CN119035613B - Drilling device and process for valve clack of regulating valve - Google Patents

Drilling device and process for valve clack of regulating valve Download PDF

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Publication number
CN119035613B
CN119035613B CN202411535835.7A CN202411535835A CN119035613B CN 119035613 B CN119035613 B CN 119035613B CN 202411535835 A CN202411535835 A CN 202411535835A CN 119035613 B CN119035613 B CN 119035613B
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China
Prior art keywords
rod
groove
driving
lifting
mounting plate
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CN202411535835.7A
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CN119035613A (en
Inventor
强美蓉
郎基豪
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Shanghai Yongtai Valve Co ltd
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Shanghai Yongtai Valve Co ltd
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Priority to CN202411535835.7A priority Critical patent/CN119035613B/en
Publication of CN119035613A publication Critical patent/CN119035613A/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23BTURNING; BORING
    • B23B41/00Boring or drilling machines or devices specially adapted for particular work; Accessories specially adapted therefor
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23BTURNING; BORING
    • B23B39/00General-purpose boring or drilling machines or devices; Sets of boring and/or drilling machines
    • B23B39/16Drilling machines with a plurality of working-spindles; Drilling automatons
    • B23B39/161Drilling machines with a plurality of working-spindles; Drilling automatons with parallel work spindles
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23BTURNING; BORING
    • B23B47/00Constructional features of components specially designed for boring or drilling machines; Accessories therefor
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23QDETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q3/00Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
    • B23Q3/02Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for mounting on a work-table, tool-slide, or analogous part
    • B23Q3/06Work-clamping means
    • B23Q3/062Work-clamping means adapted for holding workpieces having a special form or being made from a special material
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23QDETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q5/00Driving or feeding mechanisms; Control arrangements therefor
    • B23Q5/02Driving main working members
    • B23Q5/04Driving main working members rotary shafts, e.g. working-spindles
    • B23Q5/10Driving main working members rotary shafts, e.g. working-spindles driven essentially by electrical means

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Earth Drilling (AREA)

Abstract

The application discloses a drilling device and a drilling process for a valve clack of an adjusting valve, and relates to the field of valve clack processing, wherein the drilling device comprises a base, a clamping assembly for clamping and fixing the valve clack is arranged on the base, a mounting plate is arranged on the base in a lifting manner, a rotating plate is rotatably arranged on the mounting plate, a first drill rod and a second drill rod are arranged on the rotating plate, the first drill rod and the second drill rod are positioned on the same rotating track, the first drill rod is used for forming a first drilling hole, and the second drill rod is used for forming a second drilling hole; the clamping assembly comprises a clamping plate arranged on a base in a sliding mode and a driving piece for driving the clamping plate to slide, wherein three clamping plates are arranged on the clamping assembly, three sliding grooves are formed in the base corresponding to the three clamping plates, the clamping plates are connected in the corresponding sliding grooves in a sliding mode, and the driving piece drives the three clamping plates to slide synchronously. The application improves the convenience of valve clack processing, reduces the labor intensity and is beneficial to improving the processing efficiency.

Description

Drilling device and process for valve clack of regulating valve
Technical Field
The application relates to the field of valve clack machining, in particular to a drilling device and a drilling process for a valve clack of an adjusting valve.
Background
The regulating valve is used for regulating the technological parameters such as medium flow, pressure, temperature, liquid level and the like in the field of industrial automation process control, and automatically regulates the opening of the valve according to the control signal in the automation system, thereby realizing the regulation of the medium flow, pressure, temperature and liquid level.
Referring to fig. 1, a first drilling hole 401 and a second drilling hole 402 are formed in a valve flap 40 of the regulating valve, and during the processing of the valve flap 40, the valve flap is turned to be processed, and then the first drilling hole 401 and the second drilling hole 402 are processed. Because the diameters of the first drilling hole and the second drilling hole are different, in actual drilling operation, the first drilling hole is processed by the drilling machine, then the valve clack is transferred to another drilling machine to process the second drilling hole, and the valve clack is troublesome, needs to be transferred manually and is inconvenient.
Disclosure of Invention
In order to improve convenience in valve clack processing and reduce manual labor intensity, the application provides a drilling device and a drilling process for adjusting a valve clack.
The application provides a drilling device for a valve clack of an adjusting valve, which adopts the following technical scheme:
A drilling device for adjusting valve clacks comprises a base, a clamping assembly for clamping and fixing the valve clacks is arranged on the base, a mounting plate is arranged on the base in a lifting mode, a rotating plate is arranged on the mounting plate in a rotating mode, a first drill rod and a second drill rod are arranged on the rotating plate, the first drill rod and the second drill rod are located on the same rotating track, the first drill rod is used for forming a first drilling hole, the second drill rod is used for forming a second drilling hole, the clamping assembly comprises three clamping plates which are arranged on the base in a sliding mode and driving parts for driving the clamping plates to slide, the three clamping plates are distributed along a circumferential array, three sliding grooves are formed in the base, the clamping plates are connected in the corresponding sliding grooves in a sliding mode, and the driving parts drive the three clamping plates to slide synchronously.
By adopting the technical scheme, the valve clack is placed on the base and is positioned among the three clamping plates, the driving piece drives the three clamping plates to synchronously slide, the valve clack is clamped and fixed, the valve clack is positioned at the center position, the first drill rod is positioned above the valve clack, the mounting plate descends, namely, the first drill rod is driven to descend, the valve clack is drilled by the first drill rod, the first drill hole is formed, the rotating plate rotates after the first drill hole is formed, the second drill rod rotates to the position of the first drill rod, and because the first drill rod and the second drill rod are positioned on the same rotating track, the second drill rod can rotate to the first drill rod when the rotating plate rotates, then the mounting plate descends, the valve clack is drilled by the second drill rod, and the second drill hole is formed.
Preferably, the mounting groove has been seted up in the base, the driving piece sets up to the driving disk, the driving disk rotates and sets up in the mounting groove, it has three connecting rods to articulate on the driving disk, the pin joint of connecting rod and driving disk is eccentric setting with the centre of a circle of driving disk, three the connecting rod and three grip block one-to-one, the one end that the driving disk was kept away from to the connecting rod is articulated with the grip block that corresponds.
Through adopting above-mentioned technical scheme, the driving disk rotates, drives three connecting rods and removes, and three connecting rods drive the grip block and slide, realize three grip block's synchronous slip, can realize the centre gripping fixed to the valve clack.
The lower side of the mounting plate is rotatably provided with a rotating sleeve, the mounting plate is provided with a driving assembly for driving the rotating sleeve to rotate, a linkage rod is coaxially rotated in the rotating sleeve, the inner wall of the rotating sleeve is provided with a lifting groove along the vertical direction, the linkage rod is integrally provided with a lifting block, the lifting block is in sliding fit with the lifting groove, the rotating sleeve is positioned in the lifting groove and is provided with a compression spring, the compression spring is vertically arranged, the compression spring is positioned on the upper side of the lifting block, one end of the compression spring is connected with the lifting block, the other end of the compression spring is connected with the inner wall of the lifting groove, the lower sides of the linkage rod are laterally shifted and provided with locking blocks, the upper ends of the first drill rod and the second drill rod are coaxially fixed with linkage plates, the periphery edge of the linkage plates is provided with an inclined guide surface, the middle part of the linkage plates is provided with a dodging groove for dodging the linkage rod, and the locking groove is arranged at the edge of the dodging groove.
By adopting the technical scheme, in the initial state, the linkage rod is matched with the linkage disc on the first drill rod, the linkage rod and the first drill rod coaxially rotate, the driving assembly drives the rotating sleeve to rotate, the rotating sleeve drives the linkage rod to rotate, the linkage rod drives the first drill rod to rotate, the drilling operation of the first drill hole can be realized, after the first drill hole is formed, the locking block is reset into the linkage rod, the rotating plate rotates, the linkage rod is separated from the linkage disc on the first drill rod, then the linkage disc on the second drill rod is gradually matched with the linkage rod, the lower end of the linkage rod is contacted with the guide surface of the linkage disc at first, the linkage rod moves to the upper surface of the linkage disc along the guide surface until the linkage rod enters the avoidance groove, the linkage rod enters the locking groove outwards under the action of the compression spring, the coaxial matching of the linkage rod and the linkage disc on the second drill rod is realized, and the second drill hole can be formed.
Preferably, the mounting plate is provided with a driving rod in a lifting manner, the driving rod is vertically arranged, the driving rod stretches into the linkage rod, a sliding groove is formed in the side wall of the linkage rod, the locking block is in sliding fit with the sliding groove, a first wedge-shaped surface is formed at the lower end of the driving rod, a second wedge-shaped surface is formed at the end part of the locking block, the linkage rod is located in the sliding groove and is provided with a reset spring, the length direction of the reset spring is consistent with the sliding direction of the locking block, one end of the reset spring is connected with the inner wall of the sliding groove, and the other end of the reset spring is connected with the locking block.
Through the technical scheme, the linkage rod enters the avoidance groove of the linkage disc, then the driving rod descends, the locking block is driven to slide towards the outside of the linkage rod through the first wedge-shaped surface and the second wedge-shaped surface, the locking block is in plug-in fit with the locking groove on the linkage disc, coaxial rotation fit of the linkage rod and the linkage disc is achieved, after drilling operation is finished, the driving rod ascends, the locking block resets and is separated from the locking groove under the action of the reset spring, at the moment, the rotating plate rotates, and the linkage rod can be separated from the linkage disc.
Preferably, the mounting plate goes up and down to be provided with the connecting rod, the grafting groove has been seted up along vertical direction to the lower extreme of connecting rod, the upper end of actuating lever sets up and grafting groove grafting complex plug rod, the week side cover of plug rod is equipped with buffer spring, buffer spring's one end is connected with the actuating lever, buffer spring's the other end is connected with the connecting rod.
Through the technical scheme, the connecting rod descends, the driving rod can be driven to descend, and further sliding of the locking block is achieved, but in practice, the situation that the locking block outwards slides after the linkage rod enters the avoidance groove, but the locking block is not aligned with the locking groove, namely the locking block is dislocated with the locking groove, the locking block can be abutted with the inner wall of the avoidance groove, then the buffer spring is in a compressed state at the moment, then the buffer spring slowly rotates, the locking block can be gradually aligned with the locking groove in the rotating process, the buffer spring acts on the driving rod, the driving rod continuously drives the locking block to outwards slide, matching of the locking block and the locking groove is achieved, if the buffer spring is not arranged, the situation that clamping occurs when the connecting rod descends and normal use is affected when the locking block is not aligned with the locking groove.
Preferably, the driving assembly comprises a driving motor, a first sprocket, a second sprocket and a chain, wherein the driving motor is fixedly arranged in the mounting plate, the first sprocket is coaxially fixed on an output shaft of the driving motor, the second sprocket is coaxially fixed with the rotating sleeve, and the chain is wound on the first sprocket and the second sprocket.
Through adopting above-mentioned technical scheme, driving motor operation drives first sprocket and rotates, and first sprocket passes through the chain and drives the second sprocket and rotate, realizes rotating telescopic rotation, rotates telescopic through the gangway and drives the gangway rotation, realizes the rotation of first drilling rod or second drilling rod promptly.
Preferably, the mounting plate is internally provided with a containing groove, the mounting plate is rotatably connected with a first connecting shaft, the upper end of the first connecting shaft extends into the containing groove, the lower end of the first connecting shaft is coaxially fixed with a third sprocket wheel, the third sprocket wheel is matched with a chain, the upper end of the first connecting shaft is coaxially fixed with the first sprocket wheel, the mounting plate is further internally provided with a second connecting shaft, the second connecting shaft is coaxially fixed with a second sprocket wheel, a belt is wound on the first sprocket wheel and the second sprocket wheel, an eccentric rod is arranged on the lower side of the second sprocket wheel, a lifting plate is arranged below the second sprocket wheel, the mounting plate is provided with a guide post along the vertical direction, the lifting plate is in splicing sliding fit with the guide post, one end of the abutting spring is connected with the inner wall of the containing groove, the other end of the abutting spring is connected with the lifting plate, the upper side of the lifting plate is rotatably connected with a driving wheel, the eccentric rod is arranged on the eccentric plate, the eccentric rod is arranged at the lowest end of the lowest arc-shaped groove, and is in an arc-shaped groove, and the lowest arc-shaped groove is formed at the lowest end of the arc-shaped groove.
By adopting the technical scheme, after the lower end of the linkage column enters the avoidance groove, the driving motor is operated, the starting of the driving motor is soft start, namely the rotating speed of the driving motor gradually rises until reaching the rated rotating speed, when the driving motor rotates, the rotating sleeve rotates along with the rotating sleeve, under the cooperation of the chain and the third chain wheel, the third chain wheel drives the first belt wheel to rotate, the first belt wheel drives the second belt wheel to rotate through the belt, when the second belt wheel rotates, the eccentric rod slides in the arc groove and slides from the lowest end to the highest end of the arc groove, and because of the height difference between the lowest end and the highest end of the arc groove, the driving wheel descends, and drives the connecting rod to descend through the lifting plate, so that the locking block extends out of the sliding groove to realize locking with the linkage disc, and when the eccentric rod moves from the lowest end to the highest end of the arc groove, the eccentric rod drives the driving wheel to synchronously rotate.
The drilling process of the valve clack of the regulating valve adopts the drilling device, and comprises the following steps:
s1, placing a valve clack on a base, and clamping, fixing and centering the valve clack by three clamping plates;
s2, the mounting plate descends, the first drill rod drills the valve clack to form a first drill hole, and then the mounting plate resets;
S3, rotating the rotating plate, moving a second drill rod to the upper side of the valve clack, descending the mounting plate, drilling the valve clack by the second drill rod, and forming a second drilling hole;
s4, detaching the valve clack.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the first drilling hole is formed by the first drill rod, the second drilling hole is formed by the second drill rod, and in the process, the switching of the first drill rod and the second drill rod can be realized through the rotation of the rotating plate, so that the valve clack is not required to be transported, the operation is more convenient, and the manual labor intensity is reduced;
2. The valve clack is clamped and fixed by utilizing synchronous sliding of the three clamping plates, and the three clamping plates can realize positioning of the valve clack position, so that the drilling position is always right below the drill rod;
3. The driving sources of the first drill rod and the second drill rod are the same driving motor, after switching, the linkage rod can enter the avoidance groove of the corresponding drill rod linkage disc, then the driving motor is started in a soft mode, at the moment, the driving rod descends to drive the locking block to slide outwards and match with the locking groove on the linkage disc, coaxial running fit of the linkage rod linkage disc is achieved, and rotation of the drill rod can be achieved.
Drawings
FIG. 1 is a schematic cross-sectional view of a valve flap of a regulator valve;
FIG. 2 is a schematic diagram of the overall structure of an embodiment of the present application;
FIG. 3 is a schematic cross-sectional view of a base of an embodiment of the present application, mainly showing the structure of a drive disk;
FIG. 4 is a schematic view of a part of the structure of an embodiment of the present application, mainly showing the structure of a connecting rod;
FIG. 5 is a schematic cross-sectional view of a rotatable sleeve according to an embodiment of the present application;
FIG. 6 is an enlarged view of a portion of FIG. 5A;
FIG. 7 is a schematic view of a linkage disc according to an embodiment of the present application;
FIG. 8 is a schematic cross-sectional view of a mounting plate according to an embodiment of the present application;
fig. 9 is a schematic view of a part of the structure of an embodiment of the present application, mainly showing the structure of the eccentric rod and the arc-shaped groove.
Reference numeral 1, a base; 11, a screw rod sliding table; 12, a sliding groove; 13, mounting groove, 131, rotating shaft, 2, clamping assembly, 21, clamping plate, 22, driving disc, 221, connecting rod, 3, mounting plate, 31, containing groove, 32, first connecting shaft, 33, third sprocket, 34, first pulley, 35, second connecting shaft, 36, second pulley, 361, eccentric rod, 37, belt, 38, guide post, 381, abutment spring, 4, rotating plate, 41, first drill rod, 42, second drill rod, 5, rotating sleeve, 51, lifting groove, 52, compression spring, 6, driving assembly, 61, driving motor, 62, first sprocket, 63, second sprocket, 64, chain, 7, linkage rod, 71, lifting block, 72, chute, 721, annular groove, 73, locking block, 731, second wedge surface, 732, annular plate, 74, return spring, 8, disc, 81, guide surface, 82, dodging groove, 83, locking groove, 9, driving rod, 91, first wedge surface, 92, plug rod, 93, buffer spring, 10, 62, first sprocket, 63, second sprocket, lifting groove, 101, lifting groove, 30, drilling groove, 401, drilling groove, 401.
Detailed Description
The present application is described in further detail below with reference to fig. 2-9.
The embodiment of the application discloses a drilling device and a drilling process for a valve clack of an adjusting valve.
Referring to fig. 2, the drilling device for the valve clack of the regulating valve comprises a base 1, wherein a clamping assembly 2 for clamping and fixing the valve clack is arranged on the base 1, the clamping assembly 2 comprises three clamping plates 21 and a driving piece for driving the three clamping plates 21 to slide synchronously, a screw rod sliding table 11 is arranged on the base 1 along the vertical direction, a mounting plate 3 is arranged on the sliding table of the screw rod sliding table 11, namely, the mounting plate 3 is lifted on the base 1, a rotating plate 4 is rotatably connected on the mounting plate 3, a rotating cylinder is arranged in the mounting plate 3 and drives the rotating plate 4 to rotate, the rotating cylinder is not shown in the figure, a first drill rod 41 and a second drill rod 42 are arranged on the rotating plate 4, the first drill rod 41 is used for forming a first drilling hole, the second drill rod 42 is used for forming a second drilling hole, and the first drill rod 41 and the second drill rod 42 are located on the same rotating track.
The valve clack is placed on the base 1 and is located among the three clamping plates 21, the three clamping plates 21 slide synchronously, clamping and fixing of the valve clack can be achieved, centering of the valve clack can be achieved, then the mounting plate 3 descends, the rotation is driven to descend, the first drill rod 41 works first, the first drill rod 41 is formed, after the first drill rod 41 is formed, the mounting plate 3 resets, the rotating plate 4 rotates for 180 degrees, the second drill rod 42 moves to the upper portion of the valve clack, the mounting plate 3 drives the second drill rod 42 to descend, and the second drill hole is formed. The drilling device can be used for forming the first drilling hole and the second drilling hole at one time, the valve clack does not need to be transported in the middle, the drilling device is more convenient and fast, the labor intensity of workers is reduced, and the machining efficiency is improved.
Referring to fig. 2, 3 and 4, the three clamping plates 21 are distributed in a circumferential array, three sliding grooves 12 are formed on the surface of the base 1 corresponding to the three clamping plates 21, and the clamping plates 21 are slidably connected in the corresponding sliding grooves 12. The base 1 is internally provided with a mounting groove 13, a driving piece is arranged as a driving disc 22, a rotating shaft 131 is rotationally connected in the mounting groove 13 along the vertical direction, the driving disc 22 is coaxially arranged on the rotating shaft 131, the rotating shaft 131 is driven to rotate by a rotating cylinder, the rotating cylinder is not shown in the drawing, the driving disc 22 is hinged with three connecting rods 221, the three connecting rods 221 and the three clamping plates 21 are in one-to-one correspondence, one end of each connecting rod 221, far away from the driving disc 22, is hinged with the corresponding clamping plate 21, and a hinge point of each connecting rod 221 and the driving disc 22 is eccentrically arranged with the center of the circle of the driving disc 22. The rotary cylinder drives the rotary shaft 131 to rotate, drives the driving disc 22 to rotate, moves along with the driving disc, and drives the three clamping plates 21 to synchronously slide, so that the clamping and fixing of the valve clack can be realized.
Referring to fig. 2, 5 and 6, a rotating sleeve 5 is rotatably connected to the lower side of a mounting plate 3, a driving assembly 6 for driving the rotating sleeve 5 to rotate is arranged on the mounting plate 3, a linkage rod 7 is arranged in the rotating sleeve 5, lifting grooves 51 are formed in the inner wall of the rotating sleeve 5 along the vertical direction, two lifting grooves 51 are formed in the lifting groove 51, the two lifting grooves 51 are oppositely arranged, two lifting blocks 71 are integrally formed in the linkage rod 7, the two lifting blocks 71 are in one-to-one correspondence with the two lifting grooves 51, the lifting blocks 71 are inserted into the corresponding lifting grooves 51, and sliding fit is formed between the lifting blocks 71 and the lifting grooves 51 in the vertical direction. Through the cooperation of lifting block 71 and lift groove 51, realize the coaxial rotation and the cooperation of lifting slip of gangbar 7 and rotation sleeve 5, the lower extreme of gangbar 7 wears out rotation sleeve 5 setting, and the lower extreme of gangbar 7 is slick and sly sphericity. The compression spring 52 is installed in the lifting groove 51 by the rotation sleeve 5, the compression spring 52 is vertically arranged, the compression spring 52 is located on the upper side of the lifting block 71, one end of the compression spring 52 is connected with the lifting block 71, and the other end of the compression spring 52 is connected with the inner wall of the lifting groove 51. The lower extreme lateral wall of gangbar 7 has seted up spout 72, and spout 72 is provided with two and is the relative setting, and gangbar 7 is located spout 72 internal sliding and is provided with locking piece 73.
Referring to fig. 2, 6 and 7, the upper ends of the first drill rod 41 and the second drill rod 42 are coaxially fixed with a linkage disc 8, an inclined guide surface 81 is formed on the peripheral edge of the linkage disc 8, an avoidance groove 82 for avoiding the linkage rod 7 is formed in the middle of the linkage disc 8, the avoidance groove 82 is in a concave spherical shape, two locking grooves 83 are formed in the edge of the linkage disc 8 located in the avoidance groove 82, and the two locking grooves 83 and the two locking blocks 73 are in one-to-one correspondence. When the linkage rod 7 enters the avoidance groove 82, the locking block 73 slides outwards and is in plug-in fit with the locking groove 83.
In the initial state, the lower end of the linkage rod 7 is positioned in the avoidance groove 82 of the linkage disc 8 of the first drill rod 41, when the driving motor 61 drives the rotation sleeve 5 to rotate, the locking block 73 slides outwards and is in plug-in fit with the locking groove 83, the locking block 73 is matched with the locking groove 83 to realize the coaxial rotation fit of the linkage rod 7 and the first drill rod 41, the rotation sleeve 5 drives the first drill rod 41 to rotate through the linkage rod 7 to realize the forming of a first drilling hole, after the first drill rod 41 is formed, the first drill rod 41 is separated from the valve clack, the rotation sleeve 5 stops rotating, at the moment, the locking block 73 slides and is separated from the locking groove 83, the rotation plate 4 rotates, the second drill rod 42 rotates to the position of the first drill rod 41, the lower end of the linkage rod 7 firstly contacts with the guide surface 81 of the linkage disc 8, the linkage rod 7 moves to the upper surface of the linkage disc 8 along the guide surface 81 of the linkage disc 8 until entering the avoidance groove 82, the lifting of the linkage rod 7 is realized through the action of the compression spring 52, then the driving assembly 6 drives the rotation sleeve 5 to rotate, the locking block 73 enters the locking groove 83 to realize the coaxial rotation fit of the linkage rod 7 and the second drill rod 42, and then the forming operation can be performed.
Referring to fig. 5 and 6, the mounting plate 3 is provided with a driving rod 9 in a lifting manner, the driving rod 9 is vertically arranged, the driving rod 9 extends into the linkage rod 7, a first wedge-shaped surface 91 is formed at the lower end of the driving rod 9, a second wedge-shaped surface 731 is formed at one end of each of the two locking blocks 73, and when the driving rod 9 descends, sliding of the two locking blocks 73 can be achieved through cooperation of the first wedge-shaped surface 91 and the second wedge-shaped surface 731. The annular groove 721 is further formed in the periphery of the sliding groove 72 of the linkage rod 7, the annular plate 732 is integrally formed in the periphery of the locking block 73, the reset spring 74 is arranged in the annular groove 721 of the linkage rod 7, one end of the reset spring 74, which is consistent with the sliding direction of the locking block 73 in the length direction, is connected with the annular plate 732, and the other end of the reset spring 74 is connected with the inner wall of the annular groove 721. The driving rod 9 descends, the locking block 73 slides outwards to be matched with the locking groove 83, and after the driving rod 9 ascends, the locking block 73 is reset and separated from the locking groove 83 under the action of the reset spring 74.
The mounting panel 3 goes up and down to be provided with connecting rod 10, and the lower extreme of connecting rod 10 has seted up grafting groove 101 along vertical direction, and the upper end integrated into one piece of actuating lever 9 has grafting pole 92, and grafting pole 92 is pegged graft and is slided the cooperation with grafting groove 101, and the week side cover of grafting pole 92 is equipped with buffer spring 93, and buffer spring 93's one end is connected with actuating lever 9, and buffer spring 93's the other end is connected with connecting rod 10. In practice the following may be the case:
1) After the linkage rod 7 enters the avoidance groove 82, the locking block 73 slides outwards, but the locking block 73 is not aligned with the locking groove 83, namely, the locking block 73 is dislocated with the locking groove 83, the locking block 73 is abutted with the inner wall of the avoidance groove 82, namely, the locking block 73 slides to form smaller, the descending stroke of the connecting rod 10 is unchanged, namely, the descending stroke of the driving rod 9 is reduced at the moment, and the buffer spring 93 is in a compressed state. When the rotating sleeve 5 rotates, the rotating sleeve 5 drives the linkage rod 7 to rotate, the locking block 73 is gradually aligned with the locking groove 83, and when the locking block is aligned, the buffer spring 93 rapidly acts on the driving rod 9, the driving rod 9 descends, and the sliding block is driven to slide outwards to be in plug-in fit with the locking groove 83.
2) After the lower end of the linkage rod 7 contacts with the guide surface 81 of the linkage disc 8, the linkage rod 7 can slide upwards, namely the driving rod 9 slides downwards relative to the linkage rod 7, the locking block 73 can slide outwards at the moment, and when the lower end of the linkage rod 7 slides on the surface of the linkage disc 8 and does not enter the avoidance groove 82, the locking block 73 is always in an extending state, after the lower end of the linkage rod 7 enters the avoidance groove 82, the linkage rod 7 slides downwards under the action of the compression spring 52, if the locking block 73 abuts against the edge of the notch of the avoidance groove 82 at the moment, so that the linkage rod 7 cannot slide downwards, when the subsequent rotating sleeve 5 rotates, the linkage rod 7 rotates, when the linkage rod 7 rotates, if the locking block 73 rotates to the locking groove 83, the linkage rod 7 descends into the avoidance groove 82 under the action of the compression spring 52, the locking block 73 also enters the locking groove 83, and coaxial rotating fit of the linkage rod 7 and the linkage disc 8 can be realized.
That is, the structural design of the application can automatically solve the problems when the rotating sleeve 5 rotates when the two conditions are generated.
Referring to fig. 2, 5 and 8, the mounting plate 3 is provided therein with a receiving groove 31, the driving assembly 6 includes a driving motor 61, a first sprocket 62, a second sprocket 63 and a chain 64, the driving motor 61 is fixedly mounted in the receiving groove 31, the driving motor 61 is vertically downwardly disposed, the first sprocket 62 is coaxially fixed on an output shaft of the driving motor 61, the second sprocket 63 is coaxially fixed with the rotating sleeve 5, and the chain 64 is wound on the first sprocket 62 and the second sprocket 63. The driving motor 61 is started in a soft start manner, i.e. the rotational speed of the driving motor 61 is gradually accelerated from zero to the rated rotational speed. The driving motor 61 operates to drive the first sprocket 62 to rotate, and the rotation of the second sprocket 63, that is, the rotation of the rotating sleeve 5, is achieved through the chain 64.
The lower side of the mounting plate 3 is rotatably connected with a first connecting shaft 32, the upper end of the first connecting shaft 32 stretches into the accommodating groove 31, a third chain wheel 33 is coaxially fixed at the lower end of the first connecting shaft 32, the third chain wheel 33 is meshed with a chain 64, a first belt wheel 34 is coaxially fixed at the upper end of the first connecting shaft 32, the mounting plate 3 is positioned in the accommodating groove 31 and is fixedly provided with a second connecting shaft 35, a second belt wheel 36 is coaxially fixed on the second connecting shaft 35, a belt 37 is wound on the first belt wheel 34 and the second belt wheel 36, an eccentric rod 361 is fixedly arranged at the lower side of the second belt wheel 36, the eccentric rod 361 and the second belt wheel 36 are eccentrically arranged, the mounting plate 3 is in the accommodating groove 31 and is in lifting sliding movement with a lifting plate 20, the lifting plate 20 is positioned at the lower side of the second belt wheel 36, the mounting plate 3 is in the accommodating groove 31 and is fixedly provided with guide posts 38, the guide posts 38 are vertically arranged, two guide posts 38 are arranged, two ends of the lifting plate 20 are spliced and the two guide posts 38 are in sliding movement fit, the guide posts 38 are sleeved with abutting springs 381, the abutting springs are abutted against the lower sides of the lifting plate 20 and the inner walls of the lifting plate 381 are abutted against the inner walls of the connecting plates 10, and the other ends of the connecting plates are fixedly connected with the lifting plate 381, and the inner ends of the lifting plate 20 are abutted against the connecting rods 10.
Referring to fig. 8 and 9, the driving wheel 30 is rotatably connected to the upper side of the lifting plate 20, an arc groove 301 is formed in the driving wheel 30, the curvature center of the arc groove 301 is located at the center of the driving wheel 30, the bottom wall of the arc groove 301 is wedge-shaped, that is, two ends of the arc groove 301 are respectively the lowest end and the highest end, the eccentric rod 361 extends into the arc groove 301 and is in sliding fit with the arc groove 301, and in an initial state, the eccentric rod 361 is located at the lowest end of the arc groove 301.
When the lower end of the linkage column enters the avoidance groove 82, the driving motor 61 drives the rotation sleeve 5 to rotate along with the rotation sleeve, meanwhile, the third chain wheel 33 rotates, the third chain wheel 33 drives the first belt wheel 34 to rotate, the first belt wheel 34 drives the second belt wheel 36 to rotate through the belt 37, when the second belt wheel 36 rotates, the eccentric rod 361 slides in the arc-shaped groove 301 of the driving wheel 30 and slides from the lowest end to the highest end of the arc-shaped groove 301, then the second belt wheel 36 drives the driving wheel 30 to synchronously rotate, when the eccentric rod 361 slides from the lowest end to the highest end of the arc-shaped groove 301, the driving wheel 30 descends due to the fact that the height difference exists between the lowest end and the highest end, the connecting rod 10 is driven to descend through the lifting plate 20, sliding of the locking block 73 is achieved, the locking block 73 slides and is matched with the locking groove 83, coaxial running fit of the linkage rod 7 and the linkage disc 8 is achieved, and then the drilling rod can be driven to rotate. When the drilling is finished, the driving motor 61 stops rotating, at this time, the abutting spring 381 acts on the lifting plate 20, the lifting plate 20 rises, the eccentric rod 361 is reset to the lowest end of the arc-shaped groove 301, and the driving rod 9 also rises along with the lifting locking block 73 to retract into the linkage rod 7 under the action of the reset spring 74 and is separated from the locking groove 83.
The drilling device for the valve clack of the regulating valve is implemented by placing the valve clack on a base 1 and between three clamping plates 21, driving a disc 22 to rotate to drive the three clamping plates 21 to slide in opposite directions, clamping and fixing the valve clack, starting a driving motor 61, coaxially rotating and matching a linkage rod 7 and a first drill rod 41 at the moment, rotating a rotating sleeve 5 to further realize the rotation of the first drill rod 41, lowering a mounting plate 3 to realize the formation of a first drilling hole of the valve clack, lifting the mounting plate 3 after the formation, stopping the driving motor 61, coaxially rotating and matching the linkage rod 7 and the first drill rod 41, rotating a rotating plate 4, moving a second drill rod 42 to the lower side of the linkage rod 7, starting the driving motor 61, coaxially rotating and matching the linkage rod 7 and the second drill rod 42 at the moment, and lowering the mounting plate 3 to realize the formation of a second drilling hole of the valve clack. Through the drilling device, the first drilling hole and the second drilling hole can be formed at one time, the drilling device is quicker, the valve clack does not need to be transported, the labor intensity is reduced, and the processing efficiency is improved.
The drilling process of the valve clack of the regulating valve adopts the drilling device and comprises the following steps:
s1, placing a valve clack on a base 1, and clamping, fixing and centering the valve clack by three clamping plates 21;
S2, the mounting plate 3 descends, the first drill rod 41 drills the valve clack to form a first drill hole, and then the mounting plate 3 resets;
S3, rotating the rotating plate 4, moving the second drill rod 42 to the upper part of the valve clack, descending the mounting plate 3, and drilling the valve clack by the second drill rod 42 to form a second drilling hole;
s4, detaching the valve clack.
The above embodiments are not intended to limit the scope of the application, so that the equivalent changes of the structure, shape and principle of the application are covered by the scope of the application.

Claims (7)

1.一种调节阀阀瓣的钻孔装置,其特征在于:包括基座(1),所述基座(1)上设置有对阀瓣进行夹持固定的夹持组件(2),所述基座(1)上升降设置有安装板(3),所述安装板(3)上转动设置有转动板(4),所述转动板(4)上设置有第一钻杆(41)和第二钻杆(42),所述第一钻杆(41)和第二钻杆(42)位于同一转动轨迹上,所述第一钻杆(41)用于成型第一钻孔,所述第二钻杆(42)用于成型第二钻孔;所述夹持组件(2)包括滑移设置在基座(1)上的夹持板(21)和驱动夹持板(21)滑移的驱动件,所述夹持板(21)设置有三个且沿圆周阵列分布,所述基座(1)对应三个夹持板(21)上开设有三个滑移槽(12),所述夹持板(21)滑移连接在对应的滑移槽(12)内,所述驱动件驱动三个夹持板(21)同步滑移;1. A drilling device for a regulating valve flap, characterized in that: it comprises a base (1), the base (1) is provided with a clamping assembly (2) for clamping and fixing the valve flap, the base (1) is provided with a mounting plate (3) for lifting and lowering, the mounting plate (3) is provided with a rotating plate (4) for rotating, the rotating plate (4) is provided with a first drill rod (41) and a second drill rod (42), the first drill rod (41) and the second drill rod (42) are located on the same rotation track, and the first drill rod (41) is used for forming a first drilling hole, the second drilling rod (42) being used for forming a second drilling hole; the clamping assembly (2) comprising a clamping plate (21) slidably arranged on the base (1) and a driving member driving the clamping plate (21) to slide, the clamping plates (21) being provided with three and distributed in a circumferential array, the base (1) being provided with three sliding grooves (12) corresponding to the three clamping plates (21), the clamping plates (21) being slidably connected in the corresponding sliding grooves (12), and the driving member driving the three clamping plates (21) to slide synchronously; 所述安装板(3)的下侧转动设置有转动套筒(5),所述安装板(3)上设置有驱动转动套筒(5)转动的驱动组件(6);所述转动套筒(5)内同轴转动有联动杆(7),所述转动套筒(5)的内壁沿竖直方向开设有升降槽(51),所述联动杆(7)上一体成型有升降块(71),所述升降块(71)与升降槽(51)滑移配合,所述转动套筒(5)位于升降槽(51)内设置有压缩弹簧(52),所述压缩弹簧(52)呈竖直设置,所述压缩弹簧(52)位于升降块(71)的上侧,所述压缩弹簧(52)的一端与升降块(71)连接,所述压缩弹簧(52)的另一端与升降槽(51)的内壁连接;所述联动杆(7)的下侧滑移设置有锁定块(73),所述第一钻杆(41)和第二钻杆(42)的上端均同轴固定有联动盘(8),所述联动盘(8)的周侧缘边形成有倾斜状的引导面(81),所述联动盘(8)的中部开设有避让联动杆(7)的避让槽(82),所述联动盘(8)位于避让槽(82)的缘边开设有锁定槽(83),当所述联动杆(7)进入避让槽(82)时,所述锁定块(73)向外滑移并与锁定槽(83)插接配合。A rotating sleeve (5) is rotatably arranged on the lower side of the mounting plate (3), and a driving assembly (6) for driving the rotating sleeve (5) to rotate is arranged on the mounting plate (3); a linkage rod (7) is coaxially rotatable inside the rotating sleeve (5), a lifting groove (51) is provided on the inner wall of the rotating sleeve (5) in the vertical direction, a lifting block (71) is integrally formed on the linkage rod (7), and the lifting block (71) is slidably matched with the lifting groove (51), and a compression spring (52) is arranged inside the lifting groove (51) of the rotating sleeve (5), and the compression spring (52) is vertically arranged, and the compression spring (52) is located on the upper side of the lifting block (71), and one end of the compression spring (52) is in contact with the lifting groove (51). The first drill rod (41) and the second drill rod (42) are connected to each other with a lifting block (71), and the other end of the compression spring (52) is connected to the inner wall of the lifting groove (51); a locking block (73) is slidably arranged on the lower side of the linkage rod (7); a linkage disk (8) is coaxially fixed to the upper ends of the first drill rod (41) and the second drill rod (42); an inclined guiding surface (81) is formed on the peripheral edge of the linkage disk (8); a avoiding groove (82) for avoiding the linkage rod (7) is provided in the middle of the linkage disk (8); a locking groove (83) is provided on the edge of the linkage disk (8) located at the avoiding groove (82); when the linkage rod (7) enters the avoiding groove (82), the locking block (73) slides outward and is plugged into and matched with the locking groove (83). 2.根据权利要求1所述的一种调节阀阀瓣的钻孔装置,其特征在于:所述基座(1)内开设有安装槽(13),所述驱动件设置为驱动盘(22),所述驱动盘(22)转动设置在安装槽(13)内,所述驱动盘(22)上铰接有三个连杆(221),所述连杆(221)和驱动盘(22)的铰接点与驱动盘(22)的圆心呈偏心设置,三个所述连杆(221)与三个夹持板(21)一一对应,所述连杆(221)远离驱动盘(22)的一端与对应的夹持板(21)铰接。2. A drilling device for a regulating valve disc according to claim 1, characterized in that: a mounting groove (13) is opened in the base (1), the driving member is configured as a driving disk (22), the driving disk (22) is rotatably disposed in the mounting groove (13), three connecting rods (221) are hinged on the driving disk (22), and the hinge point between the connecting rod (221) and the driving disk (22) is eccentrically disposed with respect to the center of the driving disk (22), the three connecting rods (221) correspond one to one with the three clamping plates (21), and one end of the connecting rod (221) away from the driving disk (22) is hinged to the corresponding clamping plate (21). 3.根据权利要求1所述的一种调节阀阀瓣的钻孔装置,其特征在于:所述安装板(3)上升降设置有驱动杆(9),所述驱动杆(9)呈竖直设置,所述驱动杆(9)伸入联动杆(7)内,所述联动杆(7)的侧壁开设有滑槽(72),所述锁定块(73)与滑槽(72)滑移配合;所述驱动杆(9)的下端形成有第一楔形面(91),所述锁定块(73)的端部形成有第二楔形面(731),所述联动杆(7)位于滑槽(72)内设置有复位弹簧(74),所述复位弹簧(74)的长度方向与锁定块(73)的滑移方向一致,所述复位弹簧(74)的一端与滑槽(72)的内壁连接,所述复位弹簧(74)的另一端和锁定块(73)连接。3. A drilling device for a regulating valve disc according to claim 1, characterized in that: a driving rod (9) is lifted and lowered on the mounting plate (3), the driving rod (9) is vertically arranged, the driving rod (9) extends into the linkage rod (7), the side wall of the linkage rod (7) is provided with a slide groove (72), and the locking block (73) slides and cooperates with the slide groove (72); a first wedge surface (91) is formed at the lower end of the driving rod (9), and a second wedge surface (731) is formed at the end of the locking block (73); a return spring (74) is arranged in the slide groove (72) of the linkage rod (7), the length direction of the return spring (74) is consistent with the sliding direction of the locking block (73), one end of the return spring (74) is connected to the inner wall of the slide groove (72), and the other end of the return spring (74) is connected to the locking block (73). 4.根据权利要求3所述的一种调节阀阀瓣的钻孔装置,其特征在于:所述安装板(3)上升降设置有连接杆(10),所述连接杆(10)的下端沿竖直方向开设有插接槽(101),所述驱动杆(9)的上端设置与插接槽(101)插接配合的插接杆(92),所述插接杆(92)的周侧套设有缓冲弹簧(93),所述缓冲弹簧(93)的一端与驱动杆(9)连接,所述缓冲弹簧(93)的另一端与连接杆(10)连接。4. A drilling device for a regulating valve flap according to claim 3, characterized in that: a connecting rod (10) is arranged on the mounting plate (3) for lifting and lowering, and a plug-in groove (101) is provided at the lower end of the connecting rod (10) in the vertical direction, and a plug-in rod (92) is provided at the upper end of the driving rod (9) for plugging and matching with the plug-in groove (101), and a buffer spring (93) is sleeved on the circumference of the plug-in rod (92), one end of the buffer spring (93) is connected to the driving rod (9), and the other end of the buffer spring (93) is connected to the connecting rod (10). 5.根据权利要求4所述的一种调节阀阀瓣的钻孔装置,其特征在于:所述驱动组件(6)包括驱动电机(61)、第一链轮(62)、第二链轮(63)和链条(64),所述驱动电机(61)固定安装在安装板(3)内,所述第一链轮(62)同轴固定在驱动电机(61)的输出轴上,所述第二链轮(63)与转动套筒(5)同轴固定,所述链条(64)绕设在第一链轮(62)和第二链轮(63)上。5. A drilling device for a regulating valve disc according to claim 4, characterized in that: the driving assembly (6) includes a driving motor (61), a first sprocket (62), a second sprocket (63) and a chain (64), the driving motor (61) is fixedly installed in the mounting plate (3), the first sprocket (62) is coaxially fixed on the output shaft of the driving motor (61), the second sprocket (63) is coaxially fixed with the rotating sleeve (5), and the chain (64) is wound around the first sprocket (62) and the second sprocket (63). 6.根据权利要求5所述的一种调节阀阀瓣的钻孔装置,其特征在于:所述安装板(3)内开设有容纳槽(31),所述安装板(3)上转动连接有第一连接轴(32),所述第一连接轴(32)的上端伸入容纳槽(31)内,所述第一连接轴(32)的下端同轴固定有第三链轮(33),所述第三链轮(33)与链条(64)配合,所述第一连接轴(32)的上端同轴固定有第一带轮(34),所述安装板(3)在容纳槽(31)内还安装有第二连接轴(35),所述第二连接轴(35)上同轴固定有第二带轮(36),所述第一带轮(34)和第二带轮(36)上绕设有皮带(37),所述第二带轮(36)的下侧偏心设置有偏心杆(361),所述安装板(3)位于第二带轮(36)的下方设置有升降板(20),所述安装板(3)位于容纳槽(31)沿竖直方向设置有导向柱(38),所述升降板(20)与导向柱(38)插接滑移配合,所述导向柱(38)上套设有抵接弹簧(381),所述抵接弹簧(381)的一端与容纳槽(31)的内壁连接,所述抵接弹簧(381)的另一端与升降板(20)连接;所述升降板(20)的上侧转动连接有驱动轮(30),所述驱动轮(30)上开设有弧形槽(301),所述弧形槽(301)的曲率中心位于驱动轮(30)的圆心处,所述弧形槽(301)的底壁呈楔形状,所述弧形槽(301)的两端分别为最低端和最高端,所述偏心杆(361)伸入弧形槽(301)内并与弧形槽(301)滑移配合;初始状态下,偏心杆(361)位于弧形槽(301)的最低端,当第二带轮(36)转动,偏心杆(361)在从弧形槽(301)的最低端滑移至最高端,此时驱动轮(30)带动升降板(20)下降;所述连接杆(10)的上端与升降板(20)固定连接。6. A drilling device for a regulating valve flap according to claim 5, characterized in that: a receiving groove (31) is provided in the mounting plate (3), a first connecting shaft (32) is rotatably connected to the mounting plate (3), the upper end of the first connecting shaft (32) extends into the receiving groove (31), a third sprocket (33) is coaxially fixed to the lower end of the first connecting shaft (32), the third sprocket (33) cooperates with the chain (64), a first pulley (34) is coaxially fixed to the upper end of the first connecting shaft (32), and the mounting plate (3) A second connecting shaft (35) is also installed in the receiving groove (31), a second pulley (36) is coaxially fixed on the second connecting shaft (35), a belt (37) is wound around the first pulley (34) and the second pulley (36), an eccentric rod (361) is eccentrically arranged at the lower side of the second pulley (36), a lifting plate (20) is arranged on the mounting plate (3) below the second pulley (36), a guide column (38) is arranged on the mounting plate (3) in the vertical direction of the receiving groove (31), and the lifting plate (20) is arranged on the lower side of the second pulley (36). ) is plugged and slidably matched with the guide column (38), the guide column (38) is sleeved with a contact spring (381), one end of the contact spring (381) is connected to the inner wall of the accommodating groove (31), and the other end of the contact spring (381) is connected to the lifting plate (20); the upper side of the lifting plate (20) is rotatably connected with a driving wheel (30), the driving wheel (30) is provided with an arc groove (301), the curvature center of the arc groove (301) is located at the center of the circle of the driving wheel (30), and the bottom of the arc groove (301) is The wall is wedge-shaped, and the two ends of the arc groove (301) are respectively the lowest end and the highest end. The eccentric rod (361) extends into the arc groove (301) and slides with the arc groove (301); in the initial state, the eccentric rod (361) is located at the lowest end of the arc groove (301), and when the second pulley (36) rotates, the eccentric rod (361) slides from the lowest end of the arc groove (301) to the highest end, and at this time, the driving wheel (30) drives the lifting plate (20) to descend; the upper end of the connecting rod (10) is fixedly connected to the lifting plate (20). 7.一种调节阀阀瓣的钻孔工艺,采用权利要求1-6中任一项所述的调节阀阀瓣的钻孔装置,步骤如下:7. A process for drilling a regulating valve flap, using the regulating valve flap drilling device according to any one of claims 1 to 6, the steps being as follows: S1:将阀瓣放置在基座(1)上,三个夹持板(21)对阀瓣夹持固定并对中;S1: The valve disc is placed on the base (1), and three clamping plates (21) clamp and fix the valve disc and align it; S2:安装板(3)下降,第一钻杆(41)对阀瓣进行钻孔作业,成型第一钻孔,而后安装板(3)复位;S2: the mounting plate (3) is lowered, the first drill rod (41) performs a drilling operation on the valve disc to form a first drill hole, and then the mounting plate (3) is reset; S3:转动板(4)转动,第二钻杆(42)移动至阀瓣的上方,安装板(3)下降,第二钻杆(42)对阀瓣进行钻孔作业,成型第二钻孔;S3: the rotating plate (4) rotates, the second drill rod (42) moves to the top of the valve disc, the mounting plate (3) descends, and the second drill rod (42) performs a drilling operation on the valve disc to form a second drill hole; S4:拆卸阀瓣。S4: Remove the valve disc.
CN202411535835.7A 2024-10-31 2024-10-31 Drilling device and process for valve clack of regulating valve Active CN119035613B (en)

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Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB379682A (en) * 1931-04-16 1932-08-16 Jean Gobin Dit Daude Improvements in or relating to punching or drilling and rivetting machines
CN209830335U (en) * 2019-04-12 2019-12-24 浙江展旭德自控阀门有限公司 Novel drilling equipment for butterfly valve clack

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB433378A (en) * 1934-02-14 1935-08-14 Alfred Herbert Light drilling machines
KR101404467B1 (en) * 2012-05-30 2014-06-10 삼진산업 주식회사 Automatic drilling machine for flap door

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB379682A (en) * 1931-04-16 1932-08-16 Jean Gobin Dit Daude Improvements in or relating to punching or drilling and rivetting machines
CN209830335U (en) * 2019-04-12 2019-12-24 浙江展旭德自控阀门有限公司 Novel drilling equipment for butterfly valve clack

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