Injection mold frame with good heat dissipation performance

Abstract

The utility model discloses an injection mould base with good heat dissipation performance, a lower mould core mounting groove is arranged on the upper surface of a lower mould base, first heat dissipation grooves are arranged on the lower mould base on two sides of the lower mould core mounting groove, a plurality of lower heat dissipation grooves are further arranged at the first heat dissipation grooves, and an upper mould base is matched with the lower mould base. An upper mold core mounting groove is formed in the lower surface of the upper mold base, second heat dissipation grooves are formed in the positions, located on the two sides of the upper mold core mounting groove, of the upper mold base, after injection molding is completed, heat in the lower mold base is further discharged through the lower heat dissipation grooves while cooling oil is used for heat exchange cooling, and heat in the upper mold groove is further transmitted to the lower portion through the second heat dissipation grooves; and the heat and the heat in the lower die groove are discharged out of the die frame from the first heat dissipation groove, so that the heat dissipation performance of the die frame is greatly improved.

Description

Technical Field

[0001] The utility model relates to the technical field of mold frames, in particular to an injection mold frame with good heat dissipation performance. Background Art

[0002] The mold frame is the support of the mold. For example, on a die-casting machine, the various parts of the mold are combined and fixed according to a certain pattern and position, and the part that enables the mold to be installed on the die-casting machine is called the mold frame. The mold core is generally installed inside the injection mold frame. The mold cavity is formed by the cooperation of the upper and lower mold cores, and then the material is injected into the mold cavity to obtain the product.

[0003] Existing injection mold frames generally only cool the mold frame through the cooling oil channels inside the lower mold base and the upper mold base. The internal heat is also cooled only by heat exchange with the cooling oil. The heat dissipation has certain limitations. Therefore, an improved technology is urgently needed to solve this problem existing in the existing technology. Utility Model Content

[0004] The purpose of the utility model is to provide an injection mold frame with good heat dissipation. When the injection molding is completed, while the heat is cooled by heat exchange of cooling oil, the heat inside the lower mold base is also discharged through the lower heat dissipation groove, and the heat inside the upper mold groove is also transferred to the lower part through the second heat dissipation groove, and is discharged from the mold frame to the outside through the first heat dissipation groove together with the heat inside the lower mold groove, thereby greatly improving the heat dissipation performance of the mold frame to solve the problems raised in the above-mentioned background technology.

[0005] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: an injection mold frame with good heat dissipation performance, comprising a lower mold body and an upper mold body;

[0006] The top of the mold base is connected with the support frame, and the bottom of the mold base is connected with the support frame. A plurality of heat dissipation grooves are provided on the top of the mold base, and the heat dissipation grooves are connected to the bottom of the mold base.

[0007] The upper mold body includes an upper mold base, an intermediate plate and a top plate. An upper mold core mounting groove is provided on the lower surface of the upper mold base. Second heat dissipation grooves are provided on both sides of the upper mold core mounting groove of the upper mold base. The position of the second heat dissipation groove corresponds to the position of the first heat dissipation groove. The inner end of the second heat dissipation groove is connected with the upper mold core mounting groove. A top plate is provided on the upper surface of the upper mold base through the intermediate plate. Second guide rods are provided at the four corners of the upper mold base. The second guide rods correspond to the guide sleeves one by one and slide together. An upper cooling oil channel is provided inside the upper mold base, and the upper cooling oil channel is arranged above the second heat dissipation groove.

[0008] Preferably, the utility model provides an injection mold frame with good heat dissipation, wherein the top plate is provided with a pouring port, the middle plate is provided with a transition channel, a plurality of pouring channels are provided inside the upper mold base, the two ends of the transition channel are respectively connected with the pouring channel and the pouring port, and the bottom of the pouring channel is connected with the upper mold core mounting groove.

[0009] Preferably, the utility model provides an injection mold frame with good heat dissipation, wherein the bottom plate is provided with a through hole.

[0010] Preferably, the utility model provides an injection mold frame with good heat dissipation, wherein the lower mold base is provided with lower mold core fixing connection grooves at both ends and one side of the lower mold core installation groove.

[0011] Preferably, the utility model provides an injection mold frame with good heat dissipation, wherein the upper mold base is provided with upper mold core fixing connection grooves at both ends and one side of the upper mold core installation groove.

[0012] Compared with the prior art, the beneficial effects of the present invention are:

[0013] The lower mold base is provided with a first heat dissipation groove on both sides of the lower mold core installation groove, and a plurality of lower heat dissipation grooves are also provided at the first heat dissipation groove. The upper mold base is provided with a second heat dissipation groove on both sides of the upper mold core installation groove. When the injection molding is completed, while cooling by heat exchange with cooling oil, the heat inside the lower mold base is also discharged through the lower heat dissipation groove, and the heat inside the upper mold groove is also transferred to the lower part through the second heat dissipation groove, and is discharged from the outside of the mold frame from the first heat dissipation groove together with the heat inside the lower mold groove, thereby greatly improving the heat dissipation performance of the mold frame. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a structural diagram of the utility model;

[0015] Figure 2 This is a schematic diagram of the front view structure of the utility model;

[0016] Figure 3 For attachment Figure 2 Schematic diagram of the cross-section structure at the mark AA;

[0017] Figure 4 Schematic diagram of the lower die base structure;

[0018] Figure 5 Schematic diagram of the upper die base structure.

[0019] In the figure: lower die base 1, support block 2, push plate 3, ejector pin 4, bottom plate 5, lower die core mounting groove 6, first heat dissipation groove 7, heat dissipation groove 8, lower cooling oil channel 9, first guide rod 10, guide sleeve 11, upper die base 12, middle plate 13, top plate 14, upper die core mounting groove 15, second heat dissipation groove 16, second guide rod 17, upper cooling oil channel 18, pouring gate 19, transition channel 20, pouring channel 21, through hole 22, lower die core fixed connecting groove 23, upper die core fixed connecting groove 24. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts shall fall within the scope of protection of the present invention.

[0021] It should be noted that, in the description of the present invention, the terms "inside", "outside", "up", "down", "both sides", "one end", "the other end", "left", "right", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the accompanying drawings. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, they cannot be understood as a limitation on the present invention.

[0022] See also Figure 1-5 , the utility model provides a technical solution: an injection mold frame with good heat dissipation, comprising a lower mold body and an upper mold body;

[0023] The lower mold body includes a lower mold base 1, a support block 2, a push plate 3, an ejector pin 4 and a bottom plate 5. A lower mold core mounting groove 6 is provided in the middle position of the upper surface of the lower mold base 1. The lower mold base 1 is provided with a lower mold core fixing connection groove 23 at both ends and one side of the lower mold core mounting groove 6 to achieve connection with the connecting plate around the lower mold core when the lower mold core is installed. A first heat dissipation groove 7 is provided on the upper surface of the lower mold base 1 and on both sides of the lower mold core mounting groove 6. The outer end of the first heat dissipation groove 7 is communicated with the outside of the lower mold base 1, and the inner end of the first heat dissipation groove 7 is communicated with the lower mold core mounting groove 6. A plurality of heat dissipation grooves 8 are provided at the first heat dissipation groove 7. A lower cooling oil channel 9 is provided inside the lower mold base 1. The cooling oil channel 9 is arranged below the heat dissipation groove 8. The two sides of the lower surface of the lower die base 1 are respectively connected to the upper surfaces of the two support blocks 2. The bottom of the support block 2 is connected to the two sides of the bottom plate 5. A plurality of first guide rods 10 are provided between the lower die base 1 and the bottom plate 5. The push plate 3 slides with the first guide rod 10 and is movably provided between the lower die base 1 and the bottom plate 5. The bottom plate 5 is provided with a through hole 22 to enable the piston rod of the push cylinder to pass through, thereby achieving connection with the push plate 3, and then realizing the use of the push plate 3 and the ejector pin 4 to push the product out of the mold core during demoulding. A plurality of ejector pins 4 are provided on the upper surface of the push plate 3. The ejector pin 4 is penetrated by the lower die base 1. The four corners of the lower die base 1 are provided with guide sleeves 11;

[0024] The upper mold body includes an upper mold base 12, an intermediate plate 13 and a top plate 14. An upper mold core mounting groove 15 is provided on the lower surface of the upper mold base 12. The upper mold base 12 is provided with an upper mold core fixing connection groove 24 at both ends and one side of the upper mold core mounting groove 15 to achieve connection with the connecting plate around the upper mold core when the upper mold core is installed. The upper mold base 12 is provided with a second heat dissipation groove 16 on both sides of the upper mold core mounting groove 15. The position of the second heat dissipation groove 16 corresponds to the position of the first heat dissipation groove 7. The inner end of the second heat dissipation groove 16 is communicated with the upper mold core mounting groove 15. The upper surface of the upper mold base 12 is provided with a top plate 14 through the intermediate plate 13. The four corners of the upper mold base 12 are provided with A second guide rod 17 is provided, which corresponds to the guide sleeve 11 one by one and slides together. An upper cooling oil channel 18 is provided inside the upper mold base 12, and the upper cooling oil channel 18 is arranged above the second heat dissipation groove 16. A pouring port 19 is provided on the top plate 14, and a transition channel 20 is provided on the middle plate 13. A plurality of pouring channels 21 are provided inside the upper mold base 12. The two ends of the transition channel 20 are respectively connected with the pouring channel 21 and the pouring port 19. The bottom of the pouring channel 21 is connected with the upper mold core mounting groove 15. The raw material is injected into the mold cavity inside the upper mold core and the lower mold core through the pouring port 19, the transition channel 20 and the pouring channel 21.

[0025] Usage and Principle: First, place the push plate 3 with the ejector pin 4 under the lower die base 1, then pass the ejector pin 4 through the lower die base 1. Next, place the two support plates on both sides of the lower surface of the lower die base 1. At the same time, fasten the bottom plate 5 to the support plates and the lower die base 1 with bolts to complete the assembly of the lower die body. Place the middle plate 13 on top of the upper die base 12, then place the top plate 14 on the upper surface of the middle plate 13. Then fasten the top plate 14, the middle plate 13 and the upper die base 12 with bolts to complete the assembly of the upper die body. Before use, the lower mold core is installed in the lower mold core installation groove 6 of the lower mold base 1, the ejector pin 4 passes through the bottom of the lower mold core and is flush with the inside of the lower mold core, the upper mold core is installed in the upper mold core installation groove 15 of the upper mold base 12, the upper mold is connected to the press, the piston rod of the ejection cylinder passes through the through hole 22 of the bottom plate 5 and is connected to the push plate 3. When in use, first close the mold, and let the material enter the mold cavity formed by the merger of the lower mold core and the upper mold core from the pouring gate 19, the transition channel 20 and the pouring channel 21. Then, during the cooling process, the cooling oil enters the lower cooling oil channel 9 and the upper cooling oil channel 18 respectively to cool the mold, and the temperature of the material is conducted through the mold core into the first heat dissipation groove 7 and the second heat dissipation groove 16 respectively. The temperature of the lower mold base 1 also enters the first heat dissipation groove 7 from the heat dissipation groove 8, and then is smoothly discharged from the outside of the mold from the first heat dissipation groove 7. The utility model has a reasonable structure. The lower mold base 1 is provided with first heat dissipation grooves 7 on both sides of the lower mold core mounting groove 6, and a plurality of heat dissipation grooves 8 are further provided at the first heat dissipation groove 7. The upper mold base 12 is provided with second heat dissipation grooves 16 on both sides of the upper mold core mounting groove 15. When the injection molding is completed, while being cooled by heat exchange with cooling oil, the heat inside the lower mold base 1 is also discharged through the heat dissipation grooves 8, and the heat inside the upper mold groove is also transferred to the lower part through the second heat dissipation grooves 16, and is discharged from the mold frame to the outside from the first heat dissipation groove 7 together with the heat inside the lower mold groove, thereby greatly improving the heat dissipation performance of the mold frame.

[0026] Anything not described in detail in the present invention is well known to those skilled in the art.

[0027] Finally, it should be noted that the above specific implementation methods are only used to illustrate the technical solution of the utility model and are not limiting. Although the utility model is described in detail with reference to the embodiments, ordinary technicians in this field should understand that the technical solution of the utility model can be modified and replaced by equivalents without departing from the spirit and scope of the technical solution of the utility model, which should be included in the scope of the claims of the utility model.

Claims

1. An injection mold frame with good heat dissipation, characterized by: It includes a lower mold body and an upper mold body; The lower die body comprises a lower die base (1), a support block (2), a push plate (3), an ejector pin (4) and a bottom plate (5); a lower die core mounting groove (6) is provided in the middle position of the upper surface of the lower die base (1); a first heat dissipation groove (7) is provided on the upper surface of the lower die base (1) and on both sides of the lower die core mounting groove (6); the outer end of the first heat dissipation groove (7) is communicated with the outside of the lower die base (1); the inner end of the first heat dissipation groove (7) is communicated with the lower die core mounting groove (6); a plurality of heat dissipation grooves (8) are provided at the first heat dissipation groove (7); a lower cooling oil channel (9) is provided inside the lower die base (1); The lower cooling oil channel (9) is arranged below the heat dissipation groove (8), the two sides of the lower surface of the lower die base (1) are respectively connected to the upper surfaces of the two support blocks (2), the bottom of the support block (2) is connected to the two sides of the bottom plate (5), a plurality of first guide rods (10) are arranged between the lower die base (1) and the bottom plate (5), the push plate (3) and the first guide rods (10) are slidably matched and movably arranged between the lower die base (1) and the bottom plate (5), a plurality of ejector pins (4) are arranged on the upper surface of the push plate (3), the ejector pins (4) are passed through the lower die base (1), and the four corners of the lower die base (1) are provided with guide sleeves (11); The upper mold body comprises an upper mold base (12), an intermediate plate (13) and a top plate (14); an upper mold core mounting groove (15) is provided on the lower surface of the upper mold base (12); second heat dissipation grooves (16) are provided on both sides of the upper mold core mounting groove (15); the position of the second heat dissipation groove (16) corresponds to the position of the first heat dissipation groove (7); the inner end of the second heat dissipation groove (16) is communicated with the upper mold core mounting groove (15); a top plate (14) is provided on the upper surface of the upper mold base (12) through the intermediate plate (13); second guide rods (17) are provided at the four corners of the upper mold base (12); the second guide rods (17) correspond to the guide sleeves (11) one by one and slide together; an upper cooling oil channel (18) is provided inside the upper mold base (12); the upper cooling oil channel (18) is arranged above the second heat dissipation groove (16).

2. The injection mold frame with good heat dissipation according to claim 1, characterized in that: The top plate (14) is provided with a pouring port (19), the middle plate (13) is provided with a transition channel (20), and a plurality of pouring channels (21) are provided inside the upper mold base (12). The two ends of the transition channel (20) are respectively connected to the pouring channel (21) and the pouring port (19), and the bottom of the pouring channel (21) is connected to the upper mold core mounting groove (15).

3. The injection mold frame with good heat dissipation according to claim 1, characterized in that: The bottom plate (5) is provided with a through hole (22).

4. The injection mold frame with good heat dissipation according to claim 1, characterized in that: The lower die base (1) is provided with lower die core fixing connection grooves (23) at both ends and one side of the lower die core installation groove (6).

5. The injection mold frame with good heat dissipation according to claim 1, characterized in that: The upper die seat (12) is provided with upper die core fixing connection grooves (24) at both ends and one side of the upper die core installation groove (15).

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