CN115338958B - PQ type magnetic core production die - Google Patents
PQ type magnetic core production die Download PDFInfo
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- CN115338958B CN115338958B CN202210978210.2A CN202210978210A CN115338958B CN 115338958 B CN115338958 B CN 115338958B CN 202210978210 A CN202210978210 A CN 202210978210A CN 115338958 B CN115338958 B CN 115338958B
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- upper pressing
- magnetic core
- pressing plate
- bottom plate
- grooves
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 14
- 238000003825 pressing Methods 0.000 claims abstract description 72
- 239000000463 material Substances 0.000 claims abstract description 42
- 238000002347 injection Methods 0.000 claims abstract description 38
- 239000007924 injection Substances 0.000 claims abstract description 38
- 238000009423 ventilation Methods 0.000 claims description 46
- 238000000034 method Methods 0.000 claims description 8
- 230000008569 process Effects 0.000 claims description 5
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 239000012768 molten material Substances 0.000 abstract description 14
- 230000003139 buffering effect Effects 0.000 description 9
- 238000001816 cooling Methods 0.000 description 9
- 230000000694 effects Effects 0.000 description 9
- 238000005299 abrasion Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 238000009434 installation Methods 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Abstract
The invention belongs to the technical field of production dies, and discloses a PQ type magnetic core production die which comprises a first upper pressing plate, a second upper pressing plate, a first bottom plate and a second bottom plate, wherein six magnetic core dies are arranged in the middle of the bottom surface of the second upper pressing plate, guide grooves are formed in each two adjacent magnetic core dies in the six magnetic core dies, two material injection holes are formed in the middle of the second upper pressing plate, and a guide groove is formed between each two material injection holes and each adjacent guide groove. According to the invention, the purpose of quick material injection is achieved through the structures of the first bottom plate, the second bottom plate, the diversion trenches and the like, and the two material injection holes are formed, so that when the device is pressed down and combined, molten materials enter from each material injection hole and then enter into the four diversion trenches respectively, enter into the diversion trenches from the diversion trenches and then flow into the magnetic core dies of the first bottom plate and the second bottom plate, and each magnetic core die is provided with two material injection holes for material injection, so that the molten materials can be filled into the magnetic core dies quickly.
Description
Technical Field
The invention belongs to the technical field of production dies, and particularly relates to a PQ magnetic core production die.
Background
The PQ type magnetic core is specially designed for an inductor and a transformer for a switching power supply, and the ratio among the volume, the surface area and the winding area of the magnetic core is optimized through the PQ type design; this design allows the design to achieve maximum output power with minimum transformer volume and weight, and to occupy minimum PCB installation space, output power, and minimum PCB installation space, so the PQ-type core is a very important component.
In the prior art, when the production mould of the PQ type magnetic core is poured, because the PQ type magnetic core mould has a certain type of irrespectively, the pouring of the melting material is slow in the pouring process, so that the melting material is easy to become sticky before the PQ type magnetic core mould is completely poured, the defective frequency is high, and the PQ type magnetic core production mould is designed according to the situation.
Disclosure of Invention
In order to solve the problems in the background art, the invention provides a PQ magnetic core production die which has the advantages of quick material injection, good cooling effect and buffering.
In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a PQ type magnetic core production mould, includes first top board, second top board, first bottom plate, second bottom plate, six magnetic core moulds have been seted up in the middle of the second top board bottom surface, six the guiding gutter has been seted up in the middle of every adjacent two magnetic core moulds among the magnetic core moulds, two annotate the material hole in the middle of the second top board, two annotate the baffle box has been seted up between material hole and the adjacent guiding gutter, the four corners end fixedly connected with buffer post of second top board bottom surface, annotate the material hole in the middle of the first bottom plate top surface, first bottom plate top surface four corners fixed mounting has buffer, six magnetic core moulds have been seted up in the middle of the first bottom plate top surface.
In the above technical scheme, preferably, two material injection holes are formed in the middle of the top surface of the first upper pressing plate, a guide groove is formed in the middle between two adjacent magnetic core dies on the first bottom plate, and a guide groove is formed between the two material injection holes on the first bottom plate and the guide groove on the adjacent first bottom plate; when the second upper pressing plate is pressed down to be closely combined with the first bottom plate, the molten material enters each guide groove through the material injection hole, enters each guide groove from each guide groove, enters each magnetic core mold from the guide grooves, and is injected through two material injection holes, so that the molten material can be filled into the magnetic core mold rapidly.
In the above technical scheme, preferably, four corners of the top surface of the second upper pressing plate are fixedly connected with first limit posts, four corners of the bottom surface of the first upper pressing plate are provided with first limit holes, the first limit holes are matched with the first limit posts, the left side and the right side of the first upper pressing plate and the second upper pressing plate are fixedly provided with connecting plates through four bolts, four corners of the bottom surface of the first bottom plate are fixedly connected with second limit holes, four corners of the bottom surface of the second bottom plate are provided with second limit posts, the second limit holes are matched with the second limit posts, and the left side and the right side of the first bottom plate and the second bottom plate are fixedly provided with connecting plates through four bolts; through the design of first spacing hole, first spacing post, carry out spacingly with first top board, second top board, be convenient for the connecting plate with first top board and second top board fixed connection, be convenient for the connecting plate with first bottom plate and second bottom plate fixed connection similarly.
In the above technical solution, preferably, three ventilation slots are formed in the bottom surface of the first upper pressing plate, three ventilation slots are formed in the top surface of the second upper pressing plate, three ventilation slots are formed in the bottom surface of the first bottom plate, three ventilation slots are formed in the top surface of the second bottom plate, a ventilation plate is fixedly connected between the rear sides of the first upper pressing plate and the second upper pressing plate, a ventilation fan is fixedly mounted at the rear side of the ventilation plate, and each ventilation slot surrounds two magnetic core dies; after the magnetic core mould is filled with the molten material, the ventilation fan is started to suck the air at the normal temperature outside, and the air in the ventilation groove is discharged from the ventilation groove at the lower end, so that the magnetic core mould is cooled, and the cooling effect is achieved.
In the above technical solution, preferably, the top surface of the four corners of the magnetic core die on the second upper pressing plate is provided with air exhaust grooves, the top surface of the second upper pressing plate is provided with four connecting grooves, the four connecting grooves are used for connecting six air exhaust grooves and three ventilation grooves in a penetrating manner, and the bottom surface of the first upper pressing plate is provided with four connecting grooves; when the molten material gradually enters the magnetic core mold, air in the magnetic core mold is discharged into the connecting groove from the exhaust groove, so that the air is discharged into the ventilation groove from the connecting groove, the air flow in the ventilation groove is promoted, hot air is taken away, and a cooling effect is formed.
In the above technical scheme, preferably, the buffer device comprises a buffer cylinder and a spring, the buffer cylinder is fixedly connected with the first bottom plate, the inner cavity of the buffer cylinder is movably sleeved with the spring, the lower end of the spring is fixedly connected with the buffer cylinder, the upper end of the spring is fixedly connected with a buffer disc, and the buffer disc is movably sleeved in the inner cavity of the buffer cylinder; when the first upper pressing plate and the second upper pressing plate are combined to be pressed down, the buffer column is contacted with the spring firstly, and when the buffer column is limited and is pressed down continuously, the spring is compressed to play a role of buffering, so that abrasion caused by the collision between the bottom surface of the second upper pressing plate and the top surface of the first bottom plate is reduced.
Compared with the prior art, the invention has the following beneficial effects:
1. According to the invention, the purpose of quick material injection is achieved through the structures of the first bottom plate, the second bottom plate, the diversion trenches and the like, and the two material injection holes are formed, so that when the device is pressed down and combined, molten materials enter from each material injection hole and then enter into the four diversion trenches respectively, enter into the diversion trenches from the diversion trenches and then flow into the magnetic core dies of the first bottom plate and the second bottom plate, and each magnetic core die is provided with two material injection holes for material injection, so that the molten materials can be filled into the magnetic core dies quickly.
2. According to the invention, through the structures of the ventilating plate, the ventilating groove, the exhaust groove, and the like, the purpose of good cooling effect is achieved, when molten materials begin to be injected, air in the device is discharged into the connecting groove from the exhaust groove and flows into the three ventilating grooves from the connecting groove, air flowing in the ventilating groove is promoted, a certain cooling effect is achieved, after the injection of the materials is completed, the ventilating fan is started, air at normal temperature outside the ventilating groove is sucked, air in the ventilating groove is discharged from the ventilating groove at the lower end, and therefore the magnetic core mould is cooled, the cooling effect is achieved, and the ventilating fan and the ventilating groove are combined with each other, so that the cooling effect is good.
3. The invention has the advantages of buffering through the structures such as the buffering column, the buffering device and the like, when the first upper pressing plate and the second upper pressing plate are combined to press down, the buffering column is contacted with the spring first, and when the first upper pressing plate and the second upper pressing plate continue to press down, the spring compresses to play a role of buffering, so that the abrasion caused by the collision between the bottom surface of the second upper pressing plate and the top surface of the first bottom plate is reduced.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the left end section of the structure of the present invention;
FIG. 3 is a schematic view of a front end of the structure of the present invention;
FIG. 4 is a schematic view of a second cross-section of the front end of the structure of the present invention;
FIG. 5 is a schematic view of the bottom surface of a first upper platen of the present invention;
FIG. 6 is a schematic top view of a second upper platen of the present invention;
FIG. 7 is a schematic view of the bottom surface of a second upper platen of the present invention;
FIG. 8 is a schematic top view of a first bottom plate of the present invention;
FIG. 9 is a schematic view of the bottom surface of a first bottom plate of the structure of the present invention;
FIG. 10 is a schematic top view of a second base plate of the present invention.
In the figure: 1. a first upper platen; 2. a second upper platen; 3. a first base plate; 4. a second base plate; 5. a ventilation board; 6. a connecting plate; 7. a material injection hole; 8. a ventilation groove; 9. a magnetic core mold; 10. a diversion trench; 11. a guide groove; 12. an exhaust groove; 13. a buffer column; 14. a buffer device; 1401. a buffer tube; 1402. a spring; 1403. a buffer tray; 15. a first limiting hole; 16. a first limit post; 17. a second limiting hole; 18. the second limit column; 19. a ventilation fan; 20. and a connecting groove.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
As shown in fig. 1 to 10, the invention provides a PQ type magnetic core production mold, which comprises a first upper pressing plate 1, a second upper pressing plate 2, a first bottom plate 3 and a second bottom plate 4, wherein six magnetic core molds 9 are arranged in the middle of the bottom surface of the second upper pressing plate 2, a diversion trench 10 is arranged in the middle of each two adjacent magnetic core molds 9 in the six magnetic core molds 9, two material injection holes 7 are arranged in the middle of the second upper pressing plate 2, a material guide trench 11 is arranged between the two material injection holes 7 and the adjacent diversion trench 10, four corners ends of the bottom surface of the second upper pressing plate 2 are fixedly connected with buffer columns 13, the material injection holes 7 are arranged in the middle of the top surface of the first bottom plate 3, a buffer device 14 is fixedly arranged at the four corners ends of the top surface of the first bottom plate 3, and six magnetic core molds 9 are arranged in the middle of the top surface of the first bottom plate 3.
As shown in fig. 5 and 8, two material injection holes 7 are formed in the middle of the top surface of the first upper pressing plate 1, a guide groove 10 is formed in the middle between two adjacent magnetic core dies 9 on the first bottom plate 3, and a guide groove 11 is formed between the two material injection holes 7 on the first bottom plate 3 and the guide groove 10 on the adjacent first bottom plate 3;
The scheme is adopted: when the second upper pressing plate 2 is pressed down to be closely combined with the first bottom plate 3, molten material enters each guide groove 11 through the material injection hole 7, enters each guide groove 10 from each guide groove 11, and enters each magnetic core die 9 from the guide groove 10, so that each magnetic core die 9 is provided with two material injection holes for injection, and the molten material can be rapidly filled in the magnetic core die 9.
As shown in fig. 1, fig. 5, fig. 6, fig. 9 and fig. 10, four corners of the top surface of the second upper pressing plate 2 are fixedly connected with first limit posts 16, four corners of the bottom surface of the first upper pressing plate 1 are provided with first limit holes 15, the first limit holes 15 are matched with the first limit posts 16, the left side and the right side of the first upper pressing plate 1 and the second upper pressing plate 2 are fixedly provided with connecting plates 6 through four bolts, four corners of the bottom surface of the first bottom plate 3 are fixedly connected with second limit holes 17, four corners of the bottom surface of the second bottom plate 4 are provided with second limit posts 18, the second limit holes 17 are matched with the second limit posts 18, and the left side and the right side of the first bottom plate 3 and the second bottom plate 4 are fixedly provided with connecting plates 6 through four bolts;
the scheme is adopted: through the design of first spacing hole 15, first spacing post 16, carry out spacingly with first top board 1, second top board 2, be convenient for connecting plate 6 with first top board 1 and second top board 2 fixed connection, just like connecting plate 6 with first bottom plate 3 and second bottom plate 4 fixed connection of being convenient for.
As shown in fig. 1,2 and 5 to 10, three ventilation grooves 8 are formed in the bottom surface of the first upper pressing plate 1, three ventilation grooves 8 are formed in the top surface of the second upper pressing plate 2, three ventilation grooves 8 are formed in the bottom surface of the first bottom plate 3, three ventilation grooves 8 are formed in the top surface of the second bottom plate 4, a ventilation plate 5 is fixedly connected between the rear sides of the first upper pressing plate 1 and the second upper pressing plate 2, a ventilation fan 19 is fixedly mounted on the rear side of the ventilation plate 5, and each ventilation groove 8 surrounds two magnetic core molds 9;
The scheme is adopted: after the molten material is injected into the magnetic core mold 9, external normal-temperature air is sucked by starting the ventilating fan 19, and air in the ventilating groove 8 is discharged from the ventilating groove 8 at the lower end, so that the magnetic core mold 9 is cooled, and the cooling effect is achieved.
As shown in fig. 3, 5 and 6, the top surfaces of four corners of the magnetic core die 9 on the second upper pressing plate 2 are provided with air exhaust grooves 12, the top surface of the second upper pressing plate is provided with four connecting grooves 20, the four connecting grooves 20 are used for connecting six air exhaust grooves 12 with three ventilation grooves 8 in a penetrating way, the bottom surface of the first upper pressing plate 1 is provided with four connecting grooves 20, and the bottom surface of the first upper pressing plate 1 is provided with four connecting grooves 20;
The scheme is adopted: when the molten material gradually enters the magnetic core mold 9, air in the magnetic core mold 9 is discharged into the connecting groove 20 from the exhaust groove 12, so that the air is discharged into the ventilation groove 8 from the connecting groove 20, the air flow in the ventilation groove 8 is promoted, the hot air is taken away, and a cooling effect is formed.
As shown in fig. 4, the buffer device 14 comprises a buffer cylinder 1401 and a spring 1402, wherein the buffer cylinder 1401 is fixedly connected with a first bottom plate 3, the spring 1402 is movably sleeved in the inner cavity of the buffer cylinder 1401, the lower end of the spring 1402 is fixedly connected with the buffer cylinder 1401, the upper end of the spring 1402 is fixedly connected with a buffer disc 1403, and the buffer disc 1403 is movably sleeved in the inner cavity of the buffer cylinder 1401;
The scheme is adopted: when the combination of the first upper pressing plate 1 and the second upper pressing plate 2 is pressed down, the buffer column 13 is firstly contacted with the spring 1402, and when the spring 1402 is pressed down continuously while limiting, the spring 1402 compresses to play a role of buffering, so that the abrasion caused by the impact between the bottom surface of the second upper pressing plate 2 and the top surface of the first bottom plate 3 is reduced.
The working principle and the using flow of the invention are as follows:
The method comprises the steps of combining a first limit hole 15 on a first upper pressing plate 1 with a first limit column 16 on a second upper pressing plate 2, fixing the first upper pressing plate 1 and the second upper pressing plate 2 together through connecting plates 6 on the left side and the right side, combining a second limit hole 17 on a first bottom plate 3 with a second limit column 18 on a second bottom plate 4, fixing the first bottom plate 3 and the second bottom plate 4 together through connecting plates 6 on the left side and the right side, pressing down a combined body of the first upper pressing plate 1 and the second upper pressing plate 2, enabling a buffer column 13 to be in contact with a spring 1402, compressing the spring 1402 to play a role of buffering when the first upper pressing plate 1 and the second upper pressing plate 2 continue to press down, and enabling molten materials to enter four guide grooves 11 respectively through the two injection holes 7 at the upper ends of the first upper pressing plate 1 and enter the guide grooves 10 from the guide grooves 11 and then flow into magnetic cores 9 of the first bottom plate 3 and the second bottom plate 4 when injection is completed;
In the material injection process, air in the device is discharged into the connecting groove 20 through the exhaust groove 12, flows into the three ventilation grooves 8 from the connecting groove 20, promotes air flow in the ventilation grooves 8, starts the ventilation fan 19 after the material injection is completed, sucks in outside normal-temperature air, and discharges air in the ventilation grooves 8 from the lower ventilation grooves 8.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (3)
1. The utility model provides a PQ magnetic core production mould, includes first top board (1), second top board (2), first bottom plate (3), second bottom plate (4), its characterized in that: six magnetic core dies (9) are arranged in the middle of the bottom surface of the second upper pressing plate (2), guide grooves (10) are formed in the middle of each two adjacent magnetic core dies (9) in the magnetic core dies (9), two material injection holes (7) are formed in the middle of the second upper pressing plate (2), material guide grooves (11) are formed between the two material injection holes (7) and the adjacent guide grooves (10), buffer columns (13) are fixedly connected to four corner ends of the bottom surface of the second upper pressing plate (2), material injection holes (7) are formed in the middle of the top surface of the first bottom plate (3), buffer devices (14) are fixedly arranged at four corner ends of the top surface of the first bottom plate (3), and six magnetic core dies (9) are arranged in the middle of the top surface of the first bottom plate (3);
Three ventilation grooves (8) are formed in the bottom surface of the first upper pressing plate (1), three ventilation grooves (8) are formed in the top surface of the second upper pressing plate (2), three ventilation grooves (8) are formed in the bottom surface of the first bottom plate (3), three ventilation grooves (8) are formed in the top surface of the second bottom plate (4), a ventilation plate (5) is fixedly connected in the middle of the rear sides of the first upper pressing plate (1) and the second upper pressing plate (2), a ventilation fan (19) is fixedly mounted on the rear side of the ventilation plate (5), and each ventilation groove (8) surrounds two magnetic core dies (9);
The magnetic core mould (9) on the second upper pressing plate (2) is provided with air exhaust grooves (12) on the top surfaces of four corners, the top surface of the second upper pressing plate (2) is provided with four connecting grooves (20), the four connecting grooves (20) are used for connecting six air exhaust grooves (12) with three ventilation grooves (8) in a penetrating way, the bottom surface of the first upper pressing plate (1) is provided with four connecting grooves (20), in the material injection process, air in the device is discharged into the connecting grooves (20) through the air exhaust grooves (12), and then flows into the three ventilation grooves (8) from the connecting grooves (20), after the material injection is completed, a ventilation fan (19) is started, external normal-temperature air is sucked in, and air in the ventilation grooves (8) is discharged from the lower ventilation grooves (8);
The buffer device (14) comprises a buffer cylinder (1401) and a spring (1402), the buffer cylinder (1401) is fixedly connected with a first bottom plate (3), the spring (1402) is movably sleeved in an inner cavity of the buffer cylinder (1401), the lower end of the spring (1402) is fixedly connected with the buffer cylinder (1401), the upper end of the spring (1402) is fixedly connected with a buffer disc (1403), and the buffer disc (1403) is movably sleeved in the inner cavity of the buffer cylinder (1401).
2. The PQ-type magnetic core production die according to claim 1, wherein: two material injection holes (7) are formed in the middle of the top surface of the first upper pressing plate (1), guide grooves (10) are formed in the middle between two adjacent magnetic core dies (9) on the first bottom plate (3), and guide grooves (11) are formed between the two material injection holes (7) on the first bottom plate (3) and the guide grooves (10) on the adjacent first bottom plate (3).
3. The PQ-type magnetic core production die according to claim 1, wherein: the four corners of the top surface of the second upper pressing plate (2) are fixedly connected with first limit posts (16), the four corners of the bottom surface of the first upper pressing plate (1) are provided with first limit holes (15), the first limit holes (15) are matched with the first limit posts (16), the left side and the right side of the first upper pressing plate (1) and the second upper pressing plate (2) are fixedly provided with connecting plates (6) through four bolts, the novel anti-theft device is characterized in that the four corners of the bottom surface of the first bottom plate (3) are fixedly connected with second limiting holes (17), second limiting columns (18) are arranged at the four corners of the bottom surface of the second bottom plate (4), the second limiting holes (17) are matched with the second limiting columns (18), and connecting plates (6) are fixedly arranged on the left side and the right side of the first bottom plate (3) and the right side of the second bottom plate (4) through four bolts.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202210978210.2A CN115338958B (en) | 2022-08-16 | PQ type magnetic core production die |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202210978210.2A CN115338958B (en) | 2022-08-16 | PQ type magnetic core production die |
Publications (2)
Publication Number | Publication Date |
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CN115338958A CN115338958A (en) | 2022-11-15 |
CN115338958B true CN115338958B (en) | 2024-06-28 |
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Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN209461293U (en) * | 2019-01-21 | 2019-10-01 | 东阳富仕特磁业有限公司 | A kind of compound material feeding magnetic core mold of multiple flow passages |
CN212736951U (en) * | 2020-07-28 | 2021-03-19 | 重庆以正合工程机械有限公司 | Mould is used in engineering machine tool accessory production of convenient quick compound die |
CN215203337U (en) * | 2021-05-31 | 2021-12-17 | 杭州凯恒塑料制品有限公司 | Injection mold shaping cooling device |
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN209461293U (en) * | 2019-01-21 | 2019-10-01 | 东阳富仕特磁业有限公司 | A kind of compound material feeding magnetic core mold of multiple flow passages |
CN212736951U (en) * | 2020-07-28 | 2021-03-19 | 重庆以正合工程机械有限公司 | Mould is used in engineering machine tool accessory production of convenient quick compound die |
CN215203337U (en) * | 2021-05-31 | 2021-12-17 | 杭州凯恒塑料制品有限公司 | Injection mold shaping cooling device |
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