CN115971320A - Forming process and device for valve body of Venturi valve - Google Patents
Forming process and device for valve body of Venturi valve Download PDFInfo
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- CN115971320A CN115971320A CN202211682872.1A CN202211682872A CN115971320A CN 115971320 A CN115971320 A CN 115971320A CN 202211682872 A CN202211682872 A CN 202211682872A CN 115971320 A CN115971320 A CN 115971320A
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- 238000000034 method Methods 0.000 title claims abstract description 51
- 230000008569 process Effects 0.000 title claims abstract description 42
- 238000012545 processing Methods 0.000 claims abstract description 39
- 239000010720 hydraulic oil Substances 0.000 claims abstract description 26
- 238000003466 welding Methods 0.000 claims abstract description 12
- 238000004140 cleaning Methods 0.000 claims description 40
- 230000007246 mechanism Effects 0.000 claims description 35
- 239000003921 oil Substances 0.000 claims description 20
- 238000002347 injection Methods 0.000 claims description 19
- 239000007924 injection Substances 0.000 claims description 19
- 238000007789 sealing Methods 0.000 claims description 9
- 238000007599 discharging Methods 0.000 claims description 7
- 238000000465 moulding Methods 0.000 claims description 7
- 230000009467 reduction Effects 0.000 claims description 6
- 230000005540 biological transmission Effects 0.000 claims description 4
- 230000000903 blocking effect Effects 0.000 claims description 2
- 238000003754 machining Methods 0.000 claims 2
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 239000007795 chemical reaction product Substances 0.000 abstract 1
- 239000000047 product Substances 0.000 abstract 1
- 238000005498 polishing Methods 0.000 description 9
- 238000005457 optimization Methods 0.000 description 8
- 239000007789 gas Substances 0.000 description 7
- 238000007493 shaping process Methods 0.000 description 7
- 239000012535 impurity Substances 0.000 description 6
- 239000002893 slag Substances 0.000 description 5
- 238000004891 communication Methods 0.000 description 3
- 238000001514 detection method Methods 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 230000005389 magnetism Effects 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- 238000009987 spinning Methods 0.000 description 2
- 230000000007 visual effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003517 fume Substances 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 210000002445 nipple Anatomy 0.000 description 1
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- 230000003014 reinforcing effect Effects 0.000 description 1
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- 238000012360 testing method Methods 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
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Abstract
The invention relates to the technical field of manufacturing of Venturi valves, and particularly discloses a Venturi valve body forming process and a Venturi valve body forming device, wherein the process comprises the following steps: blanking according to the expansion length of the diameter of the minimum position of the caliber of the valve body and the expansion length of the axial direction of the valve body, and welding into a cylindrical pipe blank; placing the cylindrical pipe blank in a mold, and closing the mold; injecting hydraulic oil into the cylindrical pipe blank until the outer wall of the cylindrical pipe blank is tightly attached to the inner wall of the mold; and after the cylindrical pipe blank in the die is formed, controlling a hydraulic forming system to release pressure, opening the die after hydraulic oil is discharged, and taking out the formed valve body of the venturi valve. In the invention, the processing precision is comprehensively improved through a brand-new forming process, the product precision which can be realized by the traditional process is completely subverted, and the control precision of the valve body manufactured by adopting the novel process provided by the invention meets the requirement of a high-end product on the premise that other parts are completely the same, so that the valve body is in the world leading position.
Description
Technical Field
The invention relates to a valve body forming process, in particular to a forming process and a forming device for a valve body of a venturi valve, and belongs to the technical field of manufacturing of venturi valves.
Background
The venturi flow control valve combines a mechanical pressure independent regulator with a high speed flow controller to extend flow control to a maximum level. Through the aerodynamic design, the valve has the silence working property, and the automatic pressure balancing device of quick response provides reliable fume chamber collection dirt and the control of indoor pressure. The Venturi valve has the characteristics of no influence of pressure change of the air pipe, quick response, accurate adjustment and the like. But the equipment is expensive, and is suitable for being applied to places such as biological product production plants, toxic and harmful, chemical laboratories, biological safety laboratories and the like which require to control negative pressure.
There are two international conventional forming methods for the workpiece: and (4) splicing in sections, wherein the curve section is formed by adopting a spinning method. After being rolled into a cylinder, the cylinder is cut into two parts along the central line, and the two parts are respectively punched and welded. These two methods have the disadvantages that: after the curve section is formed by spinning, due to the resilience of a metal material, the dimensional accuracy is very low (the diameter tolerance is more than or equal to 0.3), each section deforms after being welded, the roundness cannot be guaranteed (the roundness is more than or equal to 0.2), and the coaxiality of the left, middle and right three sections is also very low (the coaxiality of two ends is more than or equal to 0.5); the middle cutting punch forming method has the advantages that the same accuracy of roundness and size is low due to welding of two longitudinal welding lines; the thickness reduction amount of local materials at the variable diameter position is large (the thickness reduction amount is more than or equal to 0.3) in the two forming methods, and the overall strength of the valve body is reduced.
Disclosure of Invention
The invention aims to solve the defects in the prior art and provides a forming process of a valve body of a venturi valve.
In order to achieve the purpose, the invention adopts the following technical scheme:
a venturi valve body molding process, the process comprising the steps of:
the method comprises the following steps: blanking according to the expansion length of the diameter of the minimum position of the caliber of the valve body and the expansion length of the axial line direction of the valve body, and welding into a cylindrical pipe blank;
step two: placing the cylindrical tube blank in a mold, closing the mold, and plugging two ends of the cylindrical tube blank by using a plugging plug and a movable pressure oil injection nozzle;
step three: driving a hydraulic forming system by using a hydraulic system, and injecting hydraulic oil into the cylindrical pipe blank until the outer wall of the cylindrical pipe blank is tightly attached to the inner wall of the mold;
step four: when the step three is carried out, the left-side hydraulic press automatic pushing system drives the pushing mechanism to move rightwards in the hydraulic press guide sleeve, and simultaneously pushes the movable pressure oil injection nozzle, the locking process ring and the cylindrical pipe blank to move rightwards, so that the wall thickness reduction amount in the forming process of the cylindrical pipe blank is reduced;
step five: and after the cylindrical pipe blank in the mold is molded, controlling a hydraulic molding system to release pressure, opening the mold after hydraulic oil in the cylindrical pipe blank is discharged, taking out the molded venturi valve body, and completing molding processing.
Optionally, locking process rings are installed at two ends of the mold, and the two locking process rings can respectively lock the pressure sealing plug and the movable pressure oil injection nozzle.
Optionally, an oil injection pipeline is arranged inside the movable pressure oil injection nozzle, and hydraulic oil enters the cylindrical pipe blank through the oil injection pipeline.
The utility model provides a venturi valve body forming device, the device is applied to the forming process among the above-mentioned, and the device includes the processing platform, the box is installed through a plurality of support columns in the top of processing platform, and the top of processing platform still is connected through the bottom of support column with the mould, and the inside of box is equipped with the first processing mechanism that is used for carrying out the letter sorting to the tube-shape pipe, and the top of processing platform still is equipped with the second processing mechanism that is used for clearing up and detecting inside the tube-shape pipe.
Optionally, the first processing mechanism comprises a first inclined plate, the first inclined plate is installed inside the box, a second inclined plate is further installed below the first inclined plate inside the box, the second inclined plate is close to one high end and one low end, a first feed opening and a second feed opening are respectively formed in the one low end of the second inclined plate, and a third feed opening is formed in the outer wall of the one low end of the box close to the second inclined plate.
Optionally, the inside below that is located the second swash plate of box is the tilt state through the pivot and rotates and install first rotation board, and the bottom equidistance of first rotation board has seted up a plurality of logical grooves, and the riser is all installed to two sides of first rotation board, and one of them riser inner wall bonds there is the rubber pad.
Optionally, a fourth feed opening is formed in the outer wall of one side, opposite to the third feed opening, of the box body, a second rotating plate is rotatably mounted in the fourth feed opening, a polishing belt is mounted on one side, close to the first rotating plate, of the second rotating plate, and a sealing door is further mounted below the second rotating plate at the fourth feed opening.
Optionally, the second processing mechanism includes electric sliding block, the spout has been seted up at the top of processing platform, electric sliding block installs the inside at the spout, the fixed plate is installed at electric sliding block's top, and one side rotation that the fixed plate top is close to the box installs the turning block, one side outer wall that the fixed plate was kept away from to the turning block installs first electric telescopic handle, the round bar is installed to first electric telescopic handle's the end that stretches out, and the round bar is kept away from first electric telescopic handle's one end and is installed the cleaning block, the box is close to one side outer wall of fixed plate and has been seted up and has been supplied first electric telescopic handle to drive the opening that the cleaning block removed to the box inside.
Optionally, the outer wall of the cleaning block is provided with a groove, a second electric telescopic handle is installed in the groove, an arc magnet block is installed at the stretching end of the second electric telescopic handle, two third electric telescopic handles are installed on the outer wall of one side, close to the round bar, of the cleaning block, the stretching ends of the two third electric telescopic handles are connected with a moving block together, the moving block is in sliding fit with the outer wall of the round bar, a connecting end used for being connected with an external gas transmission mechanism is installed on the outer wall of the moving block, a plurality of gas outlets are formed in the outer wall of one side, close to the cleaning block, of the moving block, an air bag is installed on the outer wall of one side, close to the moving block, of the cleaning block, and a communicating pipe is installed between the air bag and the moving block.
Optionally, the inside mounting of mould has two fourth electric telescopic handle, and the end that stretches out of two fourth electric telescopic handle all installs the arc push pedal, and two rectangular channels have all been seted up to the top of processing platform near box and mould one side, and equal slidable mounting has the collecting box under the bottom of processing platform lies in two rectangular channels.
The invention has the beneficial effects that:
1. in the invention, the processing precision is comprehensively improved through a brand new forming process, and the product precision which can be realized by the traditional process is completely subverted: the diameter tolerance of each curved surface is less than or equal to 0.05, the roundness of each diameter is less than or equal to 0.05, the coaxiality of two ports is less than or equal to 0.05, the wall thickness reduction amount of the cylinder body is less than or equal to 0.1, reinforcing ribs can be added at any cylinder part, and the compression resistance and deformation resistance of the valve body are effectively improved.
2. According to the invention, the welded cylindrical pipe blank can be placed in the box body before being placed in the die, the cylindrical pipe blank with unqualified diameter can be removed through the first feed opening and the second feed opening arranged on the second inclined plate, the cylindrical pipe blank with qualified diameter can fall on the top of the first rotating plate, the outer wall of the cylindrical pipe blank is polished and cleaned through the polishing belt at the bottom of the second rotating plate, and welding slag or other impurities on the outer wall of the cylindrical pipe blank fall in the die together to avoid influence on the forming of a valve body of the Venturi valve.
3. According to the invention, after the tubular pipe blanks with qualified diameters fall on the top of the first rotating plate, the tubular pipe blanks falling on the top of the first rotating plate can be extruded through the downward rotation of the second rotating plate, so that the tubular pipe blanks positioned on the top of the first rotating plate can be arranged in order, after the external driving mechanism drives the first rotating plate to rotate to be in an inclined state, one ends of the tubular pipe blanks are abutted to the rubber pads, and further, the tubular pipe blanks with unqualified lengths can be removed, the automatic treatment before the tubular pipe blanks are molded is realized, and the qualification rate of the valve body of the Venturi valve is further improved.
4. According to the invention, a plurality of cylindrical tube blanks are arranged at the top of the first rotating plate in order, and the cleaning block can be driven by the first electric telescopic rod to extend into the cylindrical tube blanks so as to clean impurities on the inner walls of the cylindrical tube blanks; and after the cleaning block enters the cylindrical tube blank, the two third electric telescopic rods can drive the moving block to move towards the direction close to the first electric telescopic rods on the outer wall of the round rod, so that the outer wall of one side, provided with the gas outlet, of the moving block is abutted against the cylindrical tube blank, at the moment, the moving block can be subjected to gas transmission through the connecting end by means of an external gas transmission mechanism, the gas outlet exhausts to the inside of the cylindrical tube blank, the tightness of the cylindrical tube blank is detected, and the condition that hydraulic oil leaks or the cylindrical tube blank deforms and is damaged in the subsequent forming process is avoided.
Drawings
To facilitate understanding for those skilled in the art, the present invention will be further described with reference to the accompanying drawings.
Fig. 1 is a schematic view of a venturi valve body forming process according to the present invention;
FIG. 2 is a schematic structural view of a venturi valve body forming apparatus according to the present invention;
FIG. 3 is a schematic view of the structure of FIG. 2 from another angle;
FIG. 4 is a sectional view showing the structure of the casing according to the present invention;
FIG. 5 is a schematic view of a first rotating plate according to the present invention;
FIG. 6 is a sectional view showing the structure of a mold according to the present invention;
FIG. 7 is a schematic structural view of a second processing mechanism according to the present invention;
FIG. 8 is a schematic view showing the structure of a cleaning block and an arc magnet block according to the present invention.
In the figure: 1. a processing table; 2. a box body; 3. a mold; 4. a fixing plate; 5. a fourth feed opening; 6. a rectangular groove; 7. a collection box; 8. a chute; 9. a third feed opening; 10. an opening; 11. a first rotation plate; 12. a first sloping plate; 13. a second swash plate; 14. a first feed opening; 15. a second feed opening; 16. a second rotating plate; 17. polishing the belt; 18. a sealing door; 19. a rubber pad; 20. a through groove; 21. an arc-shaped push plate; 22. a fourth electric telescopic rod; 23. an electric slider; 24. a first electric telescopic rod; 25. a cleaning block; 26. a moving block; 27. a connecting end; 28. an air outlet; 29. a third electric telescopic rod; 30. an air bag; 31. a communicating pipe; 32. an arc magnet block; 33. a second electric telescopic rod; 34. a hydraulic system; 35. an automatic pushing system of the hydraulic press; 36. a hydroforming system; 37. a hydraulic press guide sleeve; 38. a propulsion mechanism; 39. a movable pressure grease nipple; 40. locking the process ring; 41. a cylindrical tube blank; 42. sealing and pressing the plug; 43. a round bar.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-8, a venturi valve body forming process comprises the following steps:
the method comprises the following steps: blanking according to the expansion length of the diameter of the minimum position of the caliber of the valve body and the expansion length of the axial direction of the valve body, and welding into a cylindrical tube blank 41;
step two: placing the cylindrical tube blank 41 in the mold 3, closing the mold 3, and plugging both ends of the cylindrical tube blank 41 by using a plugging plug 42 and a movable pressure oil injection nozzle 39;
step three: the hydraulic system 34 is used for driving the hydraulic forming system 36, and hydraulic oil is injected into the cylindrical tube blank 41 until the outer wall of the cylindrical tube blank 41 is tightly attached to the inner wall of the die 3;
step four: while the third step is carried out, the left-side hydraulic press automatic pushing system 35 drives the pushing mechanism 38 to move rightwards in the hydraulic press guide sleeve 37, and simultaneously pushes the movable pressure oil injection nozzle 39, the locking process ring 40 and the cylindrical tube blank 41 to move rightwards, so that the wall thickness reduction amount in the forming process of the cylindrical tube blank 41 is reduced;
step five: and after the cylindrical tube blank 41 in the die 3 is formed, controlling the hydraulic forming system 36 to release pressure, opening the die 3 after hydraulic oil in the cylindrical tube blank 41 is discharged, taking out the formed valve body of the venturi valve, and finishing forming.
As a technical optimization scheme of the invention, locking process rings 40 are arranged at two ends of the mould 3, and the two locking process rings 40 can respectively lock a blocking plug 42 and a movable pressure oil nozzle 39.
As a technical optimization scheme of the invention, an oil injection pipeline is arranged inside the movable pressure oil injection nozzle 39, and hydraulic oil enters the cylindrical pipe blank 41 through the oil injection pipeline.
The utility model provides a venturi valve body forming device, the device is applied to the forming process among the above-mentioned, and the device includes processing platform 1, and box 2 is installed through a plurality of support columns in the top of processing platform 1, and the top of processing platform 1 still is connected with the bottom of mould 3 through the support column, and the inside of box 2 is equipped with the first processing mechanism that is used for carrying out the letter sorting to tube-shape pipe 41, and the top of processing platform 1 still is equipped with the second processing mechanism that is used for clearing up and detecting inside tube-shape pipe 41.
As a technical optimization scheme of the invention, the first processing mechanism comprises a first inclined plate 12, the first inclined plate 12 is arranged inside the box body 2, a second inclined plate 13 is also arranged inside the box body 2 and positioned below the first inclined plate 12, a first feed opening 14 and a second feed opening 15 are respectively arranged at one end, close to the high end, and one end, close to the low end, of the second inclined plate 13, and a third feed opening 9 is arranged on the outer wall of one end, close to the low end, of the box body 2. The welded cylindrical tube blanks 41 can be placed in the box body 2 and slide downwards on the top of the first inclined plate 12 to the top of the second inclined plate 13, a small number of the cylindrical tube blanks 41 with smaller diameters can fall downwards when passing through the first discharging opening 14, the cylindrical tube blanks 41 with qualified diameters and thicker diameters can pass through the first discharging opening 14, and the cylindrical tube blanks 41 with qualified diameters can fall downwards after the top of the second inclined plate 13 continuously moves to the position of the second discharging opening 15. While the thicker tube blanks still pass through the second feed opening 15 and are discharged from the third feed opening 9 to the outside of the box body 2, so that the thickness of the cylindrical tube blanks 41 is classified.
As a technical optimization scheme of the invention, a first rotating plate 11 is rotatably arranged in the box body 2 below the second inclined plate 13 in an inclined state through a rotating shaft, a plurality of through grooves 20 are equidistantly formed in the bottom of the first rotating plate 11, vertical plates are arranged on two side surfaces of the first rotating plate 11, and a rubber pad 19 is bonded on the inner wall of one vertical plate with a longer length.
As a technical optimization scheme of the invention, a fourth feed opening 5 is formed in the outer wall of one opposite side of the box body 2 and the third feed opening 9, a second rotating plate 16 is rotatably mounted in the fourth feed opening 5, a grinding belt 17 is mounted on one side of the second rotating plate 16 close to the first rotating plate 11, and a sealing door 18 is further mounted below the second rotating plate 16 of the fourth feed opening 5. When the plurality of cylindrical tube blanks 41 move on the top of the second inclined plate 13, the second rotating plate 16 can be driven by an external driving mechanism to rotate upwards, so that one end of the second rotating plate, which is far away from the rotating part, rotates upwards to a position abutting against the bottom of the second inclined plate 13, and then the second rotating plate 16 can be used as a guide plate, so that the cylindrical tube blanks 41 with thin diameters, which fall downwards from the first discharge port 14, fall on the top of the second rotating plate 16 and are discharged from the box body 2 in a proper manner, and the cylindrical tube blanks 41 with unqualified diameters, which fall from the first discharge port 14, can be prevented from falling on the top of the first rotating plate 11; due to the inclined arrangement of the first rotating plate 11, the cylindrical tube blanks 41 falling on the top of the first rotating plate 11 automatically move towards the lower end, and after enough cylindrical tube blanks 41 with qualified diameters are collected on the top of the first rotating plate 11, the cylindrical tube blanks 41 freely fall down to the top of the first rotating plate 11, and partial cylindrical tube blanks 41 are in a stacked state, at this time, the second rotating plate 16 can be driven by an external driving mechanism to rotate downwards to be flush with the first rotating plate 11, so that the second rotating plate 16 can repeatedly press the cylindrical tube blanks 41 on the top of the first rotating plate 11 in the downward rotating process, and the cylindrical tube blanks 41 can be enabled to be arranged on the top of the first rotating plate 11 in order through the multiple pressing of the second rotating plate 16.
As a technical optimization scheme of the invention, the second processing mechanism comprises an electric slide block 23, a chute 8 is formed in the top of the processing table 1, the electric slide block 23 is installed inside the chute 8, a fixed plate 4 is installed on the top of the electric slide block 23, a rotating block is rotatably installed on one side, close to the box body 2, of the top of the fixed plate 4, a first electric telescopic rod 24 is installed on the outer wall of one side, far away from the fixed plate 4, of the rotating block, a round rod 43 is installed at the extending end of the first electric telescopic rod 24, a cleaning block 25 is installed at one end, far away from the first electric telescopic rod 24, of the round rod 43, and an opening 10 for the first electric telescopic rod 24 to drive the cleaning block 25 to move into the box body 2 is formed in the outer wall of one side, close to the fixed plate 4, of the box body 2.
As a technical optimization scheme of the invention, a groove is formed in the outer wall of the cleaning block 25, a second electric telescopic rod 33 is installed in the groove, an arc-shaped magnet block 32 is installed at the extending end of the second electric telescopic rod 33, two third electric telescopic rods 29 are installed on the outer wall of one side, close to the round rod 43, of the cleaning block 25, the extending ends of the two third electric telescopic rods 29 are connected with a moving block 26, the moving block 26 is in sliding fit with the outer wall of the round rod 43, a connecting end 27 used for being connected with an external air conveying mechanism is installed on the outer wall of the moving block 26, a plurality of air outlets 28 are formed in the outer wall of one side, close to the cleaning block 25, of the cleaning block 25, an air bag 30 is installed on the outer wall of one side, close to the moving block 26, and a communicating pipe 31 is installed between the air bag 30 and the moving block 26. After the tubular blanks 41 at the top of the first rotating plate 11 are arranged in order, the rotating shaft can be driven to rotate by another external driving mechanism, and after the side, provided with the vertical plate, of the outer wall of the first rotating plate 11 can be driven to rotate downwards by a certain angle, one ends of the tubular blanks 41 at the top of the first rotating plate 11 can be abutted to the rubber pads 19 on the inner wall of the vertical plate, so that the other ends of the tubular blanks 41 can be automatically identified by visual identification equipment arranged in the box body 2, the length of the tubular blanks 41 at the top of the first rotating plate 11 can be conveniently detected, if the tubular blanks 41 with unqualified length are identified, signals can be transmitted to a controller arranged in the device, and after the controller controls the electric sliding block 23 to slide in the sliding chute 8 to be in the same position with the unqualified tubular blanks 41, the first electric telescopic rod 24 is started to drive the round rod 43 and the cleaning block 25 arranged at the end part of the round rod 43 to be inserted into the unqualified cylindrical tube blank 41, the second electric telescopic rod 33 is started to drive the arc-shaped magnet block 32 to extend out and magnetically adsorb the inner wall of the unqualified cylindrical tube blank 41, the extending end of the first electric telescopic rod 24 is reset to drive the unqualified cylindrical tube blank 41 adsorbed by the cleaning block 25 and the arc-shaped magnet block 32 to move from the opening 10 to the outside of the box body 2, an external driving mechanism is used for driving the rotating block to rotate downwards so as to drive the cleaning block 25 and the unqualified cylindrical tube blank 41 to synchronously rotate downwards, after the cleaning block rotates to the upper part of the rectangular groove 6, the second electric telescopic rod 33 drives the arc-shaped magnet block 32 to reset, so that the arc-shaped magnet block 32 is separated from the unqualified cylindrical tube blank 41, the unqualified cylindrical tube blank 41 automatically slides into the rectangular groove 6 and falls into the collection box 7 for collection, the tubular blank 41 with unqualified length can be removed conveniently.
After the tubular pipe 41 with unqualified length on the top of the first rotating plate 11 is cleaned, the cleaning block 25 can be driven by the extending end of the first electric telescopic rod 24 to continuously extend into the qualified tubular pipe 41, welding slag or other impurities in the tubular pipe 41 are scraped and cleaned, after the cleaning block 25 extends into the tubular pipe 41, the moving block 26 is driven by the extending ends of the two third electric telescopic rods 29 to slide on the outer wall of the round rod 43, so that the first electric telescopic rod 24 can drive the cleaning block 25 to move to the other end of the tubular pipe 41, after the cleaning block 25 moves to the other end of the tubular pipe 41, the extending end of the third electric telescopic rod 29 retracts for a certain distance to drive the moving block 26 to abut against one end of the tubular pipe 41, one end of the tubular pipe 41 is blocked, the other end of the tubular pipe 41 is abutted against the rubber pad 19 on the inner wall of the vertical plate by the air from the moving block 26, sealing of the two ends of the tubular pipe 41 is completed, then the connecting end 27 is connected with an external air conveying mechanism, so that the external air conveying mechanism can discharge air from the outer wall of the moving block 26 to the outer wall of the tubular pipe 41, and air outlet of the tubular pipe 41 is detected, and air tightness of the tubular pipe is prevented from being affected by air leakage detection. In the process of exhausting air from the plurality of air outlets 28 of the moving block 26, part of the air can be exhausted into the air bag 30 through the communication pipe 31, so that the air bag 30 is in an inflated state, the communication pipe 31 is a hose, the actual length of the communication pipe is greater than that of the round rod 43, after the interior of the cylindrical tube blank 41 is cleaned and the air tightness of the cylindrical tube blank is detected, the air bag 30 in the inflated state abuts against the inner wall of the cylindrical tube blank 41, and in the process that the cleaning block 25 is driven by the first electric telescopic rod 24 to move out of the interior of the cylindrical tube blank 41, the air bag 30 can rub against the inner wall of the cylindrical tube blank 41, so that the dust remaining in the interior of the cylindrical tube blank 41 can be cleaned; because the outer wall of the air bag 30 is provided with the wear-resistant layer, when the air bag 30 rubs against the inner wall of the tubular blank 41, the air bag 30 can be prevented from being damaged due to long-time friction with the inner wall of the tubular blank 41, the service life of the air bag 30 is prolonged, and the injection of hydraulic oil in the tubular blank 41 and the repeated use of the hydraulic oil are facilitated. After the cylindrical tube blank 41 at the top of the first rotating plate 11 is subjected to multiple detections, the retained qualified cylindrical tube blank 41 can be driven to abut against the outer wall of the cylindrical tube blank 41 by the downward rotation of the second rotating plate 16 through the polishing belt 17 at the bottom of the second rotating plate 16, welding slag and other impurities on the outer wall of the cylindrical tube blank 41 can be polished and cleaned through the rotating polishing belt 17, and because the bottom of the first rotating plate 11 is provided with the plurality of through grooves 20, the impurities cleaned inside and outside the cylindrical tube blank 41 can all fall to the bottom of the box body 2 through the through grooves 20 for collection.
As a technical optimization scheme of the invention, two fourth electric telescopic rods 22 are arranged in the die 3, the extending ends of the two fourth electric telescopic rods 22 are respectively provided with an arc-shaped push plate 21, two rectangular grooves 6 are respectively arranged at the top of the processing table 1 close to the box body 2 and one side of the die 3, and the collecting boxes 7 are respectively arranged at the bottom of the processing table 1 under the two rectangular grooves 6 in a sliding manner. The cylindrical tube blank 41 processed by the first processing mechanism and the second processing mechanism can open the sealing door 18 in the fourth feed opening 5, and continuously drive the cylindrical tube blank 41 to move to the inside of the mold 3 by virtue of the rotating polishing belt 17, after the molding process, the mold 3 is opened, two fourth electric telescopic rods 22 arranged in the mold 3 drive the arc-shaped push plate 21 to push the molded venturi valve body upwards to the top of the mold 3, at the moment, the electric slide block 23 can drive the fixed plate 4, the cleaning block 25 and other parts to move together to be in the same straight line position with the venturi valve body, the first electric telescopic rod 24 drives the circular rod 43 and the moving block 26 on the outer wall of the circular rod to move to a position close to the venturi valve body, and then the air is blown towards the inside of the venturi valve body through the air outlet 28, so that the discharge of hydraulic oil adhered to the inside of the venturi valve body can be accelerated. If the cylindrical tube blank 41 in the mold 3 fails to be molded, the cleaning block 25 can be driven by the first electric telescopic rod 24 to penetrate into the cylindrical tube blank 41, the arc-shaped magnet block 32 in the extending state is magnetically attracted with the cleaning block, then the rotating block and the first electric telescopic rod 24 are driven by an external driving mechanism to rotate downwards, the magnetically attracted cylindrical tube blank 41 is driven to rotate to the top of another rectangular groove 6, the arc-shaped magnet block 32 is separated from the cylindrical tube blank 41 which fails to be molded, and the cylindrical tube blank 41 which fails to be molded can fall downwards into another collection box 7 to be collected; after the successful shaping of the inside tube blank 41 of mould 3, clean piece 25 stretches into the inside of the successful shaping venturi valve body, it is fixed rather than magnetism through arc magnetoblock 32, it is vertical state to be rotated upwards by the turning block, drive first electric telescopic handle 24 and be after vertical state, stay a period, make the inside remaining hydraulic oil of successful shaping venturi valve body control oil, can still aerify gasbag 30 through communicating pipe 31 this moment, make gasbag 30 can be after the inflation state with the inner wall looks butt of venturi valve body, then control and break away from between arc magnetoblock 32 and the venturi valve body, make the bottom of venturi valve body and 26 looks butt, through constantly controlling stretching out and retracting of the end that third electric telescopic handle 29 stretches out, drive movable block 26 and can promote the reciprocating motion of venturi valve body at its top repeatedly, accelerate the discharge of its inside hydraulic oil, and when it reciprocates, gasbag 30 that is the inflation state contacts with the inner wall of venturi valve body, also can scrape the clearance of remaining wall in it, and the clean inner wall of gasbag 30 and the minimum gas conveying mechanism that the gasbag 30 can make things convenient to the clean through the outside of venturi valve body 30. And the hydraulic oil that clears up out also can be along the outer wall of round bar 43 downward flow to first electric telescopic handle 24, even in the in-process of clearing up the hydraulic oil of the successful venturi valve body inner wall of shaping for a long time, the hydraulic oil of part clearance can flow into spout 8 downwards, all has certain lubricated effect to first electric telescopic handle 24 and electric slider 23.
In the present invention, when the user uses the apparatus, the welded cylindrical blanks 41 are placed in the box 2 and automatically sorted according to their diameters while sliding on the top of the second inclined plate 13, and the cylindrical blanks 41 having an acceptable diameter are dropped onto the top of the first rotating plate 11 and collected, and the cylindrical blanks 41 positioned on the top of the first rotating plate 11 are aligned by the downward rotation of the second rotating plate 16.
After the tubular tube blanks 41 at the top of the first rotating plate 11 are arranged orderly, the rotating shaft can be driven to rotate by another external driving mechanism, the first rotating plate 11 can be driven to downwards turn by a certain angle by taking the rotating shaft as a circle center, one ends of the tubular tube blanks 41 can be abutted to the inner wall of the vertical plate, a visual identification device inside the box body 2 can conveniently identify the tubular tube blanks 41, and the lengths of the tubular tube blanks 41 can be detected.
After the cleaning of the cylindrical tube blank 41 with unqualified length on the top of the first rotating plate 11 is finished, the cleaning block 25 can be driven by the extending end of the first electric telescopic rod 24 to continuously extend into the qualified cylindrical tube blank 41, welding slag or other sundries in the cylindrical tube blank 41 are scraped and cleaned, after the cleaning block 25 extends into the cylindrical tube blank 41, the extending ends of the two third electric telescopic rods 29 drive the moving block 26 to slide on the outer wall of the round rod 43, after the cleaning block 25 moves to the other end of the cylindrical tube blank 41, the extending end of the third electric telescopic rod 29 drives the moving block 26 to abut against one end of the cylindrical tube blank 41, one end of the cylindrical tube blank 41 is sealed, the other end of the cylindrical tube blank 41 can be abutted against the rubber pad 19 on the inner wall of the vertical plate by the same thrust from the moving block 26, the sealing of the two ends of the cylindrical tube blank 41 is finished, and then the connecting end 27 can be connected with an external air conveying mechanism, so that the external air conveying mechanism can discharge air into the cylindrical tube blank 41 through the plurality of air outlets 28 on the outer wall of the moving block 26, the air tightness of the cylindrical tube blank 41 is detected, and the subsequent forming is avoided, and the air leakage of the welding position is affected.
In the process of exhausting air from the plurality of air outlets 28, part of the air can be exhausted to the inside of the air bag 30 through the communicating pipe 31, so that the air bag 30 is in an inflated state, after the inside of the cylindrical tube blank 41 is cleaned and the air tightness of the cylindrical tube blank 41 is detected, the air bag 30 can clean dust remaining in the cylindrical tube blank 41 in the process that the cleaning block 25 is driven by the first electric telescopic rod 24 to move out of the cylindrical tube blank 41, and subsequent injection of hydraulic oil and repeated use of the hydraulic oil are facilitated.
After a plurality of tests are carried out on the cylindrical pipe blank 41 at the top of the first rotating plate 11, the reserved qualified cylindrical pipe blank 41 can be abutted against the outer wall of the cylindrical pipe blank 41 through the polishing belt 17 at the bottom of the second rotating plate 16, welding slag and other impurities on the outer wall of the cylindrical pipe blank 41 can be polished and cleaned through the rotating polishing belt 17, the processed cylindrical pipe blank 41 can drive the cylindrical pipe blank 41 to move into the mold 3 through the rotating polishing belt 17 for forming, the formed venturi valve body can drive the arc-shaped push plate 21 to be upwards pushed out to the top of the mold 3 through the fourth electric telescopic rod 22, at the moment, the electric slide block 23 can drive the cleaning block 25 and other components to move to be in the same straight line with the venturi valve body, and then the hydraulic oil can be blown towards the interior of the venturi valve body through the air outlet 28, so that the discharge of the adhesion inside of the venturi valve body can be accelerated.
After the successful shaping of tube-shape pipe 41, clean piece 25 stretches into the inside of the successful venturi valve body of shaping, inhale fixedly back through arc magnet piece 32 rather than magnetism, it is after vertical state to drive first electric telescopic handle 24 by the turning block, dwell a period of time, make the inside remaining hydraulic oil of the successful venturi valve body of shaping can carry out accuse oil treatment, can still aerify gasbag 30 through communicating pipe 31 this moment and with the inner wall looks butt of venturi valve body, stretch out stretching out and retracting of end through continuous control third electric telescopic handle 29, drive movable block 26 and can promote the venturi valve body reciprocating motion from top to bottom at its top repeatedly, gasbag 30 that is expansion state contacts with the inner wall of venturi valve body, also can scrape the clearance to the remaining hydraulic oil of its inner wall, can clean up the remaining hydraulic oil of venturi valve body inner wall.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.
Claims (10)
1. A venturi valve body forming process is characterized by comprising the following steps:
the method comprises the following steps: blanking according to the expansion length of the diameter of the minimum position of the caliber of the valve body and the expansion length of the axial direction of the valve body, and welding into a cylindrical tube blank (41);
step two: placing a cylindrical tube blank (41) in a mold (3), closing the mold (3), and plugging two ends of the cylindrical tube blank (41) by using a plugging plug (42) and a movable pressure oil injection nozzle (39);
step three: a hydraulic system (34) is used for driving a hydraulic forming system (36), hydraulic oil is injected into the cylindrical tube blank (41) until the outer wall of the cylindrical tube blank (41) is tightly attached to the inner wall of the die (3);
step four: when the third step is carried out, the left-side hydraulic press automatic pushing system (35) drives the pushing mechanism (38) to move rightwards in the hydraulic press guide sleeve (37), and simultaneously pushes the movable pressure oil injection nozzle (39), the locking process ring (40) and the cylindrical pipe blank (41) to move rightwards, so that the wall thickness reduction amount in the forming process of the cylindrical pipe blank (41) is reduced;
step five: and after the cylindrical pipe blank (41) in the mold (3) is molded, controlling a hydraulic molding system (36) to release pressure, discharging hydraulic oil in the cylindrical pipe blank (41), opening the mold (3), taking out the molded Venturi valve body, and completing molding processing.
2. A venturi valve body forming process according to claim 1, characterized in that locking process rings (40) are installed at both ends of the mold (3), and the two locking process rings (40) can respectively lock the blocking plug (42) and the movable pressure oil injection nozzle (39).
3. The venturi valve body molding process according to claim 1, wherein an oil injection pipeline is arranged inside the movable pressure oil injection nozzle (39), and hydraulic oil enters the inside of the cylindrical pipe blank (41) through the oil injection pipeline.
4. A forming device of a valve body of a Venturi valve, which is applied to the forming process in the claim 1 and comprises a processing table (1), characterized in that a box body (2) is installed at the top of the processing table (1) through a plurality of supporting columns, the top of the processing table (1) is also connected with the bottom end of a mold (3) through the supporting columns, a first processing mechanism for sorting cylindrical tube blanks (41) is arranged inside the box body (2), and a second processing mechanism for cleaning and detecting the inside of the cylindrical tube blanks (41) is also arranged at the top of the processing table (1).
5. The forming device of the valve body of the Venturi valve according to claim 4, wherein the first processing mechanism comprises a first inclined plate (12), the first inclined plate (12) is installed inside the box body (2), a second inclined plate (13) is further installed inside the box body (2) and below the first inclined plate (12), a first discharging opening (14) and a second discharging opening (15) are respectively formed in one end, close to the high end and one end, close to the low end of the second inclined plate (13), and a third discharging opening (9) is formed in the outer wall of one end, close to the low end, of the box body (2).
6. The forming device of the valve body of the Venturi valve according to claim 5, characterized in that a first rotating plate (11) is rotatably arranged in the box body (2) below the second inclined plate (13) in an inclined state through a rotating shaft, a plurality of through grooves (20) are formed in the bottom of the first rotating plate (11) at equal intervals, risers are arranged on two sides of the first rotating plate (11), and a rubber pad (19) is bonded on the inner wall of one of the risers.
7. The forming device for the valve body of the Venturi valve according to claim 6, wherein a fourth feed opening (5) is formed in the outer wall of one side of the box body (2) opposite to the third feed opening (9), a second rotating plate (16) is rotatably installed in the fourth feed opening (5), a grinding belt (17) is installed on one side, close to the first rotating plate (11), of the second rotating plate (16), and a sealing door (18) is further installed below the second rotating plate (16) of the fourth feed opening (5).
8. The forming device for the valve body of the Venturi valve according to claim 4, wherein the second processing mechanism comprises an electric sliding block (23), a sliding groove (8) is formed in the top of the processing table (1), the electric sliding block (23) is installed inside the sliding groove (8), a fixed plate (4) is installed on the top of the electric sliding block (23), a rotating block is rotatably installed on one side, close to the box body (2), of the top of the fixed plate (4), a first electric telescopic rod (24) is installed on the outer wall, far away from the fixed plate (4), of one side of the rotating block, a round rod (43) is installed at the extending end of the first electric telescopic rod (24), a cleaning block (25) is installed at one end, far away from the first electric telescopic rod (24), of the box body (2), and an opening (10) is formed in the outer wall, close to the fixed plate (4), of the box body (2), and the first electric telescopic rod (24) drives the cleaning block (25) to move to the inside of the box body (2).
9. The forming device for the valve body of the Venturi valve according to claim 8, wherein a groove is formed in the outer wall of the cleaning block (25), a second electric telescopic rod (33) is installed in the groove, an arc-shaped magnet block (32) is installed at the extending end of the second electric telescopic rod (33), two third electric telescopic rods (29) are installed on the outer wall of one side, close to the round rod (43), of the cleaning block (25), the extending ends of the two third electric telescopic rods (29) are connected with a moving block (26) together, the moving block (26) is in sliding fit with the outer wall of the round rod (43), a connecting end (27) used for being connected with an external gas transmission mechanism is installed on the outer wall of the moving block (26), a plurality of gas outlets (28) are formed in the outer wall of one side, close to the cleaning block (25), an air bag (30) is installed on the outer wall of one side, close to the moving block (26), and a communicating pipe (31) is installed between the air bag (30) and the moving block (26).
10. The venturi valve body forming device according to claim 9, wherein two fourth electric telescopic rods (22) are installed inside the mold (3), arc-shaped push plates (21) are installed at the extending ends of the two fourth electric telescopic rods (22), two rectangular grooves (6) are formed in the side, close to the box body (2), of the top of the machining table (1) and the side, close to the mold (3), of the mold (3), and the collecting box (7) is installed under the two rectangular grooves (6) in a sliding mode at the bottom of the machining table (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211682872.1A CN115971320B (en) | 2022-12-27 | 2022-12-27 | Venturi valve body forming process and forming device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211682872.1A CN115971320B (en) | 2022-12-27 | 2022-12-27 | Venturi valve body forming process and forming device |
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| CN115971320A true CN115971320A (en) | 2023-04-18 |
| CN115971320B CN115971320B (en) | 2023-06-20 |
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| DE102006014272B3 (en) * | 2006-03-28 | 2007-09-06 | Sungwoo Hitech Co., Ltd. | High pressure deforming-pressing system used in the production of front components and bumpers in the automobile industry comprises a fixed lower and upper molds, moving lower and upper molds and pressure injection devices |
| CN101893462A (en) * | 2010-06-28 | 2010-11-24 | 江阴市节流装置厂有限公司 | Extension-type Venturi tube and processing method and application method thereof |
| CN105728538A (en) * | 2016-03-22 | 2016-07-06 | 张国君 | Manufacturing system and method for Venturi valve |
| CN210650840U (en) * | 2019-09-23 | 2020-06-02 | 城步鑫瑞生态农业发展有限公司 | Kiwi fruit screening processingequipment |
| CN113275249A (en) * | 2021-06-22 | 2021-08-20 | 上海应用技术大学 | Device for sorting coating fixture sleeves |
| CN214555347U (en) * | 2020-12-25 | 2021-11-02 | 湖北鑫西能金属制品有限公司 | Reducing bar copper sorting device |
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2022
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Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102006014272B3 (en) * | 2006-03-28 | 2007-09-06 | Sungwoo Hitech Co., Ltd. | High pressure deforming-pressing system used in the production of front components and bumpers in the automobile industry comprises a fixed lower and upper molds, moving lower and upper molds and pressure injection devices |
| CN101893462A (en) * | 2010-06-28 | 2010-11-24 | 江阴市节流装置厂有限公司 | Extension-type Venturi tube and processing method and application method thereof |
| CN105728538A (en) * | 2016-03-22 | 2016-07-06 | 张国君 | Manufacturing system and method for Venturi valve |
| CN210650840U (en) * | 2019-09-23 | 2020-06-02 | 城步鑫瑞生态农业发展有限公司 | Kiwi fruit screening processingequipment |
| CN214555347U (en) * | 2020-12-25 | 2021-11-02 | 湖北鑫西能金属制品有限公司 | Reducing bar copper sorting device |
| CN113275249A (en) * | 2021-06-22 | 2021-08-20 | 上海应用技术大学 | Device for sorting coating fixture sleeves |
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| Publication number | Publication date |
|---|---|
| CN115971320B (en) | 2023-06-20 |
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Denomination of invention: A Forming Process and Forming Device for Venturi Valve Body Granted publication date: 20230620 Pledgee: Nanjing Bank Co.,Ltd. Nanjing North Branch Pledgor: JIANGSU AIDI ELECTROMECHANICAL EQUIPMENT INDUSTRY CO.,LTD. Registration number: Y2024980011128 |
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