Injection mold frame with double guide structures

Abstract

The utility model discloses an injection mold frame with a double-guide structure, which is characterized in that vertical blocks are arranged on two sides of the upper surface of a bottom plate, a lower mold base is arranged on the upper surfaces of the vertical blocks, lower guide sleeves are arranged at four corners of the lower mold base, chamfers are arranged on the outer surfaces and the inner surfaces of the top ends of the lower guide sleeves, guide sleeves are arranged at four corners of an upper mold base, and the guide sleeves are connected with the lower mold base. The lower guide sleeves are in one-to-one correspondence with the guide sleeves and are in sliding fit with the corresponding guide sleeves; according to the utility model, the structure is reasonable, the lower guide sleeves are arranged at the four corners of the lower die holder, the four corners of the upper die holder are matched with the lower guide sleeves through the guide sleeves, and meanwhile, the upper guide rods are coaxially arranged in the guide sleeves, so that the lower guide sleeves are matched with the lower guide sleeves through the guide sleeves; the upper guide rod and the lower guide sleeve are matched in a guiding mode, double guiding is achieved, the guiding effect is better compared with a traditional single guide rod structure, and the situation that the guide rod deviates due to stress is prevented.

Description

Technical Field

[0001] The utility model relates to the technical field of mold frames, in particular to an injection mold frame with a double guiding structure. 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] The mold frame mainly consists of a movable mold, a fixed mold and a guide mechanism, wherein the movable mold and the fixed mold are generally guided by the cooperation of guide rods and guide sleeves. The existing injection mold frame is guided by the cooperation of guide rods and guide sleeves. During the long-term guiding process, internal stress is easily generated after friction occurs, resulting in a slight offset and a decrease in accuracy. 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 with a double guide structure, wherein the four corners of the lower mold base are provided with lower guide sleeves, and the four corners of the upper mold base cooperate with the lower guide sleeves through guide sleeves, and at the same time, upper guide rods are coaxially arranged in each guide sleeve, and the upper guide rods and the lower guide sleeves are further guided and cooperated, and the double guide has a better guiding effect than the traditional single guide rod structure, and prevents the guide rod from being offset due to stress, so as to solve the problems raised in the above-mentioned background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an injection mold frame with a double guide structure, comprising a lower mold body, an upper mold body and an upper guide rod;

[0006] The lower mold body includes a bottom plate, a vertical block, a support plate and a lower mold base. The vertical blocks are arranged on both sides of the upper surface of the bottom plate, the lower mold base is arranged on the upper surface of the vertical blocks, and the lower mold base is arranged at four corners of the lower mold base. The outer surface and the inner surface of the top end of the lower guide sleeve are both chamfered.

[0007] The upper die body comprises a top plate and an upper die seat, the upper die seat is arranged on the lower surface of the top plate, guide sleeves are arranged at four corners of the upper die seat, the lower guide sleeves correspond to the guide sleeves one by one, and the lower guide sleeves are slidably matched with the corresponding guide sleeves;

[0008] A connecting plate is provided at the top end of the upper guide rod, the upper guide rod is arranged in the guide sleeve and coaxially arranged with the guide sleeve, the connecting plate is connected to the upper surface of the top plate by bolts, the upper guide rod is plugged and slidably matched with the corresponding lower guide sleeve, and a chamfer is provided at the bottom of the upper guide rod.

[0009] Preferably, the utility model provides an injection mold frame with a double guide structure, wherein a lower mold core mounting groove is provided on the upper surface of the lower mold base.

[0010] Preferably, the utility model provides an injection mold frame with a double guide structure, wherein an upper mold core mounting groove is provided on the lower surface of the upper mold base, the upper mold core mounting groove corresponds to the lower mold core mounting groove, and a feed channel is also provided on one side of the upper mold base, and the feed channel is connected to the upper mold core mounting groove.

[0011] Preferably, the utility model provides an injection mold frame with a double guide structure, wherein a press connecting seat is provided at the middle position of the upper surface of the upper mold seat.

[0012] Preferably, the utility model provides an injection mold frame with a double guide structure, wherein an exhaust groove is provided on the inner wall of the guide sleeve, and an exhaust passage is provided inside the upper guide rod and penetrates the upper guide rod along the axial direction.

[0013] Preferably, the utility model provides an injection mold frame with a double guide structure, wherein the outer diameter of the lower guide sleeve is consistent with the inner diameter of the guide sleeve, and the inner diameter of the lower guide sleeve is consistent with the outer diameter of the upper guide rod.

[0014] Compared with the prior art, the beneficial effects of the utility model are:

[0015] The four corners of the lower die seat are provided with lower guide sleeves, and the four corners of the upper die seat are matched with the lower guide sleeves through guide sleeves. At the same time, an upper guide rod is coaxially arranged in each guide sleeve, and the upper guide rod and the lower guide sleeve are guided and matched again. The double guidance has a better guiding effect than the traditional single guide rod structure, and prevents the guide rod from shifting due to stress. At the same time, chamfers are provided on the top of the lower guide sleeve and the bottom of the upper guide rod to ensure smoothness during insertion and avoid collision, thereby ensuring the service life. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a structural schematic diagram of the utility model;

[0017] Figure 2 This is a schematic diagram of the assembly structure of the utility model;

[0018] Figure 3 This is a schematic diagram of the upper mold body structure when viewed from above.

[0019] In the figure: bottom plate 1, vertical block 2, support plate 3, lower die seat 4, lower guide sleeve 5, top plate 6, upper die seat 7, guide sleeve 8, upper guide rod 9, connecting plate 10, lower die core mounting groove 11, upper die core mounting groove 12, feed channel 13, press connecting seat 14, exhaust groove 15, exhaust channel 16. DETAILED DESCRIPTION

[0020] 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;

[0021] 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.

[0022] See also Figure 1-3 , the utility model provides a technical solution: an injection mold frame with a double guide structure, including a lower mold body, an upper mold body and an upper guide rod 9;

[0023] The lower die body comprises a bottom plate 1, a vertical block 2, a support plate 3 and a lower die seat 4. The vertical blocks 2 are arranged on both sides of the upper surface of the bottom plate 1, the lower die seat 4 is arranged on the upper surface of the vertical block 2, the lower die seat 4 is arranged at the four corners of the lower die seat 4, the outer surface and the inner surface of the top of the lower guide sleeve 5 are both chamfered, and the upper surface of the lower die seat 4 is provided with a lower die core installation groove 11, through which the lower die core installation groove 11 is used to realize the installation, removal and replacement of the lower die core;

[0024] The upper die body includes a top plate 6 and an upper die seat 7. The upper die seat 7 is provided on the lower surface of the top plate 6. The four corners of the upper die seat 7 are provided with guide sleeves 8. The lower guide sleeves 5 correspond to the guide sleeves 8 one by one. The lower guide sleeves 5 slide with the corresponding guide sleeves 8. The lower surface of the upper die seat 7 is provided with an upper die core mounting groove 12. The upper die core mounting groove 12 corresponds to the lower die core mounting groove 11. The lower die core is installed, disassembled and replaced through the upper die core mounting groove 12. A feed channel 13 is also provided on one side of the upper die seat 7. The feed channel 13 is connected to the upper die core mounting groove 12. The material injection is realized through the feed channel 13. A press connection seat 14 is provided in the middle position of the upper surface of the upper die seat 7 to realize connection with the press, thereby realizing the lifting and lowering of the upper die body.

[0025] A connecting plate 10 is provided at the top end of the upper guide rod 9. The upper guide rod 9 is arranged in the guide sleeve 8 and coaxially arranged with the guide sleeve 8. The connecting plate 10 is connected to the upper surface of the top plate 6 by bolts. The upper guide rod 9 is plugged and slidably matched with the corresponding lower guide sleeve 5. A chamfer is provided at the bottom of the upper guide rod 9. An exhaust groove 15 is provided on the inner wall of the guide sleeve 8. An exhaust channel 16 is provided inside the upper guide rod 9 and axially penetrates therethrough to respectively realize exhaust inside the lower guide sleeve 5 and the guide sleeve 8, thereby ensuring the smoothness of the guidance. The outer diameter of the lower guide sleeve 5 is consistent with the inner diameter of the guide sleeve 8, and the inner diameter of the lower guide sleeve 5 is consistent with the outer diameter of the upper guide rod 9 to ensure the stability of the guide structure.

[0026] Installation method and principle of use: First, install the support plate 3 on the lower surface of the lower die base 4 by bolts, then insert the lower guide sleeve 5 into the four corners of the lower die base 4 and fasten it to the support plate 3 by bolts to complete the fixation of the lower guide sleeve 5. Then, connect the support plate 3 to the vertical block 2 by bolts, and connect the bottom plate 1 to the bottom of the vertical block 2 by bolts to complete the assembly of the lower die body. Insert the upper guide rod 9 into the guide sleeve 8 from top to bottom, and fix the connecting plate 10 to the upper surface of the upper die base 7 by bolts to complete the assembly of the upper die body. Before use, install the lower die core in the lower die core installation groove 11 of the lower die base 4, and then install the upper die core in the upper die core installation groove 12 of the upper die base 7, and connect the upper surface of the upper die base 7 to the output end of the press through the press connecting seat 14 to complete the installation. When in use, the upper die seat 7 is pressed down by the press machine. During the process, the lower guide sleeve 5 is inserted into the guide sleeve 8, and then the upper guide rod 9 is inserted into the lower guide sleeve 5 to guide the lower die seat 4 and the upper die seat 7. The utility model has a reasonable structure. The four corners of the lower die seat 4 are provided with lower guide sleeves 5. The four corners of the upper die seat 7 cooperate with the lower guide sleeve 5 through the guide sleeve 8. At the same time, the upper guide rod 9 is coaxially arranged in each guide sleeve 8. The upper guide rod 9 and the lower guide sleeve 5 are guided and matched. The double guidance has a better guiding effect than the traditional single guide rod structure, and prevents the occurrence of guide rod deviation due to stress. At the same time, the top of the lower guide sleeve 5 and the bottom of the upper guide rod 9 are both chamfered to ensure smoothness during insertion and avoid collision, thereby ensuring the service life.

[0027] The matters not described in detail in the present invention are all known technologies to those skilled in the art.

[0028] 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 with a double guide structure, characterized in that: It comprises a lower die body, an upper die body and an upper guide rod (9); The lower mold body comprises a bottom plate (1), a vertical block (2), a support plate (3) and a lower mold base (4); vertical blocks (2) are arranged on both sides of the upper surface of the bottom plate (1); the lower mold base (4) is arranged on the upper surface of the vertical block (2); lower guide sleeves (5) are arranged at four corners of the lower mold base (4); the outer surface and the inner surface of the top end of the lower guide sleeve (5) are both chamfered; The upper die body comprises a top plate (6) and an upper die seat (7); the upper die seat (7) is arranged on the lower surface of the top plate (6); guide sleeves (8) are arranged at four corners of the upper die seat (7); the lower guide sleeves (5) correspond to the guide sleeves (8) one by one, and the lower guide sleeves (5) are slidably matched with the corresponding guide sleeves (8); A connecting plate (10) is provided at the top end of the upper guide rod (9). The upper guide rod (9) is arranged in the guide sleeve (8) and is coaxially arranged with the guide sleeve (8). The connecting plate (10) is connected to the upper surface of the top plate (6) by bolts. The upper guide rod (9) is plugged and slidably matched with the corresponding lower guide sleeve (5). The bottom of the upper guide rod (9) is chamfered.

2. The injection mold frame with a double guide structure according to claim 1, characterized in that: The upper surface of the lower die base (4) is provided with a lower die core mounting groove (11).

3. The injection mold frame with a double guide structure according to claim 1, characterized in that: An upper die core mounting groove (12) is provided on the lower surface of the upper die base (7), and the upper die core mounting groove (12) corresponds to the lower die core mounting groove (11). A feed channel (13) is also provided on one side of the upper die base (7), and the feed channel (13) is connected to the upper die core mounting groove (12).

4. The injection mold frame with a double guide structure according to claim 1, characterized in that: A press connection seat (14) is provided at the middle position of the upper surface of the upper die seat (7).

5. The injection mold frame with a double guide structure according to claim 1, characterized in that: An exhaust groove (15) is provided on the inner wall of the guide sleeve (8), and an exhaust passage (16) is provided inside the upper guide rod (9) and penetrates the upper guide rod (9) in the axial direction.

6. The injection mold frame with a double guide structure according to claim 1, characterized in that: The outer diameter of the lower guide sleeve (5) is consistent with the inner diameter of the guide sleeve (8), and the inner diameter of the lower guide sleeve (5) is consistent with the outer diameter of the upper guide rod (9).

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