CN109397659B - Die with efficient cooling waterway - Google Patents
Die with efficient cooling waterway Download PDFInfo
- Publication number
- CN109397659B CN109397659B CN201811616121.3A CN201811616121A CN109397659B CN 109397659 B CN109397659 B CN 109397659B CN 201811616121 A CN201811616121 A CN 201811616121A CN 109397659 B CN109397659 B CN 109397659B
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- Prior art keywords
- waterway
- fixed die
- plate
- insert
- die insert
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- 238000001816 cooling Methods 0.000 title claims abstract description 16
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 56
- 239000000498 cooling water Substances 0.000 claims abstract description 22
- 239000004033 plastic Substances 0.000 claims abstract description 22
- 238000000465 moulding Methods 0.000 claims abstract description 6
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 28
- 238000007789 sealing Methods 0.000 claims description 19
- 229910052742 iron Inorganic materials 0.000 claims description 14
- 230000000149 penetrating effect Effects 0.000 claims description 4
- 230000002457 bidirectional effect Effects 0.000 claims description 3
- 230000007547 defect Effects 0.000 claims description 2
- 238000002955 isolation Methods 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 230000002035 prolonged effect Effects 0.000 abstract description 2
- 238000004140 cleaning Methods 0.000 abstract 1
- 238000012423 maintenance Methods 0.000 abstract 1
- 238000009757 thermoplastic moulding Methods 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 7
- 238000002347 injection Methods 0.000 description 4
- 239000007924 injection Substances 0.000 description 4
- 229920001973 fluoroelastomer Polymers 0.000 description 3
- 230000002093 peripheral effect Effects 0.000 description 3
- 238000005553 drilling Methods 0.000 description 2
- 238000001746 injection moulding Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
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
- 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
- B29C45/26—Moulds
- B29C45/2602—Mould construction elements
-
- 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
- B29C2045/7318—Construction of heating or cooling fluid flow channels multilayered fluid channel constructions
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The mold with efficient cooling water path belongs to the field of thermoplastic molding mold, and includes one water path for the mold to form and mold insert layer by layer to realize stable mold forming temperature and homogeneous cooling; secondly, the U-shaped connecting groove is used for connecting the cooling water well, so that the die structure is simplified, and the die waterway cleaning and maintenance are facilitated; thirdly, the position of the water-proof sheet is ensured to be accurate through the arrangement of the two-way hanging table of the water-proof sheet 23, so that position deviation is avoided, the same water flow sectional area of each part of the waterway is ensured, and the cooling water flow speed is ensured to be uniform and the integral temperature of the insert is ensured to be stable; through the implementation of the three points, the stable molding of the deep cavity plastic product is realized, the uniform cooling and the constant temperature of each part of the mold are ensured, the size and the quality of the plastic product are ensured, the mold space is effectively utilized, the mold cost is reduced, the production efficiency is improved, the service life of the mold is prolonged, and the reject ratio of the product is reduced.
Description
Technical Field
The invention belongs to the field of thermoplastic plastic forming dies, and relates to a die provided with an efficient cooling water channel, which is mainly applied to a forming die with a deep cavity plastic product.
Background
The plastic product has the advantages of low cost, strong plasticity and the like, is widely applied in national economy, has extremely important position in the current world, and has become a large country for producing plastic products in the world. In the face of the intense competition of the mould injection industry, the cost of the mould and the injection production is of great importance, if a cooling water path arranged in the mould is unreasonable, the service life of the mould can be influenced, and the cost of the mould and the injection production can be increased. The cooling waterway of the mold usually refers to a through hole machined in a mold frame and an insert of the plastic mold, and circulates in the mold through a certain medium (such as water and oil), the setting of the mold cooling system is conventionally realized by arranging a through waterway, arranging the through waterway parallel to the periphery of the insert according to the peripheral shape of the insert, connecting the intersecting waterways in the insert, and arranging a water outlet and a water inlet.
Disclosure of Invention
The invention aims to provide a die with efficient cooling water ways, wherein the cooling water ways are respectively arranged on all die plates of a die structure, and meanwhile, the cooling water ways arranged on all die plates are distributed according to the specific die structure, so that all parts of a plastic product are uniformly cooled.
The invention aims to solve the technical problems in the forming die of the deep cavity plastic product by arranging the die with the efficient cooling water channel, shorten the cooling period, ensure that the product is cooled uniformly and smoothly to be demolded, meet the technical requirements and the use requirements, and reduce the cost of the die and the injection molding.
The technical scheme of the invention is as follows: mould with high-efficient cooling water route, its structure includes: a fixed die bottom plate 1, a runner plate 2, a fixed die plate 3, a movable die plate 4, a movable die backing plate 5, square iron 6, a movable die bottom plate 7, a face needle plate 8, a bottom needle plate 9, a first waterway 10, a second waterway 11, a third waterway 12, a fourth waterway 13, a fifth waterway 14, a sixth waterway 15, a seventh waterway 16, a first fixed die insert 17, a second fixed die insert 18, a slider group 19, a first movable die insert 20, a second movable die insert 21, a water transporting block 22 and a water blocking piece 23; the connection relation of the die provided with the efficient cooling waterway is that the surface contact of the fixed die bottom plate 1 and the runner plate 2 is locked and fixed by bolts; the runner plate 2 is in surface contact with the fixed die plate 3, the fixed die plate 3 is in surface contact with the movable die plate 4, four guide posts are arranged on the runner plate 2, four fixed die guide sleeves are arranged on the fixed die plate 3, four movable die guide sleeves are arranged on the movable die plate 4, the guide posts are respectively in sliding fit with the fixed die guide sleeves and the movable die guide sleeves to limit the relative movement directions of the runner plate 2, the fixed die plate 3 and the movable die plate 4, and meanwhile, the guide posts play a role in guiding in the movement process of the die plates; the movable mould plate 4 is in surface contact with the movable mould base plate 5 and is locked and fixed by bolts; the movable die bottom plate 7 is in surface contact with the square iron 6 and is locked and fixed by bolts; the square iron 6 is in surface contact with the movable die backing plate 5, and bolts penetrate through the movable die bottom plate 7 and the square iron 6 to lock and fix the movable die backing plate 5; the surface needle plate 8 is in surface contact with the bottom needle plate 9 and is locked and fixed by bolts; the first waterway 10 penetrates through the runner plate 2, a hot runner system is arranged on the runner plate 2, the first waterway 10 is a straight-through square annular waterway, the first waterway 10 is arranged around the hot runner system, and the distance between the first waterway 10 and the outermost edge of the hot runner system is 5-20 mm; the fixed die plate 3 is internally provided with a first fixed die insert 17 and a second fixed die insert 18, and the first fixed die insert 17 and the second fixed die insert 18 are in surface contact with the fixed die plate 3 and are locked and fixed by bolts; the second waterway 11 and the third waterway 12 penetrate through the fixed die plate 3, the first fixed die insert 17 and the second fixed die insert 18, the die provided with the efficient cooling waterway is a die with four dies, the first fixed die insert 17 and the first movable die insert 20 are used for forming two plastic products, the second fixed die insert 18 and the second movable die insert 21 are used for forming other two plastic products, the arrangement trend modes of the second waterway 11 and the third waterway 12 are the same, the waterways of the second waterway 11 and the third waterway 12 are respectively communicated with the first fixed die insert 17 through the fixed die plate 3, the first fixed die insert 17 is communicated with the fixed die plate 3 through the fixed die plate 3 and the water carrying block 22, the fixed die plate 3 is communicated with the second fixed die insert 18 through the water carrying block 22, and the fixed die plate 3 is communicated with the second fixed die insert 18 through the second fixed die insert 18, and thus two groups of connecting waterways are formed; the second waterway 11 is connected with a waterway junction surface provided with a circular sealing ring groove, the junction surface is a contact surface of the waterway junction of the fixed die plate 3 and the first fixed die insert 17 and a contact surface of the waterway junction of the fixed die plate 3 and the second fixed die insert 18, a fluororubber sealing ring is placed in the sealing ring groove to prevent water leakage of the waterway junction, twelve cold water wells are arranged in the third waterway 12, the cold water wells are respectively arranged in the first fixed die insert 17 and the second fixed die insert 18, a water-blocking sheet 23 is arranged in the center of the cold water well, the water-blocking sheet 23 is provided with a bidirectional hanging table, the first fixed die insert 17 and the second fixed die insert 18 are provided with water-blocking sheet hanging table counter bores, the first fixed die insert 17 and the second fixed die insert 18 are provided with water-proof sheet hanging table counter bores and water-proof sheet 23 hanging table matching gaps which are guaranteed to be between 0.01 and 0.1mm, two U-shaped connecting grooves are respectively formed in the first fixed die insert 17 and the second fixed die insert 18, four cold water wells distributed in the waterway centers of the first fixed die insert 17 and the second fixed die insert 18 are respectively connected in pairs, the first fixed die insert 17 and the second fixed die insert 18 are provided with oval sealing ring grooves, the oval sealing ring grooves are formed in the peripheries of the two cold water wells to be connected by the U-shaped connecting grooves, the distance between each oval sealing ring groove and the cold water well is 2-5 mm, and fluororubber sealing rings are placed in the oval sealing ring grooves to prevent water leakage at waterway junction positions; the second waterway 11 arranged in the water transporting block 22 is a straight waterway penetrating through the water transporting block 22, the third waterway 12 arranged in the water transporting block 22 is a straight waterway processed on the surface of the water transporting block 22, parallel waterways in the two fixed templates 3 are connected, an oval sealing ring groove is arranged on the water transporting block 22 and is arranged on the periphery of the straight waterway, the distance between the oval sealing ring groove and a cold water well is 2-5 mm, and a fluororubber sealing ring is placed in the oval sealing ring groove to prevent water leakage at the junction of the waterways; the fourth waterway 13 penetrates through the slide block group 19, the slide block group 19 comprises eight slide blocks, and the fourth waterway 13 is a straight waterway and is distributed near the molding surface of the slide block group 19; the fifth waterway 14 penetrates through the movable die plate 4, the first movable die insert 20 and the second movable die insert 21, the fifth waterway 14 is a double-layer stepped straight waterway, the waterway of the fifth waterway 14 is divided into a sky waterway and a ground waterway along with the internal shape processing of the first movable die insert 20 and the second movable die insert 21, the sky waterway is communicated with the first movable die insert 20 through the movable die plate 4, the ground waterway is communicated with the second movable die insert 21 through the movable die plate 4, and the outlet of the ground waterway is communicated with the inlet of the sky waterway through a hose to form a complete waterway loop; the sixth waterway 15 penetrates through the movable die pad 5, and the sixth waterway 15 is a straight-through annular waterway; the seventh waterway 16 is arranged in the square iron 6, and the seventh waterway 16 is a straight waterway.
The cooling principle of the die with the efficient cooling waterway is as follows: the first waterway 10 is arranged on the runner plate 2, a hot runner system is arranged on the runner plate 2, flowing high-pressure cooling water flows in the runner plate 2, so that redundant heat generated by the hot runner system in the runner plate 2 can be effectively taken away, and the temperature of the hot runner plate 2 is effectively controlled to ensure the service life and efficiency of the hot runner system; the second waterway 11 and the third waterway 12 penetrate through the fixed die plate 3, the first fixed die insert 17 and the second fixed die insert 18, wherein the first fixed die insert 17 and the second fixed die insert 18 form a fixed die part of a plastic product, the second waterway 11 surrounds the periphery of the fixed die forming part of the plastic product, a cold water well part of the third waterway 12 is arranged at the insert center of the first fixed die insert 17 and the second fixed die insert 18, the third waterway 12 intensively cools the central forming part of the plastic product, heat is not concentrated, and various plastic product defects caused by uneven cooling are prevented; the fourth waterway 13 is arranged in the slide block group 19, so that the inverted buckle part of the plastic product formed by the slide block group 19 is guaranteed to be uniformly cooled, and deformation of the inverted buckle forming part of the plastic product is prevented from affecting the size and the usability of the product; the fifth waterway 14 is arranged in the movable mould plate 4, so that the temperatures of the movable mould plate 4, the first movable mould insert 20 and the second movable mould insert 21 are uniform, and the upper layer and the lower layer of the first movable mould insert 20 and the second movable mould insert 21 are ensured to have no temperature difference; the sixth waterway 15 is arranged in the movable die cushion plate 5, so that the temperature of the movable die cushion plate 5 is guaranteed to be the same as that of the movable die plate 4, the seventh waterway 16 is arranged in the square iron 6, so that the temperature of the square iron 6 is guaranteed to be the same as that of the movable die cushion plate 5, and the heat transfer caused by temperature difference is prevented from indirectly influencing the temperature of a plastic product.
The beneficial effects of the invention are as follows: firstly, arranging waterways layer by layer on each template and each insert in an injection mold according to the mechanism characteristics of the waterways, so as to realize the integral molding temperature stabilization of the mold and ensure that each molding part is uniformly cooled; secondly, the U-shaped connecting groove is used for connecting the cooling water well, so that the die structure is simplified, and the die waterway is convenient to clean and maintain; thirdly, the position of the water-proof sheet is ensured to be accurate through the arrangement of the two-way hanging table of the water-proof sheet 23, so that the position deviation caused by the fact that the conventional water-proof sheet is installed for many times without positioning is avoided, meanwhile, the water flow sectional areas of all parts of a waterway are ensured to be the same, and the cooling water flow speed is ensured to be stable in the whole temperature of the insert; through the implementation of the three points, the stable molding of the deep cavity plastic product is realized, the uniform cooling and the constant temperature of each part of the mold are ensured, the size and the quality of the plastic product are ensured, the mold space is effectively utilized, the mold cost is reduced, the production efficiency is improved, the service life of the mold is prolonged, and the reject ratio of the product is reduced.
Drawings
The following is a detailed description of embodiments with reference to the accompanying drawings.
Fig. 1 is an assembly schematic diagram of a mold provided with an efficient cooling water path.
Fig. 2 is a second schematic diagram of the assembly of a mold with an efficient cooling water path.
Fig. 3 is a schematic diagram III of a second water channel 11 of the mold provided with an efficient cooling water channel.
Fig. 4 is a schematic diagram of a third water channel 12 of the mold provided with an efficient cooling water channel.
Fig. 5 is a schematic diagram showing the assembly of the mold spacer 23 provided with an efficient cooling water path.
Fig. 6 is a schematic diagram six of a fourth water channel 13 of the mold provided with an efficient cooling water channel.
Fig. 7 is a schematic diagram seven of a fifth water channel 14 of the mold provided with an efficient cooling water channel.
In the figure: 1, fixing a die bottom plate; 2, a runner plate; 3, fixing the template; 4, moving the template; 5, a movable die backing plate; 6 square iron; 7, a movable die bottom plate; 8-face needle plates; 9 bottom needle plates; 10 a first waterway; 11 a second waterway; 12 a third waterway; 13 a fourth waterway; 14 a fifth waterway; 15 a sixth waterway; 16 a seventh waterway; 17 a first stationary mold insert; 18 a second stationary mold insert; 19 a slider group; 20 a first movable die insert; a second movable die insert 21; 22 water transport blocks; 23 water-proof sheets.
Description of the embodiments
Specific embodiments of the invention are described in detail below with reference to the technical text and the accompanying drawings.
In the die insert machining process, when the first fixed die insert 17 and the second fixed die insert 18 are machined in a waterway, a straight waterway is machined by utilizing a drilling machine, a cooling water well is machined by utilizing a milling machine, and a U-shaped connecting groove and a sealing ring groove are machined by utilizing a machining center; when the water block 22 is processed, the through waterway of the second waterway 11 is processed by a drilling machine, and the parallel waterway and the seal ring groove are processed by a processing center (see fig. 3, 4, 6 and 7).
When the mold is assembled, a guide post is assembled in a guide post hole processed by the runner plate 2, a bolt penetrates through the fixed mold bottom plate 1 to lock and fix the runner plate 2, the first fixed mold insert 17 and the second fixed mold insert 18 are assembled in a cavity processed by the fixed mold plate 3, the bolt penetrates through the fixed mold plate 3 to lock and fix the first fixed mold insert 17 and the second fixed mold insert 18 with the fixed mold plate 3, the fixed mold guide sleeve is assembled in a guide sleeve hole processed by the fixed mold plate 3, the guide post penetrates through the fixed mold guide sleeve runner plate 2 and the fixed mold plate 3 to be connected and assembled by the guide post guide sleeve, a water-proof sheet 23 is assembled in a cold water well processed by the first fixed mold insert 17 and the second fixed mold insert 18, and a water-proof sheet 23 bidirectional hanging table is assembled in a water-proof sheet hanging table counter bore processed by the first fixed mold insert 17 and the second fixed mold insert 18 (see FIG. 5); the first movable die insert 20 and the second movable die insert 21 are assembled in a cavity machined by the movable die plate 4, bolts penetrate through the movable die plate 4 to lock and fix the first movable die insert 20 and the second movable die insert 21 with the movable die plate 4, the sliding block group 19 is assembled in the cavity machined by the movable die plate 4, the movable die guide sleeve is assembled in a guide sleeve hole machined by the movable die cushion plate 5, the movable die guide sleeve penetrates through a guide sleeve through hole machined by the movable die plate 4, bolts penetrate through the movable die cushion plate 5 to lock and fix the movable die plate 4, bolts penetrate through the movable die bottom plate 7 to lock and fix the movable die plate 6, bolts penetrate through the bottom needle plate 9 to lock and fix the movable die plate 8, and bolts penetrate through the movable die bottom plate 7 and the square iron 6 to lock and fix the movable die cushion plate; the fixed mould part comprises a fixed mould bottom plate 1, a runner plate 2 and a fixed mould plate 3, the movable mould part comprises a movable mould plate 4, a movable mould base plate 5, square iron 6, a movable mould bottom plate 7, a face needle plate 8 and a bottom needle plate 9, the fixed mould part and the movable mould part are assembled and connected by a guide post, the guide post penetrates through a movable mould guide sleeve on the movable mould plate 4 and the movable mould base plate 5, the fixed mould plate 3 is in surface contact with the movable mould plate 4, and the mould assembly is completed (see figures 1 and 2).
The specific waterway trend process is as follows: the mold is arranged on an injection molding machine, water flows pass through the mold temperature machine and enter a mold cooling system through a hose, the mold adopts the design of eight water inlets and eight water outlets, the first water inlet is connected with a first water channel 10, and the flow passes through a runner plate 2 to ensure the mold temperature of the plate (see figures 1 and 2); the second water inlet is connected with a second water channel 11 and flows through the fixed die plate 3, the first fixed die insert 17 and the second fixed die insert 18 to cool the peripheral temperature of the insert (see figure 3); the third water inlet is connected with a third water way 12 and flows through the fixed die plate 3, the first fixed die insert 17 and the second fixed die insert 18 to cool the center temperature of the insert (see FIG. 4); the fourth water inlet is connected with the fifth water channel 14 and flows through the movable die plate 4, the first movable die insert 20 and the second movable die insert 21 to cool the peripheral temperature of the inserts (see fig. 7); the fifth water inlet and the sixth water inlet are connected with the fourth water channel 13 to respectively flow through the sliding block group 19 component on the operation side of the die and the sliding block group 19 component on the non-operation side to form a back-off part formed by two loop cooling sliding block groups 19 (see fig. 6); the seventh water inlet flows through the movable mould backing plate 5 to ensure that the temperature of the movable mould backing plate 5 is the same as that of the movable mould plate 4 (see figures 1 and 2); the eighth water inlet flows through the square iron 6 to ensure that the temperature of the square iron 6 is the same as that of the movable die cushion plate 5 (see figures 1 and 2).
While the foregoing is directed to the preferred embodiments of the present invention, it should be noted that modifications and variations could be made by those skilled in the art without departing from the technical principles of the present invention, and such modifications and variations should also be regarded as being within the scope of the invention.
Claims (1)
1. Mould with high-efficient cooling water route, its characterized in that its structure includes: a fixed die bottom plate (1), a runner plate (2), a fixed die plate (3), a movable die plate (4), a movable die base plate (5), square iron (6), a movable die bottom plate (7), a face needle plate (8), a bottom needle plate (9), a first waterway (10), a second waterway (11), a third waterway (12), a fourth waterway (13), a fifth waterway (14), a sixth waterway (15), a seventh waterway (16), a first fixed die insert (17), a second fixed die insert (18), a sliding block group (19), a first movable die insert (20), a second movable die insert (21), a water conveying block (22) and a water isolation sheet (23); the connection relation is that a first waterway (10) penetrates through a runner plate (2), a hot runner system is arranged on the runner plate (2), the first waterway (10) is a straight-through square annular waterway, and the first waterway (10) is arranged around the hot runner system and is 5-20 mm away from the outermost edge of the hot runner system; a first fixed die insert (17) and a second fixed die insert (18) are arranged in the fixed die plate (3), and the first fixed die insert (17) and the second fixed die insert (18) are in surface contact with the fixed die plate (3) and locked and fixed by bolts; the second waterway (11) and the third waterway (12) penetrate through the fixed die plate (3), the first fixed die insert (17) and the second fixed die insert (18), the second waterway (11) surrounds the periphery of the fixed die forming part of the plastic product, the cold water well part of the third waterway (12) is arranged in the center of the insert of the first fixed die insert (17) and the second fixed die insert (18), the third waterway (12) intensively cools the center forming part of the plastic product, heat is not concentrated, various plastic product defects caused by uneven cooling are prevented, the arrangement trend modes of the second waterway (11) and the third waterway (12) are the same, the second waterway (11) and the third waterway (12) are communicated with the first fixed die insert (17) through the fixed die plate (3), the first fixed die insert (17) is communicated with the fixed die plate (3) through the fixed die insert (22), the plate (3) is communicated with the plate (3) through the fixed die carrier (22), and the fixed die plate (3) is communicated with the fixed die (18) through the fixed die plate (3), and the fixed die (18) is communicated with the fixed die plate (18) through the fixed die plate (3) through the fixed die; the connecting surface of the second waterway (11) is provided with a circular sealing ring groove, the connecting surface is a contact surface of the waterway junction of the fixed die plate (3) and the first fixed die insert (17) and a contact surface of the waterway junction of the fixed die plate (3) and the second fixed die insert (18), twelve cold water wells are arranged in the third waterway (12), the cold water wells are respectively arranged in the first fixed die insert (17) and the second fixed die insert (18), the centers of the cold water wells are provided with a water-proof sheet (23), the water-proof sheet (23) is provided with a bidirectional hanging table, the first fixed die insert (17) and the second fixed die insert (18) are provided with water-proof sheet hanging table counter bores, the first fixed die insert (17) and the second fixed die insert (18) are provided with water-proof sheet hanging table counter bores and water-proof sheet (23) hanging table matching gaps which are guaranteed to be between 0.01 and 0.1mm, two U-shaped connecting grooves are respectively formed in the first fixed die insert (17) and the second fixed die insert (18), the U-shaped connecting grooves are used for connecting four cold water wells distributed in the waterway centers of the first fixed die insert (17) and the second fixed die insert (18) in pairs, an oval sealing ring groove is formed in the periphery of the two cold water wells connected by the U-shaped connecting grooves, and the distance between the oval sealing ring groove and the cold water well is 2-5 mm; the second waterway (11) arranged in the water transporting block (22) is a straight waterway penetrating the water transporting block (22), the third waterway (12) arranged in the water transporting block (22) is a straight waterway processed on the surface of the water transporting block (22), parallel waterways in the two fixed templates (3) are connected, an elliptical sealing ring groove is arranged on the water transporting block (22), the elliptical sealing ring groove is arranged on the periphery of the straight waterway, and the distance between the elliptical sealing ring groove and a cold water well is 2-5 mm; the fourth waterway (13) penetrates through the sliding block group (19), and the fourth waterway (13) is a straight-through waterway and is distributed near the molding surface of the sliding block group (19); the fifth waterway (14) penetrates through the movable die plate (4), the first movable die insert (20) and the second movable die insert (21), the fifth waterway (14) is a double-layer stepped straight waterway, the inner shapes of the first movable die insert (20) and the second movable die insert (21) are processed along with the fifth waterway, the waterway of the fifth waterway (14) is divided into a sky waterway and a ground waterway, the sky waterway is communicated with the first movable die insert (20) by penetrating through the movable die plate (4), the ground waterway is communicated with the second movable die insert (21) by penetrating through the movable die plate (4), and the outlet of the ground waterway is connected with the inlet of the sky waterway by a hose to form a complete waterway loop; the sixth waterway (15) penetrates through the movable die base plate (5), and the sixth waterway (15) is a straight-through annular waterway; the seventh waterway (16) is arranged in the square iron (6), and the seventh waterway (16) is a straight-through waterway.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811616121.3A CN109397659B (en) | 2018-12-27 | 2018-12-27 | Die with efficient cooling waterway |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811616121.3A CN109397659B (en) | 2018-12-27 | 2018-12-27 | Die with efficient cooling waterway |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109397659A CN109397659A (en) | 2019-03-01 |
| CN109397659B true CN109397659B (en) | 2023-12-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811616121.3A Active CN109397659B (en) | 2018-12-27 | 2018-12-27 | Die with efficient cooling waterway |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109397659B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112008930A (en) * | 2019-05-31 | 2020-12-01 | 江苏美多汽车配件有限公司 | Thermostat cover machining die with cooling function |
| CN114523626A (en) * | 2022-01-29 | 2022-05-24 | 台州市黄岩炜大塑料机械有限公司 | Two slit type hot runners of PVC multi-cavity pipe fitting mold |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
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| CN201437269U (en) * | 2009-09-01 | 2010-04-14 | 恒毅模具注塑(深圳)有限公司 | Injection mold with ultrashort-cycle molding |
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