CN108757634B - Shell pressing cylinder with controllable real-time travel - Google Patents
Shell pressing cylinder with controllable real-time travel Download PDFInfo
- Publication number
- CN108757634B CN108757634B CN201811021355.3A CN201811021355A CN108757634B CN 108757634 B CN108757634 B CN 108757634B CN 201811021355 A CN201811021355 A CN 201811021355A CN 108757634 B CN108757634 B CN 108757634B
- Authority
- CN
- China
- Prior art keywords
- end cover
- shell
- cylinder
- piston
- cylinder body
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000003825 pressing Methods 0.000 title claims abstract description 25
- 238000006073 displacement reaction Methods 0.000 claims abstract description 11
- 230000003584 silencer Effects 0.000 claims abstract description 6
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 16
- 238000007789 sealing Methods 0.000 claims description 12
- 238000006243 chemical reaction Methods 0.000 claims description 11
- 230000030279 gene silencing Effects 0.000 claims description 9
- 210000004907 gland Anatomy 0.000 claims description 8
- 239000000463 material Substances 0.000 claims description 7
- 238000002955 isolation Methods 0.000 claims description 6
- 238000000926 separation method Methods 0.000 claims 3
- 238000005192 partition Methods 0.000 description 8
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 7
- 229910052782 aluminium Inorganic materials 0.000 description 7
- 239000000428 dust Substances 0.000 description 7
- 238000005868 electrolysis reaction Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 5
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 4
- 235000017491 Bambusa tulda Nutrition 0.000 description 4
- 241001330002 Bambuseae Species 0.000 description 4
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 4
- 239000011425 bamboo Substances 0.000 description 4
- 241000251131 Sphyrna Species 0.000 description 3
- 230000006698 induction Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000004642 Polyimide Substances 0.000 description 2
- 239000003792 electrolyte Substances 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 230000005426 magnetic field effect Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 229920001721 polyimide Polymers 0.000 description 2
- 241001391944 Commicarpus scandens Species 0.000 description 1
- 229920000742 Cotton Polymers 0.000 description 1
- 239000004677 Nylon Substances 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001256 stainless steel alloy Inorganic materials 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
- F15B15/08—Characterised by the construction of the motor unit
- F15B15/14—Characterised by the construction of the motor unit of the straight-cylinder type
- F15B15/1423—Component parts; Constructional details
- F15B15/1433—End caps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B13/00—Details of servomotor systems ; Valves for servomotor systems
- F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
- F15B15/08—Characterised by the construction of the motor unit
- F15B15/14—Characterised by the construction of the motor unit of the straight-cylinder type
- F15B15/1423—Component parts; Constructional details
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
- F15B15/20—Other details, e.g. assembly with regulating devices
- F15B15/28—Means for indicating the position, e.g. end of stroke
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B21/00—Common features of fluid actuator systems; Fluid-pressure actuator systems or details thereof, not covered by any other group of this subclass
- F15B21/08—Servomotor systems incorporating electrically operated control means
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Actuator (AREA)
Abstract
The shell pressing cylinder with controllable real-time stroke has openings communicated with the inner cavity of the cylinder in the middle part of the upper end cover and the lower end cover, the opening of the upper end cover is sealed with a small end cover, the side wall of the upper end cover is provided with an oil port A, and the side wall of the lower end cover is provided with an oil port B; the inner cavity of the cylinder body is provided with a piston which divides the inner cavity of the cylinder body into an upper cavity and a lower cavity, the upper end of the piston is fixedly provided with a rear seat which can enter the opening of the upper end cover, the lower end of the piston is fixedly provided with a piston rod, and the piston rod extends out of the opening of the lower end cover and is connected with the cylinder hammer into a whole; the axial hollow of the piston rod forms a cylinder body, a sensor connecting rod is arranged in the cylinder body in a clearance fit way, the upper end of the sensor connecting rod is connected with a stay wire displacement sensor positioned at the top of the small end cover, and the lower end of the sensor connecting rod is connected with the cylinder hammer head into a whole; an electromagnetic pilot valve is arranged on the outer side of the cylinder body, one oil outlet of the electromagnetic pilot valve is communicated with the oil port A, the other oil outlet of the electromagnetic pilot valve is communicated with the oil port B, and a dustproof silencer is arranged at the exhaust port.
Description
Technical Field
The invention relates to a shell pressing cylinder of an aluminum electrolysis cell, in particular to a shell pressing cylinder with controllable real-time travel.
Background
Along with the change of alumina raw material components in domestic electrolytic aluminum production, electrolyte viscosity becomes large, and in the electrolytic production process, because the traditional crust-pressing cylinder does not have crust breaking depth feedback, an aluminum electrolysis cell control system cannot collect the stroke of the crust-pressing cylinder in real time, and crust breaking operation can be completed only by setting crust breaking action time. In order to ensure that the shell surface is opened, the crust breaking time is generally set to be longer, so that the hammer heads are soaked in electrolyte for a period of time during crust breaking operation, the hammer heads are easy to be wrapped and clamped, and the consumption and the air consumption of the hammer heads are increased. Once the hammer head is long, the blanking is not in place, so that the control effect of the electrolytic tank is greatly influenced, and the labor intensity of workers is increased.
The aluminum electrolysis production environment has large dust, strong magnetic field and high temperature, and the existing travel sensor is difficult to meet the requirements at the same time. The Chinese invention CN204080130U provides an ideal scheme for controlling the depth of the shell pressing cylinder, but because the sensor is positioned at the bottom of the cylinder body and the exhaust hole is not dustproof, the sensor is easily affected by temperature or greasy dirt and dust in actual use, and the acquisition value is inaccurate; in addition, the scale is provided with a signal acquisition round hole, so that the hardness of the scale is reduced, the scale is easy to break in the use process, the scale is connected with the hammer head, once the scale is broken, the cylinder can be replaced, the maintenance is very troublesome, and the pilot valve is easy to magnetize due to the fact that the field magnetic field is extremely large, so that the cylinder cannot work.
Disclosure of Invention
Aiming at the problems, the invention provides the real-time travel controllable shell pressing cylinder with more accurate sensor acquisition value and more durable cylinder.
In order to solve the technical problems, the real-time travel controllable shell pressing cylinder provided by the invention comprises a cylinder body, wherein the upper end of the cylinder body is provided with an upper end cover, and the lower end of the cylinder body is provided with a lower end cover, wherein:
the middle part of the upper end cover is provided with an opening communicated with the inner cavity of the cylinder body, the middle part of the lower end cover is provided with an opening communicated with the inner cavity of the cylinder body, the opening of the upper end cover is sealed by a small end cover, the side wall of the upper end cover is provided with an oil port A, and the side wall of the lower end cover is provided with an oil port B;
the inner cavity of the cylinder body is provided with a piston which divides the inner cavity of the cylinder body into an upper cavity and a lower cavity, the upper end of the piston is fixedly provided with a rear seat which can enter the opening of the upper end cover, the lower end of the piston is fixedly provided with a piston rod, and the piston rod extends out of the opening of the lower end cover and is connected with the cylinder hammer into a whole;
the axial hollow of the piston rod forms a cylinder body, a sensor connecting rod is arranged in the cylinder body in a clearance fit way, the upper end of the sensor connecting rod is connected with a stay wire displacement sensor positioned at the top of the small end cover, and the lower end of the sensor connecting rod is connected with a cylinder hammer into a whole;
an electromagnetic pilot valve is arranged on the outer side of the cylinder body, one oil outlet of the electromagnetic pilot valve is communicated with the oil port A, the other oil outlet of the electromagnetic pilot valve is communicated with the oil port B, and a dustproof silencer is arranged at the exhaust port.
In the scheme, the stay wire displacement sensor comprises a shell, wherein the inner cavity of the shell is supported and provided with a rotating shaft through an isolation sealing bearing, and the isolation sealing bearing divides the inner cavity of the shell into a wire wheel bin and a signal conversion bin; a wire wheel is arranged on a rotating shaft in the wire wheel bin, a pull rope is wound on the wire wheel, the middle part of the wire wheel is outwards protruded to form a fastening end, and a fastening spring capable of enabling the wire wheel to rotate anticlockwise by elasticity is arranged on the fastening end; one end of the pull rope is fixedly connected with the wire wheel, and the other end of the pull rope extends out of the shell and is fixedly connected with the upper end of the sensor connecting rod; a flywheel disc made of opaque materials is fixedly arranged on a rotating shaft positioned in the signal conversion bin, and a plurality of through holes are uniformly distributed on the circumference of the flywheel disc, and the distances between the through holes and the rotating shaft are equal; one side of the flywheel disc is provided with a photoelectric emitter, the other side of the flywheel disc is provided with a photoelectric receiver oppositely, the photoelectric emitter and the photoelectric receiver are respectively opposite to the rotating track of each through hole, and an output cable of the photoelectric receiver extends out of the shell. The shell is a closed shell formed by a spring end cover, a shell, a fixed base, a fixed chuck and a housing, wherein the spring end cover is arranged at the outer end of the shell, a fastening spring cabin is formed between the spring end cover and the shell, the shell and the fixed base are oppositely jointed to form the wire wheel cabin, the outer end of the fixed base is fixedly provided with the fixed chuck for installing the isolation sealing bearing, the outer end of the fixed chuck is fixedly provided with the photoelectric transmitter and the photoelectric receiver, and the fixed chuck is combined with the housing to form the signal conversion cabin. The side wall of the wire wheel bin is provided with a wire hole, a sealing head is arranged in the wire hole, and a rope hole for the pull rope to extend out is formed in the middle of the sealing head.
In the scheme, the side wall of the upper end cover is provided with the plunger hole, the rear seat of the piston is provided with the clamping groove, the plunger hole is internally provided with the falling-stopping plunger, and the falling-stopping plunger stretches into the clamping groove to prevent the piston from sliding down under the condition that the upper cavity is free of air pressure.
In the above scheme, clearance fit sets up a guider in the barrel, sets up the guide ring in this guider, the sensor connecting rod is installed through the guide ring clearance in the guider, like this when the shell cylinder motion is pressed, the sensor connecting rod drives the stay cord and can not rotate along with the rotation of piston when moving together to can avoid sensor connecting rod and stay cord fracture.
In the scheme, the lower end face of the piston is provided with the insulating sheet. The insulating sheet is polyimide insulating plate to guarantee that the piston is insulated with the cylinder body, prevent that the cylinder from insulating in the aluminium electroloysis production environment is bad to produce the electric shock phenomenon, damages the cylinder.
In the above-mentioned scheme, dustproof muffler include with the amortization section of thick bamboo of exhaust hole connection of electromagnetic pilot valve, the bottom fretwork of this amortization section of thick bamboo, and be provided with multi-disc partition piece in the amortization section of thick bamboo from interior to outer order, multi-disc partition piece separates the amortization section of thick bamboo inner chamber into a plurality of intervals, sets up different dustproof amortization materials in every interval, and the bottom of outermost partition piece sets up outer baffle jump ring to make dustproof muffler have dustproof and amortization function, prevent that the dust from getting into the cylinder body when reducing exhaust noise, delay cylinder life-span.
In the above scheme, the upper end of the movable iron core of the electromagnetic pilot valve forms an embedded structure, thereby eliminating the primary magnetic field effect of electromagnetic force, enabling the movable iron core to not act in the initial magnetic field of the electromagnetic coil when the electromagnetic coil is electrified, namely, only the magnetic induction intensity generated when the magnetic field intensity is maximum can overcome the acting force of the second spring to enable the movable iron core to act, and further greatly improving the anti-interference capability of the electromagnetic pilot valve.
In the above scheme, the lower extreme of sensor connecting rod sets up the bulb, set up the base in the connecting hole of cylinder tup, the bulb is put into in the base to place the gland on the bulb, the anti-drop slotting is gone into to the card of gland top.
The stay wire displacement sensor is arranged at the top of the pressure shell cylinder, and the vent hole of the electromagnetic pilot valve is provided with the dustproof silencer, so that the stay wire displacement sensor is not influenced by temperature or greasy dirt and dust in actual use, and the acquisition value of the stay wire sensor is more accurate; the sensor connecting rod is arranged in the guide device, the guide ring is arranged in the guide device, and the sensor connecting rod is connected with the cylinder hammer head through the ball head, so that the sensor connecting rod can not rotate along with the rotation of the piston, the breakage of the sensor connecting rod can be effectively prevented, the sensor connecting rod can be directly replaced even if the breakage occurs, and the maintenance is simple; the embedded structure is arranged at the upper end of the movable iron core of the electromagnetic pilot valve, so that the movable iron core does not act in the initial magnetic field of the electromagnetic coil, namely, only the magnetic induction intensity generated when the magnetic field intensity is maximum can overcome the acting force of the second spring to enable the movable iron core to act, and the anti-interference capability of the electromagnetic pilot valve is greatly improved.
Drawings
Fig. 1 is a schematic diagram of the overall structure of the shell pressing cylinder of the invention.
Fig. 2 is a structural view of the dust muffler of the present invention.
Fig. 3 is a bottom view of fig. 2.
Fig. 4 is a diagram showing the structure of the plunger.
Fig. 5 is a block diagram of an electromagnetic pilot valve.
Fig. 6 is a structural view of the movable core of fig. 5.
Fig. 7 is a structural diagram of a pull-wire displacement sensor.
Fig. 8 is a structural diagram of the connection of the sensor connecting rod and the cylinder hammer head.
Detailed Description
Specific embodiments of the present invention will be further described below with reference to the accompanying drawings.
As shown in fig. 1, the shell pressing cylinder with controllable real-time travel comprises a cylinder body 8, wherein an upper end cover 81 is arranged at the upper end of the cylinder body 8, a lower end cover 82 is arranged at the lower end of the cylinder body, an opening 811 communicated with the inner cavity of the cylinder body is arranged in the middle of the upper end cover 81, an opening 821 communicated with the inner cavity of the cylinder body is arranged in the middle of the lower end cover 82, the opening 811 of the upper end cover 81 is sealed by a small end cover 83, an oil port A and a plunger hole 812 are arranged on the side wall of the upper end cover 81, and an oil port B is arranged on the side wall of the lower end cover 82. The inner cavity of the cylinder body 8 is provided with a piston 9, the piston 9 divides the inner cavity of the cylinder body into an upper cavity 84 and a lower cavity 85, the upper end of the piston 9 is fixedly provided with a rear seat 93 which can enter an opening 811 of an upper end cover, the lower end of the piston 9 is fixedly provided with a piston rod 91, the axial hollow of the piston rod 91 forms a cylinder 92, a guiding device 10 is arranged in the cylinder 92 of the piston rod 91 in a clearance fit manner, and a sensor connecting rod 7 is arranged in the guiding device 10 through a guiding ring 6 in a clearance manner. The guide ring 6 is mainly used for guiding the stroke of the sensor connecting rod 7, and prevents the eccentric of the sensor connecting rod 7 during the movement process from causing the breakage of a pull rope 55 connected with the sensor connecting rod 7. The upper end of the sensor connecting rod 7 is connected with a pull rope 55 of a pull wire displacement sensor 5 positioned at the top of the cylinder body 8, and the lower end of the sensor connecting rod 7 extends out of the guiding device 10 to be connected with a cylinder hammer head C fixedly arranged at the bottom of the piston rod 91. The outside of cylinder body 8 sets up electromagnetic pilot valve 3, and an oil-out and the hydraulic fluid port A intercommunication of electromagnetic pilot valve 3, another oil-out and hydraulic fluid port B intercommunication, and the gas vent sets up dustproof muffler 1, and noise intensity when this dustproof muffler 1 can reduce the shell pressing cylinder action and exhaust and prevents that the scene dust from getting into the shell pressing cylinder when exhaust finishes. The plunger hole 812 of the cylinder upper end cap 81 is provided with a drop-stopping plunger 2 to prevent the upper chamber 84 of the shell cylinder from sliding down the piston 9 in the absence of air pressure. The lower end face of the piston 9 is provided with an insulating sheet 4, and the insulating sheet 4 is a polyimide plate insulating material plate so as to effectively prevent the cylinder from being damaged due to high voltage electric shock in the aluminum electrolysis production process.
As shown in fig. 2 and 3, the dust-proof muffler 1 includes a cylindrical muffler 11 connected to the exhaust hole of the electromagnetic pilot valve 3, the bottom of the muffler 11 is hollowed out, and five partition sheets 12 are sequentially disposed in the muffler 11 from inside to outside along the axial direction, so that the muffler 11 is divided into four sections, and different dust-proof muffler materials 13 are disposed in each section. The bottom of the silencing barrel 11 is provided with an outer baffle clamp spring 14 so that all components in the silencing barrel 11 can be clamped and installed without falling off. The dustproof silencing materials 13 are four, namely, silencing cotton is arranged on a first layer from inside to outside, sponge is arranged on a second layer, high-density nylon net is arranged on a third layer, and high-density stainless steel net is arranged on a fourth layer. In the drawings, five partition sheets 12 and four sections are exemplified, but the present invention is not limited to this, and for example, two or three partition sheets, six or seven partition sheets, etc. may be used, and the number of the corresponding sections may be different depending on the number of the partition sheets. The dustproof silencer 1 is arranged at the exhaust hole of the pilot control valve body 3, so that high decibel noise generated by the reciprocating action of the shell pressing cylinder for exhausting can be reduced, and the hearing of staff in a workshop is protected; and dust in the workshop can be effectively prevented from entering the upper cavity 84 and the lower cavity 85 of the shell pressing cylinder.
As shown in fig. 4, a clamping groove 94 may be provided on the rear seat 93 of the piston 9, and the drop-stopping plunger 2 includes a movable end 21 capable of extending into the clamping groove 94 and a stationary end 23 fixedly mounted on the outside of the rear end cover of the cylinder, and a first spring 22 is provided between the movable end 21 and the stationary end 23. Under the condition that the crust breaking signal is not received by the crust-breaking cylinder, high-pressure gas does not exist in the upper cavity 84 of the cylinder, the piston 9 retreats to the vicinity of the upper end cover 81 of the cylinder body 8, the movable end 21 of the falling-stopping plunger 2 is pushed forward under the elastic force of the first spring 22, and finally the movable end 21 is pushed into the clamping groove 94 of the piston back seat 93, so that the piston 9 is prevented from sliding downwards; when the cylinder acts, high-pressure gas is introduced into the upper cavity 84 of the cylinder, and under the action of the high-pressure gas pressure, the movable end 21 overcomes the elastic force of the first spring 22 and is pressed inwards to separate the movable end 21 from the piston rear seat clamping groove 94, so that the piston 9 can normally push downwards.
As shown in fig. 5-6, the electromagnetic pilot valve 3 includes an electromagnetic coil 31, a stationary core 33 is disposed in the middle of the electromagnetic coil 31, a movable core 37 is connected to the bottom of the stationary core 33 via a second spring 35, a cap 32 is disposed on the top surface of the stationary core 33, a pilot valve upper cavity is disposed between the cap 32 and the stationary core 33, a pilot hole is disposed in the cap 32 and is communicated with the pilot valve upper cavity, the movable core 37 is disposed on a valve seat 36, two oil outlets and exhaust ports are disposed on the valve seat 36, a manual push rod 34 is disposed on a side wall of the valve seat 36, a manual push ring 38 is disposed between the bottom of the movable core 37 and the valve seat 36, and the manual push rod 34 is connected with the manual push ring 38. When the electromagnetic coil 31 is electrified, the electromagnetic force overcomes the elasticity of the second spring 35 to lift the starting iron core 37 to open the two oil outlets; when the power is off, under the action of the spring force of the second spring 35 and the gravity of the movable iron core 37, the movable iron core 37 is reset, and the two oil outlets are closed. When the manual push rod 34 is pressed, the manual push ring 38 is pushed upwards by the pushing force, and then the iron core 37 is pushed to open the two oil outlets; when the manual push rod 34 is released, the movable iron core 37 is reset under the action of the spring force of the second spring 35 and the gravity of the movable iron core 37, and the two oil outlets are closed.
In the invention, the second spring 35 and the electromagnetic coil 31 of the electromagnetic pilot valve 3 are subjected to strengthening treatment, and the upper end of the movable iron core 37 is subjected to embedded turning to form an embedded structure 371, so that the primary magnetic field effect of electromagnetic force is removed, the movable iron core 37 does not act in the initial magnetic field of the electromagnetic coil 31, namely, the magnetic induction intensity generated only when the magnetic field intensity of the electromagnetic coil 31 is maximum can overcome the spring force action of the second spring 35 to enable the movable iron core 37 to act, thereby greatly improving the anti-interference capability of the electromagnetic pilot valve, and being more suitable for the strong magnetic field working environment of a electrolysis workshop in the aluminum electrolysis industry.
As shown in fig. 7, the wire displacement sensor 5 includes a housing 51, the housing 51 is a closed housing formed by a spring end cap 515, a casing 513, a fixed base 514, a fixed chuck 517 and a cover 519, the spring end cap 515 is disposed at an outer end of the casing 513, a fastening spring chamber 516 is formed between the spring end cap 515 and the casing 51, the casing 513 and the fixed base 514 are oppositely joined to form the wire wheel chamber 511, the fixed chuck 517 is fixedly disposed at an outer end of the fixed base 514, and the fixed chuck 517 is combined with the cover 519 to form the signal conversion chamber 512. The rotation shaft 53 is supported and installed in the wire wheel house 511 and the signal conversion house 512 by the isolation seal bearing 52, and the wire wheel house 511 and the signal conversion house 512 are isolated and sealed from each other by the isolation seal bearing 52. The reel 54 is mounted on the rotating shaft 53 in the reel bin 511, the pull rope 55 is wound on the reel 54, a fastening end 541 is formed by protruding the middle part of the reel 54, and extends into the fastening spring bin 516, and a fastening spring 57 capable of enabling the reel 54 to rotate anticlockwise by elasticity is arranged on the fastening end 541. A wire hole 5111 is arranged on the side wall of the wire wheel bin 511, a sealing head 5112 is arranged in the wire hole, and a rope hole 5113 is arranged in the middle of the sealing head. One end of the pull rope 55 is fixedly connected with the wire wheel 54, the other end of the pull rope extends out of the shell 51 through the rope hole 5113 to be connected with the sensor connecting rod 7, and under the action of the pulling force of the sensor connecting rod 7, the wire wheel 54 overcomes the elastic force of the fastening spring 57 to rotate clockwise, so that the pull rope 55 is pulled out of the wire wheel bin 511. The pull cord 55 is preferably made of 316L stainless steel alloy. A flywheel disc 56 is fixedly mounted on the rotating shaft 53 in the signal conversion bin 512, the flywheel disc 56 is made of opaque materials, a plurality of through holes 561 are uniformly distributed on the circumference of the flywheel disc 56, and the distances between the through holes 561 and the rotating shaft 53 are equal. One side of the flywheel disc 56 is provided with a photoelectric emitter 562, the other side is provided with a photoelectric receiver 563 opposite to the photoelectric emitter 562, and the photoelectric emitter 562 and the photoelectric receiver 563 are fixedly arranged at the outer end of the fixed chuck 517 and are arranged opposite to the rotation track of each through hole 561, and an output cable of the photoelectric receiver 563 extends out of the casing 51.
As shown in fig. 8, the sensor connecting rod 7 and the cylinder hammer C are connected by a ball 72 provided at the lower end of a rod body 74 of the sensor connecting rod 7 via a fastening screw 73, a base 71 is provided in a connecting hole of the cylinder hammer C, and then the ball 72 is placed in the base 71, and a gland 76 is placed and locked into an anti-falling insert 75. The base 71 and the gland 76 are used for wrapping the ball head 72, so that the ball head 72 can conveniently rotate freely in the ball head; the anti-falling insert 75 has the function of enabling the ball head 72 to be free to rotate and not easily fall off after being mounted in the gland 76.
When the crust breaking action is performed, the pilot control valve body 3 is opened, the upper cavity 84 of the air cylinder is enabled to enter high-pressure air, the piston 9 overcomes the elasticity of the first spring 22 of the drop-proof plunger 2 under the action of the high-pressure air to press the movable end 21 in, the piston 9 drives the piston rod 91 and the sensor connecting rod 7 to move downwards together, meanwhile, the sensor connecting rod 7 drives the pull rope 55 of the pull wire displacement sensor 5 to move together, the pull rope 55 further drives the wire wheel 54, the rotating shaft 53 and the flywheel disc 56 to rotate clockwise against the elastic force of the fastening spring 57, in the rotating process of the flywheel disc 56, when a through hole 561 is positioned on the same straight line with the photoelectric emitter 562 and the photoelectric receiver 563, the signal sent by the photoelectric emitter 562 is received by the photoelectric receiver 563 and sends a pulse signal, and each pulse signal is sent by the photoelectric receiver 563 through the through hole 561, the pulse signal sent by the photoelectric receiver 563 is received and counted by an external controller, the pulse number received by the photoelectric receiver 563 and the pulse 55 corresponding to the adjacent through hole is multiplied by the flywheel disc Zhou Huchang, and the length of the flywheel disc Zhou Huchang can be pulled out, and the length of the flywheel disc 55 is connected with the length of the pull rope 55 (the length of the pull rope 55 is connected). When the shell pressing cylinder retreats, under the action of the elastic force of the fastening spring 7, the rotating shaft 3 drives the wire wheel 4 and the flywheel disc 6 to rotate anticlockwise, and the pull rope 5 is retracted. In this embodiment, the isolating seal bearing 2 is used to support the oil stain between the rotating shaft 3 and the isolating signal conversion bin 12 and the wire wheel bin 11, so that the photoelectric transmitter 62 and the photoelectric receiver 63 can work normally, and the photoelectric receiver 63 outputs intermittent pulse electric signals to the outside.
Claims (9)
1. The shell pressing cylinder with controllable real-time travel comprises a cylinder body (8), wherein the upper end of the cylinder body is provided with an upper end cover (81), the lower end of the cylinder body is provided with a lower end cover (82), the shell pressing cylinder is characterized in that,
an opening (811) communicated with the inner cavity of the cylinder body is formed in the middle of the upper end cover, an opening (821) communicated with the inner cavity of the cylinder body is formed in the middle of the lower end cover, the opening of the upper end cover is sealed by a small end cover (83), an oil port A is formed in the side wall of the upper end cover, and an oil port B is formed in the side wall of the lower end cover;
the inner cavity of the cylinder body is provided with a piston (9), the piston divides the inner cavity of the cylinder body into an upper cavity (84) and a lower cavity (85), the upper cavity is communicated with the oil port A, the lower cavity is communicated with the oil port B, the upper end of the piston is fixedly provided with a rear seat (93) which can enter an opening of an upper end cover, the lower end of the piston is fixedly provided with a piston rod (91), and the piston rod extends out of the opening of the lower end cover and is connected with a cylinder hammer head (C) into a whole;
the axial hollow of the piston rod forms a cylinder body (92), a sensor connecting rod (7) is arranged in the cylinder body in a clearance fit way, the upper end of the sensor connecting rod is connected with a stay wire displacement sensor (5) positioned at the top of the small end cover, the lower end of the sensor connecting rod is provided with a ball head (72), a base (71) is arranged in a connecting hole of a cylinder hammer head, the ball head is placed in the base, a gland (76) is placed on the ball head, and the top of the gland is clamped into an anti-falling insert (75) so that the lower end of the sensor connecting rod is connected with the cylinder hammer into a whole, and meanwhile, the base and the gland wrap the ball head to enable the ball head to conveniently rotate freely in the cylinder hammer;
an electromagnetic pilot valve (3) is arranged on the outer side of the cylinder body, one oil outlet of the electromagnetic pilot valve is communicated with the oil port A, the other oil outlet of the electromagnetic pilot valve is communicated with the oil port B, and a dustproof silencer (1) is arranged at an exhaust port.
2. The real-time travel controllable shell pressing cylinder according to claim 1, wherein the stay wire displacement sensor comprises a shell (51), a rotating shaft (53) is supported and installed in an inner cavity of the shell through an isolating sealing bearing (52), and the isolating sealing bearing divides the inner cavity of the shell into a wire wheel bin (511) and a signal conversion bin (512); a wire wheel (54) is arranged on a rotating shaft in the wire wheel bin, a pull rope (55) is wound on the wire wheel, the middle part of the wire wheel is outwards protruded to form a fastening end (541), and a fastening spring (57) capable of enabling the wire wheel to rotate anticlockwise by elasticity is arranged on the fastening end; one end of the pull rope is fixedly connected with the wire wheel, and the other end of the pull rope extends out of the shell and is fixedly connected with the upper end of the sensor connecting rod; a flywheel disc (56) made of opaque materials is fixedly arranged on a rotating shaft in the signal conversion bin, and a plurality of through holes (561) are uniformly distributed on the circumference of the flywheel disc, and the distances between the through holes and the rotating shaft are equal; one side of the flywheel disc is provided with a photoelectric emitter (562), the other side of the flywheel disc is provided with a photoelectric receiver (563) oppositely, the photoelectric emitter and the photoelectric receiver are respectively opposite to the rotating track of each through hole, and an output cable of the photoelectric receiver extends out of the shell.
3. The real-time travel controllable shell pressing cylinder according to claim 2, wherein the shell is a closed shell formed by a spring end cover (515), a shell (513), a fixed base (514), a fixed chuck (517) and a housing (519), the spring end cover is arranged at the outer end of the shell, a fastening spring cabin (516) is formed between the spring end cover and the shell, the shell and the fixed base are oppositely jointed to form the wire wheel cabin, the outer end of the fixed base is fixedly provided with the fixed chuck for installing the isolation sealing bearing, the outer end of the fixed chuck is fixedly provided with the photoelectric emitter and the photoelectric receiver, and the fixed chuck is combined with the housing to form the signal conversion cabin (512).
4. The real-time travel controllable shell pressing cylinder according to claim 2, wherein a wire hole (5111) is formed in the side wall of the wire wheel bin, a sealing head (5112) is arranged in the wire hole, and a rope hole (5113) for the pull rope to extend out is formed in the middle of the sealing head.
5. The shell pressing cylinder with controllable real-time travel according to claim 1, wherein a plunger hole (812) is formed in the side wall of the upper end cover, a clamping groove (94) is formed in the rear seat of the piston, a falling-stopping plunger (2) is arranged in the plunger hole, and the falling-stopping plunger stretches into the clamping groove to prevent the piston from sliding down under the condition that the upper cavity is free of air pressure.
6. A real time travel controllable pressure shell cylinder according to claim 1, characterized in that a guiding device (10) is arranged in the cylinder body in a clearance fit, a guiding ring (6) is arranged in the guiding device, and the sensor connecting rod is arranged in the guiding device through the clearance of the guiding ring.
7. A real time travel controllable pressure shell cylinder according to claim 1, characterized in that the lower end face of the piston is provided with an insulating sheet (4).
8. The real-time travel controllable shell pressing cylinder according to claim 1, wherein the dustproof silencer comprises a silencing barrel (11) connected with an exhaust hole of the electromagnetic pilot valve, the bottom of the silencing barrel is hollow, a plurality of separation sheets (12) are sequentially arranged in the silencing barrel from inside to outside, the inner cavity of the silencing barrel is divided into a plurality of sections by the plurality of separation sheets, different dustproof silencing materials (13) are arranged in each section, and an outer baffle clamp spring (14) is arranged at the bottom of the outermost separation sheet.
9. The real-time travel controllable shell pressing cylinder according to claim 1, wherein an embedded structure (371) is formed at an upper end of a movable iron core (37) of the electromagnetic pilot valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811021355.3A CN108757634B (en) | 2018-09-03 | 2018-09-03 | Shell pressing cylinder with controllable real-time travel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811021355.3A CN108757634B (en) | 2018-09-03 | 2018-09-03 | Shell pressing cylinder with controllable real-time travel |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108757634A CN108757634A (en) | 2018-11-06 |
| CN108757634B true CN108757634B (en) | 2024-03-08 |
Family
ID=63968036
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811021355.3A Active CN108757634B (en) | 2018-09-03 | 2018-09-03 | Shell pressing cylinder with controllable real-time travel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108757634B (en) |
Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1981002044A1 (en) * | 1980-01-04 | 1981-07-23 | Mecman Ab | Locking device for fluid cylinders |
| CN2584616Y (en) * | 2002-12-16 | 2003-11-05 | 阜新市液压气动配套厂 | High-temp. resistance, self-lubrication, mechanical anti-drop crust breaknig cylinder |
| DE202004008474U1 (en) * | 2004-05-27 | 2004-07-29 | Festo Ag & Co. | Crust breaking cylinder with a piston rod which breaks the crust by direct impact useful for breaking the crust of a melt, especially a molten aluminum melt |
| CN201553788U (en) * | 2009-11-13 | 2010-08-18 | 新疆众和股份有限公司 | Gas transmitting and exhausting device for crust breaking cylinder |
| CN201636111U (en) * | 2009-12-31 | 2010-11-17 | 无锡市华通气动制造有限公司 | Crust breaking air cylinder with intelligent aluminum electrolytic cell |
| CN201858958U (en) * | 2009-12-18 | 2011-06-08 | 北京泰泽科技开发有限公司 | Stay wire displacement sensor for underwater use |
| CN202139304U (en) * | 2011-04-13 | 2012-02-08 | 沈阳银海机械设备制造有限公司 | Constant-volume blanking device with resetting-closing device |
| CN102828202A (en) * | 2012-09-17 | 2012-12-19 | 北京爱社时代科技发展有限公司 | Novel intelligent crust breaking cylinder |
| CN103498834A (en) * | 2013-10-23 | 2014-01-08 | 应俊波 | Device and method for feeding back position of straight-stroke pneumatic actuator |
| CN203532409U (en) * | 2013-11-07 | 2014-04-09 | 中联重科股份有限公司 | Telescopic state detection device of supporting leg |
| CN205582478U (en) * | 2016-03-09 | 2016-09-14 | 中国石油化工股份有限公司 | Simple silencer |
| CN106835197A (en) * | 2015-12-04 | 2017-06-13 | 王建军 | Intellectual crust breaking air cylinder |
| CN207298242U (en) * | 2017-08-04 | 2018-05-01 | 浙江吉鑫祥叉车制造有限公司 | A kind of hydraulic pressure support leg |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8910562B2 (en) * | 2011-06-13 | 2014-12-16 | Mac Valves, Inc. | Pneumatic system for controlling aluminum bath crust breaker |
-
2018
- 2018-09-03 CN CN201811021355.3A patent/CN108757634B/en active Active
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1981002044A1 (en) * | 1980-01-04 | 1981-07-23 | Mecman Ab | Locking device for fluid cylinders |
| CN2584616Y (en) * | 2002-12-16 | 2003-11-05 | 阜新市液压气动配套厂 | High-temp. resistance, self-lubrication, mechanical anti-drop crust breaknig cylinder |
| DE202004008474U1 (en) * | 2004-05-27 | 2004-07-29 | Festo Ag & Co. | Crust breaking cylinder with a piston rod which breaks the crust by direct impact useful for breaking the crust of a melt, especially a molten aluminum melt |
| CN201553788U (en) * | 2009-11-13 | 2010-08-18 | 新疆众和股份有限公司 | Gas transmitting and exhausting device for crust breaking cylinder |
| CN201858958U (en) * | 2009-12-18 | 2011-06-08 | 北京泰泽科技开发有限公司 | Stay wire displacement sensor for underwater use |
| CN201636111U (en) * | 2009-12-31 | 2010-11-17 | 无锡市华通气动制造有限公司 | Crust breaking air cylinder with intelligent aluminum electrolytic cell |
| CN202139304U (en) * | 2011-04-13 | 2012-02-08 | 沈阳银海机械设备制造有限公司 | Constant-volume blanking device with resetting-closing device |
| CN102828202A (en) * | 2012-09-17 | 2012-12-19 | 北京爱社时代科技发展有限公司 | Novel intelligent crust breaking cylinder |
| CN103498834A (en) * | 2013-10-23 | 2014-01-08 | 应俊波 | Device and method for feeding back position of straight-stroke pneumatic actuator |
| CN203532409U (en) * | 2013-11-07 | 2014-04-09 | 中联重科股份有限公司 | Telescopic state detection device of supporting leg |
| CN106835197A (en) * | 2015-12-04 | 2017-06-13 | 王建军 | Intellectual crust breaking air cylinder |
| CN205582478U (en) * | 2016-03-09 | 2016-09-14 | 中国石油化工股份有限公司 | Simple silencer |
| CN207298242U (en) * | 2017-08-04 | 2018-05-01 | 浙江吉鑫祥叉车制造有限公司 | A kind of hydraulic pressure support leg |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108757634A (en) | 2018-11-06 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203527096U (en) | Pull broach mechanism of high-speed electric main shaft | |
| CN202176805U (en) | Energy-saving valve needle type solenoid valve | |
| CN108757634B (en) | Shell pressing cylinder with controllable real-time travel | |
| CN104625826A (en) | Reset cylinder mechanism of electric spindle cam tool loosening system | |
| CN208845468U (en) | A kind of pressure shell cylinder that real-time stroke is controllable | |
| CN103433439A (en) | Pressure inspection tool for straight-opening cavity | |
| CN206054433U (en) | Automobile door pump cylinder | |
| CN208663008U (en) | A kind of Pneumatic pin puller | |
| CN203004388U (en) | Press machine balancing cylinder capable of adjusting pressure automatically | |
| CN210151225U (en) | Full-sealed stay wire displacement sensor | |
| CN209067583U (en) | Clamp cylinder | |
| CN208588317U (en) | A kind of stay wire displacement sensor | |
| CN102678659A (en) | Non-rod cylinder, combination thereof and circular knitting machine cambox based on combination | |
| CN209416264U (en) | Stay wire displacement sensor and crust breaking cylinder connection structure | |
| CN207762046U (en) | Edge banding machine is flush cylinder | |
| CN214351265U (en) | Combined ram droop compensation device | |
| CN207634433U (en) | A kind of hydraulic cylinder sealing device | |
| CN208106879U (en) | A kind of pump cylinder | |
| CN105108700A (en) | Assembling tool of valve guide pipe | |
| CN202176579U (en) | Oil cylinder end buffering device | |
| CN206360962U (en) | Large_sized hydraulic cylinder with anti-rotation guide sleeve device | |
| CN206509814U (en) | A kind of knife striking cylinder for main shaft knife loosening | |
| CN210510087U (en) | External shock absorber of valve system | |
| CN109236794A (en) | Clamp cylinder | |
| CN102996569A (en) | Pressure machine balance cylinder capable of preventing over travel |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information |
Address after: Building 32, Liandong Yougu Industrial Park, No. 32, Yulian Road, Xueshi Street, Changsha City, Hunan Province 410000 Applicant after: Hunan lidar Intelligent Technology Co.,Ltd. Address before: Room 131, Building 1, R&D Headquarters, Science and Technology Park, Central South University, Chaozuo Road, Yuelu Street, Yuelu District, Changsha City, Hunan Province, 410012 Applicant before: HUNAN LIDEER INTELLIGENT TECHNOLOGY Co.,Ltd. |
|
| CB02 | Change of applicant information | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |