CN114681969A - Built-in double-wheel holding rail rolling type pulling plate trolley and corresponding pulling plate cake unloading mechanism of filter press - Google Patents
Built-in double-wheel holding rail rolling type pulling plate trolley and corresponding pulling plate cake unloading mechanism of filter press Download PDFInfo
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- CN114681969A CN114681969A CN202210349880.8A CN202210349880A CN114681969A CN 114681969 A CN114681969 A CN 114681969A CN 202210349880 A CN202210349880 A CN 202210349880A CN 114681969 A CN114681969 A CN 114681969A
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- 238000005096 rolling process Methods 0.000 title claims abstract description 54
- 230000007246 mechanism Effects 0.000 title claims abstract description 37
- 239000004743 Polypropylene Substances 0.000 claims abstract description 7
- 229920001155 polypropylene Polymers 0.000 claims abstract description 7
- 238000003825 pressing Methods 0.000 claims description 23
- 230000005540 biological transmission Effects 0.000 claims description 21
- 238000007599 discharging Methods 0.000 claims description 19
- 230000006698 induction Effects 0.000 claims description 11
- 230000005484 gravity Effects 0.000 claims description 5
- 230000000149 penetrating effect Effects 0.000 claims description 4
- -1 polypropylene Polymers 0.000 claims description 4
- 238000000034 method Methods 0.000 claims description 3
- 239000004519 grease Substances 0.000 abstract description 11
- 238000005461 lubrication Methods 0.000 abstract description 6
- 230000001050 lubricating effect Effects 0.000 abstract description 5
- 230000002035 prolonged effect Effects 0.000 abstract description 4
- 239000007788 liquid Substances 0.000 description 4
- 239000000725 suspension Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000006872 improvement Effects 0.000 description 3
- 230000009467 reduction Effects 0.000 description 3
- 239000003638 chemical reducing agent Substances 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000010924 continuous production Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000011085 pressure filtration Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D25/00—Filters formed by clamping together several filtering elements or parts of such elements
- B01D25/32—Removal of the filter cakes
- B01D25/34—Removal of the filter cakes by moving, e.g. rotating, the filter elements
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Abstract
The invention is provided with a built-in double-wheel rail-holding rolling type pulling plate trolley and a corresponding pulling plate cake unloading mechanism of a filter press, and the key points of the innovative scheme are as follows: the existing wear-resistant block plane sliding type pull plate trolley is improved into a double-wheel rail-embracing rolling type pull plate trolley which comprises a trolley rolling device (comprising a built-in roller seat and a roller) and a plate grabbing and placing device; the wear-resistant sliding block is replaced by the double-polypropylene groove type roller, the upper and lower double rollers embrace the overhead guide rail, the rolling friction resistance is small, the guide rail is not damaged, the operation is stable, the pulling plate is rapid, and the roller is durable and free from grease lubrication; meanwhile, the built-in roller seat is improved in adaptability, and four rollers with shafts are built in the built-in roller seat, so that the plate pulling trolley is compact in structure and safe to operate. The pull plate cake unloading mechanism adopts the pull plate trolley, and solves the technical problems that the plane sliding friction resistance of the wear-resistant block is large, the wear-resistant block is easy to damage a guide rail, and the guide rail of a sliding block is easy to dirty by smearing lubricating grease; the running stability and safety performance of the drawplate trolley are improved, the service life of the trolley guide rail is prolonged, and the resistance and the efficiency are reduced.
Description
Technical Field
The invention belongs to the technical field of automatic filter presses (patent classification number B01D 25/12), and relates to a plate pulling trolley of an automatic plate pulling and cake discharging mechanism.
Background
The filter press is a multi-filter chamber pressure filtration device which is operated intermittently; the automatic filter press is a filter press which is integrated by machine, electricity and liquid and intelligently controlled by a PLC; the filter mainly comprises a double-beam frame, a filter plate pressing mechanism, a multi-filter-chamber filtering mechanism, a turning plate liquid receiving mechanism, a pulling plate cake discharging mechanism, a filter cloth cleaning mechanism and a PLC program control system; the device is suitable for automatic solid-liquid separation of various suspension materials (namely a mixture of liquid and solid particles).
The plate pulling and cake discharging mechanism, namely an electric plate pulling and cake discharging mechanism, mainly comprises a plate pulling driving motor, a plate pulling trolley and a guide rail thereof, a transmission chain and a chain wheel thereof and the like; the driving motor is arranged at the tail of the machine, the double-pulling-plate trolley is arranged on trolley guide rails at two sides, the transmission chain is connected with the driving device and the pulling-plate trolley, and the sensor is communicated with the PLC control system; under the control of the PLC control system, the automatic filter plate pulling device has the function of automatically pulling filter plates (one or more filter plates are pulled at a time) so as to realize gravity cake unloading.
The plate pulling trolley, namely the plate pulling trolley capable of automatically grabbing and releasing the wear-resistant blocks of the filter plates and sliding on the plane, is a key actuating mechanism of a plate pulling and cake discharging mechanism and mainly comprises a trolley sliding device and a plate grabbing and releasing device; the trolley sliding device comprises a sliding block support and a wear-resistant sliding block; the plate grabbing and placing device comprises a filter plate seat and a plate pulling manipulator; the pulling plate manipulator comprises a grabbing plate pulling rod assembly, a pulling plate pulling rod assembly and a torsion return spring; the driving motor drives the transmission chain, the transmission chain drives the double-pulling-plate trolley, and the double-pulling-plate trolley automatically commutates to move back and forth by the resistance of the motor; the plate pulling mechanical arm is reset (tilted) after stretching and contracting the hand by a torsion spring, and automatically catches and places the filter plate; the multifunctional automatic filter plate grabbing and releasing device has the functions of automatically and repeatedly grabbing and releasing the filter plate and bearing and dragging the filter plate.
The existing wear-resistant block plane sliding type pulling plate trolley has the following defects: (1) the trolley is in a sliding type running mode, a wear-resistant sliding block of the trolley moves back and forth on a trolley guide rail, the plane contact surface is large, the friction resistance is large, the wear-resistant sliding block is easy to damage, and the normal running of the drawplate trolley is influenced for a long time; (2) the wear-resistant sliding block is not stable in operation, the service life of the trolley guide rail is directly influenced, and continuous production and production efficiency are influenced due to frequent shutdown and replacement; (3) the wear-resistant sliding block and the guide rail thereof are coated with lubricating grease, so that dust is easy to absorb, the wear-resistant sliding block becomes dirty for a long time, and the appearance is influenced.
Disclosure of Invention
The invention aims to overcome the defects of the existing wear-resistant block plane sliding type pull plate trolley, solve the technical problems that the wear-resistant block plane sliding friction resistance is large, the wear-resistant block plane sliding friction resistance is easy to damage a guide rail, the trolley does not stably run, and the wear-resistant sliding block and the guide rail thereof are easy to dirty by smearing lubricating grease, and provide a built-in double-wheel rail-holding rolling type pull plate trolley and a corresponding filter press pull plate cake unloading mechanism; the invention relates to a filter press pulling plate cake unloading mechanism, in particular to a filter press pulling plate cake unloading mechanism with a built-in double-wheel rail-holding rolling type pulling plate trolley, which is called for short because the number of characters of the patent name is limited.
The invention solves the problems of the prior art and adopts the innovative technical scheme that: the key point of the overall technical scheme is that compared with the prior art, the innovative overall structure has the prominent substantive characteristics that: the existing wear-resistant block plane sliding type pull plate trolley is improved into a double-wheel rail holding rolling type pull plate trolley which comprises a trolley rolling device, a plate grabbing and releasing device and a trolley limiting device; the existing plane sliding mode of the wear-resistant block is improved into a rail holding and rolling mode of an upper roller and a lower roller, a wear-resistant sliding block is replaced by a double-polypropylene groove type roller, the upper roller and the lower roller hold an overhead guide rail, the rolling friction resistance is small, the guide rail is not damaged, the operation is stable, the pulling plate is rapid, and the rollers are durable and free of grease lubrication; meanwhile, the adaptability of the existing sliding block support is improved into a built-in roller seat, and four rollers with shafts are built in the built-in roller seat, so that the drawplate trolley is compact in structure and safe to operate; therefore, the technical problems that the plane sliding friction resistance of the wear-resistant block is large, the wear-resistant block is easy to damage a guide rail, the trolley does not run stably, and the wear-resistant sliding block and the guide rail thereof are easy to be dirty when being smeared with lubricating grease are solved.
The specific design scheme of the invention is as follows: (1) the trolley rolling device comprises a built-in roller seat, a trolley drag hook and a belt shaft roller; the built-in roller seat is a square built-in roller seat, the width of the built-in roller seat corresponds to the length of the groove type roller, the height of the built-in roller seat corresponds to the total height of the square overhead guide rail embraced by the double groove type rollers, and four roller shaft holes are arranged at corresponding positions on the front side and the rear side of the built-in roller seat; the trolley draw hook is a slat type trolley draw hook connected with the transmission chain, and one end of the trolley draw hook is provided with a chain link shaft hole; the arranged roller with the shaft comprises a groove type roller and a roller shaft; the grooved roller is a polypropylene grooved roller with two convex ends and a concave middle part, and is provided with a roller groove and a roller through shaft hole, the roller groove is in clearance fit with the overhead guide rail, and a roller shaft is arranged in the roller through shaft hole to form a roller with a shaft; four rollers with shafts are arranged in roller shaft holes of the built-in roller seats, double trolley draw hooks are respectively welded between bases at two ends of the built-in roller seats to form trolley rolling devices, and the trolley rolling devices can roll on the overhead guide rails (namely the overhead guide rails penetrate into roller groove intervals of the double-groove rollers); (2) the plate grabbing and placing device comprises a filter plate seat and a plate pulling manipulator; the filter plate seat, namely the filter plate bearing and manipulator mounting seat, is arranged, the upper surfaces of two ends of the filter plate seat are respectively provided with a grab plate driving rod mounting lug and a pull plate driving rod mounting lug, and the left end of the filter plate seat is provided with a pull plate driving rod press pin support; the pulling plate manipulator comprises a grabbing plate pulling rod with a shaft, a pulling plate pulling rod pressing pin, a pressing pin pushing plate and a torsion reset spring; the plate pulling driving lever with the shaft and the torsion reset spring are arranged on the plate pulling driving lever mounting lug, the plate grabbing driving lever with the shaft and the torsion reset spring are arranged on the plate grabbing driving lever mounting lug, and the plate pulling driving lever pressing pin is arranged on the plate pulling driving lever pressing pin support to form a plate grabbing and placing device which has the functions of automatically grabbing a filter plate and releasing the filter plate, and belongs to the prior art; (3) the trolley limiting device comprises a limiting induction sheet and a limiting sensor, is used for controlling the suspension of the pulling plate trolley, and belongs to the prior art.
The connection relation of the main parts of the invention is as follows: (1) assembling the pulling plate trolley: the grabbing and placing plate device is arranged on the trolley rolling device; two pressing pin push-pull plates are respectively arranged at the head and the tail of the frame and correspond to the pulling plate deflector rod pressing pins; the double-limit induction sheets are respectively arranged on the two ends of the built-in roller seat, and the double-limit sensors are respectively arranged at the corresponding positions of the head and the tail of the overhead guide rail and correspond to the limit induction sheets to form a plate pulling trolley which can automatically grasp the filter plate and release the filter plate; (2) the general assembly and dynamic relation of the drawplate trolley are as follows: the double-pulling-plate trolley penetrates through overhead guide rails on two sides of the rack respectively (namely the overhead guide rails penetrate into the roller groove intervals of the double-groove type roller), two ends of the upper-layer transmission chain are connected with double-trolley drag hooks respectively, and the double-pulling-plate trolley can be driven by the double-transmission chain to synchronously roll on the double-overhead guide rails; the double-pulling-plate trolley automatically reverses by the pulling-plate driving motor when being blocked, realizes the reciprocating motion, and automatically and repeatedly catches and releases the filter plate and bears and drags the filter plate.
The invention also provides a filter press pulling plate cake unloading mechanism, namely an automatic filter press electric pulling plate cake unloading mechanism, which uses the built-in double-wheel rail-holding rolling type pulling plate trolley provided by the invention; the plate pulling and cake discharging mechanism mainly comprises a motor driving device, a plate pulling trolley, a double-layer overhead guide rail and a chain transmission device; the plate pulling and cake discharging mechanism has the function of automatically pulling filter plates (one or more filter plates are pulled at a time) under the control of a PLC (programmable logic controller) control system so as to realize gravity cake discharging.
The built-in double-wheel rail-holding rolling type pull plate trolley and the corresponding filter press pull plate cake discharging mechanism have the advantages that the built-in roller structure is compact, the rolling friction force is small, the guide rail is not damaged, the trolley is durable in use, grease lubrication is avoided, the pull plate is rapid, built-in operation is safe, double-wheel rail-holding operation is stable, and the performance is reliable; meanwhile, the adaptability of the existing sliding block support is improved into a built-in roller seat, so that the pull plate trolley is compact in structure and safe to operate; the running resistance of the drawplate trolley is reduced, the running stability of the drawplate trolley is improved, the safety performance and the working efficiency of the drawplate cake discharging mechanism are improved, the service life of the trolley guide rail is prolonged, and the cleanness of the double-layer overhead guide rail is guaranteed; resistance reduction and efficiency improvement.
Drawings
Fig. 1 is a schematic front view of the built-in double-wheel rail-holding rolling type draw plate trolley.
Fig. 2 is a left side view schematic diagram of the built-in double-wheel rail-holding rolling type draw plate trolley.
Fig. 3 is a schematic diagram of a groove type roller of the built-in double-wheel rail-holding rolling type drawplate trolley.
Fig. 4 is a left side view schematic diagram of the assembly of the built-in double-wheel rail-holding rolling type pull plate trolley and the double-layer overhead guide rail.
FIG. 5 is a schematic view of the connection between the built-in double-wheel rail-holding rolling type pull plate trolley and the transmission chain.
FIG. 6 is a schematic view of the plate pulling and cake discharging mechanism of the filter press and the assembly of the corresponding automatic filter press.
Reference numerals: 1-built-in roller seat, 2-filter plate seat, 3-trolley drag hook, 4-limit induction sheet, 5-belt shaft roller, 6-belt shaft grabbing plate deflector rod, 7-belt shaft pulling plate deflector rod, 8-pulling plate deflector rod, press pin and push-pull plate, 9-torsion return spring, 10-overhead guide rail (overhead chain-through guide rail), 11-transmission chain, 12-built-in double-wheel rail-embracing rolling type pulling plate trolley (referred to as pulling plate trolley or the invention), 13-filter plate, 14-limit sensor, 15-filter plate sliding support and 51-groove type roller.
Detailed Description
The technical solution of the embodiment of the present invention is described below with reference to the accompanying drawings in the embodiment of the present invention, in which the built-in double-wheel rail-holding rolling type plate-pulling trolley and the corresponding plate-pulling and cake-unloading mechanism of the filter press are only a part of the preferred embodiments of the present invention, but not all of them. Based on the embodiment of the present invention, all other embodiments without inventive creativity, such as a dual-wheel rail-holding rolling type pull plate trolley with the same rolling operation mode and the similar structure, which are made by those skilled in the art, belong to the protection scope of the present invention.
Example 1
A built-in double-wheel rail-holding rolling type pull plate trolley 12 (called as a double-wheel rail-holding rolling type pull plate trolley or a pull plate trolley for short) has the main points of the innovative general implementation scheme that: the existing wear-resistant block plane sliding type pull plate trolley is improved into a double-wheel rail holding rolling type pull plate trolley 12 which comprises a trolley rolling device, a plate grabbing and releasing device and a trolley limiting device; the existing plane sliding mode of the wear-resistant block is improved into a rail holding and rolling mode of an upper roller and a lower roller, a wear-resistant sliding block is replaced by a double-polypropylene groove type roller 51, the upper roller and the lower roller 51 hold the overhead guide rail 10, the rolling friction resistance is small, the guide rail is not damaged, the operation is stable, the pulling plate is rapid, and the rollers are durable and free of grease lubrication; meanwhile, the adaptability of the existing sliding block support is improved into a built-in roller seat 1, and four rollers 5 with shafts are built in the built-in roller seat 1, so that the drawplate trolley has a compact structure and runs safely; specific embodiments are described in detail below.
The trolley rolling device comprises a built-in roller seat 1, a trolley drag hook 3 and a belt shaft roller 5; (1) the built-in roller seat 1 is a square-box built-in roller seat 1, the width of the built-in roller seat is corresponding to the length of the groove type roller 51, the height of the built-in roller seat is corresponding to the total height of the square overhead guide rail 10 embraced by the double groove type roller 51, and four roller shaft holes are arranged at the corresponding positions of the front side and the rear side; (2) the trolley drag hook 3 is a slat type trolley drag hook 3 connected with a transmission chain 11, and one end of the trolley drag hook 3 is provided with a chain link shaft hole; (3) the arranged roller 5 with a shaft comprises a groove type roller and a roller shaft; the grooved roller 51 is a polypropylene grooved roller 51 with two convex ends and a concave middle part, and is provided with a roller groove and a roller through shaft hole, the roller groove 51 is in clearance fit with the overhead guide rail 10, and the roller shaft is arranged in the roller through shaft hole to form the roller 5 with a shaft; (4) assembling a trolley rolling device: four rollers 5 with shafts are arranged in roller shaft holes of the built-in roller seat 1, the double-trolley draw hooks 3 are respectively welded between bases at two ends of the built-in roller seat 1 to form a trolley rolling device, and the trolley rolling device can roll on the overhead guide rail 10 in a penetrating mode (namely the overhead guide rail 10 penetrates into roller groove intervals of the double-groove type rollers 51); the lower groove type roller 51 can effectively prevent the trolley drag hook 3 from clamping the rail when the drawplate trolley 12 shakes, and ensure the drawplate trolley 12 to run stably.
The plate grabbing and placing device comprises a filter plate seat 2 and a plate pulling manipulator; (1) the filter plate seat 2 is arranged, namely a filter plate 13 bearing and manipulator mounting seat, a grabbing plate deflector rod mounting lug and a pulling plate deflector rod mounting lug are respectively arranged on the two ends of the filter plate seat, and a pulling plate deflector rod pressing pin support is arranged at the left end of the filter plate seat; (2) the pulling plate manipulator comprises a grabbing plate pulling rod 6 with a shaft, a pulling plate pulling rod 7 with a shaft, a pulling plate pulling rod pressing pin 8, a pressing pin pushing plate and a torsion reset spring 9; (3) assembling the plate grabbing and placing device: the band-pass plate pulling rod 7 and the torsion reset spring 9 are installed on a pulling rod installing lug, the band-pass plate grabbing rod 6 and the torsion reset spring 9 are installed on a grabbing rod installing lug, and the pulling rod pressing pin 8 is installed on a pulling rod pressing pin support to form a grabbing and releasing plate device, so that the band-pass plate pulling rod pulling pin device has the functions of automatically grabbing a filter plate 13 and releasing the filter plate 13, and belongs to the prior art.
The trolley limiting device comprises a limiting induction sheet 4 and a limiting sensor 14, is used for controlling the suspension of the pull plate trolley 12, and belongs to the prior art.
Assembling and final assembling of the pulling plate trolley 12: (1) assembling the pulling plate trolley 12: the grabbing and placing plate device is arranged on the trolley rolling device; the two pressing pin push-pull plates are respectively arranged at the head and the tail of the frame and correspond to the pulling plate deflector rod pressing pin 8; the double-limit induction sheets 4 are respectively arranged on the two ends of the built-in roller seat 1, the double-limit sensors 14 are respectively arranged at the corresponding positions of the head and the tail of the overhead guide rail 10 and correspond to the limit induction sheets 4 to form a plate pulling trolley 12 which can automatically grasp the filter plates 13 and release the filter plates 13; (2) general assembly and dynamic relationship of the drawplate cart 12: the double-pulling-plate trolley 12 is respectively arranged on the overhead guide rails 10 on the two sides of the rack in a penetrating manner (namely the overhead guide rails 10 penetrate into the roller groove intervals of the double-groove type rollers 51), the two ends of the upper-layer transmission chain 11 are respectively connected with the double-trolley drag hooks 3, and the double-pulling-plate trolley 12 can be driven by the double-transmission chain 11 to synchronously roll on the double-overhead guide rails 10; the double-pulling-plate trolley 12 is automatically reversed by the motor of the motor driving device when being blocked, so that the reciprocating motion is realized.
The built-in double-wheel rail-embracing rolling type pull plate trolley 12 provided by the invention has the advantages of compact structure of built-in rollers, small rolling friction force, no damage to guide rails, durability, no grease lubrication, quick pull plate, safe built-in operation, stable double-wheel rail-embracing operation and reliable performance; the technical problems that the plane sliding friction resistance of the wear-resistant block is large, the wear-resistant block is easy to damage a guide rail, the trolley does not run stably, and the wear-resistant sliding block and the guide rail thereof are easy to be dirty when being coated with lubricating grease are solved; the running stability of the drawplate trolley is improved, the safety performance and the working efficiency of the drawplate cake discharging mechanism are improved, the service life of the trolley overhead guide rail 10 is prolonged, and the cleanness of the double-layer overhead guide rail 10 is guaranteed; resistance reduction and efficiency improvement.
Example 2
A filter press pulling plate cake unloading mechanism (a pulling plate cake unloading mechanism for short), namely an electric pulling plate 13 cake unloading mechanism of an automatic filter press, uses a built-in double-wheel rail-holding rolling type pulling plate trolley 12 (a pulling plate trolley for short) provided by the invention; the plate pulling and cake discharging mechanism mainly comprises a motor driving device, a plate pulling trolley 12, a double-layer overhead guide rail 10 and a chain transmission device; the plate pulling and cake discharging mechanism has the function of automatically pulling the filter plates 13 (one or more filter plates 13 are pulled at a time) under the control of a PLC (programmable logic controller) control system so as to realize gravity cake discharging. The invention is common to the prior art, and is manufactured according to the group mark of 'chamber and plate and frame filter press' T/CGMA0701 and 'chamber and plate and frame filter press filter plate' T/CGMA0702-2021 in the China general mechanical industry standard.
The motor driving device is a speed reducing motor and comprises a motor and a speed reducer; the speed reducer is provided with an output shaft; the motor driving device is arranged at the machine head or the machine tail (the motor driving device of the small and medium-sized automatic filter press is fixedly arranged at the left upper part of the outer side of the machine head thrust plate in a suspension way; used for driving the transmission chain 11 to drive the pulling plate trolley 12.
The pulling plate trolley 12 comprises a trolley rolling device, a plate grabbing and releasing device and a trolley limiting device; the arranged trolley rolling device comprises a built-in roller seat 1, a trolley drag hook 3 and a belt shaft roller 5; the plate grabbing and placing device comprises a filter plate seat 2 and a plate pulling manipulator; the pulling plate manipulator comprises a grabbing plate pulling rod 6 with a shaft, a pulling plate pulling rod 7 with a shaft, a pulling plate pulling rod pressing pin 8, a pressing pin push-pull plate and a torsion return spring 9; the trolley limiting device comprises a limiting induction sheet 4 and a limiting sensor 14; the double-pulling-plate trolleys 12 are respectively arranged on the overhead guide rails 10 on the two sides of the rack in a penetrating manner (namely the overhead guide rails 10 penetrate into the roller groove intervals of the double-groove type rollers 51), the pulling-plate manipulator corresponds to the filter plate sliding support 15, the two ends of the upper-layer transmission chain 11 are respectively connected with the double-trolley drag hooks 3, and the double-pulling-plate trolleys 12 can be driven by the double-transmission chain 11 to synchronously roll on the double-overhead guide rails 10; the double-pulling-plate trolley 12 is automatically reversed by the motor of the motor driving device when being blocked, so as to realize the reciprocating motion; used for automatically and repeatedly grabbing and releasing the filter plate 13 and carrying and dragging the filter plate 13.
The double-layer overhead guide rail 10, namely the double-layer overhead chain-through guide rail, comprises an upper-layer square tube guide rail and a lower-layer square tube guide rail, wherein a trolley draw hook opening is arranged below the upper-layer square tube guide rail; the double-layer overhead guide rail 10 is arranged at the outer side of the double main beams of the frame in an overhead manner; which serves as a guide for the double-drag-plate trolley 12 and supports the drive chain 11.
The chain transmission device comprises a three-chain wheel long shaft (a driving shaft and a chain wheel), a single chain wheel short shaft (a driven shaft and a chain wheel), a driving short single chain and a transmission chain 11 (namely a transmission long double chain); the transmission chain 11 passes through the double-layer overhead guide rail 10, and both ends of the transmission chain are connected with the pulling plate trolley 12; used for driving the double-pulling-plate trolley 12 to synchronously roll on the double overhead guide rail 10.
The working process of the plate pulling and cake discharging mechanism comprises the following steps: under the control of a PLC control system, (1) the trolley moves forwards in an empty way: when the motor driving device drives the double-pulling-plate trolley 12 to synchronously move forwards in the air through the transmission chain 11, the driving lever is tilted by twisting the return spring 9; (2) grabbing the plate by a mechanical arm: when the pulling plate deflector rod 7 touches the filter plate 13, the pulling plate deflector rod 7 is pressed down by the filter plate 13, the grabbing plate deflector rod 6 grabs the filter plate 13, and the twisting reset spring 9 immediately resets (tilts) the pulling plate deflector rod 7; (3) pulling a plate by a trolley: at the moment, the plate grabbing deflector rod 6 is blocked by the filter plate 13, the motor of the motor driving device is blocked by the force to rotate reversely, and the plate pulling is started; (4) placing a plate by a manipulator: when the plate pulling trolley 12 pulls the filter plate 13 backwards to a proper position, the plate grabbing deflector rod 6 is pressed down, and the filter plate 13 is released; (5) the trolley moves back and forth: at the moment, the pulling plate deflector rod 7 is blocked by the filter plate 13, the motor of the motor driving device is blocked by force to rotate forwards, the forward idling is recovered, and the filter plates 13 are automatically pulled one by one to realize gravity cake unloading.
The invention provides a plate pulling and cake unloading mechanism of a filter press, which has the beneficial effects that: by innovating the rail-embracing rolling mode of the upper and lower double rollers of the drawplate trolley and replacing a wear-resistant sliding block with the double polypropylene groove type roller 51, the friction resistance of the drawplate trolley 12 during rolling operation is small, the guide rail is not damaged, the drawplate is rapid, and grease lubrication is avoided; meanwhile, the adaptability of the existing sliding block support is improved into the built-in roller seat 1, so that the pull plate trolley 12 is compact in structure and safe to operate; the running resistance of the pull plate trolley 12 is reduced, the running stability of the pull plate trolley is improved, the safety performance and the working efficiency of the pull plate cake discharging mechanism are improved, the service life of the trolley overhead guide rail 10 is prolonged, and the cleanness of the double-layer overhead guide rail 10 is guaranteed; resistance reduction and efficiency improvement.
Claims (3)
1. A built-in double-wheel rail-holding rolling type pull plate trolley comprises a trolley rolling device, a plate grabbing and releasing device and a trolley limiting device; the method is characterized in that: the trolley rolling device comprises a built-in roller seat, a trolley drag hook and a belt shaft roller; the built-in roller seat is a square built-in roller seat, the width of the built-in roller seat corresponds to the length of the groove type roller, the height of the built-in roller seat corresponds to the total height of the square overhead guide rail embraced by the double groove type roller, and four roller shaft holes are arranged at corresponding positions on the front side and the rear side; the trolley draw hook is a slat type trolley draw hook connected with the transmission chain, and one end of the trolley draw hook is provided with a chain link shaft hole; the arranged roller with the shaft comprises a groove type roller and a roller shaft; the grooved roller is a polypropylene grooved roller with convex two ends and concave middle, and is provided with a roller groove and a roller through shaft hole, the roller groove is in clearance fit with the overhead guide rail, and the roller shaft is arranged in the roller through shaft hole to form a roller with a shaft; four rollers with shafts are arranged in roller shaft holes of the built-in roller seats, double trolley draw hooks are respectively welded between bases at two ends of the built-in roller seats to form trolley rolling devices, and the trolley rolling devices can roll on the overhead guide rails in a penetrating mode, namely the overhead guide rails penetrate into roller groove intervals of the double-groove rollers; the plate grabbing and placing device comprises a filter plate seat and a plate pulling manipulator; the pulling plate manipulator comprises a grabbing plate pulling rod with a shaft, a pulling plate pulling rod pressing pin, a pressing pin pushing plate and a torsion reset spring; the trolley limiting device comprises a limiting induction sheet and a limiting sensor; the interconnection relationship is: the grabbing and placing plate device is arranged on the trolley rolling device; two pressing pin push-pull plates are respectively arranged at the head and the tail of the frame and correspond to the pulling plate deflector rod pressing pins; the double-limit induction sheets are respectively arranged on the two ends of the built-in roller seat, and the double-limit sensors are respectively arranged at the corresponding positions of the head and the tail of the overhead guide rail and correspond to the limit induction sheets to form a plate pulling trolley; the double-pulling-plate trolley synchronously runs under the driving of the double-transmission chain, and can automatically and repeatedly grab and release the filter plate and bear and drag the filter plate.
2. The built-in double-wheel rail-holding rolling type pull plate trolley as claimed in claim 1, wherein the plate-holding device is provided with a filter plate seat, namely a filter plate bearing and manipulator mounting seat, the two ends of the plate-holding device are respectively provided with a plate-holding driving lever mounting lug and a plate-holding driving lever mounting lug, and the left end of the plate-holding device is provided with a plate-holding driving lever pressing pin bracket; the plate pulling driving lever with the shaft and the torsion reset spring are arranged on a plate pulling driving lever mounting lug, the plate grabbing driving lever with the shaft and the torsion reset spring are arranged on a plate grabbing driving lever mounting lug, and the plate pulling driving lever pressing pin is arranged on a plate pulling driving lever pressing pin support to form a plate grabbing and placing device which has the functions of automatically grabbing a filter plate and releasing the filter plate.
3. A plate-pulling cake-unloading mechanism of a filter press, namely an electric plate-pulling cake-unloading mechanism of an automatic filter press, comprises a motor driving device, a plate-pulling trolley, a double-layer overhead guide rail and a chain transmission device; the method is characterized in that: the pulling plate trolley is the built-in double-wheel rail-holding rolling pulling plate trolley as claimed in any one of claims 1-2; the plate pulling and cake discharging mechanism has the function of automatically pulling the filter plate open to realize gravity cake discharging under the control of the PLC control system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210349880.8A CN114681969A (en) | 2022-04-04 | 2022-04-04 | Built-in double-wheel holding rail rolling type pulling plate trolley and corresponding pulling plate cake unloading mechanism of filter press |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210349880.8A CN114681969A (en) | 2022-04-04 | 2022-04-04 | Built-in double-wheel holding rail rolling type pulling plate trolley and corresponding pulling plate cake unloading mechanism of filter press |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114681969A true CN114681969A (en) | 2022-07-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210349880.8A Pending CN114681969A (en) | 2022-04-04 | 2022-04-04 | Built-in double-wheel holding rail rolling type pulling plate trolley and corresponding pulling plate cake unloading mechanism of filter press |
Country Status (1)
| Country | Link |
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| CN (1) | CN114681969A (en) |
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| CN101579588A (en) * | 2009-05-21 | 2009-11-18 | 张金国 | Circulation drawing sheet quick-opening press filter |
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