CN212854791U

CN212854791U - Liquid drainage structure of plate-and-frame filter press

Info

Publication number: CN212854791U
Application number: CN202021538625.0U
Authority: CN
Inventors: 代军; 成奇; 杨付攀
Original assignee: Zhejiang Beihede Pharmaceutical Co ltd
Current assignee: Zhejiang Beihede Pharmaceutical Co ltd
Priority date: 2020-07-29
Filing date: 2020-07-29
Publication date: 2021-04-02
Anticipated expiration: 2030-07-29

Abstract

The utility model relates to a flowing back structure of plate and frame pressure filter, it includes the body of plate and frame of connection on the body of plate and frame pressure filter, the body is improved level the interval and is provided with a plurality of fluid-discharge tubes, all be provided with the flowing back valve on a plurality of fluid-discharge tubes, be provided with drain in the frame, drain is including mechanism and elevating system that opens and shuts, elevating system installs in the frame, the mechanism that opens and shuts slides and installs in the frame, the mechanism that opens and shuts includes the centre gripping subassembly, two sliding plates and two first driving pieces, two sliding plates vertical both ends of installing in the frame that slide respectively, elevating system is connected with two sliding plates, two first driving pieces are installed respectively on two sliding plates, the centre gripping subassembly slides and installs in the frame and is connected with two first driving pieces, the centre gripping subassembly is located the top of flowing back valve. The liquid discharging valve has the effects of reducing time spent in opening or closing all liquid discharging valves and improving production efficiency.

Description

Liquid drainage structure of plate-and-frame filter press

Technical Field

The application relates to the technical field of plate and frame filter press equipment, in particular to a liquid drainage structure of a plate and frame filter press.

Background

At present, a plate-and-frame filter press is the first machine applied to chemical dehydration and has the advantages of large filtration driving force, high solid content of filter cakes, clear filtrate, high solid recovery rate, low consumption of conditioning medicines and the like.

The utility model discloses a current chinese utility model patent that bulletin number is CN209885319U discloses a high-efficient diaphragm filter press, including the host computer, the host computer includes the frame and is no less than two diaphragm filter plates, and the side that the diaphragm filter plate is close to each other all is provided with the filter cloth, forms the filter chamber between two adjacent diaphragm filter plates, is provided with the fluid-discharge tube on the diaphragm filter plate, the one end of fluid-discharge tube fix on the diaphragm filter plate and with the filter chamber intercommunication of diaphragm filter plate both sides. And as can be seen from the attached drawings, all the liquid discharge pipes are provided with liquid discharge valves for controlling the opening and closing of the liquid discharge pipes, after the diaphragm filter plates are pressed tightly, moisture in the material enters the filter chamber through the filter membrane, and the moisture flows out of the filter chamber through the liquid discharge pipes, so that the moisture in the material is separated from the solid.

With respect to the related art among the above, the inventors consider that the following drawbacks exist: in the production process of the filter press, an operator needs to open the drain valve one by one, the moisture in the filter chamber can flow out through the drain pipe, and a large amount of time can be wasted in the process of opening or closing the drain valve, so that the production efficiency is reduced.

SUMMERY OF THE UTILITY MODEL

In order to reduce the time taken to open or close the drain valve, the present application provides a drain structure of a plate and frame filter press.

The application provides a flowing back structure of plate and frame pressure filter adopts following technical scheme:

a liquid discharging structure of a plate and frame filter press comprises a body of the plate and frame filter press and a frame connected to the body, wherein a plurality of liquid discharging pipes are horizontally arranged on the body at intervals, liquid discharging valves are arranged on the liquid discharging pipes, a liquid discharging device is arranged on the frame and comprises an opening and closing mechanism and a lifting mechanism, the lifting mechanism is arranged on the frame, the opening and closing mechanism is arranged on the frame in a sliding manner and comprises a clamping component, two sliding plates and two first driving pieces, the two sliding plates are respectively arranged at two ends of the frame in a vertical sliding manner, the lifting mechanism is connected with the two sliding plates, the two first driving pieces are respectively arranged on the two sliding plates, the clamping component is arranged on the frame in a sliding manner and is connected with the two first driving pieces, and the clamping component is positioned above the liquid discharging valves, the drain valve may be connected to the clamping assembly.

Through adopting above-mentioned technical scheme, after all filter plates on the plate and frame filter press compress tightly, elevating system drive slide plate vertically slides in the frame, when slide plate vertically slides downwards and is close to the flowing back valve, the valve switch on all flowing back valves all is connected with the centre gripping subassembly, first driving piece drive centre gripping subassembly slides, the centre gripping subassembly rotates all valve switches, thereby open all flowing back valves, make the filtrating in the filter plate can get rid of, thereby can control opening or closing of all flowing back valves simultaneously, thereby the time of spending when having reduced and opening or closing all flowing back valves, and the production efficiency is improved.

Preferably, first driving piece includes first cylinder, mount, sliding block and is curved slide bar, first cylinder and mount are installed respectively the both sides of sliding plate, the one end of slide bar is installed on the mount, two the pitch arc direction of slide bar is the same, sliding block slides and installs on the slide bar and with first cylinder slides and connects, two sliding block all with the centre gripping subassembly is connected.

By adopting the technical scheme, when the valve switches on all the liquid discharge valves are connected with the clamping assembly, the first air cylinder drives the sliding block to slide on the sliding rod, and when the sliding block slides along the arc-shaped sliding rod, the sliding block drives the clamping assembly to slide along the arc direction of the sliding rod to open the valve switches on all the liquid discharge valves, so that all the valve switches can be opened at the same time; when the valve switches are closed, the first air cylinder reversely drives the sliding block to move, so that the sliding block drives the clamping assembly to reversely move, and all the valve switches are closed.

Preferably, a driving block is arranged on a piston rod of the first cylinder, a cylindrical supporting block is arranged on the lower end face of the sliding block, a strip-shaped hole is formed in the upper end face of the driving block, the length direction of the strip-shaped hole is perpendicular to the length direction of the piston rod of the first cylinder, and the supporting block is installed in the strip-shaped hole in a sliding mode.

By adopting the technical scheme, when the first cylinder pushes the driving block to slide, the driving block drives the sliding block to slide, the sliding block can slide and rotate when sliding on the sliding rod, and the sliding block drives the supporting block to slide when sliding, so that the supporting block slides in the strip-shaped hole, and the first cylinder can not generate interference when driving the sliding block to slide on the sliding rod.

Preferably, the clamping assembly comprises a sliding rod and a plurality of clamping pieces, two ends of the sliding rod are respectively rotatably installed on the two sliding blocks, the clamping pieces are horizontally installed on the sliding rod at intervals, and the clamping pieces are respectively connected with the liquid discharge valves.

Through adopting above-mentioned technical scheme, when the arc direction of sliding block along the slide bar slided, drive the slide bar and slide along the arc direction of slide bar, because the both ends of slide bar rotate respectively and install on two slide blocks to make slide bar length direction's angle can not take place to rotate, thereby make the distribution direction of a plurality of holders on the slide bar keep parallel with a plurality of flowing back valve's distribution direction.

Preferably, a plurality of vertical through holes are horizontally arranged on the sliding rod at intervals, the clamping piece comprises a clamping plate and a cylindrical rotating block, the diameter of the rotating block is the same as that of the through holes, the rotating blocks are respectively rotatably arranged in the through holes, the section of the clamping plate is in an inverted U shape, the clamping plate is arranged at the lower end of the rotating block, valve switches of the liquid discharge valves are respectively positioned in the openings of the clamping plates, and the length direction of the valve switches is parallel to the length direction of the clamping plate; the sliding rod is provided with a reset piece, and the upper ends of the rotating blocks are connected with the reset piece.

By adopting the technical scheme, when the sliding rod drives the plurality of rotating blocks to move along the arc direction of the sliding rod, the rotating blocks drive the valve switch to slide along the arc direction of the sliding rod, and in the sliding process, the rotating blocks rotate in the through holes and drive the valve switch to rotate simultaneously, so that the liquid discharge valve is opened or closed; when the sliding rod leaves the drain valve, the reset piece on the sliding rod can drive the rotating block to rotate, and the rotating block drives the clamping plates to rotate, so that all the clamping plates on the sliding rod are restored to the initial state.

Preferably, the piece that resets includes driving motor, first rack, drive gear and a plurality of first gear, driving motor is vertical to be installed the one end of sliding rod, drive gear coaxial arrangement be in on driving motor's the output shaft, it is a plurality of first gear is coaxial arrangement respectively a plurality of the upper end of turning block, first rack slides and installs on the sliding rod, drive gear and a plurality of first gear all with first rack toothing.

Through adopting above-mentioned technical scheme, driving motor drive gear rotates, and drive gear drives first rack and slides, and first rack drives a plurality of first gears and rotates simultaneously, and first gear drives the turning block and rotates, and the turning block drives the grip block and rotates to make all grip blocks rotate and make the length direction of grip block and valve switch's length direction parallel.

Preferably, elevating system sets up to two and is located respectively the both ends of frame, elevating system includes second driving piece, lifting gear and lifting rack, the second driving piece is installed the one end of frame, lifting gear rotates to be installed in the frame, the vertical sliding of lifting rack is installed the one end of frame and with the lifting gear meshing, lifting gear with the second driving piece is connected, lifting rack's one end with the sliding plate is connected.

Through adopting above-mentioned technical scheme, the vertical slip of second driving piece drive lifting rack to drive the vertical slip of sliding plate when making the vertical slip of lifting rack.

Preferably, the second driving member includes a second cylinder, a second rack and a second gear, the second cylinder is installed at one end of the frame, one end of the second rack is installed on a piston rod of the second cylinder, the second gear is rotatably installed on the frame and coaxially connected to the lifting gear, and the second rack is engaged with the second gear.

Through adopting above-mentioned technical scheme, the second cylinder drive second rack removes, and the second rack moves the second gear rotatory, and the second gear drives the lifting gear rotatory to make the vertical slip of lifting rack.

In summary, the present application includes at least one of the following beneficial technical effects:

1. through the arrangement of the liquid discharging device, the opening or closing of all the liquid discharging valves can be controlled simultaneously, the time spent in opening or closing all the liquid discharging valves is reduced, and therefore the production efficiency is improved.

2. Through the arrangement of the driving block, the driving cylinder can not interfere with the sliding block when the first cylinder drives the sliding block to slide on the sliding rod.

3. Through the setting of piece that resets, make the length direction of all grip blocks parallel with the length direction of valve switch.

Drawings

FIG. 1 is a schematic perspective view of a liquid discharge structure of a plate and frame filter press according to an embodiment of the present invention;

FIG. 2 is an enlarged schematic view of section A of FIG. 1;

fig. 3 is a schematic perspective view of an opening and closing mechanism of a liquid discharge structure of a plate-and-frame filter press according to an embodiment of the present application;

fig. 4 is a schematic perspective view of a resetting member of the liquid discharge structure of the plate-and-frame filter press according to the embodiment of the present application.

Reference numerals: 100. a body; 110. a frame; 111. mounting a plate; 112. a rotating shaft; 120. a liquid discharge pipe; 130. a drain valve; 300. a liquid discharge device; 400. a lifting mechanism; 410. a second driving member; 411. a second cylinder; 412. a second rack; 413. a second gear; 420. a lifting gear; 430. a lifting rack; 500. an opening and closing mechanism; 510. a clamping assembly; 511. a slide bar; 520. a slide plate; 530. a first driving member; 531. a first cylinder; 532. a fixed mount; 533. a sliding block; 534. a slide bar; 541. a drive block; 542. a strip-shaped hole; 550. connecting blocks; 561. a cross bar; 562. a connecting rod; 570. a clamping member; 571. a clamping plate; 572. rotating the block; 600. a reset member; 610. a drive motor; 620. a first rack; 630. a drive gear; 640. a first gear.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

Referring to fig. 1 and 2, a drain structure of a plate and frame filter press comprises a body 100 of the plate and frame filter press and a frame 110 connected to the body 100, wherein a plurality of drain pipes 120 are horizontally arranged on the body 100 at intervals, drain valves 130 are fixedly arranged on the plurality of drain pipes 120, and valve switches of the drain valves 130 are parallel to each other and parallel to the length direction of the drain pipes 120.

The drainage device 300 is disposed on the frame 110, the drainage device 300 includes two lifting mechanisms 400, and the two lifting mechanisms 400 are respectively mounted at two ends of the frame 110.

Referring to fig. 1 and 2, the lifting mechanism 400 includes a second driving member 410, a lifting gear 420 and a lifting rack 430, the second driving member 410 includes a second cylinder 411, a second rack 412 and a second gear 413, the two second cylinders 411 are respectively horizontally and fixedly installed at two ends of the frame 110, one end of the second rack 412 is horizontally and fixedly installed on a piston rod of the second cylinder 411, and the two second racks 412 are parallel to each other.

The two ends of the frame 110 are integrally provided with a vertical mounting plate 111, the mounting plate 111 is rotatably provided with a rotating shaft 112, the second gear 413 is coaxially and fixedly mounted at one end of the rotating shaft 112, and the second rack 412 and the second gear 413 are meshed with each other.

The lifting gear 420 is coaxially and fixedly installed at one end of the rotating shaft 112 far away from the second gear 413, and the lifting rack 430 is vertically slidably installed at one end of the rack 110 and meshed with the lifting gear 420.

Referring to fig. 2 and 3, the drainage device 300 further includes an opening and closing mechanism 500, the opening and closing mechanism 500 includes a clamping assembly 510, two sliding plates 520 and two first driving members 530, the two sliding plates 520 are vertically slidably mounted at two ends of the frame 110, respectively, and the upper end of the lifting rack 430 is fixedly connected with the sliding plates 520.

The first driving member 530 comprises first air cylinders 531, fixing frames 532, sliding blocks 533 and sliding rods 534, the two first air cylinders 531 are respectively and horizontally fixedly installed on the two sliding plates 520, the two fixing frames 532 are respectively and fixedly installed on the two sliding plates 520, and the two fixing frames 532 are both located on one side opposite to the two first air cylinders 531; the slide bar 534 sets up to a quarter ring, and the one end level fixed mounting of slide bar 534 is on mount 532, and two slide bars 534 lie in same one side of two mounts 532, and the pitch arc direction of two slide bars 534 is the same, offers the slide opening with slide bar 534 cooperation of sliding on the sliding block 533, and sliding block 533 slides and installs on slide bar 534.

A rectangular driving block 541 is arranged on a piston rod of the first air cylinder 531, the side wall of the driving block 541 is fixedly installed on the piston rod, and the length direction of the driving block 541 is perpendicular to the length direction of the piston rod; the fixed columniform supporting shoe that is provided with of lower terminal surface of sliding block 533, the strip hole 542 has been seted up to the up end of drive block 541, and the length direction of strip hole 542 is parallel with the length direction of drive block 541, and the supporting shoe horizontal slip is installed in strip hole 542.

Referring to fig. 2 and 3, the two sliding blocks 533 are rotatably provided with connecting blocks 550, the two connecting blocks 550 are provided with a cross rod 561, and two ends of the cross rod 561 are respectively fixedly connected with the two connecting blocks 550. Two connecting rods 562 are arranged on the cross rod 561, and one ends of the two connecting rods 562 are vertically and fixedly mounted at two ends of the cross rod 561 respectively.

Referring to fig. 2 and 3, the clamping assembly 510 includes a sliding rod 511 and a plurality of clamping members 570, the sliding rod 511 is located above the drain valve 130, and two ends of the sliding rod 511 are respectively fixedly connected to one ends of the two connecting rods 562 far away from the cross rod 561. A plurality of vertical through holes are horizontally arranged on the upper end surface of the sliding rod 511 at intervals, and after all the filter plates are pressed, the distance between the two through holes is the same as the distance between the two liquid discharge valves 130.

Referring to fig. 2 and 4, the clamping member 570 includes a clamping plate 571 and a cylindrical rotating block 572, the diameter of the rotating block 572 is the same as that of the through hole, and the plurality of rotating blocks 572 are rotatably installed in the plurality of through holes, respectively.

Referring to fig. 2 and 4, a reset member 600 is arranged on the sliding rod 511, the reset member 600 includes a driving motor 610, a first rack 620, a driving gear 630 and a plurality of first gears 640, the driving motor 610 is vertically and fixedly mounted at one end of the sliding rod 511, the driving gear 630 is coaxially and fixedly mounted on an output shaft of the driving motor 610, an upper end surface of the rotating block 572 upwards penetrates through the through hole, the plurality of first gears 640 are respectively coaxially and fixedly mounted at one ends of the plurality of rotating blocks 572 upwards penetrating through the through hole, the first rack 620 is horizontally and slidably mounted on the upper end surface of the sliding rod 511, a length direction of the first rack 620 is parallel to a length direction of the sliding rod 511, and the driving gear 630 and the plurality of first gears 640 are all meshed with the first rack 620.

Referring to fig. 2 and 4, the cross-section of the clamping plate 571 is in an inverted U shape, the clamping plate 571 is fixedly installed on the lower end surface of the rotating block 572, when the sliding rod 511 slides downward to approach the drain valve 130, the length direction of the valve switch is parallel to the length direction of the clamping plate 571, and the valve switches of the drain valves 130 are respectively inserted into the openings of the clamping plates 571.

The implementation principle of the flowing back structure of plate and frame filter press of the embodiment of this application is:

after all the filter plates are pressed tightly, the second cylinder 411 drives the second rack 412 to slide, the second rack 412 drives the second gear 413 to rotate when sliding, the second gear 413 drives the rotating shaft 112 to rotate, the rotating shaft 112 drives the lifting gear 420 to rotate, and the lifting gear 420 drives the lifting rack 430 to vertically slide.

When the lifting rack 430 slides, the sliding plate 520 is driven to vertically slide, the sliding plate 520 drives the first cylinder 531, the sliding block 533, the sliding rod 534 and the cross rod 561 to vertically slide, and the cross rod 561 drives the sliding rod 511 to vertically slide, so that the clamping plate 571 on the sliding rod 511 is close to the drain valve 130, and the valve switch is inserted into the clamping plate 571.

The first air cylinder 531 pushes the driving block 541 to slide, the driving block 541 drives the supporting block to move, the supporting block drives the sliding block 533 to slide on the sliding rod 534, when the sliding block 533 slides along the arc-shaped sliding rod 534, the sliding block 533 drives the rotating block 572 to slide along the arc direction of the sliding rod 534, the rotating rod drives the cross rod 561 to slide along the arc direction of the sliding rod 534, the cross rod 561 drives the connecting rod 562 to slide along the arc direction of the sliding rod 534, the connecting rod 562 drives the sliding rod 511 to slide along the arc direction of the sliding rod 534, the rotating block 572 is driven to slide when the sliding rod 511 slides, the rotating block 572 drives the clamping plate 571 to slide along the arc direction of the sliding rod 534, and therefore all valve switches are opened or closed.

When the clamping plates 571 rise and leave the valve switch, the driving motor 610 drives the driving gear 630 to rotate, the driving gear 630 drives the first rack 620 to slide, the first rack 620 drives the plurality of first gears 640 to rotate simultaneously, the first gears 640 drive the rotating blocks 572 to rotate, and the rotating blocks 572 drive the clamping plates 571 to rotate, so that all the clamping plates 571 rotate, and the length directions of the clamping plates 571 are parallel to the length direction of the valve switch.

The embodiments of the present invention are preferred embodiments of the present application, and the scope of protection of the present application is not limited by the embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a flowing back structure of plate and frame filter press, includes body (100) of plate and frame (110) of connection on body (100), body (100) are gone up horizontal interval and are provided with a plurality of fluid-discharge tubes (120), a plurality of all be provided with flowing back valve (130) on fluid-discharge tube (120), its characterized in that: the liquid discharging device (300) is arranged on the rack (110), the liquid discharging device (300) comprises an opening and closing mechanism (500) and a lifting mechanism (400), the lifting mechanism (400) is installed on the rack (110), the opening and closing mechanism (500) is installed on the rack (110) in a sliding mode, the opening and closing mechanism (500) comprises a clamping component (510), two sliding plates (520) and two first driving pieces (530), the two sliding plates (520) are installed at two ends of the rack (110) in a vertical sliding mode respectively, the lifting mechanism (400) is connected with the two sliding plates (520), the two first driving pieces (530) are installed on the two sliding plates (520) respectively, the clamping component (510) is installed on the rack (110) in a sliding mode and connected with the two first driving pieces (530), and the clamping component (510) is located above the liquid discharging valve (130), the drain valve (130) may be coupled to the clamping assembly (510).

2. The drain structure of a plate and frame filter press according to claim 1, wherein: first driving piece (530) include first cylinder (531), mount (532), sliding block (533) and be curved slide bar (534), install respectively first cylinder (531) and mount (532) the both sides of slide bar (520), install the one end of slide bar (534) on mount (532), two the pitch arc direction of slide bar (534) is the same, sliding block (533) slide install on slide bar (534) and with first cylinder (531) slide connection, two sliding block (533) all with clamping component (510) are connected.

3. The drain structure of a plate and frame filter press according to claim 2, wherein: a driving block (541) is arranged on a piston rod of the first air cylinder (531), a cylindrical supporting block is arranged on the lower end face of the sliding block (533), a strip-shaped hole (542) is formed in the upper end face of the driving block (541), the length direction of the strip-shaped hole (542) is perpendicular to the length direction of the piston rod of the first air cylinder (531), and the supporting block is installed in the strip-shaped hole (542) in a sliding mode.

4. The drain structure of a plate and frame filter press according to claim 2, wherein: the clamping assembly (510) comprises a sliding rod (511) and a plurality of clamping pieces (570), two ends of the sliding rod (511) are respectively rotatably installed on the two sliding blocks (533), the plurality of clamping pieces (570) are horizontally installed on the sliding rod (511) at intervals, and the plurality of clamping pieces (570) are respectively connected with the plurality of drain valves (130).

5. The drain structure of a plate and frame filter press according to claim 4, wherein: a plurality of vertical through holes are formed in the sliding rod (511) at intervals, the clamping piece (570) comprises a clamping plate (571) and a cylindrical rotating block (572), the diameter of the rotating block (572) is the same as that of the through holes, the rotating blocks (572) are respectively rotatably installed in the through holes, the section of the clamping plate (571) is in an inverted U shape, the clamping plate (571) is installed at the lower end of the rotating block (572), the valve switches of the liquid discharge valves (130) are respectively located in the openings of the clamping plate (571), and the length direction of the valve switches is parallel to the length direction of the clamping plate (571); the sliding rod (511) is provided with a reset piece (600), and the upper ends of the plurality of rotating blocks (572) are connected with the reset piece (600).

6. The drain structure of a plate and frame filter press according to claim 5, wherein: the piece that resets (600) includes driving motor (610), first rack (620), drive gear (630) and a plurality of first gear (640), driving motor (610) is vertical to be installed the one end of glide rod (511), drive gear (630) coaxial arrangement be in on the output shaft of driving motor (610), it is a plurality of first gear (640) coaxial arrangement respectively is a plurality of the upper end of turning block (572), first rack (620) is slided and is installed on glide rod (511), drive gear (630) and a plurality of first gear (640) all with first rack (620) meshing.

7. The drain structure of a plate and frame filter press according to claim 1, wherein: elevating system (400) set up to two and are located respectively the both ends of frame (110), elevating system (400) include second driving piece (410), lifting gear (420) and lifting rack (430), second driving piece (410) are installed the one end of frame (110), lifting gear (420) rotate to be installed on frame (110), lifting rack (430) vertical slip install the one end of frame (110) and with lifting gear (420) meshing, lifting gear (420) with second driving piece (410) are connected, the one end of lifting rack (430) with slide plate (520) are connected.

8. The drain structure of a plate and frame filter press according to claim 7, wherein: the second driving part (410) comprises a second air cylinder (411), a second rack (412) and a second gear (413), the second air cylinder (411) is installed at one end of the rack (110), one end of the second rack (412) is installed on a piston rod of the second air cylinder (411), the second gear (413) is rotatably installed on the rack (110) and coaxially connected with the lifting gear (420), and the second rack (412) is meshed with the second gear (413).