CN111571354A - Valve body machining process of pressure regulating valve - Google Patents

Valve body machining process of pressure regulating valve Download PDF

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Publication number
CN111571354A
CN111571354A CN202010335462.4A CN202010335462A CN111571354A CN 111571354 A CN111571354 A CN 111571354A CN 202010335462 A CN202010335462 A CN 202010335462A CN 111571354 A CN111571354 A CN 111571354A
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CN
China
Prior art keywords
polishing
valve body
fixedly connected
valve
plate
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Granted
Application number
CN202010335462.4A
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Chinese (zh)
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CN111571354B (en
Inventor
杨皓然
周浩
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Kunshan lirongxin Precision Machinery Co.,Ltd.
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杨皓然
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Priority to CN202010335462.4A priority Critical patent/CN111571354B/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B24GRINDING; POLISHING
    • B24BMACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B9/00Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor
    • B24B9/02Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor characterised by a special design with respect to properties of materials specific to articles to be ground
    • B24B9/04Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor characterised by a special design with respect to properties of materials specific to articles to be ground of metal, e.g. skate blades
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23PMETAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
    • B23P15/00Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
    • B23P15/001Making specific metal objects by operations not covered by a single other subclass or a group in this subclass valves or valve housings
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B24GRINDING; POLISHING
    • B24BMACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B27/00Other grinding machines or devices
    • B24B27/0076Other grinding machines or devices grinding machines comprising two or more grinding tools
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B24GRINDING; POLISHING
    • B24BMACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B41/00Component parts such as frames, beds, carriages, headstocks
    • B24B41/04Headstocks; Working-spindles; Features relating thereto
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B24GRINDING; POLISHING
    • B24BMACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B41/00Component parts such as frames, beds, carriages, headstocks
    • B24B41/06Work supports, e.g. adjustable steadies
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B24GRINDING; POLISHING
    • B24BMACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B45/00Means for securing grinding wheels on rotary arbors
    • B24B45/006Quick mount and release means for disc-like wheels, e.g. on power tools
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B24GRINDING; POLISHING
    • B24BMACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B47/00Drives or gearings; Equipment therefor
    • B24B47/10Drives or gearings; Equipment therefor for rotating or reciprocating working-spindles carrying grinding wheels or workpieces
    • B24B47/12Drives or gearings; Equipment therefor for rotating or reciprocating working-spindles carrying grinding wheels or workpieces by mechanical gearing or electric power
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B24GRINDING; POLISHING
    • B24BMACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B47/00Drives or gearings; Equipment therefor
    • B24B47/22Equipment for exact control of the position of the grinding tool or work at the start of the grinding operation

Abstract

The invention belongs to the technical field of valve body machining, and particularly relates to a valve body machining process of a pressure regulating valve, which comprises the following steps: s1, placing the valve carbon steel forging stock which is well arranged according to the specification into a temperature-controllable heating furnace, and heating the valve carbon steel forging stock to the initial forging temperature; through setting up first mounting disc, first brush, the mounting groove, support the slide, the regulating plate, the back shaft, the second mounting disc, the second brush, the second motor, the backup pad, the fourth cylinder, push-and-pull device, make first brush and the second brush of polishing can polish simultaneously, make the area of polishing bigger, can find the angle of polishing of ideal on the one hand, the blind area of polishing has been reduced, on the other hand span is enough, can polish simultaneously all around of valve body inner wall in step, need not to change equipment and process, the quality of polishing and the efficiency of polishing have been improved, the processing cost is reduced.

Description

Valve body machining process of pressure regulating valve
Technical Field
The invention belongs to the technical field of valve body machining, and particularly relates to a valve body machining process of a pressure regulating valve.
Background
The regulating valve is also called a control valve, and in the field of industrial automation process control, the final control element for changing the process parameters of medium flow, pressure, temperature, liquid level and the like by power operation through receiving the control signal output by a regulating control unit.
The prior art also has some technical schemes of valve body processing technology, for example, a Chinese patent with application number of 201711199379.3 discloses a valve body processing technology of a pressure regulating valve, which comprises that 1, ball-milling cast iron, manganese, zinc oxide and nano silicon powder are firstly put into a high-temperature kiln, heated to 1800 ℃, fired for 8 hours, and then cooled to 1200 ℃ at 30 ℃/min; 2 adding boron phosphide and boron phosphide into a high-temperature kiln, heating to 1920 ℃ at a speed of 120 ℃/min, and preserving heat for 2 hours; 3, cooling to 1000 ℃ within 5 minutes; 4, feeding the material into a forming machine, manufacturing a valve body according to the specification, and naturally cooling.
In the prior art, when the valve body and the valve component are polished, and the valve component need to be polished at different positions, the bending part and the inner concave part of the valve and the valve component are polished, and polishing equipment with different polishing needs to be replaced, so that the processing efficiency is reduced, and the equipment cost is increased for processing the valve body and the valve.
Disclosure of Invention
In order to make up for the defects of the prior art and solve the problems that in the prior art, when a valve body and a valve part are polished, different positions of the valve and the valve part are polished, the bent part and the inner sunken part of the valve and the valve part are polished, and different polishing devices are replaced for polishing, so that the processing efficiency is reduced, on one hand, when the components entering the valve and the valve part are added at the cost of equipment, the heat in stirring equipment can be lost through an injection port, the temperature of the components injected later is low, the stirring temperature can be instantly reduced, the temperature required for normal stirring is influenced, and the stirring process is influenced.
The technical scheme adopted by the invention for solving the technical problems is as follows: the invention relates to a valve body processing technology of a pressure regulating valve, which comprises the following steps:
s1, placing the valve carbon steel forging stock which is well arranged according to the specification into a temperature-controllable heating furnace, and heating the valve carbon steel forging stock to the initial forging temperature; if the valve is directly forged without heating, the lattice distortion of the material can be caused, internal stress is generated, and even the material is cracked, the heating temperature can be well controlled by the temperature-controllable heating furnace, the problem that the normal forging is influenced because the heating temperature exceeds or is lower than the initial forging temperature when the valve carbon steel forging material is heated is solved, and the valve body processing is facilitated;
s2, supplying heat to the temperature-controllable forging die in advance, filling the valve carbon steel forging stock reaching the initial forging temperature into the temperature-controllable forging die for forging until the valve carbon steel forging stock is completely filled in a working gap of the die, continuously supplying heat, and keeping the final-stage temperature of the forging die; the finish forging temperature is too low, the work hardening of metal is serious, the deformation resistance is increased rapidly, the processing is difficult to carry out, and the valve body part in the forging process is heated by the temperature-controllable forging die, so that the hardness of the forged valve body part is not too high, the next step is convenient, and the problem of difficult processing is avoided;
s3, roughly machining the forged valve body component, and drilling and reaming the valve body component;
s4, after rough machining is finished, polishing the position to be welded through polishing equipment, cleaning a welding port, and welding the valve body component; if the edge of the welded junction is not polished completely, dust or debris can enter the welded junction in a doped mode in the welding process to affect the quality of the welded junction, the edge is polished completely through polishing equipment and cleaned, the dust and the debris are prevented from entering the welded junction, and the welding quality is guaranteed;
s5, performing finish machining on the welded valve body surface, continuing performing fine grinding on the welded valve body surface and the welded valve body inner wall through grinding equipment, and then cleaning and spraying paint; the surface and the inside of the valve body are finely ground, and are cleaned and painted, so that the valve body is more durable, and the attractiveness of the valve body is improved;
the polishing equipment in S4 and S5 comprises a polishing table, wherein the top of the polishing table is fixedly connected with two first cylinders which are symmetrically arranged; the end part of an output rod of the first cylinder is fixedly connected with a fixed end; the fixed end is connected to the top of the grinding table in a sliding mode; the top of the grinding table is fixedly connected with a fixing frame; the top of the fixed frame is fixedly connected with a second air cylinder; an output rod of the second cylinder penetrates through the fixed frame and is fixedly connected with the movable frame; the back of the movable frame is connected to the inner wall of the fixed frame in a sliding manner; the top of the inner wall of the moving frame is connected with a U-shaped plate in a sliding manner; the back of the U-shaped plate is connected with a third cylinder; the back surface of the third cylinder is fixedly connected to the rear side of the inner wall of the movable frame; the inner wall of the U-shaped plate is fixedly connected with a first motor; the output end of the first motor is fixedly connected with a fixed shaft; the bottom of the fixed shaft penetrates through the U-shaped plate and is fixedly connected with a first mounting disc; the bottom of the first mounting disc is fixedly connected with a first polishing brush; mounting grooves are formed in the top of the first mounting plate in an encircling mode at equal intervals; the inner wall of the mounting groove is connected with a supporting sliding plate in a sliding way; the end part of the supporting sliding plate is rotatably connected with an adjusting plate; the bottom of the adjusting plate is rotatably connected with a supporting shaft; the bottom of the supporting shaft is fixedly connected with a second mounting disc; a second polishing brush is sleeved on the surface of the second mounting plate; the top of the supporting shaft penetrates through the adjusting plate and is connected with a second motor; the top of the supporting sliding plate is fixedly connected with a supporting plate; the outer side of the supporting plate is rotatably connected with a fourth cylinder; the output end of the fourth air cylinder is rotatably connected to the top of the adjusting plate; the inner side of the supporting plate is connected with a push-pull device; when the valve blank component is forged by a valve carbon steel forging material, burrs exist on the valve blank component, the valve blank component needs to be polished and cleaned in time, the valve body component is not in a regular shape, the valve body component cannot be polished sufficiently during polishing, polishing blind areas can be caused, polishing quality is reduced, two first air cylinders are synchronously started through an external controller, the two first air cylinders synchronously push fixed ends, the valve body or the valve body component is clamped at the tops of two polishing tables to achieve the effect of fixing the valve body or the valve body component, the second air cylinder and a third air cylinder are started through an external controller, the heights and the front and back positions of a first polishing brush and a second polishing brush can be controlled respectively, the effect of conveniently finding the polishing position on the valve body component is achieved, polishing is facilitated, the second polishing brush is arranged around a first mounting plate, and the first motor and the second motor are started through the external controller, the first motor drives the whole of the first polishing brush and the second polishing brush to synchronously rotate through the fixed shaft to polish the valve body or the valve body component, so that the polishing area is larger, the second polishing brush can rotate under the drive of the second motor, the valve body or the valve body component can be integrally brushed by matching with the first polishing brush while automatically brushing, the polishing efficiency is improved, the valve body or the bent part or the hidden part of the valve body component can be polished by the smaller second polishing brush, and when the polishing angle is convenient, the valve body component with the bent angle cannot be polished, the fourth cylinder can be controlled by an external controller to pull the adjusting plate, so that the adjusting plate drives the second polishing brush to turn over, the effect of adjusting the polishing angle is achieved, the adjustment can be carried out according to the polishing requirement, the use of a user is facilitated, and the polishing blind area can be reduced, if when polishing the inner wall of valve body, can pass through push-and-pull device, promote or stimulate the backup pad, the backup pad drives in step and supports the slide and remove on mounting groove inner wall, it drives the interval that second brush and first brush produced the needs to support the slide, then adjust the brush angle of second brush, make the brush face of second brush towards inner wall one side, thereby make the both sides that the span of first brush and second brush of polishing can touch the valve body inner wall simultaneously, can find the angle of polishing of ideal on the one hand, the blind area of polishing has been reduced, on the other hand span is enough, can polish simultaneously all around to the valve body inner wall in step, the quality of polishing and the efficiency of polishing have been improved to the advantage in two aspects.
Preferably, the initial forging temperature of the valve carbon steel forging material is controlled to be 1200-1250 ℃, and the continuous heat preservation is carried out before the forging, so that the initial forging temperature of the valve carbon steel forging material is maintained; if the valve carbon steel forging material is not heated to the initial end temperature, the problems of overheating, overburning, decarburization and serious oxidation are caused when the temperature for starting forging is too high, the heating temperature can be well controlled by the temperature-controllable heating furnace, the problem that the normal forging is influenced because the temperature exceeds or is lower than the initial forging temperature when the valve carbon steel forging material is heated is avoided, and the valve body processing is facilitated.
Preferably, the welding is performed by using a low-carbon steel welding rod; the common cast iron contains about 3% of carbon, namely, a small welding current is adopted, the percentage of a base material in a first layer of welding line is 1/3-1/4, the average carbon content of the welding line is 0.7% -1.0%, the common cast iron belongs to high-carbon steel, the welding line of the high-carbon steel has a lot of brittle and hard martensite after being cooled quickly, the welding line can be damaged, the martensite can be reduced by adopting low-carbon steel for welding, the low-carbon welding rod can adopt an ultra-low-carbon Cr23Ni13 stainless steel welding rod with a titanium-calcium type coating, and because the carbon content is low, the common cast iron can resist intercrystalline corrosion caused by precipitation of carbide when stabilizers such as Nb, Ti and the like are not contained, is more stable, and the problem of damage of the welding line is avoided.
Preferably, the push-pull device comprises a connecting rod which is rotatably connected to the inner side of the supporting plate; one sides of the connecting rods, which are far away from the supporting plate, are jointly and rotatably connected with a fixing ring; the fixing ring is connected on the surface of the supporting shaft in a sliding mode; the top of the fixing ring is fixedly connected with two fifth cylinders; the tops of the two fifth cylinders are jointly and rotatably connected with a mounting ring; the mounting ring is fixedly connected to the surface of the supporting shaft; when the valve is in work, if the position of the second polishing brush is fixed, the polishing range and polishing span of the second polishing brush and the first polishing brush are fixed, when the internal space of the valve is polished, the polishing space and polishing span required by different valves are different, and the valve cannot be adjusted in time for polishing, other adaptive polishing equipment is required, on one hand, the efficiency is reduced, on the other hand, the processing cost is improved, the fifth cylinder is synchronously started by an external controller, the fifth cylinder can synchronously pull or push the fixing ring, the fixing ring synchronously pulls or pushes the support plate through the connecting rod, so that the support plate synchronously pulls or pushes the support sliding plate, the support sliding plate synchronously drives the second polishing brush to move, the distance between the second polishing brush and the first polishing brush is adjusted, and the effect of adjusting the whole polishing range and polishing span of the second polishing brush and the first polishing brush is achieved, can be suitable for different valves, also conveniently polish to the different spaces of polishing of valve, need not to change the equipment of polishing, improved the efficiency of polishing on the one hand, on the other hand has also reduced the cost of polishing.
Preferably, the surface of the second mounting plate is provided with two symmetrically arranged connecting grooves; the inner wall of the connecting groove is fixedly connected with a return spring; the end part of the return spring is fixedly connected with a connecting pin; the connecting pin is connected to the inner wall of the connecting groove in a sliding manner; a groove is formed in the inner wall of the second polishing brush at a position corresponding to the connecting pin; the end part of the connecting pin is connected to the inner wall of the groove in a sliding manner; the top of the connecting pin is fixedly connected with a poking plate; a connecting groove extends from the top end of the poking plate; when the valve is in operation, the second polishing brush head is small, the bristles are few, the angle of the second polishing brush can be adjusted, different positions of the valve can be polished, large polishing loss can be generated, more polishing brushes need to be replaced, if the replacement difficulty is large, great replacement difficulty can be caused for workers, the reset spring, the connecting pin and the stirring plate are arranged, the connecting pin can be kept connected with the groove under the elastic support of the reset spring, the second polishing brush can be detachably connected to the surface of the second mounting plate, the separation is avoided, the two stirring plates can be simultaneously stirred to move in opposite directions when the replacement is needed, the connecting pin is driven to compress the reset spring and simultaneously separate from the groove, the second polishing brush can be detached, when a new second polishing brush is installed, the second polishing brush is reset, then the stirring plates are loosened, under the reset force of the reset spring, the connecting pin can be inserted into the aligned groove, replacement is completed, tools such as a wrench are not needed, disassembly and assembly of workers are facilitated, and working difficulty of the workers is reduced.
Preferably, the tops of the two poking plates are fixedly connected with an elastic steel ring together; during operation, two are dialled the movable plate mutual independence, receiving vibrations and gravity under the effect, can produce great rocking, influence connecting pin and groove connection's stability, through dialling two movable plate tip and connect the elasticity steel loop jointly for produce elastic connection between two and dial the movable plate, can mutual elastic support each other, weaken the effort that vibrations power and self gravity produced in the course of the work, make the connection of connecting pin and recess more stable.
The invention has the following beneficial effects:
1. according to the valve body processing technology of the pressure regulating valve, the first mounting disc, the first polishing brush, the mounting groove, the supporting sliding plate, the adjusting plate, the supporting shaft, the second mounting disc, the second polishing brush, the second motor, the supporting plate, the fourth cylinder and the push-pull device are arranged, so that the first polishing brush and the second polishing brush can be simultaneously polished, the polishing area is larger, the second polishing brush can rotate under the driving of the second motor, the automatic brushing and the integral brushing can be carried out by matching with the first polishing brush, on one hand, an ideal polishing angle can be found, polishing blind areas are reduced, on the other hand, when the span is enough, the periphery of the inner wall of the valve body can be synchronously polished, equipment does not need to be replaced for processing, the polishing quality and the polishing efficiency are improved, and on the other hand, the processing cost is reduced.
2. According to the valve body processing technology of the pressure regulating valve, the connecting groove, the reset spring, the connecting pin, the groove and the poking plate are arranged, so that the second polishing brush can be replaced without tools such as a wrench, the disassembly and assembly of workers are facilitated, and the working difficulty of the workers is reduced.
Drawings
The invention will be further explained with reference to the drawings.
FIG. 1 is a flow chart of the process of the present invention;
FIG. 2 is a first perspective view of the grinding apparatus of the present invention;
FIG. 3 is an enlarged view of a portion A of FIG. 2;
FIG. 4 is a second perspective view of the grinding apparatus of the present invention;
FIG. 5 is a partially cut away perspective view of the connection of a first and second sanding brush of the present invention;
FIG. 6 is a partial enlarged view of portion B of FIG. 5;
in the figure: the grinding table comprises a grinding table 1, a first air cylinder 2, a fixed end 3, a fixed frame 4, a second air cylinder 5, a moving frame 6, a U-shaped plate 7, a third air cylinder 8, a first motor 9, a fixed shaft 10, a first mounting disc 11, a first grinding brush 12, a mounting groove 13, a supporting sliding plate 14, an adjusting plate 15, a supporting shaft 16, a second mounting disc 17, a second grinding brush 18, a second motor 19, a supporting plate 20, a fourth air cylinder 21, a push-pull device 22, a connecting rod 221, a fixed ring 222, a fifth air cylinder 223, a mounting ring 224, a connecting groove 23, a return spring 24, a connecting pin 25, a groove 26, a poking plate 27 and an elastic steel ring 28.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
As shown in fig. 1 to 6, the valve body processing process of the pressure regulating valve according to the present invention includes the following steps:
s1, placing the valve carbon steel forging stock which is well arranged according to the specification into a temperature-controllable heating furnace, and heating the valve carbon steel forging stock to the initial forging temperature; if the valve is directly forged without heating, the lattice distortion of the material can be caused, internal stress is generated, and even the material is cracked, the heating temperature can be well controlled by the temperature-controllable heating furnace, the problem that the normal forging is influenced because the heating temperature exceeds or is lower than the initial forging temperature when the valve carbon steel forging material is heated is solved, and the valve body processing is facilitated;
s2, supplying heat to the temperature-controllable forging die in advance, filling the valve carbon steel forging stock reaching the initial forging temperature into the temperature-controllable forging die for forging until the valve carbon steel forging stock is completely filled in a working gap of the die, continuously supplying heat, and keeping the final-stage temperature of the forging die; the finish forging temperature is too low, the work hardening of metal is serious, the deformation resistance is increased rapidly, the processing is difficult to carry out, and the valve body part in the forging process is heated by the temperature-controllable forging die, so that the hardness of the forged valve body part is not too high, the next step is convenient, and the problem of difficult processing is avoided;
s3, roughly machining the forged valve body component, and drilling and reaming the valve body component;
s4, after rough machining is finished, polishing the position to be welded through polishing equipment, cleaning a welding port, and welding the valve body component; if the edge of the welded junction is not polished completely, dust or debris can enter the welded junction in a doped mode in the welding process to affect the quality of the welded junction, the edge is polished completely through polishing equipment and cleaned, the dust and the debris are prevented from entering the welded junction, and the welding quality is guaranteed;
s5, performing finish machining on the welded valve body surface, continuing performing fine grinding on the welded valve body surface and the welded valve body inner wall through grinding equipment, and then cleaning and spraying paint; the surface and the inside of the valve body are finely ground, and are cleaned and painted, so that the valve body is more durable, and the attractiveness of the valve body is improved;
the polishing equipment in S4 and S5 comprises a polishing table 1, wherein two first cylinders 2 which are symmetrically arranged are fixedly connected to the top of the polishing table 1; the end part of the output rod of the first cylinder 2 is fixedly connected with a fixed end 3; the fixed end 3 is connected to the top of the grinding table 1 in a sliding manner; the top of the grinding table 1 is fixedly connected with a fixing frame 4; the top of the fixed frame 4 is fixedly connected with a second air cylinder 5; an output rod of the second air cylinder 5 penetrates through the fixed frame 4 and is fixedly connected with a movable frame 6; the back of the movable frame 6 is connected to the inner wall of the fixed frame 4 in a sliding manner; the top of the inner wall of the moving frame 6 is connected with a U-shaped plate 7 in a sliding manner; the back of the U-shaped plate 7 is connected with a third cylinder 8; the back surface of the third cylinder 8 is fixedly connected to the rear side of the inner wall of the movable frame 6; the inner wall of the U-shaped plate 7 is fixedly connected with a first motor 9; the output end of the first motor 9 is fixedly connected with a fixed shaft 10; the bottom of the fixed shaft 10 penetrates through the U-shaped plate 7 and is fixedly connected with a first mounting disc 11; the bottom of the first mounting plate 11 is fixedly connected with a first polishing brush 12; mounting grooves 13 are formed in the top of the first mounting plate 11 in an encircling mode at equal intervals; a supporting sliding plate 14 is connected to the inner wall of the mounting groove 13 in a sliding manner; an adjusting plate 15 is rotatably connected to the end of the supporting sliding plate 14; the bottom of the adjusting plate 15 is rotatably connected with a supporting shaft 16; the bottom of the supporting shaft 16 is fixedly connected with a second mounting plate 17; a second polishing brush 18 is sleeved on the surface of the second mounting plate 17; the top of the supporting shaft 16 passes through the adjusting plate 15 and is connected with a second motor 19; the top of the supporting sliding plate 14 is fixedly connected with a supporting plate 20; a fourth cylinder 21 is rotatably connected to the outer side of the support plate 20; the output end of the fourth air cylinder 21 is rotatably connected to the top of the adjusting plate 15; the inner side of the supporting plate 20 is connected with a push-pull device 22; when the valve blank component is forged by valve carbon steel forging materials, burrs exist on the valve blank component, the valve blank component needs to be polished and cleaned in time, the valve body component is not in a regular shape, the valve body component cannot be polished sufficiently when being polished, polishing blind areas can be caused, polishing quality is reduced, the two first air cylinders 2 are synchronously started through the external controller, the two first air cylinders 2 synchronously push the fixed ends 3 to clamp the valve body or the valve body component on the tops of the two polishing tables 1 to achieve the effect of fixing the valve body or the valve body component, the second air cylinder 5 and the third air cylinder 8 are started through the external controller, the heights and the front and rear positions of the first polishing brush 12 and the second polishing brush 18 can be respectively controlled, the polishing position on the valve body component is conveniently found, polishing is convenient, the second polishing brushes 18 are arranged around the first mounting plate 11, the first motor 9 and the second motor 19 are started by an external controller, the first motor 9 drives the whole of the first polishing brush 12 and the second polishing brush 18 to synchronously rotate through the fixed shaft 10 to polish the valve body or the valve body component, so that the polishing area is larger, the second polishing brush 18 can rotate under the driving of the second motor 19, the first polishing brush 12 can be matched for integral brushing while automatically brushing, the polishing efficiency is improved, the bending part or the hidden part of the valve body or the valve body component can be polished by the smaller second polishing brush 18, and when the valve body component with the bending angle cannot be polished when the polishing angle is convenient, the fourth cylinder 21 can be controlled by the external controller to pull the adjusting plate 15, so that the adjusting plate 15 drives the second polishing brush 18 to turn over, thereby achieving the effect of adjusting the polishing angle, can be adjusted according to the polishing requirements, is convenient for users to use, can reduce polishing blind areas, if the inner wall of the valve body is polished, the supporting plate 20 can be pushed or pulled by the push-pull device 22, the supporting plate 20 synchronously drives the supporting slide plate 14 to move on the inner wall of the mounting groove 13, the supporting slide plate 14 drives the second polishing brush 18 to generate a required distance with the first polishing brush 12, then, the brushing angle of the second polishing brush 18 is adjusted so that the brushing surface of the second polishing brush 18 faces the inner wall side, so that the spans of the first polishing brush 12 and the second polishing brush 18 can simultaneously touch the two sides of the inner wall of the valve body, on one hand, an ideal polishing angle can be found accurately, the polishing blind area is reduced, on the other hand, when the spans are enough, can polish in step all around to the valve body inner wall simultaneously, the advantage of two aspects has improved the quality of polishing and the efficiency of polishing.
As an implementation mode of the invention, the initial forging temperature of the valve carbon steel forging material is controlled to be 1200-; if the valve carbon steel forging material is not heated to the initial end temperature, the problems of overheating, overburning, decarburization and serious oxidation are caused when the temperature for starting forging is too high, the heating temperature can be well controlled by the temperature-controllable heating furnace, the problem that the normal forging is influenced because the temperature exceeds or is lower than the initial forging temperature when the valve carbon steel forging material is heated is avoided, and the valve body processing is facilitated.
As an embodiment of the invention, the welding is performed by using a low-carbon steel welding rod; the common cast iron contains about 3% of carbon, namely, a small welding current is adopted, the percentage of a base material in a first layer of welding line is 1/3-1/4, the average carbon content of the welding line is 0.7% -1.0%, the common cast iron belongs to high-carbon steel, the welding line of the high-carbon steel has a lot of brittle and hard martensite after being cooled quickly, the welding line can be damaged, the martensite can be reduced by adopting low-carbon steel for welding, the low-carbon welding rod can adopt an ultra-low-carbon Cr23Ni13 stainless steel welding rod with a titanium-calcium type coating, and because the carbon content is low, the common cast iron can resist intercrystalline corrosion caused by precipitation of carbide when stabilizers such as Nb, Ti and the like are not contained, is more stable, and the problem of damage of the welding line is avoided.
As an embodiment of the present invention, the push-pull device 22 includes a connection rod 221, the connection rod 221 is rotatably connected to the inner side of the support plate 20; the connecting rods 221 are connected with a fixing ring 222 in a co-rotating manner at the side far away from the support plate 20; the fixing ring 222 is slidably connected to the surface of the supporting shaft 16; the top of the fixing ring 222 is fixedly connected with two fifth cylinders 223; the tops of the two fifth cylinders 223 are connected with a mounting ring 224 in a co-rotating mode; the mounting ring 224 is fixedly attached to the surface of the support shaft 16; when the valve is in operation, if the position of the second polishing brush 18 is fixed, the polishing range and polishing span of the second polishing brush 18 and the first polishing brush 12 during polishing are fixed, when the internal space of the valve is polished, the polishing space and polishing span required by different valves are different, and polishing cannot be performed in time, and other adaptive polishing devices are required, so that on one hand, the efficiency is reduced, and on the other hand, the processing cost is improved, the fifth cylinder 223 is synchronously started by an external controller, the fifth cylinder 223 can synchronously pull or push the fixing ring 222, the fixing ring 222 synchronously pulls or pushes the support plate 20 through the connecting rod 221, so that the support plate 20 synchronously pulls or pushes the support sliding plate 14, the support sliding plate 14 synchronously drives the second polishing brush 18 to move, and the distance between the second polishing brush 18 and the first polishing brush 12 is adjusted, thereby achieving the effect of adjusting the overall polishing range and polishing span of the second polishing brush 18 and the first polishing brush 12, can be suitable for different valves, also conveniently polish to the different spaces of polishing of valve, need not to change the equipment of polishing, improved the efficiency of polishing on the one hand, on the other hand has also reduced the cost of polishing.
As an embodiment of the present invention, two symmetrically arranged connecting grooves 23 are opened on the surface of the second mounting plate 17; a return spring 24 is fixedly connected to the inner wall of the connecting groove 23; the end of the return spring 24 is fixedly connected with a connecting pin 25; the connecting pin 25 is connected to the inner wall of the connecting groove 23 in a sliding manner; a groove 26 is formed in the inner wall of the second polishing brush 18 corresponding to the connecting pin 25; the end of the connecting pin 25 is slidably connected to the inner wall of the groove 26; the top of the connecting pin 25 is fixedly connected with a toggle plate 27; the top end of the poking plate 27 extends out of the connecting groove 23; when the valve is in operation, because the brush head of the second polishing brush 18 is small and the number of bristles is small, because the angle of the second polishing brush 18 can be adjusted, different positions of the valve can be polished, large polishing loss can be generated, more replacement is needed, if the replacement difficulty is large, large replacement difficulty can be caused for workers, the connection between the connecting pin 25 and the groove 26 can be maintained under the elastic support of the return spring 24 by arranging the return spring 24, the connecting pin 25 and the poking plate 27, so that the second polishing brush 18 can be detachably connected on the surface of the second mounting plate 17 to avoid separation, and when the valve is required to be disassembled and assembled, the two poking plates 27 can be simultaneously poked to move oppositely to drive the connecting pin 25 to separate from the groove 26 while compressing the return spring 24, namely, the second polishing brush 18 can be disassembled, when a new second polishing brush 18 is installed, the second polishing brush 18 is reset, then, the toggle plate 27 is loosened, the connecting pin 25 can be inserted into the aligned groove 26 under the action of the reset force of the reset spring 24, the replacement is completed, tools such as a wrench and the like are not needed, the disassembly and assembly of workers are facilitated, and the working difficulty of the workers is reduced.
In one embodiment of the present invention, the top of the two toggle plates 27 are fixedly connected with an elastic steel ring 28; during operation, two stir board 27 mutual independence, receiving vibrations and gravity under the effect, can produce great rocking, influence the stability that connecting pin 25 and recess 26 are connected, through stirring two board 27 tip and connecting elasticity steel loop 28 jointly for produce elastic connection between two stir board 27, can mutual elastic support each other, weaken the effort that vibrations power and self gravity produced in the course of the work, make connecting pin 25 and recess 26 connect more stably.
The specific working process is as follows:
when the valve blank component is forged by valve carbon steel forging materials, burrs exist on the valve blank component, the valve blank component needs to be polished and cleaned in time, the valve body component is not in a regular shape, the valve body component cannot be polished sufficiently when being polished, polishing blind areas can be caused, polishing quality is reduced, the two first air cylinders 2 are synchronously started through the external controller, the two first air cylinders 2 synchronously push the fixed ends 3 to clamp the valve body or the valve body component on the tops of the two polishing tables 1 to achieve the effect of fixing the valve body or the valve body component, the second air cylinder 5 and the third air cylinder 8 are started through the external controller, the heights and the front and rear positions of the first polishing brush 12 and the second polishing brush 18 can be respectively controlled, the polishing position on the valve body component is conveniently found, polishing is convenient, the second polishing brushes 18 are arranged around the first mounting plate 11, the first motor 9 and the second motor 19 are started by an external controller, the first motor 9 drives the whole of the first polishing brush 12 and the second polishing brush 18 to synchronously rotate through the fixed shaft 10 to polish the valve body or the valve body component, so that the polishing area is larger, the second polishing brush 18 can rotate under the driving of the second motor 19, the first polishing brush 12 can be matched for integral brushing while automatically brushing, the polishing efficiency is improved, the bending part or the hidden part of the valve body or the valve body component can be polished by the smaller second polishing brush 18, and when the valve body component with the bending angle cannot be polished when the polishing angle is convenient, the fourth cylinder 21 can be controlled by the external controller to pull the adjusting plate 15, so that the adjusting plate 15 drives the second polishing brush 18 to turn over, thereby achieving the effect of adjusting the polishing angle, can be adjusted according to the polishing requirements, is convenient for users to use, can reduce polishing blind areas, if the inner wall of the valve body is polished, the supporting plate 20 can be pushed or pulled by the push-pull device 22, the supporting plate 20 synchronously drives the supporting slide plate 14 to move on the inner wall of the mounting groove 13, the supporting slide plate 14 drives the second polishing brush 18 to generate a required distance with the first polishing brush 12, then, the brushing angle of the second polishing brush 18 is adjusted so that the brushing surface of the second polishing brush 18 faces the inner wall side, so that the spans of the first polishing brush 12 and the second polishing brush 18 can simultaneously touch the two sides of the inner wall of the valve body, on one hand, an ideal polishing angle can be found accurately, the polishing blind area is reduced, on the other hand, when the spans are enough, can polish in step all around to the valve body inner wall simultaneously, the advantage of two aspects has improved the quality of polishing and the efficiency of polishing.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (6)

1. The processing technology for the valve body of the pressure regulating valve is characterized by comprising the following steps:
s1, placing the valve carbon steel forging stock which is well arranged according to the specification into a temperature-controllable heating furnace, and heating the valve carbon steel forging stock to the initial forging temperature;
s2, supplying heat to the temperature-controllable forging die in advance, filling the valve carbon steel forging stock reaching the initial forging temperature into the temperature-controllable forging die for forging until the valve carbon steel forging stock is completely filled in a working gap of the die, continuously supplying heat, and keeping the final-stage temperature of the forging die;
s3, roughly machining the forged valve body component, and drilling and reaming the valve body component;
s4, after rough machining is finished, polishing the position to be welded through polishing equipment, cleaning a welding port, and welding the valve body component;
s5, performing finish machining on the welded valve body surface, continuing performing fine grinding on the welded valve body surface and the welded valve body inner wall through grinding equipment, and then cleaning and spraying paint;
the polishing equipment in S4 and S5 comprises a polishing table (1), wherein the top of the polishing table (1) is fixedly connected with two first cylinders (2) which are symmetrically arranged; a fixed end (3) is fixedly connected to the end part of the output rod of the first cylinder (2); the fixed end (3) is connected to the top of the grinding table (1) in a sliding manner; the top of the grinding table (1) is fixedly connected with a fixed frame (4); the top of the fixed frame (4) is fixedly connected with a second air cylinder (5); an output rod of the second cylinder (5) penetrates through the fixed frame (4) and is fixedly connected with a movable frame (6); the back surface of the moving frame (6) is connected to the inner wall of the fixed frame (4) in a sliding manner; the top of the inner wall of the moving frame (6) is connected with a U-shaped plate (7) in a sliding way; the back of the U-shaped plate (7) is connected with a third cylinder (8); the back surface of the third cylinder (8) is fixedly connected to the rear side of the inner wall of the movable frame (6); a first motor (9) is fixedly connected to the inner wall of the U-shaped plate (7); the output end of the first motor (9) is fixedly connected with a fixed shaft (10); the bottom of the fixed shaft (10) penetrates through the U-shaped plate (7) and is fixedly connected with a first mounting disc (11); the bottom of the first mounting disc (11) is fixedly connected with a first polishing brush (12); mounting grooves (13) are formed in the top of the first mounting disc (11) in an encircling mode at equal intervals; a supporting sliding plate (14) is connected to the inner wall of the mounting groove (13) in a sliding manner; the end part of the supporting sliding plate (14) is rotatably connected with an adjusting plate (15); the bottom of the adjusting plate (15) is rotatably connected with a supporting shaft (16); the bottom of the supporting shaft (16) is fixedly connected with a second mounting plate (17); a second polishing brush (18) is sleeved on the surface of the second mounting plate (17); the top of the supporting shaft (16) penetrates through the adjusting plate (15) and is connected with a second motor (19); the top of the supporting sliding plate (14) is fixedly connected with a supporting plate (20); a fourth cylinder (21) is rotatably connected to the outer side of the support plate (20); the output end of the fourth air cylinder (21) is rotatably connected to the top of the adjusting plate (15); the inner side of the supporting plate (20) is connected with a push-pull device (22).
2. The process for machining the valve body of the pressure regulating valve according to claim 1, wherein: the initial forging temperature of the valve carbon steel forging material is controlled to be 1200-1250 ℃, and the continuous heat preservation is carried out before the forging, so that the initial forging temperature of the valve carbon steel forging material is maintained.
3. The process for machining the valve body of the pressure regulating valve according to claim 1, wherein: the welding is carried out by adopting a low-carbon steel welding rod.
4. The process for machining the valve body of the pressure regulating valve according to claim 1, wherein: the push-pull device (22) comprises a connecting rod (221), and the connecting rod (221) is rotatably connected to the inner side of the supporting plate (20); one sides of the connecting rods (221) far away from the supporting plate (20) are connected with a fixing ring (222) in a rotating mode; the fixing ring (222) is connected on the surface of the supporting shaft (16) in a sliding way; the top of the fixed ring (222) is fixedly connected with two fifth cylinders (223); the tops of the two fifth cylinders (223) are connected with a mounting ring (224) in a rotating mode; the mounting ring (224) is fixedly attached to the surface of the support shaft (16).
5. The process for machining the valve body of the pressure regulating valve according to claim 4, wherein: two symmetrically arranged connecting grooves (23) are formed in the surface of the second mounting disc (17); a return spring (24) is fixedly connected to the inner wall of the connecting groove (23); the end part of the return spring (24) is fixedly connected with a connecting pin (25); the connecting pin (25) is connected to the inner wall of the connecting groove (23) in a sliding manner; a groove (26) is formed in the inner wall of the second polishing brush (18) at a position corresponding to the connecting pin (25); the end part of the connecting pin (25) is connected on the inner wall of the groove (26) in a sliding way; the top of the connecting pin (25) is fixedly connected with a poking plate (27); the top end of the poking plate (27) extends out of the connecting groove (23).
6. The process for machining the valve body of the pressure regulating valve according to claim 5, wherein: the tops of the two poking plates (27) are fixedly connected with an elastic steel ring (28) together.
CN202010335462.4A 2020-04-24 2020-04-24 Valve body machining process of pressure regulating valve Active CN111571354B (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114986314A (en) * 2022-08-04 2022-09-02 扬州江峰机械制造有限公司 Water gap polishing equipment for cast rocker arm assembly

Citations (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3135071A (en) * 1959-06-05 1964-06-02 Etude Et Realisation D Omnis P Machine tools
JPH01321159A (en) * 1988-06-17 1989-12-27 Showa Electric Wire & Cable Co Ltd Device for removing pavement of rid frame of manhole
US20060194528A1 (en) * 2003-03-28 2006-08-31 Rawlins Philip J Rotary work tool with orbiting planetary gears containing eccentric axes for the attachment of polishing or sanding platens
CN101101083A (en) * 2007-07-10 2008-01-09 宁波市三浪润滑元件有限公司 Stepwise type distributor
CN104874984A (en) * 2015-06-02 2015-09-02 无锡阳工机械制造有限公司 Processing technique of reversing valve body
CN105921474A (en) * 2016-07-01 2016-09-07 北京旭海睿能源科技有限公司 Intelligent operation maintenance vehicle and cleaning method for solar cell panels
CN106217245A (en) * 2016-09-05 2016-12-14 安徽理工大学 The linear grinding-polishing bistrique of a kind of rolling
CN107520705A (en) * 2017-09-02 2017-12-29 安徽海拓志永智能装备股份有限公司 A kind of shaping workpiece burr removal device suitable for forcing press
CH713322B1 (en) * 2017-12-05 2018-06-29 Amotec Ag Fuer Montagetechnik Surface treatment device.
CN108326667A (en) * 2018-01-23 2018-07-27 泰州市润辉机械制造有限公司 A kind of automatic Gear burr remover
CN108857794A (en) * 2018-08-08 2018-11-23 哈尔滨岩鹏科技有限公司 A kind of high-end equipment manufacturing cold-rolled steel sheet polydisc burnishing device
CN109571171A (en) * 2018-12-19 2019-04-05 赣州市南康区万家源家具有限公司 Burnishing device
CN109571180A (en) * 2018-12-31 2019-04-05 张馨文 A kind of multi-angle plate grinding device
CN109822406A (en) * 2019-03-15 2019-05-31 陈宗益 A kind of annulus class workpiece outer wall quick processing device
CN209319530U (en) * 2019-01-26 2019-08-30 魏伟 A kind of automatic buffing equipment for mechanical workpieces processing
CN110216537A (en) * 2019-06-06 2019-09-10 中国科学院合肥物质科学研究院 The half adaptive grinding device of active
CN210010769U (en) * 2018-11-20 2020-02-04 西安科技成果转化工程有限公司 Automatic surface grinding machine for flange
CN110977707A (en) * 2020-01-05 2020-04-10 储小英 Automobile coating equipment
CN110977695A (en) * 2019-12-04 2020-04-10 北京轩宇智能科技有限公司 Combined posture self-adaptive polishing tool applied to blade polishing
CN210281705U (en) * 2019-08-14 2020-04-10 苏州百世隆机械制造有限公司 Deburring equipment for machining micro-motor stamping parts

Patent Citations (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3135071A (en) * 1959-06-05 1964-06-02 Etude Et Realisation D Omnis P Machine tools
JPH01321159A (en) * 1988-06-17 1989-12-27 Showa Electric Wire & Cable Co Ltd Device for removing pavement of rid frame of manhole
US20060194528A1 (en) * 2003-03-28 2006-08-31 Rawlins Philip J Rotary work tool with orbiting planetary gears containing eccentric axes for the attachment of polishing or sanding platens
CN101101083A (en) * 2007-07-10 2008-01-09 宁波市三浪润滑元件有限公司 Stepwise type distributor
CN104874984A (en) * 2015-06-02 2015-09-02 无锡阳工机械制造有限公司 Processing technique of reversing valve body
CN105921474A (en) * 2016-07-01 2016-09-07 北京旭海睿能源科技有限公司 Intelligent operation maintenance vehicle and cleaning method for solar cell panels
CN106217245A (en) * 2016-09-05 2016-12-14 安徽理工大学 The linear grinding-polishing bistrique of a kind of rolling
CN107520705A (en) * 2017-09-02 2017-12-29 安徽海拓志永智能装备股份有限公司 A kind of shaping workpiece burr removal device suitable for forcing press
CH713322B1 (en) * 2017-12-05 2018-06-29 Amotec Ag Fuer Montagetechnik Surface treatment device.
CN108326667A (en) * 2018-01-23 2018-07-27 泰州市润辉机械制造有限公司 A kind of automatic Gear burr remover
CN108857794A (en) * 2018-08-08 2018-11-23 哈尔滨岩鹏科技有限公司 A kind of high-end equipment manufacturing cold-rolled steel sheet polydisc burnishing device
CN210010769U (en) * 2018-11-20 2020-02-04 西安科技成果转化工程有限公司 Automatic surface grinding machine for flange
CN109571171A (en) * 2018-12-19 2019-04-05 赣州市南康区万家源家具有限公司 Burnishing device
CN109571180A (en) * 2018-12-31 2019-04-05 张馨文 A kind of multi-angle plate grinding device
CN209319530U (en) * 2019-01-26 2019-08-30 魏伟 A kind of automatic buffing equipment for mechanical workpieces processing
CN109822406A (en) * 2019-03-15 2019-05-31 陈宗益 A kind of annulus class workpiece outer wall quick processing device
CN110216537A (en) * 2019-06-06 2019-09-10 中国科学院合肥物质科学研究院 The half adaptive grinding device of active
CN210281705U (en) * 2019-08-14 2020-04-10 苏州百世隆机械制造有限公司 Deburring equipment for machining micro-motor stamping parts
CN110977695A (en) * 2019-12-04 2020-04-10 北京轩宇智能科技有限公司 Combined posture self-adaptive polishing tool applied to blade polishing
CN110977707A (en) * 2020-01-05 2020-04-10 储小英 Automobile coating equipment

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114986314A (en) * 2022-08-04 2022-09-02 扬州江峰机械制造有限公司 Water gap polishing equipment for cast rocker arm assembly

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