阅读说明：本技术 一种高效环保的工业污水处理设备 (High-efficient environmental protection's industrial sewage treatment equipment ) 是由 苏侃侃 曾雪辉 于 2021-08-30 设计创作，主要内容包括：本发明涉及污水处理技术领域,具体涉及一种高效环保的工业污水处理设备。包括机架和压滤装置,压滤装置包括安装于机架的止推板、若干滤板和拉板组件,止推板的前后两端均设置有滤板轨道和小车轨道；滤板设置于止推板的右侧,每个滤板的前后两端面均设置有安装座,安装座的左端面设置有支点座,安装座内转动设置有撬棍；拉板组件包括棘爪和位于棘爪右侧的拨盘,拨盘上设置有拨杆。本发明的拉板组件向滤板运动时,棘爪先从右向左依次推动撬棍,使撬棍的下端向左转动,左侧的撬棍转动挤压右侧的滤板的支点座,进而使得所有滤板被依次打开；后拨盘转动并通过拨杆和撬棍带动滤板向右移动,加大滤板的拉开距离,以此先开板再拨板保证滤饼掉落的效果。(The invention relates to the technical field of sewage treatment, in particular to high-efficiency and environment-friendly industrial sewage treatment equipment. The filter pressing device comprises a thrust plate, a plurality of filter plates and a pull plate assembly, wherein the thrust plate, the filter plates and the pull plate assembly are arranged on the frame; the filter plates are arranged on the right side of the thrust plate, the front end surface and the rear end surface of each filter plate are respectively provided with a mounting seat, the left end surface of each mounting seat is provided with a fulcrum seat, and a crowbar is rotationally arranged in each mounting seat; the pulling plate assembly comprises a pawl and a driving plate positioned on the right side of the pawl, and a driving lever is arranged on the driving plate. When the pulling plate assembly moves towards the filter plate, the pawl sequentially pushes the crowbars from right to left to enable the lower ends of the crowbars to rotate leftwards, the crowbars on the left side rotate to extrude the fulcrum seats of the filter plates on the right side, and then all the filter plates are sequentially opened; the rear driving plate rotates and drives the filter plate to move rightwards through the driving rod and the crowbar, the pulling distance of the filter plate is increased, and therefore the effect that a filter cake falls off is guaranteed by firstly opening the plate and then pulling the plate.)

1. The utility model provides an industrial sewage treatment equipment of high-efficient environmental protection, include the frame with install in the filter pressing device of frame, its characterized in that: the filter pressing device comprises:

the thrust plate is arranged at the left end of the rack, filter plate rails extending rightwards are arranged on the front end face and the rear end face of the thrust plate, and racks are arranged on the filter plate rails along the extending direction of the filter plate rails;

the filter plates are arranged on the right side of the thrust plate and can move along the filter plate track, and all the filter plates are closely arranged, attached and pressed to the thrust plate during filtering; the front end surface and the rear end surface of each filter plate are respectively provided with a mounting seat, the left end surface of each mounting seat is provided with a fulcrum seat protruding leftwards, a crowbar is arranged in each mounting seat in a rotating mode, the rotating axis of the crowbar extends in the front-rear direction and is located on the upper side of a filter plate rail, the lower end of the crowbar extends out of the mounting seats, and the upper end of the crowbar is used for pushing the fulcrum seat adjacent to the right side of the crowbar when the lower end of the crowbar rotates leftwards, so that the filter plate on the right side moves rightwards; and

the two pulling plate assemblies move in the left-right direction under the driving of the power device, each pulling plate assembly comprises a seat plate, a pawl and a driving plate, the pawl and the driving plate are mounted on the seat plate, the driving plate is located on the right side of the pawl, the inner side of the driving plate is connected with a gear through a one-way bearing, the gear is meshed with the rack, and a plurality of driving rods are uniformly distributed on the front surface of the driving plate in the circumferential direction; and is

When the pulling plate assembly moves towards the filter plate, the pawl sequentially pushes the lower end of the crowbar from right to left to enable the lower end of the crowbar to rotate leftwards, so that all the filter plates are sequentially opened, and then the gear drives the driving plate to rotate, so that the driving rod drives the lower end of the crowbar rightwards to drive the filter plate to move rightwards;

when the pull plate assembly moves reversely, the fulcrum seat blocks the upper end of the crowbar from rotating leftwards, the pawl is pressed and rotated by the crowbar, and the gear is separated from the drive plate in transmission so as to allow the pull plate assembly to move reversely.

2. The high-efficiency environment-friendly industrial sewage treatment equipment as claimed in claim 1, wherein: the gears and the drive plate are arranged in two groups at intervals along the left-right direction.

3. The high-efficiency environment-friendly industrial sewage treatment equipment as claimed in claim 1, wherein: the crowbar comprises a top pressing part and a long handle part which are connected up and down, and the center of gravity of the crowbar is arranged on the long handle part so as to enable the crowbar to be vertically downward.

4. The high-efficiency environment-friendly industrial sewage treatment equipment as claimed in claim 1, wherein: the base plate is provided with a pawl seat, the pawl is rotatably installed on the pawl seat through a pin shaft, a torsion spring is sleeved on the pin shaft, and the torsion spring enables the pawl to rightwards abut against the right side wall of the pawl seat.

5. The high-efficiency environment-friendly industrial sewage treatment equipment as claimed in claim 2, wherein: the base plate is provided with a bearing seat, the bearing seat is rotatably provided with a rotating shaft with an axis extending forwards and backwards, the driving plate is fixedly arranged on the rotating shaft, and the gear is arranged at the inner end of the rotating shaft through the one-way bearing.

6. The high-efficiency environment-friendly industrial sewage treatment equipment as claimed in claim 1, wherein: the mounting seat is rotatably provided with a roller, and the roller moves along the upper surface of the filter plate rail.

7. The high-efficiency environment-friendly industrial sewage treatment equipment as claimed in claim 6, wherein: the filter plate is characterized in that a trolley track is connected below the filter plate track, and the pull plate component is connected to the trolley track through an adapter plate.

8. The high-efficiency environment-friendly industrial sewage treatment equipment as claimed in claim 1, wherein: the filter plate pressing device is characterized by further comprising a pressing plate assembly and a press machine, wherein the press machine is arranged at the right end of the rack, the pressing plate assembly is located at the rightmost side between the filter plate and the press machine, and the pressing plate assembly is used for pressing the filter plate to abut against the thrust plate under the action of the press machine during filtering.

9. The high-efficiency environment-friendly industrial sewage treatment equipment as claimed in claim 1, wherein: the filter pressing device is characterized by further comprising a liquid inlet pipe, a liquid collecting tank and a liquid outlet pipe, wherein the liquid collecting tank is located below the filter pressing device and is installed on the frame, the liquid inlet pipe is communicated with the filter pressing device, and the liquid outlet pipe is communicated with the liquid collecting tank.

Technical Field

The invention relates to the technical field of sewage treatment, in particular to high-efficiency and environment-friendly industrial sewage treatment equipment.

Background

In the process of sewage treatment, a filter pressing and filter pressing device is often used for carrying out solid-liquid separation on sewage so as to facilitate better treatment of the sewage, and the filter pressing and filter pressing device is widely used in the field of environmental protection. For example, application numbers are: 201810242982.3 discloses a filter press for sewage treatment, which uses a filter press method to filter sewage. The basic principle of the solid-liquid separation of the filter pressing device is as follows: the mixed liquid flows through a filter medium (filter cloth arranged on a filter plate), the solid stays on the filter cloth and is gradually accumulated on the filter cloth to form a filter mud cake, and the filtrate part permeates the filter cloth to become clear liquid without the solid; and opening the filter plate when the filtrate does not flow out any more, and taking out the filter cake.

The existing filter press is usually used for plate opening by a reciprocating type plate pulling trolley when the plate is opened, the adsorption force of a filter cake at the moment of plate opening is large, the plate opening load is large by directly using a motor, the trolley has a free stroke when the plate is opened, and the production efficiency is low. After the filter plate is opened, part of filter residues are adhered to the filter plate and are difficult to remove, and the production efficiency is further influenced.

Disclosure of Invention

According to at least one defect of the prior art, the invention provides high-efficiency and environment-friendly industrial sewage treatment equipment, and aims to solve the problems that the existing filter-press type sewage treatment equipment is low in plate opening efficiency and difficult in filter residue removal.

The efficient and environment-friendly industrial sewage treatment equipment adopts the following technical scheme: include the frame with install in the filter pressing device of frame, filter pressing device includes:

the thrust plate is arranged at the left end of the rack, filter plate rails extending rightwards are arranged on the front end face and the rear end face of the thrust plate, and racks are arranged on the filter plate rails along the extending direction of the filter plate rails;

the filter plates are arranged on the right side of the thrust plate and can move along the filter plate track, and all the filter plates are closely arranged, attached and pressed to the thrust plate during filtering; the front end surface and the rear end surface of each filter plate are respectively provided with a mounting seat, the left end surface of each mounting seat is provided with a fulcrum seat protruding leftwards, a crowbar is arranged in each mounting seat in a rotating mode, the rotating axis of the crowbar extends in the front-rear direction and is located on the upper side of a filter plate rail, the lower end of the crowbar extends out of the mounting seats, and the upper end of the crowbar is used for pushing the fulcrum seat adjacent to the right side of the crowbar when the lower end of the crowbar rotates leftwards, so that the filter plate on the right side moves rightwards; and

the two pulling plate assemblies move in the left-right direction under the driving of the power device, each pulling plate assembly comprises a seat plate, a pawl and a driving plate, the pawl and the driving plate are mounted on the seat plate, the driving plate is located on the right side of the pawl, the inner side of the driving plate is connected with a gear through a one-way bearing, the gear is meshed with the rack, and a plurality of driving rods are uniformly distributed on the front surface of the driving plate in the circumferential direction; and is

When the pulling plate assembly moves towards the filter plate, the pawl sequentially pushes the lower end of the crowbar from right to left to enable the lower end of the crowbar to rotate leftwards, so that all the filter plates are sequentially opened, and then the gear drives the driving plate to rotate, so that the driving rod drives the lower end of the crowbar rightwards to drive the filter plate to move rightwards;

when the pull plate assembly moves reversely, the fulcrum seat blocks the upper end of the crowbar from rotating leftwards, the pawl is pressed and rotated by the crowbar, and the gear is separated from the drive plate in transmission so as to allow the pull plate assembly to move reversely.

Optionally, the gears and the dials are arranged in two groups at intervals in the left-right direction.

Optionally, the crowbar comprises a top pressing part and a long handle part which are connected up and down, and the center of gravity of the crowbar is arranged on the long handle part so as to urge the crowbar to be vertically downward.

Optionally, a pawl seat is arranged on the seat plate, the pawl is rotatably mounted on the pawl seat through a pin shaft, a torsion spring is sleeved on the pin shaft, and the torsion spring urges the pawl to rightwards abut against the right side wall of the pawl seat.

Optionally, a bearing seat is arranged on the seat plate, a rotating shaft with an axis extending forwards and backwards is rotatably arranged on the bearing seat, the driving plate is fixedly arranged on the rotating shaft, and the gear is arranged at the inner end of the rotating shaft through the one-way bearing.

Optionally, a roller is rotatably disposed on the mounting seat, and the roller moves along the upper surface of the filter plate rail.

Optionally, a trolley track is connected below the filter plate track, and the pulling plate assembly is connected to the trolley track through an adapter plate.

Optionally, the filter press further comprises a pressing plate assembly and a press machine, the press machine is arranged at the right end of the rack, the pressing plate assembly is located at the rightmost side between the filter plate and the press machine, and the pressing plate assembly presses the filter plate to abut against the thrust plate under the action of the press machine during filtering.

Optionally, the filter pressing device further comprises a liquid inlet pipe, a liquid collecting tank and a liquid outlet pipe, wherein the liquid collecting tank is located below the filter pressing device and is installed on the frame, the liquid inlet pipe is communicated with the filter pressing device, and the liquid outlet pipe is communicated with the liquid collecting tank.

The invention has the beneficial effects that: according to the efficient and environment-friendly industrial sewage treatment equipment, the rotatable crowbar is arranged on the filter plate, the fulcrum seat is arranged at the upper end corresponding to the crowbar, the pawl and the driving plate are arranged on the pulling plate assembly from left to right, the inner side of the driving plate is connected with the gear through the one-way bearing, the gear is meshed with the rack on the filter plate rail, and the driving plate is provided with the driving lever.

In the process that the pulling plate assembly moves towards the filter plate, the pawl firstly touches the lower end of the crowbar and pushes the lower end of the crowbar to rotate leftwards, and the crowbar on the left side of two adjacent crowbars rotates to extrude a fulcrum seat corresponding to the crowbar on the right side, so that the filter plate on the right side moves rightwards to open the filter plate; the rear gear drives the driving plate to rotate, so that the driving plate drives the lower end of the crowbar to the right, the crowbar rotates to extrude a fulcrum seat on the filter plate per se, the speed is transmitted to the whole filter plate, and the filter plate moves to the right. With this cooperation through crowbar and fulcrum seat, utilize the crowbar to prize the filter plate and open the board, the back utilizes the driver plate to increase the distance of pulling open of filter plate, avoids directly opening the board because of the too big filter plate of adsorption affinity is difficult to open labour saving and time saving, guarantees to open the board effect. Meanwhile, the pull plate assembly has no idle stroke in the plate opening process at one time, so that the plate opening efficiency is improved. Further, in the process that the driving plate pulls the filter plate through the pulling rod and the crowbar, the filter plate can swing to a certain extent due to the fact that the rotating axis of the crowbar is located on the upper side of the filter plate rail, and filter cakes or filter residues stuck on the filter plate can be thrown away.

Drawings

In order to illustrate more clearly the embodiments of the invention or the solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the invention, and that other drawings may be obtained by those skilled in the art without inventive exercise from these drawings, it being understood that these drawings are not necessarily drawn to scale.

FIG. 1 is a schematic view of the overall structure of an efficient and environmentally friendly industrial sewage treatment apparatus according to the present invention;

FIG. 2 is a schematic view of the filter press apparatus of the present invention;

FIG. 3 is a schematic structural view of a filter plate and its upper parts according to the present invention;

FIG. 4 is a schematic structural view of the crowbar of the present invention;

FIG. 5 is a schematic view of the pull plate assembly of the present invention;

FIG. 6 is a schematic view of a gear and dial mounting arrangement of the present invention;

FIG. 7 is a schematic view of the pawl of the present invention;

FIG. 8 is a schematic view of a click plate of the present invention;

FIG. 9 is a schematic view of a lever plate of the present invention;

in the figure: 101. a liquid inlet pipe; 102. a platen assembly; 103. a press machine; 104. a liquid collecting tank; 105. a liquid outlet pipe; 106. a frame; 1. a thrust plate; 11. a trolley track; 12. a filter plate rail; 13. a rack; 2. filtering the plate; 21. a mounting seat; 22. a roller 22; 23. a fulcrum seat; 24. a crowbar; 3. a pull plate assembly; 31. a seat plate; 32. a gear; 33. a dial; 331. a deflector rod; 34. a bearing seat; 35. a rotating shaft; 36. a pawl seat; 37. a pin shaft; 38. a torsion spring; 39. a pawl; 351. an end cap; 352. a cover plate; 353. a one-way bearing; 354. a ball bearing; 4. an adapter plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

As shown in fig. 1 to 9, the efficient and environment-friendly industrial sewage treatment equipment (hereinafter referred to as sewage treatment equipment) comprises a frame 106, a filter pressing device, a liquid inlet pipe 101, a liquid collecting tank 104 and a liquid outlet pipe 105, wherein the filter pressing device and the liquid collecting tank 104 are both mounted on the frame 106, the liquid collecting tank 104 is positioned below the filter pressing device, the liquid inlet pipe 101 is communicated with the filter pressing device, the liquid outlet pipe 105 is communicated with the liquid collecting tank 104, sewage to be treated is pumped into the filter pressing device through the liquid inlet pipe 101 by a liquid inlet pump (not shown in the figure), solid and liquid are separated by the filter pressing device through filter pressing, the filtered liquid flows into the liquid collecting tank 104 and is led out through the liquid outlet pipe 105 for subsequent treatment, and filter residues form filter cakes in the filter pressing device. And after one working cycle is finished, taking out the filter cake from the filter pressing device and conveying the filter cake to a place to be treated for subsequent treatment.

The filter pressing device comprises a thrust plate 1, a plurality of filter plates 2 and a pulling plate assembly 3. The thrust plate 1 is installed at the left end of the frame 106, the front end face and the rear end face of the thrust plate 1 are both provided with a trolley track 11 and a filter plate track 12 which extend rightwards, the filter plate track 12 and the trolley track 11 are connected up and down, and the outer side face of the filter plate track 12 is provided with a rack 13 along the extending direction. A plurality of filter plates 2 are arranged in proper order and set up in the right side of thrust plate 1 and can move along filter plate track 12, have between two adjacent filter plates 2 and hold the dress space in order to hold the filter residue, and during normal filtration, all filter plates 2 are close to arrange the laminating and are compressed tightly the top and lean on to thrust plate 1, treat filterable sewage and let in filter plate 2 and filter, and the filter residue forms the filter cake in the dress space of filter plate 2. The two pulling plate assemblies 3 are respectively installed on the two trolley tracks 11, after filtration is finished, the pulling plate assemblies 3 are driven by a power device (not shown in the figure) to move towards the direction close to the filter plates 2 along the trolley tracks 11, the filter plates 2 are sequentially pulled open, filter cakes fall off, the pulling plate assemblies 3 reversely move to return to the initial position, and the sewage treatment equipment can prepare for the next working cycle.

The front end face and the rear end face of each filter plate 2 are provided with mounting seats 21, crowbars 24 are arranged in the mounting seats 21 in a rotating mode, the axes of the crowbars 24 extend in the front-rear direction and are located on the upper side of the filter plate track 12, the lower ends of the crowbars 24 extend out of the mounting seats 21, the left end face of each mounting seat 21 corresponds to the upper end of each crowbar 24 and is provided with a supporting point seat 23 protruding leftwards, and the supporting point seats 23 can block the upper ends of the crowbars 24 from rotating leftwards. The pulling plate component 3 comprises a seat plate 31, a pawl 39 and a drive plate 33 which are arranged on the seat plate 31, the drive plate 33 is positioned at the right side of the pawl 39, the inner side of the drive plate 33 is connected with a gear 32 through a one-way bearing 353, the gear 32 is meshed with the rack 13, and a plurality of shift levers 331 are uniformly distributed on the front surface of the drive plate 33 along the circumferential direction.

When the pulling plate assembly 3 moves towards the filter plates 2, the pawls 39 firstly push the lower ends of the crowbars 24 to rotate left from right to left, and in two adjacent crowbars 24, the crowbar 24 on the left rotates to press the fulcrum seat 23 corresponding to the crowbar 24 on the right, so that the filter plates 2 on the right move right, and all the filter plates 2 are opened sequentially; the rear gear 32 rotates clockwise and drives the dial plate 33 to rotate, the dial plate 33 is close to the crowbar 24, the crowbar 24 can be inserted between two shift rods 331, the dial plate 33 shifts the lower end of the crowbar 24 rightwards through the shift rods 331 under the blocking of the self fulcrum seats 23 of the crowbar 24, and then the dial plate 33 drives the filter plate 2 rightwards through the shift rods 331 and the crowbar 24 to move rightwards, the pulling distance of the filter plate 2 is increased, and the filter cake is convenient to drop. Further, during the process of pulling the filter plate 2 by the driving plate 33 via the pulling rod 331 and the crowbar 24, since the rotation axis of the crowbar 24 is located at the upper side of the filter plate rail 12, the filter plate 2 will swing to a certain extent, which helps to throw off the filter cake or residue stuck on the filter plate 2.

When the pulling plate component 3 moves reversely, the pawl 39 is pressed by the crowbar 24 to rotate, the gear 32 is separated from the drive plate 33, and the crowbar 24 drives the drive plate 33 to rotate without influencing the rotation of the gear 32, so as to ensure the smooth return of the pulling plate component 3. It should be noted that the crowbar 24 includes a top pressing portion and a long handle portion connected up and down, and the center of gravity of the crowbar 24 is located at the long handle portion, so that the crowbar 24 is vertically downward in a normal state. The left end surface and the right end surface of the top pressing part of the crowbar 24 are both provided with a section of arc surface, so that the crowbar 24 can extrude the fulcrum seat 23 conveniently; the distal end of the long shank portion of the crowbar 24 has a conical tip portion to facilitate prying by the pawl 39.

In this embodiment, two sets of gears 32 and drive plates 33 are arranged at intervals in the left-right direction, and the filter plates 2 complete two movements and swings under the action of the two drive plates 33, so that a larger gap is opened between two adjacent filter plates 2, and the effect of filter cake dropping can be ensured by matching with the swing of the filter plates 2.

In the present embodiment, a pawl seat 36 is disposed on the seat plate 31, a pawl 39 is rotatably mounted on the pawl seat 36 through a pin 37, a torsion spring 38 is sleeved on the pin 37, and the torsion spring 38 urges the pawl 39 to the right against the right side wall of the pawl seat 36. The lower end of the right side wall of the pawl seat 36 is provided with a notch, so that when the pulling plate assembly 3 moves reversely, the pawl 39 rotates anticlockwise under the action of the crowbar 24 to perform similar nodding action, so as to ensure that the pulling plate assembly 3 smoothly returns.

In the present embodiment, the gear 32 and the dial 33 are mounted on the seat plate 31 through a bearing seat 34, two bearing seats 34 are arranged at intervals in the front-rear direction, a rotating shaft 35 whose axis extends in the front-rear direction is rotatably provided on the bearing seats 34 through a ball bearing 354, and the dial 33 is fixedly mounted on the rotating shaft 35 and located between the two bearing seats 34. The gear 32 is mounted to the rear end of the rotary shaft 35 through a one-way bearing 353, so that the gear 32 can rotate the rotary shaft 35 only when the pulling plate assembly 3 moves toward the filter plate 2.

The gear 32 is connected to the one-way bearing 353 by a key, and a cover plate 352 is provided at the rear end of the gear 32, and the cover plate 352 axially positions the gear 32. One-way bearing 353 is mounted on rotating shaft 35 through a key connection, the inner side of one-way bearing 353 is positioned through a shaft shoulder, the outer side of one-way bearing 353 is positioned through end cover 351, and end cover 351 is fixed with rotating shaft 35 through a screw thread.

In this embodiment, rollers 22 are rotatably disposed at the inner ends of the mounting seats 21, and the rollers 22 move along the upper surfaces of the filter plate rails 12, so as to drive the filter plates 2 to move left and right.

In this embodiment, the pulling plate assembly 3 is connected to the trolley rail 11 via the adapter plate 4.

In this embodiment, a press 103 is disposed at the right end of the frame 106, and a pressure plate assembly 102 is disposed between the rightmost filter plate 2 and the press 103, wherein during normal filtration, the pressure plate assembly 102 pushes the filter plate 2 under the action of the press 103, so that the filter plates 2 are closely arranged, tightly pressed and abutted against the thrust plate 1.

With the above embodiment, the use principle and the working process of the present invention are as follows: at the end of a filtration process, the introduction of the wastewater to be treated into the filter plate 2 is stopped, and the press 103 returns the pressing plate assembly 102 to the starting position. The pulling plate assembly 3 is gradually moved toward the filter plate 2, and the pawls 39 hit the crowbars 24 one by one. The pulling plate assembly 3 touches a crowbar 24 on the left filter plate 2 in two adjacent filter plates 2, the crowbar 24 rotates around the axis and the arc surface of the jacking part extrudes the fulcrum seat 23 of the right filter plate 2, and the right filter plate 2 is pried, so that the right filter plate 2 moves rightwards, and the filter plate 2 is opened.

The pulling plate assembly 3 continues to move, the gear 32 is continuously meshed with the rack 13, the gear 32 drives the driving plate 33 to rotate, the driving rod 331 rotates to drive the crowbar 24 to rotate, and the crowbar 24 extrudes the fulcrum seat 23 on the filter plate 2 per se to transmit the speed to the whole filter plate 2. The filter plate 2 is moved and swung to the right once during the rotation of the driver 331 by a driver plate 33, so that after the filter plate is opened by the pawls 39 in advance, the driver plate 33 makes the distance between the filter plate 2 and the driver plate large, which facilitates the filter cake to fall off, and the filter plate swings to help throw off the filter cake and filter residues stuck on the filter plate 2. Through the action of the two drive plates 33, the filter plate 2 moves and swings rightwards twice, and the effect of filter cake falling can be ensured. With the continuous movement of the pulling plate assembly 3, all the filter plates 2 are pulled apart in sequence, and the filter cake falls off at an accelerated rate during the oscillation of the filter plates 2.

After the plate is opened, the pulling plate component 3 returns along the trolley track 11, the shifting rod 331 is not driven to rotate due to the rotation of the action gear 32 of the one-way bearing 353, the shifting disc 33 is driven to rotate by the crowbar 24, the rotation of the gear 32 cannot be influenced, the crowbar 24 extrudes the pawl 39 to move in a nodding manner, and the movement of the pulling plate component 3 cannot be blocked. The pulling plate component 3 can smoothly complete the return stroke, and the whole machine can be ready for the next work.

The present invention is not limited to the above preferred embodiments, and any modifications, equivalent substitutions, improvements, etc. within the spirit and principle of the present invention should be included in the protection scope of the present invention.