Cleaning mechanism for forming screw machine

Abstract

The invention relates to the technical field of forming screw machine cleaning, in particular to a cleaning mechanism for a forming screw machine, which comprises a bottom plate and moving wheels, the moving wheels are mounted on the bottom plate, and a push handle convenient for pushing the bottom plate to move is mounted on the upper side of the bottom plate; one end of the stand column is fixedly connected with the bottom plate, and a guide mechanism is rotationally mounted at the other end of the stand column; the wetting mechanism is mounted on one side of the bottom plate, and the wetting mechanism bypasses the guide mechanism; the dust collection mechanism is mounted on the other side of the bottom plate and bypasses the guide mechanism; and the two storage mechanisms are fixedly installed on the stand column, and the two storage mechanisms are used for placing the tail ends of the wetting mechanism and the dust collection mechanism. According to the cleaning mechanism for the forming screw machine, the forming screw machine can be cleaned, spraying cleaning and adsorption dust removal can be integrated, different dust removal modes can be selected conveniently, dust can be further collected and treated in a unified mode conveniently, operation is easy, and practicability is high.

Description

Technical Field

[0001] The invention relates to the technical field of cleaning of a molding screw machine, and in particular to a cleaning mechanism for a molding screw machine. Background Art

[0002] The molding screw machine is a mechanical device that converts motor power into processing tool power, and is mainly used for plastic molding processing. Its working principle is to send the plastic material into the mold for molding through the rotation of the screw to complete the injection molding process. Screw machines are widely used in the plastic products industry, especially in injection molding machines. The screw machine heats and melts the plastic material through the pre-plasticization and injection functions of the screw, and then injects it into the mold. After cooling and solidification, the desired plastic product is obtained. The molding screw machine needs to be cleaned during use to ensure the cleanliness of its surface. Although the existing cleaning mechanism can clean the molding screw machine, there are still some problems. First, the current cleaning mechanism is unable to combine spray cleaning and adsorption dust removal together, which makes it inconvenient to select different dust removal methods. Second, the current cleaning mechanism is not convenient for uniformly collecting and processing dust. Therefore, a cleaning mechanism for a molding screw machine is needed to solve the above problems. Summary of the invention

[0003] The purpose of the embodiment of the present invention is to provide a cleaning mechanism for a molding screw machine, aiming to solve the following problem: the existing cleaning mechanism is unable to combine spray cleaning and adsorption dust removal together, which is inconvenient for unified collection and treatment of dust.

[0004] The embodiment of the present invention is implemented as follows: a cleaning mechanism for a molding screw machine comprises: a base plate and a moving wheel, wherein the moving wheel is mounted on the base plate, and a push handle is mounted on the upper side of the base plate to facilitate its movement; a column, one end of which is fixedly connected to the base plate, and a guide mechanism is rotatably mounted on the other end of the column; a wetting mechanism, which is mounted on one side of the base plate, and the wetting mechanism bypasses the guide mechanism and is used to wet the position of the molding screw machine that needs to be cleaned; a dust suction mechanism, which is mounted on the other side of the base plate and bypasses the guide mechanism and is used to scrape and suck dust from the molding screw machine; a storage mechanism, which is fixedly mounted on the column and is provided with two, and the two storage mechanisms are used to place the ends of the wetting mechanism and the dust suction mechanism.

[0005] Preferably, the guide mechanism comprises: a rotating plate, a middle part of which is rotatably mounted on a column, guide grooves are provided at both ends of the rotating plate, guide wheels are installed in the guide grooves, the guide wheels are distributed on the upper and lower sides of the guide grooves, and the wetting mechanism and the dust collection mechanism pass through the guide wheels.

[0006] Preferably, the wetting mechanism includes: a water tank, which is fixedly mounted on one side of the bottom plate, a water adding bucket is fixedly arranged on the upper end of the water tank, and water can be added into the water tank from the water adding bucket; a hard pipe, which is fixed on the water tank and the water inlet end extends to the bottom of the water tank, a pump body is installed on the hard pipe, a hose is connected to the output end of the hard pipe, the hose passes around a guide wheel on one side and the water outlet end is fixedly connected to a spray head, a first placement plate that can be placed on the storage mechanism is fixed on the spray head, and a handle is fixedly arranged on the spray head.

[0007] Preferably, the dust collection mechanism comprises: a box body, which is fixedly mounted on the other side of the bottom plate, guide grooves are provided on the inner walls on both sides of the box body, an air outlet provided on the box body is provided on the upper side of the guide groove, and an inlet and outlet are provided on the side of the box body; a dust collection pipe, which extends from the upper end of the box body into the box body, and the dust outlet end of the dust collection pipe is connected to a dust outlet hopper fixed in the box body, and the dust outlet hopper is used to guide dust into the box body; a collecting component, which is installed in the box body and is used to collect dust guided out by the dust outlet hopper, the collecting component can be shaken to make the dust evenly distributed therein, and a guide plate fixed on the inner wall of the box body is provided on the upper side of the collecting component; an extended A tube is connected to the air inlet end of the dust suction pipe, a second placement plate which can be placed on the storage mechanism is fixed on the extension pipe, and a handle fixed to the extension pipe is arranged on the upper side of the second placement plate; a dust suction head is installed at the air inlet end of the extension pipe, and a scraper for scraping dust is fixed on the dust suction head; an air pump is installed on the top of the box body and connected to the dust suction pipe, and is used to suck dust from the dust suction head into the collection component for storage; a baffle is fixedly installed at the air outlet opened in the box body, a filter screen placed in the air outlet is arranged on one side of the baffle plate, and a bolt for pressing the filter screen onto the baffle plate is arranged on one side of the filter screen, and the bolt is provided with an air vent.

[0008] Preferably, the collecting assembly comprises: a base, which is fixedly mounted on the inner wall of the box, a power part is mounted on the base, and a cam is fixedly connected to the output shaft of the power part; a sliding rod, both ends of which are fixedly connected to the inner walls of both sides of the box, a slide plate is sleeved on the sliding rod, the cam and the slide plate are in sliding contact, and a return spring is fixedly connected between the slide plate and the inner wall of the box; a reciprocating plate, which is inserted into a guide groove provided in the box and fixedly connected to the slide plate, a guide wheel seat is installed on the reciprocating plate, and a limit plate fixed to the reciprocating plate is provided on one side of the guide wheel seat; a pulling plate, which is arranged in coordination with the entrance and exit provided in the box, a sleeve is fixedly arranged on the pulling plate, a sleeve rod is slidably arranged on the sleeve, a collecting box for collecting dust is fixed on the sleeve rod, a wheel groove provided in coordination with the guide wheel seat is provided at the bottom of the collecting box, and a compression spring is fixedly connected between the collecting box and the sleeve.

[0009] Preferably, the storage mechanism includes: a storage slot, which is fixedly mounted on a column and has a pull-out opening, a guide sleeve is fixedly mounted on the inner wall of the storage slot, a guide rod is slidably mounted on the guide sleeve, an arc plate is fixedly mounted on the guide rod, a top spring is fixedly connected between the arc plate and the guide sleeve; a protective cover, which is fixedly mounted on both sides of the storage slot, a limiting component passing through the pull-out opening is mounted on the protective cover.

[0010] Preferably, the limiting assembly includes: a stabilizing rod, whose two ends are respectively fixedly connected to the inner wall of the protective cover and the storage slot, and a stabilizing plate is sleeved on the stabilizing rod, and a clamping block is fixedly arranged on the stabilizing plate; a push spring, whose two ends are respectively fixedly connected to the protective cover and the stabilizing plate, and is used to push the clamping block to move so as to limit the ends of the wetting mechanism and the dust collection mechanism; a control handle, which is fixedly connected to the stabilizing plate, and is used to pull the clamping blocks on both sides away from each other to remove the ends of the wetting mechanism and the dust collection mechanism.

[0011] The cleaning mechanism for the molding screw machine provided by the present invention can not only clean the molding screw machine, but also can concentrate spray cleaning and adsorption dust removal together, so as to facilitate the selection of different dust removal methods, and further facilitate the unified collection and treatment of dust, and the operation is simple and practical. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 Schematic diagram of the cleaning mechanism for a molding screw machine.

[0013] Figure 2 A schematic diagram of a dust collection mechanism for a cleaning mechanism of a molding screw machine.

[0014] Figure 3 A schematic diagram of a storage mechanism for a cleaning mechanism of a molding screw machine.

[0015] In the attached drawings: 1-bottom plate, 2-moving wheel, 3-push handle, 4-column, 5-guiding mechanism, 6-wetting mechanism, 7-dust suction mechanism, 8-storage mechanism, 51-turn plate, 52-guide wheel, 61-water tank, 62-water adding bucket, 63-hard pipe, 64-pump body, 65-hose, 66-spray head, 67-first placement plate, 68-handle, 71-box, 72-dust suction pipe, 73-dust hopper, 74-collection assembly, 75-guide plate, 76-extension pipe, 77-second placement plate, 78-handle, 79-dust suction head, 710-scraper, 711-air pump, 712-baffle, 71 3-filter, 714-bolt, 741-base, 742-power part, 743-cam, 744-slide rod, 745-slide plate, 746-reset spring, 747-reciprocating plate, 748-guide wheel seat, 749-limiting plate, 7410-pull plate, 7411-sleeve, 7412-sleeve rod, 7413-collection box, 7414-compression spring, 81-storage slot, 82-guide sleeve, 83-guide rod, 84-arc plate, 85-top spring, 86-protective cover, 87-limiting assembly, 871-stabilizing bar, 872-stabilizing plate, 873-block, 874-push spring, 875-control handle. DETAILED DESCRIPTION

[0016] In order to make the purpose, technical solution and advantages of the present invention more clearly understood, the present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and do not limit the present invention.

[0017] The specific implementation of the present invention is described in detail below in conjunction with specific embodiments.

[0018] See also Figure 1 , an embodiment of the present invention provides a cleaning mechanism for a molding screw machine, the cleaning mechanism for a molding screw machine comprising: A base plate 1 and a moving wheel 2, wherein the moving wheel 2 is mounted on the base plate 1, and a push handle 3 is mounted on the upper side of the base plate 1 for facilitating its movement; a column 4, one end of which is fixedly connected to the base plate 1, and a guide mechanism 5 is rotatably mounted on the other end of the column 4; a wetting mechanism 6, which is mounted on one side of the base plate 1, and the wetting mechanism 6 bypasses the guide mechanism 5 and is used to wet the position of the molding screw machine that needs to be cleaned; a dust suction mechanism 7, which is mounted on the other side of the base plate 1 and bypasses the guide mechanism 5, and is used to scrape and suck dust from the molding screw machine; a storage mechanism 8, which is fixedly mounted on the column 4 and is provided with two, and the two storage mechanisms 8 are used to place the ends of the wetting mechanism 6 and the dust suction mechanism 7.

[0019] When using the cleaning mechanism for the molding screw machine, first add water to the wetting mechanism 6, push the push handle 3, and move the cleaning mechanism to the vicinity of the molding screw machine by the rolling of the moving wheel 2. Then, cleaning can be performed according to actual needs. The dust collection mechanism 7 can be removed from the storage mechanism 8 to scrape and absorb the dust on the molding screw machine. The wetting mechanism 6 can be taken out from the storage mechanism 8 to wet and clean the molding screw machine. The storage mechanism 8 can store the ends of the dust collection mechanism 7 and the wetting mechanism 6 when they are not in use to avoid the dust collection mechanism 7 and the wetting mechanism 6 from mopping the floor. The guiding mechanism 5 can guide the dust collection mechanism 7 and the wetting mechanism 6 to facilitate the use of the dust collection mechanism 7 and the wetting mechanism 6.

[0020] like Figure 1 As shown, as a preferred embodiment of the present invention, the guide mechanism 5 includes: a rotating plate 51, a middle part of which is rotatably mounted on the column 4, guide grooves are opened at both ends of the rotating plate 51, guide wheels 52 are installed in the guide grooves, the guide wheels 52 are distributed on the upper and lower sides of the guide grooves, and the wetting mechanism 6 and the dust collection mechanism 7 pass through the guide wheels 52.

[0021] When the dust suction mechanism 7 and the wetting mechanism 6 are in use, pulling the dust suction mechanism 7 and the wetting mechanism 6 will cause the rotating plate 51 to rotate on the column 4, and also cause the guide wheel 52 to rotate, thereby facilitating the dust suction mechanism 7 and the wetting mechanism 6 to be moved to the designated position of the molding screw machine for cleaning.

[0022] like Figure 1 As shown, as a preferred embodiment of the present invention, the wetting mechanism 6 includes: a water tank 61, which is fixedly mounted on one side of the bottom plate 1, and a water adding bucket 62 is fixedly arranged on the upper end of the water tank, and a water adding bucket 62 is fixedly mounted on the upper end of the water tank 61, and water can be added into the water tank 61 from the water adding bucket 62; a hard pipe 63, which is fixed on the water tank 61 and the water inlet end extends to the bottom of the water tank 61, a pump body 64 is installed on the hard pipe 63, and a hose 65 is connected to the output end of the hard pipe 63, the hose 65 bypasses one side guide wheel 52 and the water outlet end is fixedly connected to a spray head 66, a first placement plate 67 that can be placed on the storage mechanism 8 is fixed on the spray head 66, and a handle 68 is fixed on the spray head 66.

[0023] When the molding screw machine is wet and cleaned, water is added from the water adding bucket 62 into the water tank 61, and then the storage mechanism 8 is pulled to remove the spray head 66 from the storage mechanism 8. The handle 68 is held and the spray head 66 is aimed at the position of the molding screw machine that needs to be cleaned. The pump body 64 is turned on, and water can be sprayed out from the spray head 66 through the hard pipe 63 and the hose 65, so that the designated position of the molding screw machine can be cleaned.

[0024] like Figure 1 and Figure 2As shown, as a preferred embodiment of the present invention, the dust collection mechanism 7 includes: a box body 71, which is fixedly mounted on the other side of the bottom plate 1, guide grooves are provided on the inner walls of both sides of the box body 71, and an air outlet is provided on the upper side of the guide groove, and an inlet and outlet are provided on the side of the box body 71; a dust collection pipe 72, which extends from the upper end of the box body 71 into the box body 71, and the dust outlet end of the dust collection pipe 72 is connected to a dust outlet hopper 73 fixed in the box body 71, and the dust outlet hopper 73 is used to introduce dust into the box body 71; a collecting component 74, which is installed in the box body 71 and is used to collect dust guided out by the dust outlet hopper 73, and the collecting component 74 can be shaken to make the dust evenly distributed therein, and a guide plate 75 fixed on the inner wall of the box body 71 is provided on the upper side of the collecting component 74; an extension pipe 76, It is connected to the air inlet end of the dust suction pipe 72, and a second placement plate 77 that can be placed on the storage mechanism 8 is fixed on the extension pipe 76, and a handle 78 fixed to the extension pipe 76 is arranged on the upper side of the second placement plate 77; a dust suction head 79, which is installed at the air inlet end of the extension pipe 76, and a scraper 710 for scraping off dust is fixed on the dust suction head 79; an air pump 711, which is installed on the top of the box body 71 and connected to the dust suction pipe 72, is used to suck dust from the dust suction head 79 into the collection component 74 for storage; a baffle 712, which is fixedly installed at the air outlet opened in the box body 71, and a filter screen 713 placed in the air outlet is arranged on one side of the baffle 712, and a bolt 714 for pressing the filter screen 713 onto the baffle 712 is arranged on one side of the filter screen 713, and the bolt 714 is provided with an air vent.

[0025] like Figure 2 As shown, as a preferred embodiment of the present invention, the collecting assembly 74 includes: a base 741, which is fixedly mounted on the inner wall of the box body 71, a power piece 742 is mounted on the base 741, and a cam 743 is fixedly connected to the output shaft of the power piece 742; a slide bar 744, both ends of which are fixedly connected to the inner walls of both sides of the box body 71, a slide plate 745 is sleeved on the slide bar 744, the cam 743 and the slide plate 745 are in sliding contact, and a return spring 746 is fixedly connected between the slide plate 745 and the inner wall of the box body 71; a reciprocating plate 747, which is inserted into the guide groove provided in the box body 71 and fixed to the slide plate 745 A guide wheel seat 748 is installed on the reciprocating plate 747, and a limit plate 749 fixed on the reciprocating plate 747 is arranged on one side of the guide wheel seat 748; a pull plate 7410 is arranged in coordination with the entrance and exit opened by the box body 71, a sleeve 7411 is fixedly arranged on the pull plate 7410, a sleeve rod 7412 is slidably arranged on the sleeve 7411, a collecting box 7413 for collecting dust is fixed on the sleeve rod 7412, a wheel groove cooperating with the guide wheel seat 748 is arranged at the bottom of the collecting box 7413, and a compression spring 7414 is fixedly connected between the collecting box 7413 and the sleeve 7411.

[0026] When dust is removed from the forming screw machine, pull the storage mechanism 8, remove the extension tube 76 from the storage mechanism 8, then hold the handle 78, aim the scraper 710 at the position that needs to be cleaned, and use the scraper 710 to scrape off the dust on the forming screw machine. At the same time, turn on the air pump 711, and the scraped dust can be introduced into the collection box 7413 through the extension tube 76, the dust suction tube 72 and the dust hopper 73 for collection, while the air is filtered by the filter 713 and discharged from the air outlet. If the filter 713 needs to be replaced, turn the bolt 714, remove the bolt 714 from the air outlet, and then remove the filter 713 for replacement.

[0027] In order to prevent dust from being concentrated in the collection box 7413, the power part 742 is turned on. The power part 742 is specifically a motor. The output shaft of the power part 742 drives the cam 743 to rotate. The rotation of the cam 743 is coordinated with the elastic force of the return spring 746. The slide plate 745 drives the reciprocating plate 747 and the guide wheel seat 748 to move back and forth along the slide rod 744. At the same time, under the push of the elastic force of the compression spring 7414, the collection box 7413 can swing back and forth left and right, so that the dust can be evenly distributed in the collection box 7413, ensuring that the collection box 7413 can store more dust. If the dust needs to be cleaned uniformly, the screws on the pull plate 7410 are removed, and the pull plate 7410 is pulled, so that the collection box 7413 can be taken out from the entrance and exit, and then the dust in the collection box 7413 can be cleaned uniformly.

[0028] like Figure 3 As shown, as a preferred embodiment of the present invention, the storage mechanism 8 includes: a storage slot 81, which is fixedly mounted on the column 4 and has a pull-out port, a guide sleeve 82 is fixedly mounted on the inner wall of the storage slot 81, a guide rod 83 is slidably mounted on the guide sleeve 82, an arc plate 84 is fixedly mounted on the guide rod 83, a top spring 85 is fixedly connected between the arc plate 84 and the guide sleeve 82; a protective cover 86, which is fixedly mounted on both sides of the storage slot 81, and a limiting component 87 passing through the pull-out port is installed on the protective cover 86.

[0029] like Figure 3 As shown, as a preferred embodiment of the present invention, the limiting assembly 87 includes: a stabilizing rod 871, whose two ends are respectively fixedly connected to the inner wall of the protective cover 86 and the storage groove 81, and the stabilizing rod 871 is provided with a stabilizing plate 872, and a clamping block 873 is fixedly provided on the stabilizing plate 872; a push spring 874, whose two ends are respectively fixedly connected to the protective cover 86 and the stabilizing plate 872, and is used to push the clamping block 873 to move so as to limit the ends of the wetting mechanism 6 and the dust collection mechanism 7; an operating handle 875, which is fixedly connected to the stabilizing plate 872, and is used to pull the clamping blocks 873 on both sides away from each other so as to remove the ends of the wetting mechanism 6 and the dust collection mechanism 7.

[0030] When the extension tube 76 is removed for use, the control handles 875 on both sides are pulled, and the control handles 875 on both sides drive the stabilizing plates 872 and the clamping blocks 873 on both sides to move away from each other along the stabilizing rod 871 and compress the push spring 874. After the clamping blocks 873 on both sides are separated from the storage slot 81, the top spring 85 can make the arc plate 84 push the extension tube 76 a short distance to the right, thereby facilitating the extension tube 76 to be taken out of the storage slot 81 for use.

[0031] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A cleaning mechanism for a forming screw machine, comprising a bottom plate and a moving wheel, characterized in that: The moving wheel is mounted on the bottom plate, and a push handle is mounted on the upper side of the bottom plate to facilitate its movement; A column, one end of which is fixedly connected to the bottom plate, and the other end of which is rotatably mounted with a guide mechanism; A wetting mechanism is installed on one side of the bottom plate, the wetting mechanism bypasses the guide mechanism and is used to wet the position of the molding screw machine that needs to be cleaned; A dust suction mechanism, which is installed on the other side of the bottom plate and bypasses the guide mechanism, is used to scrape and suck dust from the molding screw machine; The storage mechanism is fixedly mounted on the column and is provided with two. The two storage mechanisms are used to place the ends of the wetting mechanism and the dust collecting mechanism.

2. The cleaning mechanism for a molding screw machine according to claim 1, characterized in that: The guiding mechanism comprises: The rotating plate, the middle part of which is rotatably mounted on the column, has guide grooves at both ends of the rotating plate, guide wheels are installed in the guide grooves, the guide wheels are distributed on the upper and lower sides of the guide grooves, and the wetting mechanism and the dust suction mechanism pass through the guide wheels.

3. The cleaning mechanism for a molding screw machine according to claim 2, characterized in that: The wetting mechanism comprises: A water tank is fixedly mounted on one side of the bottom plate, and a water adding bucket is fixedly arranged on the upper end of the water tank. Water can be added into the water tank from the water adding bucket; A hard pipe is fixed on the water tank and the water inlet end extends to the bottom of the water tank. A pump body is installed on the hard pipe. A hose is connected to the output end of the hard pipe. The hose passes around a guide wheel on one side and the water outlet end is fixedly connected to a spray head. A first placement plate that can be placed on a storage mechanism is fixed on the spray head, and a handle is fixedly provided on the spray head.

4. The cleaning mechanism for a molding screw machine according to claim 2, characterized in that: The dust collection mechanism comprises: A box body is fixedly mounted on the other side of the bottom plate, guide grooves are provided on the inner walls of both sides of the box body, an air outlet is provided on the upper side of the guide groove, and an inlet and outlet are provided on the side of the box body; A dust suction pipe extends from the upper end of the box body into the box body, and a dust outlet end of the dust suction pipe is connected to a dust outlet hopper fixed in the box body, and the dust outlet hopper is used to introduce dust into the box body; A collecting assembly is installed in the box and is used to collect dust discharged from the dust hopper. The collecting assembly can be shaken to evenly distribute the dust therein. A guide plate fixed to the inner wall of the box is provided on the upper side of the collecting assembly. An extension tube connected to the air inlet end of the dust suction tube, a second placement plate that can be placed on the storage mechanism is fixed on the extension tube, and a handle fixed to the extension tube is arranged on the upper side of the second placement plate; A dust collector head is mounted on the air inlet end of the extension tube, and a scraper for scraping dust is fixed on the dust collector head; An air pump is installed on the top of the box and connected to the dust suction pipe, and is used to suck dust from the dust suction head into the collection assembly for storage; The baffle is fixedly installed at the air outlet of the box body, a filter screen placed in the air outlet is arranged on one side of the baffle, and a bolt for pressing the filter screen onto the baffle is arranged on one side of the filter screen, and the bolt has an air vent.

5. The cleaning mechanism for a molding screw machine according to claim 4, characterized in that: The collection component comprises: The base is fixedly mounted on the inner wall of the box, a power piece is mounted on the base, and a cam is fixedly connected to the output shaft of the power piece; The two ends of the slide bar are fixedly connected to the inner walls of the box body, a slide plate is sleeved on the slide bar, the cam and the slide plate are in sliding contact, and a return spring is fixedly connected between the slide plate and the inner wall of the box body; A reciprocating plate is inserted into the guide groove of the box body and fixedly connected to the slide plate. A guide wheel seat is installed on the reciprocating plate, and a limit plate fixed to the reciprocating plate is arranged on one side of the guide wheel seat; A pull plate is arranged in cooperation with the entrance and exit of the box body, a sleeve is fixedly arranged on the pull plate, a sleeve rod is slidably arranged on the sleeve, a collection box for collecting dust is fixed on the sleeve rod, a wheel groove which is arranged in cooperation with the guide wheel seat is arranged at the bottom of the collection box, and a compression spring is fixedly connected between the collection box and the sleeve.

6. The cleaning mechanism for a molding screw machine according to claim 1, characterized in that: The storage mechanism comprises: A storage slot is fixedly mounted on the column and has a pull-out port, a guide sleeve is fixedly arranged on the inner wall of the storage slot, a guide rod is slidably arranged on the guide sleeve, an arc plate is fixedly arranged on the guide rod, and a top spring is fixedly connected between the arc plate and the guide sleeve; The protective cover is fixedly installed on both sides of the storage slot, and a limiting component passing through the pull-out port is installed on the protective cover.

7. The cleaning mechanism for a molding screw machine according to claim 6, characterized in that: The limiting component comprises: A stabilizing rod, both ends of which are fixedly connected to the inner wall of the protective cover and the storage slot respectively, a stabilizing plate is sleeved on the stabilizing rod, and a clamping block is fixedly arranged on the stabilizing plate; A push spring, the two ends of which are respectively fixedly connected to the protective cover and the stabilizing plate, and are used to push the block to move so as to limit the ends of the wetting mechanism and the dust collecting mechanism; The control handle is fixedly connected to the stabilizing plate and is used to pull the blocks on both sides away from each other so as to take out the ends of the wetting mechanism and the dust collecting mechanism.

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