CN110376278B - Valve body detection method - Google Patents
Valve body detection method Download PDFInfo
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- CN110376278B CN110376278B CN201910767245.XA CN201910767245A CN110376278B CN 110376278 B CN110376278 B CN 110376278B CN 201910767245 A CN201910767245 A CN 201910767245A CN 110376278 B CN110376278 B CN 110376278B
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- 238000001514 detection method Methods 0.000 title claims abstract description 13
- 238000004140 cleaning Methods 0.000 claims abstract description 153
- 239000006247 magnetic powder Substances 0.000 claims abstract description 31
- 239000004519 grease Substances 0.000 claims abstract description 12
- 239000012535 impurity Substances 0.000 claims abstract description 12
- 230000007547 defect Effects 0.000 claims abstract description 5
- 238000005507 spraying Methods 0.000 claims abstract description 4
- 230000000670 limiting effect Effects 0.000 claims description 62
- 239000007788 liquid Substances 0.000 claims description 32
- 230000000694 effects Effects 0.000 claims description 17
- 238000000034 method Methods 0.000 claims description 11
- 238000007689 inspection Methods 0.000 claims description 6
- 238000009434 installation Methods 0.000 claims description 4
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N iron oxide Inorganic materials [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 claims description 3
- NDLPOXTZKUMGOV-UHFFFAOYSA-N oxo(oxoferriooxy)iron hydrate Chemical compound O.O=[Fe]O[Fe]=O NDLPOXTZKUMGOV-UHFFFAOYSA-N 0.000 claims description 3
- 239000000843 powder Substances 0.000 claims description 3
- 238000004064 recycling Methods 0.000 claims description 3
- 239000007787 solid Substances 0.000 description 7
- 230000005540 biological transmission Effects 0.000 description 6
- 230000000149 penetrating effect Effects 0.000 description 5
- 230000001276 controlling effect Effects 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 239000006249 magnetic particle Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 238000011084 recovery Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- B08B1/32—
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
- B08B3/04—Cleaning involving contact with liquid
- B08B3/10—Cleaning involving contact with liquid with additional treatment of the liquid or of the object being cleaned, e.g. by heat, by electricity or by vibration
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
- G01M13/003—Machine valves
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
- G01N27/72—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables
- G01N27/82—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables for investigating the presence of flaws
- G01N27/83—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables for investigating the presence of flaws by investigating stray magnetic fields
- G01N27/84—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables for investigating the presence of flaws by investigating stray magnetic fields by applying magnetic powder or magnetic ink
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- General Physics & Mathematics (AREA)
- Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Biochemistry (AREA)
- Immunology (AREA)
- Electrochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Pathology (AREA)
- Cleaning In General (AREA)
- Details Of Valves (AREA)
Abstract
The invention discloses a valve body detection method, which comprises the following steps: a. pre-cleaning: putting the produced valve body into a cleaning device, cleaning the surface of the valve body, and removing grease and other impurities on the surface of the valve body; b. flaw detection of the valve body: placing the valve body in a strong magnetic field, spraying magnetic powder on the valve body, and observing whether the magnetic powder is piled up on the surface of the valve body or not so as to determine whether the surface of the valve body has defects or not; c. demagnetizing: placing the parts in a direct current magnetic field, continuously changing the current direction and gradually reducing the current to a zero value; d. post-cleaning: placing the valve body into a cleaning tank, and removing residual magnetic powder on the valve body; the surface of the valve body is cleaned through the movement and rotation of the lantern ring, so that the brush hair can be contacted with each position on the valve body, and cleaning dead angles are avoided.
Description
Technical Field
The invention belongs to the technical field of valve manufacturing, and particularly relates to a valve body detection method.
Background
The valve is a pipeline accessory for opening and closing a pipeline, controlling the flow direction, adjusting and controlling parameters (temperature, pressure and flow rate) of a conveying medium. Depending on their function, they can be classified into shutoff valves, check valves, regulating valves, etc.
The valve generally comprises valve body, case, hand wheel and threaded rod etc. and the valve body needs to detect it after the manufacturing, and the magnetic particle inspection is one of them detection method commonly used, need wash the valve body surface before the magnetic particle inspection to get rid of the grease on valve body surface, avoid the influence of grease to the magnetic powder, current when wasing the valve body, because the valve body is T type structure, inconvenient washing to the valve body can only wash the valve body through the impact of rivers and valve body, and the cleaning performance is not good, can' T effectively get rid of the impurity on valve body surface.
Disclosure of Invention
The invention provides a valve body detection method for overcoming the defects in the prior art.
In order to achieve the above purpose, the present invention adopts the following technical scheme: a valve body detection method comprising:
a. pre-cleaning: putting the produced valve body into a cleaning device, cleaning the surface of the valve body, and removing grease and other impurities on the surface of the valve body;
b. flaw detection of the valve body: placing the valve body in a strong magnetic field, spraying magnetic powder on the valve body, and observing whether the magnetic powder is piled up on the surface of the valve body or not so as to determine whether the surface of the valve body has defects or not;
c. demagnetizing: placing the parts in a direct current magnetic field, continuously changing the current direction and gradually reducing the current to a zero value;
d. post-cleaning: placing the valve body into a cleaning tank, and removing residual magnetic powder on the valve body;
the cleaning device in the step a comprises a cleaning box, a fixing component arranged in the cleaning box and a cleaning component arranged in the cleaning box, wherein an installation block is arranged on the inner wall of the cleaning box, a first movable groove is formed in the installation block, a first movable block is arranged in the first movable groove, a first cylinder matched with the first movable block is arranged on the side wall of the cleaning box, the cleaning component comprises a first connecting rod arranged on the first movable block, a lantern ring rotatably arranged on the first connecting rod and a first driving motor arranged on the first connecting rod, the first driving motor can drive the lantern ring to rotate, a plurality of bristles are arranged on the inner wall of the lantern ring, and the fixing component can drive the valve body to rotate; after the valve body is produced, the valve body is placed into a cleaning box, a fixing component is matched with the valve body, the valve body is fixed in the cleaning box, the valve body enters cleaning liquid, a first air cylinder drives a first movable block to move along the inner wall of a first movable groove to drive a lantern ring to move towards the middle of the cleaning box, a first driving motor drives the lantern ring to rotate, the lantern ring is enabled to rotate in the moving process, the lantern ring is sleeved on the valve body along with the movement of the lantern ring, bristles are contacted with the side wall of the valve body to clean the side wall of the valve body, grease on the side wall of the valve body is removed, after the first movable block is moved to one end of the first movable groove, the first air cylinder drives the first movable block to move backwards, the lantern ring is enabled to be separated from the valve body, the fixing component drives the valve body to rotate, the valve body rotates in the cleaning liquid, the impact effect of the cleaning liquid on the valve body is increased, residual dirt on the valve body is removed, and the cleaning operation of the valve body is completed.
The valve body is fixed through the fixing component, so that the valve body is stably arranged in the cleaning box, the valve body is conveniently cleaned, collision with the inner wall of the cleaning box during valve body cleaning is avoided, and the valve body and the cleaning box are protected; when the valve body enters the cleaning box, the lantern ring is driven to move towards the valve body under the action of the first cylinder, the lantern ring is sleeved on the valve body, so that the bristles are fully contacted with the surface of the valve body, grease impurities on the surface of the valve body are removed, and the cleaning effect of the valve body is improved; the surface of the valve body is cleaned through the movement and rotation of the lantern ring, so that the brush hair can be contacted with each position on the valve body, and the cleaning dead angle is avoided; under the arrangement of the brush hair, the lantern ring can be directly sleeved on the valve body, the end part of the valve body is prevented from obstructing the lantern ring, and meanwhile, the cleaning effect of the lantern ring on the valve body is not influenced; after the lantern ring is separated from the valve body, the valve body is driven to rotate under the action of the fixing component, the valve body stirs the cleaning liquid, so that the cleaning liquid and the valve body generate impact, impurities brushed on the valve body are washed away, the impurities are prevented from remaining on the valve body, and the cleaning effect on the valve body is further improved.
The magnetic powder in the step b is magnetic ferric oxide powder.
And b, the magnetic powder in the step is directly sprinkled on the detected area, excessive magnetic powder is removed, and the valve body is vibrated to uniformly distribute the magnetic powder.
The demagnetizing in the step c can also be performed by placing the valve body on a demagnetizing machine.
And d, collecting the magnetic powder obtained by cleaning, and recycling the magnetic powder.
The first connecting rod is provided with a second movable groove, the lantern ring is arranged in the second movable groove, the side walls of the two sides of the first connecting block are respectively provided with a first connecting block, the first connecting block is provided with a first movable cavity, the first movable cavity is internally provided with a first connecting spring, one end of the first connecting spring is provided with a first limiting block, the first limiting block is arranged at the port of the second movable groove, the side wall of the first movable cavity is provided with a through hole, a first push rod is arranged in the through hole in a penetrating manner, the first push rod is arranged in the first movable cavity in a penetrating manner, and the first push rod is provided with a supporting block; the first movable cavity is internally provided with a first mounting plate, the first mounting plate is provided with a rotating wheel, the rotating wheel is provided with a ring groove, the first limiting block is provided with a connecting rope, the connecting rope is wound on the ring groove, and the other end of the connecting rope is fixedly connected to one end of the first push rod; when the lantern ring is installed, the first push rod is pushed out of the first movable cavity, the supporting block is moved out of the first movable cavity, the first push rod moves to drive the connecting rope to move, the connecting rope pulls the first limiting block to move into the first movable cavity, after the first limiting block enters the first movable cavity, the lantern ring is inserted into the second movable groove, the lantern ring is installed into the second movable groove, after the lantern ring is aligned with the second movable groove, the first push rod is pushed into the first movable cavity, the connecting rope does not pull the first limiting block any more, the first connecting spring pushes the first limiting block to move towards the outer side of the first movable cavity, the first limiting block enters the second movable groove to fix the lantern ring, and the supporting block enters the first movable cavity to provide supporting force for the first limiting block; the position of the first limiting block is controlled through the first push rod, so that the first limiting block enters the first movable cavity according to the requirement, the lantern ring can be conveniently detached from the first connecting rod, bristles on the inner wall of the lantern ring are cleaned, and the cleaning effect of the bristles on the valve body is ensured; the first limiting block is driven to move together by the movement of the first push rod through the cooperation of the rotating wheel and the connecting rope, so that the first limiting block is more convenient to control, the difficulty in dismounting the lantern ring is reduced, and the lantern ring can be replaced conveniently; the supporting force is provided for the first limiting block under the action of the supporting block, the first limiting block is pushed to enter the first movable cavity when the lantern ring is prevented from rotating, the limiting effect of the first limiting block on the lantern ring is guaranteed, and therefore the matching effect of the lantern ring and the first connecting rod is improved, and the valve body is cleaned conveniently.
The top of the cleaning box is provided with a connecting plate, the inner wall of the cleaning box is provided with a first sliding groove, and the fixing component comprises a first sliding block arranged in the first sliding groove, a second air cylinder arranged at the bottom of the first sliding groove, a second connecting rod arranged on the first sliding block and a fixing ring arranged on the second connecting rod; the fixed ring is provided with a second movable cavity, a first push plate is arranged in the second movable cavity, a third connecting rod is arranged on the first push plate, a fixed plate is arranged on the third connecting rod, the fixed ring is provided with a fan, and the fan is communicated with the second movable cavity; after the valve body is produced, the valve body is conveyed to the upper part of the cleaning box through a mechanical arm, the piston rod is driven to move downwards by the second air cylinder, the first sliding block drives the fixing ring to move downwards, the fixing ring is sleeved on the top of the valve body, the fan blows air flow into the second movable cavity, the pressure intensity in the second movable cavity is increased, the air flow pushes the first push plate to move towards the outer side of the second movable cavity, the fixing plate is close to the position of the valve body under the action of the first push plate, the fixing plate is in contact with the side wall of the valve body, the valve body is driven to move downwards through the fixing plate, the first sliding block drives the valve body to move downwards together, the valve body is immersed into cleaning liquid, and the valve body is cleaned; when the valve body is cleaned, the second cylinder drives the piston rod to extend out, so that the piston rod pushes the first sliding block to move upwards, the first sliding block drives the valve body to move upwards together, and the cleaned valve body is taken out of the cleaning box so as to be sent into a next procedure; the second cylinder controls the position of the first sliding block in the first sliding groove, so that the first sliding block moves up and down in the first sliding groove as required, and the second cylinder pushes the first sliding block to move upwards after the valve body is cleaned, so that the valve body can be directly pushed out of the cleaning box, and the valve body is pushed out of the cleaning liquid, so that the cleaned valve body is collected, and the valve body collection difficulty is reduced; through mutually supporting of solid fixed ring and fixed plate, make solid fixed ring be suitable for the valve body of more various different diameters, promote belt cleaning device's application scope, make solid fixed ring be fixed the valve body after directly embolia the valve body on, simplify the operation rule of fixed valve body, make the valve body fix more convenient.
The invention has the following advantages: when the valve body enters the cleaning box, the lantern ring is driven to move towards the valve body under the action of the first cylinder, the lantern ring is sleeved on the valve body, so that the bristles are fully contacted with the surface of the valve body, grease impurities on the surface of the valve body are removed, and the cleaning effect of the valve body is improved; the surface of the valve body is cleaned through the movement and rotation of the lantern ring, so that the brush hair can be contacted with each position on the valve body, and cleaning dead angles are avoided.
Drawings
Fig. 1 is a schematic structural view of a cleaning device according to the present invention.
Fig. 2 is a schematic cross-sectional view of the cleaning device of the present invention.
Fig. 3 is an enlarged view at a in fig. 2.
Fig. 4 is an enlarged view at B in fig. 2.
Fig. 5 is a schematic cross-sectional view of a cleaning apparatus according to the present invention.
Fig. 6 is an enlarged view at C in fig. 5.
Fig. 7 is a schematic cross-sectional view of a cleaning apparatus according to the present invention.
Fig. 8 is an enlarged view of D in fig. 7.
Fig. 9 is a schematic cross-sectional view of a cleaning apparatus according to the present invention.
Fig. 10 is an enlarged view at E in fig. 9.
Fig. 11 is a schematic cross-sectional view of a cleaning apparatus according to the present invention.
Fig. 12 is an enlarged view at F in fig. 11.
Fig. 13 is a schematic cross-sectional view of a cleaning apparatus according to the present invention.
Fig. 14 is an enlarged view at G in fig. 13.
Fig. 15 is a schematic cross-sectional view of a cleaning apparatus according to the present invention.
Fig. 16 is an enlarged view at H in fig. 15.
Fig. 17 is a schematic view of the structure of the valve body of the present invention.
Detailed Description
A valve body detection method comprising: a. pre-cleaning: putting the produced valve body into a cleaning device, cleaning the surface of the valve body, and removing grease and other impurities on the surface of the valve body; b. flaw detection of the valve body: placing the valve body in a strong magnetic field, spraying magnetic powder on the valve body, and observing whether the magnetic powder is piled up on the surface of the valve body or not so as to determine whether the surface of the valve body has defects or not; c. demagnetizing: placing the parts in a direct current magnetic field, continuously changing the current direction and gradually reducing the current to a zero value; d. post-cleaning: placing the valve body into a cleaning tank, and removing residual magnetic powder on the valve body; the magnetic powder in the step b is magnetic ferric oxide powder; the magnetic powder in the step b is directly sprinkled on the detected area, excessive magnetic powder is removed, and the valve body is vibrated to enable the magnetic powder to be uniformly distributed; the demagnetizing in the step c can also be carried out by placing the valve body on a demagnetizing machine; and d, collecting the magnetic powder obtained by cleaning, and recycling the magnetic powder.
As shown in fig. 1-17, the cleaning device in the step a includes a cleaning box 1, a fixing component disposed in the cleaning box 1, and a cleaning component disposed in the cleaning box 1, wherein four mounting blocks 14 are disposed on an inner wall of the cleaning box 1, and symmetrically disposed on the inner wall of the cleaning box, a first movable groove is disposed on the mounting blocks 14, a first movable block 3 is disposed in the first movable groove, a first cylinder 12 matched with the first movable block 3 is disposed on a side wall of the cleaning box 1, the cleaning component includes a first connecting rod 33 disposed on the first movable block 3, a collar 32 rotatably disposed on the first connecting rod 33, and a first driving motor disposed on the first connecting rod 33, the first driving motor can drive the collar 32 to rotate, a plurality of bristles are disposed on an inner wall of the collar 32, and the first connecting rods on two opposite mounting blocks fix the collar, i.e., the collar is disposed on two sides of the cleaning box respectively; the fixed component can drive the valve body 4 to rotate; after the valve body is produced, the valve body is placed into the cleaning box 1, the fixing component is matched with the valve body, the valve body is fixed in the cleaning box 1, the valve body is enabled to enter cleaning liquid, the first air cylinder 12 drives the first movable block 3 to move along the inner wall of the first movable groove, the collar 32 is driven to move towards the middle of the cleaning box 1, the first driving motor drives the collar 32 to rotate, the collar 32 is enabled to rotate in the moving process, the collar is sleeved on the valve body along with the movement of the collar 32, bristles are contacted with the side wall of the valve body, the side wall of the valve body is cleaned, grease on the side wall of the valve body is removed, after the first movable block 3 is moved to one end of the first movable groove, the first air cylinder drives the first movable block 3 to move backwards, the collar 32 is enabled to be separated from the valve body, the fixing component drives the valve body to rotate in the cleaning liquid, the impact effect of the cleaning liquid on the valve body is increased, residual dirt on the valve body is removed, and the cleaning operation on the valve body is completed.
The valve body is fixed through the fixing component, so that the valve body is stably arranged in the cleaning box, the valve body is conveniently cleaned, collision with the inner wall of the cleaning box during valve body cleaning is avoided, and the valve body and the cleaning box are protected; when the valve body enters the cleaning box, the lantern ring is driven to move towards the valve body under the action of the first cylinder, the lantern ring is sleeved on the valve body, so that the bristles are fully contacted with the surface of the valve body, grease impurities on the surface of the valve body are removed, and the cleaning effect of the valve body is improved; the surface of the valve body is cleaned through the movement and rotation of the lantern ring, so that the brush hair can be contacted with each position on the valve body, and the cleaning dead angle is avoided; under the arrangement of the brush hair, the lantern ring can be directly sleeved on the valve body, the end part of the valve body is prevented from obstructing the lantern ring, and meanwhile, the cleaning effect of the lantern ring on the valve body is not influenced; after the lantern ring is separated from the valve body, the valve body is driven to rotate under the action of the fixing component, the valve body stirs the cleaning liquid, so that the cleaning liquid and the valve body generate impact, impurities brushed on the valve body are washed away, the impurities are prevented from remaining on the valve body, and the cleaning effect on the valve body is further improved.
The first connecting rod 33 is provided with a second movable groove, the lantern ring 32 is arranged in the second movable groove, the side walls of the two sides of the first connecting block 3 are respectively provided with a first connecting block 34, the first connecting block 34 is provided with a first movable cavity, the first movable cavity is internally provided with a first connecting spring 351, one end of the first connecting spring 351 is provided with a first limiting block 35, the first limiting block 35 is arranged at the port of the second movable groove, the side wall of the first movable cavity is provided with a through hole, a first push rod 36 is arranged in the through hole in a penetrating manner, the first push rod 36 is arranged in the first movable cavity in a penetrating manner, and the first push rod 36 is provided with a supporting block 361; a first mounting plate 341 is arranged in the first movable cavity, a rotating wheel 342 is arranged on the first mounting plate 341, a ring groove is arranged on the rotating wheel 342, a connecting rope is arranged on the first limiting block 35, the connecting rope is wound on the ring groove, and the other end of the connecting rope is fixedly connected to one end of the first push rod 36; when the lantern ring 32 is installed, the first push rod 36 is pushed out of the first movable cavity, the supporting block 361 is moved out of the first movable cavity, the first push rod 36 moves to drive the connecting rope to move, the connecting rope pulls the first limiting block 35 to move towards the first movable cavity, after the first limiting block 35 enters the first movable cavity, the lantern ring 32 is inserted into the second movable groove, the lantern ring 32 is installed into the second movable groove, after the lantern ring 32 is aligned with the second movable groove, the first push rod 36 is pushed towards the first movable cavity, the connecting rope does not pull the first limiting block 35 any more, the first connecting spring 351 pushes the first limiting block 35 to move towards the outer side of the first movable cavity, the first limiting block 35 enters the second movable groove to fix the lantern ring 32, and the supporting block 361 enters the first movable cavity to provide supporting force for the first limiting block 35; the position of the first limiting block is controlled through the first push rod, so that the first limiting block enters the first movable cavity according to the requirement, the lantern ring can be conveniently detached from the first connecting rod, bristles on the inner wall of the lantern ring are cleaned, and the cleaning effect of the bristles on the valve body is ensured; the first limiting block is driven to move together by the movement of the first push rod through the cooperation of the rotating wheel and the connecting rope, so that the first limiting block is more convenient to control, the difficulty in dismounting the lantern ring is reduced, and the lantern ring can be replaced conveniently; the supporting force is provided for the first limiting block under the action of the supporting block, the first limiting block is pushed to enter the first movable cavity when the lantern ring is prevented from rotating, the limiting effect of the first limiting block on the lantern ring is guaranteed, and therefore the matching effect of the lantern ring and the first connecting rod is improved, and the valve body is cleaned conveniently.
The first connecting rod is provided with a third movable cavity, first push rods positioned at two sides of the first connecting rod are connected through a fourth connecting rod, the fourth connecting rod penetrates through the third movable cavity, the top of the third movable cavity is provided with a third movable groove, the top of the fourth connecting rod is provided with a push block 362, the push block penetrates through the third movable groove, one end of the fourth connecting rod is provided with a supporting spring 363, and the other end of the supporting spring is contacted with the inner wall of the third movable cavity; the first push rod is conveniently driven to move under the action of the push block, when the lantern ring on the first connecting rod is detached, the push block is pushed along the third movable groove, the push block drives the fourth connecting rod to move, the fourth connecting rod pulls the first push rod to be separated from the first movable cavity, and the first limiting block is pulled into the first movable cavity under the action of the connecting rope so as to detach the lantern ring from the second movable groove.
The first connecting rod is provided with an equipment cavity, one side of the equipment cavity is provided with a first transmission cavity, the first transmission cavity is communicated with the second movable groove, the first driving motor is arranged in the equipment cavity, the output shaft of the first driving motor is provided with a first driving wheel matched with the lantern ring, and under the arrangement of the first driving wheel, the lantern ring is in transmission fit with the first driving motor after being shifted into the second groove, so that the lantern ring is driven to rotate under the action of the first driving motor, the brush hair is enabled to be better contacted with the valve body, and the cleaning effect on the valve body is improved.
The two sides of the third movable groove are provided with second connecting blocks 37, the second connecting blocks are provided with fourth movable grooves, movable plates 38 are rotatably connected in the fourth movable grooves, second limiting blocks 381 are arranged on the movable plates, one side of each second limiting block is provided with a cambered surface, and limit springs 371 are arranged in the fourth movable grooves and are arranged on one side of each second limiting block; a fifth movable groove is arranged at the top of the fourth movable groove, a second push rod 39 is arranged in the fifth movable groove in a penetrating way, the second push rods on the second connecting blocks at the two sides of the third movable groove are connected together through a fifth connecting rod, a first reset spring is arranged on the inner wall of the fifth movable groove, and one end of the first reset spring is contacted with the side wall of the second push rod; when the lantern ring is replaced, the push block is pushed along the third movable groove, so that the push block drives the first push rod to move, the first push rod is separated from the first movable cavity, the limiting block is pulled to enter the first movable cavity, the push block moves to the position of the second limiting block, the push block contacts with the cambered surface on the side wall of the second limiting block, the push block pushes the second limiting block to move into the fourth movable groove, the movable plate extrudes the supporting spring, the second limiting block enters the fourth movable groove, the push block moves to the other side of the second limiting block, the supporting spring pushes the movable plate to rotate around the connecting point, the second limiting block extends out of the fourth movable groove, the second limiting block contacts with the side wall of the push block, the second limiting block limits the push block, the first limiting block is kept in the state of the first movable cavity, and the lantern ring is convenient to replace; after the lantern ring is replaced, pushing a second push rod along a fifth movable groove, wherein the second push rod contacts with the movable plate when moving, so that the second push rod pushes the movable plate to rotate around a connecting point, a second limiting block enters into a fourth movable groove, a supporting spring pushes a fourth connecting rod to move forward, so that the fourth connecting rod pushes a first push rod to move forward, the first push rod enters into a first movable cavity, the first limiting block extends out of the first movable cavity, limiting effect is exerted on the lantern ring, and the lantern ring is prevented from falling out of the first connecting rod; the second push rod returns to the original position under the action of the first return spring, and the second limiting block stretches out of the fourth movable groove under the action of the limiting spring, so that all parts are restored to the normal working state.
The side wall of the first movable block is provided with a second reset spring 31, one end of the second reset spring is in contact with the inner wall of the first movable groove, when the first cylinder pushes the first movable block to move in the first movable groove, the second reset spring is stressed to shrink, and when the first cylinder drives the piston rod to move backwards, the second reset spring pushes the first movable block to move backwards in the first movable groove, so that the lantern ring is separated from the valve body, and the valve body is taken out from the cleaning box.
The top of the cleaning box 1 is provided with a connecting plate, a first sliding groove is formed in the inner wall of the cleaning box 1, and the fixing assembly comprises a first sliding block 2 arranged in the first sliding groove, a second air cylinder arranged at the bottom of the first sliding groove, a second connecting rod 22 arranged on the first sliding block 2 and a fixing ring 25 arranged on the second connecting rod 22; the fixed ring 25 is provided with a second movable cavity, a first push plate is arranged in the second movable cavity, a third connecting rod is arranged on the first push plate, a fixed plate 28 is arranged on the third connecting rod, the fixed ring 26 is provided with a fan, and the fan is communicated with the second movable cavity; after the valve body is produced, the valve body is conveyed to the upper part of the cleaning box 1 through a mechanical arm, a piston rod is driven to move downwards by a second air cylinder, a first sliding block 2 drives a fixed ring 25 to move downwards, the fixed ring 25 is sleeved on the top of the valve body, an air blower blows air flow into a second movable cavity, the pressure intensity in the second movable cavity is increased, so that the air flow pushes a first push plate to move to the outer side of the second movable cavity, a fixed plate 28 is close to the position of the valve body under the action of the first push plate, the fixed plate 28 is in contact with the side wall of the valve body, the valve body is continuously moved downwards through the fixed plate 28, the valve body is driven to move downwards together, the valve body is immersed into cleaning liquid, and the valve body is cleaned; when the valve body is cleaned, the second cylinder drives the piston rod to extend out, so that the piston rod pushes the first sliding block 2 to move upwards, the first sliding block 2 drives the valve body to move upwards together, and the cleaned valve body is taken out of the cleaning box 1 so as to be sent into a next procedure; the second cylinder controls the position of the first sliding block in the first sliding groove, so that the first sliding block moves up and down in the first sliding groove as required, and the second cylinder pushes the first sliding block to move upwards after the valve body is cleaned, so that the valve body can be directly pushed out of the cleaning box, and the valve body is pushed out of the cleaning liquid, so that the cleaned valve body is collected, and the valve body collection difficulty is reduced; through mutually supporting of solid fixed ring and fixed plate, make solid fixed ring be suitable for the valve body of more various different diameters, promote belt cleaning device's application scope, make solid fixed ring be fixed the valve body after directly embolia the valve body on, simplify the operation rule of fixed valve body, make the valve body fix more convenient.
The first sliding block is provided with a fourth movable cavity, the second connecting rod is rotatably arranged in the fourth movable cavity, the bottom of the fourth movable cavity is provided with a supporting rod 21, the bottom of the second connecting rod is provided with a sixth connecting rod, the sixth connecting rod is provided with a guide rail, the sixth connecting rod is provided with a second push plate 23 matched with the guide rail, the bottom of the second push plate is provided with an arc surface, one end of the sixth connecting rod is provided with a first supporting plate, one end of the second push plate is provided with a second connecting spring 24, and the other end of the second connecting spring is fixedly connected to the first supporting plate; the first sliding chute extends to the connecting plate, an opening is formed in the side wall of the top of the first sliding chute, a second mounting plate 11 is arranged above the opening, a third air cylinder 111 is arranged on the second mounting plate, and a piston rod of the third air cylinder penetrates through the second mounting plate; when the valve body is not placed in the cleaning box, the second air cylinder pushes the first sliding block to move to the top end of the first sliding groove, the first sliding block moves to one side of the opening, the second push plate moves forwards along the guide rail under the action of the second connecting spring to enable the second push plate to extend out of the opening, the third air cylinder drives the piston rod to extend out, the piston rod of the third air cylinder is enabled to be in contact with the second push plate, the third air cylinder pushes the second push plate to move downwards, and accordingly the second connecting rod is driven to rotate around the connecting rod, the other end of the second connecting rod moves upwards, and the phenomenon that the second connecting rod blocks the valve body; when the valve body is sent to the upper part of the cleaning box under the action of the mechanical arm, the third cylinder drives the piston rod to shrink, the second connecting rod moves downwards under the action of gravity, the fixing ring is sleeved on the valve body, the supporting rod provides supporting force for the second connecting rod after the second connecting rod is overturned to be in a horizontal state, the fan blows air flow into the second movable cavity, and the valve body is fixed in the fixing ring; after the valve body is fixed by the fixed plate, the first sliding block is driven by the second air cylinder to move downwards, so that the first sliding block drives the valve body to enter the cleaning box, the bottom of the second push plate is contacted with the inner wall of the opening, the second push plate is enabled to move along the guide rail under the action of the cambered surface, the second push plate is enabled to move to the bottom of the second connecting rod, and the second push plate is prevented from obstructing the movement of the first sliding block.
The other side of the cleaning box is provided with a second sliding groove, the first sliding groove and the second sliding groove are oppositely arranged, two second air cylinders are arranged, the other second air cylinder is arranged at the bottom of the second sliding groove, a second sliding block is arranged in the second sliding groove, the first sliding block structure is identical to the second sliding groove structure, and a second supporting plate 27 is rotatably connected to the second sliding block; when the valve body is carried to the upper part of the cleaning box, the second supporting plate is turned downwards before the second connecting rod, and when the second supporting plate is turned to a horizontal state, the second connecting rod is turned downwards again, so that the second supporting plate is arranged at the bottom of the fixing ring, supporting force is provided for the fixing ring, and the fixing effect of the fixing ring on the valve body is improved.
The second connecting rod is provided with a second driving motor 26, a sixth movable groove is arranged on the second connecting rod, a fixed ring is arranged in the sixth movable groove, one side of the sixth movable groove is provided with a second transmission cavity, the second transmission cavity is communicated with the sixth movable groove, an output shaft of the second driving motor penetrates through the second transmission cavity, and a second driving wheel 261 matched with the fixed ring is arranged on the output shaft of the second driving motor; after the collar is not punched to clean the valve body, the collar is separated from the valve body, and the second driving motor drives the second driving wheel to rotate, so that the second driving wheel drives the fixed ring to rotate, and the fixed ring drives the valve body to rotate in the cleaning liquid, so that stains on the surface of the valve body are flushed; then the second driving motor stops working, the second cylinder drives the first sliding block and the second sliding block to move upwards, so that the fixed ring drives the valve body to move to the upper part of the cleaning box, the second driving motor drives the second driving wheel to rotate, so that the second driving wheel drives the valve body to rotate, the valve body rotates above the cleaning box, cleaning liquid on the valve body is processed under the action of centrifugal force and is thrown out, so that the valve body is dried, liquid drops thrown out of the valve body are splashed on the connecting plate, the liquid drops are blocked by the connecting plate, the later cleaning inconvenience caused by the liquid drop splashing is prevented, the liquid drops on the connecting plate flow downwards under the action of gravity, the liquid drops reflow to the cleaning box, the recovery treatment on the cleaning liquid is realized, and the waste of the cleaning liquid is reduced.
A fourth air cylinder 13 is arranged at the bottom of the cleaning box, a third supporting plate 131 is arranged on a piston rod of the fourth air cylinder, and a plurality of balls are arranged on the third supporting plate; when the valve body enters the cleaning box along with the sliding block, the fourth cylinder drives the piston rod to extend out, so that the third supporting plate contacts with the bottom of the valve body, the third supporting plate is matched with the fixing ring to support the valve body, the stability of the valve body in the cleaning box is ensured, and the fixing ring is protected; under the setting of ball, reduce the frictional force of third backup pad and valve body, make the better rotation of valve body under the effect of solid fixed ring, promote the cleaning performance to the valve body.
When the valve body is cleaned, the valve body is conveyed to one side of the connecting plate by the mechanical arm, the second supporting plate is turned downwards to enable the second supporting plate to be in a horizontal state, then the second connecting rod is turned downwards, the fixing ring is turned downwards along with the second connecting rod, the fixing ring is sleeved on the valve body, the fixing ring is positioned at the top of the second supporting plate, the fan blows air flow into the second movable cavity, the air flow pushes the push plate to move to the outer side of the second movable cavity, the push plate pushes the fixing plate to move to the middle of the fixing ring, the fixing plate is contacted with the side wall of the valve body, and the valve body is fixed in the fixing ring; the second cylinder drives the first sliding block and the second sliding block to move downwards, so that the fixed ring drives the valve body to enter the cleaning box, the valve body is immersed in the cleaning liquid, and the fourth cylinder pushes the third supporting plate to move upwards, so that the third supporting plate is contacted with the bottom of the valve body, and a supporting force is provided for the valve body; the first cylinder pushes the first movable block to move towards one end of the first movable groove, the first driving motor drives the lantern ring to rotate, and the lantern ring rotates when moving, so that the lantern ring is sleeved on the valve body, and the side wall of the valve body is cleaned under the action of bristles; when the lantern ring moves to the middle position of the valve body, the first cylinder drives the piston rod to move backwards, so that the lantern ring moves backwards along the side wall of the valve body, and the side wall of the valve body is cleaned for the second time, so that dirt on the side wall of the valve body is effectively brushed out; when the lantern ring is separated from the valve body, the second driving motor drives the second driving wheel to rotate, the second driving wheel drives the valve body to rotate, the valve body rotates in the cleaning liquid to collide with the cleaning liquid, stains on the valve body are flushed, after the valve body is cleaned, the second driving motor stops working, the second cylinder drives the first sliding block and the second sliding block to move upwards, the valve body is lifted from the cleaning liquid, the second driving motor drives the valve body to rotate again, the cleaning liquid on the valve body is dried, the valve body is processed by the mechanical arm to be grabbed, and after the fixing plate enters the second movable cavity, the second connecting rod and the second supporting plate are turned upwards under the action of the third cylinder, so that the fixing ring is separated from the valve body, the valve body is taken directly, and the cleaned valve body is put into the next procedure to be detected.
Claims (5)
1. A valve body detection method is characterized in that: comprising the following steps:
a. pre-cleaning: putting the produced valve body into a cleaning device, cleaning the surface of the valve body, and removing grease and other impurities on the surface of the valve body;
b. flaw detection of the valve body: placing the valve body in a strong magnetic field, spraying magnetic powder on the valve body, and observing whether the magnetic powder is piled up on the surface of the valve body or not so as to determine whether the surface of the valve body has defects or not;
c. demagnetizing: placing the parts in a direct current magnetic field, continuously changing the current direction and gradually reducing the current to a zero value;
d. post-cleaning: placing the valve body into a cleaning tank, and removing residual magnetic powder on the valve body;
the cleaning device in the step a comprises a cleaning box (1), a fixing component arranged in the cleaning box (1) and a cleaning component arranged in the cleaning box (1), wherein an installation block (14) is arranged on the inner wall of the cleaning box (1), a first movable groove is formed in the installation block (14), a first movable block (3) is arranged in the first movable groove, a first air cylinder (12) matched with the first movable block (3) is arranged on the side wall of the cleaning box (1), the cleaning component comprises a first connecting rod (33) arranged on the first movable block (3), a lantern ring (32) rotatably arranged on the first connecting rod (33) and a first driving motor arranged on the first connecting rod (33), the first driving motor can drive the lantern ring (32) to rotate, a plurality of bristles are arranged on the inner wall of the lantern ring (32), and the fixing component can drive the valve body (4) to rotate; after the valve body is produced, the valve body is placed into a cleaning box (1), a fixing component is matched with the valve body, the valve body is fixed in the cleaning box (1), the valve body enters into a cleaning liquid, a first air cylinder (12) drives a first movable block (3) to move along the inner wall of a first movable groove, a lantern ring (32) is driven to move towards the middle part of the cleaning box (1), a first driving motor drives the lantern ring (32) to rotate, the lantern ring (32) rotates in the moving process, the lantern ring is sleeved on the valve body along with the movement of the lantern ring (32), bristles are contacted with the side wall of the valve body to clean the side wall of the valve body, the grease on the side wall of the valve body is removed, after the first movable block (3) moves to one end of the first movable groove, the first air cylinder drives the first movable block (3) to move backwards, the lantern ring (32) is separated from the valve body, the fixing component drives the valve body to rotate, the valve body rotates in the cleaning liquid, the impact effect of the cleaning liquid on the valve body is increased, the residual dirt on the valve body is removed, and the cleaning operation is completed;
the connecting rod comprises a first connecting rod (33), a second movable groove is formed in the first connecting rod (33), a lantern ring (32) is arranged in the second movable groove, first connecting blocks (34) are respectively arranged on side walls of two sides of a first movable block (3), a first movable cavity is formed in the first connecting blocks (34), a first connecting spring (351) is arranged in the first movable cavity, a first limiting block (35) is arranged at one end of the first connecting spring (351), the first limiting block (35) is arranged at a port of the second movable groove, a through hole is formed in the side wall of the first movable cavity, a first push rod (36) penetrates through the through hole, and a supporting block (361) is arranged on the first push rod (36); a first mounting plate (341) is arranged in the first movable cavity, a rotating wheel (342) is arranged on the first mounting plate (341), an annular groove is formed in the rotating wheel (342), a connecting rope is arranged on the first limiting block (35), the connecting rope is wound on the annular groove, and the other end of the connecting rope is fixedly connected to one end of the first push rod (36); when the lantern ring (32) is installed, the first push rod (36) is pushed out of the first movable cavity, the supporting block (361) is moved out of the first movable cavity, the first push rod (36) moves to drive the connecting rope to move, the connecting rope pulls the first limiting block (35) to move towards the first movable cavity, after the first limiting block (35) enters the first movable cavity, the lantern ring (32) is inserted into the second movable groove, the lantern ring (32) is installed into the second movable groove, when the lantern ring (32) is aligned with the second movable groove, the first push rod (36) is pushed into the first movable cavity, the connecting rope does not pull the first limiting block (35) any more, the first connecting spring (351) pushes the first limiting block (35) to move towards the outer side of the first movable cavity, the first limiting block (35) enters the second movable groove to fix the lantern ring (32), and the supporting block (361) enters the first movable cavity to provide supporting force for the first limiting block (35);
the top of the cleaning box (1) is provided with a connecting plate, a first sliding groove is formed in the inner wall of the cleaning box (1), and the fixing assembly comprises a first sliding block (2) arranged in the first sliding groove, a second air cylinder arranged at the bottom of the first sliding groove, a second connecting rod (22) arranged on the first sliding block (2) and a fixing ring (25) arranged on the second connecting rod (22); the fixed ring (25) is provided with a second movable cavity, a first pushing plate is arranged in the second movable cavity, a third connecting rod is arranged on the first pushing plate, a fixed plate (28) is arranged on the third connecting rod, the fixed ring (25) is provided with a fan, and the fan is communicated with the second movable cavity; after the valve body is produced, the valve body is conveyed to the upper part of the cleaning box (1) through a mechanical arm, a piston rod is driven to move downwards by a second air cylinder, a first sliding block (2) drives a fixed ring (25) to move downwards, the fixed ring (25) is sleeved on the top of the valve body, an air blower blows air flow into a second movable cavity, the pressure intensity in the second movable cavity is increased, so that the air flow pushes a first push plate to move to the outer side of the second movable cavity, a fixed plate (28) is close to the position of the valve body under the action of the first push plate, the fixed plate (28) is contacted with the side wall of the valve body, the valve body is driven to move downwards through the fixed plate (28), and the first sliding block (2) is driven to move downwards together, so that the valve body is immersed into cleaning liquid, and the valve body is cleaned; when the valve body is cleaned, the second air cylinder drives the piston rod to extend out, so that the piston rod pushes the first sliding block (2) to move upwards, the first sliding block (2) drives the valve body to move upwards together, and the cleaned valve body is taken out from the cleaning box (1) so as to be sent into the next procedure.
2. A valve body inspection method as claimed in claim 1, wherein: the magnetic powder in the step b is magnetic ferric oxide powder.
3. A valve body inspection method as claimed in claim 1, wherein: and b, the magnetic powder in the step is directly sprinkled on the detected area, excessive magnetic powder is removed, and the valve body is vibrated to uniformly distribute the magnetic powder.
4. A valve body inspection method as claimed in claim 1, wherein: the demagnetizing in the step c can also be performed by placing the valve body on a demagnetizing machine.
5. A valve body inspection method as claimed in claim 1, wherein: and d, collecting the magnetic powder obtained by cleaning, and recycling the magnetic powder.
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| CN201910767245.XA CN110376278B (en) | 2019-08-20 | 2019-08-20 | Valve body detection method |
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| CN201910767245.XA CN110376278B (en) | 2019-08-20 | 2019-08-20 | Valve body detection method |
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| CN110376278B true CN110376278B (en) | 2023-04-25 |
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| CN113804431B (en) * | 2021-09-15 | 2024-04-16 | 浙江伯特利科技股份有限公司 | Detection device capable of detecting assembled finished valve |
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| CN115027932B (en) * | 2022-06-01 | 2024-01-05 | 马鞍山市华茂机械科技有限公司 | Feeding and discharging device for annular piece |
| CN117139257B (en) * | 2023-10-26 | 2024-02-13 | 泰州市百冠泵阀科技有限公司 | Pump valve piece processing clean treatment facility |
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Effective date of registration: 20230320 Address after: 201600 No. 600, changta Road, Shihudang Town, Songjiang District, Shanghai Applicant after: Shanghai shengkesisi Hydraulic Co.,Ltd. Address before: 317600 Huandong, Yucheng street, Yuhuan County, Taizhou City, Zhejiang Province Applicant before: Yuhuan Volkswagen Copper Manufacturing Co.,Ltd. |
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Denomination of invention: A Valve Body Testing Method Granted publication date: 20230425 Pledgee: Agricultural Bank of China Limited Shanghai Songjiang Sub-branch Pledgor: Shanghai shengkesisi Hydraulic Co.,Ltd. Registration number: Y2024980001578 |