Injection molding machine convenient to clean

Abstract

The utility model relates to the technical field of injection molding machines, in particular to an injection molding machine convenient to clean. Comprising an injection molding barrel and a feeding assembly connected with a feeding port of the injection molding barrel. Wherein the feeding assembly comprises a feeding cylinder, a middle rotating shaft, a rotating disc, an outer rotating shaft, a driving unit, a stirring rod and a scraping rod; the feeding cylinder is connected with a feeding hole of the injection molding cylinder body; the middle rotating shaft is mounted in the feeding cylinder; the rotating disc is mounted at the upper part of the middle rotating shaft; a plurality of outer rotating shafts are arranged, and the plurality of outer rotating shafts are annularly arranged on the outer side of the middle rotating shaft at equal intervals and are connected with the rotating disc; the driving unit is connected with the middle rotating shaft and is used for driving the middle rotating shaft to rotate; the stirring rod is mounted on the outer side of the outer rotating shaft; and the scraping rod is mounted at the free end of the stirring rod. By means of the arrangement, materials can be effectively prevented from being accumulated and attached to the inner wall of the feeding cylinder, and therefore the discharging effect is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of injection molding machines, in particular to an injection molding machine which is easy to clean. Background Art

[0002] Injection molding machine, also known as injection molding machine or injection machine, can melt plastic raw materials and inject them into the mold. When the plastic raw materials are cooled and formed in the mold, the finished product can be obtained.

[0003] Existing injection molding machines usually feed materials through a feed barrel, and materials tend to accumulate on the inner wall of the feed barrel and are difficult to clean, resulting in poor feeding effect and being unsuitable for industrial applications.

[0004] Therefore, it is necessary to propose a technical means to solve the above defects. Utility Model Content

[0005] The utility model adopts the following technical solutions:

[0006] An injection molding machine that is easy to clean, comprises an injection molding cylinder and a feeding assembly connected to the feeding port of the injection molding cylinder; wherein the feeding assembly comprises a feeding cylinder, a central rotating shaft, a rotating disc, an outer rotating shaft, a driving unit, a stirring rod and a scraping rod; the feeding cylinder is connected to the feeding port of the injection molding cylinder; the central rotating shaft is installed in the feeding cylinder; the rotating disc is installed on the upper part of the central rotating shaft; a plurality of the outer rotating shafts are arranged equidistantly on the outer side of the central rotating shaft and connected to the rotating disc; the driving unit is connected to the central rotating shaft for driving the central rotating shaft to rotate; the stirring rod is installed on the outer side of the outer rotating shaft; the scraping rod is installed at the free end of the stirring rod and fits against the inner wall of the feeding cylinder.

[0007] Preferably, the stirring rod is inclined downward from the outer rotating shaft.

[0008] Preferably, a scraper is provided on one side of the scraper rod close to the inner wall of the feed barrel.

[0009] Preferably, the feeding assembly also includes a water inlet chamber installed above the feeding barrel and connected with the feeding barrel; the rotating disc is slidably installed on the connecting port between the water inlet chamber and the feeding barrel, and is used to seal the connecting port; the outer rotating shaft includes an outer tube, an inner tube and a first motor; the outer tube is installed at the bottom of the rotating disc, and its upper end extends upward through the rotating disc into the water inlet chamber; a first communicating pipe is provided in the outer tube, and a first water inlet connected to the water inlet chamber is provided at the upper part of the first communicating pipe, and a first water outlet connected to the inside of the feeding barrel is provided at the lower part; the inner tube is installed in the first communicating pipe, and a second communicating pipe is provided inside the inner tube, and a second water inlet is provided at the upper part of the second communicating pipe corresponding to the first water inlet, and a second water outlet is provided at the lower part corresponding to the first water outlet; a first motor is installed at the upper part of the inner tube, and is used to drive the inner tube to rotate relative to the outer tube.

[0010] Preferably, a water supply port is provided on one side of the water inlet chamber; the water supply port is connected to an external water supply device; and a feed port for material input is provided on one side of the upper portion of the feed barrel.

[0011] Preferably, the driving unit includes a second motor connected to the central rotating shaft and used for driving the central rotating shaft to rotate.

[0012] Preferably, a connecting shaft rotating with the rotating shaft is provided at the bottom of the rotating shaft; and propeller blades are provided on the outer periphery of the connecting shaft.

[0013] The utility model relates to an injection molding machine which is easy to clean. Through the arrangement of a feed barrel, a central rotating shaft, a rotating disc, an outer rotating shaft, a driving unit, a stirring rod and a scraper rod in a feed assembly, the material can be effectively prevented from accumulating and adhering to the inner wall of the feed barrel, thereby improving the material discharge effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is an overall schematic diagram of an injection molding machine that is easy to clean according to the utility model;

[0015] Figure 2 for Figure 1 Schematic diagram of the explosion structure;

[0016] Figure 3 for Figure 1 A schematic cross-sectional structure diagram of ;

[0017] Figure 4 The utility model is a partial structural schematic diagram of an injection molding machine that is easy to clean. DETAILED DESCRIPTION

[0018] The technical solution of the utility model will be described clearly and completely below in conjunction with the accompanying drawings. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0019] In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", and "third" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.

[0020] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it 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 it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0021] See also Figures 1 to 4 , an injection molding machine that is easy to clean, includes an injection molding cylinder (not shown in the figure) and a feeding assembly 10 connected to the feeding port of the injection molding cylinder; wherein the feeding assembly 10 includes a feeding cylinder 101, a central rotating shaft 102, a rotating disc 103, an outer rotating shaft 104, a driving unit, a stirring rod 105 and a scraping rod 106; the feeding cylinder 101 is connected to the feeding port of the injection molding cylinder; the central rotating shaft 102 is installed in the feeding cylinder 101; the rotating disc 103 is installed on the upper part of the central rotating shaft 102; a plurality of outer rotating shafts 104 are provided, and the plurality of outer rotating shafts 104 are equidistantly arranged on the outer side of the central rotating shaft 102 and connected to the rotating disc 103; the driving unit is connected to the central rotating shaft 102 for driving the central rotating shaft 102 to rotate; the stirring rod 105 is installed on the outer side of the outer rotating shaft 104; the scraping rod 106 is installed at the free end of the stirring rod 105 and fits the inner wall of the feeding cylinder 101.

[0022] Specifically, in this embodiment, when working, the driving unit drives the central rotating shaft 102 to rotate, thereby driving the rotating disk 103 to rotate, thereby driving the outer rotating shaft 104, and the stirring rod 105 and the scraper connected to the outer rotating shaft 104 to rotate; through the rotation of the stirring rod 105, the material is effectively stirred, thereby improving the material feeding effect; through the rotation of the scraper rod 106, the material on the inner wall of the feed barrel 101 can be effectively cleaned.

[0023] The utility model relates to an injection molding machine which is easy to clean. Through the arrangement of the feed barrel 101, the central rotating shaft 102, the rotating disc 103, the outer rotating shaft 104, the driving unit, the stirring rod 105 and the scraper rod 106 in the feed assembly 10, the material can be effectively prevented from accumulating and adhering to the inner wall of the feed barrel 101, thereby improving the material discharge effect.

[0024] In a specific embodiment, the stirring rod 105 is tilted downward from the outer shaft 104. In this embodiment, by tilting the stirring rod 105, the material can be stirred while effectively improving the material feeding efficiency. The scraper rod 106 is provided with a scraper (not shown) on one side close to the inner wall of the feed barrel 101. In this embodiment, the scraper can effectively improve the cleaning effect of the inner wall.

[0025] In a specific embodiment, the feed assembly 10 also includes a water inlet chamber 107 installed above the feed barrel 101 and connected to the feed barrel 101; the rotating disc 103 is slidably installed on the connecting port between the water inlet chamber 107 and the feed barrel 101, and is used to block the connecting port; the outer shaft 104 includes an outer tube 108, an inner tube 109 and a first motor 115; the outer tube 108 is installed at the bottom of the rotating disc 103, and its upper end extends upward through the rotating disc 103 into the water inlet chamber 107; a first connecting pipe is provided in the outer tube 108, A first water inlet 110 communicating with the water inlet chamber 107 is provided at the upper portion of the first communicating pipe, and a first water outlet 111 communicating with the interior of the feeding barrel 101 is provided at the lower portion thereof; the inner tube 109 is installed in the first communicating pipe, and a second communicating pipe is provided inside the inner tube 109, the upper portion of the second communicating pipe is provided with a second water inlet 112 corresponding to the first water inlet 110, and the lower portion is provided with a second water outlet corresponding to the first water outlet 111; a first motor 115 is installed at the upper portion of the inner tube 109, for driving the inner tube 109 to rotate relative to the outer tube 108. Specifically, in the present embodiment, when it is necessary to stir and discharge the material, the first motor 115 drives the outer tube 108 and the inner tube 109 to be dislocated, so that the first water inlet 110 and the second water inlet 112 are dislocated to prevent the water in the water inlet chamber 107 from entering, and the first water outlet 111 and the second water outlet are dislocated to prevent the material from entering the first connecting pipe during discharge; when it is necessary to clean the feed barrel 101 after the work is completed, the first motor 115 drives the inner tube 109 to rotate, so that the first water inlet 110, the second water inlet 112, the first water outlet 111, and the second water outlet are aligned accordingly, so that the water in the water inlet chamber 107 enters the feed barrel 101 through the first connecting pipe and the second connecting pipe, so as to cooperate with the scraper to clean the inner wall of the feed barrel 101. A water supply port 113 is provided on one side of the water inlet chamber 107 ; the water supply port 113 is connected to an external water supply device; a material supply port 114 is provided on one side of the upper portion of the feed barrel 101 for inputting materials.

[0026] In a specific embodiment, the driving unit includes a second motor 116 connected to the rotating shaft 102 for driving the rotating shaft 102 to rotate. A connecting shaft 117 that rotates with the rotating shaft 102 is provided at the bottom of the rotating shaft 102; a propeller blade 118 is provided on the outer periphery of the connecting shaft 117. In this embodiment, the provision of the propeller blade 118 greatly improves the material unloading speed.

[0027] The utility model relates to an injection molding machine which is easy to clean. Through the arrangement of the feed barrel 101, the central rotating shaft 102, the rotating disc 103, the outer rotating shaft 104, the driving unit, the stirring rod 105 and the scraper rod 106 in the feed assembly 10, the material can be effectively prevented from accumulating and adhering to the inner wall of the feed barrel 101, thereby improving the material discharge effect.

[0028] The above embodiments only express several implementation methods of the utility model, and the descriptions are relatively specific and detailed, but they cannot be understood as limiting the scope of the utility model patent. It should be pointed out that for ordinary technicians in this field, several modifications and improvements can be made without departing from the concept of the utility model, which all belong to the protection scope of the utility model. Therefore, the protection scope of the utility model patent shall be based on the attached claims.

Claims

1. An injection molding machine that is easy to clean, characterized in that : It includes an injection molding cylinder and a feeding assembly connected to the feeding port of the injection molding cylinder; wherein the feeding assembly includes a feeding cylinder, a central rotating shaft, a rotating disc, an outer rotating shaft, a driving unit, a stirring rod and a scraping rod; the feeding cylinder is connected to the feeding port of the injection molding cylinder; the central rotating shaft is installed in the feeding cylinder; the rotating disc is installed on the upper part of the central rotating shaft; a plurality of outer rotating shafts are provided, and the plurality of outer rotating shafts are equidistantly arranged on the outer side of the central rotating shaft and connected to the rotating disc; the driving unit is connected to the central rotating shaft for driving the central rotating shaft to rotate; the stirring rod is installed on the outer side of the outer rotating shaft; the scraping rod is installed at the free end of the stirring rod and fits against the inner wall of the feeding cylinder.

2. An injection molding machine that is easy to clean according to claim 1, characterized in that: The stirring rod is inclined downward from the outer rotating shaft.

3. An injection molding machine that is easy to clean according to claim 1, characterized in that: A scraper is provided on one side of the scraper rod close to the inner wall of the feed barrel.

4. An injection molding machine that is easy to clean according to claim 1, characterized in that: The feeding assembly also includes a water inlet chamber installed above the feeding barrel and connected with the feeding barrel; the rotating disc is slidably installed on the connecting port between the water inlet chamber and the feeding barrel, so as to block the connecting port; the outer rotating shaft includes an outer tube, an inner tube and a first motor; the outer tube is installed at the bottom of the rotating disc, and its upper end extends upward through the rotating disc into the water inlet chamber; a first communicating pipe is provided in the outer tube, and a first water inlet connected with the water inlet chamber is provided at the upper part of the first communicating pipe, and a first water outlet connected with the inside of the feeding barrel is provided at the lower part; the inner tube is installed in the first communicating pipe, and a second communicating pipe is provided inside the inner tube, and a second water inlet is provided at the upper part of the second communicating pipe corresponding to the first water inlet, and a second water outlet is provided at the lower part corresponding to the first water outlet; a first motor is installed at the upper part of the inner tube, so as to drive the inner tube to rotate relative to the outer tube.

5. An injection molding machine that is easy to clean according to claim 4, characterized in that: A water supply port is provided on one side of the water inlet chamber; the water supply port is connected to an external water supply device; and a feed port for material input is provided on one side of the upper part of the feed barrel.

6. The easy-to-clean injection molding machine according to claim 1, characterized in that: The driving unit includes a second motor connected to the central rotating shaft and used for driving the central rotating shaft to rotate.

7. An injection molding machine that is easy to clean according to claim 1, characterized in that: A connecting shaft which rotates with the central rotating shaft is arranged at the bottom of the central rotating shaft; and propeller blades are arranged on the outer periphery of the connecting shaft.

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