Material filtering equipment for liquid filling machine

Abstract

The utility model provides material filtering equipment for a liquid filling machine, relates to the technical field of material filtering equipment, solves the problems of the existing material filtering equipment, and comprises supporting legs, a shell and a mounting rack, the top end surfaces of the supporting legs are connected with the bottom end surface of the shell, a water inlet is formed in the top end surface of the shell, and a water outlet is formed in the bottom end surface of the shell. The top end face of the shell is connected with the bottom end face of a mounting frame, a cleaning assembly is mounted on the side wall of the mounting frame, a water outlet assembly is arranged on the side wall of the shell, a filter cartridge is mounted in the shell, a blow-off pipe opening is formed in the bottom end face of the shell, and a blow-off assembly is mounted at the lower end of the blow-off pipe opening. According to the equipment, cleaning of the inner wall of the filter cartridge and the inner walls of the filter holes is achieved through cooperation of all the components, compared with a detachable cleaning mode, the cleaning mode of the equipment is more convenient and time-saving, meanwhile, the filter cartridge can be repeatedly used and does not need to be frequently replaced, loss of filter equipment is reduced, and therefore the machining efficiency and economical efficiency of the equipment are improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of material filtering equipment, and more specifically, particularly relates to material filtering equipment for a liquid filling machine. Background Art

[0002] In the liquid filling process, in order to ensure product quality, it is necessary to ensure that impurities are effectively separated from the liquid, and filtering equipment is required to filter out the impurities.

[0003] Based on the above, the inventors have discovered the following problems: some existing material filtering equipment does not have the function of automatic cleaning of the internal filter, and usually requires manual opening of the filtering equipment to take out the filter for cleaning, or directly replace the filter with a new one. Manual cleaning is time-consuming and labor-intensive, and direct replacement of the filter increases consumables, resulting in poor processing efficiency and economy.

[0004] Therefore, in view of this, the existing structure and defects are studied and improved, and a material filtering equipment for a liquid filling machine is provided, in order to achieve a purpose with greater practical value. Utility Model Content

[0005] In order to solve the above technical problems, the utility model provides a material filtering device for a liquid filling machine to solve the problems of the existing material filtering devices.

[0006] The purpose and effect of the material filtering equipment for liquid filling machine of this utility model are achieved by the following specific technical means:

[0007] A material filtering device for a liquid filling machine comprises a support leg, a shell and a mounting frame, wherein the top end surface of the support leg is connected to the bottom end surface of the shell, the top end surface of the shell is provided with a water inlet, the top end surface of the shell is connected to the bottom end surface of the mounting frame, a cleaning component is installed on the side wall of the mounting frame, a water outlet component is provided on the side wall of the shell, a filter cartridge is installed inside the shell, a sewage discharge pipe outlet is provided on the bottom end surface of the shell, and a sewage discharge component is installed at the lower end of the sewage discharge pipe outlet.

[0008] Furthermore, one end of the filter cartridge is provided with a thread, and the bottom surface of the shell is provided with a threaded opening, and the threaded opening is threadedly connected to one end of the filter cartridge.

[0009] Furthermore, the cleaning assembly is composed of a driving motor, a synchronous pulley, a threaded rod and a shaft rod, the output end of the driving motor is equipped with a synchronous pulley, the two ends of the synchronous pulley are respectively connected to the threaded rod and the shaft rod, the threaded rod passes through the top end surface of the shell and is rotatably connected, a number of platform plates are installed on the side wall of the shell, one end of the threaded rod is rotatably connected to the top end surface of the platform plate, an annular pressure plate is provided inside the shell, a threaded rod is inserted through the surface of the annular pressure plate and is threadedly connected to the threaded rod, a number of limit rods are provided on the top ends of the platform plates, one end of the limit rods passes through the surface of the annular pressure plate and is connected to the top surface of the shell, one end of the synchronous pulley is connected to the shaft rod, the shaft rod passes through the top end surface of the shell and is rotatably connected, the outer wall of the shaft rod is provided with two pairs of arm assemblies, and a pair of long brush plates are provided at the front ends of the two pairs of arm assemblies, and the long brush plates fit the inner wall of the filter cylinder.

[0010] Furthermore, the water outlet assembly is composed of a water closing pipe body, a water outlet pipe, a screw and a plug. The water closing pipe body is connected to the side wall of the shell, and the outer wall of the water closing pipe body is connected to the water outlet pipe. The side wall of the water closing pipe body is provided with a knob, and the side wall of the knob is connected to one end of the screw, and the other end of the screw penetrates the side wall of the water closing pipe body and is rotatably connected to the plug, and the screw is threadedly connected to the side wall of the water closing pipe body.

[0011] The top end surface of the push rod is connected with the top end surface of the push plate, and the outer wall of the sewage pipe outlet is provided with a telescopic tube, and the bottom end surface of the telescopic tube is connected with the top end surface of the push plate. A two-way screw is provided under the push plate, one end of the two-way screw passes through the side wall of the support leg and is equipped with a handwheel, and the other end of the two-way screw is rotatably connected with the inner wall of the support leg, and a pair of moving blocks are sleeved on the surface of the two-way screw, and a pair of positioning rods are inserted on the surface of the moving blocks, and the two ends of the positioning rod are connected with the inner wall of the support leg, and a pair of movable arms are installed on the top surface of the pair of movable blocks through angle seats, and one end of a pair of movable arms is rotatably connected to the bottom end surface of the push plate, and a sewage pipe is installed on the side wall of the telescopic tube.

[0012] Furthermore, a plurality of filter holes are formed through the side wall of the filter cartridge, and the inner wall diameters of the plurality of filter holes are smaller than the outer wall diameters.

[0013] Furthermore, the support arm assembly includes a second support arm, a pair of first support arms are installed on the side wall of the shaft rod, a pair of axle pins and a fixed plate are installed on the side walls of the first support arms, one of the axle pins is rotatably connected to the second support arm, one end of the second support arm is connected to the long brush plate, one of the axle pin sleeves is provided with a torsion spring, and the two ends of the torsion spring are respectively connected to one end of the second support arm and the side wall of the fixed plate.

[0014] Compared with the prior art, the utility model has the following beneficial effects:

[0015] Through the cooperation of the driving motor and the synchronous pulley, the shaft rod and the threaded rod rotate synchronously, and the shaft rod drives the support arm assembly to rotate, so that the long brush plate rotates to scrape the inner wall of the filter cartridge, so that impurities attached to the inner wall of the filter cartridge fall into the bottom of the filter cartridge, and the threaded rod rotates to push the annular pressure plate to move downward, so that the cleaning liquid is pressed into the sewage discharge pipe at the bottom of the filter cartridge. With the structure of the filter hole of the filter cartridge, the cleaning liquid flushes the impurities on the inner wall of the filter hole, so that the filter hole is cleaned, and all impurities flow out through the sewage discharge pipe. Through the cooperation of the above-mentioned components, the cleaning of the inner wall of the filter cartridge and the inner wall of the filter hole is achieved.

[0016] The knob is turned to make the screw rod push the plug at the front end to move forward, and the water outlet on the side wall of the shell is closed, so that the cleaning liquid will not flow out through the water outlet pipe.

[0017] A pair of moving blocks are moved in opposite directions by rotating the bidirectional screw, and the push plate is pushed by the movable arm to open and close the water plug on the upper end of the push rod and the sewage pipe outlet. When the inner wall of the filter cartridge is cleaned, the water plug is separated from the sewage pipe outlet, allowing impurities to flow out through the sewage pipe outlet. When the equipment is working normally, the water plug and the sewage pipe outlet are closed. Through the cooperation of the above-mentioned components, the control of sewage discharge is achieved when the inner wall of the filter cartridge is cleaned. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a three-dimensional schematic diagram of a material filtering device for a liquid filling machine of the utility model.

[0019] Figure 2 It is a plan view of a material filtering device for a liquid filling machine of the utility model.

[0020] Figure 3 It is a plan view of a water outlet component of a material filtering device for a liquid filling machine of the utility model.

[0021] Figure 4 The utility model is a schematic diagram of the bottom surface of the shell and the sewage discharge component of the material filtering equipment for the liquid filling machine.

[0022] Figure 5 It is a top view schematic diagram of a cleaning component of a material filtering device for a liquid filling machine of the utility model.

[0023] Figure 6 It is a plan view of the support arm assembly of the material filtering equipment for the liquid filling machine of the utility model.

[0024] Figure 7 It is a three-dimensional schematic diagram of a filter cartridge and a plane schematic diagram of a filter hole of a material filtering device for a liquid filling machine of the utility model.

[0025] In the figure, the corresponding relationship between the component names and the figure numbers is as follows:

[0026] 1. Leg; 2. Shell; 3. Water inlet; 4. Water outlet assembly; 5. Mounting frame; 6. Cleaning assembly; 7. Drain pipe outlet; 8. Drain assembly; 9. Filter cartridge; 601. Drive motor; 602. Synchronous pulley; 603. Threaded rod; 604. Platform plate; 605. Annular pressure plate; 606. Limit rod; 607. Shaft rod; 608. Arm assembly; 609. Long brush plate; 401. Water-blocking pipe body; 402. Water outlet pipe; 403. Screw rod; 40 4. Plug; 405. Knob; 801. Positioning plate; 802. Push rod; 803. Water plug; 804. Push plate; 805. Telescopic tube; 806. Bidirectional screw; 807. Positioning rod; 808. Moving block; 809. Movable arm; 810. Hand wheel; 811. Sewage pipe; 901. Threaded mouth; 902. Filter hole; 6081. First arm; 6082. Second arm; 6083. Torsion spring; 6084. Fixing plate; 6085. Axle pin. DETAILED DESCRIPTION

[0027] The following is a further detailed description of the implementation of the present invention in conjunction with the accompanying drawings and examples. The following examples are used to illustrate the present invention, but cannot be used to limit the scope of the present invention.

[0028] In the description of the present invention, unless otherwise specified, "multiple" means two or more; the terms "upper", "lower", "left", "right", "inner", "outer", "front end", "rear end", "head", "tail" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the present invention and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", "third" and the like are only used for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0029] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "connected" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0030] Example:

[0031] As attached Figure 1 To Attachment Figure 7 As shown:

[0032] The utility model provides a material filtering device for a liquid filling machine, comprising a support leg 1, a shell 2 and a mounting frame 5, the top end surface of the support leg 1 is connected to the bottom end surface of the shell 2, the top end surface of the shell 2 is provided with a water inlet 3, the top end surface of the shell 2 is connected to the bottom end surface of the mounting frame 5, the side wall of the mounting frame 5 is provided with a cleaning component 6, the side wall of the shell 2 is provided with a water outlet component 4, a filter cartridge 9 is installed inside the shell 2, the bottom end surface of the shell 2 is provided with a sewage discharge pipe port, and the lower end of the sewage discharge pipe port is provided with a sewage discharge component 8.

[0033] Among them, one end of the filter cartridge 9 is provided with a thread, and the bottom surface of the shell 2 is provided with a threaded opening 901. The threaded opening 901 is threadedly connected to one end of the filter cartridge 9. The threaded installation of the filter cartridge 9 and the shell 2 can make the filter cartridge 9 more stably fixed. When the inner wall of the filter cartridge 9 is cleaned, the filter cartridge 9 will not shake and affect the cleaning effect of the inner wall.

[0034] The cleaning assembly 6 is composed of a driving motor 601, a synchronous pulley 602, a threaded rod 603 and a shaft 607. The output end of the driving motor 601 is equipped with a synchronous pulley 602. The two ends of the synchronous pulley 602 are respectively connected to the threaded rod 603 and the shaft 607. The threaded rod 603 penetrates the top surface of the shell 2 and is rotatably connected. A number of platform plates 604 are installed on the side wall of the shell 2. One end of the threaded rod 603 is rotatably connected to the top surface of the platform plate 604. An annular pressure plate 605 is provided inside the shell 2. The surface of the annular pressure plate 605 is penetrated and inserted with a threaded rod 603, and is threadedly connected to the threaded rod 603. A number of limiting rods 606 are provided on the top surfaces of the platform plates 604. One end of the limiting rods 606 penetrates the surface of the annular pressure plate 605 and is connected to the top surface of the shell 2. One end of the synchronous pulley 602 is connected to the shaft 607. The shaft 607 penetrates the shell The top surface of the body 2 is rotatably connected, and the outer wall of the shaft rod 607 is provided with two pairs of arm assemblies 608, and the front ends of the two pairs of arm assemblies 608 are provided with a pair of long brush plates 609, and the long brush plates 609 are in contact with the inner wall of the filter cartridge 9. Through the cooperation of the driving motor 601 and the synchronous pulley 602, the shaft rod and the threaded rod 603 are rotated synchronously, and the shaft rod 607 drives the arm assembly 608 to rotate, so that the long brush plates 609 rotate to scrape the inner wall of the filter cartridge 9, so that the filter Impurities attached to the inner wall of the filter cartridge 9 fall into the bottom of the filter cartridge 9, and the threaded rod 603 rotates to push the annular pressure plate 605 downward, so that the cleaning liquid is pressed into the sewage discharge pipe port 7 at the bottom of the filter cartridge 9, and cooperates with the structure of the filter hole 902 of the filter cartridge 9 to flush the impurities on the inner wall of the filter hole 902, so that the filter hole 902 is cleaned, and all impurities flow out through the sewage discharge pipe port 7. Through the cooperation of the above-mentioned components, the cleaning of the inner wall of the filter cartridge 9 and the inner wall of the filter hole 902 is achieved.

[0035] Among them, the water outlet assembly 4 is composed of a closed water pipe body 401, a water outlet pipe 402, a screw rod 403 and a plug 404. The closed water pipe body 401 is connected to the side wall of the shell 2, and the outer wall of the closed water pipe body 401 is connected to the water outlet pipe 402. The side wall of the closed water pipe body 401 is provided with a knob 405, and the side wall of the knob 405 is connected to one end of the screw rod 403. The other end of the screw rod 403 penetrates the side wall of the closed water pipe body 401 and is rotatably connected to the plug 404. The screw rod 403 is threadedly connected to the side wall of the closed water pipe body 401. By rotating the knob 405, the screw rod 403 pushes the plug 404 at the front end to move forward, and the water outlet on the side wall of the shell 2 is closed, so that the cleaning liquid will not flow out through the water outlet pipe 402.

[0036] Among them, the sewage discharge component 8 is composed of a sewage discharge pipe outlet 7 and a push plate 804, a positioning plate 801 is installed on the inner wall of the sewage discharge pipe outlet, a push rod 802 is inserted on the surface of the positioning plate 801, a water plug 803 is installed on the top of the push rod 802, the bottom end surface of the push rod 802 is connected to the top end surface of the push plate 804, a telescopic tube 805 is installed on the outer wall of the sewage discharge pipe outlet, the bottom end surface of the telescopic tube 805 is connected to the top end surface of the push plate 804, a bidirectional screw 806 is provided below the push plate 804, one end of the bidirectional screw 806 passes through the side wall of the support leg 1 and is installed with a handwheel 810, the other end of the bidirectional screw 806 is rotatably connected to the inner wall of the support leg 1, a pair of moving blocks 808 are sleeved on the surface of the bidirectional screw 806, and a pair of positioning blocks 808 are inserted on the surface Rod 807, both ends of the positioning rod 807 are connected to the inner wall of the support leg 1, a pair of movable arms 809 are installed on the top end surface of a pair of movable blocks 808 through an angle seat, one end of a pair of movable arms 809 is rotatably connected to the bottom end surface of the push plate 804, and a sewage pipe 811 is installed on the side wall of the telescopic tube 805. The pair of movable blocks 808 are moved in opposite directions by rotating the bidirectional screw 806, and the push plate 804 is pushed by the movable arm 809 to open and close the water plug 803 at the upper end of the push rod 802 and the sewage pipe port 7. When the inner wall of the filter cartridge 9 is cleaned, the water plug 803 is separated from the sewage pipe port 7, so that impurities flow out through the sewage pipe port 7. When the equipment is in daily operation, the water plug 803 is closed with the sewage pipe port 7. Through the cooperation of the above-mentioned components, the control of sewage discharge when the inner wall of the filter cartridge 9 is cleaned is achieved.

[0037] Among them, the side wall of the filter cartridge 9 is penetrated by a plurality of filter holes 902, and the inner wall aperture of the plurality of filter holes 902 is smaller than the outer wall aperture. After the cleaning liquid on the outer wall of the filter cartridge 9 is squeezed by the annular pressure plate 605, it will be accelerated to flow into the inner cavity of the filter cartridge 9. Due to the difference in the inner and outer apertures of the filter cartridge 9, the flow rate of the cleaning liquid will increase when passing through the filter holes 902, thereby causing an impact on the impurities stuck or adsorbed in the pores, causing the impurities to enter the inner cavity of the filter cartridge 9 and be discharged through the sewage discharge component 8, thereby achieving the purpose of cleaning the inner wall of the filter cartridge 9.

[0038] Among them, the support arm assembly 608 includes a second support arm 6082, a pair of first support arms 6081 are installed on the side wall of the shaft rod 607, and a pair of axle pins 6085 and a fixed plate 6084 are installed on the side walls of the first support arms 6081, one of the axle pins 6085 is rotatably connected to the second support arm 6082, one end of the second support arm 6082 is connected to the long brush plate 609, one of the axle pins 6085 is sleeved with a torsion spring 6083, and the two ends of the torsion spring 6083 are respectively connected to one end of the second support arm 6082 and the side wall of the fixed plate 6084, and the long brush plate 609 will be worn during use, so that the long brush plate 609 gradually becomes thinner, and through the cooperation of the second support arm 6082 and the first support arm 6081 under the action of the torsion spring 6083, the long brush plate 609 is always in contact with the inner wall of the filter cartridge 9, thereby cleaning the inner wall of the filter cartridge 9.

[0039] The specific usage and function of this embodiment are as follows:

[0040] When the device needs to clean the inner wall of the filter cartridge 9, the staff first turns the knob 405 to stop the water outlet assembly 4, and then injects cleaning liquid into the inner wall of the shell 2 through the water inlet 3. After the cleaning liquid is filled, the operator turns the hand wheel 810 to separate the water plug 803 at the bottom of the filter cartridge 9 from the sewage outlet 7 at the bottom of the shell 2. At the same time, the drive motor 601 needs to be started quickly to make the synchronous pulley 602 rotate the shaft 607 to drive the support arm assembly 608 to rotate, and drive the long brush plate 609 to rotate and scrape the inner wall of the filter cartridge 9, so that the impurities attached to the inner wall fall and sink to the bottom of the filter cartridge 9, and the threaded rod 603 rotates The annular pressure plate 605 is pushed downward so that the cleaning liquid is pressed into the sewage discharge port 7 at the bottom of the filter cartridge 9. With the structure of the filter hole 902 of the filter cartridge 9, the cleaning liquid flushes the impurities on the inner wall of the filter hole 902, so that the filter hole 902 is cleaned, and all impurities flow out through the sewage discharge port 7. Through the cooperation of the above-mentioned components, the inner wall of the filter cartridge 9 and the inner wall of the filter hole 902 are cleaned. Compared with the disassembly cleaning method, the cleaning method of this equipment is more convenient and time-saving. At the same time, the filter cartridge 9 can be used repeatedly without frequent replacement, which reduces the loss of filtering materials and improves the processing efficiency and economy of the equipment.

[0041] The embodiments of the present invention are provided for the purpose of illustration and description, and are not intended to be exhaustive or to limit the present invention to the disclosed forms. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiments are selected and described to better illustrate the principles and practical applications of the present invention, and to enable those of ordinary skill in the art to understand the present invention and thereby design various embodiments with various modifications suitable for specific uses.

Claims

1. A material filtering device for a liquid filling machine, comprising a support leg (1), a shell (2) and a mounting frame (5), wherein the top end surface of the support leg (1) is connected to the bottom end surface of the shell (2), and the top end surface of the shell (2) is provided with a water inlet (3), characterized in that: The top end surface of the shell (2) is connected to the bottom end surface of the mounting frame (5); a cleaning assembly (6) is installed on the side wall of the mounting frame (5); a water outlet assembly (4) is provided on the side wall of the shell (2); a filter cartridge (9) is installed inside the shell (2); a sewage discharge pipe outlet (7) is provided on the bottom end surface of the shell (2); and a sewage discharge assembly (8) is installed at the lower end of the sewage discharge pipe outlet (7).

2. The material filtering equipment for liquid filling machine as claimed in claim 1, characterized in that: One end of the filter cartridge (9) is provided with a thread, and the bottom surface of the housing (2) is provided with a threaded opening (901), and the threaded opening (901) is threadedly connected to one end of the filter cartridge (9).

3. The material filtering equipment for liquid filling machine as claimed in claim 1, characterized in that: The cleaning assembly (6) is composed of a driving motor (601), a synchronous pulley (602), a threaded rod (603) and a shaft (607). The output end of the driving motor (601) is equipped with a synchronous pulley (602). The two ends of the synchronous pulley (602) are respectively connected to the threaded rod (603) and the shaft (607). The threaded rod (603) passes through the top end surface of the shell (2) and is rotatably connected. The side wall of the shell (2) is equipped with a plurality of platform plates (604). One end of the threaded rod (603) is rotatably connected to the top end surface of the platform plate (604). An annular pressure plate (605) is provided inside the shell (2). The surface of the annular pressure plate (605) passes through the top end surface of the shell (2). A threaded rod (603) is interspersed and threadedly connected to the threaded rod (603); a plurality of limit rods (606) are provided on the top surfaces of the platform plates (604); one end of the limit rods (606) passes through the surface of the annular pressure plate (605) and is connected to the top surface of the shell (2); one end of the synchronous pulley (602) is connected to the shaft rod (607); the shaft rod (607) passes through the top surface of the shell (2) and is rotatably connected; the outer wall of the shaft rod (607) is provided with two pairs of support arm assemblies (608); a pair of long brush plates (609) are provided at the front ends of the two pairs of support arm assemblies (608); the long brush plates (609) are in contact with the inner wall of the filter cartridge (9).

4. The material filtering device for a liquid filling machine as claimed in claim 1, characterized in that: The water outlet assembly (4) is composed of a water-blocking pipe body (401), a water outlet pipe (402), a screw rod (403) and a plug (404); the water-blocking pipe body (401) is connected to the side wall of the housing (2); the outer wall of the water-blocking pipe body (401) is connected to the water outlet pipe (402); a knob (405) is provided on the side wall of the water-blocking pipe body (401); the side wall of the knob (405) is connected to one end of the screw rod (403); the other end of the screw rod (403) penetrates the side wall of the water-blocking pipe body (401) and is rotatably connected to the plug (404); the screw rod (403) is threadedly connected to the side wall of the water-blocking pipe body (401).

5. The material filtering device for a liquid filling machine as claimed in claim 1, characterized in that: The sewage discharge assembly (8) is composed of a sewage discharge pipe outlet (7) and a push plate (804). A positioning plate (801) is installed on the inner wall of the sewage discharge pipe outlet (7). A push rod (802) is inserted on the surface of the positioning plate (801). A water plug (803) is installed on the top of the push rod (802). The bottom end surface of the push rod (802) is connected to the top end surface of the push plate (804). A telescopic tube (805) is installed on the outer wall of the sewage discharge pipe outlet (7). The bottom end surface of the telescopic tube (805) is connected to the top end surface of the push plate (804). A bidirectional screw (806) is provided below the push plate (804). One end of the bidirectional screw (806) penetrates the water plug (803). A hand wheel (810) is installed on the side wall of the supporting leg (1); the other end of the bidirectional screw (806) is rotatably connected to the inner wall of the supporting leg (1); a pair of moving blocks (808) are sleeved on the surface of the bidirectional screw (806); a positioning rod (807) is inserted into the surface of the pair of moving blocks (808); both ends of the positioning rod (807) are connected to the inner wall of the supporting leg (1); a pair of movable arms (809) are installed on the top end surface of the pair of moving blocks (808) through an angle seat; one end of the pair of movable arms (809) is rotatably connected to the bottom end surface of the push plate (804); and a sewage pipe (811) is installed on the side wall of the telescopic tube (805).

6. The material filtering device for a liquid filling machine as claimed in claim 2, characterized in that: A plurality of filter holes (902) are provided through the side wall of the filter cartridge (9), and the inner wall diameters of the plurality of filter holes (902) are smaller than the outer wall diameters.

7. The material filtering device for a liquid filling machine as claimed in claim 3, characterized in that: The support arm assembly (608) includes a second support arm (6082), a pair of first support arms (6081) are installed on the side wall of the shaft (607), a pair of axle pins (6085) and a fixed plate (6084) are installed on the side wall of the first support arms (6081), one of the axle pins (6085) is rotatably connected to the second support arm (6082), one end of the second support arm (6082) is connected to the long brush plate (609), one of the axle pins (6085) is sleeved with a torsion spring (6083), and the two ends of the torsion spring (6083) are respectively connected to one end of the second support arm (6082) and the side wall of the fixed plate (6084).

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