CN113976950B - Hole position deviation prevention valve ball machining center drilling device and positioning method thereof - Google Patents
Hole position deviation prevention valve ball machining center drilling device and positioning method thereof Download PDFInfo
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- CN113976950B CN113976950B CN202111376562.2A CN202111376562A CN113976950B CN 113976950 B CN113976950 B CN 113976950B CN 202111376562 A CN202111376562 A CN 202111376562A CN 113976950 B CN113976950 B CN 113976950B
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- 238000005553 drilling Methods 0.000 title claims abstract description 79
- 238000000034 method Methods 0.000 title claims abstract description 18
- 230000002265 prevention Effects 0.000 title claims abstract description 8
- 238000012545 processing Methods 0.000 claims abstract description 42
- 230000005540 biological transmission Effects 0.000 claims description 45
- 230000001681 protective effect Effects 0.000 claims description 29
- 238000003754 machining Methods 0.000 claims description 13
- 230000002457 bidirectional effect Effects 0.000 claims description 9
- 230000000694 effects Effects 0.000 claims description 7
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 230000003014 reinforcing effect Effects 0.000 claims description 3
- 230000001360 synchronised effect Effects 0.000 claims description 3
- 238000000926 separation method Methods 0.000 claims description 2
- 238000012546 transfer Methods 0.000 claims description 2
- 238000013461 design Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 3
- 238000005498 polishing Methods 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B41/00—Boring or drilling machines or devices specially adapted for particular work; Accessories specially adapted therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B47/00—Constructional features of components specially designed for boring or drilling machines; Accessories therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, 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
- B23Q11/00—Accessories fitted to machine tools for keeping tools or parts of the machine in good working condition or for cooling work; Safety devices specially combined with or arranged in, or specially adapted for use in connection with, machine tools
- B23Q11/08—Protective coverings for parts of machine tools; Splash guards
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, 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
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
- B23Q3/02—Devices 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
- B23Q3/06—Work-clamping means
- B23Q3/062—Work-clamping means adapted for holding workpieces having a special form or being made from a special material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, 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
- B23Q5/00—Driving or feeding mechanisms; Control arrangements therefor
- B23Q5/22—Feeding members carrying tools or work
- B23Q5/28—Electric drives
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Drilling And Boring (AREA)
Abstract
The invention discloses a center drilling device for processing a valve ball body capable of preventing hole position deviation and a positioning method thereof, wherein the center drilling device is arranged on a movable seat, and a supporting frame is fixedly arranged on the right side of the upper surface of the movable seat; comprising the following steps: the driving rack is fixedly attached to the left side of the outer part of the supporting frame; a mounting collar fixedly mounted to an exterior of the skid; the servo motor is fixedly arranged at the middle position of the upper end of the mounting plate; the workbench is fixedly arranged on the upper surface of the movable seat. The center drilling device for processing the valve ball body with hole position deviation prevention and the positioning method thereof adopt novel structural design, so that the device can limit four sides of the valve ball body in a clamping manner, the stability of the valve ball body in the drilling process is improved, and the valve ball body rotation direction control structure is arranged in the device, so that the drilling process of different positions on the surface of the valve ball body can be continuously completed, and the processing efficiency is improved.
Description
Technical Field
The invention relates to the technical field of valve ball machining, in particular to a center drilling device for valve ball machining capable of preventing hole position deviation and a positioning method thereof.
Background
The valve ball is an important component in the valve, the surface of the valve ball is of a spherical structure, a hole structure with the corresponding diameter is formed in the valve ball according to the assembly structure in the valve, the surface of the valve ball is penetrated and drilled through a central drilling device, the valve ball is mutually assembled and connected with other components of the valve according to the formed hole, the application number is CN202021229080.5, the device is composed of two parts, one part is a drill bit clamping part, the drill bit can be driven by an external motor to drill downwards, the other part is a ball fixing device, the ball and the drill bit can be kept in a vertical state, the stability of the processed ball is improved, but due to the fact that the smoothness of the polished surface of the valve ball is high, the simple limiting structure is insufficient for controlling the accurate processing of the valve ball, and a certain problem exists in the central drilling device in the production process:
1. the surface of the valve ball body is high in smoothness after polishing treatment, the side of the valve ball body is limited in processing equipment through a simple clamping structure in the processing process, and under the action of drilling impact, the valve ball body is easy to rotate to cause hole site processing deflection, so that accurate processing is not facilitated;
2. The valve ball is generally provided with a vertical hole structure, and the valve ball is limited in the device again to be drilled after the limiting structure is controlled, so that the labor is consumed for double placement and positioning, and the processing period is prolonged.
Therefore, a hole position deviation prevention valve ball machining center drilling device and a positioning method thereof are needed to be designed aiming at the problems.
Disclosure of Invention
The invention aims to provide a hole position deviation prevention valve ball machining center drilling device and a positioning method thereof, which are used for solving the problems that in the prior art, the surface of a valve ball is high in smoothness after polishing treatment, the side of the valve ball is limited in machining equipment through a simple clamping structure in the machining process, the valve ball is easy to rotate under the action of drilling impact to cause hole position machining deflection, accurate machining is not facilitated, the valve ball is generally provided with a vertical hole structure, the limiting structure is controlled, the valve ball is limited in the device again to be drilled, labor is consumed for double placement and positioning, and the machining period is prolonged.
In order to achieve the above purpose, the present invention provides the following technical solutions: the center drilling device is arranged on a movable seat, a support frame is fixedly arranged on the right side of the upper surface of the movable seat, and a servo motor and a double-size drilling rod are correspondingly arranged on the side surface of the support frame;
Prevent valve spheroid processing of hole site skew and use central drilling equipment includes:
the driving rack is fixedly attached to the left side of the outer part of the supporting frame, the right side of the outer part of the supporting frame is fixedly attached to the longitudinal sliding rod, the outer part of the supporting frame is sleeved with the protective cover, the driving motor is mounted on the front side surface of the protective cover, and meanwhile, the outer side surface of the protective cover is fixedly connected with the sliding frame through the fixing frame;
the mounting lantern ring is fixedly arranged outside the sliding frame, the upper end of the mounting lantern ring is fixedly provided with an edge automatic telescopic rod, and the telescopic end of the upper surface of the edge automatic telescopic rod is fixedly connected with a mounting plate;
the servo motor is fixedly arranged at the middle position of the upper end of the mounting plate, and the lower end of the servo motor is rotationally connected with a double-size drilling rod;
The workbench is fixedly arranged on the upper surface of the movable seat, the bottom fixing table is arranged at the upper end of the movable seat, side plates are symmetrically fixed on the front side and the rear side of the bottom fixing table, side fixing devices are correspondingly arranged at the upper end of the workbench, and pre-fixing devices are correspondingly arranged on the side surfaces of the side plates.
Preferably, the inside of protection casing rotates and installs drive gear, drive gear with drive rack constitutes meshing transmission structure, just the inside right side fixedly connected with straight line slider of protection casing, and the protection casing passes through straight line slider and vertical slide bar and constitutes sliding structure from top to bottom, and operation driving motor control drive gear rotates, can control the protection casing and reciprocate in the outside of support frame under the effect of meshing transmission structure to the corresponding processing position of two size drilling poles is adjusted.
Preferably, the side of the side board is further provided with a lower driving shaft, a square board and a bidirectional motor:
the lower driving shaft is rotatably arranged at a position below the side surface of the side plate, the upper driving shaft is rotatably arranged above the side surface of the side plate, driving disks are fixed outside the lower driving shaft and the upper driving shaft, and a driving belt is arranged outside the driving disks;
The square plate is welded and fixed on the side surface of the upper driving shaft, a pre-fixer is sleeved outside the square plate, and a connecting rod is fixedly arranged at the lower end of the pre-fixer;
The bidirectional motor is fixedly arranged at the middle position of the upper end of the bottom fixing table, two ends of the bidirectional motor are rotationally connected with a lower driving shaft, the upper end of the bidirectional motor is fixedly provided with a base, meanwhile, the middle position of the upper end of the base is fixedly provided with a middle automatic telescopic rod, the telescopic end of the upper end of the middle automatic telescopic rod is fixedly provided with a positioning block, and two ends of the positioning block are connected with a connecting rod through positioning adjusting rods.
Preferably, the side surface of the pre-fixer forms a transverse telescopic structure with the upper driving shaft through a square plate, the pre-fixer and the connecting rod are fixed into an integrated structure, the connecting rod and one end of the positioning adjusting rod form a rotating structure, the other end of the positioning adjusting rod and the positioning block form a rotating structure, the automatic telescopic rod in the middle of operation pushes the positioning block to move upwards, and under the rotating pushing action of the positioning adjusting rod, the pre-fixer clamps and limits the front side and the rear side of the valve ball body, so that the valve ball body is primarily limited in the arc limiting seat.
Preferably, the upper and lower ends of workstation are provided with arc spacing seat and transfer line:
The arc-shaped limiting seat is fixedly arranged in the middle of the upper surface of the workbench, linear sliding rails are symmetrically arranged on two sides of the upper surface of the workbench, a linear sliding rod is connected in a penetrating manner in the linear sliding rail, meanwhile, an edge side fixer is fixedly welded on the side surface of the linear sliding rod, and the side surface of the linear sliding rod is connected with the inner side of the linear sliding rail through a limiting spring;
The transmission rod penetrates through the two sides of the inside of the workbench, and the lower end of the transmission rod is connected with the lower end of the linear sliding rod through the limiting rod.
Preferably, the mounting plate and the sliding frame form an up-down sliding structure, two sides of the lower end of the sliding frame are correspondingly arranged at the position of the right upper end of the transmission rod, the double-size drilling rod arranged at the lower end of the mounting plate is correspondingly arranged at the position of the right upper end of the arc-shaped limiting seat, the automatic telescopic rod at the operation side controls the mounting plate to move downwards, and the distance between the double-size drilling rod and the upper end of the valve ball body can be adjusted.
Preferably, the transmission rod and the workbench form an up-down sliding structure, the lower end of the transmission rod and one end of the limiting rod form a rotating structure, the other end of the limiting rod and the lower end of the linear sliding rod form a rotating structure, the linear sliding rod and the linear sliding rail form a transverse elastic sliding structure through a limiting spring, the transmission rod moves downwards under the action of pressure, two ends of the limiting rod are controlled to rotate, the linear sliding rod stretched by the limiting rod transversely slides in the linear sliding rail, and the side fixing device can be controlled to be reinforced and limited on the left side and the right side of the valve ball body.
Preferably, the linear slide bar controls the side fixer to be arranged at the left side and the right side of the arc limiting seat, the side fixer and the pre-fixer form a four-side limiting structure of the valve ball, and the pre-fixer is arranged at the front side and the rear side of the arc limiting seat under the control action of the connecting rod, and the pre-fixer and the side fixer are respectively limited at the four sides of the valve ball, so that the valve ball can be firmly arranged in the device for drilling.
Preferably, a positioning method of a hole position deviation prevention valve ball machining center drilling device comprises the following steps:
Step one, preliminary limitation of a control valve sphere
The valve ball body is arranged at the upper end of the arc-shaped limiting seat, the automatic telescopic rod in the middle of operation pushes the positioning block to move upwards, the positioning adjusting rods at the two ends of the positioning block are controlled to correspondingly rotate, the positioning adjusting rods pull the two sides of the connecting rods at the two sides to move, the connecting rods control the pre-fixing device to extrude and limit the valve ball body at the front side and the rear side, and the processing position of the valve ball body is primarily limited;
Step two, reinforcing and limiting the ball body of the control valve
The driving motor is operated to control the driving gear to rotate, the protective cover is controlled to move downwards under the meshing transmission action of the driving gear and the driving rack, the protective cover is driven to move downwards by the protective cover, the sliding frame correspondingly controls the driving rod to move downwards at the upper end of the driving rod, the driving rod drives the two ends of the limit rod connected with the side to correspondingly rotate, the limit rod pushes the linear slide rod to transversely slide in the linear slide rail, so that the side fixing device is extruded and limited on the left side and the right side of the valve ball body, and the processing position of the valve ball body is further reinforced and limited;
Step three, finishing the drilling processing of the valve ball body
When the control sliding frame pushes the transmission rod to move downwards to the lowest end position, then the automatic telescopic rod at the operation side controls the mounting plate to move downwards, the mounting plate pushes the double-size drilling rod to synchronously move downwards, meanwhile, the servo motor is operated to control the double-size drilling rod to correspondingly rotate, and the double-size drilling rod is controlled to downwards rotate at the upper end of the valve ball body to drill holes, so that drilling machining operation is completed;
Fourth, controlling the valve ball to turn to process
Through protection casing control coaster upward movement for mutual separation between two size drilling poles and the valve spheroid, limit side fixer moved to the side under the transmission structure effect this moment, the valve spheroid only receives limit action of limit side fixer, and the lower drive axle of operation two-way motor control both sides corresponds the rotation afterwards, can control the synchronous rotation of drive axle under the transmission effect of driving disk and drive belt, and the pre-fixer rotation of going up drive axle through square plate control side, the valve spheroid of pre-fixer control centre gripping corresponds the rotation, adjusts the position of valve spheroid corresponding at two size drilling pole lower extreme to can turn to drilling processing to the valve spheroid.
Compared with the prior art, the invention has the beneficial effects that: this prevent valve spheroid processing of hole site skew uses central drilling equipment adopts novel structural design for this device can be convenient with valve spheroid firm centre gripping setting inside the device, hole site skew when avoiding processing is provided with accuse simultaneously in the device and to rotating the processing structure, saves the spheroidal process time of valve, its concrete content is as follows:
1. The center drilling device for processing the valve ball body with hole position deviation prevention is provided with a four-side limiting structure, the valve ball body is arranged at the upper end of an arc limiting seat, an automatic telescopic rod in the middle of operation pushes a positioning block to move upwards under the transmission action of a positioning adjusting rod and a connecting rod, a pre-fixer is controlled to clamp and limit the valve ball body at the front side and the rear side, a sliding frame is controlled to move downwards through a protective cover, the sliding frame pushes a transmission rod to move downwards synchronously, the transmission rod controls the two ends of the limiting rod to rotate, the limiting rod pushes a linear sliding rod to slide transversely in a linear sliding rail, the limiting rod can control an edge fixer to clamp and limit the valve ball body at the left side and the right side, the part of structure can clamp and reinforce the four edge position of the valve ball body, and the stability of the valve ball body in the drilling processing device is improved;
2. This prevent valve spheroid processing of hole site skew is with center drilling equipment is provided with accuse and to rotating the processing structure, control valve spheroid one side runs through the trompil after, upwards remove through protection casing control carriage, at this moment under limit spring's elastic thrust effect, the limit side fixer is kept away from the valve spheroid, the drive shaft rotates under the operation bi-directional motor control, drive shaft synchronous rotation on the control under the circulation transmission effect of driving disk and conveyer belt, go up the drive shaft and drive valve spheroid through the pre-fixer and correspond the rotation, control valve spheroid corresponds the position that corresponds in two dimensions drilling rod lower extreme, the continuity of being convenient for is to valve spheroid different position drilling processing, do not need to adjust the corresponding position of inject valve spheroid in the device again, save process time.
Drawings
FIG. 1 is a schematic diagram of the front structure of the present invention;
FIG. 2 is a schematic side view of a bottom mounting table according to the present invention;
FIG. 3 is a schematic side view of a connecting rod according to the present invention;
FIG. 4 is a schematic elevational view of a pre-retainer according to the present invention;
FIG. 5 is a schematic diagram of the front structure of the transmission rod of the present invention;
FIG. 6 is a schematic view of the rotation state structure of the stop lever of the present invention;
FIG. 7 is a schematic view of an elevation structure of an arc-shaped limiting seat according to the present invention;
fig. 8 is a schematic diagram of a front cross-sectional structure of a protective cover according to the present invention.
In the figure: 1. a movable seat; 2. a support frame; 3. a drive rack; 4. a longitudinal slide bar; 5. a protective cover; 6. a driving motor; 7. a fixing frame; 8. a skid; 9. installing a lantern ring; 10. an automatic telescopic rod at the side; 11. a mounting plate; 12. a servo motor; 13. a dual-sized drill rod; 14. a work table; 15. a bottom fixed table; 16. a side plate; 17. a lower drive shaft; 18. an upper drive shaft; 19. a drive plate; 20. a transmission belt; 21. a square plate; 22. a pre-fixer; 23. a connecting rod; 24. a bi-directional motor; 25. a base; 26. an intermediate automatic telescopic rod; 27. a positioning block; 28. positioning an adjusting rod; 29. an arc limiting seat; 30. a linear slide rail; 31. a linear slide bar; 32. a side fixer; 33. a transmission rod; 34. a limit rod; 35. a drive gear; 36. a linear slide; 37. and a limit spring.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-8, the present invention provides a technical solution: the center drilling device is arranged on the movable seat 1, a support frame 2 is fixedly arranged on the right side of the upper surface of the movable seat 1, and a servo motor 12 and a double-size drilling rod 13 are correspondingly arranged on the side surface of the support frame 2;
Prevent valve spheroid processing of hole site skew and use central drilling equipment includes:
The driving rack 3 is fixedly attached to the left side of the outer part of the supporting frame 2, the right side of the outer part of the supporting frame 2 is fixedly attached to the longitudinal sliding rod 4, the outer part of the supporting frame 2 is sleeved with the protecting cover 5, the driving motor 6 is arranged on the front side surface of the protecting cover 5, and meanwhile, the outer side surface of the protecting cover 5 is fixedly connected with the sliding frame 8 through the fixing frame 7;
the mounting collar 9 is fixedly arranged outside the sliding frame 8, an edge automatic telescopic rod 10 is fixedly arranged at the upper end of the mounting collar 9, and the upper surface telescopic end of the edge automatic telescopic rod 10 is fixedly connected with a mounting plate 11;
the servo motor 12 is fixedly arranged at the middle position of the upper end of the mounting plate 11, and the lower end of the servo motor 12 is rotatably connected with a double-size drilling rod 13;
The workbench 14 is fixedly arranged on the upper surface of the movable seat 1, the bottom fixing table 15 is arranged at the upper end of the movable seat 1, the side plates 16 are symmetrically fixed on the front side and the rear side of the bottom fixing table 15, the side fixing devices 32 are correspondingly arranged at the upper end of the workbench 14, and the pre-fixing devices 22 are correspondingly arranged on the side surfaces of the side plates 16.
In the embodiment, a driving gear 35 is rotatably arranged in the protective cover 5, the driving gear 35 and the driving rack 3 form a meshing transmission structure, a linear slide block 36 is fixedly connected to the right side in the protective cover 5, and the protective cover 5 and the longitudinal slide bar 4 form an up-down sliding structure through the linear slide block 36;
The driving motor 6 is operated to control the driving gear 35 to rotate, the driving gear 35 can be controlled to rotate downwards under the meshing transmission action of the driving gear 35 and the driving rack 3, at the moment, the linear sliding block 36 is sleeved on the outer part of the longitudinal sliding rod 4 to slide downwards, at the moment, the protective cover 5 correspondingly arranged on the outer part of the supporting frame 2 moves downwards, the protective cover 5 drives the side sliding frame 8 and the mounting plate 11 to synchronously move downwards through the fixing frame 7, the preliminary downward movement of the drilling structure is controlled, and the drilling processing is assisted.
The side surface of the pre-fixer 22 forms a transverse telescopic structure with the upper driving shaft 18 through the square plate 21, the pre-fixer 22 and the connecting rod 23 are fixed into an integrated structure, the connecting rod 23 and one end of the positioning adjusting rod 28 form a rotating structure, and the other end of the positioning adjusting rod 28 and the positioning block 27 form a rotating structure; the upper and lower ends of the workbench 14 are provided with an arc limiting seat 29 and a transmission rod 33: the arc-shaped limiting seat 29 is fixedly arranged in the middle of the upper surface of the workbench 14, the linear slide rails 30 are symmetrically arranged on two sides of the upper surface of the workbench 14, the linear slide rails 30 are internally and penetratingly connected with the linear slide bars 31, meanwhile, side fixing devices 32 are fixedly welded on the side surfaces of the linear slide bars 31, and the side surfaces of the linear slide bars 31 are mutually connected with the inner sides of the linear slide rails 30 through limiting springs 37; the transmission rods 33 are arranged on two sides of the interior of the workbench 14 in a penetrating manner, and the lower ends of the transmission rods 33 are connected with the lower ends of the linear slide rods 31 through limit rods 34; the mounting plate 11 and the sliding frame 8 form an up-down sliding structure, two sides of the lower end of the sliding frame 8 are correspondingly arranged at the position of the right upper end of the transmission rod 33, and the double-size drilling rod 13 arranged at the lower end of the mounting plate 11 is correspondingly arranged at the position of the right upper end of the arc-shaped limiting seat 29; the transmission rod 33 and the workbench 14 form an up-down sliding structure, the lower end of the transmission rod 33 and one end of the limiting rod 34 form a rotating structure, the other end of the limiting rod 34 and the lower end of the linear slide rod 31 form a rotating structure, and the linear slide rod 31 and the linear slide rail 30 form a transverse elastic sliding structure through the limiting spring 37; the linear slide bar 31 controls the side fixing devices 32 to be arranged at the left side and the right side of the arc-shaped limiting seat 29, the side fixing devices 32 and the pre-fixing device 22 form a four-side limiting structure of the valve ball body, and the pre-fixing device 22 is arranged at the front side and the rear side of the arc-shaped limiting seat 29 under the control of the connecting rod 23;
Before machining, arranging the valve ball at the upper end of an arc-shaped limiting seat 29, pushing a positioning block 27 to move upwards by an automatic telescopic rod 26 in the middle of operation, controlling positioning adjusting rods 28 at two sides to correspondingly rotate by the positioning block 27, controlling a connecting rod 23 to move sideways by the positioning adjusting rods 28, driving a pre-fixer 22 to synchronously move sideways by the connecting rod 23, and enabling the pre-fixer 22 to move sideways in a telescopic manner by a square plate 21, wherein the structure can control the pre-fixer 22 to move and squeeze at the front side and the rear side of the valve ball, and primarily limiting the valve ball at the upper end of the arc-shaped limiting seat 29;
During processing, the sliding frame 8 is controlled to move downwards through the protective cover 5, the sliding frame 8 pushes the transmission rod 33 to slide downwards, two ends of the limiting rod 34 connected with the side surface of the transmission rod 33 correspondingly rotate, the limiting rod 34 pushes the linear slide rod 31 to slide transversely in the linear slide rail 30, so that the linear slide rod 31 pushes the side fixing device 32 to squeeze the left side and the right side of the valve ball, and the valve ball is further limited at the upper end of the arc limiting seat 29;
The four sides of the valve sphere can be limited by the pre-fixer 22 and the side fixer 32, so that the valve sphere is firmly arranged at the upper end of the arc-shaped limiting seat 29, the phenomenon of hole position deviation caused by the position movement of the valve sphere in the machining process is avoided, the side automatic telescopic rod 10 is operated to control the mounting plate 11 to move downwards during machining, the mounting plate 11 slides downwards outside the sliding frame 8, the mounting plate 11 drives the servo motor 12 and the double-size drilling rod 13 to move downwards, the servo motor 12 is operated to control the double-size drilling rod 13 to rotate, and the double-size drilling rod 13 is arranged at the upper end of the valve sphere to rotate to finish drilling.
The side of the side plate 16 is also provided with a lower drive shaft 17, a square plate 21 and a bi-directional motor 24: a lower driving shaft 17 rotatably installed at a position below the side surface of the side plate 16, and an upper driving shaft 18 rotatably installed above the side surface of the side plate 16, a driving disc 19 being fixed to the outer portions of both the lower driving shaft 17 and the upper driving shaft 18, and a driving belt 20 being installed to the outer portion of the driving disc 19; a square plate 21 welded and fixed to a side surface of the upper driving shaft 18, wherein a pre-fixer 22 is sleeved outside the square plate 21, and a connecting rod 23 is fixedly arranged at a lower end of the pre-fixer 22; the two-way motor 24 is fixedly arranged at the middle position of the upper end of the bottom fixing table 15, two ends of the two-way motor 24 are rotatably connected with the lower driving shaft 17, the upper end of the two-way motor 24 is fixedly provided with the base 25, meanwhile, the middle position of the upper end of the base 25 is fixedly provided with the middle automatic telescopic rod 26, the telescopic end of the upper end of the middle automatic telescopic rod 26 is fixedly provided with the positioning block 27, and two ends of the positioning block 27 are mutually connected with the connecting rod 23 through the positioning adjusting rod 28;
After the drilling processing of one side of the valve ball is controlled, the automatic telescopic rod 10 at the operation side pushes the mounting plate 11 to reversely move upwards, the mounting plate 11 drives the double-size drilling rod 13 to move upwards, so that the double-size drilling rod 13 and the valve ball are separated, at the moment, the linear sliding rod 31 reversely slides outwards in the linear sliding rail 30 under the action of the elastic thrust of the limiting spring 37, at the moment, the side retainers 32 and the valve ball are separated from each other, then the lower driving shafts 17 at the two sides are controlled to rotate by the bidirectional motor 24, the lower driving shafts 17 control the upper driving shafts 18 to synchronously rotate through the driving disc 19 and the driving belt 20, the upper driving shafts 18 drive the pre-retainers 22 to synchronously rotate through the square plates 21 fixed on the side, the pre-retainers 22 are clamped on the front side and the rear sides of the valve ball, the valve ball can be controlled to correspondingly rotate in the arc limiting seat 29, the valve ball is adjusted to correspondingly set up at the lower end of the double-size drilling rod 13, the valve ball is conveniently processed on different positions of the valve ball, the sliding frame 8 is controlled to move downwards after the adjustment, the left side retainers 32 are controlled to clamp the left and right sides of the valve ball, the valve ball is repeatedly processed, the drilling processing steps are repeated, the valve processing steps can be controlled again, the valve processing efficiency can be controlled to be completed continuously, and the drilling processing efficiency of the valve ball can be controlled to be processed continuously, and the valve processing device is not needed to be controlled to the position in the inside the valve ball.
A positioning method of a center drilling device for processing a valve ball body for preventing hole position deviation comprises the following steps:
Step one, preliminary limitation of a control valve sphere
The valve ball body is arranged at the upper end of an arc-shaped limiting seat 29, an automatic telescopic rod 26 in the middle of operation pushes a positioning block 27 to move upwards, the positioning block 27 controls positioning adjusting rods 28 at two ends to correspondingly rotate, the positioning adjusting rods 28 pull two sides of a connecting rod 23 at two sides to move, the connecting rod 23 controls a pre-fixer 22 to extrude and limit the front side and the rear side of the valve ball body, and the processing position of the valve ball body is primarily limited;
Step two, reinforcing and limiting the ball body of the control valve
The driving motor 6 is operated to control the driving gear 35 to rotate, the protective cover 5 is controlled to move downwards under the meshing transmission action of the driving gear 35 and the driving rack 3, the protective cover drives the sliding frame 8 to move downwards, the sliding frame 8 correspondingly controls the driving rod 33 to move downwards at the upper end of the driving rod 33, the driving rod 33 drives the two ends of the limiting rod 34 connected with the side to correspondingly rotate, the limiting rod 34 pushes the linear sliding rod 31 to transversely slide in the linear sliding rail 30, so that the side fixer 32 is extruded and limited on the left side and the right side of the valve ball body, and the processing position of the valve ball body is further reinforced and limited;
Step three, finishing the drilling processing of the valve ball body
When the control sliding frame 8 pushes the transmission rod 33 to move downwards to the lowest end position, then the automatic telescopic rod 10 at the side is operated to control the mounting plate 11 to move downwards, the mounting plate 11 pushes the double-size drilling rod 13 to synchronously move downwards, meanwhile, the servo motor 12 is operated to control the double-size drilling rod 13 to correspondingly rotate, and the double-size drilling rod 13 is controlled to downwards rotate at the upper end of the valve ball body to drill holes, so that drilling machining operation is completed;
Fourth, controlling the valve ball to turn to process
The sliding frame 8 is controlled to move upwards through the protective cover 5, so that the double-size drilling rod 13 and the valve ball are separated from each other, the side fixing device 32 moves to the side under the action of the transmission structure, the valve ball is limited by the side fixing device 32, then the two-way motor 24 is operated to control the lower driving shafts 17 on the two sides to correspondingly rotate, the upper driving shafts 18 can be controlled to synchronously rotate under the transmission action of the transmission disc 19 and the transmission belt 20, the upper driving shafts 18 control the side pre-fixing device 22 to rotate through the square plate 21, the pre-fixing device 22 controls the clamped valve ball to correspondingly rotate, and the position of the valve ball at the lower end of the double-size drilling rod 13 is adjusted, so that the valve ball can be steered and drilled.
Working principle: when the device is used, according to the structure shown in fig. 1-8, the valve ball is arranged at the upper end of the arc-shaped limiting seat 29, the automatic telescopic rod 26 in the middle of operation pushes the positioning block 27 to move upwards, under the pushing action of the positioning adjusting rod 28 and the connecting rod 23, the pre-fixer 22 is clamped and arranged at the front side and the rear side of the valve ball, the protective cover 5 is controlled to move downwards by the operation driving motor 6, the protective cover 5 is controlled to move downwards by the sliding frame 8, the driving rod 33 slides downwards under the pressure action, the driving action of the limiting rod 34 and the linear sliding rod 31 enables the side fixer 32 to clamp and limit the left side and the right side of the valve ball, the valve ball can be stably arranged in the arc-shaped limiting seat 29 to assist in stably completing drilling, after preliminary drilling, the side fixer 32 is controlled to move upwards under the elastic pushing action of the limiting spring 37, the side fixer 32 moves outwards to operate the valve ball in principle, the bidirectional motor 24 is controlled to rotate by the driving shaft 18 and the pre-fixer 22 through the driving structure, the valve ball clamped at the inner side is correspondingly rotated, the side fixer 22 can be controlled to adjust the valve ball to correspond to the left side and right side of the valve ball, the valve ball is controlled to the position of the double-dimension of the valve ball 13, continuous drilling processing efficiency is improved, and continuous drilling processing efficiency is facilitated.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (2)
1. The center drilling device is arranged on the movable seat, a supporting frame is fixedly arranged on the right side of the upper surface of the movable seat, and a servo motor and a double-size drilling rod are correspondingly arranged on the side surface of the supporting frame;
Characterized by comprising the following steps:
the driving rack is fixedly attached to the left side of the outer part of the supporting frame, the right side of the outer part of the supporting frame is fixedly attached to the longitudinal sliding rod, the outer part of the supporting frame is sleeved with the protective cover, the driving motor is mounted on the front side surface of the protective cover, and meanwhile, the outer side surface of the protective cover is fixedly connected with the sliding frame through the fixing frame;
the mounting lantern ring is fixedly arranged outside the sliding frame, the upper end of the mounting lantern ring is fixedly provided with an edge automatic telescopic rod, and the telescopic end of the upper surface of the edge automatic telescopic rod is fixedly connected with a mounting plate;
the servo motor is fixedly arranged at the middle position of the upper end of the mounting plate, and the lower end of the servo motor is rotationally connected with a double-size drilling rod;
The workbench is fixedly arranged on the upper surface of the movable seat, the upper end of the movable seat is provided with a bottom fixing table, side plates are symmetrically fixed on the front side and the rear side of the bottom fixing table, side fixing devices are correspondingly arranged at the upper end of the workbench, and pre-fixing devices are correspondingly arranged on the side surfaces of the side plates;
The side of side board still is provided with lower drive shaft, square board and bi-directional motor:
the lower driving shaft is rotatably arranged at a position below the side surface of the side plate, the upper driving shaft is rotatably arranged above the side surface of the side plate, driving disks are fixed outside the lower driving shaft and the upper driving shaft, and a driving belt is arranged outside the driving disks;
The square plate is welded and fixed on the side surface of the upper driving shaft, a pre-fixer is sleeved outside the square plate, and a connecting rod is fixedly arranged at the lower end of the pre-fixer;
The bidirectional motor is fixedly arranged at the middle position of the upper end of the bottom fixing table, two ends of the bidirectional motor are rotationally connected with a lower driving shaft, the upper end of the bidirectional motor is fixedly provided with a base, meanwhile, the middle position of the upper end of the base is fixedly provided with a middle automatic telescopic rod, the telescopic end of the upper end of the middle automatic telescopic rod is fixedly provided with a positioning block, and two ends of the positioning block are mutually connected with a connecting rod through positioning adjusting rods;
The side surface of the pre-fixer and the upper driving shaft form a transverse telescopic structure through a square plate, the pre-fixer and the connecting rod are fixed into an integrated structure, one end of the connecting rod and one end of the positioning adjusting rod form a rotating structure, and the other end of the positioning adjusting rod and the positioning block form a rotating structure;
The upper and lower ends of workstation are provided with arc spacing seat and transfer line:
The arc-shaped limiting seat is fixedly arranged in the middle of the upper surface of the workbench, linear sliding rails are symmetrically arranged on two sides of the upper surface of the workbench, a linear sliding rod is connected in a penetrating manner in the linear sliding rail, meanwhile, an edge side fixer is fixedly welded on the side surface of the linear sliding rod, and the side surface of the linear sliding rod is connected with the inner side of the linear sliding rail through a limiting spring;
the transmission rod penetrates through two sides of the inside of the workbench, and the lower end of the transmission rod is connected with the lower end of the linear sliding rod through the limiting rod;
The transmission rod and the workbench form an up-down sliding structure, the lower end of the transmission rod and one end of the limiting rod form a rotating structure, the other end of the limiting rod and the lower end of the linear sliding rod form a rotating structure, and the linear sliding rod and the linear sliding rail form a transverse elastic sliding structure through a limiting spring;
the linear slide bar control side fixing devices are arranged on the left side and the right side of the arc-shaped limiting seat, the side fixing devices and the pre-fixing devices form a four-side limiting structure of the valve ball body, and the pre-fixing devices are arranged on the front side and the rear side of the arc-shaped limiting seat under the control action of the connecting rod;
the inside of the protective cover is rotatably provided with a driving gear, the driving gear and the driving rack form a meshing transmission structure, the right side of the inside of the protective cover is fixedly connected with a linear sliding block, and the protective cover forms an up-down sliding structure with a longitudinal sliding rod through the linear sliding block;
The mounting plate and the sliding frame form an up-down sliding structure, two sides of the lower end of the sliding frame are correspondingly arranged at the position of the right upper end of the transmission rod, and the double-size drilling rod arranged at the lower end of the mounting plate is correspondingly arranged at the position of the right upper end of the arc-shaped limiting seat.
2. The positioning method of the hole site deviation prevention valve ball machining center drilling device according to claim 1, comprising the following steps:
Step one, preliminary limitation of a control valve sphere
The valve ball body is arranged at the upper end of the arc-shaped limiting seat, the automatic telescopic rod in the middle of operation pushes the positioning block to move upwards, the positioning adjusting rods at the two ends of the positioning block are controlled to correspondingly rotate, the positioning adjusting rods pull the two sides of the connecting rods at the two sides to move, the connecting rods control the pre-fixing device to extrude and limit the valve ball body at the front side and the rear side, and the processing position of the valve ball body is primarily limited;
Step two, reinforcing and limiting the ball body of the control valve
The driving motor is operated to control the driving gear to rotate, the protective cover is controlled to move downwards under the meshing transmission action of the driving gear and the driving rack, the protective cover is driven to move downwards by the protective cover, the sliding frame correspondingly controls the driving rod to move downwards at the upper end of the driving rod, the driving rod drives the two ends of the limit rod connected with the side to correspondingly rotate, the limit rod pushes the linear slide rod to transversely slide in the linear slide rail, so that the side fixing device is extruded and limited on the left side and the right side of the valve ball body, and the processing position of the valve ball body is further reinforced and limited;
Step three, finishing the drilling processing of the valve ball body
When the control sliding frame pushes the transmission rod to move downwards to the lowest end position, then the automatic telescopic rod at the operation side controls the mounting plate to move downwards, the mounting plate pushes the double-size drilling rod to synchronously move downwards, meanwhile, the servo motor is operated to control the double-size drilling rod to correspondingly rotate, and the double-size drilling rod is controlled to downwards rotate at the upper end of the valve ball body to drill holes, so that drilling machining operation is completed;
Fourth, controlling the valve ball to turn to process
Through protection casing control coaster upward movement for mutual separation between two size drilling poles and the valve spheroid, limit side fixer moved to the side under the transmission structure effect this moment, the valve spheroid only receives limit action of limit side fixer, and the lower drive axle of operation two-way motor control both sides corresponds the rotation afterwards, can control the synchronous rotation of drive axle under the transmission effect of driving disk and drive belt, and the pre-fixer rotation of going up drive axle through square plate control side, the valve spheroid of pre-fixer control centre gripping corresponds the rotation, adjusts the position of valve spheroid corresponding at two size drilling pole lower extreme to can turn to drilling processing to the valve spheroid.
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| CN202111376562.2A CN113976950B (en) | 2021-11-19 | 2021-11-19 | Hole position deviation prevention valve ball machining center drilling device and positioning method thereof |
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| CN202111376562.2A CN113976950B (en) | 2021-11-19 | 2021-11-19 | Hole position deviation prevention valve ball machining center drilling device and positioning method thereof |
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