Injection molding machine with replaceable nozzle

Abstract

The utility model relates to the technical field of injection molding machine nozzle convenient to replace, concretely is an injection molding machine convenient to replace injection molding machine nozzle, including injection molding subassembly, install injection molding machine mounting panel piece on injection molding subassembly, be equipped with injection molding pipe subassembly in the injection molding machine mounting panel piece, open annular gap in the injection molding pipe subassembly, be equipped with screw rod control mechanism in the annular gap, be equipped with two annular rings on the screw rod control mechanism, the one side of annular ring is provided with linkage mechanism, be equipped with a plurality of plugboard on the linkage mechanism. The utility model is convenient for staff to adjust, can quickly complete injection molding machine mounting panel piece and injection molding head nozzle subassembly, injection molding pipe subassembly's connection fixed, and guarantee the firmness of connection, so as to effectively make injection molding solution flow, can be convenient for overhaul dismounting simultaneously, reduce the difficulty of subsequent maintenance, improve the convenience of use.

Description

Technical Field

[0001] This utility model relates to the field of easy-to-replace injection molding machine nozzles, and in particular to an injection molding machine that facilitates easy-to-replace injection molding machine nozzles. Background Technology

[0002] An injection molding machine is a piece of equipment used for processing plastic products. It injects molten plastic into a mold, and through a cooling and solidification process, manufactures various plastic products, such as plastic parts, containers, and packaging. Because it can efficiently produce large quantities of plastic products, it is widely used in the manufacturing industry and can adapt to various complex shapes and sizes.

[0003] During production, plastic material can remain in the printhead, causing blockages or affecting production quality. Even after cleaning, it is difficult to completely remove the residue, so replacing the printhead ensures production continuity and quality stability.

[0004] An injection molding machine with publication number CN222360521U discloses an injection molding machine for easy nozzle replacement. The machine includes a main body comprising a guide rail, a screw extruder, a feed hopper, a guide rod, a fixed template, and a moving template. A connecting assembly, including a slot, is located at the end of the screw extruder. A nozzle is inserted into the slot. Positioning holes are formed on both the inner wall of the slot and the outer wall of the nozzle. A U-shaped rod is inserted into the positioning hole, and a groove is formed on the outer wall of the U-shaped rod. An ejector assembly is provided on the inner wall of the slot. In this invention, by moving the widening plate, the return spring is compressed, the insert plate separates from the groove, releasing the U-shaped rod from its position and allowing it to be pulled out of the positioning hole, thus releasing the nozzle's fixation and reducing the complexity of the replacement process.

[0005] The above technical solution cannot quickly complete the installation and fixation of the injection head, injection liquid pipe assembly and injection molding machine, and it is inconvenient to quickly complete the disassembly, resulting in high maintenance costs in the later stage. Therefore, it needs to be improved. Utility Model Content

[0006] The purpose of this invention is to address the shortcomings of existing technologies by proposing an injection molding machine that facilitates the replacement of injection molding machine nozzles.

[0007] To achieve the above objectives, the present invention adopts the following technical solution: An injection molding machine for easy replacement of injection molding machine nozzles includes an injection molding assembly. An injection molding machine mounting plate is mounted on the injection molding assembly. An injection molding tube assembly is disposed through the injection molding machine mounting plate. An annular notch is formed within the injection molding tube assembly. A screw adjustment mechanism is disposed within the annular notch. The screw adjustment mechanism has two rings. A linkage mechanism is disposed on one side of each ring. The linkage mechanism has multiple insert plates. Multiple openings are evenly spaced on the circumferential sidewall of the annular notch. The multiple insert plates are slidably installed within the multiple openings. The injection molding machine mounting plate and the injection molding head nozzle assembly are respectively fitted onto both ends of the injection molding tube assembly. Multiple slots are shared on the axial sidewall of both the injection molding machine mounting plate and the injection molding head nozzle assembly. The multiple insert plates correspond to the multiple slots.

[0008] Preferably, in order to facilitate the control of the position of the insert plate and the insertion, the screw adjustment mechanism includes a screw rotatably connected to one side wall inside the annular notch. One end of the screw is rotatably sleeved on the injection molding tube assembly. Two rings are screwed onto the screw, and a first slide rod is slidably installed on both rings. The two ends of the first slide rod are respectively fixed to the opposite side walls inside the annular notch.

[0009] Preferably, in order to drive the insertion plates to rise and fall, the linkage mechanism includes a slanted rod rotatably connected to one side of the ring, a push plate rotatably connected to the upper end of the slanted rod, and three insertion plates fixed at equal intervals at the upper end of the push plate.

[0010] Preferably, in order to ensure the stability of the push plate lifting and lowering, a bushing is fixed on one side of the push plate, and a second slide rod is slidably installed inside the bushing. The second slide rod is fixed on one end side wall inside the annular notch.

[0011] Preferably, in order to ensure the firmness of the connection, multiple springs are fixed together on the sidewalls of one of the rings and the annular notch.

[0012] Compared with the prior art, the beneficial effects of this utility model are: 1. The position of the ring can be adjusted by the action of the screw, which facilitates the adjustment of the position of the push plate, makes it easy to control the positional relationship between the insert plate and the slot, and facilitates the disassembly and assembly of the injection molding machine mounting plate, injection head nozzle assembly, and injection tube assembly; 2. The spring facilitates the reset of one of the rings, controls the position of the screw, and makes it easy to control the position of the two rings, thereby ensuring the firmness of the connection and improving the safety of use. In summary, this utility model facilitates adjustment by operators, enabling quick connection and fixation of the injection molding machine mounting plate with the injection head nozzle assembly and injection tube assembly, ensuring a firm connection for effective flow of the injection solution. It also facilitates inspection and disassembly, reducing subsequent maintenance difficulty and improving ease of use. Attached Figure Description

[0013] Figure 1 This is a structural diagram of the present invention; Figure 2 This is a structural diagram of the injection head nozzle assembly, injection tube assembly, and injection molding machine mounting plate in this utility model; Figure 3 Appendix to this utility model Figure 2 Enlarged view of point A; Figure 4 Appendix to this utility model Figure 2 Enlarged view of point B; In the diagram: 1. Injection molding machine mounting plate, 2. Injection head nozzle assembly, 3. Injection tube assembly, 4. First slide bar, 5. Annular notch, 6. Screw, 7. Slot, 8. Insert plate, 9. Second slide bar, 10. Bushing, 11. Push plate, 12. Diagonal bar, 13. Spring, 14. Ring, 15. Opening, 16. Injection assembly. Detailed Implementation

[0014] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.

[0015] Reference Figure 1-4 An injection molding machine with an easy-to-change injection molding nozzle includes an injection molding assembly 16, which is a horizontal injection molding machine assembly capable of melting materials into an injection molding solution and directing its movement. It can also correspond to the mold inside the injection molding machine to form a corresponding product. Its operating principle is existing technology and does not need to be disclosed again. An injection molding machine mounting plate 1 is installed on the injection molding assembly 16. An injection molding tube assembly 3 is installed through the injection molding machine mounting plate 1. One end of the injection molding tube assembly 3 is used to connect to the injection head nozzle assembly 2 and can also connect to the injection molding machine mounting plate 1. The rear end is sealed to the injection solution tube inside the injection molding machine, ensuring a firm connection. This allows the injection solution to flow fully into the injection molding tube assembly 3 and out through the injection head nozzle assembly 2 for injection molding operations.

[0016] Reference Figure 2-4 An annular notch 5 is provided inside the injection tube assembly 3. A screw adjustment mechanism is provided inside the annular notch 5. Two rings 14 are provided on the screw adjustment mechanism. The position of the rings 14 can be controlled by the screw adjustment mechanism. A linkage mechanism is provided on one side of the rings 14. Multiple insert plates 8 are provided on the linkage mechanism. The position of the insert plates 8 can be controlled by the linkage mechanism.

[0017] Reference Figure 2-4The screw control mechanism includes a screw 6 rotatably connected to one side wall inside the annular notch 5. One end of the screw 6 is rotatably sleeved on the injection molding tube assembly 3. Two rings 14 are screwed onto the screw 6. A first slide rod 4 is slidably installed on both rings 14. The two ends of the first slide rod 4 are respectively fixed on opposite side walls inside the annular notch 5. By rotating the screw 6, the operator can make the rings 14 move smoothly under the action of the first slide rod 4.

[0018] Reference Figure 2-4 The linkage mechanism includes a diagonal rod 12 rotatably connected to one side of the ring 14. A push plate 11 is rotatably connected to the upper end of the diagonal rod 12. Three insert plates 8 are fixed at equal intervals on the upper end of the push plate 11. The movement of the ring 14 can drive the insert plates 8 to operate through the push plate 11.

[0019] Reference Figure 1-3 A bushing 10 is fixed on one side of the push plate 11. A second slide rod 9 is slidably installed inside the bushing 10. The second slide rod 9 is fixed on one end side wall inside the annular notch 5, which can ensure the stability of the push plate 11 in raising and lowering and facilitate the raising and lowering of the insert plate 8.

[0020] Reference Figure 1-4 Multiple openings 15 are evenly spaced on the circumferential sidewall of the annular notch 5. Multiple insert plates 8 are slidably installed in the multiple openings 15. Injection molding machine mounting plate 1 and injection head nozzle assembly 2 are respectively fitted onto both ends of the injection molding tube assembly 3. Multiple slots 7 are provided on the axial sidewall of the injection molding machine mounting plate 1 and injection head nozzle assembly 2. Multiple insert plates 8 correspond to multiple slots 7. By rotating the screw 6, the operator can make the insert plates 8 flush with the outer side of the injection molding tube assembly 3, which facilitates the insertion of the injection molding tube assembly 3. The injection molding machine mounting plate 1 and the injection head nozzle assembly 2 are installed onto the injection tube assembly 3 to facilitate the alignment of the slot 7 and the opening 15. At this time, the ring 14 can be reset by rotating the screw 6, and the spring 13 returns to its original state, which can push the inclined rod 12 to raise the push plate 11. Under the action of the bushing 10 and the second slide rod 9, the stability of the push plate 11 in raising and lowering is ensured, which facilitates the insertion of the insert plate 8 into the slot 7 and ensures the firmness of the connection between the injection molding machine mounting plate 1, the injection head nozzle assembly 2, and the injection tube assembly 3.

[0021] Reference Figure 2-4 To ensure the secure connection, multiple springs 13 are fixed to the side wall of one of the rings 14 and the annular notch 5, which can ensure the stability of the position of the ring 14 and prevent loosening.

[0022] In this invention, during use, the operator inserts the injection tube assembly 3 through the injection molding machine mounting plate 1, and places the injection head nozzle assembly 2 onto one extended end of the injection tube assembly 3. The other end of the injection tube assembly 3 is flush with the injection molding machine mounting plate 1, facilitating a sealed connection with the injection solution delivery pipe inside the injection assembly 16, allowing the injection solution to flow into the injection head nozzle assembly 2. By rotating the screw 6, the operator can align the insert plate 8 with the outer side of the injection tube assembly 3, facilitating the insertion of the injection head nozzle assembly 2. The injection molding machine mounting plate 1 and the injection head nozzle assembly 2 are installed onto the injection tube assembly 3 to facilitate the alignment of the slot 7 and the opening 15. At this time, the ring 14 can be reset by rotating the screw 6, and the spring 13 returns to its original state, which can push the inclined rod 12 to raise the push plate 11. Under the action of the bushing 10 and the second slide rod 9, the stability of the push plate 11 in raising and lowering is ensured, which facilitates the insertion of the insert plate 8 into the slot 7 and ensures the firmness of the connection between the injection molding machine mounting plate 1, the injection head nozzle assembly 2, and the injection tube assembly 3.

[0023] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and the inventive concept of the present utility model, should be included within the protection scope of the present utility model.

Claims

1. An injection molding machine with an easy-to-change injection molding nozzle, comprising an injection molding assembly (16), characterized in that: The injection molding assembly (16) is equipped with an injection molding machine mounting plate (1). An injection molding tube assembly (3) is provided through the injection molding machine mounting plate (1). An annular notch (5) is provided in the injection molding tube assembly (3). A screw adjustment mechanism is provided in the annular notch (5). Two rings (14) are provided on the screw adjustment mechanism. A linkage mechanism is provided on one side of the rings (14). Multiple insert plates (8) are provided on the linkage mechanism. Multiple openings (15) are provided at equal intervals on the side wall of the annular notch (5). Multiple insert plates (8) are slidably installed in the multiple openings (15). The injection molding tube assembly (3) is fitted with an injection molding machine mounting plate (1) and an injection head nozzle assembly (2) at both ends. Multiple slots (7) are provided on the side wall of the injection molding machine mounting plate (1) and the injection head nozzle assembly (2). Multiple insert plates (8) correspond to multiple slots (7) respectively.

2. The injection molding machine for easy replacement of injection molding machine nozzles according to claim 1, characterized in that: The screw control mechanism includes a screw (6) rotatably connected to one side wall of the annular notch (5). One end of the screw (6) is rotatably sleeved on the injection molding tube assembly (3). Two rings (14) are screwed onto the screw (6). A first slide rod (4) is slidably installed on both rings (14). The two ends of the first slide rod (4) are respectively fixed on the opposite side walls of the annular notch (5).

3. The injection molding machine for easy replacement of injection molding machine nozzles according to claim 1, characterized in that: The linkage mechanism includes a diagonal rod (12) rotatably connected to one side of the ring (14), and a push plate (11) is rotatably connected to the upper end of the diagonal rod (12). Three insert plates (8) are fixed at equal intervals on the upper end of the push plate (11).

4. An injection molding machine for easy replacement of injection molding machine nozzles according to claim 3, characterized in that: A bushing (10) is fixed on one side of the push plate (11), and a second slide rod (9) is slidably installed inside the bushing (10). The second slide rod (9) is fixed on one end side wall inside the annular notch (5).

5. An injection molding machine for easy replacement of injection molding machine nozzles according to claim 1, characterized in that: Multiple springs (13) are fixed together on the sidewalls of one of the rings (14) and the annular notch (5).

Images