Feeding mechanism and twin-screw extruder

Abstract

The present application provides a feeding mechanism and a twin-screw extruder, belonging to the technical field of twin-screw extruders. The feeding mechanism includes a feeding assembly. The feeding assembly includes a feed pipe, a first motor, a rotating sleeve, a second motor and a stirring rod, and the top of the stirring rod is fixedly connected to the output end of the second motor. When in use, the material is poured into the inside of the feed pipe, and then the second motor drives the stirring rod to rotate, and then the first motor drives the rotating sleeve to rotate, and then drives the second motor and the stirring rod to rotate along the edge inside the feed pipe. The rotating stirring rod will stir and break up the material inside the feed pipe, so that the inside of the feed pipe is not easy to be blocked, and the material inside the feed pipe will enter the inside of the twin-screw extruder. The material is not easy to be blocked inside the feed pipe, so that the feeding efficiency of the feed pipe can be guaranteed, and the working efficiency of the twin-screw extruder can be improved.

Description

Technical Field

[0001] The present application relates to the field of twin-screw extruders, and in particular to a feeding mechanism and a twin-screw extruder. Background Art

[0002] The twin-screw extruder is developed on the basis of the single-screw extruder and has been widely used in the molding processing of extruded products. It has good feeding performance, mixing and plasticizing performance, extrusion stability and other characteristics. During the operation of the twin-screw extruder, the material enters the extruder from the feed barrel connected to the extruder. However, due to the influence of factors such as the dead weight and the pressure of the upper material inside the feed barrel, the material is prone to blockage inside the feed barrel, which will affect the feeding efficiency and reduce the working efficiency of the twin-screw extruder. Utility Model Content

[0003] In order to remedy the above deficiencies, the present application provides a feeding mechanism and a twin-screw extruder, which aim to improve the problem that materials are easily blocked inside the feed barrel, thereby affecting the feeding efficiency and reducing the working efficiency of the twin-screw extruder.

[0004] An embodiment of the present application provides a feeding mechanism, including a feeding assembly.

[0005] The feeding assembly includes a feeding pipe, a first motor, a rotating sleeve, a second motor and a stirring rod, the first motor is connected to the feeding pipe, the rotating sleeve is rotatably connected to the top end of the feeding pipe, the rotating sleeve is transmission-connected to the output end of the first motor, the second motor is connected to the rotating sleeve, the top end of the stirring rod is fixedly connected to the output end of the second motor, and the stirring rod rotates inside the feeding pipe.

[0006] In a specific embodiment, the body of the first motor is provided with a base, and the base is fixedly connected to the outer wall of the feed pipe.

[0007] In a specific implementation, the outer wall fixed sleeve of the rotating sleeve is provided with a spur gear ring, the output end of the first motor is provided with a first spur gear, and the spur gear ring is meshed with the first spur gear.

[0008] In a specific embodiment, a connecting plate is fixedly provided on the top wall of the rotating sleeve, and the second motor is fixedly connected to the upper surface of the connecting plate.

[0009] In a specific embodiment, the top end of the stirring rod rotates and penetrates the plate body of the connecting plate, and the rod body of the stirring rod is rotationally connected to the plate body of the connecting plate.

[0010] In a specific embodiment, the stirring rod is located at the edge of the inside of the feeding tube.

[0011] The embodiment of the present application further provides a twin-screw extruder, including the above-mentioned feeding mechanism and a twin-screw extruder, wherein the twin-screw extruder includes a third motor, a transmission chamber, a barrel, a first screw, a second screw and an electric heating roller, wherein the third motor is fixedly connected to one side of the transmission chamber, the barrel is fixedly connected to the other side of the transmission chamber, the bottom end of the feed pipe is connected to the interior of the barrel, the rod body of the first screw is rotatably connected to the interior of the barrel, the rod body of the first screw is rotatably passed through the transmission chamber, one end of the first screw is fixedly connected to the output end of the third motor, the second screw is rotatably connected to the interior of the barrel, the second screw is meshed with the first screw, one end of the second screw is rotatably plugged into the interior of the transmission chamber, the second screw is transmission-connected to the first screw, two electric heating rollers are provided, the two electric heating rollers are rotatably plugged into the interior of the first screw and the second screw respectively, and the connection terminals of the two electric heating rollers are fixedly passed through one end of the barrel.

[0012] In a specific embodiment, the rod body fixing sleeve of the first screw rod is provided with a second spur gear, and the rod body fixing sleeve of the second screw rod is provided with a third spur gear, the third spur gear is meshed with the second spur gear, and the second spur gear and the third spur gear are both located inside the transmission chamber.

[0013] The beneficial effect of the utility model is as follows: the utility model obtains a feeding mechanism through the above design. When in use, the material is poured into the feed pipe, and then the second motor drives the stirring rod to rotate, and then the first motor drives the rotating sleeve to rotate, thereby driving the second motor and the stirring rod to rotate along the edge of the inside of the feed pipe, and the rotating stirring rod will stir and disperse the material inside the feed pipe, thereby making it difficult for the inside of the feed pipe to be blocked, and the material inside the feed pipe will enter the inside of the twin-screw extruder, and the material inside the feed pipe is not easy to be blocked, thereby ensuring the feeding efficiency of the feed pipe, thereby improving the working efficiency of the twin-screw extruder. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] In order to more clearly illustrate the technical solutions of the implementation methods of the present application, the drawings required for use in the implementation methods will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the present application and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other related drawings can be obtained based on these drawings without paying creative work.

[0015] Figure 1 It is a first-view structural schematic diagram of a feeding mechanism and a twin-screw extruder provided in an embodiment of the present application;

[0016] Figure 2 A schematic diagram of the feeding mechanism and the twin-screw extruder from a second perspective provided in an embodiment of the present application;

[0017] Figure 3 A schematic diagram of the structure of a feeding assembly provided in an embodiment of the present application;

[0018] Figure 4 A schematic diagram of the cross-sectional structure of a feed pipe provided in an embodiment of the present application;

[0019] Figure 5 This is a schematic diagram of the cross-sectional structure of a twin-screw extruder provided in an embodiment of the present application.

[0020] In the figure: 100-feeding assembly; 110-feeding pipe; 120-first motor; 121-machine base; 122-first spur gear; 130-rotating sleeve; 131-spur ring; 132-connecting plate; 140-second motor; 150-stirring rod; 300-twin-screw extruder; 310-third motor; 320-transmission chamber; 330-barrel; 331-discharging head; 340-first screw; 341-second spur gear; 350-second screw; 351-third spur gear; 360-electric heating roller; 370-temperature control switch; 380-control panel. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the present application will be described below in conjunction with the drawings in the embodiments of the present application.

[0022] In order to make the purpose, technical solutions and advantages of the implementation methods of this application clearer, the technical solutions in the implementation methods of this application will be clearly and completely described below in conjunction with the drawings in the implementation methods of this application. Obviously, the described implementation methods are part of the implementation methods of this application, not all of the implementation methods. Based on the implementation methods in this application, all other implementation methods obtained by ordinary technicians in this field without creative work are within the scope of protection of this application.

[0023] See also Figure 1 The present application provides a feeding mechanism, including a feeding component 100.

[0024] See also Figure 1-4The feeding assembly 100 includes a feeding pipe 110, a first motor 120, a rotating sleeve 130, a second motor 140 and a stirring rod 150. The first motor 120 is connected to the feeding pipe 110. The body of the first motor 120 is provided with a base 121. The base 121 is fixedly connected to the outer wall of the feeding pipe 110. The rotating sleeve 130 is rotatably sleeved on the top of the feeding pipe 110. The rotating sleeve 130 is transmission-connected to the output end of the first motor 120. The outer wall of the rotating sleeve 130 is fixedly sleeved with a spur gear ring 131. The output end of the first motor 120 is provided with a first spur gear 122, and the spur gear ring 131 is meshed with the first spur gear 122.

[0025] In the present application, the second motor 140 is connected to the rotating sleeve 130, and a connecting plate 132 is fixedly provided on the top wall of the rotating sleeve 130. The connecting plate 132 rotates above the feeding pipe 110. The second motor 140 is fixedly connected to the upper surface of the connecting plate 132. The top end of the stirring rod 150 is fixedly connected to the output end of the second motor 140. The top end of the stirring rod 150 rotates through the plate body of the connecting plate 132. The rod body of the stirring rod 150 is rotatably connected to the plate body of the connecting plate 132. The stirring rod 150 rotates inside the feeding pipe 110. The stirring rod 150 is located at the edge inside the feeding pipe 110. The stirring rod 150 can rotate around the edge inside the feeding pipe 110 while rotating itself.

[0026] See also Figure 1 , 2 and 5. The present application further provides a twin-screw extruder, including the above-mentioned feeding mechanism and a twin-screw extruder 300, the twin-screw extruder 300 including a third motor 310, a transmission chamber 320, a barrel 330, a first screw 340, a second screw 350 and an electric heating roller 360, the third motor 310 is fixedly connected to one side of the transmission chamber 320, the barrel 330 is fixedly connected to the other side of the transmission chamber 320, a discharge head 331 is provided at one end of the barrel 330, and the bottom end of the feed pipe 110 is connected to the interior of the barrel 330.

[0027] In the specific setting, the rod body of the first screw 340 is rotatably connected to the inside of the barrel 330, the rod body of the first screw 340 is rotatably passed through the transmission chamber 320, one end of the first screw 340 is fixedly connected to the output end of the third motor 310, the second screw 350 is rotatably connected to the inside of the barrel 330, the second screw 350 and the first screw 340 are meshed with each other, one end of the second screw 350 is rotatably inserted into the inside of the transmission chamber 320, the second screw 350 is transmission-connected to the first screw 340, the rod body of the first screw 340 is fixedly sleeved with a second spur gear 341, the rod body of the second screw 350 is fixedly sleeved with a third spur gear 351, the third spur gear 351 is meshed with the second spur gear 341, and the second spur gear 341 and the third spur gear 351 are both located inside the transmission chamber 320.

[0028] In this embodiment, two electric heating rollers 360 are provided, and the two electric heating rollers 360 are rotatably inserted into the inside of the first screw 340 and the second screw 350 respectively. The first screw 340 and the second screw 350 are sleeved on the outside of the electric heating roller 360. The first screw 340 and the second screw 350 can rotate outside the electric heating roller 360, and the connection terminals of the two electric heating rollers 360 are fixed and pass through one end of the barrel 330.

[0029] In the present application, a temperature control switch 370 is provided on the top of the barrel 330, the temperature measuring end of the temperature control switch 370 is fixedly plugged into the inside of the barrel 330, the connection terminals of the two electric heating rollers 360 are electrically connected to the temperature control switch 370, and a control panel 380 is provided on one side of the temperature control switch 370, and the first motor 120, the second motor 140, the third motor 310 and the temperature control switch 370 are all electrically connected to the control panel 380.

[0030] Specifically, the feeding mechanism and the working principle of the twin-screw extruder are as follows: when in use, the material is poured into the feed pipe 110, and then the second motor 140 is turned on to drive the stirring rod 150 to rotate, and then the first motor 120 is turned on, the first motor 120 drives the rotating sleeve 130 to rotate, and the rotating sleeve 130 drives the connecting plate 132 to rotate, and then drives the second motor 140 and the stirring rod 150 to rotate along the edge of the feed pipe 110, and the rotating stirring rod 150 will stir and disperse the material in the feed pipe 110, so that the feed pipe 110 is not easily blocked, and the material in the feed pipe 110 will enter the barrel 330, and then the temperature control switch 370 detects the temperature of the barrel 330. 30, when the temperature inside the barrel 330 is lower than the set value, the temperature control switch 370 is closed to supply power to the two electric heating rollers 360, and the two electric heating rollers 360 are powered on to work, thereby heating the first screw 340 and the second screw 350, and then heating the inside of the barrel 330, and then turning on the third motor 310 to drive the first screw 340 to rotate. While the first screw 340 rotates, it will drive the second screw 350 to rotate through the second spur gear 341 and the third spur gear 351, and then extrude the material. The material is not easy to be blocked inside the feed pipe 110, thereby ensuring the feeding efficiency of the feed pipe 110, and thereby improving the working efficiency of the twin-screw extruder 300.

[0031] It should be noted that the specific models and specifications of the first motor 120, the second motor 140, the third motor 310, the electric heating roller 360, the temperature control switch 370 and the control panel 380 need to be selected and determined according to the actual specifications of the device. The specific selection calculation method adopts the existing technology in the field, so it will not be described in detail.

[0032] The power supply and principles of the first motor 120 , the second motor 140 , the third motor 310 , the electric heating roller 360 , the temperature control switch 370 and the control panel 380 are clear to those skilled in the art and will not be described in detail herein.

[0033] The above description is only an embodiment of the present application and is not intended to limit the scope of protection of the present application. For those skilled in the art, the present application may have various changes and variations. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present application should be included in the scope of protection of the present application. It should be noted that similar reference numerals and letters represent similar items in the following drawings, so once an item is defined in one drawing, it does not need to be further defined and explained in the subsequent drawings.

[0034] The above is only a specific implementation of the present application, but the protection scope of the present application is not limited thereto. Any technician familiar with the technical field can easily think of changes or substitutions within the technical scope disclosed in the present application, which should be included in the protection scope of the present application. Therefore, the protection scope of the present application should be based on the protection scope of the claims.

Claims

1. A feeding mechanism, characterized in that: include A feeding assembly (100), the feeding assembly (100) comprising a feeding pipe (110), a first motor (120), a rotating sleeve (130), a second motor (140) and a stirring rod (150), the first motor (120) being connected to the feeding pipe (110), the rotating sleeve (130) being rotatably sleeved on the top end of the feeding pipe (110), the rotating sleeve (130) being transmission-connected to the output end of the first motor (120), the second motor (140) being connected to the rotating sleeve (130), the top end of the stirring rod (150) being fixedly connected to the output end of the second motor (140), and the stirring rod (150) rotating inside the feeding pipe (110).

2. A feeding mechanism according to claim 1, characterized in that: The body of the first motor (120) is provided with a base (121), and the base (121) is fixedly connected to the outer wall of the feed pipe (110).

3. A feeding mechanism according to claim 1, characterized in that: The outer wall fixed sleeve of the rotating sleeve (130) is provided with a spur gear ring (131), and the output end of the first motor (120) is provided with a first spur gear (122), and the spur gear ring (131) is meshed with the first spur gear (122).

4. A feeding mechanism according to claim 3, characterized in that: A connecting plate (132) is fixedly provided on the top wall of the rotating sleeve (130), and the second motor (140) is fixedly connected to the upper surface of the connecting plate (132).

5. A feeding mechanism according to claim 4, characterized in that: The top end of the stirring rod (150) is rotatably inserted into the plate body of the connecting plate (132), and the rod body of the stirring rod (150) is rotatably connected to the plate body of the connecting plate (132).

6. A feeding mechanism according to claim 1, characterized in that: The stirring rod (150) is located at the inner edge of the feeding tube (110).

7. A twin-screw extruder, characterized in that: The feeding mechanism comprises any one of claims 1 to 6, and A twin-screw extruder (300), the twin-screw extruder (300) comprising a third motor (310), a transmission chamber (320), a barrel (330), a first screw (340), a second screw (350) and an electric heating roller (360), the third motor (310) being fixedly connected to one side of the transmission chamber (320), the barrel (330) being fixedly connected to the other side of the transmission chamber (320), the bottom end of the feed pipe (110) being connected to the inside of the barrel (330), the rod body of the first screw (340) being rotatably connected to the inside of the barrel (330), the rod body of the first screw (340) being rotatably connected to the inside of the barrel (330), the rod body of the first screw (340) being rotatably passed through the transmission chamber (320), the first screw (340) 0) is fixedly connected to the output end of the third motor (310), the second screw (350) is rotatably connected to the inside of the barrel (330), the second screw (350) and the first screw (340) are meshed with each other, one end of the second screw (350) is rotatably plugged into the inside of the transmission chamber (320), the second screw (350) is transmission-connected to the first screw (340), two electric heating rollers (360) are provided, the two electric heating rollers (360) are rotatably plugged into the inside of the first screw (340) and the second screw (350), and the connection terminals of the two electric heating rollers (360) are fixedly passed through one end of the barrel (330).

8. A twin-screw extruder according to claim 7, characterized in that: The rod body fixing sleeve of the first screw rod (340) is provided with a second spur gear (341), and the rod body fixing sleeve of the second screw rod (350) is provided with a third spur gear (351), the third spur gear (351) is meshed with the second spur gear (341), and the second spur gear (341) and the third spur gear (351) are both located inside the transmission chamber (320).

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