Rolling type pelletizing mechanism suitable for double-screw extruder

Abstract

The utility model relates to the technical field of twin-screw extruders, in particular to a rolling type pelletizing mechanism suitable for a twin-screw extruder, which comprises a box body, a water storage tank is arranged in the box body, a material tank is arranged in the box body on one side of the water storage tank, a driving component is arranged in the material tank, and the driving component is connected with the water storage tank. The driving assembly comprises a frame located in the trough, an auxiliary wheel is rotationally connected to the interior of the frame through a shaft rod, a concave core wheel is rotationally connected to the interior, located at one end of the auxiliary wheel, of the frame through a shaft rod, and a gear motor is installed on one side of the frame through an installation frame; a pelletizing assembly is arranged at the top of the box body, and the pelletizing assembly comprises a portal frame fixed through bolts; the gear motor drives the concave core wheel to rotate and pushes the long-strip-shaped materials to move, the adjusting screw rod is rotated to push the rotating wheel to move downwards, one ends of the materials are pressed on the auxiliary wheel, the servo motor is started to push the rotating wheel to rotate, and the long-strip-shaped materials are cut into particles through the cutting knife.

Description

TECHNICAL FIELD

[0001] The utility model relates to double screw extruder technical field, concretely relates to a kind of rolling type granulating mechanism suitable for double screw extruder. BACKGROUND

[0002] Double screw extruder is developed on the basis of single screw extruder, and has been widely applied in the forming processing of extruded products due to good feeding performance, mixing plasticizing performance, exhaust performance, extrusion stability and other characteristics, double screw extruder is composed of transmission device, feeding device, barrel and screw and other parts.

[0003] Currently, after double screw extruder extrudes material, it needs to be cooled, and then the extruded material is cut into granular by adding granulator, but the existing granulating mechanism for double screw extruder does not have driving structure and cannot move long strip material. Therefore, a rolling type granulating mechanism suitable for double screw extruder is proposed, which drives the hollow core wheel to move long strip material by a reduction motor, and rotates the rotating wheel and the cutting knife outside the rotating wheel by a servo motor to cut the material. SUMMARY

[0004] In view of the problems in the prior art, the utility model provides a rolling type granulating mechanism suitable for double screw extruder, which drives the hollow core wheel to move long strip material by a reduction motor, and rotates the rotating wheel and the cutting knife outside the rotating wheel by a servo motor to cut the material.

[0005] The utility model solves the technical problems and adopts the technical scheme of a rolling type granulating mechanism suitable for double screw extruder, which comprises a box body, a water storage groove is formed in the inside of the box body, a material groove is formed in the inside of the box body on one side of the water storage groove, a driving assembly is arranged in the inside of the material groove, the driving assembly comprises a frame arranged in the inside of the material groove, an auxiliary wheel is rotatably connected to the inside of the frame through a shaft rod, a hollow core wheel is rotatably connected to the inside of the frame on one end of the auxiliary wheel through a shaft rod, a reduction motor is mounted on one side of the frame through a mounting bracket;

[0006] A granulating assembly is arranged on the top of the box body, the granulating assembly comprises a gantry frame fixed by bolts, an adjusting screw is penetrated and sleeved on the top of the gantry frame through a threaded groove, a structure frame is rotatably connected to the bottom end of the adjusting screw in the inside of the gantry frame through a bearing, a rotating wheel is rotatably connected to the inside of the structure frame through a shaft rod, cutting knives are equidistantly welded on the outside of the rotating wheel, a servo motor is mounted on one side of the structure frame through a mounting bracket.

[0007] By adopting the above technical scheme, the deceleration motor drives the concave core wheel to rotate, pushes the long strip material to move, drives the rotating wheel to move downward through the rotating adjusting screw, presses one end of the material on the auxiliary wheel, opens the servo motor to drive the rotating wheel to rotate, and cuts the long strip material into granular shape through the cutting knife.

[0008] Specifically, the frame is welded with a side plate at one end, and the side plate is fixed at both ends in the trough through bolts.

[0009] Specifically, the servo motor is connected with the rotating wheel rotating shaft through the connecting sleeve on one side of the output shaft, and the deceleration motor is connected with the concave core wheel rotating shaft through the connecting sleeve on one side of the output shaft.

[0010] Specifically, the auxiliary rod is connected to the top of the structure frame through the threaded groove at one end, and the auxiliary rod penetrates the gantry.

[0011] Specifically, the trough is fixed with a guide bottom plate at the bottom through bolts, and the box is provided with a discharge chute at one end.

[0012] The beneficial effects of the utility model are as follows:

[0013] The rolling type pelletizing mechanism suitable for the double screw extruder disclosed by the utility model makes the rotating wheel move downward through the rotating adjusting screw, presses the long strip material on the auxiliary wheel, opens the servo motor to drive the rotating wheel to rotate, and cuts the long strip material into granular shape through the rotating wheel.

[0014] The rolling type pelletizing mechanism suitable for the double screw extruder disclosed by the utility model winds the long strip material after cooling at one end outside the concave core wheel and places it on the auxiliary wheel, opens the deceleration motor to drive the auxiliary wheel to rotate, can drive the long strip material to move, and is convenient for pelletizing. DRAWINGS

[0015] The utility model is further illustrated below in combination with the drawings and examples.

[0016] Figure 1 It is the whole structure schematic view of the utility model;

[0017] Figure 2 It is the box section view of the utility model;

[0018] Figure 3 It is the driving assembly structure schematic view of the utility model;

[0019] Figure 4 It is the pelletizing assembly structure schematic view of the utility model;

[0020] In the figure: 1. Box body; 2. Drive assembly; 201. Frame; 202. Concave core wheel; 203. Auxiliary wheel; 204. Reducer motor; 205. Side plate; 3. Pelletizing assembly; 301. Gantry; 302. Adjusting screw; 303. Structural frame; 304. Rotating wheel; 305. Cutting knife; 306. Servo motor; 307. Auxiliary rod; 4. Water tank; 5. Material trough; 6. Material guide bottom plate; 7. Discharge trough. DETAILED DESCRIPTION

[0021] In order to make the technical means, creative features, objectives and effects achieved by the present invention easier to understand, the present invention is further described below in conjunction with specific implementation methods.

[0022] The concave core wheel is driven by the reduction motor to push the long strip material to move, and the rotating wheel and the cutting knife on its outer side are driven by the servo motor to rotate to perform pelletizing. Figures 1-4 As shown, the present invention is a rolling pelletizing mechanism suitable for a twin-screw extruder, comprising a box body 1, a water storage tank 4 is provided inside the box body 1, a material trough 5 is provided inside the box body 1 on one side of the water storage tank 4, a driving assembly 2 is provided inside the material trough 5, and the driving assembly 2 comprises a frame 201 located inside the material trough 5, an auxiliary wheel 203 is rotatably connected to the frame 201 inside via a shaft, a concave core wheel 202 is rotatably connected to the frame 201 at one end of the auxiliary wheel 203 via a shaft, and a reduction motor 204 is mounted on one side of the frame 201 via a mounting bracket;

[0023] A pelletizing assembly 3 is provided on the top of the box body 1. The pelletizing assembly 3 includes a gantry 301 fixed by bolts. An adjusting screw 302 is sleeved through the top of the gantry 301 through a threaded groove. The adjusting screw 302 is located inside the gantry 301 and is rotatably connected to a structural frame 303 through a bearing. A rotating wheel 304 is rotatably connected to the inside of the structural frame 303 through an axis. Cutting knives 305 are equidistantly welded to the outside of the rotating wheel 304. A servo motor 306 is installed on one side of the structural frame 303 through a mounting frame.

[0024] During use, the reduction motor 204 drives the concave core wheel 202 to rotate, pushing the long strip material to move, rotating the adjusting screw 302 to push the rotating wheel 304 downward, pressing one end of the material onto the auxiliary wheel 203, turning on the servo motor 306 to push the rotating wheel 304 to rotate, and the cutting knife 305 cuts the long strip material into granules.

[0025] For example, Figure 3 As shown, the present invention further includes: a side plate 205 is welded to one end of the frame 201 , and both ends of the side plate 205 are fixed to the inside of the trough 5 by bolts.

[0026] In use, the frame 201 can be fixed in the trough 5 through the side plate 205 by bolts.

[0027] As shown in Figure 3 , Figure 4 the utility model also includes, one side output shaft of servo motor 306 is connected with the rotation axis of rotating wheel 304 through the connecting sleeve, one side output shaft of speed reducer 204 is connected with the rotation axis of concave core wheel 202 through the connecting sleeve.

[0028] In use, the speed reducer 204 is used to drive the concave core wheel 202 to rotate, and the servo motor 306 is used to drive the rotating wheel 304 to rotate.

[0029] As shown in Figure 4 the utility model also includes, one end of the top of structure frame 303 is connected with auxiliary rod 307 through screw groove, and auxiliary rod 307 penetrates through gantry 301.

[0030] In use, the auxiliary rod 307 is used to limit the structure frame 303, to prevent it from rotating with the adjusting screw rod 302.

[0031] As shown in Figure 2 the utility model also includes, the bottom of trough 5 is fixed with guide bottom plate 6 through bolts, and one end of box 1 is provided with discharge chute 7.

[0032] In use, the guide bottom plate 6 guides the granular material falling into the trough 5 to the discharge chute 7, so that it flows out through the discharge chute 7.

[0033] In use, the personnel are installed at the discharge end of the double-screw extruder through the box 1, the device is connected with the external power supply through the power cord, the clean water is poured into the water storage tank 4, the long strip material extruded by the double-screw extruder is pulled out and naturally droops, and is immersed in the clean water in the water storage tank 4 to cool, then one end of the long strip material is wound outside the concave core wheel 202 and placed on the auxiliary wheel 203.

[0034] The speed reducer 204 is opened to drive the concave core wheel 202 to rotate, so as to push the long strip material to move, the adjusting screw rod 302 is rotated to make the rotating wheel 304 move downward, the long strip material is pressed on the auxiliary wheel 203, the servo motor 306 is opened to drive the rotating wheel 304 to rotate, and the rotating wheel 304 rotates to cut the long strip material through the cutting knife 305, so that the long strip material is cut into granular material.

[0035] The granular material falls into the trough 5, and is guided to flow out through the discharge chute 7 by the guide bottom plate 6, and the auxiliary rod 307 can move up and down on the structure frame 303 while preventing it from rotating with the adjusting screw rod 302.

[0036] The basic principle, main features and advantages of the present application are shown and described above. Those skilled in the art should understand that the present application is not limited by the above embodiments, and the above embodiments and descriptions in the specification are only to illustrate the principles of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the present application. The scope of protection of the present application is defined by the appended claims and their equivalents.

Claims

1. A rolling pelletizing mechanism suitable for a twin-screw extruder, characterized in that: The invention comprises a box body (1), wherein a water storage tank (4) is provided inside the box body (1), a material tank (5) is provided inside the box body (1) at one side of the water storage tank (4), a driving assembly (2) is provided inside the material tank (5), the driving assembly (2) comprises a frame (201) located inside the material tank (5), an auxiliary wheel (203) is rotatably connected to the frame (201) inside via a shaft, a concave core wheel (202) is rotatably connected to the frame (201) at one end of the auxiliary wheel (203), and a reduction motor (204) is mounted on one side of the frame (201) via a mounting frame; A pelletizing assembly (3) is provided on the top of the box body (1), and the pelletizing assembly (3) includes a gantry (301) fixed by bolts, an adjusting screw (302) is provided on the top of the gantry (301) through a threaded groove, the adjusting screw (302) is located inside the gantry (301) and is rotatably connected to a structural frame (303) through a bearing, the structural frame (303) is internally rotatably connected to a rotating wheel (304) through a shaft, and cutting knives (305) are equidistantly welded to the outside of the rotating wheel (304), and a servo motor (306) is mounted on one side of the structural frame (303) through a mounting frame.

2. A rolling pelletizing mechanism suitable for a twin-screw extruder according to claim 1, characterized in that: A side plate (205) is welded to one end of the frame (201), and both ends of the side plate (205) are fixed to the inside of the trough (5) by bolts.

3. A rolling pelletizing mechanism suitable for a twin-screw extruder according to claim 1, characterized in that: An output shaft on one side of the servo motor (306) is connected to the rotating shaft of the rotating wheel (304) via a connecting sleeve, and an output shaft on one side of the reduction motor (204) is connected to the rotating shaft of the concave core wheel (202) via a connecting sleeve.

4. A rolling pelletizing mechanism suitable for a twin-screw extruder according to claim 1, characterized in that: One end of the top of the structural frame (303) is connected to an auxiliary rod (307) via a threaded groove, and the auxiliary rod (307) passes through the gantry (301).

5. The rolling pelletizing mechanism suitable for a twin-screw extruder according to claim 1, characterized in that: A material guide bottom plate (6) is fixed to the bottom of the material trough (5) by bolts, and a material discharge trough (7) is provided at one end of the box body (1).

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