CN220072608U

CN220072608U - Washing filter for workpiece machining

Info

Publication number: CN220072608U
Application number: CN202321714449.5U
Authority: CN
Inventors: 杜江; 刘国华; 王兴
Original assignee: Chongqing Jinpeng Metal Surface Treatment Co ltd
Current assignee: Chongqing Jinpeng Metal Surface Treatment Co ltd
Priority date: 2023-06-30
Filing date: 2023-06-30
Publication date: 2023-11-24
Anticipated expiration: 2033-06-30

Abstract

The utility model discloses a washing filter for workpiece processing, which comprises a cleaner main body and a motor, wherein an inclined plate is arranged in the cleaner main body, and the washing filter further comprises: the driving mechanism is positioned in the cleaner body; the linkage mechanism is positioned below the driving mechanism and used for driving the pinion to move; the synchronous mechanism is positioned on the outer ring of the driving shaft, the outer ring of the driving shaft is fixedly connected with a large gear, and the large gear is meshed with the small gear and used for driving the small gear to rotate. This wash filter is annular orbit motion through starter motor drive bottom plate and through connecting rod one and bottom plate fixed connection's backup pad, and then drives the pinion of backup pad top through the universal driving shaft connection and be annular orbit motion equally, the clearance when being convenient for the shaft part motion in the washing tank like this, meshes with the gear wheel simultaneously at the in-process that the pinion removed, and then drives the rotation of pinion to drive the rotation of washing tank and shaft part, the cleaning performance is better like this.

Description

Washing filter for workpiece machining

Technical Field

The utility model relates to the field of workpiece processing, in particular to a water-washing filter for workpiece processing.

Background

In the process of electroplating processing of shaft parts, impurities on the surfaces of the shaft parts are generally required to be cleaned in advance, so that the electroplating effect is better during electroplating, and the surface impurities of the shaft parts are generally removed by adopting a flowing water source flushing mode during the process of cleaning the shaft parts.

The prior Chinese patent publication number is: CN215278802U provides a work piece cleaning device, wherein, comprises a box body, the inside water storage chamber that has seted up of box, washs the chamber and catchments the chamber, the first recess has been seted up to the bottom of wasing the intracavity wall, first recess inner wall fixedly connected with biax motor, fixedly connected with first lead screw and second lead screw on two output shafts of biax motor respectively. The workpiece cleaning equipment has the beneficial effects that the workpiece cleaning equipment works through the driving motor, the workpiece can be driven to rotate through the clamping plate, the aim of rotating and cleaning the workpiece can be achieved by means of the cooperation of the cleaning spray heads, the omnidirectional cleaning of the workpiece is realized, the cleaning effect is guaranteed, the second electric push rod in the adjusting assembly works, the cleaning spray heads can be driven to move left and right by means of the action of the first pin shaft and the second pin shaft, the aim of adjusting the spraying angle and the position of the cleaning spray heads is achieved, and the aim of multi-angle cleaning of the workpiece is achieved.

The workpiece cleaning device can clamp the workpiece to change the angle when in use, so as to achieve the aim of cleaning the workpiece at multiple angles, but has the following problems when in use: the workpiece cleaning equipment is used for clamping the workpiece by pushing the movable plate to move only through the electric push rod, but is inconvenient when clamping shaft workpieces, and the number of shaft workpieces which can be cleaned at one time is small, so that the cleaning is required for a plurality of times, the waste of water resources can be caused, and meanwhile, the filter plate is used for filtering a water source, impurities which are flushed down possibly block the sewage of the filter plate, so that the water source filtering efficiency is low.

Therefore, it is necessary to invent a water-washing filter for processing workpieces to solve the above problems.

Disclosure of Invention

The utility model aims to provide a washing filter for workpiece processing, which is used for solving the problems that when the workpiece cleaning device is used, the workpiece is clamped by pushing a moving plate to move only by virtue of an electric push rod, but the workpiece is inconvenient to clamp shaft workpieces, the number of shaft workpieces which can be cleaned at one time is small, the cleaning is required for a plurality of times, water resources are wasted, and the filter plate is blocked by impurities washed down in the process of filtering a water source, so that the water source filtering efficiency is low.

In order to achieve the above object, the present utility model provides the following technical solutions: the utility model provides a work piece processing is with washing filter, includes cleaning machine main part and motor, the inside swash plate that is provided with of cleaning machine main part still includes:

the driving mechanism is positioned in the cleaning machine main body, the output shaft of the motor is connected with a driving shaft in a transmission way, and the outer ring of the driving shaft is fixedly sleeved with a bottom plate for driving the bottom plate to rotate;

the linkage mechanism is positioned below the driving mechanism, the upper part of the bottom plate is fixedly connected with the supporting plate through the first connecting rod, the upper part of the supporting plate is provided with the linkage shaft, and the outer ring of the linkage shaft is fixedly sleeved with the pinion gear for driving the pinion gear to move;

the synchronous mechanism is positioned on the outer ring of the driving shaft, the outer ring of the driving shaft is fixedly connected with a large gear, and the large gear is meshed with the small gear and used for driving the small gear to rotate.

Preferably, the cleaning machine main body includes:

the shell is columnar, two access holes are formed in the shell, and two doors are movably connected to the outer part of the shell through hinges;

the water tank is fixedly connected to the inner wall of the shell and used for storing water required by cleaning;

the spray heads are provided with four in number and are fixedly connected to water outlets below the outer part of the water tank;

the two ports of the communicating water pipe are fixedly connected with the bottom of the shell and the top of the water tank respectively, and a water pump is arranged outside the communicating water pipe and used for pumping water;

the liquid inlet is formed in the top of the water tank and is used for adding a water source.

Preferably, the driving mechanism includes:

the top of the motor is fixedly connected to the lower part outside the water tank;

the output shaft of the motor is connected with a driving shaft in a transmission way;

the bottom plate, the inside has offered and has drawn out the region, the drive shaft runs through the bottom plate inner circle and with bottom plate fixed connection, and the outer lane of bottom plate is in the ring channel that the shell inner wall preset for play the support to the bottom plate.

Preferably, the linkage mechanism comprises:

the first connecting rods are arranged in number, and the bottoms of the first connecting rods are fixedly connected to the top wall of the bottom plate;

the first connecting rod is fixedly connected with the bottom of the supporting plate, and the inner ring of the supporting plate is hollow;

the number of the linkage shafts is 5, the 5 linkage shafts are arranged on the top wall of the supporting plate at equal angles, the bottom of the linkage shaft penetrates through the top wall of the supporting plate, and the linkage shafts are rotationally connected with the penetrating ports through bearings;

the number of the pinions is 5, and the pinions are fixedly sleeved on the outer ring of the linkage shaft;

the washing tank is cylindric fixed connection at the roof of pinion, and the inside of washing tank has evenly seted up the weeping hole for the outflow of water.

Preferably, the synchronization mechanism includes:

the large gear is sleeved on the outer ring of the driving shaft, the driving shaft penetrates through the large gear, the driving shaft is rotationally connected with the penetrating opening through a bearing, the surface of the large gear is flush with the surface of the small gear, and the large gear is meshed with the small gear;

and the second connecting rod is fixedly connected with the top of the large gear, and the top of the second connecting rod is fixedly connected with the bottom of the water tank and used for fixing the large gear.

Preferably, the inclined plate is high in periphery and low in middle, holes are formed in the inclined plate, and a filtering mechanism is arranged below the inclined plate.

Preferably, the filtering mechanism comprises

The filter plate is arranged below the holes in the inclined plate and is contacted with the bottom of the inclined plate, a cleaning brush is attached to the upper surface of the filter plate, and the top of the cleaning brush is fixedly connected with the bottom of the driving shaft and used for driving the cleaning brush to rotate;

the movable grooves are formed in the two sides of the inside of the filter plate and penetrate through the bottom of the filter plate;

the two ends of the rotating shaft are fixedly connected to the two side walls of the movable groove, the outer ring of the rotating shaft is sleeved with a torsion spring, and one end of the torsion spring is fixedly connected with the inner wall of the movable groove;

the clamping block is sleeved on the outer ring of the rotating shaft, the other end part of the torsion spring of the outer ring of the rotating shaft is fixedly connected with the outer surface of the clamping block, and the clamping block is U-shaped;

and the vertical plate is internally provided with a groove for clamping the end part of the clamping block, the top of the vertical plate is fixedly connected to the lower part of the filter plate, and the vertical plate is arranged beside the clamping block and is used for clamping and fixing the clamping block.

In the technical scheme, the utility model has the technical effects and advantages that:

1. the motor is started to drive the bottom plate and the supporting plate fixedly connected with the bottom plate through the connecting rod to move in an annular track, so that the pinion connected with the upper side of the supporting plate through the linkage shaft is driven to move in the annular track, the cleaning of shaft parts in the cleaning tank is facilitated, meanwhile, the pinion is meshed with the large gear in the moving process of the pinion, and the pinion is driven to rotate, so that the cleaning tank and the shaft parts are driven to rotate, and the cleaning effect is better;

2. the water after the washing is accomplished filters to the bottom of shell through the filter, when the time course of use of filter needs to be changed, only need stir the fixture block can, drive the cleaning brush simultaneously at drive shaft pivoted in-process and stir some impurity of filter upper surface, avoid impurity always to be in the offal of the same position hindrance filter, influence filter effect, like this for filtration speed is faster, and efficiency is higher

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings required for the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments described in the present utility model, and other drawings may be obtained according to these drawings for a person having ordinary skill in the art.

FIG. 1 is a perspective view of a first view of the overall structure of the present utility model;

FIG. 2 is a second perspective view of the overall structure of the present utility model;

FIG. 3 is a first perspective view of the utility model in a cut-away view of the interior of the overall structure;

FIG. 4 is a second perspective view of the utility model in a cut-away view of the interior of the overall structure;

FIG. 5 is an exploded view of the internal structure of the present utility model;

FIG. 6 is a perspective view of a linkage structure and synchronization mechanism connection structure of the present utility model;

FIG. 7 is a perspective view showing the connection structure of the swash plate and the filter mechanism according to the present utility model;

fig. 8 is a perspective view of a driving mechanism, a swash plate and a filter mechanism according to the present utility model in a cut-away state.

Reference numerals illustrate:

1. a cleaner body; 101. a housing; 102. a water tank; 103. a spray head; 104. a communicating water pipe; 105. a liquid inlet; 2. a driving mechanism; 201. a motor; 202. a drive shaft; 203. a bottom plate; 3. a linkage mechanism; 301. a first connecting rod; 302. a support plate; 303. a linkage shaft; 304. a pinion gear; 305. a cleaning tank; 4. a synchronizing mechanism; 401. a large gear; 402. a second connecting rod; 5. a sloping plate; 6. a filtering mechanism; 601. a filter plate; 602. a movable groove; 603. a rotating shaft; 604. a clamping block; 605. a vertical plate; 7. a cleaning brush.

Detailed Description

In order to make the technical scheme of the present utility model better understood by those skilled in the art, the present utility model will be further described in detail with reference to the accompanying drawings.

The utility model provides a workpiece processing water-washing filter as shown in figures 1-8, which comprises a cleaner body 1 and a motor 201, wherein a sloping plate 5 is arranged in the cleaner body 1, and the workpiece processing water-washing filter further comprises:

the driving mechanism 2 is positioned in the cleaner body 1, an output shaft of the motor 201 is connected with a driving shaft 202 in a transmission way, and an outer ring of the driving shaft 202 is fixedly sleeved with a bottom plate 203 for driving the bottom plate 203 to rotate;

the linkage mechanism 3 is positioned below the driving mechanism 2, a supporting plate 302 is fixedly connected above the bottom plate 203 through a first connecting rod 301, a linkage shaft 303 is arranged above the supporting plate 302, and a pinion 304 is fixedly sleeved on the outer ring of the linkage shaft 303 and used for driving the pinion 304 to move;

the synchronizing mechanism 4 is located on the outer ring of the driving shaft 202, the outer ring of the driving shaft 202 is fixedly connected with a large gear 401, and the large gear 401 is meshed with the small gear 304 and is used for driving the small gear 304 to rotate.

The cleaning machine main body 1 comprises:

the shell 101 is columnar, two access holes are formed in the shell, and two doors are movably connected to the outside of the shell through hinges;

a water tank 102 fixedly connected to the inner wall of the housing 101 for storing water required for cleaning;

the spray heads 103 are provided with four in number and are fixedly connected to a water outlet below the outer part of the water tank 102, and are used for spraying water in the water tank 102 out of the cleaning shaft;

the two ports of the communicating water pipe 104 are fixedly connected with the bottom of the shell 101 and the top of the water tank 102 respectively, and a water pump is arranged outside the communicating water pipe 104 and used for pumping water at the bottom of the shell 101 into the water tank 102 for repeated use, so that the water tank is more economical and environment-friendly;

a liquid inlet 105 is formed at the top of the water tank 102 for adding water source.

The driving mechanism 2 includes:

the motor 201, the top is fixedly connected to the outside lower part of the water tank 102;

a driving shaft 202, and the driving shaft 202 is connected with the output shaft of the motor 201 in a transmission way;

the bottom plate 203 is internally provided with a hollowed-out area, the driving shaft 202 penetrates through the inner ring of the bottom plate 203 and is fixedly connected with the bottom plate 203, and the outer ring of the bottom plate 203 is arranged in an annular groove preset on the inner wall of the shell 101 and used for supporting the bottom plate 203.

The linkage mechanism 3 comprises:

the first connecting rods 301 are arranged in number, and the bottoms of the first connecting rods 301 are fixedly connected to the top wall of the bottom plate 203;

the supporting plate 302 is positioned above the bottom plate 203, the top of the first connecting rod 301 is fixedly connected with the bottom of the supporting plate 302, and the inner ring of the supporting plate 302 is hollow, so that the supporting plate 302 is driven to move in the process that the bottom plate 203 rotates along with the driving shaft 202;

the number of the linkage shafts 303 is 5, the 5 linkage shafts 303 are distributed on the top wall of the supporting plate 302 at equal angles, the bottom of the linkage shaft 303 penetrates through the top wall of the supporting plate 302, and the linkage shafts 303 are rotatably connected with the penetrating ports through bearings;

the number of the pinions 304 is 5, and the pinions 304 are fixedly sleeved on the outer ring of the linkage shaft 303;

the washing tank 305 is cylindric fixed connection at the roof of pinion 304, and the inside of washing tank 305 has evenly seted up the weeping hole for the outflow of water, and is convenient for place the shaft part in washing tank 305 inside and be used for spacing to the shaft part, the washing of being convenient for.

The synchronizing mechanism 4 comprises:

the large gear 401 is sleeved on the outer ring of the driving shaft 202, the driving shaft 202 penetrates through the inside of the large gear 401, the driving shaft 202 is rotationally connected with the penetrating opening through a bearing, the surface of the large gear 401 is flush with the surface of the small gear 304, and the large gear 401 is meshed with the small gear 304;

and the second connecting rod 402 is fixedly connected to the top of the large gear 401 at the bottom end, and is fixedly connected to the bottom of the water tank 102 at the top end, and is used for fixing the large gear 401, so that the small gear 304 is meshed with the large gear 401 when moving in a ring shape, and the small gear 304 is driven to rotate.

The inclined plate 5 is high in periphery and low in middle, holes are formed in the inclined plate 5, and a filtering mechanism 6 is arranged below the inclined plate 5, so that water can flow down from a slope to enter the filtering plate 601 for filtering.

The filtering mechanism 6 comprises

The filter plate 601 is arranged below the holes in the inclined plate 5 and is contacted with the bottom of the inclined plate 5, the cleaning brush 7 is attached to the upper surface of the filter plate 601, and the top of the cleaning brush 7 is fixedly connected with the bottom of the driving shaft 202 and is used for driving the cleaning brush 7 to rotate;

the movable grooves 602 are formed in two inner side positions of the filter plate 601, and the movable grooves 602 penetrate through the bottom of the filter plate 601;

the two ends of the rotating shaft 603 are fixedly connected to the two side walls of the movable groove 602, a torsion spring is sleeved on the outer ring of the rotating shaft 603, and one end of the torsion spring is fixedly connected with the inner wall of the movable groove 602;

the clamping block 604 is sleeved on the outer ring of the rotating shaft 603, the other end part of the torsion spring of the outer ring of the rotating shaft 603 is fixedly connected with the outer surface of the clamping block 604, and the clamping block 604 is U-shaped;

the riser 605, the inside groove that supplies fixture block 604 tip block, and the top fixed connection of riser 605 is in the below of filter 601, and riser 605 sets up the side at fixture block 604 for the block of fixture block 604 is fixed, is convenient for stir the fixture block 604 and then drives the installation and the dismantlement of filter 601 like this, in time changes filter 601, guarantees the filter effect.

Working principle: when the water washing filter for workpiece processing is used, firstly, a door positioned at the upper position outside the shell 101 is opened, the motor 201 is started, the motor 201 drives the driving shaft 202 which is in transmission connection with the output shaft to rotate, the bottom plate 203 which is fixedly sleeved on the outer ring of the driving shaft 202 is further rotated, the movement of the supporting plate 302 which is fixedly connected with the top of the bottom plate 203 through the first connecting rod 301 is driven in the rotating process of the bottom plate 203, thus, the pinion 304 which is connected with the supporting plate 302 through the linkage shaft 303 is driven to move along with the movement position of the supporting plate 302, the pinion 304 takes a circular movement track, a columnar washing tank 305 is fixedly connected above the outer part of the pinion 304, a shaft piece to be washed is vertically placed in the washing tank 305, the door is closed, then the spray head 103 is started, water sprayed out through the spray head 103 has a certain pressure, and the outer surface of the shaft piece is washed and washed, meanwhile, in the annular movement process of the pinion 304, the pinion 304 is meshed with the large gear 401 fixedly connected below the water tank 102 through the second connecting rod 402, and when the pinion 304 moves in an annular movement track, the pinion 304 is meshed with the large gear 401 at a fixed position, so that the pinion 304 is driven to rotate automatically, the cleaning tank 305 fixedly connected with the top of the pinion 304 is driven to rotate, and the shaft element of the inner ring of the cleaning tank 305 is driven to rotate, so that the shaft element moves annularly and is subjected to self-rotation type cleaning, the cleaning effect is better, meanwhile, the water left after cleaning flows above the inclined plate 5 and is filtered to the bottom of the shell 101 through the inclined plane of the inclined plate 5, the filtered water is pumped back to the inside of the water tank 102 through the communicating water pipe 104 and an external water pump, so that the water can be recycled, simultaneously, the rotation of the cleaning brush 7 which drives the bottom of the cleaning brush to be fixedly connected drives the rotation of the driving shaft 202 to stir impurities above the filter plate 601, the phenomenon that the filter plate 601 is blocked to cause unsmooth water is avoided, meanwhile, the filter plate 601 needs to be replaced for a certain time, at the moment, the door with two hands close to the lower side of the shell 101 is opened, the clamping blocks 604 are oppositely stirred, the clamping blocks 604 rotate around the rotating shaft 603 to enable the other end parts of the clamping blocks 604 to leave the clamping grooves in the vertical plate 605, the filter plate 601 is detached, when the filter plate 601 needs to be installed, only the clamping blocks 604 are needed to be oppositely stirred again to enable the other end parts of the clamping blocks 604 to move downwards, then the filter plate 601 is placed below the holes of the sloping plate 5, the clamping blocks 604 are loosened, at the moment, the torsion springs on the outer ring of the rotating shaft 603 start to reset to enable the clamping blocks 604 to be reset and clamped in the grooves in the vertical plate 605, and the filter plate 601 is fixed, so that replacement and installation are convenient.

While certain exemplary embodiments of the present utility model have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that modifications may be made to the described embodiments in various different ways without departing from the spirit and scope of the utility model. Accordingly, the drawings and description are to be regarded as illustrative in nature and not as restrictive of the scope of the utility model, which is defined by the appended claims.

Claims

1. The utility model provides a washing filter for work piece processing, includes cleaning machine main part (1) and motor (201), cleaning machine main part (1) inside is provided with swash plate (5), its characterized in that still includes:

the driving mechanism (2) is positioned in the cleaning machine main body (1), an output shaft of the motor (201) is connected with a driving shaft (202) in a transmission way, and an outer ring of the driving shaft (202) is fixedly sleeved with a bottom plate (203) for driving the bottom plate (203) to rotate;

the linkage mechanism (3) is positioned below the driving mechanism (2), a supporting plate (302) is fixedly connected above the bottom plate (203) through a first connecting rod (301), a linkage shaft (303) is arranged above the supporting plate (302), and a pinion (304) is fixedly sleeved on the outer ring of the linkage shaft (303) and used for driving the pinion (304) to move;

the synchronous mechanism (4) is positioned on the outer ring of the driving shaft (202), the outer ring of the driving shaft (202) is fixedly connected with a large gear (401), and the large gear (401) is meshed with the small gear (304) and is used for driving the small gear (304) to rotate.

2. A washing filter for workpiece processing according to claim 1, characterized in that the cleaning machine body (1) comprises:

the shell (101) is columnar, two access holes are formed in the shell, and two doors are movably connected to the outside of the shell through hinges;

the water tank (102) is fixedly connected to the inner wall of the shell (101) and is used for storing water required by cleaning;

the spray heads (103) are provided with four in number and are fixedly connected to a water outlet below the outer part of the water tank (102);

the two ends of the communicating water pipe (104) are fixedly connected with the bottom of the shell (101) and the top of the water tank (102) respectively, and a water pump is arranged outside the communicating water pipe (104) and used for pumping water;

the liquid inlet (105) is arranged at the top of the water tank (102) and is used for adding a water source.

3. A washing filter for machining workpieces according to claim 1, characterized in that the drive mechanism (2) comprises:

the top of the motor (201) is fixedly connected to the lower part outside the water tank (102);

a driving shaft (202), wherein the driving shaft (202) is connected with the output shaft of the motor (201) in a transmission way;

the bottom plate (203) is internally provided with a hollowed-out area, the driving shaft (202) penetrates through the inner ring of the bottom plate (203) and is fixedly connected with the bottom plate (203), and the outer ring of the bottom plate (203) is arranged in an annular groove preset in the inner wall of the shell (101) and used for supporting the bottom plate (203).

4. A washing filter for machining workpieces according to claim 1, characterized in that the linkage (3) comprises:

the first connecting rods (301) are arranged in number, and the bottoms of the first connecting rods (301) are fixedly connected to the top wall of the bottom plate (203);

the supporting plate (302) is positioned above the bottom plate (203), the top of the first connecting rod (301) is fixedly connected with the bottom of the supporting plate (302), and the inner ring of the supporting plate (302) is hollow;

the number of the linkage shafts (303) is 5, the 5 linkage shafts (303) are equiangularly distributed on the top wall of the supporting plate (302), the bottom of the linkage shaft (303) penetrates through the top wall of the supporting plate (302), and the linkage shafts (303) are rotatably connected with the penetrating ports through bearings;

the number of the pinions (304) is 5, and the pinions (304) are fixedly sleeved on the outer ring of the linkage shaft (303);

the cleaning tank (305) is in a cylindrical shape and fixedly connected to the top wall of the pinion (304), and leak holes are uniformly formed in the cleaning tank (305) and used for outflow of water.

5. A washing filter for machining workpieces according to claim 1, characterized in that the synchronizing mechanism (4) comprises:

the large gear (401) is sleeved on the outer ring of the driving shaft (202), the driving shaft (202) penetrates through the large gear (401), the driving shaft (202) is rotationally connected with the penetrating opening through a bearing, the surface of the large gear (401) is flush with the surface of the small gear (304), and the large gear (401) is meshed with the small gear (304);

and the second connecting rod (402) is fixedly connected to the top of the large gear (401) at the bottom, and the top is fixedly connected to the bottom of the water tank (102) and used for fixing the large gear (401).

6. The water washing filter for workpiece processing according to claim 1, wherein the sloping plate (5) is high in circumference and low in middle, holes are formed in the sloping plate (5), and a filtering mechanism (6) is arranged below the sloping plate (5).

7. A washing filter for machining workpieces according to claim 6, characterized in that the filter means (6) comprises

The filter plate (601) is arranged below the inner holes of the inclined plate (5) and is contacted with the bottom of the inclined plate (5), a cleaning brush (7) is attached to the upper surface of the filter plate (601), and the top of the cleaning brush (7) is fixedly connected with the bottom of the driving shaft (202) and used for driving the cleaning brush (7) to rotate;

the movable grooves (602) are formed in two inner side positions of the filter plate (601), and the movable grooves (602) penetrate through the bottom of the filter plate (601);

the two ends of the rotating shaft (603) are fixedly connected to the two side walls of the movable groove (602), a torsion spring is sleeved on the outer ring of the rotating shaft (603), and one end of the torsion spring is fixedly connected with the inner wall of the movable groove (602);

the clamping block (604) is sleeved on the outer ring of the rotating shaft (603), the other end part of the torsion spring of the outer ring of the rotating shaft (603) is fixedly connected with the outer surface of the clamping block (604), and the clamping block (604) is U-shaped;

the vertical plate (605) is internally provided with a groove for clamping the end part of the clamping block (604), the top of the vertical plate (605) is fixedly connected below the filter plate (601), and the vertical plate (605) is arranged beside the clamping block (604) and is used for clamping and fixing the clamping block (604).