Injection molding machine with charging barrel convenient to clean

By introducing cleaning and auxiliary components into the injection molding machine barrel, and utilizing a motor-driven gear and gear ring structure, combined with a double-sided scraper and water spray pipe, the problem of tedious barrel cleaning is solved, enabling rapid cleaning of the barrel's inner wall and material mixing, preventing blockages, and improving the practicality and safety of the injection molding machine.

CN223820988UActive Publication Date: 2026-01-23SUZHOU KINGTON PRECISION MOLDING TECH CO LTD
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Patent Information

Application Number
CN202520456429.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-17
Publication Date
2026-01-23
Estimated Expiration
2035-03-17

AI Technical Summary

Technical Problem

The existing barrel cleaning process for injection molding machines is cumbersome, making it impossible to clean directly without disassembly, and there is a risk of material solidification and blockage.

Method used

A material cylinder comprising a cleaning component and auxiliary components was designed. The cleaning process is controlled by a solenoid valve, combined with a motor-driven gear and gear ring structure, and equipped with a double-sided scraper and a water spray pipe to achieve rapid cleaning of the inner wall of the material cylinder and material mixing, preventing blockage.

Benefits of technology

It enables rapid cleaning of the inner wall of the barrel, prevents material accumulation and blockage, improves the convenience and practicality of the device, and ensures injection molding quality.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses an injection molding machine capable of conveniently cleaning a charging barrel, which belongs to the field of injection molding machines and comprises the charging barrel, a connecting pipe is fixedly communicated with the bottom end of the charging barrel, and a drain valve is fixedly communicated with the side surface of the connecting pipe. A mounting plate is fixedly mounted on the outer wall of the charging barrel, a motor is fixedly mounted at the top end of the mounting plate, an output shaft of the motor is fixedly sleeved with a gear, and a cleaning assembly is rotationally mounted on the inner wall of the charging barrel; an auxiliary assembly is fixedly installed on the outer side of the cleaning assembly, the interior of the charging barrel can be directly and rapidly cleaned and scraped without dismantling the charging barrel, it can be effectively guaranteed that cleaned waste water cannot enter the machine through cooperation with two electromagnetic valves, and finally internal material stirring can be achieved during feeding. Materials are prevented from being solidified and blocked, and the overall practicability and convenience of the device are further improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to injection molding machine field, more specifically, relate to a kind of injection molding machine of easy cleaning material cylinder. BACKGROUND

[0002] With the rapid development of plastics technology, the requirement of plastic injection is higher and higher, and patent publication number CN219947049U discloses a kind of injection molding machine convenient to clean, including injection molding machine body, the lower end of the injection molding machine body is fixedly connected with base, the inside of the base is provided with hydraulic press, the output end of the hydraulic press is fixedly connected with tray, the lower surface of the tray is provided with universal wheel, the upper end of the injection molding machine body is provided with cleaning mechanism. By adding inlet, feed cylinder, dustproof box, bayonet lock and other structures, when the feed cylinder needs to be cleaned, only need to pull the pull ring, the bayonet lock can be released to the limiting of feed cylinder, the feed cylinder can be disassembled and taken out, and it is convenient to clean.

[0003] In the prior art, the material cylinder needs to be disassembled and cleaned during actual use, which is complicated, and the existing cleaning mechanism still has limitations, so it cannot be directly cleaned without disassembly. UTILITY MODEL CONTENTS

[0004] 1. Technical problem to be solved

[0005] In view of the problems existing in the prior art, the utility model aims to provide an injection molding machine with a material cylinder that can be easily cleaned, which can clean the inside of the material cylinder without disassembly, and can effectively prevent the cleaning wastewater from entering the machine by cooperating with two electromagnetic valves. Finally, the material inside the machine can be stirred during feeding to prevent the material from solidifying and blocking, thereby further improving the overall practicality and convenience of the device.

[0006] 2. Technical scheme

[0007] To solve the above problems, the utility model adopts the following technical scheme.

[0008] An injection molding machine with a material cylinder that can be easily cleaned, comprising a material cylinder, a connecting pipe fixedly connected to the bottom end of the material cylinder, a discharge valve fixedly connected to the side of the connecting pipe, an electromagnetic valve one and an electromagnetic valve two fixedly installed on the upper and lower sides of the discharge valve inside the connecting pipe, an installation plate fixedly installed on the outer wall of the material cylinder, a motor fixedly installed on the top end of the installation plate, a gear fixedly sleeved to the output shaft of the motor, a cleaning assembly rotatably installed on the inner wall of the material cylinder, and an auxiliary assembly fixedly installed on the outside of the cleaning assembly.

[0009] Furthermore, a sliding groove is provided at the top of the material cylinder.

[0010] Furthermore, the cleaning assembly includes a crossbar, a toothed ring is fixedly installed at the outer end of the crossbar, a limit slider is fixedly installed at the bottom end of the middle part of the crossbar, a first wall-adhering rod is fixedly installed at the inner end of the crossbar, a second wall-adhering rod is fixedly installed at the bottom end of the first wall-adhering rod, and a double-sided scraper is fixedly installed on the inner wall of both the second wall-adhering rod and the first wall-adhering rod.

[0011] Furthermore, the limiting slider is slidably installed inside the sliding groove, and the outer wall of the toothed ring and the surface of the gear mesh with each other.

[0012] Furthermore, the inner side of the double-sided scraper is attached to the inner wall of the material cylinder.

[0013] Furthermore, the auxiliary component includes a connecting box, a water injection pipe is fixedly connected to the top of the connecting box, reinforcing ribs are fixedly installed on the side of the connecting box, a water spray pipe is fixedly connected to the other side of the connecting box, and a stirring strip is fixedly installed on the outer wall of the water spray pipe.

[0014] Furthermore, a water pipe is fixedly connected to the top end of the water injection pipe, and a water pump is fixedly connected to one end of the water pipe. The reinforcing rib and the first wall-mounted rod are fixedly connected to each other.

[0015] Furthermore, there are four water spray pipes, which are arranged equidistantly from top to bottom on the side of the connecting box.

[0016] 3. Beneficial effects

[0017] Compared with existing technologies, the advantages of this utility model are:

[0018] (1) This solution utilizes a cleaning component to quickly clean and scrape the inner wall of the material cylinder without having to disassemble the material cylinder separately, which improves the convenience of cleaning the inside of the material cylinder and thus improves the overall practicality of the device.

[0019] (2) This solution utilizes auxiliary components that have both stirring and water spraying effects, which can effectively prevent the internal materials from accumulating and clogging and assist in cleaning the inner wall, thus improving the practicality of the device itself.

[0020] (3) This solution utilizes the cooperation of solenoid valve one and solenoid valve two to effectively prevent the wastewater after cleaning from entering the injection molding machine, ensuring the overall practicality and safety of the device, and also ensuring the injection molding quality of subsequent machines. Attached Figure Description

[0021] Figure 1 This is a schematic diagram of the overall structure of the material cylinder in this utility model;

[0022] Figure 2 This is a schematic diagram of the internal structure of the material cylinder in this utility model;

[0023] Figure 3 This is a schematic diagram of the cleaning component structure in this utility model;

[0024] Figure 4 This is a schematic diagram of the auxiliary component structure in this utility model.

[0025] Explanation of the labels in the diagram:

[0026] 1. Material cylinder; 2. Connecting pipe; 3. Drain valve; 4. Solenoid valve one; 5. Solenoid valve two; 6. Mounting plate; 7. Motor; 8. Gear; 9. Cleaning assembly; 10. Auxiliary assembly; 901. Crossbar; 902. Gear ring; 903. Limiting slider; 904. First wall-mounting rod; 905. Second wall-mounting rod; 906. Double-sided scraper; 101. Connecting box; 102. Water injection pipe; 103. Reinforcing rib; 104. Water spray pipe; 105. Agitator bar. Detailed Implementation

[0027] 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. All other embodiments obtained by those skilled in the art based on the embodiments of the present utility model without creative effort are within the protection scope of the present utility model.

[0028] In the description of this utility model, it should be noted that the terms "upper," "lower," "inner," "outer," "top / bottom," etc., indicating the orientation or positional relationship are based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model. Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0029] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installed," "equipped with," "sleeved / connected," "connected," etc., should be interpreted broadly. For example, "connection" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium; it can be a connection within two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0030] Example 1:

[0031] Please see Figures 1-4 An injection molding machine for easy cleaning of the barrel includes a barrel 1. A connecting pipe 2 is fixedly connected to the bottom end of the barrel 1. A drain valve 3 is fixedly connected to the side of the connecting pipe 2. A solenoid valve 4 and a solenoid valve 5 are fixedly installed on the upper and lower sides of the drain valve 3 inside the connecting pipe 2, respectively. An mounting plate 6 is fixedly installed on the outer wall of the barrel 1. A motor 7 is fixedly installed on the top of the mounting plate 6. A gear 8 is fixedly sleeved on the output shaft of the motor 7. A cleaning component 9 is rotatably installed on the inner wall of the barrel 1. An auxiliary component 10 is fixedly installed on the outer side of the cleaning component 9.

[0032] It should be noted that the barrel 1 and the connecting pipe 2 in this application are both prior art in the prior art documents. Their bottom ends and the corresponding connecting parts and structural designs of the injection molding machine are all existing mature technologies. Therefore, this application will not elaborate on them in detail.

[0033] The top of the material cylinder 1 is provided with a sliding groove. The cleaning component 9 includes a crossbar 901. A toothed ring 902 is fixedly installed on the outer end of the crossbar 901. A limiting slider 903 is fixedly installed on the bottom end of the middle part of the crossbar 901. A first wall-adhering rod 904 is fixedly installed on the inner end of the crossbar 901. A second wall-adhering rod 905 is fixedly installed on the bottom end of the first wall-adhering rod 904. Double-sided scrapers 906 are fixedly installed on the inner walls of both the second wall-adhering rod 905 and the first wall-adhering rod 904. The limiting slider 903 is slidably installed inside the sliding groove. The outer wall of the toothed ring 902 and the surface of the gear 8 mesh with each other. The inner side of the double-sided scraper 906 is attached to the inner wall of the material cylinder 1.

[0034] Specifically, the double-sided scraping structure of the double-sided scraper 906 can effectively adapt to different rotation directions of the toothed ring 902 and achieve effective scraping and cleaning. Secondly, the limiting slider 903 can limit the rotation of the toothed ring 902 to ensure stable transmission.

[0035] The auxiliary component 10 includes a connecting box 101, a water injection pipe 102 fixedly connected to the top of the connecting box 101, a reinforcing rib 103 fixedly installed on the side of the connecting box 101, a spray pipe 104 fixedly connected to the other side of the connecting box 101, a stirring strip 105 fixedly installed on the outer wall of the spray pipe 104, a water pipe fixedly connected to the top of the water injection pipe 102, a water pump fixedly connected to one end of the water pipe, the reinforcing rib 103 and the first wall-mounted rod 904 fixedly connected to each other, and four spray pipes 104 arranged equidistantly from top to bottom on the side of the connecting box 101.

[0036] Specifically, the reinforcing rib 103 can enhance the connection stability between the connecting box 101 and the first wall-mounted rod 904. Secondly, the stirring strips 105 on both sides of the water spray pipe 104 can effectively reduce the resistance of the water spray pipe 104 when rotating inside the material cylinder 1, and can better stir the material. Finally, the water spray pipe 104 can preferentially spray the cleaning liquid onto the inner wall of the material cylinder 1, and then cooperate with the double-sided scraper 906 to achieve efficient cleaning.

[0037] The working principle of this utility model is as follows: When the inner wall of the barrel 1 needs to be cleaned, firstly close the solenoid valve 2 5 and solenoid valve 1 4, then start the motor 7 to drive the gear 8 to rotate, which in turn drives the first wall-adhering rod 904 to rotate on the inner wall of the barrel 1 in conjunction with the gear ring 902. At this time, the double-sided scraper 906 adheres to the inner wall of the barrel 1 to scrape and clean. At the same time, the water pump starts to inject water into the water injection pipe 102, which enters the connecting box 101 and sprays out from the outer end of the spray pipe 104, directly spraying onto the inner wall of the barrel 1. This, together with the double-sided scraper 906, improves the cleaning efficiency. After cleaning, solenoid valve 1 4 is opened, and then the waste liquid flows out from the drain valve 3. When the barrel 1 is feeding normally, both solenoid valve 1 4 and solenoid valve 2 5 are opened to ensure that the barrel 1 and the connecting pipe 2 are unobstructed, and the material can enter the interior of the injection molding machine.

[0038] The above description is merely a preferred embodiment of this utility model; however, the protection scope of this utility model is not limited thereto. Any equivalent substitutions or modifications made by those skilled in the art within the technical scope disclosed in this utility model, based on the technical solution and its improved concept, should be included within the protection scope of this utility model.

Claims

1. An injection molding machine with a convenient barrel for cleaning, comprising a barrel (1), characterized in that: The bottom end of the material cylinder (1) is fixedly connected to a connecting pipe (2), and the side of the connecting pipe (2) is fixedly connected to a drain valve (3). Inside the connecting pipe (2), a solenoid valve one (4) and a solenoid valve two (5) are fixedly installed on the upper and lower sides of the drain valve (3), respectively. An installation plate (6) is fixedly installed on the outer wall of the material cylinder (1), and a motor (7) is fixedly installed on the top of the installation plate (6). A gear (8) is fixedly sleeved on the output shaft of the motor (7). A cleaning component (9) is rotatably installed on the inner wall of the material cylinder (1), and an auxiliary component (10) is fixedly installed on the outer side of the cleaning component (9).

2. The injection molding machine with a convenient cleaning barrel according to claim 1, characterized in that: The top of the material cylinder (1) is provided with a sliding groove.

3. The injection molding machine with a convenient cleaning barrel according to claim 1, characterized in that: The cleaning assembly (9) includes a crossbar (901), a toothed ring (902) is fixedly installed at the outer end of the crossbar (901), a limit slider (903) is fixedly installed at the bottom end of the middle part of the crossbar (901), a first wall-adhering rod (904) is fixedly installed at the inner end of the crossbar (901), a second wall-adhering rod (905) is fixedly installed at the bottom end of the first wall-adhering rod (904), and a double-sided scraper (906) is fixedly installed on the inner wall of both the second wall-adhering rod (905) and the first wall-adhering rod (904).

4. The injection molding machine with a convenient cleaning barrel according to claim 3, characterized in that: The limiting slider (903) is slidably installed inside the sliding groove, and the outer wall of the toothed ring (902) and the surface of the gear (8) mesh with each other.

5. The injection molding machine with a convenient cleaning barrel according to claim 3, characterized in that: The inner side of the double-sided scraper (906) is attached to the inner wall of the barrel (1).

6. The injection molding machine with a convenient cleaning barrel according to claim 1, characterized in that: The auxiliary component (10) includes a connecting box (101), a water injection pipe (102) is fixedly connected to the top of the connecting box (101), a reinforcing rib (103) is fixedly installed on the side of the connecting box (101), a water spray pipe (104) is fixedly connected to the other side of the connecting box (101), and a stirring strip (105) is fixedly installed on the outer wall of the water spray pipe (104).

7. An injection molding machine with a convenient cleaning barrel according to claim 6, characterized in that: The top end of the water injection pipe (102) is fixedly connected to a water pipe, and one end of the water pipe is fixedly connected to a water pump. The reinforcing rib (103) and the first wall-mounted rod (904) are fixedly connected to each other.

8. An injection molding machine with a convenient cleaning barrel according to claim 6, characterized in that: There are four water spray pipes (104), which are arranged equidistantly from top to bottom on the side of the connecting box (101).

Citation Information

Patent Citations

  • Injection molding machine convenient to clean

    CN219947049U