Extruder barrel inner hole cleaning device

Abstract

The utility model discloses a cleaning device for an inner hole of a machine barrel of an extruder. The cleaning device comprises a rack, a fixing mechanism, a feeding mechanism and an adjusting mechanism, the fixing mechanism is arranged on the rack and used for fixing the machine barrel; the feeding mechanism comprises a first SWL lead screw lifting machine and a cleaning assembly, the first SWL lead screw lifting machine is provided with a lead screw, the cleaning assembly is arranged at one end of the lead screw and used for cleaning the wall face of the inner hole of the machine barrel, and the first SWL lead screw lifting machine is used for driving the lead screw to move in the direction close to or away from the fixing mechanism in the axial direction; the adjusting mechanism comprises a horizontal adjusting assembly and a vertical adjusting assembly, the horizontal adjusting assembly is used for driving the feeding mechanism to horizontally move in the radial direction of the lead screw, and the vertical adjusting assembly is used for driving the feeding mechanism to vertically move. The horizontal position and the height position of the cleaning assembly can be adjusted to adapt to the position of the machine barrel, the cleaning assembly can be driven to stretch into an inner hole of the machine barrel for cleaning, the labor intensity of workers is reduced, and the cleaning efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of barrel cleaning, in particular to a device for cleaning the inner hole of an extruder barrel. Background Art

[0002] An extruder is a device used for extruding plastics. In order to ensure the quality of extrusion processing, the barrel of the extruder needs to be cleaned regularly. A cleaning component (including a brush head or a grinding head, etc.) is inserted into the inner hole of the barrel to remove residual colloid attached to the wall of the inner hole. The barrel inner hole cleaning device in the prior art can only clean the barrel at a single height position and a single horizontal position. The barrel needs to be manually moved to a position aligned with the cleaning component so that the cleaning component can be inserted into the inner hole of the barrel. In addition, the cleaning component needs to be manually inserted into the inner hole of the barrel for cleaning. This is not only labor-intensive but also inefficient, thereby affecting the cleaning efficiency of the extruder barrel inner hole. Utility Model Content

[0003] The present invention aims to solve, at least to a certain extent, one of the technical problems in the related art. To this end, the present invention provides an extruder barrel inner bore cleaning device, wherein the horizontal and height positions of a cleaning component can be adjusted to adapt to the position of the barrel, and the cleaning component can be driven to extend into the barrel inner bore for cleaning, thereby reducing manual labor intensity and improving cleaning efficiency.

[0004] According to an embodiment of the utility model, a device for cleaning the inner hole of an extruder barrel is provided, comprising a frame, a fixing mechanism, a feeding mechanism and an adjusting mechanism; the fixing mechanism is arranged on the frame, and the fixing mechanism is used to fix the barrel; the feeding mechanism comprises a first SWL screw lift and a cleaning assembly, the first SWL screw lift has a screw, the cleaning assembly is arranged at one end of the screw, the cleaning assembly is used to clean the wall surface of the inner hole of the barrel, and the first SWL screw lift is used to drive the screw to move axially toward or away from the fixing mechanism; the adjusting mechanism comprises a horizontal adjusting assembly and a vertical adjusting assembly, the horizontal adjusting assembly is used to drive the feeding mechanism to move horizontally along the radial direction of the screw, and the vertical adjusting assembly is used to drive the feeding mechanism to move vertically.

[0005] The extruder barrel inner hole cleaning device of the embodiment of the utility model has at least the following beneficial effects: when in use, the barrel is fixed by the fixing mechanism, and then the feeding mechanism is driven to move horizontally along the radial direction of the screw rod by the horizontal adjustment component to adjust the horizontal position of the feeding mechanism, and the feeding mechanism is driven to move vertically by the vertical adjustment component to adjust the height position of the feeding mechanism, so that the cleaning component can be adjusted to a position aligned with the inner hole of the barrel, which facilitates the alignment of the cleaning component with the inner hole of the barrel. Since the cleaning component is arranged at one end of the screw rod, the screw rod is driven to move axially toward the fixing mechanism by the first SWL screw rod elevator to drive the cleaning component to extend into the inner hole of the barrel, and the cleaning component is used to clean the wall surface of the inner hole of the barrel, thereby reducing the intensity of manual labor and improving the cleaning efficiency.

[0006] According to some embodiments of the present invention, the horizontal adjustment assembly includes a support plate and a first driving member, the support plate is slidably connected to the frame, the feeding mechanism is arranged on the support plate, and the first driving member is used to drive the support plate to move horizontally along the radial direction of the screw rod.

[0007] According to some embodiments of the present invention, the vertical adjustment component includes a lifting plate and a second SWL screw lift, the horizontal adjustment component is arranged on the lifting plate, the lifting plate is slidably connected to the frame, and the second SWL screw lift is used to drive the lifting plate to move vertically.

[0008] According to some embodiments of the present invention, the lifting plate is provided with a first guide rail, the first guide rail is horizontally arranged along the radial direction of the screw rod, and the support plate is slidably connected to the first guide rail.

[0009] According to some embodiments of the present invention, the frame is provided with a guide sleeve, which is arranged vertically. A guide rod is provided at the bottom of the lifting plate, and the guide rod is slidably inserted into the guide sleeve.

[0010] According to some embodiments of the present invention, the support plate is provided with a position sensor, and the position sensor is used to detect the position of the inner hole of the barrel.

[0011] According to some embodiments of the present invention, travel switches are provided on opposite sides of the support plate along the axial direction of the screw rod, and the travel switches are used to detect the axial movement position of the screw rod.

[0012] According to some embodiments of the present invention, the cleaning assembly includes a brush head, a grinding head and a second driving member, the second driving member is connected to the screw rod, the brush head and the grinding head are both connected to the output end of the second driving member, and the second driving member is used to drive the brush head and the grinding head to rotate.

[0013] According to some embodiments of the present utility model, the fixing mechanism includes two cross bars and four positioning blocks, the two cross bars are slidably connected to the frame, the cross bars can slide vertically, each cross bar is slidably connected to two positioning blocks, the positioning blocks can slide horizontally, and the positioning blocks are provided with positioning holes.

[0014] According to some embodiments of the present invention, the rack is provided with a second guide rail, the second guide rail is arranged vertically, and the cross bar is slidably connected to the second guide rail.

[0015] Additional aspects and advantages of the present invention will be given in part in the following description and will become apparent from the following description or learned through practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The above and / or additional aspects and advantages of the present invention will become apparent and readily understood from the description of the embodiments in conjunction with the following drawings, in which:

[0017] Figure 1 This is a schematic structural diagram of an extruder barrel inner hole cleaning device according to an embodiment of the present invention;

[0018] Figure 2 This is another structural schematic diagram of the extruder barrel inner hole cleaning device according to an embodiment of the utility model;

[0019] Figure 3 yes Figure 2 A partial enlarged view of point A in the middle;

[0020] Figure 4 This is another structural schematic diagram of the extruder barrel inner hole cleaning device according to an embodiment of the utility model;

[0021] Figure 5 yes Figure 4 A partial enlarged view of point B in the middle.

[0022] Description of reference numerals:

[0023] Frame 100, magnetic switch 110, collection tray 120, universal wheel 130;

[0024] Fixing mechanism 200, crossbar 210, positioning block 220, positioning hole 221, second guide rail 230;

[0025] Feed mechanism 300, screw 310, first SWL screw lift 320, cleaning assembly 330, brush head 331, grinding head 332, second driving member 333, travel switch 340;

[0026] Adjustment mechanism 400, horizontal adjustment assembly 410, support plate 411, first drive member 412, first guide rail 413, guide rod 414, vertical adjustment assembly 420, lifting plate 421, second SWL screw lift 422, guide sleeve 423, position sensor 430;

[0027] Controller 500, hand wheel adjustment component 600, barrel 700. DETAILED DESCRIPTION

[0028] The following describes embodiments of the present invention in detail. Examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended only to explain the present invention and are not to be construed as limiting the present invention.

[0029] In the description of the present invention, it should be understood that descriptions involving orientations, such as up, down, front, back, left, right, etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, they cannot be understood as limitations on the present invention.

[0030] In the description of this utility model, "several" means one or more, "many" means more than two, "greater than," "less than," and "exceed" are understood to exclude the number itself, while "above," "below," and "within" are understood to include the number itself. The use of "first" and "second" in the description is solely for the purpose of distinguishing technical features and is not to be construed as indicating or implying relative importance, implicitly specifying the number of the indicated technical features, or implicitly specifying the order of the indicated technical features.

[0031] In the description of the present invention, unless otherwise clearly defined, terms such as setting, installing, and connecting should be understood in a broad sense, and technicians in the relevant technical field can reasonably determine the specific meanings of the above terms in the present invention based on the specific content of the technical solution.

[0032] It is understandable that, referring to Figures 1 to 5The extruder barrel inner hole cleaning device of the present invention includes a frame 100, a fixing mechanism 200, a feeding mechanism 300 and an adjusting mechanism 400; the fixing mechanism 200 is arranged on the frame 100, and the fixing mechanism 200 is used to fix the barrel 700; the feeding mechanism 300 includes a first SWL screw lift 320 and a cleaning assembly 330, the first SWL screw lift 320 has a screw 310, and the cleaning assembly 330 is arranged at one end of the screw 310, and the cleaning assembly 330 is used to clean the wall surface of the inner hole of the barrel 700, and the first SWL screw lift 320 is used to drive the screw 310 to move axially toward or away from the fixing mechanism 200; the adjusting mechanism 400 includes a horizontal adjusting assembly 410 and a vertical adjusting assembly 420, the horizontal adjusting assembly 410 is used to drive the feeding mechanism 300 to move horizontally along the radial direction of the screw 310, and the vertical adjusting assembly 420 is used to drive the feeding mechanism 300 to move vertically.

[0033] During use, the barrel 700 is fixed by the fixing mechanism 200, and then the feeding mechanism 300 is driven to move horizontally along the radial direction of the screw rod 310 by the horizontal adjustment component 410 to adjust the horizontal position of the feeding mechanism 300, and the feeding mechanism 300 is driven to move vertically by the vertical adjustment component 420 to adjust the height position of the feeding mechanism 300, so that the cleaning component 330 can be adjusted to a position aligned with the inner hole of the barrel 700, so as to facilitate the alignment of the cleaning component 330 with the inner hole of the barrel 700. Since the cleaning component 330 is arranged at one end of the screw rod 310, the screw rod 310 is driven by the first SWL screw rod elevator 320 to move axially in the direction close to the fixing mechanism 200, so as to drive the cleaning component 330 to extend into the inner hole of the barrel 700, and the cleaning component 330 is used to clean the wall surface of the inner hole of the barrel 700, thereby reducing the intensity of manual labor and improving the cleaning efficiency.

[0034] It should be noted that after cleaning is completed, the first SWL screw lift 320 drives the screw 310 to move axially away from the fixing mechanism 200, so that the screw 310 can drive the cleaning assembly 330 to exit the inner hole of the barrel 700.

[0035] The cleaning assembly 330 is detachably connected to the screw rod 310. The cleaning assembly 330 can be removed from the screw rod 310 and replaced with a visual inspection assembly to detect the cleaning quality of the inner hole of the barrel 700 through the visual inspection assembly. The waste discharge assembly can also be replaced with a waste discharge assembly to discharge the waste that falls off after cleaning from the inner hole of the barrel 700 through the waste discharge assembly.

[0036] A collecting tray 120 may be provided on the frame 100 and located below the fixing mechanism 200 , so that colloidal impurities brought out when the cleaning assembly 330 exits the inner hole of the barrel 700 can fall onto the collecting tray 120 for collection.

[0037] Universal wheels 130 may be provided at the four bottom corners of the frame 100 , so that the frame 100 can be moved easily by the universal wheels 130 , thereby facilitating adjustment of the fixed position of the extruder barrel inner hole cleaning device.

[0038] It is understandable that, referring to Figure 1 and Figure 2 The horizontal adjustment assembly 410 includes a support plate 411 and a first driving member 412. The support plate 411 is slidably connected to the frame 100. The feed mechanism 300 is disposed on the support plate 411. The first driving member 412 is used to drive the support plate 411 to move horizontally in the radial direction of the screw rod 310. Since the feed mechanism 300 is disposed on the support plate 411, the support plate 411 is driven to move horizontally in the radial direction of the screw rod 310 by the first driving member 412. The support plate 411 drives the feed mechanism 300 to move horizontally in the radial direction of the screw rod 310, thereby adjusting the horizontal position of the cleaning assembly 330 and facilitating alignment of the cleaning assembly 330 with the inner hole of the barrel 700.

[0039] It should be noted that the first driving member 412 can be a pneumatic cylinder, an oil cylinder or a linear slide module, etc., which can drive the support plate 411 to move horizontally along the radial direction of the screw rod 310.

[0040] Specifically, refer to Figure 1 and Figure 2 The vertical adjustment assembly 420 includes a lifting plate 421 and a second SWL screw elevator 422. The horizontal adjustment assembly 410 is disposed on the lifting plate 421, which is slidably connected to the frame 100. The second SWL screw elevator 422 is used to drive the lifting plate 421 to move vertically. Since the horizontal adjustment assembly 410 is disposed on the lifting plate 421, the lifting plate 421 is driven to move vertically by the second SWL screw elevator 422, so that the lifting plate 421 drives the horizontal adjustment assembly 410 to move vertically. Since the feeding mechanism 300 is disposed on the support plate 411, the support plate 411 can drive the screw 310 and the cleaning assembly 330 to move vertically, thereby adjusting the height position of the cleaning assembly 330 and facilitating the alignment of the cleaning assembly 330 with the inner hole of the barrel 700.

[0041] It should be noted that, referring to Figure 4 The horizontal adjustment assembly 410 and the vertical adjustment assembly 420 may both include a handwheel adjustment component 600, which drives the support plate 411 and the lifting plate 421 to move accordingly by rotating the handwheel, thereby realizing a manual adjustment function.

[0042] Specifically, refer to Figure 2 and Figure 4The lifting plate 421 is provided with a first guide rail 413, which is arranged horizontally along the radial direction of the screw rod 310, and the support plate 411 is slidably connected to the first guide rail 413. Since the lifting plate 421 is provided with the first guide rail 413, which is arranged horizontally along the radial direction of the screw rod 310, the first guide rail 413 guides the support plate 411 to move horizontally along the radial direction of the screw rod 310, thereby improving the stability of the support plate 411 movement and reducing the possibility of the support plate 411 moving position deviation, thereby improving the stability and accuracy of the horizontal position adjustment of the cleaning assembly 330.

[0043] Specifically, refer to Figure 2 and Figure 4 The frame 100 is provided with a guide sleeve 423, which is arranged vertically. A guide rod 414 is provided at the bottom of the lifting plate 421, and the guide rod 414 slides through the guide sleeve 423. Since the frame 100 is provided with a guide sleeve 423, which is arranged vertically, and the guide sleeve 423 is provided at the bottom of the lifting plate 421, and the guide rod 414 slides through the guide sleeve 423, the guide sleeve 423 guides the vertical sliding of the guide rod 414, thereby guiding the vertical movement of the lifting plate 421. This can improve the stability of the lifting movement of the lifting plate 421 and reduce the possibility of the lifting plate 421 moving position deviation, thereby improving the stability and accuracy of the height position adjustment of the cleaning assembly 330.

[0044] Specifically, refer to Figure 4 and Figure 5 The support plate 411 is provided with a position sensor 430, which is used to detect the position of the inner hole of the barrel 700. By detecting the position of the inner hole of the barrel 700 by the position sensor 430, the cleaning assembly 330 can be easily adjusted to a position aligned with the inner hole of the barrel 700, thereby improving the accuracy and efficiency of position adjustment.

[0045] It should be noted that the frame 100 is provided with a controller 500, which can be a single-chip microcomputer, an industrial computer or a programmable logic controller, etc. The first SWL screw lift 320, the first drive member 412, the second SWL screw lift 422 and the position sensor 430 are all electrically connected to the controller 500. The position sensor 430 is used to detect the position of the inner hole of the barrel 700, and the position information is fed back to the controller 500. The controller 500 controls the first drive member 412 and the second SWL screw lift 422 to drive the support plate 411 and the lifting plate 421 to perform corresponding actions respectively, thereby adjusting the cleaning component 330 to a position aligned with the inner hole of the barrel 700. When the cleaning component 330 is adjusted to a preset position, the controller 500 controls the first SWL screw lift 320 to drive the screw 310 to move axially in a direction close to the fixing mechanism 200, thereby driving the cleaning component 330 to extend into the inner hole of the barrel 700 for cleaning, which can improve the adjustment efficiency and cleaning efficiency.

[0046] Specifically, refer to Figure 4 and Figure 5 Along the axial direction of the screw rod 310, travel switches 340 are provided on opposite sides of the support plate 411. The travel switches 340 are used to detect the axial movement position of the screw rod 310. By providing the travel switches 340 on opposite sides of the support plate 411 along the axial direction of the screw rod 310, when the first SWL screw lift 320 drives the screw rod 310 to move axially toward or away from the fixing mechanism 200 to a position detected by the travel switches 340, the travel switches 340 control the first SWL screw lift 320 to stop driving the screw rod 310 to move, thereby controlling the movement stroke of the screw rod 310 and improving the safety and reliability of the movement of the screw rod 310.

[0047] It is understandable that, referring to Figure 2 、 Figure 4 and Figure 5 The cleaning assembly 330 includes a brush head 331, a grinding head 332, and a second driving member 333. The second driving member 333 is connected to the screw 310. The brush head 331 and the grinding head 332 are both connected to the output end of the second driving member 333. The second driving member 333 is used to drive the brush head 331 and the grinding head 332 to rotate. When the first SWL screw elevator 320 drives the screw 310 to extend into the inner bore of the barrel 700, the second driving member 333 drives the brush head 331 and the grinding head 332 to rotate. The brush head 331 and the grinding head 332 can be used to simultaneously scrub and grind the wall surface of the inner bore of the barrel 700, thereby improving the quality and efficiency of cleaning the inner bore of the barrel 700.

[0048] It should be noted that both the brush head 331 and the grinding head 332 can be shaft roller structures, which can be rotated to brush or grind the wall surface of the inner hole of the barrel 700.

[0049] The grinding head 332 may be a milling cutter or other grinding components, and the brush head 331 may be a copper brush or a steel brush.

[0050] The brush head 331 and the grinding head 332 are both axially parallel to the screw rod 310, and the brush head 331 and the grinding head 332 are coaxially arranged. The brush head 331 and the grinding head 332 are arranged in sequence along the axial direction of the screw rod 310 toward the fixing mechanism 200. The grinding head 332 first breaks the attached colloid into loose pieces, and then brushes it with the brush head 331, making it easier for the colloid to detach from the wall of the inner hole of the barrel 700, thereby improving the cleaning quality.

[0051] The second driving member 333 can be a servo motor or a stepping motor, etc., which can drive the brush head 331 and the grinding head 332 to rotate.

[0052] Safety doors with magnetic door suction can be rotatably connected on opposite sides of the frame 100. The safety doors are transparent parts, such as acrylic parts or glass parts. When the safety doors are closed, the operation of internal components can be observed through the safety doors from opposite sides of the frame 100. A magnetic switch 110 can be set in the magnetic door suction to sense whether the safety door is in a closed state. When the magnetic switch 110 senses that the safety door is in an open state, the magnetic switch 110 controls the second driving member 333 to stop working, which can reduce the risk of the operator being injured by the rotation of the brush head 331 or the grinding head 332 when opening the installation door for inspection, thereby improving the safety of the extruder barrel inner hole cleaning device.

[0053] It is understandable that, referring to Figures 1 to 3 The fixing mechanism 200 includes two cross bars 210 and four positioning blocks 220. The two cross bars 210 are slidably connected to the frame 100. The cross bars 210 can slide vertically. Each cross bar 210 is slidably connected to two positioning blocks 220. The positioning blocks 220 can slide horizontally. The positioning blocks 220 are provided with positioning holes 221. Since the two cross bars 210 are both slidably connected to the frame 100, each cross bar 210 is slidably connected to two positioning blocks 220. By sliding the two cross bars 210 toward or away from each other in the vertical direction, the vertical distance between the two cross bars 210 can be adjusted, thereby adjusting the vertical distance between the two corresponding positioning blocks 220 on different cross bars 210, and by sliding the two positioning blocks 220 on the same cross bar 210 toward or away from each other in the horizontal direction, the horizontal distance between the two positioning blocks 220 can be adjusted, and then the position of the barrel 700 is fixed by the positioning holes 221 on the four positioning blocks 220, which can adapt to the fixed installation of barrels 700 of different sizes, thereby adapting to the cleaning of barrels 700 of different sizes, thereby improving the applicability of the extruder barrel inner hole cleaning device.

[0054] It should be noted that the barrel 700 has a mounting hole corresponding to the positioning hole 221 , and the barrel 700 is fixedly connected by fasteners such as bolts or pins passing through the positioning hole 221 and the mounting hole.

[0055] When the cross bar 210 is adjusted to a preset vertical position, the position of the cross bar 210 can be fixed by fasteners such as bolts or pins. When the positioning block 220 is adjusted to a preset horizontal position, the position of the positioning block 220 can also be fixed by fasteners such as bolts or pins.

[0056] Specifically, refer to Figure 1 The rack 100 is provided with a second guide rail 230, which is arranged vertically, and the cross bar 210 is slidably connected to the second guide rail 230. Since the rack 100 is provided with the second guide rail 230 and the second guide rail 230 is arranged vertically, the second guide rail 230 guides the cross bar 210 to slide vertically, which can improve the stability of the movement of the cross bar 210, thereby improving the stability of the position adjustment of the cross bar 210.

[0057] The embodiments of the present invention are described in detail above with reference to the accompanying drawings. However, the present invention is not limited to the above embodiments. Various changes can be made within the scope of knowledge possessed by ordinary technicians in the relevant technical field without departing from the purpose of the present invention.

Claims

1. Extruder barrel inner hole cleaning device, characterized in that, include: frame; A fixing mechanism, provided on the frame, and used for fixing the barrel; The feeding mechanism includes a first SWL screw lift and a cleaning assembly, wherein the first SWL screw lift has a screw, the cleaning assembly is arranged at one end of the screw, the cleaning assembly is used to clean the wall surface of the inner hole of the barrel, and the first SWL screw lift is used to drive the screw to move axially toward or away from the fixing mechanism; The adjustment mechanism includes a horizontal adjustment component and a vertical adjustment component. The horizontal adjustment component is used to drive the feeding mechanism to move horizontally along the radial direction of the screw rod, and the vertical adjustment component is used to drive the feeding mechanism to move vertically.

2. The extruder barrel inner hole cleaning device according to claim 1, characterized in that: The horizontal adjustment assembly includes a support plate and a first driving member. The support plate is slidably connected to the frame. The feeding mechanism is arranged on the support plate. The first driving member is used to drive the support plate to move horizontally along the radial direction of the screw rod.

3. The extruder barrel inner hole cleaning device according to claim 2, characterized in that: The vertical adjustment assembly includes a lifting plate and a second SWL screw elevator. The horizontal adjustment assembly is arranged on the lifting plate. The lifting plate is slidably connected to the frame. The second SWL screw elevator is used to drive the lifting plate to move vertically.

4. The extruder barrel inner hole cleaning device according to claim 3, characterized in that: The lifting plate is provided with a first guide rail, the first guide rail is horizontally arranged along the radial direction of the screw rod, and the support plate is slidably connected to the first guide rail.

5. The extruder barrel inner hole cleaning device according to claim 3, characterized in that: The frame is provided with a guide sleeve, which is arranged vertically. The bottom of the lifting plate is provided with a guide rod, which is slidably inserted into the guide sleeve.

6. The extruder barrel inner hole cleaning device according to claim 2, characterized in that: The support plate is provided with a position sensor, and the position sensor is used to detect the position of the inner hole of the barrel.

7. The extruder barrel inner hole cleaning device according to claim 2, characterized in that: Along the axial direction of the screw rod, travel switches are provided on opposite sides of the support plate, and the travel switches are used to detect the axial movement position of the screw rod.

8. The extruder barrel inner hole cleaning device according to claim 1, characterized in that: The cleaning assembly includes a brush head, a grinding head and a second driving member, the second driving member is connected to the screw rod, the brush head and the grinding head are both connected to the output end of the second driving member, and the second driving member is used to drive the brush head and the grinding head to rotate.

9. The extruder barrel inner hole cleaning device according to claim 1, characterized in that: The fixing mechanism includes two cross bars and four positioning blocks. The two cross bars are slidably connected to the frame. The cross bars can slide vertically. Each cross bar is slidably connected to two positioning blocks. The positioning blocks can slide horizontally. The positioning blocks are provided with positioning holes.

10. The extruder barrel inner hole cleaning device according to claim 9, characterized in that: The rack is provided with a second guide rail, the second guide rail is arranged vertically, and the cross bar is slidably connected to the second guide rail.

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