Extruder screw cleaning device

Abstract

The utility model belongs to the technical field of extruder screws, in particular to an extruder screw cleaning device which comprises a frame and a single screw, a fixing mechanism is arranged on the outer surface of the frame and comprises a fixing arc plate, and the single screw is fixed through relative movement of the fixing arc plate. A filter screen on the water storage tank filters the cleaning water after cleaning the single screw, bristles of a brush plate make contact with the single screw, when the single screw rotates, the brush plate cleans dirt on the single screw, a supporting plate is fixed to a water pump, the supporting plate is fixed to the water pump, and the water inlet end of the water pump sucks the cleaning water into the water storage tank fixedly communicated with the supporting plate through a pipeline; the cleaning water is conveyed into the support plate fixedly communicated with the water outlet end through a pipeline and then conveyed into the spray head fixedly communicated with the support plate, so that the single screw is cleaned, and the cleaning water is sprayed on the single screw through the spray head and is matched with the brush plate to clean the single screw.

Description

TECHNICAL FIELD

[0001] The utility model relates to extruder screw technical field especially relates to a kind of extruder screw cleaning device. BACKGROUND

[0002] Extruder is one of the commonly used equipment in polymer alloy blending, PVC pipe, food and pharmaceutical production industry, and extruder mainly relies on the pressure and shear force generated by the rotation of screw, so that material can be fully plasticized and uniformly mixed.

[0003] The Chinese patent with the authorization announcement No.CN215434910U discloses a kind of cleaning device specially used for extruder screw, including screw stepping part, heating temperature control component and cleaning component;The screw stepping part includes symmetrically arranged left mechanism and right mechanism, the left mechanism and right mechanism all include several support frames I arranged in parallel front and back, rotating shaft is rotatably connected between the support frame I located at head and tail, several rollers are sleeved on the rotating shaft, thread groove is formed on the rim of each roller, the utility model has simple structure, through screw stepping part, screw production horizontal displacement can be realized, and in turn through heating temperature control component and cleaning component, cleaning efficiency is high, artificial use rate is reduced, cleaning effect is good, effectively solve the brittle change and deformation of screw in the process of heating, improve the service life of screw.

[0004] But the above scheme when cleaning extruder screw, through heating component and copper brush to clean screw, cannot effectively remove grease, resin and other dirt, leading to incomplete cleaning, and through roller extrusion to fix screw, the contact point of roller and screw can be worn, leading to roller failure or frequent replacement, so a kind of extruder screw cleaning device is proposed to solve the above problems. UTILITY MODEL CONTENTS

[0005] To solve the technical problems that, when cleaning extruder screw, through heating component and copper brush to clean screw, cannot effectively remove grease and other dirt, leading to incomplete cleaning, and through roller extrusion to fix screw, the contact point of the two can be worn, leading to frequent replacement, the present application provides a kind of extruder screw cleaning device.

[0006] The utility model provides a kind of extruder screw cleaning device, including frame and single screw, the outer surface of the frame is provided with fixed mechanism, the fixed mechanism includes fixed arc plate, the relative movement of the fixed arc plate is fixed to the single screw.

[0007] The outer surface of the frame is provided with cleaning mechanism, the cleaning mechanism includes water pump, the suction of the water pump transports the cleaning water.

[0008] Preferably, the fixing mechanism further comprises a fixing ring fixedly installed on the upper surface of the frame, the inner wall of the fixing ring is rotationally connected with a rotating frame, the outer surface of the frame is fixedly installed with a motor, and the output shaft of the motor is fixedly installed with the outer surface of the rotating frame.

[0009] Through the above technical scheme, the fixing ring and the frame are fixedly installed, and the rotating frame is rotationally connected with the fixing ring, so that the rotating frame is fixed while the rotation is not affected, the frame is fixedly installed with the motor, and the motor is fixedly installed with the rotating frame, so as to drive the rotation of the single screw fixed.

[0010] Preferably, the inner wall of the rotating frame is fixedly installed with a support ring, the outer surface of the support ring is slidably sleeved with a lifting ring, the outer surface of the lifting ring is rotationally connected with a support rod, and the recessed groove inner wall of the support rod is rotationally connected with a support frame.

[0011] Through the above technical scheme, the rotating frame and the support ring are fixedly installed, the support ring and the lifting ring are slidably sleeved, the lifting ring is not affected while being fixed, the lifting ring and the support rod are rotationally connected, the deflection of the support rod does not affect the lifting ring, and the support rod and the support frame are rotationally connected, so that the deflection of the support frame makes the lifting ring ascend and descend on the support ring in the sliding sleeve.

[0012] Preferably, the support frame is rotationally connected in the recessed groove inner wall of the rotating frame, the outer surface of the support frame is rotationally connected with a connecting rod, the recessed groove inner wall of the connecting rod is rotationally connected with the outer surface of the fixed arc plate, and the outer surface of the fixed arc plate is slidably connected with the recessed groove inner wall of the rotating frame.

[0013] Through the above technical scheme, the support frame and the rotating frame are rotationally connected, the support frame and the connecting rod are rotationally connected, the connecting rod and the fixed arc plate are rotationally connected, the deflection of the connecting rod does not affect the fixed arc plate, and the fixed arc plate and the rotating frame are slidably connected, so that the deflection of the support frame drives the fixed arc plate to move in the sliding connection of the rotating frame, so as to fix the single screw.

[0014] Preferably, the inner wall of the fixed arc plate and the inner wall of the support ring are fixedly installed with a rubber layer, the inner wall of the rotating frame is fixedly installed with a hydraulic cylinder, the recessed groove inner wall of the hydraulic cylinder is rotationally connected with one end of the support frame, and the piston rod of the hydraulic cylinder is rotationally connected with one end of the other support frame.

[0015] Through the technical scheme, the rubber layer is arranged on the inner wall of the fixed arc plate and the supporting ring, the rubber layer can increase the friction between the single screw and the fixed arc plate, and the fixed effect of the single screw is improved; the hydraulic cylinder is fixedly arranged on the rotating frame, the single screw is fixed, the hydraulic cylinder is rotatably connected with one supporting frame, the single screw is fixed and the deflection of the supporting frame is not affected, the one end of the piston rod of the hydraulic cylinder is rotatably connected with the other supporting frame, the supporting frame is deflected by the extension and retraction of the piston rod of the hydraulic cylinder, the deflection of the supporting frame drives the lifting ring rotatably connected with the supporting rod to ascend and descend on the supporting ring in sliding connection, the other end of the supporting rod is rotatably connected with the other supporting frame, the other supporting frame is deflected by the deflection of the supporting rod, the deflection of the other supporting frame drives the supporting frame rotatably connected with the connecting rod to move relatively on the rotating frame in sliding connection, and the single screw is fixed.

[0016] Preferably, the cleaning mechanism further comprises a water storage tank with a filter screen, the water storage tank is fixedly installed on the outer surface of the frame, the outer surface of the frame is fixedly installed with a brush plate, the outer surface of the frame is fixedly installed with a supporting plate, and the lower surface of the supporting plate is fixedly communicated with a spray head.

[0017] Through the technical scheme, the water storage tank is fixedly installed on the frame, the single screw is fixed, the filter screen on the water storage tank filters the cleaning water after cleaning the single screw, so that the cleaning water can be recycled, the frame is fixedly installed with the brush plate, the bristles of the brush plate contact the single screw, and the brush plate cleans the dirt on the single screw when the single screw rotates, the frame is fixedly installed with the supporting plate, the single screw is fixed, and the supporting plate is fixedly communicated with the spray head, so that the cleaning water is sprayed on the single screw through the spray head and the single screw is cleaned together with the brush plate.

[0018] Preferably, a water pump is fixedly installed on the upper surface of the supporting plate, the water inlet end of the water pump is fixedly connected with the outer surface of the water storage tank through a pipeline, and the water outlet end of the water pump is fixedly communicated with the upper surface of the supporting plate through a pipeline.

[0019] Through the technical scheme, the water pump is fixed on the supporting plate, the water inlet end of the water pump sucks the cleaning water from the fixedly communicated water storage tank through the pipeline, the cleaning water is transported into the supporting plate through the fixedly communicated pipeline at the water outlet end of the water pump, and then the cleaning water is transported into the fixedly communicated spray head through the supporting plate, so that the single screw is cleaned.

[0020] The beneficial effects of the utility model are as follows:

[0021] 1. By setting the fixed mechanism, the single screw is fixed, the motor drives the rotating frame to rotate, the hydraulic cylinder is rotatably connected with a support frame, and the single screw is fixed without affecting the deflection of the support frame, one end of the piston rod of the hydraulic cylinder is rotatably connected with another support frame, the extension and contraction of the piston rod of the hydraulic cylinder drives the support frame to deflect, the deflection of the support frame drives the lifting ring rotatably connected with the support rod to lift on the sliding sleeve connected support ring, the lifting of the support ring drives the support frame rotatably connected with the support rod to deflect, the deflection of the support frame drives the fixed arc plate rotatably connected with the connecting rod to move relatively on the sliding connection rotating frame, so as to fix the single screw, and solve the technical problem that the grease, resin and other dirt cannot be effectively removed when the extruder screw is cleaned by heating components and copper brushes.

[0022] 2. By setting the cleaning mechanism, the cleaning water is transported, the filter screen on the water storage tank filters the cleaning water after cleaning the single screw, the bristles of the brush plate contact the single screw, and the brush plate cleans the dirt on the single screw when the single screw rotates, the support plate is fixed with the water pump, the water inlet end of the water pump sucks the cleaning water through the pipeline fixedly communicated with the water storage tank, and the cleaning water is transported into the support plate through the pipeline fixedly communicated with the water outlet end, and then the cleaning water is transported into the nozzle fixedly communicated with the support plate, so that the single screw is cleaned, and the cleaning water is sprayed on the single screw through the nozzle, and the single screw is cleaned with the brush plate, so as to solve the technical problem that the roller is fixed by extruding the screw when the extruder screw is cleaned, and the contact point of the roller and the screw is worn, resulting in failure or frequent replacement of the roller. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 A schematic view of an extruder screw cleaning device is provided for the utility model;

[0024] Figure 2 A perspective view of a water pump structure of an extruder screw cleaning device is provided for the utility model;

[0025] Figure 3 A perspective view of a motor structure of an extruder screw cleaning device is provided for the utility model;

[0026] Figure 4 A perspective view of a support ring structure of an extruder screw cleaning device is provided for the utility model;

[0027] Figure 5 A perspective view of a hydraulic cylinder structure of an extruder screw cleaning device is provided for the utility model.

[0028] In the figure: 1, frame; 11, single screw; 2, fixed ring; 21, rotating frame; 22, motor; 3, support ring; 31, lifting ring; 32, support rod; 33, support frame; 4, connecting rod; 41, fixed arc plate; 5, rubber layer; 51, hydraulic cylinder; 6, water storage tank; 61, brush plate; 62, support plate; 63, spray head; 7, water pump. DETAILED DESCRIPTION

[0029] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments.

[0030] Referring to Figures 1-5 An extruder screw cleaning device, comprising a frame 1 and a single screw 11, the outer surface of the frame 1 is provided with a fixing mechanism, the fixing mechanism comprises a fixed arc plate 41, and the relative movement of the fixed arc plate 41 fixes the single screw 11.

[0031] In order to drive the rotating frame 21 to rotate, the fixing mechanism further comprises a fixed ring 2, the fixed ring 2 is fixedly installed on the upper surface of the frame 1, the inner wall of the fixed ring 2 is rotatably connected with the rotating frame 21, the outer surface of the frame 1 is fixedly installed with a motor 22, the output shaft of the motor 22 is fixedly installed with the outer surface of the rotating frame 21, the fixed ring 2 is fixedly installed with the frame 1, and the rotating frame 21 is fixed, the fixed ring 2 is rotatably connected with the rotating frame 21, and the rotating frame 21 is fixed while the rotating of the rotating frame 21 is not affected, the frame 1 is fixedly installed with the motor 22, and the motor 22 is fixed, the motor 22 is fixedly installed with the rotating frame 21, and the rotating of the motor 22 is driven, so as to drive the single screw 11 fixed to rotate.

[0032] In order to fix the lifting ring 31 while not affecting the lifting of the lifting ring 31, the inner wall of the rotating frame 21 is fixedly installed with a support ring 3, the outer surface of the support ring 3 is slidably sleeved with the lifting ring 31, the outer surface of the lifting ring 31 is rotatably connected with a support rod 32, the recess inner wall of the support rod 32 is rotatably connected with a support frame 33, the rotating frame 21 is fixedly installed with the support ring 3, and the support ring 3 is fixed, the support ring 3 is slidably sleeved with the lifting ring 31, and the lifting of the lifting ring 31 is not affected while the lifting ring 31 is fixed, the lifting ring 31 is rotatably connected with the support rod 32, the deflection of the support rod 32 does not affect the lifting ring 31, the support rod 32 is rotatably connected with the support frame 33, and the deflection of the support frame 33 is not affected while the support frame 33 is fixed, so that the deflection of the support frame 33 makes the lifting ring 31 lift on the slidably sleeved support ring 3 through the support rod 32.

[0033] In order to fix the single screw 11, the support frame 33 is rotationally connected to the inner wall of the groove of the rotating frame 21, the outer surface of the support frame 33 is rotationally connected with the connecting rod 4, the groove inner wall of the connecting rod 4 is rotationally connected with the outer surface of the fixed arc plate 41, the outer surface of the fixed arc plate 41 is slidingly connected with the groove inner wall of the rotating frame 21, through the rotational connection of the support frame 33 and the rotating frame 21, the single screw 11 is fixed without affecting the deflection, through the rotational connection of the support frame 33 and the connecting rod 4, the single screw 11 is fixed without affecting the deflection, through the rotational connection of the connecting rod 4 and the fixed arc plate 41, the deflection of the connecting rod 4 does not affect the fixed arc plate 41, through the sliding connection of the fixed arc plate 41 and the rotating frame 21, the single screw 11 is fixed without affecting the movement, so that the deflection of the support frame 33 drives the fixed arc plate 41 to move in the slidingly connected rotating frame 21 through the connecting rod 4, thereby fixing the single screw 11.

[0034] In order to increase the fixing effect of the fixed arc plate 41 on the single screw 11, the inner wall of the fixed arc plate 41 and the inner wall of the support ring 3 are both fixedly installed with a rubber layer 5, the inner wall of the rotating frame 21 is fixedly installed with a hydraulic cylinder 51, the groove inner wall of the hydraulic cylinder 51 is rotationally connected with one end of the support frame 33, the piston rod of the hydraulic cylinder 51 is rotationally connected with one end of the other support frame 33, through the installation of the rubber layer 5 on the inner wall of the fixed arc plate 41 and the support ring 3, the rubber layer 5 can increase the friction between the single screw 11 and the fixed arc plate 41, thereby increasing the fixing effect of the fixed arc plate 41 on the single screw 11, through the fixed installation of the hydraulic cylinder 51 and the rotating frame 21, the single screw 11 is fixed, through the rotational connection of the hydraulic cylinder 51 and the support frame 33, the single screw 11 is fixed without affecting the deflection of the support frame 33, through the rotational connection of the piston rod of the hydraulic cylinder 51 and the other support frame 33, the deflection of the support frame 33 is driven by the extension and contraction of the piston rod of the hydraulic cylinder 51, the deflection of the support frame 33 drives the lifting ring 31 rotationally connected with the support rod 32 to ascend and descend on the slidingly sleeved support ring 3, the lifting of the support ring 3 drives the deflection of the support frame 33 rotationally connected with the other support rod 32, the deflection of the support frame 33 drives the relative movement of the fixed arc plate 41 rotationally connected with the connecting rod 4 on the slidingly connected rotating frame 21, so as to fix the single screw 11.

[0035] The single screw 11 is fixed by the fixing mechanism, the motor 22 drives the rotating frame 21 to rotate, the hydraulic cylinder 51 is rotatably connected with one support frame 33, and the single screw 11 is fixed without affecting the deflection of the support frame 33. The other end of the piston rod of the hydraulic cylinder 51 is rotatably connected with the other support frame 33, and the deflection of the support frame 33 is driven by the extension and retraction of the piston rod of the hydraulic cylinder 51. The deflection of the support frame 33 drives the lifting ring 31 rotatably connected with the support rod 32 to ascend and descend on the support ring 3 in sliding sleeve connection. The deflection of the support ring 3 drives the support frame 33 rotatably connected with the support rod 32 on the other side to deflect. The deflection of the support frame 33 drives the fixed arc plate 41 rotatably connected with the connecting rod 4 to relatively move on the rotating frame 21 in sliding connection, so as to fix the single screw 11. The technical problem that grease, resin and other dirt cannot be effectively removed by heating components and copper brushes during cleaning of the extruder screw, resulting in incomplete cleaning, is solved.

[0036] In order to transport the cleaning water, the outer surface of the frame 1 is provided with a cleaning mechanism, which comprises a water pump 7. The suction of the water pump 7 transports the cleaning water.

[0037] In order to filter the cleaning water after cleaning the single screw 11, the cleaning mechanism further comprises a water storage tank 6 with a filter screen. The water storage tank 6 is fixedly installed on the outer surface of the frame 1. The frame 1 is fixedly installed with a brush plate 61 and a support plate 62. The lower surface of the support plate 62 is fixedly communicated with a spray head 63. The water storage tank 6 is fixedly installed on the frame 1. The filter screen on the water storage tank 6 filters the cleaning water after cleaning the single screw 11, so that the cleaning water can be recycled. The frame 1 is fixedly installed with the brush plate 61. The bristles of the brush plate 61 contact the single screw 11. When the single screw 11 rotates, the brush plate 61 cleans the dirt above. The frame 1 is fixedly installed with the support plate 62. The support plate 62 is fixedly communicated with the spray head 63, so that the cleaning water is sprayed on the single screw 11 through the spray head 63, and the single screw 11 is cleaned together with the brush plate 61.

[0038] In order to clean the single screw 11, the upper surface of the support plate 62 is fixedly installed with a water pump 7. The water inlet end of the water pump 7 is fixedly connected with the outer surface of the water storage tank 6 through a pipeline. The water outlet end of the water pump 7 is fixedly communicated with the upper surface of the support plate 62 through a pipeline. The support plate 62 is fixedly installed with the water pump 7. The water inlet end of the water pump 7 sucks the cleaning water from the fixedly communicated water storage tank 6, and transports the cleaning water to the support plate 62 fixedly communicated through the pipeline. The cleaning water is then transported to the spray head 63 fixedly communicated through the support plate 62, so as to clean the single screw 11.

[0039] The cleaning mechanism is arranged to convey the cleaning water, the filter screen on the water storage tank 6 filters the cleaning water after the single screw 11, the bristles of the brush plate 61 contact the single screw 11, when the single screw 11 rotates, the brush plate 61 cleans the dirt on the single screw 11, the support plate 62 is fixed with the water pump 7, the water inlet end of the water pump 7 sucks the cleaning water from the water storage tank 6 through the pipeline in fixed communication, and then the cleaning water is conveyed into the support plate 62 in fixed communication through the pipeline, and then the cleaning water is conveyed into the nozzle 63 in fixed communication through the support plate 62, so that the single screw 11 is cleaned, and the cleaning water is sprayed on the single screw 11 through the nozzle 63, and the single screw 11 is cleaned in cooperation with the brush plate 61, thereby solving the technical problem that the contact points between the roller and the screw are abraded when the screw of the extruder is cleaned by fixing the screw through extrusion of the roller.

[0040] Working principle: when the single screw 11 needs to be fixed, the single screw 11 is transported to the support ring 3 in the rotating frame 21 through the circular hole arranged on the frame 1, the hydraulic cylinder 51 is started, the extension and retraction of the piston rod of the hydraulic cylinder 51 drives the support frame 33 rotationally connected with the support frame 33 to deflect in the rotating frame 21, the deflection of the support frame 33 drives the lifting ring 31 rotationally connected with the support rod 32 to lift on the sliding sleeve-connected support ring 3 through the rotationally connected support rod 32, the lifting of the support ring 3 drives the support frame 33 rotationally connected with the support rod 32 to deflect through the rotationally connected support rod 32, the deflection of the support frame 33 drives the fixed arc plate 41 rotationally connected with the connecting rod 4 to relatively move on the slidingly connected rotating frame 21 through the rotationally connected connecting rod 4, so that the single screw 11 is fixed, and the rubber layer 5 fixedly installed on the fixed arc ring of the support ring 3 further enhances the fixing effect.

[0041] After the fixing is completed, the motor 22 is started to drive the rotating frame 21 to rotate, so that the single screw 11 after being fixed rotates on the frame 1, and the water pump 7 is started, the water inlet end of the water pump 7 sucks the cleaning water from the water storage tank 6 through the pipeline in fixed communication, and then the cleaning water is conveyed into the support plate 62 in fixed communication through the pipeline, and then the cleaning water is conveyed into the nozzle 63 in fixed communication through the support plate 62, and the nozzle 63 sprays the cleaning water on the single screw 11, and the single screw 11 is cleaned in cooperation with the brush plate 61 fixedly installed on the frame 1.

[0042] The above is only a preferred specific implementation manner of the present application, but the protection scope of the present application is not limited to this, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. An extruder screw cleaning device comprising a frame (1) and a single screw (11), characterized in that: The outer surface of the frame (1) is provided with a fixing mechanism, the fixing mechanism comprises a fixed arc plate (41), the relative movement of the fixed arc plate (41) fixes the single screw (11); The outer surface of the frame (1) is provided with a cleaning mechanism, the cleaning mechanism comprises a water pump (7), the suction of the water pump (7) transports clean water.

2. An extruder screw cleaning device according to claim 1, characterized in that: The fixing mechanism further comprises a fixed ring (2), the fixed ring (2) is fixedly installed on the upper surface of the frame (1), the inner wall of the fixed ring (2) is rotatably connected with a rotating frame (21), the outer surface of the frame (1) is fixedly installed with a motor (22), and the output shaft of the motor (22) is fixedly installed with the outer surface of the rotating frame (21).

3. An extruder screw cleaning device according to claim 2, characterized in that: The inner wall of the rotating frame (21) is fixedly installed with a supporting ring (3), the outer surface of the supporting ring (3) is slidably sleeved with a lifting ring (31), the outer surface of the lifting ring (31) is rotatably connected with a supporting rod (32), and the recessed groove inner wall of the supporting rod (32) is rotatably connected with a supporting frame (33).

4. An extruder screw cleaning device according to claim 3, characterized in that: The supporting frame (33) is rotatably connected to the recessed groove inner wall of the rotating frame (21), the outer surface of the supporting frame (33) is rotatably connected with a connecting rod (4), the recessed groove inner wall of the connecting rod (4) is rotatably connected with the outer surface of the fixed arc plate (41), and the outer surface of the fixed arc plate (41) is slidably connected with the recessed groove inner wall of the rotating frame (21).

5. An extruder screw cleaning device according to claim 4, characterized in that: The inner wall of the fixed arc plate (41) and the inner wall of the supporting ring (3) are both fixedly installed with a rubber layer (5), the inner wall of the rotating frame (21) is fixedly installed with a hydraulic cylinder (51), one end of the hydraulic cylinder (51) is rotatably connected with one of the supporting frames (33), and the piston rod of the hydraulic cylinder (51) is rotatably connected with the other end of the supporting frame (33).

6. An extruder screw cleaning device according to claim 5, characterized in that: The cleaning mechanism further comprises a water storage tank (6) with a filter screen, the water storage tank (6) is fixedly installed on the outer surface of the frame (1), the outer surface of the frame (1) is fixedly installed with a brush plate (61), the outer surface of the frame (1) is fixedly installed with a supporting plate (62), and the lower surface of the supporting plate (62) is fixedly communicated with a spray head (63).

7. An extruder screw cleaning device according to claim 6, characterized in that: The upper surface of the supporting plate (62) is fixedly installed with a water pump (7), the water inlet end of the water pump (7) is fixedly connected with the outer surface of the water storage tank (6) through a pipeline, and the water outlet end of the water pump (7) is fixedly communicated with the upper surface of the supporting plate (62) through a pipeline.

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