CN111203789A - Full-automatic numerical control paint-removing rust-removing machine for railway truck wheel shaft - Google Patents
Full-automatic numerical control paint-removing rust-removing machine for railway truck wheel shaft Download PDFInfo
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- CN111203789A CN111203789A CN202010160483.7A CN202010160483A CN111203789A CN 111203789 A CN111203789 A CN 111203789A CN 202010160483 A CN202010160483 A CN 202010160483A CN 111203789 A CN111203789 A CN 111203789A
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- 230000007246 mechanism Effects 0.000 claims abstract description 145
- 239000003973 paint Substances 0.000 claims abstract description 77
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- 229910000831 Steel Inorganic materials 0.000 claims abstract description 36
- 239000010959 steel Substances 0.000 claims abstract description 36
- 238000004140 cleaning Methods 0.000 claims abstract description 21
- 230000033001 locomotion Effects 0.000 claims description 32
- 239000000428 dust Substances 0.000 claims description 8
- 239000003638 chemical reducing agent Substances 0.000 claims description 7
- 230000000694 effects Effects 0.000 claims description 7
- 238000005096 rolling process Methods 0.000 claims description 6
- 238000000034 method Methods 0.000 abstract description 5
- 230000008569 process Effects 0.000 abstract description 4
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- 238000010586 diagram Methods 0.000 description 6
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- 238000010168 coupling process Methods 0.000 description 3
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- 238000001514 detection method Methods 0.000 description 3
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 238000003912 environmental pollution Methods 0.000 description 2
- 238000005498 polishing Methods 0.000 description 2
- 230000008439 repair process Effects 0.000 description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000009471 action Effects 0.000 description 1
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- 238000010422 painting Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 125000001997 phenyl group Chemical class [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B27/00—Other grinding machines or devices
- B24B27/033—Other grinding machines or devices for grinding a surface for cleaning purposes, e.g. for descaling or for grinding off flaws in the surface
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B27/00—Other grinding machines or devices
- B24B27/0076—Other grinding machines or devices grinding machines comprising two or more grinding tools
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/005—Feeding or manipulating devices specially adapted to grinding machines
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/007—Weight compensation; Temperature compensation; Vibration damping
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/02—Frames; Beds; Carriages
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/06—Work supports, e.g. adjustable steadies
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B47/00—Drives or gearings; Equipment therefor
- B24B47/10—Drives or gearings; Equipment therefor for rotating or reciprocating working-spindles carrying grinding wheels or workpieces
- B24B47/12—Drives or gearings; Equipment therefor for rotating or reciprocating working-spindles carrying grinding wheels or workpieces by mechanical gearing or electric power
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B47/00—Drives or gearings; Equipment therefor
- B24B47/20—Drives or gearings; Equipment therefor relating to feed movement
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B51/00—Arrangements for automatic control of a series of individual steps in grinding a workpiece
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Cleaning In General (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Abstract
The invention provides a full-automatic numerical control paint and rust removing machine for a railway truck wheel shaft, which mainly comprises a wheel shaft paint and rust removing device and a digital control system. The front main brush, the rear main brush, the left side brush and the right side brush feed to realize automatic digital control, when the device works, the digital control system detects the current of a motor driving the steel wire brush to rotate and feeds the current back to the digital control system, and the digital control system sends an instruction to the servo feed mechanism to realize automatic advance and retreat of the steel wire brush, so that the steel wire brush exerts constant force on a wheel shaft, the paint and rust removing efficiency and the quality are high, and a paint remover is not needed; meanwhile, the front main brush and the rear main brush are positioned on two opposite sides of the upper part of the axle shaft of the wheel pair, so that the stability of the wheel shaft in the paint and rust removing process can be kept; and the digital control system is used for automatically realizing forward and reverse rotation conversion control of the front and rear main brushes, the left and right side brushes and the runner according to the number of the cleaning wheel pairs, so that the service life of the steel wire brush is obviously prolonged.
Description
Technical Field
The invention relates to the field of paint and rust removal of a railway wagon wheel pair, in particular to a full-automatic numerical control paint and rust removal machine for a railway wagon wheel shaft.
Background
When the railway freight car wheel pair is overhauled, the wheel pair needs to be subjected to surface magnetic powder flaw detection operation, all flaw detection parts need to expose basic metal surfaces according to flaw detection requirements, and the wheel pair shaft body and the dust guard plate seat need to be subjected to external cleaning, paint removal and rust removal operation.
The following problems currently exist:
1. in the existing technology for cleaning, paint removing and rust removing of the section repair wheel shaft, most of antirust varnish on the surface of the shaft body is well adhered, a paint remover is required to be coated on the surface of the shaft body before cleaning, paint removing and rust removing, the paint remover is seriously polluted, the paint remover is formed by mixing acid, chlorohydrocarbon, ketone, ester, alcohol, benzene series and other solvents, has strong corrosivity, high volatility, high toxicity and serious environmental pollution, and particularly when doors and windows are closed in winter, the acidity in the section repair garage is very strong, so that the harm to the bodies of workers is easily caused.
2. The existing wheel pair paint and rust removing machine uses a swing arm type hard steel wire wheel mechanism and a runner device mechanism, a steel wire wheel is hard, in the rotating paint and rust removing process of the wheel pair, due to the fact that the wheel rim is abraded to generate out-of-roundness, the runner device drives the wheel to rotate, radial runout can be generated, and the steel wire wheel is difficult to apply constant pressure to a shaft body to carry out continuous and stable paint and rust removing operation;
meanwhile, the runner mechanism is soaked in water for a long time by spraying water, and is subjected to paint remover and other substances in water, steel wire scraps and mechanical particles formed by shaft body rust to form composite sewage, so that a bearing sealing ring and a shaft seal part are corroded, and meanwhile, a bearing seat is frequently impacted by one ton of multiple wheel sets, under the action of double adverse factors, a runner bearing, a runner and a seal are damaged quickly, and the runner mechanism needs to be disassembled and replaced about two months.
3. Wheel set radials depainting rust cleaning is polished by hand, and manual polishing wastes time and energy, and polishing is not thorough, increases workman intensity of labour.
Disclosure of Invention
In order to solve the defects and shortcomings of the prior art, the invention provides a full-automatic numerical control paint and rust removing machine for a railway truck wheel shaft, which is higher in paint and rust removing quality. The technical scheme is as follows:
the invention provides a full-automatic numerical control paint and rust removing machine for a railway truck wheel shaft, which comprises a wheel shaft paint and rust removing device and a digital control system, wherein the wheel shaft paint and rust removing device comprises a first motor, a second motor, a third motor, a fourth motor;
the wheel axle paint and rust removing device comprises a front main brush and a rear main brush, wherein the front main brush and the rear main brush are positioned on two opposite sides of the axis of the wheel axle body;
the front main brush is connected with a first driving mechanism, a first radial feeding mechanism and a first axial reciprocating driving mechanism, the first driving mechanism is used for driving the front main brush to rotate, the first radial feeding mechanism and the first axial reciprocating driving mechanism are used for driving the front main brush to perform radial feeding and axial reciprocating movement, and the first driving mechanism, the first radial feeding mechanism and the first axial reciprocating driving mechanism are respectively connected with a digital control system so as to control the radial feeding and axial reciprocating movement of the front main brush and the rotation of the front main brush, so that the depainting and derusting of the surface of a shaft body are realized;
the rear main brush is connected with a third driving mechanism, a third radial feeding mechanism and a third axial reciprocating driving mechanism, the third driving mechanism is used for driving the rear main brush to rotate, the third radial feeding mechanism and the third axial reciprocating driving mechanism are used for driving the rear main brush to perform radial feeding and axial reciprocating movement, and the third driving mechanism, the third radial feeding mechanism and the third axial reciprocating driving mechanism are respectively connected with a digital control system so as to control the radial feeding, the axial reciprocating movement and the rotation of the rear main brush, so that the depainting and rust removal of the surface of a shaft body are realized;
when the current of the driving mechanism reaches a set value, the digital control system controls the axial reciprocating driving mechanism to respectively drive the front main brush and the rear main brush to realize reciprocating motion of the front main brush and the rear main brush according to the instruction of the digital control system so as to perform paint removal and rust removal on the surface of the axle body of the axle, and when the current of the driving mechanism fluctuates, the radial feeding mechanism controls the steel wire brush to advance and retreat according to the instruction of the digital control system so as to realize the constant pressure of the steel wire brush and ensure the paint removal and rust removal effect;
when the front and rear main brush cleaning wheel sets reach the preset number, the digital control system controls the front and rear main brushes to rotate in opposite directions for cleaning so as to prolong the service life of the brushes.
As a priority of the technical scheme, the wheel axle paint-removing and rust-removing device further comprises a left side brush and a right side brush, wherein the left side brush is positioned on one side of the dust-proof plate seat at the left end of the wheel axle, and the right side brush is positioned on one side of the dust-proof plate seat at the right end of the wheel axle;
the left side brush is connected with a second driving mechanism, a second radial feeding mechanism and a second axial reciprocating driving mechanism, the second driving mechanism is used for driving the left side brush to rotate, the second radial feeding mechanism and the second axial reciprocating driving mechanism are used for driving the left side brush to radially feed and axially reciprocate, and the second driving mechanism, the second radial feeding mechanism and the second axial reciprocating driving mechanism are respectively connected with a digital control system so as to control the radial feeding, the axial reciprocating movement and the rotation of the left side brush, so that the depainting and rust removal of the surface of a dustproof plate seat at the left end of the wheel shaft are realized;
the right side brush is connected with a fourth driving mechanism, a fourth radial feeding mechanism and a fourth axial reciprocating driving mechanism, the fourth driving mechanism is used for driving the right side brush to rotate, the fourth radial feeding mechanism and the fourth axial reciprocating driving mechanism are used for driving the right side brush to radially feed and axially reciprocate, and the fourth driving mechanism, the fourth radial feeding mechanism and the fourth axial reciprocating driving mechanism are respectively connected with a digital control system so as to control the radial feeding, the axial reciprocating movement and the rotation of the right side brush and realize the depainting and derusting of the surface of a dustproof plate seat at the right end of the wheel shaft;
when the current of the driving mechanism reaches a set value, the digital control system controls the axial reciprocating driving mechanism to respectively drive the left side brush and the right side brush to realize reciprocating motion of the left side brush and the right side brush according to the instruction of the digital control system so as to perform paint removal and rust removal on the surface of the dustproof plate seat, and when the current of the driving mechanism fluctuates, the radial feeding mechanism controls the steel wire brush to advance and retreat according to the instruction of the digital control system so as to realize the constant pressure of the steel wire brush and ensure the paint removal and rust removal effects;
when the left side brush and the right side brush cleaning wheel pair reach preset quantity, the digital control system controls the left side brush and the right side brush to rotate in opposite directions for cleaning so as to prolong the service life of the brushes.
Preferably, the wheel feeding device comprises a buffering unit and a wheel pushing unit, wherein the buffering unit and the wheel pushing unit are arranged on one side of the track, the buffering unit is used for positioning a wheel pair arriving along the track, and the wheel pushing unit is used for pushing a wheel shaft to enter the next station.
Preferably, the lower part of the wheel shaft paint and rust removing device comprises a runner, and the runner comprises a runner device, a buffer device and a wheel pushing device;
the rotating wheel device comprises a driving roller and a driven roller which are oppositely arranged, the driving roller is connected with a motor reducer, and a wheel pair is accommodated between the driving roller and the driven roller to drive the wheels to rotate;
the buffer device comprises a buffer top shaft, a buffer push wheel is arranged on the buffer top shaft, the buffer top shaft is connected with a buffer push rod, specifically, one end of the buffer push rod is hinged with the fixed surface through a rotating pin shaft, the other end of the buffer push rod is hinged with the buffer push rod, and the buffer top shaft is connected with a buffer cylinder to push the buffer top shaft to move;
the push wheel device comprises a discharge push shaft, a discharge push wheel is arranged on the discharge push shaft, the discharge push shaft is connected with a discharge push rod, one end of the discharge push rod is hinged with the fixed surface through a rotating pin shaft, the other end of the discharge push rod is hinged with the discharge push wheel, and the discharge push shaft is connected with a push wheel cylinder to push the discharge push shaft to move.
Preferably, the main brushes are respectively arranged on the main brush swing supports corresponding to the main brushes, each main brush swing support is connected with a main brush bracket through a main brush self-alignment swing device, the main brush self-alignment swing device comprises a swing shaft, one end of the swing shaft is connected with the main brush swing support through a bearing sleeve, and the other end of the swing shaft is connected with the main brush bracket.
As a priority of the above technical scheme, a universal rolling bearing is further arranged between the main shaft swing support and the main brush bracket, the universal rolling bearing is located on one side away from the main brush self-alignment swing device, and two sides of the main brush swing support are connected with the balance adjusting screw through a disc spring.
Preferably, the digital control system is connected with the wheel rotating device, and when the number of the front rear main brush cleaning wheel pairs and the left and right side brush cleaning wheel pairs reaches a preset number, the digital control system controls the wheel rotating device to rotate in opposite directions so as to prolong the service life of the brushes.
Preferably, the buffer unit comprises a buffer unit cylinder, a buffer roller is arranged at the power output end of the buffer unit cylinder, the buffer roller is connected with a buffer push rod, and specifically, one end of the buffer push rod is hinged with the fixed surface through a rotating pin shaft, and the other end of the buffer push rod is hinged with a rotating shaft of the buffer roller;
the push wheel unit comprises a push wheel unit cylinder, a push wheel roller is arranged at the power output end of the push wheel unit cylinder, the push wheel roller is connected with a push wheel push rod, specifically, one end of the push wheel push rod is hinged with the fixed surface through a rotating pin shaft, and the other end of the push wheel push rod is hinged with a rotating shaft of the push wheel roller.
Preferably, the driving roller and the driven roller have V-shaped outer circles.
Preferably, the front main brush and the rear main brush are located at the upper parts of two opposite sides of the axle of the wheel set axle body, or in the horizontal direction of two opposite sides of the axle of the wheel set axle body.
The invention provides a full-automatic numerical control paint and rust removing machine for a railway truck wheel shaft, which comprises the following working processes: wheel feeding, wheel shaft positioning, wheel shaft rotating, steel wire brush fast feeding, paint and rust removing feeding maintaining, and paint and rust removing finishing fast returning. The front main brush, the rear main brush, the left side brush and the right side brush feed to realize automatic digital control, when the device works, the digital control system detects the current of a motor driving the steel wire brush to rotate and feeds the current back to the digital control system, and the digital control system sends an instruction to the servo feed mechanism to realize automatic advance and retreat of the steel wire brush, so that the steel wire brush exerts constant force on a wheel shaft, the paint and rust removing efficiency and the quality are high, and a paint remover is not needed; meanwhile, the front main brush and the rear main brush are positioned on two opposite sides of the upper part of the axle shaft of the wheel pair, so that the stability of the wheel shaft in the paint and rust removing process can be kept; and the digital control system is used for automatically realizing forward and reverse rotation conversion control of the front and rear main brushes, the left and right side brushes and the runner according to the number of the cleaning wheel pairs, so that the service life of the steel wire brush is obviously prolonged.
The invention provides a full-automatic numerical control paint and rust removing machine for a railway truck wheel shaft, which solves the space limitation of multi-station extrusion, introduces the principle and idea of a numerical control machine tool, changes the contact between a steel wire brush and a shaft body by using a balance weight into the numerical control machine tool type servo control, and uses the current of a steel wire brush driving motor as the command for advancing and retreating the steel wire brush, thereby ensuring the constant pressure and constant coincidence of the steel wire brush and the shaft body, having uniform and consistent paint and rust removing effects, not needing paint removing agents and having high paint and rust removing efficiency.
Economic benefits;
1. the step of painting the paint remover is omitted, the paint remover does not need to be purchased, the vehicle repairing cost is saved, and the labor intensity of workers is reduced.
2. The servo feeding can ensure that the steel wire brush applies constant force to the shaft body, reduce steel wire breakage, improve the service life of the steel wire brush and save 30 percent per year.
3. The two wheel shaft paint and rust removing machines work simultaneously, so that the paint and rust removing efficiency is greatly improved.
And (4) saving capital measurement:
according to 2016 statistics, a toe cap company calculates that the consumption of a paint remover is 21.8 ten thousand, the consumption of a steel wire wheel is 21.91 ten thousand, the paint remover procedure is cancelled by new equipment, and the abrasion degree of a newly developed steel wire brush is estimated to be reduced by 30% compared with that of an old brush due to the adoption of a flexible grinding brush.
Only two items of paint remover and steel wire wheel can be saved, and the capital can be saved each year: 21.8 ten thousand +21.91 ten thousand multiplied by 30 percent (28.373 ten thousand)
Social benefits are as follows:
1. eliminating air pollution and environmental pollution on site.
2. The material consumption is reduced.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
FIG. 1 is a schematic structural view of a full-automatic numerical control paint and rust removing machine for a railway truck wheel axle provided in an embodiment of the invention;
FIG. 2 is a schematic structural diagram of a paint and rust removing device for an axle provided in an embodiment of the invention;
FIG. 3 is a schematic structural diagram of a wheel advancing device provided in an embodiment of the present invention;
FIG. 4 is a schematic view of a rotor structure provided in an embodiment of the present invention;
FIG. 5 is a schematic structural diagram of a driving device of a wheel mechanism provided in an embodiment of the present invention;
FIG. 6 is a schematic structural diagram of a buffering device provided in an embodiment of the present invention;
FIG. 7 is a schematic structural diagram of a wheel pushing apparatus provided in an embodiment of the present invention;
FIG. 8 is a schematic structural view of the main and side brush servo transmission portions provided in the embodiment of the present invention;
FIG. 9 is a schematic view of a main brush driving part provided in the embodiment of the present invention;
FIG. 10 is a schematic view of a side brush driving part provided in the embodiment of the present invention;
FIG. 11 is a schematic structural view illustrating a connection state of a main brush self-alignment swinging device provided in an embodiment of the present invention;
FIG. 12 is a side view of FIG. 11;
FIG. 13 is a top view of FIG. 11;
FIG. 14 is a schematic diagram of a circuit of the full-automatic numerical control paint and rust removing machine for the wheel shaft of the railway wagon provided in the embodiment of the invention;
reference numerals: 1 wheel feeding device, 3 wheel shaft depainting deruster (comprising two parts which are symmetrically arranged), 4-first wheel rotating device, 1.1 guide rail, 1.2 wheel pushing unit, 1.3 buffer unit, 3.1 main brush transverse movement gas-liquid damping cylinder, 3.2 main brush slide rail part, 3.3 main brush servo transmission, 3.4 main brush driving part, 3.5 side brush transverse movement cylinder, 3.6 side brush slide rail part, 3.7 side brush servo transmission, 3.8 side brush driving part, 3.3.1 servo motor with brake, 3.3.2 speed reducer, 3.3.3.3 shaft coupling, 3.3.4 ball screw, 3.3.5 sliding table, 3.3.6 sliding table base, 3.4 main brush driving part, 3.4.1 main brush bracket, 3.4.2 main brush bearing seat, 3.4.3.3 main brush driving motor, 3.4.4 main brush, 3.4.5 self-aligning swinging device, 3.4.6 main brush bracket, 3.7 main brush swinging bracket, 3.7 side brush swinging adjusting screw, 3.7 side brush adjusting device, 3.36.32 side brush driving device, 3.3.3.3.3.3.3.3.3, 364 universal driving screw, 364 side brush driving device, 3.3.3.3.3.3.3.3, 4.3 push wheel device, 4.1.1 motor with speed reducer, 4.1.2 shaft coupling, 4.1.3 driving roll, 4.1.4 driven roll, 4.2.1 buffer cylinder, 4.2.2 buffer push rod, 4.2.3 buffer top shaft, 4.2.4 rotating pin, 4.2.5 buffer push wheel, 4.3.1 cylinder, 4.3.2 discharging top shaft, 4.3.3 discharging push rod, 4.3.4 rotating pin, 4.3.5 discharging top wheel.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, embodiments of the present invention will be described in detail with reference to the accompanying drawings.
The invention relates to a full-automatic numerical control paint and rust removing machine for a railway truck wheel shaft, which comprises a wheel shaft paint and rust removing device and a digital control system;
the wheel axle paint and rust removing device comprises a front main brush, a left side brush, a rear main brush and a right side brush, wherein the front main brush and the rear main brush are positioned on two opposite sides of the axis of the wheel axle body, and the front main brush and the rear main brush can be positioned on the upper parts of two opposite sides of the axis of the wheel axle body or on the horizontal direction of the two opposite sides of the axis of the wheel axle body. The left brush is positioned on one side of the dust guard seat at the left end of the wheel shaft, and the right brush is positioned on one side of the dust guard seat at the right end of the wheel shaft;
the front main brush is connected with a first driving mechanism, a first radial feeding mechanism and a first axial reciprocating driving mechanism, the first driving mechanism is used for driving the front main brush to rotate, the first radial feeding mechanism and the first axial reciprocating driving mechanism are used for driving the front main brush to perform radial feeding and axial reciprocating movement, and the first driving mechanism, the first radial feeding mechanism and the first axial reciprocating driving mechanism are respectively connected with a digital control system so as to control the radial feeding and axial reciprocating movement of the front main brush and the rotation of the front main brush, so that the depainting and derusting of the surface of a shaft body are realized;
the left side brush is connected with a second driving mechanism, a second radial feeding mechanism and a second axial reciprocating driving mechanism, the second driving mechanism is used for driving the left side brush to rotate, the second radial feeding mechanism and the second axial reciprocating driving mechanism are used for driving the left side brush to radially feed and axially reciprocate, and the second driving mechanism, the second radial feeding mechanism and the second axial reciprocating driving mechanism are respectively connected with a digital control system so as to control the radial feeding, the axial reciprocating movement and the rotation of the left side brush, so that the depainting and rust removal of the surface of a dustproof plate seat at the left end of the wheel shaft are realized;
the rear main brush is connected with a third driving mechanism, a third radial feeding mechanism and a third axial reciprocating driving mechanism, the third driving mechanism is used for driving the rear main brush to rotate, the third radial feeding mechanism and the third axial reciprocating driving mechanism are used for driving the rear main brush to perform radial feeding and axial reciprocating movement, and the third driving mechanism, the third radial feeding mechanism and the third axial reciprocating driving mechanism are respectively connected with a digital control system so as to control the radial feeding, the axial reciprocating movement and the rotation of the rear main brush, so that the depainting and rust removal of the surface of a shaft body are realized;
the right side brush is connected with a fourth driving mechanism, a fourth radial feeding mechanism and a fourth axial reciprocating driving mechanism, the fourth driving mechanism is used for driving the right side brush to rotate, the fourth radial feeding mechanism and the fourth axial reciprocating driving mechanism are used for driving the right side brush to radially feed and axially reciprocate, and the fourth driving mechanism, the fourth radial feeding mechanism and the fourth axial reciprocating driving mechanism are respectively connected with a digital control system so as to control the radial feeding, the axial reciprocating movement and the rotation of the right side brush and realize the depainting and derusting of the surface of a dustproof plate seat at the right end of the wheel shaft;
when the brush is in radial feeding contact with the shaft body and the dust guard, the digital control system monitors the driving mechanism, when the current of the driving mechanism reaches a set value, the digital control system controls the axial reciprocating driving mechanism to respectively drive the main brush and the side brush to realize the reciprocating motion of the main brush and the side brush according to the instruction of the digital control system so as to perform paint and rust removal on the surface of the shaft body of the shaft and the surface of the dust guard, and when the current of the driving mechanism fluctuates, the radial feeding mechanism controls the steel wire brush to advance and retreat according to the instruction of the digital control system so as to realize the constant pressure of the steel wire brush and ensure the paint and rust removal effect;
when the front rear main brush and the left and right side brush cleaning wheel pairs reach preset number, the digital control system controls the front and rear main brushes and the left and right side brushes to rotate in opposite directions for cleaning so as to prolong the service life of the brushes.
The wheel feeding device is positioned in front of the wheel shaft paint and rust removing device and comprises a buffer unit and a wheel pushing unit which are arranged on one side of the track, the buffer unit is used for positioning the wheel pair arriving along the track, the wheel pushing unit is used for pushing the wheel shaft to enter the next station, the buffer unit comprises a buffer unit cylinder, the power output end of the buffer unit cylinder is provided with a buffer roller, the buffer roller is connected with a buffer push rod, in particular to a rotating shaft of which one end is hinged with the fixed surface through a rotating pin shaft and the other end is hinged with the buffer roller, the push wheel unit comprises a push wheel unit cylinder, the power output end of the push wheel unit cylinder is provided with a push wheel roller, the push wheel roller is connected with a push wheel push rod, specifically, one end of the push wheel push rod is hinged with the fixed surface through a rotating pin shaft, and the other end of the push wheel push rod is hinged with a rotating shaft of the push wheel roller.
The lower part of the wheel shaft paint and rust removing device comprises a runner, and the runner comprises a runner device, a buffer device and a wheel pushing device;
the rotating wheel device comprises a driving roller and a driven roller which are oppositely arranged, the outer circles of the driving roller and the driven roller adopt V-shaped structures, the driving roller is connected with a motor reducer, and a wheel pair is accommodated between the driving roller and the driven roller to drive the wheels to rotate;
the buffer device comprises a buffer top shaft, a buffer push wheel is arranged on the buffer top shaft, the buffer top shaft is connected with a buffer push rod, specifically, one end of the buffer push rod is hinged with the fixed surface through a rotating pin shaft, the other end of the buffer push rod is hinged with the buffer push rod, and the buffer top shaft is connected with a buffer cylinder to push the buffer top shaft to move;
the push wheel device comprises a discharge push shaft, a discharge push wheel is arranged on the discharge push shaft, the discharge push shaft is connected with a discharge push rod, one end of the discharge push rod is hinged with the fixed surface through a rotating pin shaft, the other end of the discharge push rod is hinged with the discharge push wheel, and the discharge push shaft is connected with a push wheel cylinder to push the discharge push shaft to move.
The main brushes are respectively arranged on the main brush swing supports corresponding to the main brushes, each main brush swing support is connected with a main brush bracket through a main brush self-alignment swing device, each main brush self-alignment swing device comprises a swing shaft, one end of each swing shaft is connected with the corresponding main brush swing support through a bearing sleeve, and the other end of each swing shaft is connected with the corresponding main brush bracket. And a universal rolling bearing is further arranged between the main shaft swinging support and the main brush bracket, the universal rolling bearing is positioned on one side of the main brush self-aligning swinging device, and the two sides of the main brush swinging support are connected with balance adjusting screws through disc springs.
The digital control system is connected with the wheel rotating device, and when the number of the front rear main brush cleaning wheel pairs and the left and right side brush cleaning wheel pairs reaches a preset number, the digital control system controls the wheel rotating device to rotate in opposite directions so as to prolong the service life of the brushes.
Specifically, preceding main brush radial feed mechanism and back main brush radial feed mechanism are for setting up respectively in the 3.3 main brush servo drive of the relative both sides of wheel pair axle body axis, and left side brush radial feed mechanism and right side brush radial feed mechanism are for setting up respectively in the 3.7 side brush servo drive of dust guard seat one side at shaft both ends, and 3.3 main brush servo drive is the same with 3.7 side brush servo drive structure, including the servo motor of 3.3.1 area brake, the servo motor of area brake passes through 3.3.2 speed reducer, 3.3.3.3 coupling joint 3.3.4 ball, ball sets up on 3.3.6 slip table base, the last 3.3.5 slip tables that are provided with of ball. Preceding main brush drive division is 3.4 main brush drive division respectively with back main brush drive division, 3.4 main brush drive division includes 3.4.1 main brush bracket, 3.4.2 main brush bearing frame, 3.4.3 main brush driving motor, at least one 3.4.4 main brush, 3.4.5 main brush self-alignment pendulous device, 3.4.1 main brush bracket connection corresponding preceding main brush radial feed mechanism and back main brush radial feed mechanism's ball slide table is so that main brush radial movement. The left side brush drive division is 3.8 side brush drive division respectively with the right side brush drive division, 3.8 side brush drive division includes side brush bracket, 3.8.1 side brush bearing frame, 3.8.2 side brush driving motor, 3.8.3 side brush, the radial feed mechanism of left side brush that corresponds and the radial feed mechanism's of right side brush ball screw slip table are connected to the side brush bracket so that the side brush radial movement.
And the 3.3 main brush servo transmission and the 3.7 side brush servo transmission are respectively arranged on the 3.2 main brush slide rail part and the 3.6 side brush slide rail part through the 3.3.6 slide table base. The 3.2 main brush slide rail part and the 3.6 side brush slide rail part are respectively arranged on the guide rail, and the 3.2 main brush slide rail part and the 3.6 side brush slide rail part are respectively connected with a 3.1 main brush transverse movement air-liquid damping cylinder and a 3.5 side brush transverse movement air cylinder (namely an axial reciprocating driving mechanism).
After the main brush is contacted with the shaft body, the 3.4.5 main brush self-alignment swinging device can automatically adjust the central line of the main brush to be parallel to the central line of the wheel shaft, so that the main brush is in full contact fit with the wheel shaft, wherein the main brush is arranged on a 3.4.6 main brush swinging support, one end of a swinging shaft of the main brush self-alignment swinging device is connected with the main brush swinging support through a bearing sleeve, and the other end of the swinging shaft is connected with a 3.4.1 main brush bracket. Still be provided with 3.4.7 universal antifriction bearing between main shaft swing bracket and the main brush bracket, universal antifriction bearing is located and keeps away from main brush self-alignment pendulous device one side, main brush swing bracket both sides are through dish spring connection 3.4.8 balance adjustment screw.
When the wheel feeding device works, a wheel shaft to be depainted and derusted arrives at the wheel feeding device along a track, and the wheel shaft is positioned by a 1.3 buffer unit of the wheel feeding device. After readiness, the wheel axle is pushed into the wheel rotator by the 1.2 wheel pushing unit at the wheel advancing device, and the 4.2 buffer device of the wheel rotator positions the wheel axle. At the moment, the wheel shaft is arranged on the rotating wheel driving device and is supported by the 4.1.3 driving roller and the 4.1.4 driven roller, and the 4.1.1 motor with the speed reducer is started to drag the wheel shaft to rotate.
And 3.4, starting a main brush driving part and a 3.8 side brush driving part, and rotating the main brush and the side brush. 3.3 the servo transmission of the main brush and the servo transmission of the 3.7 side brush drive the steel wire brush to contact with the shaft body, the digital control system monitors the motors of the main brush and the side brush, when the current reaches a set value, the digital control system controls the 3.1 main brush transverse movement gas-liquid damping cylinder and the 3.5 side brush transverse movement cylinder to respectively drive the 3.2 main brush slide rail part and the 3.6 side brush slide rail part to realize the reciprocating motion of the main brush and the side brush according to the instruction of the digital control system, and the two sides of the shaft body of the shaft are depainted and derusted.
When the currents of the main brush motor and the side brush motor fluctuate, the respective servo transmission systems operate the steel wire brush to advance and retreat according to the instruction of the digital control system, so that the constant pressure of the steel wire brush is realized, and the paint and rust removing effect is ensured. After the paint and rust removal of the axle body of the wheel axle is finished, the main brush, the side brush and the wheel axle are stopped to operate, and the digital control system is quickly reset through the servo transmission system to wait for the start of paint and rust removal of the next wheel pair.
And the rotating wheel driving device of the rotating wheel device stops rotating, the 4.3 wheel pushing device is started, and the discharging top wheel pushes the wheel shaft to enter the next station.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (10)
1. A full-automatic numerical control paint and rust removing machine for a railway truck wheel shaft is characterized by comprising a wheel shaft paint and rust removing device and a numerical control system;
the wheel axle paint and rust removing device comprises a front main brush and a rear main brush, wherein the front main brush and the rear main brush are positioned on two opposite sides of the axis of the wheel axle body;
the front main brush is connected with a first driving mechanism, a first radial feeding mechanism and a first axial reciprocating driving mechanism, the first driving mechanism is used for driving the front main brush to rotate, the first radial feeding mechanism and the first axial reciprocating driving mechanism are used for driving the front main brush to perform radial feeding and axial reciprocating movement, and the first driving mechanism, the first radial feeding mechanism and the first axial reciprocating driving mechanism are respectively connected with a digital control system so as to control the radial feeding and axial reciprocating movement of the front main brush and the rotation of the front main brush, so that the depainting and derusting of the surface of a shaft body are realized;
the rear main brush is connected with a third driving mechanism, a third radial feeding mechanism and a third axial reciprocating driving mechanism, the third driving mechanism is used for driving the rear main brush to rotate, the third radial feeding mechanism and the third axial reciprocating driving mechanism are used for driving the rear main brush to perform radial feeding and axial reciprocating movement, and the third driving mechanism, the third radial feeding mechanism and the third axial reciprocating driving mechanism are respectively connected with a digital control system so as to control the radial feeding, the axial reciprocating movement and the rotation of the rear main brush, so that the depainting and rust removal of the surface of a shaft body are realized;
when the current of the driving mechanism reaches a set value, the digital control system controls the axial reciprocating driving mechanism to respectively drive the front main brush and the rear main brush to realize reciprocating motion of the front main brush and the rear main brush according to the instruction of the digital control system so as to perform paint removal and rust removal on the surface of the axle body of the axle, and when the current of the driving mechanism fluctuates, the radial feeding mechanism controls the steel wire brush to advance and retreat according to the instruction of the digital control system so as to realize the constant pressure of the steel wire brush and ensure the paint removal and rust removal effect;
when the front and rear main brush cleaning wheel sets reach the preset number, the digital control system controls the front and rear main brushes to rotate in opposite directions for cleaning so as to prolong the service life of the brushes.
2. The full-automatic numerical control paint and rust removing machine for the axles of the railway wagon of claim 1, wherein the axle paint and rust removing device further comprises a left side brush and a right side brush, the left side brush is positioned on one side of the dust guard seat at the left end of the axle, and the right side brush is positioned on one side of the dust guard seat at the right end of the axle;
the left side brush is connected with a second driving mechanism, a second radial feeding mechanism and a second axial reciprocating driving mechanism, the second driving mechanism is used for driving the left side brush to rotate, the second radial feeding mechanism and the second axial reciprocating driving mechanism are used for driving the left side brush to radially feed and axially reciprocate, and the second driving mechanism, the second radial feeding mechanism and the second axial reciprocating driving mechanism are respectively connected with a digital control system so as to control the radial feeding, the axial reciprocating movement and the rotation of the left side brush, so that the depainting and rust removal of the surface of a dustproof plate seat at the left end of the wheel shaft are realized;
the right side brush is connected with a fourth driving mechanism, a fourth radial feeding mechanism and a fourth axial reciprocating driving mechanism, the fourth driving mechanism is used for driving the right side brush to rotate, the fourth radial feeding mechanism and the fourth axial reciprocating driving mechanism are used for driving the right side brush to radially feed and axially reciprocate, and the fourth driving mechanism, the fourth radial feeding mechanism and the fourth axial reciprocating driving mechanism are respectively connected with a digital control system so as to control the radial feeding, the axial reciprocating movement and the rotation of the right side brush and realize the depainting and derusting of the surface of a dustproof plate seat at the right end of the wheel shaft;
when the current of the driving mechanism reaches a set value, the digital control system controls the axial reciprocating driving mechanism to respectively drive the left side brush and the right side brush to realize reciprocating motion of the left side brush and the right side brush according to the instruction of the digital control system so as to perform paint removal and rust removal on the surface of the dustproof plate seat, and when the current of the driving mechanism fluctuates, the radial feeding mechanism controls the steel wire brush to advance and retreat according to the instruction of the digital control system so as to realize the constant pressure of the steel wire brush and ensure the paint removal and rust removal effects;
when the left side brush and the right side brush cleaning wheel pair reach preset quantity, the digital control system controls the left side brush and the right side brush to rotate in opposite directions for cleaning so as to prolong the service life of the brushes.
3. The full-automatic numerical control paint and rust removing machine for the axles of the railway wagon of claim 1, further comprising a wheel feeding device positioned in front of the paint and rust removing device for the axles, wherein the wheel feeding device comprises a buffer unit and a wheel pushing unit, the buffer unit is arranged on one side of the track and used for positioning the wheel pairs arriving along the track, and the wheel pushing unit is used for pushing the axles to enter the next station.
4. The full-automatic numerical control paint and rust removing machine for the axles of the railway wagon of claim 1 or 2, wherein the lower part of the axle paint and rust removing device comprises a runner, and the runner comprises a runner device, a buffer device and a wheel pushing device;
the rotating wheel device comprises a driving roller and a driven roller which are oppositely arranged, the driving roller is connected with a motor reducer, and a wheel pair is accommodated between the driving roller and the driven roller to drive the wheels to rotate;
the buffer device comprises a buffer top shaft, a buffer push wheel is arranged on the buffer top shaft, the buffer top shaft is connected with a buffer push rod, specifically, one end of the buffer push rod is hinged with the fixed surface through a rotating pin shaft, the other end of the buffer push rod is hinged with the buffer push rod, and the buffer top shaft is connected with a buffer cylinder to push the buffer top shaft to move;
the push wheel device comprises a discharge push shaft, a discharge push wheel is arranged on the discharge push shaft, the discharge push shaft is connected with a discharge push rod, one end of the discharge push rod is hinged with the fixed surface through a rotating pin shaft, the other end of the discharge push rod is hinged with the discharge push wheel, and the discharge push shaft is connected with a push wheel cylinder to push the discharge push shaft to move.
5. The full-automatic numerical control paint and rust removing and removing machine for the axles of the railway wagon of claim 1, wherein the main brushes are respectively arranged on the main brush swing brackets corresponding to the main brushes, each main brush swing bracket is connected with a main brush bracket through a main brush self-aligning swing device, each main brush self-aligning swing device comprises a swing shaft, one end of each swing shaft is connected with the corresponding main brush swing bracket through a bearing sleeve, and the other end of each swing shaft is connected with the corresponding main brush bracket.
6. The full-automatic numerical control paint and rust removing machine for the wheel shaft of the railway wagon as claimed in claim 5, wherein a universal rolling bearing is further arranged between the main shaft swing bracket and the main brush bracket, the universal rolling bearing is positioned on one side far away from the main brush self-aligning swing device, and two sides of the main brush swing bracket are connected with balance adjusting screws through disc springs.
7. The full-automatic numerical control paint and rust removing machine for the axles of the railway wagon of claim 4, wherein the numerical control system is connected with the wheel rotating devices, and when the number of the front rear main brushes and/or the left and right side brush cleaning wheel pairs reaches a preset number, the numerical control system controls the wheel rotating devices to rotate in opposite directions so as to prolong the service life of the brushes.
8. The full-automatic numerical control paint and rust removing machine for the axles of the railway wagon of claim 3, wherein the buffer unit comprises a buffer unit cylinder, a buffer roller is arranged at a power output end of the buffer unit cylinder, the buffer roller is connected with a buffer push rod, and specifically, one end of the buffer push rod is hinged with the fixed surface through a rotating pin shaft, and the other end of the buffer push rod is hinged with a rotating shaft of the buffer roller;
the push wheel unit comprises a push wheel unit cylinder, a push wheel roller is arranged at the power output end of the push wheel unit cylinder, the push wheel roller is connected with a push wheel push rod, specifically, one end of the push wheel push rod is hinged with the fixed surface through a rotating pin shaft, and the other end of the push wheel push rod is hinged with a rotating shaft of the push wheel roller.
9. The full-automatic numerical control paint and rust removing machine for the axles of the railway wagon of claim 4, wherein the outer circles of the driving roller and the driven roller are of V-shaped structures.
10. The fully-automatic numerical control paint and rust removing machine for the axle of the railway wagon as claimed in claim 1, wherein the front main brush and the rear main brush are positioned at the upper parts of two opposite sides of the axle body of the wheel set, or in the horizontal direction of two opposite sides of the axle body of the wheel set.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010160483.7A CN111203789A (en) | 2020-03-10 | 2020-03-10 | Full-automatic numerical control paint-removing rust-removing machine for railway truck wheel shaft |
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| CN202010160483.7A CN111203789A (en) | 2020-03-10 | 2020-03-10 | Full-automatic numerical control paint-removing rust-removing machine for railway truck wheel shaft |
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| CN202010160483.7A Pending CN111203789A (en) | 2020-03-10 | 2020-03-10 | Full-automatic numerical control paint-removing rust-removing machine for railway truck wheel shaft |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112658932A (en) * | 2020-12-23 | 2021-04-16 | 神华铁路装备有限责任公司 | Wheel set shaft body rust removal device and method |
| CN112658934A (en) * | 2020-12-23 | 2021-04-16 | 神华铁路装备有限责任公司 | Wheel set derusting machine and derusting method thereof |
| CN112677009A (en) * | 2020-12-23 | 2021-04-20 | 神华铁路装备有限责任公司 | Wheel set rust removing device and method |
| CN112677010A (en) * | 2020-12-23 | 2021-04-20 | 神华铁路装备有限责任公司 | Dust-proof plate seat rust removal device and method |
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| CN112677010A (en) * | 2020-12-23 | 2021-04-20 | 神华铁路装备有限责任公司 | Dust-proof plate seat rust removal device and method |
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