Injection mold frame with mold core convenient to disassemble

Abstract

A lower mold core mounting groove is formed in the upper surface of a lower mold base, a first channel is formed in the corresponding position of the lower mold base and a supporting plate in a penetrating mode, a lower ejector rod is arranged in the first channel in a penetrating mode, and a lower ejector block is arranged at the top end of the lower ejector rod. An upper mold core mounting groove is formed in the lower surface of the upper mold base, a second channel is formed in the corresponding position of the upper mold base and the top plate in a penetrating mode, a lower pushing rod is arranged in the second channel in a penetrating mode, an upper pushing block is arranged at the bottom end of the lower pushing rod, and the top end of the lower pushing rod is connected with an upper pushing plate through a bolt. The lower die base is provided with the first channel, the lower ejector rod is arranged in the first channel, the upper die base is provided with the second channel, the upper ejector rod is arranged in the second channel, and the die core can be quickly pushed out through the lower ejector rod and the upper ejector rod, so that the die core is convenient to disassemble, and the die core replacement efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of mold frames, in particular to an injection mold frame which is convenient for disassembling a mold core. Background Art

[0002] The die frame is the support of the mold. For example, the part that combines and fixes the various parts of the mold according to a certain rule and position on the die-casting machine and enables the mold to be installed on the die-casting machine to work is called the die frame.

[0003] Currently, both the lower die base and the upper die base are provided with a die groove, and the die core is installed in the die groove. When the die core is removed from the current die frame, other tools are needed to remove the die core from the die core installation groove, which is inconvenient and has low disassembly efficiency. Therefore, an improved technology is urgently needed to solve this problem existing in the prior art. Utility Model Content

[0004] The purpose of the utility model is to provide an injection mold frame that is easy to disassemble the mold core. The lower mold base is provided with a first channel, and a lower ejector rod is arranged in the first channel. The upper mold base is provided with a second channel, and an upper ejector rod is arranged in the second channel. The mold core can be quickly pushed out through the lower ejector rod and the upper ejector rod, thereby facilitating the disassembly of the mold core and improving the efficiency of replacing the mold core, so as to solve the problems raised in the above-mentioned background technology.

[0005] To achieve the above object, the utility model provides the following technical solutions: an injection mold frame for easy disassembly of a mold core, comprising a lower mold base, an upper mold base, a lower ejector rod and an upper ejector rod;

[0006] A support plate is provided on the lower surface of the lower die seat, support blocks are provided on both sides of the lower surface of the support plate, the bottom of the support block is connected to the bottom plate, guide rods are provided at the four corners of the lower die seat, a lower die core mounting groove is provided on the upper surface of the lower die seat, a first channel is penetrated and opened at the corresponding positions of the lower die seat and the support plate, the top of the first channel is communicated with the lower die core mounting groove, a first groove is provided on the lower surface of the lower die core mounting groove and located at the first channel, the lower ejector rod is penetrated by the first channel, a lower ejector block is provided at the top end of the lower ejector rod, the lower ejector block is movably arranged in the first groove, and the bottom of the lower ejector rod is connected with the lower ejector plate by bolts;

[0007] The upper surface of the upper die seat is connected to the top plate, and guide sleeves are provided at the four corners of the upper die seat, and the guide sleeves correspond to the guide rods one by one and slide together. An upper die core mounting groove is provided on the lower surface of the upper die seat, and a second channel is provided through the corresponding positions of the upper die seat and the top plate, and the bottom of the second channel is connected to the upper die core mounting groove. A second groove is provided on the upper surface of the upper die core mounting groove and located at the second channel, and a third groove is provided on the upper surface of the top plate and located at the second channel. The lower ejector rod is penetrated into the second channel, and an upper ejector block is provided at the bottom end of the lower ejector rod, and the upper ejector block is movably arranged in the second groove. The top end of the lower ejector rod is connected to the upper ejector plate by bolts, and the upper ejector plate is movably arranged in the third groove.

[0008] Preferably, the utility model provides an injection mold frame that is easy to disassemble the mold core, wherein the thickness of the lower ejector block is not greater than the depth of the first groove, and the diameter of the lower ejector block is smaller than the inner diameter of the first groove.

[0009] Preferably, the utility model provides an injection mold frame that is easy to disassemble the mold core, wherein the thickness of the upper ejection block is not greater than the depth of the second groove, and the diameter of the upper ejection block is smaller than the inner diameter of the second groove.

[0010] Preferably, the utility model provides an injection mold frame that is easy to disassemble the mold core, wherein the outer diameter of the upper ejection plate is smaller than the inner diameter of the third groove.

[0011] Preferably, the utility model provides an injection mold frame for facilitating disassembly of a mold core, wherein the distance from the upper surface of the second groove to the upper surface of the top plate is greater than the sum of the length of the upper ejector rod and the thickness of the upper ejector plate.

[0012] Preferably, the utility model provides an injection mold frame that is easy to disassemble the mold core, wherein a feed channel is opened on one side of the upper mold base, and the feed channel is communicated with the upper mold core installation groove.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] The lower die seat is provided with a first channel, in which a lower ejector rod is arranged; the upper die seat is provided with a second channel, in which an upper ejector rod is arranged; the mold core can be quickly pushed out through the lower ejector rod and the upper ejector rod, thereby facilitating the disassembly of the mold core and improving the efficiency of replacing the mold core; secondly, a third groove is provided on the upper surface of the upper die seat, thereby hiding the upper ejector plate and ensuring that the top plate of the upper die seat does not affect the connection with the press. BRIEF DESCRIPTION OF THE DRAWINGS

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

[0016] Figure 2 It is a schematic diagram of the lower die base structure;

[0017] Figure 3 Schematic diagram of the upper die base structure.

[0018] In the figure: lower die base 1, upper die base 2, lower ejector rod 3, upper ejector rod 4, support plate 5, support block 6, bottom plate 7, guide rod 8, lower die core mounting groove 9, first channel 10, first groove 11, lower ejector block 12, lower ejector plate 13, top plate 14, guide sleeve 15, upper die core mounting groove 16, second channel 17, second groove 18, third groove 19, upper ejector block 20, upper ejector plate 21, feed channel 22. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solution of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of them. Based on the embodiments of 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;

[0020] It should be noted that, in the description of the present invention, the terms "inside", "outside", "upper", "lower", "both sides", "one end", "the other end", "left" and "right" etc. indicating directions or positional relationships are based on the directions or positional relationships 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 direction, be constructed and operated in a specific direction. Therefore, they cannot be understood as limitations on the present invention.

[0021] See also Figure 1-3 The utility model provides a technical solution: an injection mold frame for easy disassembly of a mold core, comprising a lower mold base 1, an upper mold base 2, a lower ejector rod 3 and an upper ejector rod 4;

[0022] A support plate 5 is provided on the lower surface of the lower die base 1, support blocks 6 are provided on both sides of the lower surface of the support plate 5, the bottom of the support block 6 is connected to the bottom plate 7, guide rods 8 are provided at the four corners of the lower die base 1, a lower die core mounting groove 9 is provided on the upper surface of the lower die base 1, a first channel 10 is provided through the corresponding positions of the lower die base 1 and the support plate 5, the top of the first channel 10 is connected to the lower die core mounting groove 9, and a first groove 11 is provided on the lower surface of the lower die core mounting groove 9 and located at the first channel 10. The lower ejector rod 3 is passed through the first channel 10, and a lower ejector block 12 is arranged at the top of the lower ejector rod 3. The lower ejector block 12 is movably arranged in the first groove 11. The thickness of the lower ejector block 12 is not greater than the depth of the first groove 11, and the diameter of the lower ejector block 12 is smaller than the inner diameter of the first groove 11, so as to ensure that the lower ejector block 12 can completely enter the first groove 11 and will not affect the installation of the lower mold core. The bottom of the lower ejector rod 3 is connected with a lower ejector plate 13 by bolts;

[0023] The upper surface of the upper die seat 2 is connected to the top plate 14, and guide sleeves 15 are provided at the four corners of the upper die seat 2. The guide sleeves 15 correspond to the guide rods 8 one by one and slide together. An upper die core mounting groove 16 is provided on the lower surface of the upper die seat 2. A second channel 17 is provided through the corresponding positions of the upper die seat 2 and the top plate 14. The bottom of the second channel 17 is connected to the upper die core mounting groove 16. A second groove 18 is provided on the upper surface of the upper die core mounting groove 16 and is located at the second channel 17. A third groove 19 is provided on the upper surface of the top plate 14 and is located at the second channel 17. The lower ejector rod 3 is penetrated in the second channel 17, and an upper ejector block 20 is provided at the bottom end of the lower ejector rod 3. The upper ejector block 20 is movably arranged in the second groove 18. The thickness of the upper ejector block 20 is not greater than the depth of the second groove 18, and the diameter of the upper ejector block 20 is smaller than the inner diameter of the second groove 18. The upper ejector plate 21 is movably arranged in the third groove 19, and the outer diameter of the upper ejector plate 21 is smaller than the inner diameter of the third groove 19 to ensure that the upper ejector plate 21 can enter the third groove 19 and does not affect the sliding of the upper ejector plate 21. The distance from the upper surface of the second groove 18 to the upper surface of the top plate 14 is greater than the length of the upper ejector rod 4 plus the thickness of the lower ejector plate 21 to ensure that even if the upper ejector block 20 enters the second groove 18, the upper ejector plate 21 will not leave the third groove 19. A feed channel 22 is provided on one side of the upper mold base 2, and the feed channel 22 is communicated with the upper mold core mounting groove 16, and injection feeding is realized through the feed channel 22.

[0024] Installation method and principle of use: First, connect the support block 6 to the bottom plate 7 and the support plate 5 respectively by bolts, then connect the lower die base 1 to the support plate 5 by bolts, and then connect the upper die base 2 to the top plate 14 by bolts to complete the assembly of the upper die and the lower die. Then, pass the lower ejector rod 3 from top to bottom through the first channel 10 of the lower die base 1, and then install the lower ejector plate 13 to the bottom end of the lower ejector plate 13 by bolts. At this time, the lower ejector plate 13 is located in the space between the support plate 5 and the bottom plate 7. Then pass the upper ejector plate 21 from bottom to top through the second channel 17 of the upper die base 2, and then install the upper ejector plate 21 on the top of the upper ejector plate 21 by bolts. At this time, the upper ejector plate 21 is hidden in the third groove 19 to complete the assembly. Before use, the lower mold core is installed in the lower mold core installation groove 9 of the lower mold base 1, and the upper mold core is installed in the upper mold core installation groove 16 of the upper mold base 2. At this time, although the upper ejector block 20 enters the second groove 18, the upper ejector plate 21 is still hidden in the third groove 19. When replacing the mold core, remove the screws used to fix the mold core, knock the lower ejector plate 13 and the upper ejector plate 21, and through the cooperation of the lower ejector rod 3, the lower ejector block 12, the upper ejector rod 4 and the upper ejector block 20, the lower mold core is separated from the lower mold core installation groove 9, and the upper mold core is separated from the upper mold core installation groove 16, and the mold core is disassembled. The utility model has a reasonable structure. The lower die base 1 is provided with a first channel 10, in which a lower ejector rod 3 is arranged. The upper die base 2 is provided with a second channel 17, in which an upper ejector rod 4 is arranged. The mold core can be quickly pushed out through the lower ejector rod 3 and the upper ejector rod 4, so that the mold core is easy to disassemble and the efficiency of replacing the mold core is improved. Secondly, the upper surface of the upper die base 2 is provided with a third groove 19, so as to hide the upper ejector plate 21 and ensure that the top plate 14 of the upper die base 2 does not affect the connection with the press.

[0025] The matters not described in detail in the present invention are all known technologies to those skilled in the art.

[0026] Finally, it should be noted that the above specific implementation methods are only used to illustrate the technical solution of the utility model rather than to limit it. Although the utility model is described in detail with reference to the embodiments, ordinary technicians in the 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 that is easy to disassemble the mold core, characterized in that: It comprises a lower die base (1), an upper die base (2), a lower ejector rod (3) and an upper ejector rod (4); The lower surface of the lower die base (1) is provided with a support plate (5), and support blocks (6) are provided on both sides of the lower surface of the support plate (5), and the bottom of the support block (6) is connected to the bottom plate (7). The four corners of the lower die base (1) are provided with guide rods (8), and the upper surface of the lower die base (1) is provided with a lower die core mounting groove (9). The corresponding positions of the lower die base (1) and the support plate (5) are penetrated by a first channel (10), and the top of the first channel (10) is provided with a plurality of guide rods (8). The lower mold core installation groove (9) is connected to each other, and a first groove (11) is provided on the lower surface of the lower mold core installation groove (9) and located at the first channel (10). The lower ejector rod (3) is inserted into the first channel (10), and a lower ejector block (12) is provided at the top of the lower ejector rod (3). The lower ejector block (12) is movably arranged in the first groove (11), and the bottom of the lower ejector rod (3) is connected to a lower ejector plate (13) by bolts; The upper surface of the upper die seat (2) is connected to the top plate (14), and guide sleeves (15) are arranged at the four corners of the upper die seat (2). The guide sleeves (15) correspond to the guide rods (8) one by one and are slidably matched. The lower surface of the upper die seat (2) is provided with an upper die core mounting groove (16), and a second channel (17) is provided through the corresponding positions of the upper die seat (2) and the top plate (14), and the bottom of the second channel (17) is communicated with the upper die core mounting groove (16). The upper surface of the upper die core mounting groove (16) and the position of the second channel (17) are connected to each other. 7), a second groove (18) is provided at the top surface of the top plate (14) and a third groove (19) is provided at the second channel (17), the lower ejector rod (3) is inserted into the second channel (17), an upper ejector block (20) is provided at the bottom end of the lower ejector rod (3), the upper ejector block (20) is movably arranged in the second groove (18), the top end of the lower ejector rod (3) is connected to an upper ejector plate (21) by bolts, and the upper ejector plate (21) is movably arranged in the third groove (19).

2. The injection mold frame for easily disassembling the mold core according to claim 1, characterized in that: The thickness of the lower ejection block (12) is not greater than the depth of the first groove (11), and the diameter of the lower ejection block (12) is smaller than the inner diameter of the first groove (11).

3. The injection mold frame with easy-to-disassemble mold core according to claim 1, characterized in that: The thickness of the upper ejection block (20) is not greater than the depth of the second groove (18), and the diameter of the upper ejection block (20) is smaller than the inner diameter of the second groove (18).

4. The injection mold frame with easy-to-disassemble mold core according to claim 1, characterized in that: The outer diameter of the upper ejection plate (21) is smaller than the inner diameter of the third groove (19).

5. The injection mold frame with easy-to-disassemble mold core according to claim 1, characterized in that: The distance from the upper surface of the second groove (18) to the upper surface of the top plate (14) is greater than the sum of the length of the upper ejection rod (4) and the thickness of the lower ejection plate (21).

6. The injection mold frame with easy-to-disassemble mold core according to claim 1, characterized in that: A feed channel (22) is provided on one side of the upper die seat (2), and the feed channel (22) is communicated with the upper die core mounting groove (16).

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