Injection mold with quick mold change structure

Abstract

The utility model relates to injection mold technical field, and disclose a kind of injection mold with quick die changing structure, including bottom plate, the side fixed connection of bottom plate has first mold assembly, the side fixed connection of bottom plate has second mold assembly, the second mold assembly is located above first mold assembly, first mold assembly includes connecting block, the surface of connecting block is equipped with a plurality of first sliding slot, the surface of connecting block is equipped with two fixed slots, the side sliding connection of connecting block has first baffle, first baffle is connected by two screws with connecting block screw thread connection.Present injection mold with quick die changing structure, positioning mechanism is prone to precision decline due to abrasion;Locking mechanism is manually operated, and it is insufficient in automation and locking force is uneven;Guiding mechanism is poor in adaptability, and it is easy to jam when die changing;Overall structure is complex, maintenance cost is high, and die changing efficiency is limited to the shortcoming of limited promotion.

Description

Technical Field

[0001] This utility model relates to the field of injection mold technology, and in particular to an injection mold with a quick mold change structure. Background Technology

[0002] Injection molds are tools used in the plastics processing industry in conjunction with plastic molding machines to give plastic products a complete shape and precise dimensions. During the injection molding process, when it is necessary to produce products of different specifications or types, the corresponding mold components need to be replaced.

[0003] Regarding the above and existing related technologies, the inventors believe that the following defects often exist: Traditional injection mold replacement methods usually fix the mold components to the mold base through bolts and other connecting parts. When replacing, it is necessary to disassemble and install bolts one by one, which is cumbersome, time-consuming, seriously affects production efficiency, and increases labor costs. Utility Model Content

[0004] The technical problem to be solved by this utility model is that existing injection molds with quick mold change structure have the following drawbacks: the positioning mechanism is prone to wear and tear, resulting in decreased accuracy; the locking mechanism is mostly operated manually, with insufficient automation and uneven locking force; the guiding mechanism has poor adaptability and is prone to jamming during mold change; the overall structure is complex, the maintenance cost is high, and the improvement of mold change efficiency is limited. Therefore, we propose an injection mold with quick mold change structure.

[0005] To achieve the above objectives, this application adopts the following technical solution: an injection mold with a quick mold change structure, including a base plate, a first mold assembly fixedly connected to one side of the base plate, a second mold assembly fixedly connected to one side of the base plate, the second mold assembly being located above the first mold assembly, the first mold assembly including a connecting block, a plurality of first sliding grooves being formed on the surface of the connecting block, two fixing grooves being formed on the surface of the connecting block, a first baffle being slidably connected to one side of the connecting block, the first baffle being threadedly connected to the connecting block by two screws.

[0006] Preferably, a fixing plate is slidably connected to the inner surface of both fixing slots, and a second baffle is fixedly connected to one side of the fixing plate. Two first threaded knobs are interposed on the surface of the second baffle, and the threaded surfaces of the two first threaded knobs are threadedly connected to the connecting block.

[0007] Preferably, a first locking block is fixedly connected to one side of the fixing plate, a threaded hole is opened on the surface of the fixing plate, and two limiting blocks are fixedly connected to one side of the fixing plate.

[0008] Preferably, a first sliding column is slidably connected to the inner surface of the first sliding groove, a connecting plate is fixedly connected to one side of the first sliding column, two limiting brackets are fixedly connected to one side of the connecting plate, a slot is formed on the surface of the connecting plate, the inner surface of the slot is slidably connected to the locking block, and a second threaded knob is inserted and connected to the surface of the connecting plate, the threaded surface of the second threaded knob is threadedly connected to the threaded hole.

[0009] Preferably, a top plate is fixedly connected to one side of the connecting plate, a first mold base is slidably connected to the inner surface of the top plate, a plurality of second sliding pillars are fixedly connected to one side of the first mold base, the surfaces of the second sliding pillars are slidably connected to the first sliding groove, and a first mold core is fixedly connected to one side of the first mold base.

[0010] Preferably, the second mold assembly includes four hydraulic rods, one end of which is fixedly connected to the base plate, and the end of which is away from the base plate is fixedly connected to a carrier plate. The surface of the carrier plate has a main feeding hole and four auxiliary feeding holes.

[0011] Preferably, four guide rods are interspersed on the surface of the carrier plate, and a second locking block is fixedly connected to one end of two of the guide rods. A spring is fixedly connected to the arc surface of the guide rod, and a second mold seat is slidably connected to the surface of the second locking block. A second mold core is fixedly connected to one side of the second mold seat.

[0012] The technical effects and advantages of this utility model are as follows:

[0013] This invention utilizes a sliding groove and locking block structure to achieve rapid mold changing, a hydraulic rod to assist mold closing, and springs to enhance stability. It allows for efficient replacement of mold bases and cores, improving production flexibility, reducing operational difficulty, and ensuring injection molding accuracy and efficiency. Attached Figure Description

[0014] The disclosure of this utility model is illustrated with reference to the accompanying drawings. It should be understood that the drawings are for illustrative purposes only and are not intended to limit the scope of protection of this utility model. In the drawings, the same reference numerals are used to refer to the same parts:

[0015] Figure 1 This is a three-dimensional structural diagram of the present invention;

[0016] Figure 2 This is a schematic diagram of the connecting seat in this utility model;

[0017] Figure 3 This is a schematic diagram of the structure of the fixing plate in this utility model;

[0018] Figure 4 This is a schematic diagram of the structure of the first mold core in this utility model;

[0019] Figure 5 This is a structural schematic diagram of the cross-section of the second mold assembly in this utility model.

[0020] Legend: 1. Base plate; 2. First mold assembly; 3. Second mold assembly; 4. Connecting block; 5. First slide groove; 6. Fixing groove; 7. First baffle; 8. Screw; 9. Fixing plate; 10. Second baffle; 11. First threaded knob; 12. First locking block; 13. Threaded hole; 14. Limiting block; 15. Limiting frame; 16. Connecting plate; 17. First sliding column; 18. Locking groove; 19. Second threaded knob; 20. Top plate; 21. First mold base; 22. Second sliding column; 23. First mold core; 24. Hydraulic rod; 25. Carrier plate; 26. Main feeding hole; 27. Secondary feeding hole; 28. Guide rod; 29. ​​Second locking block; 30. Spring; 31. Second mold base; 32. Second mold core. Detailed Implementation

[0021] It is readily understood that, based on the technical solution of this utility model, those skilled in the art can propose various interchangeable structural methods and implementations without altering the essential spirit of this utility model. Therefore, the following detailed embodiments and accompanying drawings are merely illustrative descriptions of the technical solution of this utility model and should not be considered as the entirety of this utility model or as limitations or restrictions on the technical solution of this utility model.

[0022] Reference Figures 1-5 As shown, this utility model provides a technical solution: it includes a base plate 1, a first mold assembly 2 fixedly connected to one side of the base plate 1, a second mold assembly 3 fixedly connected to one side of the base plate 1, the second mold assembly 3 being located above the first mold assembly 2, the first mold assembly 2 including a connecting block 4, the surface of the connecting block 4 having multiple first sliding grooves 5, the surface of the connecting block 4 having two fixing grooves 6, a first baffle 7 slidably connected to one side of the connecting block 4, the first baffle 7 being threadedly connected to the connecting block 4 by two screws 8, by setting the first mold assembly 2, the second mold assembly 3 and the first sliding grooves 5, fixing grooves 6 and the first baffle 7 on the connecting block 4, the sliding grooves provide a path for the components to slide, the fixing grooves 6 facilitate the installation of the fixing plate 9, and the first baffle 7 is quickly fixed with the screws 8, realizing the initial rapid assembly and positioning of the mold assembly.

[0023] Reference Figure 2 As shown in this embodiment: the inner surfaces of the two fixing slots 6 are slidably connected to fixing plates 9, and a second baffle 10 is fixedly connected to one side of the fixing plate 9. Two first threaded knobs 11 are inserted through the surface of the second baffle 10. The threaded surfaces of the two first threaded knobs 11 are threadedly connected to the connecting block 4. The fixing slots 6 and the fixing plates 9 are slidably engaged. The second baffle 10 and the first threaded knobs 11 can quickly lock the fixing plate 9 to prevent it from loosening.

[0024] Reference Figure 3 As shown in this embodiment: a first locking block 12 is fixedly connected to one side of the fixing plate 9, a threaded hole 13 is opened on the surface of the fixing plate 9, and two limiting blocks 14 are fixedly connected to one side of the fixing plate 9. The first locking block 12 can cooperate with the slot 18 of the connecting plate 16 to achieve quick positioning. The threaded hole 13 facilitates connection and fixation with the second threaded knob 19. The limiting block 14 can limit the position of the connecting plate 16.

[0025] Reference Figure 2 As shown in this embodiment: a first sliding column 17 is slidably connected to the inner surface of the first sliding groove 5; a connecting plate 16 is fixedly connected to one side of the first sliding column 17; two limiting brackets 15 are fixedly connected to one side of the connecting plate 16; a slot 18 is opened on the surface of the connecting plate 16; the inner surface of the slot 18 is slidably connected to the locking block; a second threaded knob 19 is inserted and connected to the surface of the connecting plate 16; the threaded surface of the second threaded knob 19 is threadedly connected to the threaded hole 13; the first sliding column 17 slides in the first sliding groove 5 to facilitate the movement of the connecting plate 16; the limiting brackets 15 restrict the position; the slot 18 and the locking block, and the second threaded knob 19 and the threaded hole 13 cooperate to achieve quick loading, unloading and fixing.

[0026] Reference Figure 4 As shown in this embodiment: a top plate 20 is fixedly connected to one side of the connecting plate 16, a first mold base 21 is slidably connected to the inner surface of the top plate 20, a plurality of second sliding pillars 22 are fixedly connected to one side of the first mold base 21, the surface of the second sliding pillars 22 is slidably connected to the first sliding groove 5, a first mold core 23 is fixedly connected to one side of the first mold base 21, the top plate 20 supports the first mold base 21, and the second sliding pillars 22 cooperate with the first sliding groove 5 to assist its movement, so as to facilitate the quick alignment and replacement of the first mold core 23.

[0027] Reference Figure 5 As shown in this embodiment: the second mold assembly 3 includes four hydraulic rods 24. One end of each hydraulic rod 24 is fixedly connected to the base plate 1, and the end of each hydraulic rod 24 away from the base plate 1 is fixedly connected to a carrier plate 25. The surface of the carrier plate 25 has a main feeding hole 26 and four auxiliary feeding holes 27. The hydraulic rods 24 drive the carrier plate 25 to precisely control the mold closing. The main and auxiliary feeding holes 27 meet different injection molding requirements. The hydraulic drive improves the mold closing accuracy and efficiency, and the multiple feeding holes enhance the mold's applicability, enabling quick switching to produce different products and improving production flexibility and efficiency.

[0028] Reference Figure 5As shown in this embodiment: four guide rods 28 are interlaced on the surface of the carrier plate 25. Two guide rods 28 are fixedly connected to one end of a second locking block 29. A spring 30 is fixedly connected to the arc surface of the guide rod 28. A second mold base 31 is slidably connected to the surface of the second locking block 29. A second mold core 32 is fixedly connected to one side of the second mold base 31. The guide rods 28 assist in positioning the second mold base 31. The spring 30 buffers and enhances the fit. The second locking block 29 cooperates to fix the mold core 32, which facilitates quick replacement and stable operation.

[0029] Working principle: In the first mold assembly 2, the connecting block 4 is fixed to the basic structure by the first baffle 7 and screws 8. The fixing plate 9 is locked in the fixing groove 6 by the second baffle 10 and the first threaded knob 11, providing stable support for subsequent component assembly. The connecting plate 16 slides in the first sliding groove 5 by the first sliding column 17. Its slot 18 cooperates with the first locking block 12 of the fixing plate 9 for positioning. Then, it is connected and fixed by the second threaded knob 19 and the threaded hole 13, so that the top plate 20 and the first mold base 21 are stably installed. The first mold core 23 is in the position to be closed along with the first mold base 21. In the second mold assembly 3, the hydraulic rod 24 drives the carrier plate 25 to move up and down. The guide rod 28 assists in the positioning of the second mold base 31. The spring 30 enhances its fit with the carrier plate 25. The second locking block 29 fixes the second mold base 31, so that the second mold core 32 is precisely aligned with the first mold core 23. During injection molding, the hydraulic rod 24 retracts and drives the carrier plate 25 to descend. The second mold core 32 and the first mold core 23 close to form a cavity. The raw material is injected through the main feeding hole 26 or the auxiliary feeding hole 27. After injection molding is completed, the hydraulic rod 24 extends and drives the carrier plate 25 to rise and open the mold. The product can then be removed. When changing the mold, the first and second threaded knobs 19 are loosened to release the locking of the fixing plate 9 and the connecting plate 16. The connecting plate 16 and the connected first mold base 21 and first mold core 23 are slid out. After replacement, the operation is reversed to reset. The same applies to the second mold base 31. After loosening the relevant fixings, the second mold core 32 is replaced, realizing quick mold changing and adapting to the production needs of different products.

[0030] The technical scope of this utility model is not limited to the content described above. Those skilled in the art can make various modifications and variations to the above embodiments without departing from the technical concept of this utility model, and all such modifications and variations should fall within the protection scope of this utility model.

Claims

1. An injection mold with a quick mold change structure, characterized in that, The system includes a base plate (1), a first mold assembly (2) is fixedly connected to one side of the base plate (1), a second mold assembly (3) is fixedly connected to one side of the base plate (1), the second mold assembly (3) is located above the first mold assembly (2), the first mold assembly (2) includes a connecting block (4), the surface of the connecting block (4) is provided with a plurality of first sliding grooves (5), the surface of the connecting block (4) is provided with two fixing grooves (6), a first baffle (7) is slidably connected to one side of the connecting block (4), and the first baffle (7) is threadedly connected to the connecting block (4) by two screws (8).

2. The injection mold with a quick mold change structure according to claim 1, characterized in that: The inner surfaces of the two fixed grooves (6) are slidably connected with fixed plates (9), and a second baffle (10) is fixedly connected to one side of the fixed plate (9). Two first threaded knobs (11) are interlaced on the surface of the second baffle (10), and the threaded surfaces of the two first threaded knobs (11) are threadedly connected to the connecting block (4).

3. The injection mold with a quick mold change structure according to claim 2, characterized in that: A first locking block (12) is fixedly connected to one side of the fixing plate (9), and a threaded hole (13) is opened on the surface of the fixing plate (9). Two limiting blocks (14) are fixedly connected to one side of the fixing plate (9).

4. An injection mold with a quick mold change structure according to claim 1, characterized in that: The inner surface of the first slide groove (5) is slidably connected to a first slide column (17). A connecting plate (16) is fixedly connected to one side of the first slide column (17). Two limit brackets (15) are fixedly connected to one side of the connecting plate (16). A slot (18) is opened on the surface of the connecting plate (16). The inner surface of the slot (18) is slidably connected to the block. A second threaded knob (19) is inserted into the surface of the connecting plate (16). The threaded surface of the second threaded knob (19) is threadedly connected to the threaded hole (13).

5. An injection mold with a quick mold change structure according to claim 4, characterized in that: A top plate (20) is fixedly connected to one side of the connecting plate (16), and a first mold base (21) is slidably connected to the inner surface of the top plate (20). A plurality of second sliding pillars (22) are fixedly connected to one side of the first mold base (21), and the surface of the second sliding pillars (22) is slidably connected to the first sliding groove (5). A first mold core (23) is fixedly connected to one side of the first mold base (21).

6. An injection mold with a quick mold change structure according to claim 1, characterized in that: The second mold assembly (3) includes four hydraulic rods (24). One end of the four hydraulic rods (24) is fixedly connected to the base plate (1). The end of the four hydraulic rods (24) away from the base plate (1) is fixedly connected to a carrier plate (25). The surface of the carrier plate (25) is provided with a main feeding hole (26) and four auxiliary feeding holes (27).

7. An injection mold with a quick mold change structure according to claim 6, characterized in that: Four guide rods (28) are interspersed on the surface of the carrier plate (25). Two guide rods (28) are fixedly connected to one end of a second locking block (29). A spring (30) is fixedly connected to the arc surface of the guide rod (28). A second mold base (31) is slidably connected to the surface of the second locking block (29). A second mold core (32) is fixedly connected to one side of the second mold base (31).

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