restrictions on the shape and size of molds that can be manufactured.
- the present invention has been made to solve the above-described problems, and a heat exchange channel such as a cooling channel or a heating channel is provided at an appropriate location inside the mold. It is easy to form a mold, the restrictions on the shape and size of a mold that can be manufactured are loosened, and the manufacturing method for manufacturing such a mold is inexpensive. Purpose. It is another object of the present invention to provide a heat exchange flow path forming block that is necessary when manufacturing such a mold. Furthermore, it aims at providing the various products manufactured using the outstanding metal mold
- a mold of the present invention includes a mold body having a recess on the back side of a portion where heat exchange is desired, and a heat exchange flow path forming block having a shape corresponding to the recess of the mold body
- a groove for forming a heat exchange channel is formed in at least one of the mold body and the heat exchange channel forming block, and the mold body And the heat
- the exchange channel forming block is characterized in that it is joined by bonding with a heat-resistant inorganic adhesive.
- the mold is divided into the mold body and the heat exchange flow path forming block, and the heat exchange flow path is formed between them. There is no need to cut out the inside of the mold to form a heat exchange channel, and the manufacturing cost of the mold can be reduced. In addition, it becomes easy to form a heat exchange flow path at an appropriate location inside the mold, and a mold having sufficient heat exchange performance can be manufactured.
- the mold body and the heat exchange flow path forming block can be manufactured by adhering and bonding them with a heat-resistant organic adhesive.
- the body will not be exposed to high temperature and pressure. For this reason, the accuracy of the surface that defines part of the cavity (the surface that comes into contact with hot water) is not deteriorated, and the deterioration of the product quality can be suppressed.
- this makes it possible to form a surface that defines a part of the cavity (the surface that comes into contact with hot water) before the joining process, which simplifies the process of manufacturing the mold and reduces the manufacturing cost of the mold. Can be easily reduced.
- the mold body and the heat exchange flow path forming block can be manufactured by adhering and bonding them with a heat-resistant organic adhesive, which is expensive. There is no need to use a special discharge plasma sintering device, and the manufacturing cost of the mold can be reduced.
- the joining surface of the mold body and the heat exchange flow path forming block is not a flat surface, these can be joined (for example, a curved surface or a rough surface is also possible), so that the mold can be manufactured. Restrictions on the shape and size of the mold can be greatly relaxed.
- the mold of the present invention can be suitably used for all of die casting molds, glass molding molds, rubber molding molds, and resin molding molds.
- the groove is formed in the heat exchange flow path forming block.
- a groove may be formed in the recess of the mold main body, but it is actually not easy to process the groove in the recess.
- the groove is processed with respect to the convex portion, so that the groove can be easily formed.
- the groove is processed by a ball end mill. This can be done by shaving.
- the groove forming surface becomes a smooth surface, so that the resistance when the heat exchange fluid flows through the heat exchange channel can be reduced.
- the heat exchange flow path forming block preferably has a hole serving as a heat exchange flow path.
- the heat exchange channel can be formed three-dimensionally, and the design and arrangement of the heat exchange channel in the mold is facilitated.
- the joint surface between the mold body and the heat exchange flow path forming block is exposed on the bottom surface of the mold. It is preferable.
- the mold is nested in the mother mold and placed under the pressure from the mother mold or the slide core.
- the “bottom surface of the mold” refers to a surface of the mold in which the pressure of the mother mold or the slide core force is mainly applied in the normal direction.
- the joint surface is exposed on the bottom surface of the mold. For this reason, compared to the case where the joint surface is exposed on the side surface of the mold, the portion where the joint surface is exposed is more stably supported by the mother die and the slide core. Leakage is suppressed as much as possible. Also, in this case, the part where the joint surface is exposed is the surface (surface that contacts the hot water) that defines a part of the cavity. Damage to molds and product defects will be minimized.
- the heat-resistant inorganic adhesive is preferably a thermosetting inorganic adhesive.
- the heat exchange flow path forming block is pressed against the mold body, and relatively mild conditions (for example, 50 ° C— The mold main body and the heat exchange flow path forming block can be firmly joined by simply leaving it at 200 ° C.
- the heat-resistant inorganic adhesive is more preferably a one-component heat-curable inorganic adhesive.
- the heat-resistant inorganic adhesive is preferably a silica-based inorganic adhesive.
- the silica-based inorganic adhesive has a relatively large linear expansion coefficient and good followability to the surface to be joined, so that it is suitable for a mold having a relatively large linear expansion coefficient. Mold life can be extended.
- the film thickness of the heat-resistant inorganic adhesive may be in the range of 3 ⁇ m to 300 ⁇ m. preferable.
- the film thickness of the heat resistant inorganic adhesive is less than 3 ⁇ m, it becomes difficult to make the film thickness of the heat resistant inorganic adhesive uniform.
- the film thickness of the heat-resistant inorganic adhesive exceeds 300 / zm, it is not easy to maintain the positional accuracy of the heat exchange flow path forming block with respect to the mold body. In addition, the efficiency of heat exchange decreases.
- the film thickness of the heat-resistant inorganic adhesive is more preferably in the range of 10 m-100 m.
- both the bonding surface of the mold main body and the bonding surface of the heat exchange flow path forming block can be mirror surfaces.
- one or both of the joint surfaces of the mold body and the heat exchange flow path forming block can be roughened. Even in such a case, the heat exchange flow path forming block can be firmly joined to the mold body.
- the joining surface since it is not always necessary that the joining surface be a mirror surface, precise grinding of the joining surface becomes unnecessary. For this reason, the joining surface of the mold body and the joining surface of the heat exchange flow path forming block can be easily formed.
- the “rough surface” means a surface having an arithmetic average roughness (Ra) in the range of 3 ⁇ m-100 ⁇ m. Performance is obtained.
- the mold of the present invention includes a mold body having a recess on the back side of a portion where heat exchange is desired, and a heat exchange flow path forming block having a shape corresponding to the recess of the mold body And A groove for forming a heat exchange channel is formed in at least one of the mold body or the heat exchange channel forming block, and the mold body and the heat exchange are formed.
- the flow path forming block is bonded, and the bonding surface between the mold body and the heat exchange flow path forming block is exposed on the bottom surface of the mold.
- the mold is divided into the mold body and the heat exchange flow path forming block, and the heat exchange flow path is formed between them. There is no need to cut out the inside of the mold to form a heat exchange channel, and the manufacturing cost of the mold can be reduced. In addition, it becomes easy to form a heat exchange flow path at an appropriate location inside the mold, and a mold having sufficient heat exchange performance can be manufactured.
- the joint surface is exposed on the bottom surface of the mold.
- the portion where the joint surface is exposed is more stably supported by the mother die and the slide core, so that the heat exchange fluid leaks. Is suppressed as much as possible.
- the part where the joint surface is exposed is the surface (surface that contacts the hot water) that defines a part of the cavity. In addition, damage to molds and product defects are minimized.
- the mold of the present invention can be suitably used for all of die casting molds, glass molding molds, rubber molding molds, and resin molding molds.
- the groove is formed in the heat exchange flow path forming block.
- grooves may be formed in the recesses of the mold body, but it is actually not easy to process the grooves in the recesses.
- the groove is processed with respect to the convex portion, so that the groove can be easily formed.
- the groove can be processed by, for example, cutting with a ball end mill. As a result, the groove forming surface becomes a smooth surface, so that the resistance when the heat exchange fluid flows through the heat exchange channel can be reduced.
- the heat exchange flow path forming block preferably has a hole serving as a heat exchange flow path.
- the heat exchange channel is three-dimensionally. This makes it easy to design and arrange the heat exchange channel in the mold.
- an O-ring is provided on a joint surface between the mold body and the heat exchange flow path forming block. It is preferable.
- the thickness of the mold body in the portion where heat exchange is desired is in a range of 2 mm to 30 mm. I prefer that.
- the wall thickness is 2 mm or less, it is difficult to ensure the necessary strength in the mold body.
- the wall thickness exceeds 30 mm, the efficiency of heat exchange decreases.
- the thickness of the mold body in the portion where heat exchange is desired be in the range of 3 mm-15 mm, more preferably in the range of 5 mm-12 mm. .
- the groove performs heat exchange sufficiently, and only in the part, and in the other part. It is preferably formed with a higher density than before.
- the groove is formed so that the heat exchange channel does not include a branching portion. Preferred.
- the heat exchange flow path forming block has a cross-sectional area at a distal end portion smaller than a cross-sectional area at a proximal end portion. It preferably has a tapered shape.
- the heat exchange flow path forming block is smoothly inserted and arranged in the recess of the mold main body. Workability is improved.
- the heat exchange flow path forming block can be smoothly inserted and arranged, when the mold body and the heat exchange flow path forming block are joined using a heat-resistant inorganic adhesive, It is easy to make the thickness of the inorganic adhesive uniform and thin, and the quality of the mold is further improved. In addition, the efficiency of heat exchange is improved.
- the heat exchange flow path forming block preferably has the same material force as the mold body.
- die steel can be used for both the die body and the heat exchange flow path forming block.
- the mold body and the heat exchange flow path forming block may be made of different materials. In this case, it is preferable to make the linear expansion coefficients of the mold body and the heat exchange flow path forming block as close as possible.
- the heat exchange flow path forming block has a material strength that is less likely to crack than the mold body. .
- the heat exchange flow path forming block tends to be easily squeezed by passage of a heat exchange fluid (for example, water) as compared with the mold body. For this reason, if the heat exchange flow path forming block is made of a material that is less likely to crack than the mold body, the heat exchange flow path forming block is less likely to crack and the life of the mold is extended.
- a heat exchange fluid for example, water
- the die is used as a die for aluminum die casting, for example, die steel is used for the die body and stainless steel is used for the heat exchange flow path forming block.
- the mold is nested in the mother mold and placed under the pressure of the mother mold or the slide core force. For this reason, if there is no step between the bottom surface of the mold body and the bottom surface of the heat exchange flow path forming block, the mold will be well supported by the mother mold and slide core. The process is stable and the product quality is improved. In addition, the life of the mold is extended. Furthermore, leakage of the heat exchange fluid is suppressed as much as possible.
- the mold of the present invention has a mold body having a recess on the back side of a portion where heat exchange is desired, and a shape corresponding to the recess of the mold body.
- a heat exchange flow path forming block in which a flow path is formed, and the mold body and the heat exchange flow path forming block are bonded together by bonding with a heat-resistant inorganic adhesive. It is characterized by that.
- the mold is divided into the mold body and the heat exchange flow path forming block, and the heat exchange flow path is provided inside the heat exchange flow path forming block. Since it is formed, it is not necessary to form a heat exchange channel by hollowing out the inside of the mold (mold body), and the manufacturing cost of the mold can be reduced. In addition, it becomes easy to form a heat exchange flow path at an appropriate location inside the mold, and a mold having sufficient heat exchange performance can be manufactured.
- the mold body and the heat exchange flow path forming block can be manufactured by adhering and bonding them with a heat-resistant organic adhesive.
- the body will not be exposed to high temperature and pressure. For this reason, the accuracy of the surface that defines part of the cavity (the surface that comes into contact with hot water) is not deteriorated, and the deterioration of the product quality can be suppressed.
- this makes it possible to form a surface that defines a part of the cavity (the surface that comes into contact with hot water) before the joining process, which simplifies the process of manufacturing the mold and reduces the manufacturing cost of the mold. Can be easily reduced.
- the mold body and the heat exchange flow path forming block can be manufactured by adhering and bonding with a heat-resistant organic adhesive, which is expensive. There is no need to use a special discharge plasma sintering device, and the manufacturing cost of the mold can be reduced.
- the joining surface of the mold body and the heat exchange flow path forming block is not a flat surface, these can be joined (for example, a curved surface or a rough surface is also possible), so that the mold can be manufactured. Restrictions on the shape and size of the mold can be greatly relaxed.
- the mold of the present invention can be suitably used for all of die casting molds, glass molding molds, rubber molding molds, and resin molding molds.
- a joint surface between the mold body and the heat exchange flow path forming block may be exposed on a bottom surface of the mold. I like it.
- the joint surface is exposed on the bottom surface of the mold. For this reason, compared to the case where the joint surface is exposed on the side surface of the mold, the exposed portion of the joint surface is more stably supported by the mother die and the slide core. Leakage will be suppressed as much as possible. Also, in this case, the surface where the joint surface is exposed defines the part of the cavity (the surface that comes into contact with the hot water) is also the most separated position, so even if the fluid for heat exchange should leak In addition, damage to molds and product defects will be minimized.
- the mold of the present invention performs heat exchange!,! /, A mold body having a recess on the back side of the part, and a shape corresponding to the recess of the mold body, A mold in which a heat exchange channel forming block in which a groove for forming a heat exchange channel is formed is joined, and a joining surface between the mold body and the heat exchange channel forming block Is exposed on the bottom surface of the mold.
- the joint surface is exposed on the bottom surface of the mold. For this reason, compared to the case where the joint surface is exposed on the side surface of the mold, the portion where the joint surface is exposed is more stably supported by the mother die and the slide core. Leakage is suppressed as much as possible. In this case, the part where the joint surface is exposed is located farthest from the surface that defines part of the cavity (the surface that contacts the hot water). , Damage to molds and product defects are minimized become so.
- a mold manufacturing method is a mold manufacturing method for manufacturing the mold according to any one of (1) and (6) above, wherein heat exchange is performed.
- a step of preparing a mold body having a recess on the back side of the desired portion, and a shape corresponding to the recess of the mold body, and a groove for forming the heat exchange channel is formed.
- the excellent mold as described above is bonded to the mold body and the heat exchange flow path forming block with a heat-resistant inorganic adhesive.
- the joining step includes the heat-resistant inorganic adhesion to at least one of the mold body and the heat exchange flow path forming block. It is preferable to include a step of applying an agent and a step of heating the mold main body and the heat exchange flow path forming block in a pressed state in this order.
- a heat-resistant inorganic adhesive is applied to at least one of the mold main body and the heat exchange flow path forming block, and then the mold main body and the heat exchange flow path forming process are applied.
- the mold body and the heat exchange flow path forming block can be firmly joined simply by heating in a state where the hook is pressed.
- the mold body and the heat exchange flow path forming block can be firmly joined by heating at a relatively low temperature of 50 ° C. to 200 ° C. .
- the accuracy of the surface that defines a part of the cavity in the mold body is not deteriorated.
- the mold is nested in the mother mold and placed under the pressure of the mother mold or the slide core force. For this reason, if there is no step between the bottom surface of the mold body and the bottom surface of the heat exchange flow path forming block, the mold will be well supported by the mother mold and slide core. The process is stable and the product quality is improved. In addition, the life of the mold is extended. Furthermore, leakage of the heat exchange fluid is suppressed as much as possible.
- the heat exchange flow path forming block is preferably formed in such a dimension that its bottom surface protrudes slightly from the bottom surface of the mold body during bonding.
- a mold manufacturing method of the present invention is a mold manufacturing method for manufacturing the mold described in any one of (1) and (20) above, Then, a step of forming a predetermined recess on the back side of the portion of the mold where heat exchange is desired, and a heat exchange flow path forming block having a shape corresponding to the predetermined recess are supplied to the customer. And a process.
- the heat exchange performance of the mold that the customer is currently using or intends to use can be improved by a simple method. That is, in such a case, the customer is allowed to form a predetermined recess on the back side of the part where heat exchange performance in the mold is to be improved, and then the customer is given a shape corresponding to the predetermined recess.
- a block for forming a heat exchange flow path is provided. This makes it easy to improve the heat exchange performance of the mold by integrating the mold body with the predetermined recesses under the customer and the heat exchange flow path forming block supplied to the customer. To do.
- a heat exchange flow path forming block according to the present invention is a heat exchange flow path forming block for use in the mold according to any one of (1) and (20) above.
- the mold body has a shape corresponding to the concave portion of the mold body.
- an excellent mold as described above can be configured by combining with the mold body.
- the cross-sectional area of the distal end portion has a tapered shape smaller than the cross-sectional area of the proximal end portion.
- the molded product of the present invention is a molded product manufactured using the mold according to any one of (1) and (20) above.
- the molded product of the present invention is a molded product manufactured using an excellent mold as described above, and thus is a molded product with high quality and low manufacturing cost.
- Examples of such molded products include metal products such as aluminum, zinc and magnesium when the mold is a die casting mold.
- metal products such as aluminum, zinc and magnesium
- the mold is a glass mold
- various glass products are exemplified.
- the mold is a rubber mold
- various rubber products are exemplified.
- various kinds of resin products are exemplified.
- FIG. 1 is a view shown for explaining a mold according to a first embodiment.
- FIG. 2 is a view for explaining a mold according to the second embodiment.
- FIG. 3 is a view for explaining a mold according to a third embodiment.
- FIG. 4 is a view for explaining a mold according to a fourth embodiment.
- FIG. 5 is a view for explaining a mold according to a fifth embodiment.
- FIG. 6 is a view for explaining a mold according to the sixth embodiment.
- FIG. 7 is a view for explaining a metal mold according to Embodiment 7.
- FIG. 8 is a view for explaining a mold according to an eighth embodiment.
- FIG. 9 is a view for explaining a metal mold according to an eighth embodiment.
- FIG. 10 is a view for explaining a mold according to the eighth embodiment.
- FIG. 11 is a view for explaining the mold according to the ninth embodiment.
- FIG. 12 is a view for explaining a conventional mold.
- FIG. 13 is a view for explaining another conventional mold.
- FIG. 1 is a view for explaining the mold 120A according to the first embodiment.
- Fig. 1 (a) is a cross-sectional view of the mating die 110 provided with the die 120A
- Fig. 1 (b) is a top view of the heat exchange flow path forming block 140A used in the die 120A.
- c) is a bottom view of the heat exchange flow path forming block 140A used for the mold 120A
- FIG. 1 (d) is a perspective view of the heat exchange flow path forming block 140A used for the mold 120A.
- (e) is a top view of the mold body 130A used for the mold 120A
- FIG. 1 (f) is a bottom view of the mold body 130A used for the mold 120A
- FIG. 1 (g) is a mold 120A.
- FIG. 1 (h) is a perspective view of a mold body 130A used for the mold 120A, as seen from an angle different from that in FIG. 1 (g).
- the matching mold 110 includes a mold 120A and a mold 120B.
- Mold 120A has a recess C (see Fig. 1 (h)) on the back side of the part where heat exchange is desired.
- Mold body 130A and heat exchange flow path having a shape corresponding to recess C of mold body 130A
- Forming block 140A (see FIG. 1 (d)). As shown in FIGS. 1 (a) to 1 (d), the heat exchange flow path forming block 14OA is provided with grooves 142A and 144A for forming a heat exchange flow path and a heat exchange flow path. A hole 146A is formed. The mold body 130A and the heat exchange channel forming block 140A are bonded with a heat-resistant inorganic adhesive, not shown.
- the mold 120B also basically has the same configuration as the mold 120A, and therefore the description of the mold 120B will be omitted for the sake of simplicity.
- FIG. 1 the recesses of the mold body 130A and the corners of the heat exchange flow path forming block 140A are omitted in FIG. 1 because they are actually rounded.
- the detailed structure of the mold such as gates, gates, runners, pins, etc., will be shown separately.
- the mold 120A is exchanged with the mold main body 130A for heat exchange. Since it is divided into the block forming block 140A and the heat exchange flow path is formed between them, it is not necessary to cut out the inside of the mold to form the cooling flow path, thereby reducing the manufacturing cost of the mold. Can be cheap. In addition, it becomes easy to form a heat exchange channel at an appropriate location inside the mold, and a mold having sufficient cooling performance can be manufactured.
- the mold 120A according to Embodiment 1 is manufactured by adhering the mold body 130A and the heat exchange flow path forming block 140A by bonding with a heat-resistant inorganic adhesive (not shown). Therefore, the mold body is not exposed to high temperature and high pressure. For this reason, the accuracy of the surface that defines part of the cavity S (see Fig. 1 (a)) (the surface that comes into contact with hot water) will not deteriorate, and it will be possible to suppress the deterioration of product quality. it can. In addition, this makes it possible to form a surface that defines part of the cavity S (the surface that comes into contact with hot water) before the joining process, which simplifies the process of manufacturing the mold. Manufacturing costs can be easily reduced.
- the mold 120A according to Embodiment 1 is manufactured by bonding the mold body 130A and the heat exchange flow path forming block 140A by bonding them with a heat-resistant inorganic adhesive (not shown). Therefore, it is not necessary to use an expensive and special discharge plasma sintering apparatus, and the manufacturing cost of the mold can be reduced.
- the mold 120A according to Embodiment 1 is an aluminum die casting mold. Further, the heat exchange channel is used as the cooling channel.
- a groove may be formed in the recess of the mold body, but it is actually not easy to process the groove in the recess.
- the groove is processed for the convex portion.
- the groove can be easily formed.
- the groove can be processed by, for example, cutting with a ball end mill. As a result, the groove forming surface becomes a smooth surface, so that the resistance when the heat exchange fluid flows through the heat exchange channel can be reduced.
- the heat exchange flow path forming block 140A includes heat in addition to the grooves 142A and 144A as shown in Figs. 1 (b) to 1 (d). Hole to be used as replacement channel 1 46 A is formed. For this reason, the heat exchange flow path can be formed three-dimensionally, and the design and arrangement of the heat exchange flow path in the mold becomes easy.
- the joint surface between the mold body 130A and the heat exchange flow path forming block 140A is the bottom surface of the mold 120A (FIG. 1 (a ) Is exposed on the lowermost surface).
- the portion where the joint surface is exposed is more stably supported by the mother die. become.
- the leakage of the heat exchange fluid is suppressed as much as possible.
- the part where the joint surface is exposed is located farthest from the surface that defines a part of the cavity S (the surface that contacts the hot water).
- the occurrence of damage to the mold and product defects will be minimized.
- a silica-based one-component heat-curable inorganic adhesive (Alon Ceramic C, Toagosei Co., Ltd.) is used as the heat-resistant inorganic adhesive! .
- the silica-based inorganic adhesive has a relatively large linear expansion coefficient and good followability to the surface to be joined, so that it is suitable for a mold having a relatively large linear expansion coefficient. By using such a heat-resistant inorganic adhesive, the life of the mold can be extended.
- the film thickness of the heat-resistant inorganic adhesive is preferably in the range of 3 ⁇ m to 300 ⁇ m. That is, when the film thickness of the heat resistant inorganic adhesive is less than 3 m, it becomes difficult to make the film thickness of the heat resistant inorganic adhesive uniform. On the other hand, when the film thickness of the heat-resistant inorganic adhesive exceeds 300 m, it is not easy to maintain the positional accuracy of the heat exchange flow path forming block with respect to the mold body. In addition, the efficiency of heat exchange decreases.
- the film thickness of the heat-resistant inorganic adhesive is It is assumed to be in the range of 10 ⁇ m—100 ⁇ m.
- the joint average surface of the mold main body 130A and the joint surface of the heat exchange flow path forming block 140A both have an arithmetic average roughness (Ra) of 10 m to 30 m. It is a rough surface in the range of.
- both the bonding surface of the mold main body and the bonding surface of the heat exchange flow path forming block may be mirror surfaces.
- both the bonding surface of the mold main body 130A and the bonding surface of the heat exchange flow path forming block 140A are roughened. Even in such a case, the heat exchange flow path forming block 140A can be firmly joined to the mold body 130A.
- the thickness between the concave portion of the mold body constituting a part of the cavity and the concave portion for inserting the heat exchange flow path forming block is in the range of 2 mm to 30 mm. It is preferable to be within. In other words, when the wall thickness is 2 mm or less, it is difficult to ensure the necessary strength in the mold body. On the other hand, if this thickness exceeds 30 mm, the efficiency of heat exchange decreases.
- the wall thickness is assumed to be in the range of 5mm-12mm.
- the groove is a portion where the heat exchange is sufficiently performed (groove
- the grooves 142A and 144A are formed so that the heat exchange flow path does not include the branching portion.
- the flow path forming block 140A has a taper shape in which the cross-sectional area of the distal end portion is smaller than the cross-sectional area of the proximal end portion.
- the heat exchange flow path forming block 140A can be smoothly inserted and arranged, it becomes easy to make the thickness of the heat-resistant inorganic adhesive uniform and thin, and the quality of the mold is further improved. In addition, the efficiency of heat exchange is improved.
- the mold body 130A and the heat exchange flow path forming block 140A both use die steel (SKD61) made of the same material.
- the linear expansion coefficient of the mold main body 130A and the heat exchange flow path forming block 140A are the same, and the deterioration of the mold caused by repeating the molding process can be suppressed as much as possible.
- the heat exchange flow path forming block can be made of a material that is more lustrous than the mold body.
- the heat exchange flow path forming block has a tendency to be easily squeezed by passage of the heat exchange fluid (for example, water) as compared with the mold body. If the path forming block is made of a material that is less likely to crack than the mold body, the heat exchange channel forming block will be creased and the mold life will be extended.
- the heat exchange fluid for example, water
- die steel can be used for the mold body, and stainless steel can be used for the heat exchange channel forming block.
- step 1 (3) step It can be produced by a production method including the following (1) step 1 (3) step.
- the mold with C may be designed and manufactured from the beginning, and first the recess C is provided.
- a recess C may be formed at a required location.
- It has a shape corresponding to the concave part C of the mold body 130A, and is used to form a heat exchange channel.
- a heat exchange flow path forming block 140A having grooves 142A, 144A and holes 146A is prepared.
- the die body 130A and the heat exchange flow path forming block 140A are bonded together with a heat-resistant inorganic adhesive.
- This joining process consists of applying a heat-resistant inorganic adhesive to both the mold body 130A and the heat exchange flow path forming block 140A, and pressing the mold main body 130A and the heat exchange flow path forming block 140A. And heating in this order. Heating is performed by placing the mold in a dryer and gradually raising the temperature to 200 ° C at room temperature.
- the mold 120A according to the first embodiment is bonded to the mold body 130A and the heat exchange flow path forming block 140A by heat-resistant inorganic adhesion. It becomes possible to manufacture by a very simple method of bonding by bonding with an agent, and the manufacturing cost of the mold can be made extremely inexpensive.
- the heat-resistant inorganic adhesive is applied to both the mold body 130A and the heat exchange flow path forming block 140A, and then the mold body 130A.
- the mold body 130A and the heat exchange flow path forming block 140A can be firmly joined simply by heating in a state where the heat exchange flow path forming block 140A is pressed.
- the mold body 130A and the heat exchange flow path forming block 140A can be firmly joined by heating at a relatively low temperature up to 200 ° C. Therefore, in the process of joining the mold body 130A and the heat exchange flow path forming block 140A, the accuracy of the surface that defines part of the cavity S in the mold body 130A (the surface on which hot water contacts) is deteriorated. Disappears.
- the heat exchange flow path forming block 140A The length in the height direction is slightly longer than the length in the depth direction of the recess C of the mold body 130A.
- the bottom surface of the heat exchange flow path forming block 140A is ground, and the mold main body 1 30A and the heat exchange flow path forming block A step of eliminating the step from 140A may be further included.
- the heat exchange channel forming block 140A in the mold 120A according to the first embodiment can be circulated by itself independently of the mold body 130A.
- FIG. 2 is a view for explaining the mold 220A according to the second embodiment.
- FIG. 2 (a) is a cross-sectional view of the laminated mold 210 provided with the mold 220A
- FIG. 2 (b) is a top view of the mold 220A.
- the mold 220A includes a mold body having two recesses C 1 and C 2 (not shown) on the back side of the surface that defines a part of the cavity S. 230A and mold body
- Two heat exchange flow path forming blocks 240 having a shape corresponding to the recesses C and C of 230A
- Each recess C in the mold body 230A is related to the first embodiment.
- the mold 120A has the same shape as the recess C of the mold body 130A. Also, each
- the heat exchange flow path forming block 240A has the same configuration as the heat exchange flow path forming block 140A in the mold 120A according to the first embodiment.
- the heat exchange is performed by using the two heat exchange flow path forming blocks 240A and 240A, particularly when performing heat exchange in a large mold.
- the conversion efficiency is further improved.
- FIG. 3 is a view for explaining the mold 320A according to the third embodiment.
- FIG. 3 (a) is a cross-sectional view of the laminated mold 310 provided with the mold 320A
- FIG. 3 (b) is a top view of the mold 320A.
- a mold 320A according to Embodiment 3 includes two recesses C 1 and C 2 (not shown) that define a part of the cavity S, and the back side of these recesses C 1 and C.
- the mold 320A according to the third embodiment compared to the mold 220A according to the second embodiment, there is an effect that the concave portion C in the mold main body 330A can be easily formed.
- the number of heat exchange flow path forming blocks to be used can be reduced as compared with the mold 220A according to the second embodiment, so that the heat exchange flow path forming block is used.
- Manufacturing of 340A and joining work between the mold body 330A and the heat exchange flow path forming block 340A can be simplified.
- FIG. 4 is a view for explaining the mold 420A according to the fourth embodiment.
- Fig. 4 (a) is a cross-sectional view of a mating die 410 provided with a die 420A
- Fig. 4 (b) is a top view of a heat exchange channel forming block 440A used for the die 420A
- c) is a bottom view of the heat exchange channel forming block 440A used in the mold 420A.
- the mold 420A according to the fourth embodiment basically has the same structure as the mold 120A according to the first embodiment, but the structure of the heat exchange flow path forming block 440A is the same as that of the first embodiment. This is different from the heat exchange flow path forming block 140A in the mold 120A according to 1. That is, in the heat exchange flow path forming block 440A in the mold 420A according to the fourth embodiment, as shown in FIG. 4, a groove 442A is formed on the upper surface, and a through hole 444A communicating with the groove 442A is formed inside. Is formed. Therefore, unlike the heat exchange flow path forming block 140A in the mold 120A according to the first embodiment, a groove communicating with the groove 442A formed on the upper surface is formed on the side surface.
- a part of the structure of the heat exchange flow path forming block 440A is a heat exchange flow path forming block in the mold 120A according to the first embodiment.
- the force different from that of the lock 140A is the same as that of the mold 120A according to the first embodiment, and the same effect as that of the mold 120A according to the first embodiment is obtained.
- FIG. 5 is a view for explaining the mold 520A according to the fifth embodiment.
- Fig. 5 (a) is a cross-sectional view of a mating die 510 provided with a die 520A
- Fig. 5 (b) is a top view of a heat exchange flow path forming block 540A used for the die 520A
- c) is a longitudinal sectional view of a heat exchange channel forming block 540A used in the mold 520A.
- reference numeral 542A indicates a groove
- reference numeral 544A indicates a through hole
- the mold 520A according to the fifth embodiment has basically the same structure as the mold 420A according to the fourth embodiment, but the cross-sectional shape of the heat exchange channel forming block 540A is circular. (Accordingly, the cross-sectional shape of the recess C (not shown) of the mold body 530A is also circular) and
- the joining method of the exchange flow path forming block 540A is different from the case of the mold 420A according to the embodiment 4.
- the mold 520A is divided into the mold main body 530A and the heat exchange flow passage forming block 540A. Since the heat exchange flow path is formed between them, it is not necessary to cut out the inside of the mold to form the cooling flow path as in the case of the mold 420A according to the fourth embodiment. The manufacturing cost of the mold can be reduced. In addition, it becomes easy to form a heat exchange flow path at an appropriate location inside the mold, and a mold having sufficient cooling performance can be manufactured.
- the mold main body 530A and the heat exchange flow path forming block 540A are joined by using an O-ring, and thus the fourth embodiment
- the mold body is not exposed to high temperature and high pressure. For this reason, the accuracy of the concave portion (not shown) is not deteriorated, and the deterioration of the product quality can be suppressed.
- this makes it possible to form the recess C before the joining process, which simplifies the process of manufacturing the mold and facilitates reducing the manufacturing cost of the mold. .
- the mold 520A according to Embodiment 5 is manufactured by applying force to the mold body 530A and the heat exchange flow path forming block 540A. Therefore, an expensive and special discharge plasma sintering apparatus is used. It is no longer necessary to use a device, and the manufacturing cost of the mold can be reduced.
- an O-ring 560A is provided on the joint surface between the mold body 530A and the heat exchange flow path forming block 540A. Even when the working fluid leaks the heat exchange channel force, this fluid will not leak outside the recess force of the mold body, increasing safety.
- FIG. 6 is a view for explaining the mold 620A according to the sixth embodiment.
- Fig. 6 (a) is a cross-sectional view of a mating die 610 provided with a die 620A
- Fig. 6 (b) is a top view of a heat exchange flow path forming block 640A used in the die 620A
- c) is a longitudinal sectional view of a heat exchange channel forming block 640A used in the mold 620A.
- the mold 620A according to the sixth embodiment has basically the same structure as the mold 120A according to the first embodiment, but the heat exchange flow path forming block 640A has a flow for heat exchange. This is different from the mold 120A according to the first embodiment in that a hole 642A constituting a heat exchange channel is formed inside instead of a groove for forming a channel.
- the structural force of the heat exchange flow path forming block 640A is different from that of the mold 120A according to the first embodiment. Since the mold body 630A and the heat exchange flow path forming block 640A are divided into the heat exchange flow path forming block 640A, the holes 642A constituting the heat exchange flow path are formed inside. As in the case of the mold 120A according to 1, it is not necessary to cut out the inside of the mold (mold body) to form a cooling flow path, and the manufacturing cost of the mold can be reduced. In addition, it becomes easy to form a heat exchange channel at an appropriate location inside the mold. A mold having sufficient cooling performance can be manufactured.
- the mold 620A according to Embodiment 6 has the same configuration as that of the mold 120A according to Embodiment 1 in the other respects. Therefore, the effect of the mold 120A according to Embodiment 1 is obtained. Keep it.
- FIG. 7 is a view for explaining the mold 720A according to the seventh embodiment.
- Fig. 7 (a) is a cross-sectional view of a mating die 710 provided with a die 720A
- Fig. 7 (b) is a top view of a heat exchange flow path forming block 740A used for the die 720A
- c) is a longitudinal sectional view of a heat exchange channel forming block 740A used in the mold 720A.
- the mold 720A according to the seventh embodiment has basically the same structure as the mold 620A according to the sixth embodiment, but the mold body 730A and the heat exchange flow path forming block 740A. Are different from the case of the mold 620A according to the sixth embodiment in that they are joined by using an O-ring.
- the method of joining the mold main body 730A and the heat exchange flow path forming block 740A is different from that in the mold 620A according to the sixth embodiment.
- Dividing the mold 720A into the mold body 730A and the heat exchange flow path forming block 740A, and forming the hole 742 A constituting the heat exchange flow path inside the heat exchange flow path forming block 740A thus, as in the case of the mold 620A according to the sixth embodiment, it is not necessary to cut out the inside of the mold to form a cooling flow path, and the manufacturing cost of the mold can be reduced. In addition, it becomes easy to form a heat exchange channel at an appropriate location inside the mold, and a mold having sufficient cooling performance can be manufactured.
- the mold 720A according to the seventh embodiment has the same configuration as that of the mold 620A according to the sixth embodiment except for the above, and thus the effect of the mold 620A according to the sixth embodiment. As it is. [Embodiment 8]
- FIG. 8 is a view for explaining the molds 820C and 820D according to the eighth embodiment.
- Fig. 8 (a) is a partial cross-sectional view of a die 810 equipped with dies 820C and 820D and other dies 820A and 820B
- Fig. 8 (b) is a cross-sectional view of A3-A3 in Fig. 8 (a).
- FIG. 8C is an exploded perspective view of the die 810.
- FIG. 9 is a view for explaining the mold 820C among the molds 820C and 820D according to the eighth embodiment.
- Fig. 9 (&) is a side view of the die body 830 that can run on the die 820
- Fig. 9 (b) is a side view of the block 840C for forming a heat exchange channel in the die 820C.
- 9 (c) is a photograph of the mold body 830C in the mold 820C taken from an oblique direction
- FIGS. 9 (d) and 9 (e) show the heat exchange flow path forming block 840C in the mold 820C in different directions. This is a photograph taken.
- FIG. 10 is a view for explaining the mold 820D among the molds 820C and 820D according to the eighth embodiment.
- Fig. 10 (&) is a side view of the mold main body 8300 that runs on the mold 8200
- Fig. 10 (b) is a side view of the heat exchange flow path forming block 840D in the mold 820D.
- FIG. 10 (c) and FIG. 10 (d) are photographs of the mold body 830D and the heat exchange channel forming block 840D in the mold 820D, respectively, taken with different angular forces.
- FIG. 8 FIG. 9 (a), FIG. 9 (b), FIG. 10 (a), and FIG. 10 (b)
- a part of the groove and the through hole in the mold 820C, 82 OD are omitted. I will do it.
- the die 810 in Embodiment 8 is a die for manufacturing a cylindrical aluminum die-cast product, and as shown in FIG. 8, the die 820A, the die 820B, the die 820C. And mold 820D. Therefore, the mold 820C and the mold 820D according to the eighth embodiment are different from the molds 120A to 720A according to the first to seventh embodiments in the shape and structure of the mold.
- the molds 820C and 820D according to the eighth embodiment are different from the molds 120A-720A according to the first embodiment 11-7, except for the shape and structure of the molds.
- 820C and 820D correspond to the mold body 830C and 830D, which has a recess on the back side of the part where heat exchange is desired, and the recess of the mold body 830C and 830D, respectively.
- Heat exchange flow path forming blocks 840C and 840D having the shape to be formed.
- grooves 842C and 842D for forming a heat exchange flow path are formed.
- the mold bodies 830C and 830D and the heat exchange channel forming blocks 840C and 840D are bonded to each other with a heat-resistant inorganic adhesive.
- the molds 820C, 820D are divided into mold bodies 830C, 830D and heat exchange flow path forming blocks 840C, 840D. Since the heat exchange flow path is formed during this time, it is not necessary to cut out the inside of the mold to form the cooling flow path, and the manufacturing cost of the mold can be reduced. Further, it becomes easy to form a cooling flow path at an appropriate location inside the mold, and a mold having sufficient cooling performance can be manufactured.
- the mold main bodies 830C and 830D and the heat exchange flow path forming blocks 840C and 840D are bonded with a heat-resistant inorganic adhesive. Are joined. For this reason, the mold body is not exposed to high temperature and high pressure. For this reason, the accuracy of the surface that defines part of the cavity S (not shown) (the surface that comes into contact with hot water) is not deteriorated, and deterioration of the product quality can be suppressed. In addition, this makes it possible to form the surface that defines part of the cavity S (the surface that contacts the hot water) before the joining process, which simplifies the process of manufacturing the mold. This makes it possible to easily reduce the manufacturing cost of
- the molds 820C and 820D according to Embodiment 8 are obtained by bonding the mold main bodies 830C and 830D and the heat exchange flow path forming blocks 840C and 840D by bonding them with a heat-resistant inorganic adhesive. Therefore, it is not necessary to use an expensive and special discharge plasma sintering apparatus, and the manufacturing cost of the mold can be reduced.
- the joining surfaces of the mold bodies 830C and 830D and the heat exchange flow path forming blocks 840C and 840D are both curved surfaces, they can be satisfactorily joined without problems using a heat-resistant inorganic adhesive.
- grooves may be formed in the recesses of the mold body, but it is actually not easy to process the grooves in the recesses.
- the heat exchange flow path forming block 840C, 840D [the groove 842C, 842D (see FIG. 9 (e) and FIG. 10 (d) )) Is formed, the grooves are processed with respect to the convex portions, so that the grooves can be easily formed.
- a grooved end It can be performed by cutting.
- the heat exchange flow path forming blocks 840C and 840D have holes formed in the grooves 842C and 842D to serve as heat exchange flow paths (not shown). Z.) is formed. For this reason, the heat exchange flow path can be formed three-dimensionally, and the heat exchange flow path in the mold can be easily designed and arranged.
- the joint surfaces of the mold main bodies 830C and 830D and the heat exchange flow path forming blocks 840C and 840D are exposed to the bottom surfaces of the molds 820C and 820D. ing.
- the portion where the joint surface is exposed is more stably supported by the slide core than when the joint surface is exposed on the side surface of the mold. Will be.
- the leakage of the heat exchange fluid is suppressed as much as possible.
- the part where the joint surface is exposed is the surface that defines a part of the cavity S (the surface that contacts the hot water) and is farthest away from the surface. Even in this case, the occurrence of damage to the molds and product defects can be suppressed as much as possible.
- the slide core is a member that supports the bottom surfaces of the molds 820C and 820D.
- FIG. 11 is a view for explaining the molds 920A, 920B, 920C, and 920D according to the ninth embodiment.
- Fig. 11 is a partial cross-sectional view of a matching die 910 having the molds 9208, 920B, 920C, and 920D
- Fig. 11 (b) is a cross-sectional view of the mold 920A in the A4-A4 cross section of Fig. 11 (a).
- FIG. 11 (c) is an exploded perspective view of the matching mold 910.
- FIG. 11 is a partial cross-sectional view of a matching die 910 having the molds 9208, 920B, 920C, and 920D
- Fig. 11 (b) is a cross-sectional view of the mold 920A in the A4-A4 cross section of Fig. 11 (a).
- FIG. 11 (c) is an exploded perspective view of the matching mold 910.
- FIG. 11 is a partial cross-sectional view of a matching die
- the molds 920C and 920D according to Embodiment 9 have the same configuration as the molds 820C and 820D according to Embodiment 8.
- the molds 920A and 920B according to Embodiment 9 The other molds in 8 are different in structure from 820A and 820B. That is, in the molds 920A and 920B according to the ninth embodiment, as shown in FIG. 11 (b) or FIG. 11 (c), the mold body 930A having a recess on the back side of the part to be subjected to the force heat exchange, respectively. , 930B, and heat exchange flow path forming blocks 94 OA, 940B having shapes corresponding to the recesses of the mold bodies 930A, 930B.
- the heat exchange flow path forming blocks 940A and 940B 1Kb), grooves 942A and 942B (groove 942B are not shown) for forming heat exchange channels and through holes 944A and 944B (not shown) communicating with the grooves 942A and 942B are formed. Is formed.
- the mold bodies 930A and 930B and the heat exchange flow path forming blocks 94OA and 940B are bonded to each other with a heat-resistant inorganic adhesive.
- FIG. 11 (a) and FIG. 11 (c) the grooves and through holes in the molds 920A and 920B are omitted.
- the matching mold 910 in the ninth embodiment is not limited to the molds 920C and 920D but also the molds 920A and 920B.
- Mold body 930A, 930B having a shape corresponding to the recesses of the mold body 930A, 930B, and heat exchange flow path formed with grooves 942A, 942B for forming a heat exchange flow path
- This is a laminated die provided with forming blocks 940A and 940B.
- the mating die 910 in the ninth embodiment is a mating die having further excellent cooling performance as compared with the mating die 810 in the eighth embodiment.
- the molds 920A and 920B according to Embodiment 9 have a joining surface between the mold main bodies 930A and 930B and the heat exchange flow path forming blocks 940A and 940B, as shown in FIG. 11 (c). Force configured to be exposed only to the bottom surface It is not limited to this, and the joint surface may be exposed to the side surface of the mold in addition to the bottom surface of the mold.
- the process of forming a predetermined recess on the back side of the part to be heat exchanged in the mold is provided to the customer, and the customer is provided with the predetermined recess. And a step of supplying a heat exchange flow path forming block having a corresponding shape.
- the mold manufacturing method according to the tenth embodiment it is possible to improve the cooling performance of the mold that the customer is currently using or intends to use by a simple method. That is, in such a case, the customer is allowed to form a predetermined recess on the back side of the portion where the cooling performance of the mold is to be improved, and then the customer is provided with a shape corresponding to the predetermined recess.
- the heat exchange flow path forming block is supplied.
- the mold body in which a predetermined recess is formed under the customer and the heat exchange flow path forming block supplied to the customer As a result, the cooling performance of the mold is easily improved.
- the mold manufacturing method according to the tenth embodiment the mold suitable for manufacturing the mold according to the present invention including the mold according to any one of the first to ninth embodiments.
- the manufacturing method is as follows.
- the mold, the manufacturing method of the mold, the block for forming a heat exchange channel, and the molded product of the present invention have been described based on the above embodiments.
- the present invention is not limited to the above embodiments. Without departing from the scope of the invention, it can be carried out in various modes within the scope thereof, and for example, the following modifications are possible.
- the heat exchange channel is used as the cooling channel, but the present invention is not limited to this.
- a heat exchange channel can also be used as a heating channel.
- the mold is used as a die casting mold for aluminum fabrication, but the present invention is not limited to this.
- the mold can be used for zinc casting, magnesium casting, and other die casting molds.
- the mold can be used as a mold for molding various glass products, a mold for molding various rubber products, a mold for molding various resin products, and other molds.
- the force described for the case where the groove for forming the heat exchange channel is formed in the heat exchange channel forming block is not limited to this. Yes.
- a groove for forming the heat exchange flow path may be formed in the mold body, or may be formed in both the mold body and the heat exchange flow path forming block.
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Abstract
Description
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PCT/JP2004/013468 WO2006030503A1 (ja) | 2004-09-15 | 2004-09-15 | 金型、金型の製造方法、熱交換流路形成用ブロック及び成形製品 |
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JP2008264809A (ja) * | 2007-04-18 | 2008-11-06 | Kowa Dennetsu Keiki:Kk | 内部強制冷却金型入子 |
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WO2012165414A1 (ja) | 2011-05-31 | 2012-12-06 | 株式会社 旭 | 成形装置及び成形製品の製造方法 |
JP5877884B1 (ja) * | 2014-09-17 | 2016-03-08 | 哲朗 千葉 | ダイレクトブロー金型の底ブッシュまたは2軸延伸ブロー金型の首ブッシュの作製方法 |
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KR101483801B1 (ko) * | 2006-07-17 | 2015-01-21 | 마그나 인터내셔널 인코포레이티드 | 열간 성형 다이 및 그 제조 방법과 공작물 열간 성형 방법 |
KR101504467B1 (ko) | 2006-07-17 | 2015-03-19 | 마그나 인터내셔널 인코포레이티드 | 열간 성형 다이 및 그 제조 방법과 공작물 열간 성형 방법 |
JP2008264809A (ja) * | 2007-04-18 | 2008-11-06 | Kowa Dennetsu Keiki:Kk | 内部強制冷却金型入子 |
JP2010162822A (ja) * | 2009-01-19 | 2010-07-29 | Japan Steel Works Ltd:The | 金型装置 |
WO2012165414A1 (ja) | 2011-05-31 | 2012-12-06 | 株式会社 旭 | 成形装置及び成形製品の製造方法 |
JP5877884B1 (ja) * | 2014-09-17 | 2016-03-08 | 哲朗 千葉 | ダイレクトブロー金型の底ブッシュまたは2軸延伸ブロー金型の首ブッシュの作製方法 |
JP2016060095A (ja) * | 2014-09-17 | 2016-04-25 | 哲朗 千葉 | ダイレクトブロー金型の底ブッシュまたは2軸延伸ブロー金型の首ブッシュの作製方法 |
JP2020185599A (ja) * | 2019-05-16 | 2020-11-19 | 株式会社メッツ | 鋳造装置 |
WO2020230902A1 (ja) * | 2019-05-16 | 2020-11-19 | 株式会社メッツ | 鋳造装置 |
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