CN111420438B - Pressure filter suitable for laboratory is used in way - Google Patents
Pressure filter suitable for laboratory is used in way Download PDFInfo
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- CN111420438B CN111420438B CN202010269499.1A CN202010269499A CN111420438B CN 111420438 B CN111420438 B CN 111420438B CN 202010269499 A CN202010269499 A CN 202010269499A CN 111420438 B CN111420438 B CN 111420438B
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- friction
- motor
- plate
- matched
- filter
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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
- B01D25/12—Filter presses, i.e. of the plate or plate and frame type
Abstract
The invention relates to a filter press, in particular to a filter press for laboratory use, which comprises a transmission part, wherein the transmission part comprises a motor reducer, an output shaft of the motor reducer is provided with a group of friction output transmission wheels linked with a driving chain wheel, the friction output transmission wheels are matched with the friction output transmission wheels, the transmission part further comprises an adjustable elastic warping mounting plate, and the elastic warping mounting plate is provided with a signal feedback device matched with an electromechanical control system. The filter press overcomes the defects that the filter press for laboratory use in the prior art cannot bear the moment after the current is increased when the speed reducing motor reducer is blocked and cannot remove the overtravel stroke caused by the inertia of the motor, so that the damage of components of the filter press is easily caused, and has the advantages of eliminating the overload and the inertia of the motor and preventing the damage of the motor and mechanical components of a pulling plate caused by the inertia of the motor.
Description
Technical Field
The invention relates to a filter press, in particular to a filter press for laboratory use.
Background
The existing pulling plate transmission and control mode for the filter press usually adopts a mode that a speed reducer drives a chain, then a mechanical hand on a chain track is used for pulling open a filter plate, and the control mode adopts a mode that a signal that resistance current of a motor is increased is detected by a frequency converter and then is transmitted to a PLC for processing, and then the signal is processed by the PLC and then is fed back to the frequency converter for detecting information, so that the speed reducer motor is controlled to stop, and the filter plate is pulled open in the opposite direction. The experimental filter press used in the test of materials is too small in specification, so that the filter plate handle, the chain and the mechanical arm cannot bear the moment of the reducer of the speed reducing motor after the current is increased when the reducer is blocked, the filter plate, the handle, the chain and the like are easily damaged, and even the plate pulling and the motor reversing cannot be realized.
In addition: when the mechanical arm is positioned on the filter plate, the motor reducer is blocked, and the normally adopted mechanical structure cannot remove the overtravel stroke caused by the inertia of the motor, so that the damage of the motor reducer of the pull plate is easily caused.
Disclosure of Invention
The invention provides a laboratory filter press which can eliminate motor overload, stop running after a motor is blocked and pull plates in the opposite direction, and aims to overcome the defects that the prior laboratory filter press cannot bear the moment after the current is increased when the speed reducing motor reducer is blocked due to small specification and cannot remove the overtravel stroke caused by the inertia of the motor, so that the components of the filter press are easily damaged.
In order to achieve the purpose, the invention is realized by the following technical scheme:
the utility model provides a pressure filter suitable for laboratory is used, including the frame that is equipped with the filter plate and set up the pressure filter main part in the frame, and with pressure filter main part matched with electromechanical control system, still include actuating cylinder and automatic arm-tie mechanism, automatic arm-tie mechanism including establish the arm-tie manipulator in the frame and with arm-tie manipulator matched with drive disk assembly, drive disk assembly include: motor reducer and with motor reducer complex drive sprocket, drive sprocket and driven sprocket cooperate with the arm-tie manipulator through doubly fast chain, its output shaft of motor reducer on be equipped with a set of friction output drive wheel with the drive sprocket linkage, with friction output drive wheel complex, drive assembly still includes an adjustable elasticity and sticks up the mounting panel elasticity stick up and be equipped with the required matched with signal feedback device with electromechanical control system on the mounting panel.
The friction output transmission wheel is matched with the elastic warping and raising mounting plate, when the motor reducer meets resistance after the pulling plate manipulator positions the filter plate, the friction output transmission wheel can be subjected to friction overload, the filter plate handle is effectively prevented from being broken, and the rebound phenomenon caused by filter plate deformation is avoided. Because the pulling plate manipulator is connected with the motor friction output driving wheel through the double-speed chain, after the pulling plate manipulator is positioned, the motor reducer is blocked, the friction force of the friction output driving wheel is increased, the motor reducer is forced to press the elastic warping and raising mounting plate, the friction force of the motor is released, and the service lives of the motor, the filter plate, the manipulator and the chain are prolonged.
Preferably, the friction output transmission wheel comprises a chain wheel seat matched with the output shaft of the motor reducer, a friction chain wheel group consisting of a friction plate, a nesting and a chain plate which are arranged on the chain wheel seat, and a friction disc matched with the friction plate.
Preferably, the friction disc is further provided with a special-shaped rubber pad on the outer side, and a friction pressing plate and a friction pressing nut are arranged on the outer side of the rubber pad.
The invention can adjust the torque of the friction output driving wheel by adjusting the tightness of the friction compression screw. The rubber gasket is made of butadiene-acrylonitrile rubber through mould pressing and vulcanization, and can resist corrosion and rebound sufficiently.
Preferably, the friction chain wheel set is provided with 1 friction plate on each side of the chain plate, and the friction plates are matched with the friction plates to output transmission force.
Further preferably, the friction plate and the friction plate are connected through a half-round head screw of M6, a counter bore is drilled outside a screw hole of the friction plate, and a connecting screw is sunk, so that the friction plate and the friction plate are matched to output transmission force.
Preferably, the motor reducer is arranged on a motor base, a motor base bottom plate is arranged below the motor base, and the motor base bottom plate are fixedly connected through a motor base pin.
The motor seat is connected with the motor seat bottom plate through the motor seat cutter, so that the motor seat can freely swing back and forth within a certain angle, and the offside phenomenon generated by the inertia of the motor can be automatically offset.
Preferably, the elastic warped mounting plate comprises a compression spring rod in contact with the bottom plate of the motor seat, and a compression spring sleeve sleeved on the compression spring rod.
Preferably, an adjusting nut used for adjusting the elasticity of the pressure spring is arranged at the upper end of the pressure spring sleeve.
Preferably, the signal feedback device comprises proximity switches arranged on two sides of the motor base, and proximity switch signal acquisition feedback bolts capable of adjusting the height are arranged on a base plate of the motor base corresponding to the signal feedback device.
And the elastic warping and raising mounting plate is also provided with a proximity switch used for forward and reverse conversion (plate taking and plate pulling) control signals of a motor reducer in an electrical control system. The proximity switch is arranged on the bottom plate of the motor seat, and two sides of the proximity switch are respectively provided with one proximity switch. And a proximity switch signal acquisition feedback bolt capable of adjusting the height is arranged at the corresponding position of the motor seat bottom plate. Therefore, the height of the rolling bolt is adjusted according to the adjusting force of the elastic force adjusting part on the tilted mounting plate. The tilting mounting plate can be driven to incline by the pulling plate manipulator after the pulling plate manipulator is positioned on the filter plate, so that the proximity switch arranged on the pulling plate manipulator sends a reverse operation instruction to the control system to realize the repeated operation of forward and reverse conversion (plate taking and pulling) of the motor speed reducer until all the filter plates are pulled open.
The invention has prominent and substantial characteristics:
(1) the friction output transmission wheel is not arranged on the output shaft of the reducer of the plate pulling motor, so that the friction sheet can slip in an idle running mode after the plate pulling mechanical arm is positioned to the handle of the filter plate, and the filter plate is not forced to deform by breaking the handle.
(2) The friction force can be adjusted according to different use requirements of customers, so that the filter plate can be pulled open without damaging the filter plate.
(3) The adjustable elastic seesaw mounting plate on the motor seat can automatically incline the motor by a certain angle after the pulling plate manipulator positions the filter plate or pulls the filter plate to the maximum position, so as to prevent the motor and mechanical components of the pulling plate from being damaged due to the inertia of the motor, and meanwhile, the proximity switch arranged on the seesaw detects that the proximity switch is inclined in place and sends a signal to the electric control system to stop the forward operation and reversely operate.
(4) All parts are mechanically adjustable, different requirements of different customers are facilitated, the structure is visual and easy to see, and the device is compact in structure, convenient to operate and convenient to overhaul.
Drawings
FIG. 1 is a schematic diagram of a structure of the present invention.
Fig. 2 is a cross-sectional view of a portion of the transmission member of the present invention.
Fig. 3 is an enlarged view of the motor reducer of the present invention.
Wherein: the automatic plate pulling device comprises a rack 1, an automatic plate pulling mechanism 2, a guide groove 3, a double-speed chain 4, a plate pulling mechanical arm 5, a hydraulic station 6, an electric control system 7, an oil cylinder 8, an elastic warping and mounting plate 9, a driving chain wheel 11, a driven chain wheel 12, a tensioning device 10, a motor reducer 101, a chain wheel seat 102, a friction plate 103, a nesting 104, a chain sheet 105, a friction disc 106, a special-shaped rubber pad 107, a friction pressing plate 108, a friction pressing nut 109, a friction pressing screw 110, a proximity switch 111, a motor seat 112, a motor seat pin 113, a motor seat bottom plate 114, a proximity switch signal acquisition feedback bolt 115, a pressure spring cap 116, an adjusting nut 117, a pressure spring sleeve 118, a pressure spring 119, a pressure spring rod 120 and a pressure spring pipe 121.
Detailed Description
The invention is further described with reference to the drawings and the specific embodiments. Those skilled in the art will be able to implement the invention based on these teachings. Moreover, the embodiments of the present invention described in the following description are generally only some embodiments of the present invention, and not all embodiments. Therefore, all other embodiments obtained by a person of ordinary skill in the art based on the embodiments of the present invention without any creative effort shall fall within the protection scope of the present invention.
As shown in fig. 1, a pressure filter suitable for laboratory uses, including frame 1 and the pressure filter main part of setting in frame 1 that is equipped with the filter plate, and with pressure filter main part matched with electromechanical control system, still include actuating cylinder and automatic arm-tie mechanism 2, automatic arm-tie mechanism including establishing arm-tie manipulator 5 and manipulator complex guide slot 3 on frame 1, connect manipulator and arm-tie motor reducer's doubly fast chain 4, arm-tie manipulator 5, doubly fast chain 4 cooperatees through drive sprocket 11 with motor reducer 101, doubly fast chain 4's the other end still is provided with one and drive sprocket 11 matched with driven sprocket 12.
The guide groove 3 and the speed-multiplying chain 4 are matched and connected with a driven sprocket 12 through a front driving sprocket 11 and a rear driving sprocket 11, the front driving sprocket 11 and the rear driving sprocket 12 are respectively arranged on the front side and the rear side of each edge, the driven sprocket 12 at the feeding end is also provided with a tensioning device 10, the tightness of the speed-multiplying chain 4 can be adjusted, and the plate pulling manipulator 5 is positioned more accurately.
As shown in fig. 2 and 3:
the output shaft of the motor reducer 101 is provided with a group of friction output driving wheels which are linked with the driving chain wheel 11, each friction output driving wheel comprises a chain wheel seat 102 matched with the output shaft of the motor reducer 101, a friction chain wheel group consisting of a friction plate 103, a nesting 104 and a chain plate 105 which are arranged on the chain wheel seat, and a friction disc 106 matched with the friction plate 103, the two sides of the chain plate 105 of each friction chain wheel group are respectively provided with 1 friction plate 103, and the friction plates 103 are matched with the friction discs 106 to output driving force.
The friction disc 106 is further provided with a profiled rubber pad 107 on the outer side, a friction pressing plate 108 is arranged on the outer side of the rubber pad 107, and the friction pressing plate 108 is effectively fixed through the cooperation between a friction pressing nut 109 and a friction pressing screw 110 arranged on the output shaft of the motor reducer 101.
The pulling plate motor reducer 101 is connected with the motor base 112 through 4M 10 bolts, and bolt holes of the motor base 112 are long grooves, so that the tightness of a chain between the chain piece 105 and the driving chain wheel 11 can be conveniently adjusted.
A motor base bottom plate 114 is arranged below the motor base 112, the motor base bottom plate 114 and the motor base 112 are connected through a motor base pin 113 in a swing arm mode and are matched with the elastic force action of two pressure springs 119, the pressure springs 119 can be pressed by the motor base to one side after the plate pulling mechanical arm 5 takes a plate and positions, and the motor base 112 is forced to press the other side to compress the pressure springs 119 after the filter plate is pulled to the maximum position.
A proximity switch 111 for detecting signals is installed on the motor base, the motor base compresses the compression spring 119, the proximity switch 111 for detecting signals simultaneously approaches and adjusts the proximity switch signal acquisition feedback bolt 115, the proximity switch signal acquisition feedback bolt 115 is adjusted to a proper height, namely, after the plate pulling mechanical arm 5 is positioned on the filter plate, the motor base 112 compresses the compression spring 119, the proximity switch 111 is switched on simultaneously, and the signal feedback motor through the electric control system starts to pull the filter plate in the opposite direction.
The compression spring 119 is arranged in the compression spring pipe 121, the upper end of the compression spring 119 is also provided with a compression spring sleeve 118, the compression spring sleeve 118 is provided with an adjusting nut 117 which is in threaded connection with the compression spring rod 120, the elasticity of the compression spring 119 is adjusted by the adjusting nut 117, and the adjustment is carried out according to the size of the filter press, so that the friction force of each relative motion part can be overcome, and the filter plate is not forced to deform by the manipulator 5 when the filter plate is pulled open.
As shown in figure 1, the electromechanical control system comprises a hydraulic station 6 and an electric control system 7 matched with the hydraulic station 6, wherein the hydraulic station is connected with an oil cylinder 8; the electric control system 7 is connected with the mechanical pulling plate mechanism, and the hydraulic station 6 and the electric control system 7 are arranged at the position which is not right ahead of the oil cylinder seat.
Claims (2)
1. The utility model provides a pressure filter suitable for laboratory is used, including frame (1) and the pressure filter main part of setting in frame (1) that is equipped with the filter plate and with pressure filter main part matched with electromechanical control system, still include actuating cylinder and automatic arm-tie mechanism (2), automatic arm-tie mechanism including establish arm-tie manipulator (5) in frame (1) and with arm-tie manipulator (5) matched with drive disk assembly, drive disk assembly include: the plate pulling mechanical arm is characterized in that an output shaft of the motor reducer (101) is provided with a group of friction output transmission wheels linked with the driving chain wheel (11), each friction output transmission wheel comprises a chain wheel seat (102) matched with the output shaft of the motor reducer (101), a friction plate (106) arranged on the chain wheel seat (102) and a friction plate (103), the friction plate (103) is arranged on the chain wheel seat (102), a friction chain wheel group consisting of a nested chain piece (104) and a chain piece (105), and the friction plate (106) is matched with the friction plate (103), friction sprocket group respectively has 1 friction disc (103) in chain piece (105) both sides, and friction disc (103) cooperate the output transmission power with friction disc (106), drive disk assembly still includes an adjustable elasticity perk mounting panel (9), elasticity perk mounting panel (9) include with motor seat bottom plate (114) contact pressure spring pole (120) and one cover pressure spring (119) and pressure spring cover (118) on pressure spring pole (120), pressure spring cover (118) upper end is provided with and is used for adjusting pressure spring (119) elasticity size adjusting nut (117), behind arm-drag manipulator (5) location, motor reduction gear (101) meet and hinder, friction output drive wheel frictional force increases, motor reduction gear (101) are compelled to push down elasticity perk mounting panel (9), make motor frictional force obtain the release elasticity perk mounting panel (9) on be equipped with the required matched with signal feedback device of electromechanical control system, the signal feedback device comprises proximity switches (111) arranged on two sides of a motor seat (112), proximity switch signal acquisition feedback bolts (115) capable of adjusting the height are arranged on a motor seat bottom plate (114) corresponding to the signal feedback device, when the motor seat (112) compresses a compression spring (119), the proximity switches (111) for detecting signals are also simultaneously close to the proximity switch signal acquisition feedback bolts (115), namely, after a plate pulling mechanical arm (5) is positioned on a filter plate, the motor seat (112) compresses the compression spring (119), the proximity switches (111) are simultaneously conducted, and a signal feedback motor of an electric control system (7) of an electromechanical control system starts to pull the filter plate in the opposite direction.
2. A filter press adapted for laboratory use according to claim 1, characterised in that the friction disk (106) is provided with profiled rubber pads (107) on the outside, and that the rubber pads (107) are provided with friction pressure plates (108) and friction pressure nuts (109) on the outside.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010269499.1A CN111420438B (en) | 2020-04-08 | 2020-04-08 | Pressure filter suitable for laboratory is used in way |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010269499.1A CN111420438B (en) | 2020-04-08 | 2020-04-08 | Pressure filter suitable for laboratory is used in way |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111420438A CN111420438A (en) | 2020-07-17 |
| CN111420438B true CN111420438B (en) | 2022-02-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010269499.1A Active CN111420438B (en) | 2020-04-08 | 2020-04-08 | Pressure filter suitable for laboratory is used in way |
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| Country | Link |
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| CN (1) | CN111420438B (en) |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2102791U (en) * | 1991-04-10 | 1992-04-29 | 包头市通用机械厂 | Broaching plate driving and turn plate catch leak device for filter press |
| CN2298852Y (en) * | 1997-01-14 | 1998-12-02 | 李�根 | Special mechanical reciprocating frame opening device of filter press |
| CN2306055Y (en) * | 1997-08-22 | 1999-02-03 | 李�根 | Screw differential pressing device for pressure filter |
| WO2006106463A1 (en) * | 2005-04-04 | 2006-10-12 | Seprotech (Pty) Limited | Filter press with novel filter pack clamping arrangement |
| KR100865679B1 (en) * | 2008-06-11 | 2008-10-29 | (주)동일캔바스엔지니어링 | Filter cloth washing device of belt press |
| CN101479583A (en) * | 2006-05-19 | 2009-07-08 | 杰维斯·B·韦布国际公司 | Overload protection system |
| CN201351069Y (en) * | 2009-02-16 | 2009-11-25 | 华宏烨 | Anti-dropping Safety speed limiter |
| JP4487014B1 (en) * | 2009-11-27 | 2010-06-23 | ツバメ無線株式会社 | Pan head device |
| CN101915238A (en) * | 2010-08-05 | 2010-12-15 | 唐山三友集团兴达化纤有限公司 | Overload-protection thick liquid pump |
| CN203335785U (en) * | 2013-07-03 | 2013-12-11 | 广西玉柴机器股份有限公司 | Driving chain wheel of logistics conveying system |
| CN104896044A (en) * | 2015-06-08 | 2015-09-09 | 刘正山 | Friction transmission mechanism and speed reducer |
| CN207406726U (en) * | 2017-11-18 | 2018-05-25 | 四川多维过滤设备有限公司 | The power output and drive apparatus of a kind of automatic pulling plate |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2139848Y (en) * | 1992-09-14 | 1993-08-11 | 高钦 | Test device for pull plate reversing of filter press |
| CN101433778A (en) * | 2008-12-09 | 2009-05-20 | 杭州兴源过滤机有限公司 | Plate-pulling system and method of filter press |
| CN105536312B (en) * | 2016-02-05 | 2017-08-29 | 北京华瑞新源环保技术有限公司 | A kind of suspension beam type filter press and midway stop automatic reduction method |
-
2020
- 2020-04-08 CN CN202010269499.1A patent/CN111420438B/en active Active
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2102791U (en) * | 1991-04-10 | 1992-04-29 | 包头市通用机械厂 | Broaching plate driving and turn plate catch leak device for filter press |
| CN2298852Y (en) * | 1997-01-14 | 1998-12-02 | 李�根 | Special mechanical reciprocating frame opening device of filter press |
| CN2306055Y (en) * | 1997-08-22 | 1999-02-03 | 李�根 | Screw differential pressing device for pressure filter |
| WO2006106463A1 (en) * | 2005-04-04 | 2006-10-12 | Seprotech (Pty) Limited | Filter press with novel filter pack clamping arrangement |
| CN101479583A (en) * | 2006-05-19 | 2009-07-08 | 杰维斯·B·韦布国际公司 | Overload protection system |
| KR100865679B1 (en) * | 2008-06-11 | 2008-10-29 | (주)동일캔바스엔지니어링 | Filter cloth washing device of belt press |
| CN201351069Y (en) * | 2009-02-16 | 2009-11-25 | 华宏烨 | Anti-dropping Safety speed limiter |
| JP4487014B1 (en) * | 2009-11-27 | 2010-06-23 | ツバメ無線株式会社 | Pan head device |
| CN101915238A (en) * | 2010-08-05 | 2010-12-15 | 唐山三友集团兴达化纤有限公司 | Overload-protection thick liquid pump |
| CN203335785U (en) * | 2013-07-03 | 2013-12-11 | 广西玉柴机器股份有限公司 | Driving chain wheel of logistics conveying system |
| CN104896044A (en) * | 2015-06-08 | 2015-09-09 | 刘正山 | Friction transmission mechanism and speed reducer |
| CN207406726U (en) * | 2017-11-18 | 2018-05-25 | 四川多维过滤设备有限公司 | The power output and drive apparatus of a kind of automatic pulling plate |
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| CN111420438A (en) | 2020-07-17 |
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