CN214232923U - Circulating draw-close plate filter press - Google Patents

Abstract

The utility model discloses a circulation draws and closes board filter press, including girder, thrust plate, filter plate handle, arm-tie ware, push pedal, pressure frame, chain and sprocket, the thrust plate sets up on the girder, and the sprocket setting is at the girder both ends, and the chain is installed on the sprocket, and the filter plate handle sets up in the filter plate both sides, and the arm-tie ware interval sets up on the chain, and the pressure frame sets up in the push pedal, the arm-tie hook and the filter plate handle joint of arm-tie ware. The application discloses circulation draws and closes board filter press, through chain circulation pulling arm-tie ware, the arm-tie hook pulling filter plate handle of arm-tie ware drives the filter plate and removes, one filter plate before the arm-tie hook can promote when the right side, draw current filter plate and preceding filter plate to draw close, the atress is mild when the arm-tie hook promotes the filter plate, prevent the resilience of filter plate, with the filter plate plywood, the push-and-pull moves simultaneously, reduce space between the filter plate, it is more in quantity to set up the filter plate under same length, filter area is bigger, the throughput of pressure filter is improved.

Description

Circulating draw-close plate filter press

Technical Field

The utility model relates to a pressure filter technical field, in particular to circulation draws closing plate filter press.

Background

The filter press is an important solid-liquid separation device, a filter plate is closed to form a closed filter chamber, a filter cake is formed in the filter chamber after materials are filtered, and then the filter cake is removed after the filter plate is pulled open. The filter plate is pulled open and closed, which is the most basic action of the filter press, and not only determines the working efficiency of the filter press, but also determines the whole structure of the filter press. In order to improve the efficiency and increase the yield, the filtering area of the filter press is larger and larger, and the market needs a more efficient opening and closing form of the filter plate. At present, a plate pulling device for pulling and pulling a filter plate dragged by a chain is commonly used in the industry of filter presses, the plate pulling device is used for pulling and pulling the plate through repeated reciprocating operation, the consumed time is long, and the plate pulling device is high in working frequency and easy to damage.

When the plate pulling device of the prior model pulls the filter plate to the tail end, the plate pulling device releases the filter plate to cause rebound, so that a gap of 5-10mm exists between the filter plates, the thickness of the prior common filter plate is calculated as 60-90mm, about 10 percent of the filter area is wasted, and the working stroke of a hydraulic cylinder is required to be increased for pressing the filter plate, thereby causing ineffective waste of production cost and working time.

Therefore, how to improve the processing capacity of the filter press is a technical problem to be solved urgently by those skilled in the art.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a circulation draws closing plate filter press can reduce arm-tie ware working strength, improves the pressure filter throughput.

In order to solve the technical problem, the utility model provides a circulation draws and closes board filter press, including girder, thrust plate, filter plate handle, arm-tie ware, push pedal, pressure frame, chain and sprocket, the thrust plate set up in on the girder, the sprocket sets up the girder both ends, the chain is installed sprocket is last, the filter plate handle set up in the filter plate both sides, the arm-tie ware interval sets up on the chain, pressure frame is arranged in the push pedal, the arm-tie hook of arm-tie ware with filter plate handle joint.

Preferably, the plate pulling device comprises a plate pulling frame, a compression spring, a chain pin shaft and a first pin shaft, wherein the plate pulling hook is hinged to the plate pulling frame through the first pin shaft, one end of the compression spring is connected with the plate pulling hook, the other end of the compression spring is connected with the plate pulling frame, and the chain pin shaft is used for connecting the plate pulling frame with the chain.

Preferably, the plate pulling device further comprises a second pin shaft, and the limiting through hole of the plate pulling hook is in clamping connection with the second pin shaft for limiting.

Preferably, the pulling plate hook and the pulling plate frame are both provided with limiting protrusions for mounting the compression spring.

Preferably, the draw plate hook is provided with a transition surface, a hook protrusion and a hook inclined surface, the transition surface is positioned at the tail end of the draw plate hook, and the hook protrusion and the hook inclined surface are positioned at the front end of the draw plate hook.

Preferably, a round shaft is arranged on the filter plate handle, and a shaft sleeve is sleeved on the round shaft.

Preferably, the filter plate handle is further provided with a retainer ring for fixing the shaft sleeve.

Preferably, the main beam further comprises a chain rack arranged on the main beam, and the chain slides along the upper part of the chain rack.

Preferably, the main beam further comprises a chain rack arranged on the main beam, and the chain slides along the upper part of the chain rack.

Preferably, the main beam is further provided with a bracket, the bracket is located below the chain frame, and the bracket is provided with an adjusting bolt and a locking nut.

Preferably, the fall-down frame is a fall-down wheel.

Preferably, the side of the filter plate handle is provided with a plate locking device, a plate pulling hook of the plate pulling device is connected with a connecting rod of the plate locking device in a clamping manner, and the plate locking hook of the plate locking device is connected with a circular shaft of the filter plate handle in a clamping manner.

Preferably, a positioning frame is arranged on the filter plate handle, and an upper blocking piece and a lower blocking piece are arranged on the positioning frame.

The utility model provides a circulation draws and closes board filter press, including girder, thrust plate, filter plate handle, arm-tie ware, push pedal, pressure frame, chain and sprocket, the thrust plate sets up on the girder, and the sprocket setting is at the girder both ends, and the chain is installed at the sprocket, and the filter plate handle sets up in the filter plate both sides, and the arm-tie ware interval sets up on the chain, and the pressure frame sets up in the push pedal, the arm-tie hook and the filter plate handle joint of arm-tie ware. The application discloses circulation draws and closes board filter press, through chain circulation pulling arm-tie ware, the arm-tie hook pulling filter plate handle of arm-tie ware drives the filter plate and removes, one filter plate before the arm-tie hook can promote when the right side, draw current filter plate and preceding filter plate to draw close, the atress is mild when the arm-tie hook promotes the filter plate, prevent the resilience of filter plate, with the filter plate plywood, the push-and-pull moves simultaneously, reduce space between the filter plate, it is more in quantity to set up the filter plate under same length, filter area is bigger, the throughput of pressure filter is improved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.

Fig. 1 is a schematic overall structure diagram of a specific implementation manner of a first embodiment of the present invention;

FIG. 2 is a schematic view of the plate puller of FIG. 1 in an operating position below the filter plate handle;

FIG. 3 is a schematic view of the plate puller of FIG. 1 in an operating state with the plate pulling hook hooked on the handle of the filter plate;

FIG. 4 is a schematic view of the plate puller of FIG. 1 in a working state when touching and pressing the rack;

fig. 5 is a schematic view of the plate puller shown in fig. 1 in an operating state when the plate puller pulls the filter plate and pushes the filter plate to close;

FIG. 6 is a schematic view of the push plate of FIG. 1 in an open state;

FIG. 7 is a schematic view of the circular shaft structure shown in FIG. 1;

fig. 8 is a schematic overall structure diagram of a specific implementation manner of a second embodiment of the present invention;

FIG. 9 is a schematic view of the plate locking device shown in FIG. 8;

FIG. 10 is a top view of the plate locker installation shown in FIG. 8;

FIG. 11 is a perspective view of the plate locker shown in FIG. 8;

FIG. 12 is a schematic view of the plate puller of FIG. 8 in an operative position beneath the filter plate handle;

FIG. 13 is a schematic view of the plate puller of FIG. 8 in an operative position with the plate pulling hooks engaging the handles of the filter plates;

FIG. 14 is a schematic view of the plate puller of FIG. 8 in operation when it touches the flip frame;

FIG. 15 is a schematic view of the plate locking device of FIG. 8 with the plate locking hook engaging the handle;

FIG. 16 is a schematic view of the push plate of FIG. 8 in an extended position.

Wherein, in fig. 1-16:

girder-1, thrust plate-2, filter plate-3, filter plate handle-4, main body-41, round shaft-42, locating rack-43, check ring-44, shaft sleeve-45, plate locking device-5, plate locking hook-51, connecting rod-52, support-53, round hole-54, plate pulling device-6, plate pulling rack-61, plate pulling hook-62, limiting through hole-621, transition surface-622, limiting bulge-623, hook bulge-624, hook inclined surface-625, compression spring-63, chain pin shaft-64, first pin shaft-65, second pin shaft-66, push plate-7, collapse rack-8, chain-9, sprocket-10, chain rack-11, bracket-12, adjusting bolt-13 and locking nut-14.

Detailed Description

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

Example one

Referring to fig. 1 to 7, fig. 1 is a schematic overall structure diagram of a specific implementation of a first embodiment of the present invention; FIG. 2 is a schematic view of the plate puller of FIG. 1 in an operating position below the filter plate handle; FIG. 3 is a schematic view of the plate puller of FIG. 1 in an operating state with the plate pulling hook hooked on the handle of the filter plate; FIG. 4 is a schematic view of the plate puller of FIG. 1 in a working state when touching and pressing the rack; fig. 5 is a schematic view of the plate puller shown in fig. 1 in an operating state when the plate puller pulls the filter plate and pushes the filter plate to close; FIG. 6 is a schematic view of the push plate of FIG. 1 in an open state; fig. 7 is a schematic view of the circular shaft structure shown in fig. 1. Wherein the arrows in the figure indicate the direction of movement.

The utility model provides an among the concrete implementation mode, mainly include girder 1, thrust plate 2, filter plate 3, filter plate handle 4, arm-tie ware 6, push pedal 7, fall down 8, chain 9 and sprocket 10, thrust plate 2 sets up on girder 1, sprocket 10 sets up at girder 1 both ends, chain 9 is installed on sprocket 10, filter plate handle 4 sets up in filter plate 3 both sides, arm-tie ware 6 interval sets up on chain 9, fall down 8 sets up in push pedal 7, arm-tie hook 62 and filter plate handle 4 joint of arm-tie ware 6.

Wherein, sprocket 10 sets up at 1 both ends of girder, chain 9 is installed on sprocket 10, sprocket 10 is used for driving chain 9 and rotates, filter plate handle 4 sets up in filter plate 3 both sides, filter plate handle 4 is used for driving filter plate 3 and removes, 6 intervals of arm-tie ware set up on chain 9, arm-tie ware 6 is used for pulling filter plate 3, the pressure frame 8 sets up on push pedal 7, push pedal 7 is used for blockking the filter plate 3 continuation motion of the completion of unloading, arm-tie hook 62 and the 4 joints of filter plate handle of arm-tie ware 6.

Specifically, in the practical application process, the power source drives the sprocket 10 to rotate, the sprocket 10 drives the chain 9 mounted on the sprocket 10 to rotate circularly, the chain 9 drives the plate pulling device 6 mounted on the chain 9 to move, the plate pulling hook 62 of the plate pulling device 6 moving from the end of the thrust plate 2 is pressed down by the filter plate handle 4, the plate pulling device 6 passes through the bottom of the filter plate handle 4, when the plate pulling device 6 moves to the position below the filter plate handle 4 of the outermost filter plate 3 placed side by side, the filter plate handle 4 loses the limitation on the plate pulling hook 62, the plate pulling hook 62 resets and then hooks the filter plate handle 4, the plate pulling hook 62 of the plate pulling device 6 and the filter plate handle 4 form a clamping state, the plate pulling device 6 pulls the filter plate 3 to move to realize discharging of the filter cake, in the process, the plate pulling hook 62 of the plate pulling device 6 pulls the filter plate 3 to move, when the plate hook 62 pushes the previous filter plate 3 to the right side, and draws the current filter plate 3 and the previous filter plate 3 together, through compression spring 63 to the promotion of arm-tie hook 62, the atress is mild when arm-tie hook 62 promotes filter plate 3, prevents the resilience of filter plate 3, and the push-and-pull moves simultaneously, realizes the plywood action, reduces the space between 3 filter plates, and it is more to set up filter plate 3 quantity under the same length, and filter area is bigger, improves pressure filter throughput.

In order to optimize the pulling effect of the pulling plate device 6 on the filter plates 3 in the middle-circulation pulling-closing plate filter press in the above embodiment, the pulling plate device 6 includes a pulling plate frame 61, a compression spring 63, a chain pin shaft 64 and a first pin shaft 65, the pulling plate hook 62 is hinged with the pulling plate frame 61 through the chain pin shaft 64, a limiting through hole 621 of the pulling plate hook 62 is hinged with the pulling plate frame 61 through a second pin shaft 66, one end of the compression spring 63 is connected with the pulling plate hook 62, the other end of the compression spring 63 is connected with the pulling plate frame 61, and the chain pin shaft 64 is used for connecting the pulling plate frame 61 with the chain 9; the plate pulling device 6 further comprises a second pin shaft 66, and a limiting through hole 621 of the plate pulling hook 62 is clamped and limited with the second pin shaft 66; the pulling plate hook 62 and the pulling plate frame 61 are both provided with a limiting projection 623 for mounting the compression spring 63. The pulling plate hook 62 is hinged with the pulling plate frame 61 through a chain pin shaft 64, so that the pulling plate hook 62 can rotate around the chain pin shaft 64 when the pulling plate hook 62 is pressed down by the filter plate handle 4, a limit through hole 621 of the pulling plate hook 62 is hinged with the pulling plate frame 61 through a second pin shaft 66, the compression spring 63 is used for limiting the pulling plate hook 62 when the pulling plate hook 62 is reset, meanwhile, a limit bulge 623 is designed at the lower side of the pulling plate hook 62 and prevents the compression spring 63 from falling off, the specific process is that when the pulling plate 6 moves to the lower side of the filter plate handle 4, the pulling plate hook 62 of the pulling plate 6 is pressed down by the filter plate handle 4, the pulling plate hook 62 rotates around the chain pin shaft 64 so that the pulling plate 6 passes through the lower side of the filter plate handle 4, when the pulling plate 6 moves to the lower side of the filter plate handle 4 of the outermost filter plate 3, the pulling plate hook 62 of the pulling plate 6 loses the limit of the filter plate handle 4, due to the existence of the compression spring 63, the pulling plate hook 62 of the pulling plate device 6 is reset upwards, the pulling plate hook 62 is clamped with the filter plate handle 4 of the filter plate 3, and the pulling plate device 6 pulls the filter plate 3 to move so as to achieve the purpose of discharging.

In the above embodiment, the limiting protrusions 623 are used for mounting the compression springs 63, and two ends of one of the compression springs 63 are respectively and fixedly mounted on the limiting protrusions 623.

It should be noted that the second pin shaft 66 slides along the limiting through hole 621, so that the movement form of the pull plate hook 62 is kept stable, and the limiting through hole 621 is arranged in the middle of the pull plate hook 62, so that the overall weight of the pull plate hook 62 can be reduced, and the light-weight design requirement is met.

Based on this, the pulling plate hook 62 is provided with a transition surface 622, a hook projection 624 and a hook inclined surface 625, wherein the transition surface 622 is located at the tail end of the pulling plate hook 62, and the hook projection 624 and the hook inclined surface 625 are located at the front end of the pulling plate hook 62. When the board is pulled, the chain 9 drives the board pulling device 6 to move, the transition surface 622 of the board pulling hook 62 contacts the filter board handle 4 or the pressure frame 8, the board pulling hook 62 is pressed down by the filter board handle 4 or the pressure frame 8, so that the board pulling hook 62 stably moves along with the chain 9, and the transition surface 622 is provided with an inclined structure surface which can push the previous filter board handle 4 to fold, thereby the board is closed on the front and the back filter boards 3. When the press-down rack 8 moves outwards along with the push plate 7, the press-down rack 8 comes into contact with the hook slope 625 and gradually moves along the hook slope 625 to press down the pull hook 62, so that the push plate 7 moves outwards smoothly, and the press-down rack 8 is prevented from impacting and damaging the pull hook 62. Of course, the pull plate hook 62 is further provided with a hook projection 624, and the hook projection 624 is beneficial to form a stable hook with the filter plate handle 4 and draw the filter plate 3 to move.

Further, a round shaft 42 is arranged on the filter plate handle 4, a shaft sleeve 45 is sleeved on the round shaft 42, in the process that the pulling plate hook 62 is clamped with the filter plate handle 4, the pulling plate hook 62 of the pulling plate device 6 passes through the bottom of the filter plate handle 4, and the rotating shaft sleeve 45 sleeved outside the round shaft 42 is in contact with the pulling plate hook 62 of the pulling plate device 6, so that the pulling plate device 6 can pass below the filter plate handle 4, the abrasion of the filter plate handle 4 and the pulling plate hook 62 is avoided, and the service lives of the filter plate handle 4 and the pulling plate device 6 are prolonged.

It should be further noted that a retainer ring 44 for fixing a shaft sleeve 45 is further disposed on the filter plate handle 4, and the retainer ring 44 can fix the shaft sleeve 45 sleeved on the circular shaft 42, so as to prevent the shaft sleeve 45 from dropping off the circular shaft 42, which results in abnormal operation.

It should be noted that the circulating closure plate filter press further comprises a chain frame 11 arranged on the main beam 1, and the chain 9 slides along the upper part of the chain frame 11; the main beam 1 is also provided with a bracket 12, the bracket 12 is positioned below the chain rack 11, and the bracket 12 is provided with an adjusting bolt 13 and a locking nut 14. Set up chain frame 11, can make chain 9 move on chain frame 11, guarantee the stability of chain 9 operation, bracket 12 sets up on girder 1, sets up ascending bolt hole on bracket 12, and adjusting bolt 13 passes the bolt hole to lock through lock nut 14, with this, can adjust the height of chain frame 11 and chain 9, with the different site conditions of adaptation.

Example two

Referring to fig. 8 to 16, fig. 8 is a schematic overall structure diagram of a second embodiment of the present invention; FIG. 9 is a schematic view of the plate locking device shown in FIG. 8; FIG. 10 is a top view of the plate locker installation shown in FIG. 8; FIG. 11 is a perspective view of the plate locker shown in FIG. 8; FIG. 12 is a schematic view of the plate puller of FIG. 8 in an operative position beneath the filter plate handle; FIG. 13 is a schematic view of the plate puller of FIG. 8 in an operative position with the plate pulling hooks engaging the handles of the filter plates; FIG. 14 is a schematic view of the plate puller of FIG. 8 in operation when it touches the flip frame; FIG. 15 is a schematic view of the plate locking device of FIG. 8 with the plate locking hook engaging the handle; FIG. 16 is a schematic view of the push plate of FIG. 8 in an extended position. Wherein the arrows in the figure indicate the direction of movement.

The utility model provides an in embodiment two's a detailed implementation, mainly include girder 1, sprocket 10, chain 9, the frame 8 that falls down, arm-tie ware 6, jam plate ware 5, filter plate 3 and filter plate handle 4, sprocket 10 sets up at girder 1 both ends, chain 9 is installed on sprocket 10, filter plate handle 4 sets up in filter plate 3 both sides, arm-tie ware 6 interval sets up on chain 9, jam plate ware 5 sets up on filter plate handle 4, the frame 8 that falls down sets up on push pedal 7, arm-tie hook 62 and the connecting rod 52 joint of jam plate ware 5 of arm-tie ware 6, the jam plate hook 51 of jam plate ware 5 and the round axle 42 joint of filter plate handle 4.

Wherein, sprocket 10 sets up at 1 both ends of girder, chain 9 is installed on sprocket 10, sprocket 10 is used for driving chain 9 and rotates, filter plate handle 4 sets up in filter plate 3 both sides, filter plate handle 4 is used for driving filter plate 3 and removes, the interval of arm-tie ware 6 sets up on chain 9, jam plate ware 5 sets up on filter plate handle 4, arm-tie ware 6 is used for pulling filter plate 3 with the cooperation of jam plate ware 5, the pressure frame 8 sets up on push pedal 7, push pedal 7 is used for blockking the filter plate 3 continuation motion of the completion of unloading, arm-tie hook 62 of arm-tie ware 6 and the connecting rod 52 joint of jam plate ware 5, the jam plate hook 51 of jam plate ware 5 and the round axle 42 joint of filter plate handle 4.

The side edge of the filter plate handle 4 is provided with a plate locking device 5, a plate pulling hook 62 of the plate pulling device 6 is clamped with a connecting rod 52 of the plate locking device 5, and a plate locking hook 51 of the plate locking device 5 is clamped with a round shaft 42 of the filter plate handle 4. By arranging the plate locking device 5 at the side edge of the filter plate handle 4, in the actual operation process, the power source drives the chain wheel 10 to rotate, the chain wheel 10 drives the chain 9 arranged on the chain wheel 10 to circularly rotate, the chain 9 drives the plate pulling device 6 arranged on the chain 9 to move, the plate pulling hook 62 of the plate pulling device 6 moving from the end of the thrust plate 2 is pressed down by the round shaft 42 on the filter plate handle 4, the plate pulling device 6 passes through the bottom of the filter plate handle 4, when the plate pulling device 6 moves to the position below the filter plate handle 4 of the outermost filter plate 3 arranged side by side, the round shaft 42 of the filter plate handle 4 loses the limit on the plate pulling hook 62, the plate pulling hook 62 resets, then the connecting rod 52 of the plate locking device 5 and the round shaft 42 of the filter plate handle 4 are hooked, the plate pulling hook 62 of the plate pulling device 6 and the connecting rod 52 of the plate locking device 5 form a clamping state, and before, the plate locking hook 51 of the plate locking device 5 is clamped with the round shaft 42 of the filter plate handle 4, because the draw plate hook 62 resets, the connecting rod 52 is stressed to drive the lock plate hook 51 to tilt, the lock plate hook 51 is unlocked with the previous filter plate handle 4, therefore, the draw plate device 6 pulls the filter plate 3 to move to realize filter cake discharging, in the process, the draw plate hook 62 of the draw plate device 6 pulls the filter plate 3 to move, the draw plate hook 62 can push the previous filter plate 3 when the filter plate reaches the right side, the current filter plate 3 and the previous filter plate 3 are closed, the stress is gentle when the draw plate hook 62 pushes the filter plate 3, the rebound of the filter plate 3 is prevented, the push and pull are simultaneously performed, the plywood operation is realized, the lock plate device 5 plays a role in compacting the filter plate 3, the gaps among the filter plates 3 are reduced, more filter plates 3 are arranged under the same length, the filtering area is larger, and the processing capacity of the filter press is improved.

It should be noted that, the limiting protrusion 623 is used for installing the compression spring 63, and the compression spring 63 has two structures, so that the elasticity is softer, and the impact is reduced.

It should be noted that, in the connection structure between the plate locking device 5 and the filter plate handle 4, the bracket 53 and the plate locking hook 51 of the plate locking device 5 are both provided with a circular hole 54 for matching connection with the circular shaft 42. A bracket 53 is arranged at a vertical plane position perpendicular to the position of the plate locking hook 51, round holes 54 matched and connected with the round shafts 42 are arranged at the end part of the bracket 53 and the plate locking hook 51, so that the plate locking device 5 is sleeved on the round shafts 42 of the filter plate handles 4 to form a connecting structure of the plate locking device 5 and the filter plate handles 4, and the plate locking device 5 can rotate around the round shafts 42 of the filter plate handles 4 to realize that the plate locking device 5 is separated from the previous filter plate 3.

It should be noted that, a positioning frame 43 is arranged on the filter plate handle 4, and an upper retaining piece and a lower retaining piece are arranged on the positioning frame 43, the upper retaining piece and the lower retaining piece are used for limiting the rotation movement range of the plate locking device 5, the upper retaining piece and the lower retaining piece of the positioning frame 43 limit the position of the plate locking hook 51, the upper retaining piece prevents the plate locking hook 51 from tilting, and the lower retaining piece prevents the plate locking hook 51 from drooping, so that the plate locking device 5 operates in the normal working range, and the normal operation of the filter press is ensured.

It should be noted that the retainer ring 44 on the filter plate handle 4 can also fix the locking plate 5 on the circular shaft 42, so as to prevent the locking plate 5 from falling off the circular shaft 42 and prevent the operation from being performed normally. Of course, in this embodiment, a shaft sleeve 45 may be added between the plate locking device 5 and the circular shaft 42, and the shaft sleeve in this embodiment has the same function as the shaft sleeve in the first embodiment.

Finally, the press frame 8 is a press wheel, the two sides of the press frame 8 are provided with upturned inclined planes, the middle of the upturned inclined planes is a horizontal plane, when the plate pulling device 6 pulls the filter plate handle 4 to move to the end of the push plate 7, the plate pulling hook 62 is pressed down by the press frame 8, the plate pulling hook 62 is separated from the round shaft 42 of the filter plate handle 4, and the plate pulling device 6 passes through the bottom of the press frame 8; in addition, the filter plate 3 brought by the plate pulling device 6 subsequently is unhooked by the round shaft 42 of the plate handle 4 on the previous filter plate 3. It should also be noted that the drawplate hook 62 is subjected to larger impact when passing through the fall-down frame 8, and through field test optimization, the fall-down frame 8 is a cylindrical fall-down wheel, and the fall-down wheel can rotate along the central axis, thereby reducing the impact and prolonging the service life, and certainly, the fall-down frame 8 can be a rhombic fall-down wheel, and also has the characteristic of rotating along the central axis, and the fall-down frame 8 can be designed into other columnar structures.

To sum up, the circulating draw-close plate filter press provided by this embodiment mainly includes a main beam, a thrust plate, a filter plate handle, a plate pulling device, a push plate, a reverse frame, a chain and a sprocket, the thrust plate is disposed on the main beam, the sprocket is disposed at two ends of the main beam, the chain is mounted on the sprocket, the filter plate handle is disposed at two sides of the filter plate, the plate pulling device is disposed on the chain at intervals, the reverse frame is disposed on the push plate, a plate pulling hook of the plate pulling device is connected with the filter plate handle, a power source drives the sprocket to rotate, the sprocket drives the chain mounted on the sprocket to rotate circularly, the chain drives the plate pulling device mounted on the chain to move, the plate pulling hook of the plate pulling device moving from the thrust plate end is pressed down by the filter plate handle, the plate pulling device passes through the bottom of the filter plate handle, when the plate pulling device moves to the position below the filter plate handle of the outermost filter plate disposed side by side, the filter plate handle is restricted by the filter plate handle, the arm-tie hook resets, then can hook the filter plate handle, the arm-tie hook of arm-tie ware forms the joint state with the filter plate handle, the motion of arm-tie ware pulling filter plate realizes the filter cake and unloads, at this in-process, the arm-tie hook pulling filter plate of arm-tie ware removes, the arm-tie hook can promote preceding filter plate when arriving the right side, draw close current filter plate and preceding filter plate, through compression spring to the promotion of arm-tie hook, the atress is mild when the arm-tie hook promotes the filter plate, prevent the resilience of filter plate, the push-and-pull moves simultaneously, realize the plywood action, reduce the space between the filter plate, it is more in quantity to set up the filter plate under same length, filter area is bigger, improve pressure filter throughput.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (12)

1. The utility model provides a circulation draws closed plate filter press, its characterized in that, includes girder (1), thrust plate (2), filter plate (3), filter plate handle (4), arm-tie ware (6), push pedal (7), pressure reversing frame (8), chain (9) and sprocket (10), thrust plate (2) set up in on girder (1), sprocket (10) set up girder (1) both ends, chain (9) are installed on sprocket (10), filter plate handle (4) set up in filter plate (3) both sides, arm-tie ware (6) interval sets up on chain (9), pressure reversing frame (8) set up in on push pedal (7), the arm-tie hook (62) of arm-tie ware (6) with filter plate handle (4) joint.

2. A circulating closure plate filter press according to claim 1, wherein the closure plate (6) comprises a closure plate frame (61), a compression spring (63), a chain pin (64) and a first pin (65), the closure plate hook (62) is hinged to the closure plate frame (61) through the first pin (65), one end of the compression spring (63) is connected to the closure plate hook (62), the other end of the compression spring (63) is connected to the closure plate frame (61), and the chain pin (64) is used to connect the closure plate frame (61) to the chain (9).

3. The circulating closure plate filter press of claim 2, wherein the plate pulling device (6) further comprises a second pin shaft (66), and the limiting through hole (621) of the plate pulling hook (62) is clamped and limited with the second pin shaft (66).

4. A circulating closure plate press according to claim 3, characterized in that the plate-pulling hook (62) and the plate-pulling frame (61) are each provided with a stop protrusion (623) for mounting the compression spring (63).

5. The endless zipper plate press according to claim 1, wherein the zipper plate hook (62) is provided with a transition surface (622), a hook projection (624), and a hook ramp (625), the transition surface (622) being located at a distal end of the zipper plate hook (62), the hook projection (624) and the hook ramp (625) being located at a front end of the zipper plate hook (62).

6. A circulating closure plate filter press according to claim 1, characterized in that the filter plate handle (4) is provided with a circular shaft (42), and the circular shaft (42) is sleeved with a shaft sleeve (45).

7. A rotary draw-on plate filter press according to claim 6, characterised in that the filter plate handle (4) is also provided with a collar (44) for fixing the bushing (45).

8. An endless slide plate press according to any of claims 1 to 7, characterized by a chain cage (11) provided on the main beam (1), the chain (9) sliding along and over the chain cage (11).

9. A circulating closure plate filter press according to claim 8, characterized in that the main beam (1) is further provided with a bracket (12), the bracket (12) is located below the chain frame (11), and the bracket (12) is provided with an adjusting bolt (13) and a locking nut (14).

10. A circulating closure plate filter press according to claim 9, wherein the fall-over carriage (8) is a fall-over wheel.

11. A circulating closure plate filter press according to claim 8, wherein a plate locking device (5) is arranged on the side of the filter plate handle (4), the plate pulling hook (62) of the plate pulling device (6) is clamped with the connecting rod (52) of the plate locking device (5), and the plate locking hook (51) of the plate locking device (5) is clamped with the round shaft (42) of the filter plate handle (4).

12. A rotary spanner press according to claim 11, wherein the filter plate handle (4) is provided with a positioning frame (43), and the positioning frame (43) is provided with an upper baffle and a lower baffle.

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