Water-cooling plate liquid forging die-casting die

Abstract

The utility model relates to the technical field of die-casting dies, and discloses a water-cooling plate liquid die forging die-casting die which comprises a lower die, an upper die and a negative pressure main pipe, a plug plate is fixed on the upper surface of the lower die, a negative pressure groove is formed in the lower surface of the upper die, a cold liquid cavity is formed in the inner side of the lower die, and a convex part is arranged at the inner top of the cold liquid cavity. The cold liquid cavity is divided into a plurality of first cold liquid grooves and a plurality of second cold liquid grooves through partition plates, a plurality of heat exchange grooves are formed in the protruding part, a plurality of heat conduction plates are fixed to the lower surface of the protruding part, and heat exchange pipes are embedded in the heat exchange grooves. The water-cooling plate liquid die forging die-casting die has the advantages that the heat exchange speed of areas with different thicknesses of a water-cooling plate die-casting piece is adjusted and controlled, so that the cooling speed of the areas with different thicknesses of the water-cooling plate die-casting piece is kept synchronous, the die-casting quality of a water-cooling plate is improved, and the sealing effect of the lower die and the upper die is improved; and the lower die and the upper die can be quickly positioned and matched.

Description

Technical Field

[0001] The utility model relates to the technical field of die-casting dies, and more specifically to a water-cooling plate liquid forging die-casting die. Background Art

[0002] The water cooling plate, also known as the cooling plate or liquid cooling plate, is used to cool or heat the power battery (when starting at low temperature, it needs to be heated in reverse). It is a key component to ensure that the power battery operates within the normal temperature range. Therefore, the water cooling plate is an indispensable component in new energy vehicles.

[0003] The water-cooled plate has an irregular surface structure, and the thickness of each part of the water-cooled plate is different. In the actual die-casting process, the existing mold cannot specifically cool the different thickness parts of the casting solution in the inner cavity of the mold, resulting in inconsistent cooling degrees of different thickness areas of the water-cooled plate die-casting, affecting the die-casting quality of the water-cooled plate. Utility Model Content

[0004] In order to overcome the shortcomings of the prior art, the utility model provides a water-cooled plate liquid forging die-casting mold, which has the advantage of adjusting and controlling the heat exchange speed of different thick and thin areas of the water-cooled plate die-casting, so that the cooling speed of the thin and thick areas of the water-cooled plate die-casting remains synchronized, the quality of the water-cooled plate die-casting is improved, the sealing effect of the lower mold and the upper mold is improved, and the lower mold and the upper mold can be quickly positioned and matched.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a water-cooled plate liquid forging die-casting mold, comprising a lower mold, an upper mold and a negative pressure main pipe, a plug plate is fixed on the upper surface of the lower mold, a negative pressure groove is opened on the lower surface of the upper mold, a liquid injection port and an air outlet are arranged on the upper surface of the upper mold, the plug plate is slidably fitted inside the negative pressure groove, a plurality of negative pressure branch pipes are fixedly connected to the negative pressure main pipe, and the top end of the negative pressure branch pipe passes through the lower mold and the plug plate in sequence and enters the inner side of the negative pressure groove;

[0006] A cold liquid cavity is provided on the inner side of the lower mold, a convex portion is provided on the inner top of the cold liquid cavity, a plurality of partitions are fixed in the cold liquid cavity, the cold liquid cavity is divided into a plurality of first cold liquid tanks and a plurality of second cold liquid tanks by the partitions, the convex portion is located on the inner side of the second cold liquid tank, a plurality of heat exchange tanks are provided on the convex portion, and a plurality of heat conduction plates are fixed on the lower surface of the convex portion, a heat exchange tube is embedded in the heat exchange tank, both ends of the heat exchange tube pass through the lower mold and are respectively fixedly connected to an air inlet box and an air outlet box.

[0007] As a preferred technical solution of the utility model, a negative pressure pump is installed on the negative pressure main pipe, the interior of the air inlet box is a hollow structure, and an air inlet pipe is fixedly connected to one side of the air inlet box, and the air outlet box is a hollow plate with an opening on one side.

[0008] As an optimal technical solution of the utility model, a first liquid inlet pipe and a first liquid outlet pipe are respectively provided on both sides of the lower mold, and a plurality of side branches are fixedly connected to the first liquid inlet pipe and the first liquid outlet pipe, and the side branches are connected to the first cold liquid tank, and a first water pump is installed on the first liquid inlet pipe.

[0009] As a preferred technical solution of the utility model, a second liquid inlet pipe and a second liquid outlet pipe are respectively provided on both sides of the lower mold, and a plurality of side branches are fixedly connected to the second liquid inlet pipe and the second liquid outlet pipe, and the side branches are connected to the second cold liquid tank, and a second water pump is installed on the second liquid inlet pipe.

[0010] As a preferred technical solution of the utility model, a plurality of guide posts are fixed on the upper surface of the lower mold, and an epitaxial plate is fixed on the bottom of the peripheral side surface of the upper mold, and the top end of the guide post slides through the epitaxial plate.

[0011] As a preferred technical solution of the utility model, a guide cylinder is fixed on the upper surface of the epitaxial plate, the guide column is slidably fitted in the guide cylinder, and a reinforcing rib is fixed between the epitaxial plate and the upper mold.

[0012] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0013] 1. The utility model can divide the cooling liquid cavity into a plurality of first cooling liquid tanks and a plurality of second cooling liquid tanks through a partition. The cooperation of the heat exchange tank and the heat exchange tube can pre-cool the thick part on the lower mold, cool and shape the thick part of the water-cooled plate die-casting in advance, and accelerate the cooling of the thick part of the water-cooled plate die-casting. The setting of the first water pump and the second water pump can control the flow rate of the coolant in the first cooling liquid tank and the second cooling liquid tank, and then adjust and control the heat exchange speed of different thick and thin areas of the water-cooled plate die-casting, so that the cooling speed of the thin and thick areas of the water-cooled plate die-casting is kept synchronous, thereby improving the quality of the water-cooled plate die-casting.

[0014] 2. The utility model arranges a negative pressure main pipe, a plug plate and a negative pressure groove. By starting the negative pressure pump, the air in the negative pressure groove can be extracted. The negative pressure principle is used to seal the lower mold and the upper mold together. The arrangement of the extension plate and the guide cylinder allows the lower mold and the upper mold to be quickly positioned and matched. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the structure of the utility model;

[0016] Figure 2 This is a structural diagram of the bottom of the upper mold of the utility model;

[0017] Figure 3 This is a structural diagram of the lower mold of the utility model;

[0018] Figure 4This is a structural diagram of the utility model when the plug plate and the negative pressure main pipe are connected;

[0019] Figure 5 It is a cross-sectional view of the lower mold of the utility model;

[0020] Figure 6 This is an enlarged structural diagram of point A of the utility model.

[0021] In the figure: 1. lower mold; 2. upper mold; 3. liquid injection port; 4. air outlet; 5. epitaxial plate; 6. guide cylinder; 7. reinforcing ribs; 8. guide column; 9. first liquid inlet pipe; 10. first liquid outlet pipe; 11. first water pump; 12. second liquid inlet pipe; 13. second liquid outlet pipe; 14. second water pump; 15. heat exchange pipe; 16. air inlet box; 17. air outlet box; 18. negative pressure tank; 19. plug plate; 20. negative pressure main pipe; 21. negative pressure branch pipe; 22. negative pressure pump; 23. partition; 24. first cold liquid tank; 25. second cold liquid tank; 26 heat exchange tank; 27. heat conduction plate. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] like Figures 1 to 6 As shown, the utility model provides a water-cooled plate liquid forging die-casting mold, including a lower mold 1, an upper mold 2 and a negative pressure main pipe 20, a plug plate 19 is fixed on the upper surface of the lower mold 1, a negative pressure groove 18 is opened on the lower surface of the upper mold 2, a liquid injection port 3 and an air outlet 4 are arranged on the upper surface of the upper mold 2, the plug plate 19 is slidably fitted inside the negative pressure groove 18, a plurality of negative pressure branch pipes 21 are fixedly connected to the negative pressure main pipe 20, and the top ends of the negative pressure branch pipes 21 sequentially penetrate the lower mold 1 and the plug plate 19 and enter the inner side of the negative pressure groove 18;

[0024] A cooling liquid cavity is provided on the inner side of the lower mold 1, and a convex portion is provided on the inner top of the cooling liquid cavity. A plurality of partitions 23 are fixed in the cooling liquid cavity. The cooling liquid cavity is divided into a plurality of first cooling liquid tanks 24 and a plurality of second cooling liquid tanks 25 by the partitions 23. The convex portion is located on the inner side of the second cooling liquid tank 25. A plurality of heat exchange tanks 26 are provided on the convex portion, and a plurality of heat conducting plates 27 are fixed on the lower surface of the convex portion. A heat exchange tube 15 is embedded in the heat exchange tank 26. Both ends of the heat exchange tube 15 pass through the lower mold 1 and are respectively fixedly connected to an air inlet box 16 and an air outlet box 17.

[0025] Among them, a negative pressure pump 22 is installed on the negative pressure main pipe 20, the interior of the air inlet box 16 is a hollow structure, and an air inlet pipe is fixedly connected to one side of the air inlet box 16, and the air outlet box 17 is a hollow plate with one side open.

[0026] The air inlet of the external air supply device is connected with the air inlet pipe, so that the external cold air flow can be sent to the heat exchange tube 15 through the air inlet box 16, and the heat generated by the convex part arranged on the inner top of the cold liquid cavity is transferred to the heat exchange tube 15. After the cold air flow exchanges heat with the heat exchange tube 15, the hot air flow is discharged through the air outlet box 17, so as to realize the pre-cooling of the convex part and accelerate the cooling and shaping of the thick part of the water-cooled plate die-casting.

[0027] Among them, a first liquid inlet pipe 9 and a first liquid outlet pipe 10 are respectively provided on both sides of the lower mold 1. A plurality of side branches are fixedly connected to the first liquid inlet pipe 9 and the first liquid outlet pipe 10. The side branches are connected to the first cold liquid tank 24. A first water pump 11 is installed on the first liquid inlet pipe 9.

[0028] After the first water pump 11 is started, the coolant can be sent to the first cold liquid tank 24 through the first liquid inlet pipe 9 and the side branch pipe. The flow rate of the coolant in the first cold liquid tank 24 can be directly controlled by the first water pump 11. The coolant is discharged through the first liquid outlet pipe 10 after heat exchange.

[0029] Among them, a second liquid inlet pipe 12 and a second liquid outlet pipe 13 are respectively provided on both sides of the lower mold 1. The second liquid inlet pipe 12 and the second liquid outlet pipe 13 are fixedly connected with a plurality of side branches, which are connected to the second cold liquid tank 25. A second water pump 14 is installed on the second liquid inlet pipe 12.

[0030] After the second water pump 14 is started, the coolant can be sent to the second cold liquid tank 25 through the second liquid inlet pipe 12 and the side branch pipe. The flow rate of the coolant in the second cold liquid tank 25 can be directly controlled by the second liquid inlet pipe 12. The coolant is discharged through the second liquid outlet pipe 13 after heat exchange.

[0031] Among them, a number of guide columns 8 are fixed on the upper surface of the lower mold 1, and epitaxial plates 5 are fixed to the bottom of the sides of the upper mold 2. The top of the guide column 8 slides through the epitaxial plate 5. A guide tube 6 is fixed on the upper surface of the epitaxial plate 5. The guide column 8 slides in the guide tube 6, and a reinforcing rib 7 is fixed between the epitaxial plate 5 and the upper mold 2.

[0032] Through the cooperation of the guide column 8 and the extension plate 5 , the lower mold 1 and the upper mold 2 can be quickly positioned and matched. The arrangement of the guide cylinder 6 and the reinforcing rib 7 improves the structural strength of the upper mold 2 .

[0033] The working principle and use process of this utility model:

[0034] The guide column 8 passes through the extension plate 5 so that the upper mold 2 is placed directly above the lower mold 1. After the lower mold 1 and the upper mold 2 are matched, the negative pressure branch pipe 21 is started, and the air in the negative pressure tank 18 can be extracted through the negative pressure main pipe 20 and the negative pressure branch pipe 21. The lower mold 1 and the upper mold 2 are matched and fixed together by the negative pressure, and the solution is injected between the lower mold 1 and the upper mold 2 through the injection port 3. The air inlet of the external air supply device is connected to the air inlet pipe on the air inlet box 16, and the cold air flow from the outside can be passed through the air inlet box. 16 is sent to the heat exchange tube 15. After the cold air flow exchanges heat with the heat exchange tube 15, the hot air flow is discharged through the air outlet box 17, thereby pre-cooling the convex part and accelerating the cooling and shaping of the thick part of the water-cooled plate die-casting. The first water pump 11 and the second water pump 14 are started to allow the external coolant to enter the first cold liquid tank 24 and the second cold liquid tank 25 respectively through the first liquid inlet pipe 9 and the second liquid inlet pipe 12 at different flow rates, thereby achieving cooling treatment of the water-cooled plate die-casting. The setting of the heat conduction plate 27 improves the heat exchange efficiency.

[0035] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0036] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A water-cooled plate liquid forging die casting mold, comprising a lower mold (1) and an upper mold (2), characterized in that: It also includes a negative pressure main pipe (20), a plug plate (19) is fixed on the upper surface of the lower mold (1), a negative pressure groove (18) is opened on the lower surface of the upper mold (2), a liquid injection port (3) and an air outlet (4) are provided on the upper surface of the upper mold (2), the plug plate (19) is slidably fitted inside the negative pressure groove (18), and a plurality of negative pressure branch pipes (21) are fixedly connected to the negative pressure main pipe (20), and the top ends of the negative pressure branch pipes (21) sequentially penetrate the lower mold (1) and the plug plate (19) and enter the inner side of the negative pressure groove (18); A cooling liquid cavity is provided on the inner side of the lower mold (1), a convex portion is provided on the inner top of the cooling liquid cavity, a plurality of partitions (23) are fixed in the cooling liquid cavity, the cooling liquid cavity is divided into a plurality of first cooling liquid grooves (24) and a plurality of second cooling liquid grooves (25) by the partitions (23), the convex portion is located on the inner side of the second cooling liquid grooves (25), a plurality of heat exchange grooves (26) are provided on the convex portion, and a plurality of heat conduction plates (27) are fixed on the lower surface of the convex portion, a heat exchange tube (15) is embedded in the heat exchange groove (26), both ends of the heat exchange tube (15) pass through the lower mold (1) and are respectively fixedly connected to an air inlet box (16) and an air outlet box (17).

2. The liquid forging die casting mold for a water-cooled plate according to claim 1, characterized in that: A negative pressure pump (22) is installed on the negative pressure main pipe (20), the interior of the air inlet box (16) is a hollow structure, and one side of the air inlet box (16) is fixedly connected to the air inlet pipe, and the air outlet box (17) is a hollow plate with one side open.

3. The liquid forging die casting mold for a water-cooled plate according to claim 1, characterized in that: A first liquid inlet pipe (9) and a first liquid outlet pipe (10) are respectively provided on both sides of the lower mold (1); a plurality of side branch pipes are fixedly connected to the first liquid inlet pipe (9) and the first liquid outlet pipe (10); the side branch pipes are connected to the first cold liquid tank (24); and a first water pump (11) is installed on the first liquid inlet pipe (9).

4. The liquid forging die casting mold for a water-cooled plate according to claim 1, characterized in that: A second liquid inlet pipe (12) and a second liquid outlet pipe (13) are respectively provided on both sides of the lower mold (1); a plurality of side branch pipes are fixedly connected to the second liquid inlet pipe (12) and the second liquid outlet pipe (13); the side branch pipes are connected to the second cooling liquid tank (25); and a second water pump (14) is installed on the second liquid inlet pipe (12).

5. The liquid forging die casting mold for a water-cooled plate according to claim 1, characterized in that: A plurality of guide columns (8) are fixed on the upper surface of the lower mold (1), and an epitaxial plate (5) is fixed on the bottom of the peripheral side surface of the upper mold (2), and the top end of the guide column (8) slides through the epitaxial plate (5).

6. The liquid forging die casting mold for a water-cooled plate according to claim 5, characterized in that: A guide cylinder (6) is fixed on the upper surface of the epitaxial plate (5), the guide column (8) is slidably fitted in the guide cylinder (6), and a reinforcing rib (7) is fixed between the epitaxial plate (5) and the upper mold (2).

Images