Anti-blocking nozzle for building block injection molding

Abstract

The utility model relates to the technical field of injection molding nozzle structures, in particular to an anti-blocking nozzle for building block injection molding, which comprises an injection molding head, a protective seat is arranged at one end of the injection molding head, a mounting seat is arranged at one end of the protective seat, and an injection molding pipeline is arranged at one end of the mounting seat. Mounting grooves are formed in the injection molding pipeline, the injection molding head and the protective seat, inner injection molding devices are movably mounted in the mounting grooves, each inner injection molding device comprises a fixing seat, an injection molding pipe and an injection molding nozzle which are sequentially arranged, and the injection molding nozzles communicate with the injection molding head. By rotating the inner injection molding device, the inner injection molding device is detached from the injection molding head and taken out for replacement, nozzle blockage caused by residual injection molding liquid in the injection molding head is effectively prevented, the influence on the use efficiency of the building block injection molding nozzle is avoided, and the production efficiency of building block injection molding is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of injection nozzle structures, in particular to an anti-clogging nozzle for building block injection molding. Background Art

[0002] Building blocks are typically cubic, solid plastic toys, often decorated with letters or pictures on each surface. They can be arranged in various ways or used for building activities. They come in a variety of styles and can help develop children's intelligence. The production of building blocks requires the use of injection molds, which inject molds through nozzles.

[0003] After searching, the authorization announcement number CN217454703U discloses an anti-clogging injection molding machine nozzle, including an extrusion barrel, a nozzle, a connecting assembly, and an anti-clogging assembly. The nozzle and the extrusion barrel are connected through the connecting assembly, and the nozzle and the extrusion barrel are detachable. The extrusion barrel is fixed with a connecting plate near the nozzle end. The connecting plate is annular and has an arc groove on the connecting plate. The arc groove is symmetrically arranged about the axis of the extrusion barrel. The anti-clogging assembly is rotatably connected to the inside of the nozzle, and the pressure generated by extrusion inside the extrusion barrel drives the anti-clogging assembly to rotate; the nozzle can be easily disassembled and installed at the front end of the extrusion barrel, which is convenient for cleaning and replacement. At the same time, the rotation of the spiral plate is driven by the internal pressure of the extrusion barrel. During the material extrusion process, spiral derivation can be performed, which effectively prevents material clogging and effectively releases the internal pressure of the extrusion barrel.

[0004] However, after the injection molding is completed, residues will remain inside the existing building block injection molding nozzle, causing the building block injection molding nozzle to be easily blocked, thereby affecting the use efficiency of the building block injection molding nozzle. Therefore, the market is in urgent need of an anti-clogging nozzle for building block injection molding to solve these problems. Utility Model Content

[0005] The purpose of the present utility model is to provide an anti-clogging nozzle for building block injection molding, so as to solve the problem in the above-mentioned background technology that after the injection molding of the existing building block injection molding nozzle is completed, residues will remain inside the building block injection molding nozzle, causing the building block injection molding nozzle to be easily clogged, thereby affecting the use efficiency of the building block injection molding nozzle.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an anti-clogging nozzle for building block injection molding, comprising an injection molding head, a protective seat is provided at one end of the injection molding head, a mounting seat is provided at one end of the protective seat, an injection molding pipe is provided at one end of the mounting seat, the injection molding pipe, the injection molding head and the protective seat are all provided with mounting grooves inside, an internal injection molding device is movably installed in the mounting groove, the internal injection molding device includes a fixing seat, an injection molding tube and an injection molding nozzle which are arranged in sequence, and the injection molding nozzle is connected to the injection molding head.

[0007] Preferably, the injection molding head and the protective seat are an integrated structure, the protective seat and the mounting seat are an integrated structure, and the mounting seat and the injection molding pipe are an integrated structure.

[0008] Preferably, connecting threads are provided around the outer wall of the mounting seat.

[0009] Preferably, the fixing seat and the injection molding tube are an integral structure, and the injection molding tube and the injection molding nozzle are an integral structure.

[0010] Preferably, a mounting end is provided at one end of the mounting groove, a fixed end is provided at one end of the fixing seat, fixing threads are provided around the outer wall of the fixing end, mounting threads matching the fixing threads are provided around the inner wall of the mounting end, the fixed end is located inside the mounting groove, the mounting end is threadedly connected to the fixed end, and friction stripes are provided at one end of the outer wall of the inner injection molding device.

[0011] Preferably, the injection tube and the fixing seat are both provided with injection channels, one end of the injection nozzle is provided with a second injection port communicating with the injection channel, and the second injection port and the injection nozzle are an integrated structure.

[0012] Preferably, an injection port 1 is provided on the top of the injection head, a limiting groove is provided on the inner side of the injection port 1, a limiting seat is provided at the position where the injection nozzle contacts the injection head, and the limiting seat is located inside the limiting groove and communicates with the injection port 1.

[0013] Compared with the prior art, the beneficial effects of the present invention are:

[0014] 1. When the building block injection molding anti-clogging nozzle is being injected, it can be removed from the injection head and replaced by rotating the inner injection device, which effectively prevents the nozzle from being blocked due to residual injection liquid inside the injection head, avoids affecting the use efficiency of the building block injection molding nozzle, and improves the production efficiency of building block injection molding.

[0015] 2. When the anti-clogging nozzle for building block injection molding is used for injection molding, the injection nozzle of the inner injection molding device is installed into the interior of the injection head by rotating, and after being limited and fixed by the limit groove provided in the injection head and the limit seat provided on the injection molding nozzle, the fixing thread provided at the fixed end and the mounting thread provided at the mounting end are threadedly connected to realize the fixed installation of the inner injection molding device and the injection molding pipe, which is convenient and quick. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is an overall three-dimensional diagram of the utility model;

[0017] Figure 2 It is an overall cross-sectional view of the utility model;

[0018] Figure 3 For the utility model Figure 2 A partial enlarged view of area A;

[0019] Figure 4 For the utility model Figure 2 A partial enlarged view of area B.

[0020] In the figure: 1. Injection molding head; 101. Injection molding port 1; 102. Limiting groove; 2. Protective seat; 3. Mounting seat; 301. Connecting thread; 4. Injection molding pipe; 401. Mounting groove; 402. Mounting end; 403. Mounting thread; 5. Inner injection molding device; 501. Friction stripes; 6. Fixing seat; 601. Fixing end; 602. Fixing thread; 7. Injection molding pipe; 701. Injection molding channel; 8. Injection molding nozzle; 801. Limiting seat; 802. Injection molding port 2. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0022] See also Figure 1-4 , the utility model provides an embodiment: an anti-clogging nozzle for injection molding of building blocks, comprising an injection head 1, a protective seat 2 is provided at one end of the injection head 1, a mounting seat 3 is provided at one end of the protective seat 2, an injection pipe 4 is provided at one end of the mounting seat 3, the injection pipe 4, the injection head 1 and the protective seat 2 are all provided with mounting grooves 401, an internal injection molding device 5 is movably installed in the mounting groove 401, the internal injection molding device 5 includes a fixed seat 6, an injection molding tube 7 and an injection molding nozzle 8 which are arranged in sequence, and the injection molding nozzle 8 is connected to the injection head 1. It should be noted that in order to save space and highlight the innovative elements of this patent, such as the working principle and working process of how to inject building blocks, will not be described in detail in this patent.

[0023] When the existing injection molding nozzle is performing injection molding, residual injection molding liquid will remain inside the injection molding head 1, which will affect the use effect of the injection molding head 1. However, when the injection molding nozzle in the present application is performing injection molding, the injection molding head 1 is disassembled, and then the internal injection molding device 5 is rotated and the internal injection molding device 5 is replaced to avoid affecting the use effect of the injection molding nozzle, and finally the internal injection molding device 5 is cleaned.

[0024] See also Figure 1 and Figure 2 The injection head 1 and the protective seat 2 are an integrated structure, the protective seat 2 and the mounting seat 3 are an integrated structure, and the mounting seat 3 and the injection pipe 4 are an integrated structure. This structure makes the connection between the injection head 1 and the protective seat 2, the mounting seat 3, and the injection pipe 4 more secure, thus making the overall structure of the nozzle more secure.

[0025] See also Figure 1 The outer wall of the mounting seat 3 is provided with connecting threads 301 around it. The connecting threads 301 provided on the mounting seat 3 can facilitate the user to hold the connecting threads 301 with one hand and install and fix the inner injection molding device 5 and the injection molding pipe 4 with the other hand.

[0026] See also Figure 2 The fixing seat 6 and the injection molding tube 7 are an integrated structure, and the injection molding tube 7 and the injection molding nozzle 8 are an integrated structure, which can make the connection between the fixing seat 6 and the injection molding tube 7, and the injection molding tube 7 and the injection molding nozzle 8 more secure. Through this arrangement, the structure of the internal injection molding device 5 can be made more secure.

[0027] See also Figure 2 and Figure 4 One end of the mounting groove 401 is provided with a mounting end 402, one end of the fixing seat 6 is provided with a fixing end 601, and the outer wall of the fixing end 601 is provided with fixing threads 602, and the inner wall of the mounting end 402 is provided with mounting threads 403 that are compatible with the fixing threads 602. The fixing end 601 is located inside the mounting groove 401, and the mounting end 402 is threadedly connected to the fixed end 601. One end of the outer wall of the inner injection molding device 5 is provided with a friction stripe 501, so that the inner injection molding device 5 and the injection molding pipe 4 can be installed and fixed conveniently and quickly.

[0028] See also Figure 2 and Figure 3 The inside of the injection tube 7 and the fixing seat 6 are both provided with an injection channel 701, and one end of the injection nozzle 8 is provided with an injection port 2 802 communicated with the injection channel 701. The injection port 2 802 and the injection nozzle 8 are an integrated structure. The integrated structure makes the structure between the injection port 2 802 and the injection nozzle 8 more solid. At the same time, the provided injection channel 701 can facilitate the injection molding raw material to be squeezed out from the injection port 2 802 through the injection channel 701, so that the injection molding operation can be conveniently performed.

[0029] See also Figure 2 and Figure 3 An injection port 101 is provided on the top of the injection head 1, a limiting groove 102 is provided on the inner side of the injection port 101, and a limiting seat 801 is provided at the position where the injection nozzle 8 contacts the injection head 1. The limiting seat 801 is located inside the limiting groove 102 and communicates with the injection port 101. Through this arrangement, the internal injection molding device 5 can be conveniently limited and installed, and the injection molding material can be injected from the injection port 2 802 through the injection port 101.

[0030] Working principle: When this type of injection molding nozzle is performing injection molding, the injection head 1 is disassembled, and then the friction stripes 501 set at one end of the outer wall of the inner injection molding device 5 are rotated, so that the inner injection molding device 5 can be easily taken out, and then the inner injection molding device 5 is replaced, which can avoid affecting the use effect of this type of injection molding nozzle. At the same time, the inner injection molding device 5 can also be cleaned, so as to avoid the situation where the inner injection molding device 5 is easily blocked by residues after use. Then, the injection nozzle 8 set at one end of the inner injection molding device 5 is installed into the interior of the injection head 1, and the limiting seat 801 set at the injection nozzle 8 is limited and fixed by the limiting groove 102 set at the injection head 1. Finally, the fixing thread 602 set at the fixed end 601 is threadedly connected with the mounting thread 403 set at the mounting end 402, so that the inner injection molding device 5 can be quickly installed, which is simple and convenient.

[0031] It will be apparent to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above and that the present invention can be implemented in other specific forms without departing from the spirit or essential characteristics of the present invention. Therefore, the embodiments should be considered in all respects as illustrative and non-restrictive, and the scope of the present invention is defined by the appended claims, not the foregoing description, and all variations within the meaning and range of equivalents of the claims are intended to be encompassed within the present invention. Any reference sign in a claim should not be construed as limiting the claim to which it relates.

Claims

1. An anti-clogging nozzle for building block injection molding, comprising an injection head (1), characterized in that: A protective seat (2) is provided at one end of the injection head (1), a mounting seat (3) is provided at one end of the protective seat (2), an injection pipe (4) is provided at one end of the mounting seat (3), and a mounting groove (401) is provided inside the injection pipe (4), the injection head (1) and the protective seat (2), an internal injection device (5) is movably installed in the mounting groove (401), and the internal injection device (5) comprises a fixing seat (6), an injection pipe (7) and an injection nozzle (8) which are arranged in sequence, and the injection nozzle (8) is connected to the injection head (1).

2. The anti-clogging nozzle for building block injection molding according to claim 1, characterized in that: The injection molding head (1) and the protective seat (2) are an integrated structure, the protective seat (2) and the mounting seat (3) are an integrated structure, and the mounting seat (3) and the injection molding pipe (4) are an integrated structure.

3. The anti-clogging nozzle for building block injection molding according to claim 2, characterized in that: Connecting threads (301) are provided around the outer wall of the mounting seat (3).

4. The anti-clogging nozzle for building block injection molding according to claim 3, characterized in that: The fixing seat (6) and the injection molding tube (7) are an integrated structure, and the injection molding tube (7) and the injection molding nozzle (8) are an integrated structure.

5. The anti-clogging nozzle for building block injection molding according to claim 4, characterized in that: One end of the mounting groove (401) is provided with a mounting end (402), one end of the fixing seat (6) is provided with a fixing end (601), the outer wall of the fixing end (601) is provided with fixing threads (602) around, the inner wall of the mounting end (402) is provided with mounting threads (403) adapted to the fixing threads (602) around, the fixing end (601) is located inside the mounting groove (401), the mounting end (402) is threadedly connected to the fixing end (601), and one end of the outer wall of the inner injection molding device (5) is provided with friction stripes (501).

6. The anti-clogging nozzle for building block injection molding according to claim 5, characterized in that: The injection tube (7) and the fixing seat (6) are both provided with an injection channel (701), and one end of the injection nozzle (8) is provided with a second injection port (802) communicating with the injection channel (701), and the second injection port (802) and the injection nozzle (8) are an integrated structure.

7. The anti-clogging nozzle for building block injection molding according to claim 6, characterized in that: An injection port 1 (101) is provided on the top of the injection head (1), a limiting groove (102) is provided on the inner side of the injection port 1 (101), a limiting seat (801) is provided at the position where the injection nozzle (8) contacts the injection head (1), and the limiting seat (801) is located inside the limiting groove (102) and communicates with the injection port 1 (101).

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