Special injection molding screw assembly for color plate splines

Abstract

The utility model discloses a special injection molding screw assembly for a color plate spline. The special injection molding screw assembly comprises a stainless steel screw, the stainless steel screw rod comprises a stainless steel screw head and a stainless steel screw rod body, the stainless steel screw rod body is of a cylindrical structure, and spiral teeth are spirally arranged on the outer portion of the stainless steel screw rod body around the circumference of the stainless steel screw rod body. The stainless steel screw is characterized by further comprising a stainless steel screw tail arranged at the rear end of the stainless steel screw body and a connecting cylinder, the stainless steel screw tail comprises a threaded part with the diameter larger than that of the stainless steel screw body and a connecting part arranged at one end of the threaded part, the threaded part is provided with a threaded connection baffle in a threaded mode, and the connecting cylinder is installed at the rear end of the connecting part. The connecting machine barrel comprises a first matching connecting part and a second matching connecting part, a connecting section is arranged between the first matching connecting part and the second matching connecting part, and a connecting shaft is arranged at the rear end of the second matching connecting part.

Description

Technical Field

[0001] The utility model belongs to the field of injection molding screws, and in particular relates to an injection molding screw assembly special for color plate splines. Background Art

[0002] Color palettes are generally used for color standardization and color verification of finished products. For exterior parts, light guides, or spray-molded parts directly produced through injection molding, customers now have very high requirements for the color and color matching of raw materials, requiring them to be executed according to specified standard color palettes. For example, for high-end cars, front and rear fog lights, various switches and buttons on the dashboard, door panels, and high-end home appliances and electronic appliances, each user's requirements vary, with colors such as black, gray, and beige, and the tones can also vary.

[0003] The micro color plate spline injection molding machines currently on the market, such as the XPM-12X color plate injection molding machine, require the installation of a dedicated injection molding screw. However, the dedicated injection molding screw has a simple structure and is not convenient to assemble. In particular, the tail of the screw cannot be assembled and connected to the barrel according to the needs of the micro color plate spline injection molding machine, which is inconvenient to install and maintain and lacks flexibility. Utility Model Content

[0004] The purpose of the utility model is to provide a special injection molding screw assembly for color plate spline, so as to solve the problems raised in the above background technology.

[0005] The utility model provides the following technical solution: a special injection molding screw assembly for color plate splines, comprising a stainless steel screw, wherein the stainless steel screw comprises a stainless steel screw head and a stainless steel screw body, the stainless steel screw body being a cylindrical structure, with spiral teeth spiraling around its circumference on the outside of the stainless steel screw body; further comprising a stainless steel screw tail portion and a connecting barrel arranged at the rear end of the stainless steel screw body, wherein the stainless steel screw tail portion comprises a threaded portion having a diameter larger than that of the screw body and a connecting portion arranged at one end of the threaded portion, the threaded portion being threaded with a threaded baffle, the connecting barrel being arranged at the rear end of the connecting portion, the connecting barrel comprising a matching connecting portion 1 and a matching connecting portion 2, a connecting section being provided between the matching connecting portion 1 and the matching connecting portion 2, and a connecting shaft being provided at the rear end of the matching connecting portion 2.

[0006] Preferably, the threaded baffle includes an internally threaded tube and a retaining ring arranged on the outer periphery of the internally threaded tube.

[0007] Preferably, a stud is provided on the outer wall of the connection portion, and the matching connection portion is provided with an installation opening for threaded connection of the stud, and a fixing nut is installed on the stud.

[0008] Preferably, the installation port includes a bayonet and a through port communicating with the bayonet.

[0009] Preferably, the connecting shaft is provided with a groove.

[0010] The beneficial effects of the utility model are as follows: the application improves the color plate spline injection molding screw structure, which is suitable for a micro color plate spline injection molding machine. The special injection molding screw assembles the connecting barrel on the stainless steel screw, and forms an assembly by assembling the stud and the bayonet. It has a high-standard assembly structure, and the injection molding screw is assembled according to the use needs of different micro color plate spline injection molding machines, so that the low color difference effect is improved during use. The injection molding screw is convenient for disassembly and assembly as a whole, and is easy to install and maintain, thereby improving the efficiency of installing the color plate spline injection molding screw. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 This is a schematic diagram of the structure of the utility model;

[0012] Figure 2 Schematic diagram of the stainless steel screw structure;

[0013] Figure 3 It is a schematic diagram of the connecting barrel structure;

[0014] Figure 4 Schematic diagram of the baffle structure;

[0015] In the figure: stainless steel screw 1, stainless steel screw head 11, stainless steel screw body 12, spiral teeth 13, threaded portion 21, connecting portion 22, stud 23, fixing nut 24, screw baffle 3, internal threaded tube 31, retaining ring 32, connecting barrel 4, matching connecting portion 1 41, matching connecting portion 2 42, connecting section 43, channel 44, mounting port 5, bayonet 51, through port 52, connecting shaft 6, groove 61. DETAILED DESCRIPTION

[0016] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0017] See also Figure 1-4 The technical solution provided by the utility model is: a special injection molding screw for high-standard and low-color-difference color plate splines, including a stainless steel screw 1, wherein the stainless steel screw 1 includes a stainless steel screw head 11 and a stainless steel screw body 12, and the stainless steel screw body 12 is a cylindrical structure, and spiral teeth 13 are spirally arranged around the circumference of the screw body 12; it is an existing technology, and the screws on the market have this structure.

[0018] For micro-color plate spline injection molding machines currently on the market, such as the XPM-12X color plate injection molding machine, a machine deposit is required to install a dedicated injection molding screw. However, the dedicated injection molding screw has a simple structure and is inconvenient to assemble. In particular, the tail of the screw cannot be assembled and connected to the barrel according to the needs of the micro-color plate spline injection molding machine, which is inconvenient to install and maintain and lacks flexibility. The present application adopts an assembled injection molding screw structure for a micro-color plate spline injection molding machine, in which the connecting barrel is assembled as a component at the rear end of the dedicated injection molding screw, making it convenient to replace components according to the installation needs of the micro-color plate spline injection molding machine, and is easy to assemble, install, and maintain.

[0019] The innovation of this application is that it also includes a stainless steel screw tail and a connecting barrel 4 at the rear end of the stainless steel screw body.

[0020] The specific structure of the stainless steel screw tail is as follows:

[0021] The tail of the stainless steel screw comprises a threaded portion 21 with a larger diameter than the stainless steel screw body 12, and a connecting portion 22 disposed at one end of the threaded portion 21. The outer wall of the connecting portion 22 is provided with studs 23. In this embodiment, three studs are provided for illustrative purposes. In actual use, the number of studs can be increased depending on installation requirements. The threaded portion 21 is threadedly mounted with a screw-on baffle 3, which comprises an internally threaded tube 31 and a retaining ring 32 disposed around the outer periphery of the internally threaded tube 31. This provides a position-limiting installation feature.

[0022] The specific structure of the connecting barrel is as follows:

[0023] The connecting barrel 4 is installed at the rear end of the connecting part 22. The connecting barrel 4 includes a matching connecting part 1 41 and a matching connecting part 2 42. A connecting section 43 is provided between the matching connecting part 1 41 and the matching connecting part 2 42. Three mounting openings 5 corresponding to the stud 23 are also provided. The matching connecting part 1 41 is provided with a mounting opening 5 for screwing the stud 23. The mounting opening 5 includes a bayonet 51 and a through-port 52 connected to the bayonet 51. The stud 23 is inserted through the through-port 52 and is clamped on the bayonet 51. A fixing nut 24 is installed on the stud 23. The matching connecting part 2 42 is provided with a channel 44. A connecting shaft 6 is provided at the rear end of the matching connecting part 2 42. The connecting shaft 6 is provided with a groove 61. It is convenient for installation on a micro color plate spline injection molding machine.

[0024] The working principle of this application is that during use, a stainless steel screw tail is provided at the rear end of the stainless steel screw, a baffle is screwed on the threaded portion, and a stud is provided at the connecting portion, which is matched with the mounting port opened at the matching connecting portion in the connecting barrel and fixed by a fixing nut, so that the connecting barrel is connected and installed at the stainless steel screw tail, and is installed with the micro color plate spline injection molding machine by the connecting shaft provided at the rear end of the matching connecting portion.

[0025] The special injection molding screw for this application is designed because current customers have very high requirements for the color and color matching of raw materials, which need to be implemented according to the specified standard color palette (color palette splines are generally used for color product unification and color verification, and are valid for only half a year or a year). For example, the front and rear fog lights of high-end cars and various switch buttons on the dashboard, door guards, high-end home appliances, electronic appliances, etc., each user requires different colors and different tones. Therefore, the color of the appearance parts, light guide parts or spray-molded parts directly obtained by injection molding needs to comply with the standard first-level and second-level evaluation standard color palettes. However, there are often defects such as uneven color, cracks, burrs, wrinkles, bubbles or sand holes, and there are also difficulties such as color mixing when changing materials.

[0026] This application is for an easy-to-clean, high-standard color plate injection molding screw for plastic color plates. After researching and analyzing the process characteristics of color powder and masterbatch during the plasticization process, the existing problems were sorted out, analyzed, and summarized. At the same time, the weather resistance, chemical stability, and environmental protection of the added fillers or other additives were analyzed. The mixing modification, color mixing uniformity, and consistency of the injection molding machine screw were addressed through reasonable screw structure design, material selection, heat treatment, surface treatment, and other solutions. The corresponding implementation was carried out, and the solution was verified, sample trial production, and testing were carried out.

[0027] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A special injection molding screw assembly for color plate splines, comprising a stainless steel screw, the stainless steel screw comprising a stainless steel screw head and a stainless steel screw body, the stainless steel screw body being a cylindrical structure with helical teeth spiraling around the circumference of the stainless steel screw body; characterized in that: It also includes a stainless steel screw tail portion and a connecting barrel at the rear end of the stainless steel screw body. The stainless steel screw tail portion includes a threaded portion with a diameter larger than the stainless steel screw body and a connecting portion provided at one end of the threaded portion. The threaded portion is threaded with a threaded baffle. The connecting barrel is installed at the rear end of the connecting portion. The connecting barrel includes a matching connecting portion 1 and a matching connecting portion 2. A connecting section is provided between the matching connecting portion 1 and the matching connecting portion 2. A connecting shaft is provided at the rear end of the matching connecting portion 2.

2. The color plate spline special injection molding screw assembly according to claim 1, characterized in that: The threaded baffle includes an internal threaded tube and a baffle ring arranged on the outer periphery of the internal threaded tube.

3. The color plate spline special injection molding screw assembly according to claim 1, characterized in that: The outer wall of the connection part is provided with a stud, and the matching connection part is provided with an installation opening for screw connection of the stud, and a fixing nut is installed on the stud.

4. The color plate spline special injection molding screw assembly according to claim 3, characterized in that: The installation port includes a bayonet port and a through port communicating with the bayonet port.

5. The color plate spline special injection molding screw assembly according to claim 1, characterized in that: The second matching connection portion is provided with a channel.

6. The color plate spline special injection molding screw assembly according to claim 1, characterized in that: The connecting shaft is provided with a groove.

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