Thermosensitive plastic multicolor blending high-quality machine barrel screw assembly

Abstract

The invention discloses a heat-sensitive plastic multi-color blending high-quality machine barrel screw assembly which comprises a multi-color injection molding machine barrel, a multi-color injection molding machine screw and a screw head. According to the heat-sensitive plastic multi-color blending high-quality machine barrel screw assembly, a 160T26 long flying sub-machine barrel adopted by a Haitian injection molding machine double-color double-alloy second-generation machine and a screw arranged on the machine barrel are improved; the structure that the head and the tail end of the screw are screwed is adopted, the structure is reasonable, maintenance and replacement are convenient, the working efficiency is improved, the durability of the texture structure of the screw is improved, the service life of the screw is prolonged, the machine barrel structure is convenient to maintain, the injection molding machine is convenient to replace after being damaged during use, the installation and use efficiency is improved, and multi-color mixing is convenient. The machine barrel is reasonable in internal structure, safe, durable, long in service life and convenient to install.

Description

Technical Field

[0001] The invention relates to the technical field of barrel screws, and in particular to a high-quality barrel screw assembly for multi-color blending of thermosensitive plastics. Background Art

[0002] The current Shanghai Tian Injection Molding Machine's two-color two-alloy second-generation machine uses the 160T26 Zhafir barrel, which can also be used for multi-color blending. In actual use, since the barrel structure of this type of machine on the market is fixed and inconvenient to disassemble and maintain, it is not convenient to replace it with the screw, causing trouble in installation and use. In addition, the existing barrel is not suitable for multi-color blending and the internal structure needs to be improved.

[0003] The current Shanghai Tian Injection Molding Machine's two-color two-alloy second-generation machine uses a screw with a barrel of model 160T26 Zhafir. In actual use, since the screw structure of this type of screw on the market is fixed and inconvenient to maintain, the head and tail ends are particularly prone to damage and need to be replaced, causing trouble and the durability of the existing screw texture structure needs to be improved. Summary of the invention

[0004] The object of the present invention is to provide a high-quality barrel screw assembly for multi-color blending of heat-sensitive plastics to solve the problems raised in the above-mentioned background technology.

[0005] The present invention provides the following technical solution: a high-quality barrel screw assembly for multi-color blending of thermosensitive plastics, comprising a barrel of a multi-color injection molding machine, wherein the barrel of the multi-color injection molding machine is equipped with a barrel cover and a tail cover, and a connecting barrel is also screwed on the front end of the barrel of the multi-color injection molding machine, the barrel cover is screwed on the front end of the connecting barrel, and the tail cover is screwed on the rear end of the barrel of the multi-color injection molding machine.

[0006] Preferably, the front end of the barrel of the multi-color injection molding machine is provided with an external threaded tube, and the rear end of the connecting barrel is internally arranged with an internal thread.

[0007] Preferably, the rear end of the barrel of the multi-color injection molding machine and the front end of the connecting barrel are both provided with barrel openings, and inner spiral tubes are evenly arranged along the outer edge of the barrel openings.

[0008] Preferably, the barrel cover and the tail cover are respectively provided with matching barrel openings corresponding to the barrel openings, and matching inner screw tubes are evenly arranged along the edges of the matching barrel openings. The matching inner screw tubes correspond to the inner screw tubes and are fixed by bolts.

[0009] Preferably, the outer wall of the connecting tube is also arranged with external threads.

[0010] Preferably, the barrel, barrel cover and tail cover of the multi-color injection molding machine are all made of corrosion-resistant high-temperature alloys.

[0011] Preferably, the corrosion-resistant high-temperature alloy is a high-temperature alloy, or a corrosion-resistant alloy, or a Hastelloy, or a precision alloy, or a nickel alloy.

[0012] Preferably, the corrosion-resistant high-temperature alloy is externally covered with a coating.

[0013] Preferably, the coating is a polymer anti-corrosion coating or an inorganic nano anti-corrosion layer.

[0014] Preferably, it also includes a multi-color injection molding machine screw and a screw head, the front end of the multi-color injection molding machine screw is provided with a connecting end 1, the rear end of the multi-color injection molding machine screw is provided with a connecting end 2, the screw head is screwed on the connecting end 1, and the tail end is screwed on the connecting end 2, a stud is provided at the rear end of the screw head, the connecting end 1 is embedded with an internal screw hole for screwing the stud, the connecting end 2 is connected to the rear end of the multi-color injection molding machine screw by setting a threaded portion, the tail end includes tail end 1 and tail end 2, the tail end 1 and the tail end 2 are connected by setting a connecting column, a thread is arranged inside the tail end 1, and it is screwed on the rear end of the connecting end 2, the material of the multi-color injection molding machine screw, the screw head and the tail end are all bidirectional alloys, and the bidirectional alloy is a mixture of nickel-titanium alloy, copper-zinc-aluminum alloy, and copper-zinc-manganese alloy.

[0015] The beneficial effects of the present invention are as follows: the present application improves the barrel of the second generation double-color double-alloy Haitian injection molding machine using the model 160T26 Zhafir, which is convenient for maintenance of the barrel structure, and is convenient for frequent replacement after damage during use of the injection molding machine, thereby improving installation and use efficiency and facilitating multi-color mixing. The barrel used in the present application has a reasonable internal texture structure, is safe and durable, has a long service life, and is easy to install.

[0016] This application is an improvement on the corresponding screw of the barrel configuration of the Haitian injection molding machine two-color two-alloy second-generation machine, which adopts the model 160T26 Zhafir. The screw head and tail end are screwed together and the structure is reasonable, which is convenient for maintenance and replacement, improves work efficiency, and improves the durability and service life of the screw texture structure. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the barrel structure of the present invention; Figure 2 This is a schematic diagram of the barrel structure of the multi-color injection molding machine of the present invention; Figure 3 This is a schematic diagram of the connecting tube structure of the present invention; Figure 4 This is a schematic diagram of the cylinder cover structure of the present invention; Figure 5 It is a schematic diagram of the tail cover structure of the present invention; Figure 6 For the present invention Figure 1 Schematic diagram of the internal structure; Figure 7 Schematic diagram of the screw structure; Figure 8 This is a schematic diagram of the screw structure of the multi-color injection molding machine of the present invention; Fig. 9 This is a schematic diagram of the screw head structure of the present invention; Fig.10 It is a schematic diagram of the tail end structure of the present invention; In the figure: a multi-color injection molding machine barrel 1, an external threaded tube 11, an internal thread 12, a connecting barrel 2, an external thread 21, a barrel mouth 22, a matching barrel mouth 221, an internal screw tube 23, a matching internal screw tube 24, a barrel cover 3, a tail cover 4, a bolt 41, a corrosion-resistant high-temperature alloy 5, a coating 51, a multi-color injection molding machine screw 6, a connecting end 1 61, an internal thread hole 62, a connecting end 2 63, a tail end 7, a tail end 1 71, a tail end 2 72, a connecting column 73, a screw head 8, and a stud 81. DETAILED DESCRIPTION

[0018] 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 described embodiments 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 creative work are within the scope of protection of the present invention. Example

[0019] See also Figures 1 to 6 As shown, the technical solution provided by the present invention is: a multi-color blended thermosensitive plastic barrel, including a multi-color injection molding machine barrel 1, which is a 160T26 Zhafir barrel structure adopted by the Haitian injection molding machine double-color double-alloy second-generation machine on the existing market.

[0020] The existing Haitian injection molding machine dual-color dual-alloy second-generation machine on the market uses a barrel of model 160T26 Zhafir. In actual use, since the barrel structure of this type on the market is fixed and inconvenient to disassemble and maintain, it is inconvenient to replace the screw, causing trouble. The present application makes improvements on the basis of the existing Haitian injection molding machine dual-color dual-alloy second-generation machine using a barrel of model 160T26 Zhafir. A connecting barrel is screwed on the front end of the barrel of the multi-color injection molding machine, and the barrel cover is screwed on the connecting barrel, so that the screw is more reasonably installed, and the screw cover is screwed on to make the screw and the barrel of the multi-color injection molding machine more compatible.

[0021] In addition, the existing barrel is not suitable for multi-color blending and the internal structure also needs to be improved. The present application adopts a corrosion-resistant high-temperature alloy, and a coating is applied on the outside of the corrosion-resistant high-temperature alloy for protection, which increases the service life and is strong and durable.

[0022] The innovation of the present application is that: the barrel 1 of the multi-color injection molding machine is equipped with a barrel cover 3 and a tail cover 4, the front end of the barrel 1 of the multi-color injection molding machine is also screwed with a connecting barrel 2, the barrel cover 3 is screwed on the front end of the connecting barrel 2, and the tail cover 4 is screwed on the rear end of the barrel 1 of the multi-color injection molding machine, so as to facilitate the installation of the screw in the barrel 1 of the multi-color injection molding machine.

[0023] The front end of the barrel 1 of the multi-color injection molding machine is provided with an external threaded tube 11, and the rear end of the connecting barrel 2 is internally arranged with an internal thread 12. The rear end of the barrel 1 of the multi-color injection molding machine and the front end of the connecting barrel 2 are both provided with a barrel opening 22, and internal screw tubes 23 are evenly arranged along the outer edge of the barrel opening 22. The barrel cover 3 and the tail cover 4 are respectively provided with a matching barrel opening 221 corresponding to the barrel opening 22, and matching internal screw tubes 24 are evenly arranged along the edge of the matching barrel opening 221, and the matching internal screw tubes 24 correspond to the internal screw tubes 23, which are screwed and fixed by bolts 41. The outer wall of the connecting barrel 2 is also provided with an external thread 21. The barrel opening 22 is installed in conjunction with the screw.

[0024] The multi-color injection molding machine barrel 1, barrel cover 3 and tail cover 4 are all corrosion-resistant high-temperature alloy 5. The corrosion-resistant high-temperature alloy 5 is a high-temperature alloy, or a corrosion-resistant alloy, or a Hastelloy, or a precision alloy, or a nickel alloy. The corrosion-resistant high-temperature alloy 5 is covered with a coating 51 on the outside. The coating 51 can be a polymer anti-corrosion coating or an inorganic nano anti-corrosion layer. Polymer anti-corrosion coatings such as acrylic, polyurethane, and epoxy systems. The coating 51 uses a metal anti-corrosion coating, which is applied to the surface of the multi-color injection molding machine barrel 1, barrel cover 3 and tail cover 4 to provide an anti-corrosion protection coating, which is used to isolate the material from contact with external factors such as oxygen and moisture, thereby reducing oxidation and corrosion of metal materials and extending service life and reliability.

[0025] Working principle: The installation structure of the present application is a screw-mounted combination, the front end of the barrel of the multi-color injection molding machine is also screwed with a connecting barrel, the barrel cover is screwed on the front end of the connecting barrel, and the tail cover is screwed on the rear end of the barrel of the multi-color injection molding machine. It is convenient to install the screw in the barrel of the multi-color injection molding machine.

[0026] The barrel of the present application has good texture, and adopts advanced anti-corrosion coating to increase the overall service life and durability of the barrel, thereby improving the use efficiency.

[0027] See also Figures 7 to 10 As shown, the technical solution provided by the present invention is: a multi-color blending thermosensitive screw, comprising a multi-color injection molding machine screw 6 and a screw head 8. It is a corresponding screw structure of the 160T26 Zhafir barrel configuration of the Haitian injection molding machine two-color double alloy second generation machine currently on the market.

[0028] This application is aimed at the existing market Shanghai Tian injection molding machine two-color two-alloy second-generation machine uses a screw with a barrel configuration of model 160T26 Zhafir. In actual use, since the screw structure of this model on the market is fixed and inconvenient to maintain, the head and tail ends are particularly easy to be damaged and need to be replaced, causing trouble. The screw head and tail ends in this application have a reasonable structure, which is convenient to install at the head and tail ends of the multi-color injection molding machine screw, which is convenient for replacement and improves the use efficiency.

[0029] The present application aims to improve the durability of the existing screw rod texture structure and service life.

[0030] The innovation of the present application is that: the front end of the multi-color injection molding machine screw 6 is provided with a connection end 1 61, the screw head 8 is screwed on the connection end 1 61, the rear end of the screw head 8 is provided with a stud 81, and the connection end 1 61 is embedded with an internal screw hole 62 for screwing the stud 81. It is convenient to screw the screw head 8, which is convenient for maintenance and replacement. The connection end 2 63 is connected to the rear end of the multi-color injection molding machine screw 6 through a threaded portion. It is convenient to screw the tail end 7, which is convenient for maintenance and replacement. The rear end of the multi-color injection molding machine screw 6 is provided with a connection end 2 63, and the tail end 7 is screwed on the connection end 2 63. The tail end 7 includes a tail end 1 71 and a tail end 2 72, and the tail end 1 71 and the tail end 2 72 are connected by setting a connecting column 73. The structure is reasonable, and the tail end 1 71 is internally arranged with a thread, which is screwed on the rear end of the connection end 2 63. It is convenient for maintenance and replacement.

[0031] The screw, screw head and tail end of the multi-color injection molding machine are all made of bidirectional alloy. Bidirectional alloy is a mixture of nickel-titanium alloy, copper-zinc-aluminum alloy and copper-zinc-manganese alloy. Bidirectional alloy has bidirectional shape memory effect and excellent mechanical properties, including high elastic modulus, high strength, good toughness and fatigue life. Bidirectional alloy has good wear resistance, can withstand various cutting and wear forces, and is not easy to wear and deform. Bidirectional alloy has good corrosion resistance, can withstand corrosion from various strong acids, strong alkalis and other corrosive media, and is not easy to rust and discolor.

[0032] Working principle: The front end of the multi-color injection molding machine screw is provided with a connection end 1, the screw head is screwed on the connection end 1, and the connection end 2 is connected to the rear end of the multi-color injection molding machine screw through a threaded portion. The connection end 2 is screwed with a tail end. It is convenient for maintenance and replacement. In addition to improving the structure of the screw, the present application also improves the material structure of the screw, so that the screw has a long service life, is easy to install, and is convenient for multi-color blending operations.

[0033] Although the present invention has been described in detail with reference to the aforementioned embodiments, it is still possible for those skilled in the art to modify the technical solutions described in the aforementioned embodiments, or to 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 protection scope of the present invention.

Claims

1. A high-quality barrel and screw assembly for multi-color blending of heat-sensitive plastics, including a barrel for a multi-color injection molding machine, characterized in that: The barrel of the multi-color injection molding machine is equipped with a barrel cover and a tail cover. The front end of the barrel of the multi-color injection molding machine is also screwed with a connecting barrel. The barrel cover is screwed on the front end of the connecting barrel, and the tail cover is screwed on the rear end of the barrel of the multi-color injection molding machine.

2. A multi-color blended thermosensitive plastic barrel according to claim 1, characterized in that: The front end of the barrel of the multi-color injection molding machine is provided with an external threaded pipe, and the rear end of the connecting barrel is internally arranged with an internal thread.

3. A high-quality barrel and screw assembly for multi-color blending of heat-sensitive plastics according to claim 1, characterized in that: The rear end of the barrel of the multi-color injection molding machine and the front end of the connecting barrel are both provided with barrel openings, and inner spiral tubes are evenly arranged along the outer edge of the barrel openings.

4. A high-quality barrel and screw assembly for multi-color blending of heat-sensitive plastics according to claim 1, characterized in that: The barrel cover and the tail cover are respectively provided with matching barrel openings corresponding to the barrel openings, and matching inner screw tubes are evenly arranged along the edges of the matching barrel openings. The matching inner screw tubes correspond to the inner screw tubes and are respectively fixed by bolts.

5. A high-quality barrel and screw assembly for multi-color blending of heat-sensitive plastics according to claim 1, characterized in that: The outer wall of the connecting cylinder is also provided with external threads.

6. A high-quality barrel and screw assembly for multi-color blending of heat-sensitive plastics according to claim 1, characterized in that: The barrel, barrel cover and tail cover of the multi-color injection molding machine are all made of corrosion-resistant high-temperature alloy.

7. The high-quality barrel and screw assembly for multi-color blending of heat-sensitive plastics according to claim 1, characterized in that: The corrosion-resistant high-temperature alloy is a high-temperature alloy, or a corrosion-resistant alloy, or a Hastelloy, or a precision alloy, or a nickel alloy.

8. The high-quality barrel and screw assembly for multi-color blending of thermosensitive plastics according to claim 1, characterized in that: The corrosion-resistant high-temperature alloy is externally covered with a coating.

9. A high-quality barrel and screw assembly for multi-color blending of heat-sensitive plastics according to claim 8, characterized in that: The coating is a polymer anti-corrosion coating or an inorganic nano anti-corrosion layer.

10. The high-quality barrel and screw assembly for multi-color blending of thermosensitive plastics according to claim 1, characterized in that: It also includes a multi-color injection molding machine screw and a screw head. The front end of the multi-color injection molding machine screw is provided with a connecting end 1, and the rear end of the multi-color injection molding machine screw is provided with a connecting end 2. The screw head is screwed on the connecting end 1, and the tail end is screwed on the connecting end 2. A stud is provided at the rear end of the screw head. The connecting end 1 is embedded with an internal screw hole for screwing the stud, and the connecting end 2 is connected to the rear end of the multi-color injection molding machine screw by setting a threaded portion. The tail end includes a tail end 1 and a tail end 2, and the tail end 1 and the tail end 2 are connected by setting a connecting column. A thread is arranged inside the tail end 1, which is screwed on the rear end of the connecting end 2. The materials of the multi-color injection molding machine screw, the screw head and the tail end are all bidirectional alloys, and the bidirectional alloy is a mixture of nickel-titanium alloy, copper-zinc-aluminum alloy, and copper-zinc-manganese alloy.

Images