CN213854833U

CN213854833U - Reducing mechanism is used in maize processing

Info

Publication number: CN213854833U
Application number: CN202021669009.9U
Authority: CN
Inventors: 贾睿瑜
Original assignee: Liaoning Light Industry Design Institute Co ltd
Current assignee: Liaoning Light Industry Design Institute Co ltd
Priority date: 2020-08-12
Filing date: 2020-08-12
Publication date: 2021-08-03
Anticipated expiration: 2030-08-12

Abstract

The utility model provides a reducing mechanism is used in maize processing, including the device casing, the equal fixed mounting in bottom side surface four corners position of device casing has the support frame, the equal fixed mounting in bottom side surface of support frame has the base, the bottom side surface area of base all is greater than the bottom side surface area of support frame, the inside upper end fixed mounting of device casing has the unloading room, the inside upper end fixed mounting of device casing has first crushing room, lower extreme fixed mounting has the crushing room of second in the inside of device casing, the inside lower extreme fixed mounting of device casing has the receipts material room, the inside fixed mounting of unloading room has down the hopper, the hinge is installed in the rotation of lower hopper top side surface left end position, the right side surface fixed mounting of hinge has the top cap. The utility model discloses can play and carry out two crushing processes, make the maize granule thoroughly smashed, improve the machining efficiency to the maize, shorten long to the processing of maize, improve crushing quality, satisfy the effect of demand.

Description

Reducing mechanism is used in maize processing

Technical Field

The utility model relates to a maize processing field specifically is a reducing mechanism is used in maize processing.

Background

Corn is one of the major food products for human planting, but corn is a staple food other than corn, which is rarely used in whole grain, and most often the corn particles are ground and then eaten as a food made of corn flour or fed to animals. Therefore, a crushing device for corn processing is used in the production and processing of corn.

However, the reducing mechanism for corn processing among the prior art, owing to can only carry out once smashing, lead to the maize to smash thoroughly inadequately, still need the later stage to choose not smashed good kernel of corn in order to carry out the repulverize and lead to machining efficiency low, prolonged long to the processing of maize, kibbling quality is low moreover, can't satisfy the demand.

SUMMERY OF THE UTILITY MODEL

Problem (A)

Not enough to prior art exists, the utility model provides a reducing mechanism is used in maize processing aims at solving a reducing mechanism is used in maize processing among the prior art and has to carry out once smashing when smashing, leads to the maize to smash thoroughly inadequately, still needs the later stage to choose not smashed good kernel of corn in order to carry out the repulverize and lead to machining efficiency low, and it is long when having prolonged the processing to the maize, and kibbling quality is low moreover, can't satisfy the technical problem of demand.

(II) technical scheme

In order to solve the technical problem, the utility model adopts the following technical scheme: the corn processing crushing device comprises a device shell, wherein support frames are fixedly arranged at four corners of the outer surface of the bottom side of the device shell, bases are fixedly arranged on the outer surface of the bottom side of the support frames, the outer surface area of the bottom side of each base is larger than that of the outer surface of the bottom side of the support frame, a blanking chamber is fixedly arranged at the upper end of the inner part of the device shell, a first crushing chamber is fixedly arranged at the upper end of the inner part of the device shell, a second crushing chamber is fixedly arranged at the middle and lower end of the inner part of the device shell, a material receiving chamber is fixedly arranged at the lower end of the inner part of the device shell, a blanking hopper is fixedly arranged in the blanking chamber, a hinge is rotatably arranged at the left end of the outer surface of the top side of the blanking hopper, a top cover is fixedly arranged on the outer surface of the right side of the hinge, a handle is fixedly arranged at the middle position of the outer surface of the top side of the top cover, the handle controls the opening and closing of the top cover through rotating the hinge leftwards and rightwards, the baffle is arranged on the outer surface of the bottom side of the lower hopper in a sliding mode, a first main crushing shaft is arranged at the front end and the rear end of the inner left end of the first crushing chamber in a rotating mode in the horizontal direction to the central position, a first main crushing roller is fixedly arranged on the outer surface of the first main crushing shaft in a surrounding mode, crushing blades are fixedly arranged on the outer surface of the first main crushing roller in a surrounding mode in a dividing mode, the number of the crushing blades is 16 on one longitudinal section, a first main motor box is fixedly arranged at the left end central position of the outer surface of the rear side of the first crushing chamber, a first main driving motor is fixedly arranged inside the first main motor box, a first main driving shaft is rotatably arranged at the front end and the rear end of the first main driving motor in the horizontal direction to the central position, and the front end of the first main driving shaft is fixedly connected with the rear end of the first main crushing shaft, the horizontal rotation of the front and back right end of the inside of the first crushing chamber is provided with a first auxiliary crushing shaft to the central position, the outer surface of the first auxiliary crushing shaft is provided with a first auxiliary crushing roller around the fixed mounting, the outer surface of the first auxiliary crushing roller is also provided with a crushing blade around the row fixed mounting, the central position of the right end of the outer surface of the back side of the first crushing chamber is provided with a first auxiliary motor box fixedly, the inside of the first auxiliary motor box is provided with a first auxiliary driving motor, the front and back horizontal rotation of the front end of the first auxiliary driving motor is provided with a first auxiliary driving shaft to the central position, the front end of the first auxiliary driving shaft is fixedly connected with the back end of the first auxiliary crushing shaft, the front and back horizontal rotation of the left end of the inside of the second crushing chamber is provided with a second main crushing shaft to the central position, and the outer surface of the second main crushing shaft is provided with a second main crushing roller around the fixed mounting, a second main motor box is fixedly installed at the left end central position of the rear outer surface of the second crushing chamber, a second main driving motor is fixedly installed inside the second main motor box, a second main driving shaft is installed in the front and rear horizontal directions of the front end of the second main driving motor, the front end of the second main driving shaft is fixedly connected with the rear end of the second main crushing shaft, a second auxiliary crushing shaft is installed in the front and rear horizontal directions of the inner right end of the second crushing chamber, a second auxiliary crushing roller is fixedly installed on the outer surface of the second auxiliary crushing shaft in a surrounding manner, a second auxiliary motor box is fixedly installed at the central position of the rear outer surface right end of the second crushing chamber, a second auxiliary driving motor is fixedly installed inside the second auxiliary motor box, and a second auxiliary driving shaft is installed in the front and rear horizontal directions of the front end of the second auxiliary driving motor in a rotating manner, the front end of the vice drive shaft of second with the rear end fixed connection of the vice crushing shaft of second, the bottom side surface slidable mounting of room is smashed to the second has the filter screen, the filter screen is for filtering and collect a small amount of maize straw and not kibbling maize large granule, the left side surface central point fixed mounting who receives the material room has the receipts material handle, receive the material handle through the horizontal slip and control receive taking out and putting into of material room.

Preferably, a baffle handle is fixedly installed on the outer surface of the left side of the baffle vertically towards the middle end, and the baffle handle controls the blanking and stopping of the blanking hopper by sliding the baffle left and right.

Preferably, a first main switch is fixedly installed at the central position of the outer surface of the rear side of the first main motor box, and the first main switch is electrically connected with an external power supply to control the start and stop of the first main driving motor.

Preferably, a first auxiliary switch is fixedly installed at the central position of the outer surface of the rear side of the first auxiliary motor box, and the first auxiliary switch controls the starting and stopping of the first auxiliary driving motor by being electrically connected with an external power supply.

Preferably, a second main switch is fixedly installed at the central position of the outer surface of the rear side of the second main motor box, and the second main switch is electrically connected with an external power supply to control the start and stop of the second main driving motor.

Preferably, a second auxiliary switch is fixedly installed at the central position of the outer surface of the rear side of the second auxiliary motor box, and the second auxiliary switch controls the starting and stopping of the second auxiliary driving motor through electric connection with an external power supply.

Preferably, a filtering handle is fixedly arranged at the position of the vertical middle end of the outer surface of the left side of the filtering net, and the filtering handle controls the taking out and putting in of the filtering net through sliding left and right.

(III) advantageous effects

The crushing device for corn processing can carry out two crushing processes through the combined cooperation of a first crushing chamber, a second crushing chamber, a material receiving chamber, a blanking hopper, a hinge, a top cover, a handle, a baffle handle, a first main crushing shaft, a first main crushing roller, a crushing blade, a first main motor box, a first main driving motor, a first main driving shaft, a first main switch, a first auxiliary crushing shaft, a first auxiliary crushing roller, a first auxiliary motor box, a first auxiliary driving motor, a first auxiliary driving shaft, a first auxiliary switch, a second main crushing shaft, a second main crushing roller, a second main driving motor, a second main driving shaft, a second main switch, a second auxiliary crushing shaft, a second auxiliary crushing roller, a second auxiliary motor box, a second auxiliary driving motor, a second auxiliary driving shaft, a second auxiliary switch, a filter screen and a filter handle, so that corn particles are completely crushed, and still set up the filter screen and prevent that not kibbling maize granule from falling into the material receiving room, improved the machining efficiency to the maize, shortened long time to the processing of maize, improved crushing quality, satisfied the demand.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a left side view of the present invention;

fig. 3 is a right side view of the present invention.

In the figure: 1-device shell, 2-support frame, 3-base, 4-blanking chamber, 5-first crushing chamber, 6-second crushing chamber, 7-receiving chamber, 8-blanking hopper, 9-hinge, 10-top cover, 11-handle, 12-baffle, 13-baffle handle, 14-first main crushing shaft, 15-first main crushing roller, 16-crushing blade, 17-first main motor box, 18-first main driving motor, 19-first main driving shaft, 20-first main switch, 21-first auxiliary crushing shaft, 22-first auxiliary crushing roller, 23-first auxiliary motor box, 24-first auxiliary driving motor, 25-first auxiliary driving shaft, 26-first auxiliary switch, 27-second main crushing shaft, 28-a second main crushing roller, 29-a second main motor box, 30-a second main driving motor, 31-a second main driving shaft, 32-a second main switch, 33-a second auxiliary crushing shaft, 34-a second auxiliary crushing roller, 35-a second auxiliary motor box, 36-a second auxiliary driving motor, 37-a second auxiliary driving shaft, 38-a second auxiliary switch, 39-a filter screen, 40-a filter handle and 41-a material receiving handle.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

As shown in fig. 1 to 3:

the utility model provides a corn processing crushing device, which comprises a device shell 1, wherein four corners of the outer surface of the bottom side of the device shell 1 are fixedly provided with a support frame 2, the outer surface of the bottom side of the support frame 2 is fixedly provided with a base 3, the outer surface area of the bottom side of the base 3 is larger than that of the outer surface of the bottom side of the support frame 2, the inner upper end of the device shell 1 is fixedly provided with a blanking chamber 4, the inner middle upper end of the device shell 1 is fixedly provided with a first crushing chamber 5, the inner middle lower end of the device shell 1 is fixedly provided with a second crushing chamber 6, the inner lower end of the device shell 1 is fixedly provided with a material receiving chamber 7, the inner part of the blanking chamber 4 is fixedly provided with a blanking hopper 8, the outer surface of the top side of the blanking hopper 8 is rotatably provided with a hinge 9 at the left end position, the outer surface of the right side of the hinge 9 is fixedly provided with a top cover 10, and the handle 11 is fixedly provided at the middle position of the outer surface of the top side of the top cover 10, the handle 11 controls the opening and closing of the top cover 10 by rotating the hinge 9 left and right, the outer surface of the bottom side of the lower hopper 8 is slidably provided with a baffle 12, the left end of the inner part of the first crushing chamber 5 is rotatably provided with a first main crushing shaft 14 horizontally in the front and back direction, the outer surface of the first main crushing shaft 14 is fixedly provided with a first main crushing roller 15 in a surrounding manner, the outer surface of the first main crushing roller 15 is fixedly provided with crushing blades 16 in a surrounding manner in a row, the number of the crushing blades 16 is 16 on one longitudinal section, the left end center position of the outer surface of the back side of the first crushing chamber 5 is fixedly provided with a first main motor box 17, the inner part of the first main motor box 17 is fixedly provided with a first main driving motor 18, the front end of the first main driving motor 18 is rotatably provided with a first main driving shaft 19 horizontally in the front and back direction, the front end of the first main driving shaft 19 is fixedly connected with the back end of the first main crushing shaft 14, a first auxiliary crushing shaft 21 is rotatably arranged at the front-back horizontal central position of the right end in the first crushing chamber 5, a first auxiliary crushing roller 22 is fixedly arranged on the outer surface of the first auxiliary crushing shaft 21 in a surrounding manner, crushing blades 16 are also fixedly arranged on the outer surface of the first auxiliary crushing roller 22 in a surrounding manner, a first auxiliary motor box 23 is fixedly arranged at the central position of the right end of the outer surface at the back side of the first crushing chamber 5, a first auxiliary driving motor 24 is fixedly arranged in the first auxiliary motor box 23, a first auxiliary driving shaft 25 is rotatably arranged at the front-back horizontal central position of the front end of the first auxiliary driving motor 24, the front end of the first auxiliary driving shaft 25 is fixedly connected with the back end of the first auxiliary crushing shaft 21, a second main crushing shaft 27 is rotatably arranged at the front-back horizontal central position of the left end in the second crushing chamber 6, and a second main crushing roller 28 is fixedly arranged at the outer surface of the second main crushing shaft 27 in a surrounding manner, a second main motor box 29 is fixedly arranged at the left end central position of the rear outer surface of the second crushing chamber 6, a second main driving motor 30 is fixedly arranged in the second main motor box 29, a second main driving shaft 31 is rotatably arranged at the front end front and back horizontal direction central position of the second main driving motor 30, the front end of the second main driving shaft 31 is fixedly connected with the rear end of the second main crushing shaft 27, a second auxiliary crushing shaft 33 is rotatably arranged at the front and back horizontal direction central position of the inner right end front and back horizontal direction central position of the second crushing chamber 6, a second auxiliary crushing roller 34 is fixedly arranged on the outer surface of the second auxiliary crushing shaft 33 in a surrounding manner, a second auxiliary motor box 35 is fixedly arranged at the rear outer surface right end central position of the second crushing chamber 6, a second auxiliary driving motor 36 is fixedly arranged in the second auxiliary motor box 35, and a second auxiliary driving shaft 37 is rotatably arranged at the front end front and back horizontal direction central position of the second auxiliary driving motor 36, the front end of the second auxiliary driving shaft 37 is fixedly connected with the rear end of the second auxiliary crushing shaft 33, a filter screen 39 is slidably mounted on the outer surface of the bottom side of the second crushing chamber 6, the filter screen 39 is used for filtering and collecting a small amount of corn straws and large particles of un-crushed corn, a material receiving handle 41 is fixedly mounted in the center of the outer surface of the left side of the material receiving chamber 7, and the material receiving handle 41 controls the material receiving chamber 7 to be taken out and put in through left-right sliding.

Wherein, the baffle handle 13 is fixedly arranged on the left outer surface of the baffle 12 vertically towards the middle end, the baffle handle 13 controls the blanking and stopping of the blanking hopper 8 by sliding the baffle 12 left and right, and the baffle 12 and the top cover 10 provide help for blanking of the blanking hopper 8 together.

Wherein, the rear outer surface central point of first main motor case 17 installs first main switch 20 fixedly, and first main switch 20 controls the start and stop of first main driving motor 18 through with external power electrical connection to the control smashes the maize of the interior left end of first crushing room 5.

Wherein, the rear outer surface central position fixed mounting of first auxiliary motor case 23 has first auxiliary switch 26, and first auxiliary switch 26 controls the start and the stop of first auxiliary driving motor 24 through with external power supply electric connection to the control is smashed the maize of right-hand member in the first crushing room 5.

Wherein, the second main switch 32 is fixedly installed at the central position of the outer surface of the rear side of the second main motor box 29, and the second main switch 32 controls the start and stop of the second main driving motor 30 by being electrically connected with an external power supply so as to control the crushing of the corn at the left end in the second crushing chamber 6.

Wherein, the rear outer surface central position fixed mounting of second auxiliary motor case 35 has second auxiliary switch 38, and second auxiliary switch 38 controls the start and the stop of the vice driving motor 36 of second through with external power supply electric connection to the control smashes the maize of the interior right-hand member of second crushing room 6.

Wherein, the outer surface of the left side of the filter screen 39 is fixedly provided with a filter handle 40 vertically towards the middle end, the filter handle 40 controls the filter screen 39 to be taken out and put in by sliding left and right, and the filter screen 39 and the filter handle 40 are used for collecting the corn particles which are not crushed so as to prevent the corn particles from falling.

When in use: firstly, the device is connected to an external power supply, then the top cover 10 is opened, corn particles needing to be crushed are poured into the discharging hopper 8, the top cover 10 is closed, then the first main switch 20 is pressed down to enable the first main driving motor 18 to start driving, the first main crushing shaft 14, the first main crushing roller 15 and the crushing blade 16 are driven to rotate through the rotation of the first main driving shaft 19, then the first auxiliary switch 26 is pressed down to enable the first auxiliary driving motor 24 to start driving, the first auxiliary crushing shaft 21, the first auxiliary crushing roller 22 and the crushing blade 16 are driven to rotate through the rotation of the first auxiliary driving shaft 25, then the second main switch 32 is pressed down to enable the second main driving motor 30 to start driving, the second main crushing shaft 27 and the second main crushing roller 28 are driven to rotate through the rotation of the second main driving shaft 31, then the second auxiliary switch 38 is pressed down to enable the second auxiliary driving motor 36 to start driving, the rotation of the second auxiliary driving shaft 37 drives the rotation of the second auxiliary crushing shaft 33 and the second auxiliary crushing roller 34, then the sliding baffle 12 is used for discharging the corn particles below the hopper 8, at the moment, the corn particles are crushed by the crushing blade in the first crushing chamber 5 and then fall into the second crushing chamber 6 to be completely crushed by the second main crushing roller 28 and the second auxiliary crushing roller 34, large corn particles which are not completely crushed are collected by the filter screen 39, the crushed corn powder falls into the material receiving chamber 7 to be uniformly collected, after all the corn particles which need to be crushed are crushed, the external power supply is cut off to stop crushing, the filter screen 39 is taken out to clean the large corn particles collected therein, the material receiving chamber 7 is taken out to contain the corn powder collected therein, and finally the filter screen 39 and the material receiving chamber 7 are returned to the original position.

The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.

Claims

1. The utility model provides a reducing mechanism is used in maize processing which characterized in that: the device comprises a device shell (1), wherein support frames (2) are fixedly mounted at four corners of the outer surface of the bottom side of the device shell (1), bases (3) are fixedly mounted at the outer surface of the bottom side of the support frames (2), the outer surface area of the bottom side of each base (3) is larger than that of the outer surface area of the bottom side of the support frame (2), a blanking chamber (4) is fixedly mounted at the upper end of the inner part of the device shell (1), a first crushing chamber (5) is fixedly mounted at the upper end of the inner part of the device shell (1), a second crushing chamber (6) is fixedly mounted at the lower end of the inner part of the device shell (1), a material receiving chamber (7) is fixedly mounted at the lower end of the inner part of the device shell (1), a blanking hopper (8) is fixedly mounted at the inner part of the blanking chamber (4), and a hinge (9) is rotatably mounted at the left end of the outer surface of the top side of the blanking hopper (8), the right side outer surface of the hinge (9) is fixedly provided with a top cover (10), the top side outer surface right end of the top cover (10) is fixedly provided with a handle (11) in the middle, the handle (11) is rotated left and right to control the opening and closing of the top cover (10), the bottom side outer surface of the hopper (8) is slidably provided with a baffle (12), a first main crushing shaft (14) is rotatably arranged in the front and back horizontal direction of the inner left end of the first crushing chamber (5) towards the central position, the outer surface of the first main crushing shaft (14) is fixedly provided with a first main crushing roller (15) in a surrounding manner, the outer surface of the first main crushing roller (15) is fixedly provided with crushing blades (16) in a surrounding manner, the number of the crushing blades (16) is 16 on one longitudinal section, the central position of the left end of the rear side outer surface of the first crushing chamber (5) is fixedly provided with a first main motor box (17), the inside fixed mounting of first main motor case (17) has first main driving motor (18), the level is rotated to central position around the front end of first main driving motor (18) and is installed first main drive shaft (19), the front end of first main drive shaft (19) with the rear end fixed connection of first main crushing shaft (14), the level is rotated to central position around the inside right-hand member of first crushing room (5) and is installed first auxiliary crushing shaft (21), the surface of first auxiliary crushing shaft (21) encircles fixed mounting and has first auxiliary crushing roller (22), the surface of first auxiliary crushing roller (22) also encircles and divides row fixed mounting to have crushing blade (16), rear side surface right-hand member central position fixed mounting of first crushing room (5) has first auxiliary case (23), the inside fixed mounting of first auxiliary motor case (23) has first auxiliary driving motor (24), the front end front and back horizontal of first auxiliary driving motor (24) is rotated to central position and is installed first auxiliary driving shaft (25), the front end of first auxiliary driving shaft (25) with the rear end fixed connection of first auxiliary crushing shaft (21), the inside left end front and back horizontal of second crushing chamber (6) is rotated to central position and is installed second main crushing shaft (27), the surface of second main crushing shaft (27) encircles fixed mounting and has second main crushing roller (28), the rear side outer surface left end central position fixed mounting of second crushing chamber (6) has second main motor case (29), the inside fixed mounting of second main motor case (29) has second main driving motor (30), the front end front and back horizontal of second main driving motor (30) is rotated to central position and is installed second main driving shaft (31), the front end of second main driving shaft (31) with the rear end fixed connection of second main crushing shaft (27), the front and back horizontal of the right end inside the second crushing chamber (6) is rotated to the central position and is provided with a second auxiliary crushing shaft (33), the outer surface of the second auxiliary crushing shaft (33) is provided with a second auxiliary crushing roller (34) in a surrounding way, the right end central position of the outer surface of the back side of the second crushing chamber (6) is provided with a second auxiliary motor box (35) in a fixed way, the inner part of the second auxiliary motor box (35) is provided with a second auxiliary driving motor (36) in a fixed way, the front and back horizontal of the front end of the second auxiliary driving motor (36) is provided with a second auxiliary driving shaft (37) in a rotating way to the central position, the front end of the second auxiliary driving shaft (37) is fixedly connected with the back end of the second auxiliary crushing shaft (33), the outer surface of the bottom side of the second crushing chamber (6) is provided with a filter screen (39) in a sliding way, and the filter screen (39) is used for collecting a small amount of corn stalks and large particles which are not crushed, the material receiving handle (41) is fixedly installed in the center of the outer surface of the left side of the material receiving chamber (7), and the material receiving handle (41) controls the material receiving chamber (7) to be taken out and put in through left-right sliding.

2. The corn processing milling apparatus as set forth in claim 1, wherein: the outer surface of the left side of the baffle (12) is vertically fixedly provided with a baffle handle (13) towards the middle end, and the baffle handle (13) controls the blanking and stopping of the blanking hopper (8) through sliding the baffle (12) left and right.

3. The corn processing milling apparatus as set forth in claim 1, wherein: the rear outer surface center position of first main motor case (17) is fixed with first main switch (20), first main switch (20) through with external power electrical connection and control the start and the stop of first main driving motor (18).

4. The corn processing milling apparatus as set forth in claim 1, wherein: a first auxiliary switch (26) is fixedly installed at the central position of the outer surface of the rear side of the first auxiliary motor box (23), and the first auxiliary switch (26) controls the starting and stopping of the first auxiliary driving motor (24) through being electrically connected with an external power supply.

5. The corn processing milling apparatus as set forth in claim 1, wherein: a second main switch (32) is fixedly mounted at the central position of the outer surface of the rear side of the second main motor box (29), and the second main switch (32) is electrically connected with an external power supply to control the starting and stopping of the second main driving motor (30).

6. The corn processing milling apparatus as set forth in claim 1, wherein: a second auxiliary switch (38) is fixedly installed at the central position of the outer surface of the rear side of the second auxiliary motor box (35), and the second auxiliary switch (38) is electrically connected with an external power supply to control the starting and stopping of the second auxiliary driving motor (36).

7. The corn processing milling apparatus as set forth in claim 1, wherein: the outer surface of the left side of the filter screen (39) is vertically fixedly provided with a filter handle (40) towards the middle end, and the filter handle (40) controls the filter screen (39) to be taken out and put in through left-right sliding.