CN110385829B - Precision injection mold with cooling water channel - Google Patents
Precision injection mold with cooling water channel Download PDFInfo
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- CN110385829B CN110385829B CN201910679675.6A CN201910679675A CN110385829B CN 110385829 B CN110385829 B CN 110385829B CN 201910679675 A CN201910679675 A CN 201910679675A CN 110385829 B CN110385829 B CN 110385829B
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- mold core
- cooling
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- 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
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- 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
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- 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
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- 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 invention discloses a precise injection mold with a cooling water channel, which is applied to the field of injection molds and solves the technical problem that the cooling water channel is difficult to arrange in a multi-cavity or super-multi-cavity injection mold, and the key points of the technical scheme are as follows: comprises a front mold core and a rear mold core; the front mold core is provided with a cavity, the rear mold core is provided with a mold core, the front mold core is provided with a front mold cooling assembly, and the rear mold core is provided with a rear mold cooling assembly; the front mold core is provided with a glue inlet flow passage, the rear mold core is provided with a molding flow passage, and the molding flow passage is communicated with the cavity; the rear mold cooling assembly comprises a cooling cavity and a rear mold water path, the cooling cavity is communicated with the forming flow channel, an isolation block is inserted in the cooling cavity, and a water storage cavity communicated with the cooling cavity is formed in the outer side of the isolation block; the cooling water inlet and outlet water storage device has the advantages that the cooling cavity and the water storage cavity are used for cooling water to pass through, and the water supply of the rear mold water channel is carried out for water to enter and discharge, so that more heat can be taken away by the cooling water channel, and the temperature of the mold can be well reduced under the condition that the cooling water channel does not interfere with the ejector pins or the insert pins.
Description
Technical Field
The invention relates to the field of injection molds, in particular to a precise injection mold with a cooling water channel.
Background
An injection mold is a tool for producing plastic products, and an injection molding machine injects heated and melted plastic particles into the injection mold to form a desired product.
At present, the chinese utility model patent of publication number CN207578964U discloses a balanced injection mold is filled to super many caves, flow into son including upper fixed plate, A board, B board, mould foot, bottom plate, front mould benevolence, back mould benevolence, position circle and festival, A board pass through the fixed bottom that sets up at upper fixed plate of position circle, front mould benevolence set up on the surface of A board, B board pass through the fixed upper portion that sets up at the bottom plate of mould foot, back mould benevolence set up on the surface of B board, it is a plurality of the festival go into the son and set up respectively on back mould benevolence.
In the injection mold with multiple cavities or super multiple cavities, a plurality of ejector pins are often needed to stably eject a product out of a cavity, so that a plurality of ejector pin holes are needed to be formed in a mold core, when a cooling water path is formed in the mold core of the injection mold with the super multiple-cavity filling balance, the traditional water path is difficult to avoid the ejector pin holes due to the fact that the traditional water path is arranged in a criss-cross mode, and the injection mold is often cooled by the cooling water path but depends on the heat dissipation capacity of the injection mold; this kind of radiating efficiency is slow, and because the mould is heated for a long time, the mould takes place the deformation easily moreover.
Disclosure of Invention
The invention aims to provide a precise injection mold with a cooling water channel, which has the advantages that more cooling water can pass through the cooling cavity and the water storage cavity, and the water supply of the rear mold water channel is used for feeding and discharging water, so that the cooling water channel can take away more heat of the mold without being arranged in a staggered manner, and the temperature of the mold can be well reduced under the condition of ensuring that the mold does not interfere with a thimble or an insert.
The technical purpose of the invention is realized by the following technical scheme: a precise injection mold with a cooling water path comprises a front mold core and a rear mold core; the front mold core is provided with a cavity for molding a product, the rear mold core is provided with a mold core inserted into the cavity, the mold core is inserted into the rear mold core in an insert mode, the front mold core is provided with a front mold cooling assembly for cooling the front mold core, and the rear mold core is provided with a rear mold cooling assembly;
the front mold core is provided with a glue inlet flow passage, the rear mold core is provided with a molding flow passage communicated with the glue inlet flow passage, and the molding flow passage is communicated with the mold cavity;
the back mould cooling assembly comprises a cooling cavity formed in the back mould core and a back mould water path communicated with the cooling cavity, the cooling cavity is close to the mould core and is communicated with the forming flow channel, an isolating block used for isolating molten plastic and cooling water is inserted into the cooling cavity, and a water storage cavity communicated with the cooling cavity is formed in the outer side of the isolating block.
According to the technical scheme, the glue inlet flow channel and the forming flow channel are used for molten plastic to flow in, the core and the cavity are used for forming a product, the rear mold water channel is used for cooling water to enter and discharge, the cooling cavity and the water storage cavity are used for cooling water to pass through, and meanwhile, the contact area between the cooling water and the rear mold core is increased, so that the cooling water can take away heat on the rear mold core more quickly, and the effect of cooling the rear mold core is achieved; the isolation block can separate the molten plastic from the cooling water, so that the molten plastic is prevented from leaking, the cooling water is prevented from entering the forming cavity, and the product can be formed stably; the isolating block can be independently machined and then inserted into the cooling cavity, so that the machining process is simple, and the machining cost is saved.
The invention is further configured to: one side that front mould benevolence was kept away from to back mould benevolence is equipped with the spacing groove, spacing groove and cooling chamber intercommunication, the one end that front mould benevolence was kept away from to the spacer block is equipped with the stopper, one side that front mould benevolence was kept away from to the stopper and one side parallel and level that front mould benevolence was kept away from to back mould benevolence, one side that the stopper is close to front mould benevolence is laminated with the spacing groove diapire.
Through above-mentioned technical scheme, the spacing groove is used for holding the stopper, and the stopper has injectd the spacing block along the most ascending position of back mould benevolence thickness for the spacing block installation is more stable, thereby more stable cools off the back mould benevolence.
The invention is further configured to: and a guide inclined plane is arranged at the joint of the bottom of the limiting groove and the inner wall of the cooling cavity.
Through above-mentioned technical scheme, the guide inclined plane makes the opening in cooling chamber great, and when the spacer block was inserted and is established the cooling chamber, the guide spacer block that the guide inclined plane can be better inserted the cooling chamber for it is more convenient to install the spacer block.
The invention is further configured to: the inner wall of the cooling cavity is provided with a sealing ring, and the sealing ring is arranged at one end of the cooling cavity close to the front mold core; the outer side of the isolation block is sleeved with a first sealing ring, and one side of the first sealing ring, which is close to the front mold core, is abutted against the end face of the sealing ring.
Through the technical scheme, the first sealing ring and the sealing ring can better plug the gap between the isolating block and the inner wall of the cooling cavity by abutting, so that cooling water is better prevented from leaking.
The invention is further configured to: the joint of the end face of the sealing ring, which deviates from the front mold core, and the inner wall of the sealing ring is provided with a buffering inclined plane, and a buffering space is formed between the buffering inclined plane and the isolating block.
Through above-mentioned technical scheme, when the spacer block inserted the cooling chamber, first sealing ring received the extrusion and warp, and the part that first sealing ring warp can be held to the buffer space to avoid first sealing ring to receive the extrusion excessively and break, also avoid leading to frictional force too big and can't insert the suitable position with the spacer block because the deformation of first sealing ring.
The invention is further configured to: the lateral surface of spacing block is equipped with the seal groove, the seal groove sets up in the one end of keeping away from front mould benevolence near the spacing block, is equipped with the second sealing washer in the seal groove.
Through above-mentioned technical scheme, the laminating of second sealing washer and seal groove and cooling chamber's inner wall, the clearance between shutoff spacing block and the cooling chamber that can step forward to better avoid the cooling water to leak.
The invention is further configured to: and the isolating block is provided with a cold material well, and the cold material well is communicated with the forming flow channel.
Through the technical scheme, the molten plastic can be partially cooled in the flowing process, the cooled plastic can be stored in the cooling material well, the flowing speed of the molten plastic is ensured, and the cooled plastic is prevented from entering the forming cavity, so that the quality of a formed product is ensured.
The invention is further configured to: the front mold cooling assembly comprises a front mold water path arranged on a front mold core and a flow deflector inserted in the front mold water path, the flow deflector is in a spiral shape, and the front mold core is provided with a water inlet channel and a water outlet channel communicated with the front mold water path; the front mold cooling assembly is distributed along the length direction of the front mold core in a plurality.
Through the technical scheme, the water inlet channel is used for allowing cooling water to enter the front mold water channel, and the water outlet channel is used for discharging the cooling water; the guide vane makes the cooling water flow along the guide vane in a spiral shape, so that the cooling water is more fully contacted with the front mold core, and more heat in the front mold core is taken away.
The invention is further configured to: the front mold core is detachably connected with a sprue insert, a sprue sleeve is arranged in the sprue insert, and the glue inlet flow passage is arranged on the sprue sleeve.
Through the technical scheme, because the molten plastic with higher temperature often flows through the glue inlet runner, the pouring gate insert is detachably connected to the front mold core in the insert mode, and the pouring gate insert and the pouring gate sleeve can be conveniently detached and replaced.
The invention is further configured to: the rear die core is provided with a rotation stopping block for limiting the rotation of the isolating block at a position close to the limiting groove, the isolating block is provided with a rotation stopping surface, and the rotation stopping surface is attached to the side wall of the rotation stopping block.
Through the technical scheme, the rotation stopping surface is matched with the rotation stopping block, so that the isolating block cannot rotate randomly, the stability of installation of the isolating block is ensured, and a better formed product is facilitated.
In conclusion, the invention has the following beneficial effects:
1. the rear mold water channel guides cooling water to enter the cooling cavity, the cooling cavity increases the contact area of the cooling water and the rear mold core, so that the cooling water can take away more heat on the rear mold core, and the condition that the rear mold core is deformed and damaged due to overhigh temperature is avoided;
2. the flow deflectors in the front mold waterway increase the contact area of the cooling water flow and the front mold core, so that the cooling water can take away more heat in the front mold core.
Drawings
Fig. 1 is an overall configuration diagram of the present embodiment;
FIG. 2 is a schematic view of the present embodiment with the front mold section and the rear mold section open;
FIG. 3 is a schematic structural view showing the disassembled state of the front mold core and the front mold plate of the present embodiment;
FIG. 4 is a schematic structural view of the rear mold cooling assembly of the present embodiment;
FIG. 5 is an enlarged schematic view of portion A of FIG. 4;
FIG. 6 is a schematic structural view of the connection relationship between the spacer block and the rear mold core in the present embodiment;
fig. 7 is a schematic structural diagram of the front mold core according to the embodiment.
Reference numerals: 1. a front mold core; 2. a rear mold core; 3. a cavity; 4. a core; 5. a front mold cooling assembly; 6. a rear mold cooling assembly; 7. a glue inlet flow channel; 8. molding a flow channel; 9. a cooling chamber; 10. a rear mold waterway; 11. an isolation block; 12. a water storage cavity; 13. a limiting groove; 14. a limiting block; 15. a guide ramp; 16. a seal ring; 17. a first seal ring; 18. a buffer bevel; 19. a buffer space; 20. a sealing groove; 21. a second seal ring; 22. a cold charge well; 23. a front mold waterway; 24. a flow deflector; 25. a water inlet channel; 26. a water outlet channel; 27. a pouring gate insert; 28. a sprue bush; 29. a rotation stopping block; 30. a rotation stopping surface; 31. a front template; 32. a rear mold backing plate; 33. a water inlet hole; 34. a water outlet hole; 35. a limiting block; 36. an insert hole; 37. a restraining groove.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Example (b):
referring to fig. 1 and 2, a precise injection mold with a cooling water path includes a front mold core 1 and a rear mold core 2, a cavity 3 for molding a product is provided at one side of the front mold core 1 facing the rear mold core 2, a mold core 4 is provided on the rear mold core 2, the mold core 4 is inserted on the rear mold in an insert manner, one end of the mold core 4 facing the front mold core 1 is inserted in the cavity 3, and thirty-two cavities are uniformly distributed on the front mold core 1 and the rear mold core 2 in a four-row eight-column arrangement manner for the mold core 3 and the mold core 4.
Referring to fig. 2 and 3, an insert hole 36 is formed in the front mold core 1, the gate insert 27 is inserted into the insert hole 36, a limiting groove 37 communicated with the insert hole 36 is formed in one side of the front mold core 1 away from the rear mold core 2, a limiting block 35 is integrally formed at one end of the gate insert 27 away from the rear mold core 2, and the limiting block 35 is placed in the limiting groove 37 and abutted against the bottom of the limiting groove 37; one side of the front mold core 1, which is far away from the rear mold core 2, is connected with a front mold plate 31 through a bolt, and one side of the limiting block 35, which is far away from the sprue insert 27, is attached to the front mold plate 31, so that the sprue insert 27 is stably installed on the front mold core 1; a sprue bush 28 is inserted in the sprue insert 27, and a glue inlet runner 7 is arranged in the sprue bush 28; after the die is closed, a forming runner 8 communicated with the glue inlet runner 7 is arranged on the rear die core 2, and the forming runner 8 is communicated with the die cavity 3.
Referring to fig. 2 and 4, a rear mold cooling assembly 6 for cooling the rear mold core 2 is arranged on the rear mold core 2, the rear mold cooling assembly 6 comprises a cooling cavity 9 formed in the rear mold core 2 and a rear mold water path 10 communicated with the cooling cavity 9, the cooling cavity 9 is a rotary cavity, the cooling cavity 9 can be machined by a drilling machine or a milling machine, and the machining is simple and the cost is low; cooling chamber 9 evenly distributed has four on back mould benevolence 2, and four intermediate positions that are rectangle distribution's core 4 have seted up a cooling chamber 9, and two cooling chamber 9 on 2 width directions of edge back mould benevolence are through a back mould water route 10 intercommunication moreover to can be more even take away the heat in the core 4.
Referring to fig. 4 and 5, a sealing ring 16 is integrally formed at one end of the cooling cavity 9 facing the front mold core 1, an isolation block 11 is inserted into the cooling cavity 9, the isolation block 11 is a solid of revolution as a whole, a cold burden well 22 is coaxially arranged in the isolation block 11, the cold burden well 22 is arranged in a penetrating manner, and the cold burden well 22 is communicated with the forming flow passage 8; a first sealing ring 17 is sleeved on the isolating block 11, and the end surface of the sealing ring 16 facing the front mold core 1 is abutted with the sealing ring 16; the joint of the end of the sealing ring 16 departing from the front die core 1 and the inner wall of the sealing ring 16 is provided with a buffer inclined surface 18, and a buffer space 19 is formed between the buffer inclined surface 18 and the spacing block 11. The seal groove 20 is seted up in the outside of spacer block 11, and seal groove 20 is cyclic annular, and seal groove 20 sets up in the one end that spacer block 11 is close to front mould benevolence 1, inlays in the seal groove 20 and is equipped with second sealing washer 21. A water storage cavity 12 communicated with the cooling cavity 9 is formed in the outer side of the isolation block 11, and the water storage cavity 12 is located between the first sealing ring 17 and the second sealing ring 21.
Referring to fig. 6, a limiting groove 13 is disposed on one side of the rear mold core 2 away from the front mold core 1, the limiting groove 13 is communicated with the cooling cavity 9, and a guiding inclined plane 15 is disposed at a junction between the bottom of the limiting groove 13 and the inner wall of the cooling cavity 9. One end of the isolating block 11, which is far away from the front mold core 1, is fixed with a limiting block 14, the limiting block 14 is placed in a limiting groove 13, one side of the limiting block 35, which is far away from the front mold core 1, is flush with one side of the rear mold core 2, which is far away from the front mold core 1, and one side of the limiting block 14, which is close to the front mold core 1, is attached to the bottom of the limiting groove 13. The rear die core 2 is provided with a rotation stopping block 29 which limits the rotation of the isolating block 11 at the position close to the limiting groove 13, the isolating block 11 is provided with a rotation stopping surface 30, and the rotation stopping surface 30 is attached to the side wall of the rotation stopping block 29, so that the isolating block 11 is prevented from rotating in the using process. One side of the rear die core 2, which is far away from the front die core 1, is connected with a rear die backing plate 32 through a bolt, and the rear die backing plate 32 is attached to the rear die core 2; thereby stably mounting the spacer 11 to the rear core 2.
Referring to fig. 7, a front mold cooling assembly 5 for cooling the front mold core 1 is disposed on the front mold core 1, the front mold cooling assembly 5 includes a front mold water path 23 disposed on the front mold core 1 and a flow deflector 24 inserted in the front mold water path 23, the flow deflector 24 is spiral, and the front mold core 1 is provided with a water inlet channel 25 and a water outlet channel 26 communicated with the front mold water path 23; the front template 31 is provided with a water inlet 33 communicated with the water inlet channel 25, and the front template 31 is provided with a water outlet 34 communicated with the water outlet channel 26; four front mold cooling assemblies 5, four water inlet holes 33 and four water outlet holes 34 are distributed along the length of the front mold core 1; the cooling water enters the water inlet channel 25 from the water inlet hole 33 and then enters the front mold waterway 23, the cooling water sufficiently absorbs heat on the front mold core 1 under the guidance of the flow deflector 24, and then the cooling water flows into the water outlet hole 34 from the water outlet channel 26 and then is discharged, and the reciprocating is carried out, so that the temperature on the front mold core 1 is kept stable.
The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications of the present embodiment without inventive contribution as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present invention.
Claims (9)
1. A precise injection mold with a cooling water path comprises a front mold core (1) and a rear mold core (2);
the mold is characterized in that the front mold core (1) is provided with a plurality of cavities (3) for molding products, and the rear mold core (2) is provided with a plurality of mold cores (4) inserted into the cavities (3); the mold core (4) is inserted into the rear mold core (2) in an insert mode, a front mold cooling assembly (5) for cooling the front mold core (1) is arranged on the front mold core (1), and a rear mold cooling assembly (6) is arranged on the rear mold core (2);
the front mold core (1) is provided with a glue inlet flow passage (7), the rear mold core (2) is provided with a forming flow passage (8) communicated with the glue inlet flow passage (7), and the forming flow passage (8) is communicated with the mold cavity (3);
the rear mold cooling assembly (6) comprises a cooling cavity (9) formed in the rear mold core (2) and a rear mold water channel (10) communicated with the cooling cavity (9), the cooling cavity (9) is arranged close to the mold core (4), the cooling cavity (9) is communicated with the molding runner (8), an isolating block (11) used for isolating molten plastic and cooling water is inserted into the cooling cavity (9), and a water storage cavity (12) communicated with the cooling cavity (9) is formed in the outer side of the isolating block (11);
and the isolating block (11) is provided with a cold material well (22), and the cold material well (22) is communicated with the forming flow channel (8).
2. The precision injection mold with the cooling water channel as claimed in claim 1, wherein a limiting groove (13) is disposed on a side of the rear mold core (2) away from the front mold core (1), the limiting groove (13) is communicated with the cooling cavity (9), a limiting block (14) is disposed on an end of the isolating block (11) away from the front mold core (1), one side of the limiting block (14) away from the front mold core (1) is flush with a side of the rear mold core (2) away from the front mold core (1), and one side of the limiting block (14) close to the front mold core (1) is attached to a bottom wall of the limiting groove (13).
3. The precision injection mold with the cooling water channel is characterized in that a guide inclined surface (15) is arranged at the joint of the bottom of the limiting groove (13) and the inner wall of the cooling cavity (9).
4. The precision injection mold with the cooling water channel is characterized in that a sealing ring (16) is arranged on the inner wall of the cooling cavity (9), and the sealing ring (16) is arranged at one end, close to the front mold core (1), of the cooling cavity (9); the outer side of the isolation block (11) is sleeved with a first sealing ring (17), and one side, close to the front mold core (1), of the first sealing ring (17) is abutted to the end face of the sealing ring (16).
5. The precision injection mold with the cooling water channel is characterized in that a buffer inclined surface (18) is arranged at the joint of the end surface of the sealing ring (16) departing from the front mold core (1) and the inner wall of the sealing ring (16), and a buffer space (19) is formed between the buffer inclined surface (18) and the isolation block (11).
6. The precision injection mold with the cooling water channel as claimed in claim 1, wherein the outer side of the isolation block (11) is provided with a sealing groove (20), the sealing groove (20) is disposed at an end close to the isolation block (11) and far away from the front mold core (1), and a second sealing ring (21) is disposed in the sealing groove (20).
7. The precision injection mold with the cooling water channel is characterized in that the front mold cooling assembly (5) comprises a front mold water channel (23) arranged on the front mold core (1) and a flow deflector (24) inserted in the front mold water channel (23), the flow deflector (24) is in a spiral shape, and a water inlet channel (25) and a water outlet channel (26) communicated with the front mold water channel (23) are arranged on the front mold core (1); the front mold cooling assembly (5) is distributed along the length direction of the front mold core (1) in a plurality.
8. The precision injection mold with the cooling water path as claimed in claim 1, wherein the front mold core (1) is detachably connected with a gate insert (27), a gate sleeve (28) is arranged in the gate insert (27), and the glue inlet channel (7) is arranged on the gate sleeve (28).
9. The precision injection mold with the cooling water channel is characterized in that a rotation stopping block (29) for limiting the rotation of the isolation block (11) is arranged at the position, close to the limiting groove (13), of the rear mold core (2), a rotation stopping surface (30) is arranged on the isolation block (11), and the rotation stopping surface (30) is attached to the side wall of the rotation stopping block (29).
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| CN201910679675.6A CN110385829B (en) | 2019-07-26 | 2019-07-26 | Precision injection mold with cooling water channel |
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|---|---|---|---|
| CN201910679675.6A CN110385829B (en) | 2019-07-26 | 2019-07-26 | Precision injection mold with cooling water channel |
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| CN110385829B true CN110385829B (en) | 2021-09-21 |
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| CN110900979B (en) * | 2019-11-18 | 2021-05-14 | 瑞声科技(新加坡)有限公司 | Sprue bushing assembly |
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| CN201516680U (en) * | 2009-10-23 | 2010-06-30 | 深圳创维－Rgb电子有限公司 | Front housing injection mold structure of liquid crystal television |
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| CN208962414U (en) * | 2018-10-25 | 2019-06-11 | 南京华顺精密模具有限公司 | The cooling structure of injection mold |
| CN209111412U (en) * | 2018-11-01 | 2019-07-16 | 滁州市协众家电配件有限公司 | A kind of casing of washing machine molding die |
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2019
- 2019-07-26 CN CN201910679675.6A patent/CN110385829B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201516680U (en) * | 2009-10-23 | 2010-06-30 | 深圳创维－Rgb电子有限公司 | Front housing injection mold structure of liquid crystal television |
| CN103507241A (en) * | 2013-10-12 | 2014-01-15 | 凡嘉科技（无锡）有限公司 | Cooling water channel structure for die of relatively deep cup-shaped product |
| CN107186963A (en) * | 2017-06-14 | 2017-09-22 | 思柏精密模具注塑（无锡）有限公司 | The precision die and its forming method of duplicator depth chamber moulding |
| CN207594265U (en) * | 2017-12-13 | 2018-07-10 | 武汉燎原模塑有限公司 | A kind of transformational structure in automobile die water route |
| CN208962414U (en) * | 2018-10-25 | 2019-06-11 | 南京华顺精密模具有限公司 | The cooling structure of injection mold |
| CN209111412U (en) * | 2018-11-01 | 2019-07-16 | 滁州市协众家电配件有限公司 | A kind of casing of washing machine molding die |
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| CN110385829A (en) | 2019-10-29 |
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