CN115351336A - High-precision milling device for inner cavity of valve body - Google Patents
High-precision milling device for inner cavity of valve body Download PDFInfo
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- CN115351336A CN115351336A CN202211270613.8A CN202211270613A CN115351336A CN 115351336 A CN115351336 A CN 115351336A CN 202211270613 A CN202211270613 A CN 202211270613A CN 115351336 A CN115351336 A CN 115351336A
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- valve body
- vibration
- inner cavity
- cutting
- sensing
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23C—MILLING
- B23C3/00—Milling particular work; Special milling operations; Machines therefor
- B23C3/02—Milling surfaces of revolution
- B23C3/05—Finishing valves or valve seats
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23C—MILLING
- B23C9/00—Details or accessories so far as specially adapted to milling machines or cutter
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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
- B23Q17/00—Arrangements for observing, indicating or measuring on machine tools
- B23Q17/20—Arrangements for observing, indicating or measuring on machine tools for indicating or measuring workpiece characteristics, e.g. contour, dimension, hardness
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- Electrically Driven Valve-Operating Means (AREA)
Abstract
The invention discloses a high-precision milling device for an inner cavity of a valve body, which relates to the technical field of cutting devices, and is characterized in that on the basis of detachably adapting to a multi-specification valve body and cutting the inner cavity of the valve body, parameter information of the inner cavity of the valve body is collected, parallel analysis and pretreatment screening are automatically carried out on the valve body, the inner cavity of the valve body is automatically cut, corresponding cutting parameters are fed back, the parameter information of the inner cavity of the valve body is sensed in real time, the cutting effect of the inner cavity of the valve body is judged, the cut valve body is pushed to the next procedure, the work of cutting the inner cavity of the valve body with high precision and intellectualization is realized, the working efficiency of the device is improved, the action parameters of components in the procedures are captured, and the action parameters are analyzed and processed, so that the intelligence degree of the device is improved, the use of the device is more convenient, and the problems of poor efficiency, low precision, low intelligence degree and insufficient convenience of the traditional cutting device are solved.
Description
Technical Field
The invention relates to the technical field of cutting devices, in particular to a high-precision milling device for an inner cavity of a valve body.
Background
The valve is a mechanical device for controlling the flow, flow direction, pressure, temperature and the like of flowing fluid media, the valve is a basic component in a pipeline system, the valve can be operated manually or by a hand wheel, the pressure, temperature and flow of the fluid media can be changed by controlling, the valve body is a main component in the valve, because the valve body is a pouring mold or a stamping mold, in the process, the inner cavity of the valve body is often sunken or protruded due to the fact that a mold or stamping is not standard, the inner cavity of the valve body cannot be subjected to parallel analysis and pretreatment screening because the outer end of the valve body can only be subjected to cutting shaping by the existing cutting device, the parameter information of the inner cavity of the valve body cannot be collected, the inner cavity of the valve body cannot be subjected to automatic parallel analysis and pretreatment screening, the inner cavity of the valve body cannot be cut automatically, corresponding cutting parameters can be fed back, the parameter information of the inner cavity of the valve body can be combined with real-time sensing, and the judgment of the cutting effect of the inner cavity of the valve body cannot be realized, so that the traditional cutting device is poor in efficiency, low in accuracy and low in intelligence degree;
in view of the above technical drawbacks, a solution is proposed.
Disclosure of Invention
The invention aims to: on can dismantling many specifications of adaptation valve body and carry out the basis of cutting to its inner chamber, parameter information through gathering the valve body inner chamber, it is automatic to carry out parallel analysis and preliminary treatment screening back to it, automatic cutting valve body inner chamber corresponds the cutting parameter and feeds back, and combine the parameter information of real-time response valve body inner chamber, realize the judgement of valve body inner chamber cutting effect, and push away the valve body that the cutting was accomplished in the next process, thereby realize the high accuracy, the work of intelligent cutting valve body inner chamber, thereby improve device work efficiency, still through the action parameter of catching above-mentioned in-process part, and carry out analysis processes to its action parameter, thereby improve equipment's intelligent degree, make its convenience more that uses.
In order to achieve the purpose, the invention adopts the following technical scheme:
a high accuracy milling unit for valve body inner chamber, including the cloud ware, the cloud ware is used for storing data, and cloud ware signal connection has:
the valve body milling unit is used for performing pre-screening and cutting work on the valve body, sensing a stereogram of the valve body and working condition information of the milling process of the inner cavity of the valve body and sending the working condition information to the cloud server for storage;
the sorting control unit is used for generating a corresponding control signal after acquiring the stereogram of the valve body through the cloud server, controlling the valve body milling unit to perform pre-screening processing and cutting work, and then automatically sensing working condition information of the milling process of the inner cavity of the valve body fed back by the cloud server and completing the cutting work;
the motion capture unit is used for acquiring the motion track offset Ti of the valve body milling unit component and sending the motion track offset Ti to the cloud server for storage;
the motion detection unit obtains a plurality of motion track offsets Ti in a single period through the cloud server, then compares the standard deviation TC with a preset value TC, and when the standard deviation TC is larger than the preset value TC, sends a signal for guaranteeing manual or automatic intervention of component precision of the valve body milling unit, otherwise, does not generate a control signal, and sends the generated standard deviation TC to the cloud processor for storage.
Further, valve body operation unit includes dustproof box, the internal symmetry of dustproof box is equipped with the valve body anchor clamps that shake, the valve body shakes and feels the anchor clamps and sets up relatively, and the valve body shakes center department between the sense anchor clamps and is equipped with the cutting platform, valve body shakes and feels anchor clamps adaptation has the drive assembly that shakes, shake and feel drive assembly and install on the bottom plate of dustproof box, shake and feel drive assembly and be used for driving two valve bodies and shake and feel the clamp back of the body or relative motion mutually, the top fixed mounting of dustproof box has the lift air lever, the output shaft fixed mounting of lift air lever has cutting motor, fixed mounting has the installation component on cutting motor's the output shaft, the installation component card is equipped with the cutting piece, the top of cutting platform is just being located to the cutting piece, be equipped with L shape pole that deflects on the cutting platform, the connecting block is installed to the end of L shape pole that deflects, electronic arc is pushed away is installed to the connecting block, the center department of cutting platform inlays and is equipped with the ultrasonic sensor who generates the valve body stereogram.
Further, the fixed cover in outer end of cutting motor is equipped with first spacing sliding sleeve, the fixed first spacing slide bar that is equipped with of outer end symmetry of first spacing sliding sleeve, the fixed first spacing slip of being equipped with of one end that first spacing sliding sleeve was kept away from to first spacing slide bar is protruding, and the sliding butt of the one end of first spacing sliding sleeve and the inner wall of dustproof box is kept away from to first spacing slide bar, the first spacing spout of the first spacing slip protruding gliding of adaptation is seted up to the inner wall of dustproof box, first spacing slip is protruding to be inlayed and is located in the first spacing spout.
Further, the valve body shakes and feels anchor clamps include the cylinder body of shaking, shake and be equipped with vibration sensor, shake and feel and support the bullet piece and shake and feel the slider in the cylinder body of shaking, vibration sensor fixes and locates to shake and feels and support in the bullet piece, the outer end that shakes and the inner sliding connection who shakes and feels the slider, shake and feel and support the bullet piece and locate between vibration sensor and the shake and feel slider and respectively rather than the butt, shake and feel the slider and keep away from the one end that shakes and support the bullet piece and fix and be equipped with the slide bar that shakes, the one end that shakes of feeling the slide bar slides and runs through the inner wall that shakes and feel the cylinder body and extend to its outside and fix and be equipped with the locking arc cover, be equipped with the locking sand grip in the locking arc cover, the locking sand grip is fan-shaped distribution, the fixed anti-skid pad that is equipped with in the locking arc cover.
Further, the vibration sensing driving assembly comprises a power box, a first bidirectional screw rod is arranged in the power box, a nut seat is arranged on an outer end symmetrical thread of the first bidirectional screw rod, a top wall penetrating through the power box in a sliding mode extends to the outside of the power box, an electric lifting rod is fixedly arranged on the top wall of the electric lifting rod, a fixing sleeve is fixedly connected to an output shaft of the electric lifting rod, the outer end of the vibration sensing cylinder body is arranged on the inner fixing sleeve of the fixing sleeve, a driven bevel gear is fixedly arranged on the middle of the first bidirectional screw rod in a sleeved mode, the outer end of the driven bevel gear is meshed with a driving bevel gear, the driving bevel gear is in transmission connection with a servo motor, and an output shaft of the servo motor is fixedly sleeved with the driving bevel gear.
Further, the installation component includes a locking cylinder body, the top center of the locking cylinder body is fixedly connected with the output shaft of the cutting motor, the locking cylinder body is provided with a second bidirectional screw rod in a rotating manner, the outer end of the second bidirectional screw rod is provided with a second limiting sliding sleeve, the top end of the second limiting sliding sleeve is fixedly provided with a second limiting sliding protrusion, the second limiting sliding protrusion is connected with the locking cylinder body in a sliding manner, the locking cylinder body is provided with a second limiting sliding groove matched with the second limiting sliding protrusion in a sliding manner, the second limiting sliding protrusion is embedded in the second limiting sliding groove in a sliding manner, the bottom end of the second limiting sliding sleeve is fixedly connected with a second limiting sliding rod, the bottom end of the second limiting sliding rod is arc-shaped, the second limiting sliding rod is symmetrically provided with two locking protrusions, the inner wall of the second limiting sliding rod penetrating through the locking cylinder body extends to the outside of the locking cylinder body and is embedded in the cutting part, the second limiting sliding rod slides to form a locking sliding rod, the locking sliding rod is fixedly arranged in the locking cylinder body and is arranged in a locking cylinder body, the locking sliding rod is arranged in a parallel with the locking sliding sleeve, and one end of the second bidirectional screw rod extends to the outside of the inner wall of the locking cylinder body through the bearing and is connected with a rotating sleeve.
Furthermore, the cutting piece comprises a bearing sleeve, the bearing sleeve is matched with the outer end of the bottom of the locking cylinder body in shape, the bearing sleeve is arranged at the outer end of the bottom of the locking cylinder body, a plurality of connecting rods are arranged at the outer end of the bearing sleeve, the outer ends of the connecting rods are fixedly connected with cutting arc cutters, and a bearing groove matched with the protruding locking of the locking is formed in the bearing sleeve.
Further, the specific working steps of the sorting control unit are as follows:
the sorting control unit acquires a three-dimensional view of a valve body and a preset three-dimensional view of the valve body stored in the cloud server in real time, then overlaps the three-dimensional view of the valve body and the preset three-dimensional view of the valve body, marks a convex area and a concave area of the three-dimensional view of the inner cavity of the valve body, and then calculates the total volume of the convex area of the inner cavity of the valve body and the total volume of the concave area of the inner cavity of the valve body;
then comparing the total volume of the recessed area of the inner cavity of the valve body with a recessed volume threshold value, and generating a recessed complementary signal when the total volume of the recessed area of the inner cavity of the valve body is not less than the minimum value of the recessed volume threshold value and the total volume of the recessed area of the inner cavity of the valve body is not more than the maximum value of the recessed volume threshold value; when the total volume of the sunken area of the inner cavity of the valve body is larger than the maximum value of the sunken volume threshold value of the inner cavity of the valve body, a melting recasting signal is generated; when the total volume of the concave area of the inner cavity of the valve body is smaller than the minimum value of the concave volume threshold value, comparing the total volume of the convex area of the inner cavity of the valve body with a preset convex volume, and when the total volume of the convex area of the inner cavity of the valve body is smaller than the preset convex volume, generating a rough grinding control signal;
when the total volume of the sunken area of the inner cavity of the valve body is smaller than the minimum value of the sunken volume threshold value and when the total volume of the convex area of the inner cavity of the valve body is not smaller than the preset convex volume, generating a cutting control signal;
after the signal is generated, the corresponding part is controlled to work to complete the pre-screening and cutting work,
in the cutting process, the real-time vibration quantity of the valve body and the real-time vibration frequency of the valve body in the cutting process are acquired through the cloud server, the cutting completion signal is generated by combining the total volume of the protruding area of the valve body, and the valve body is pushed onto the rough grinding transmission belt after the cutting completion signal is generated.
Further, the specific working steps of the motion detection unit are as follows:
the action detection unit obtains the standard deviation TC and sends the standard deviation TC to the cloud server for storage, so that the action detection unit can carry out timing segment detection on the action detection unit, when the mean value of the standard deviation TC in a certain time period is not smaller than the action preset mean value, the fact that an operation and maintenance worker needs to be assisted for milling the valve body is indicated, and when the mean value of the standard deviation TC in a certain time period is smaller than the action preset mean value, a reminding text of 'operation and maintenance is not needed in the time period' is edited.
In summary, due to the adoption of the technical scheme, the invention has the beneficial effects that:
according to the invention, on the basis of detachably adapting to a multi-specification valve body and cutting the inner cavity of the valve body, the parameter information of the inner cavity of the valve body is collected, the valve body is automatically subjected to parallel analysis and pretreatment screening, the inner cavity of the valve body is automatically cut, corresponding cutting parameters are fed back, and the parameter information of the inner cavity of the valve body is sensed in real time, so that the cutting effect of the inner cavity of the valve body is judged, and the cut valve body is pushed to the next process, so that the work of cutting the inner cavity of the valve body with high precision and intellectualization is realized, the working efficiency of the device is improved, the action parameters of components in the process are captured, and the action parameters are analyzed and processed, so that the intelligence degree of the device is improved, the use is more convenient, and the problems of poor efficiency, low precision, low intelligence degree and insufficient convenience of the traditional cutting device are solved.
Drawings
FIG. 1 shows a block diagram of the architecture of the present invention;
FIG. 2 shows a view of the inner wall structure of the valve body milling unit;
FIG. 3 shows a block diagram of a vibration induced drive assembly;
FIG. 4 shows a block diagram of a valve body vibration sensing fixture;
FIG. 5 shows an enlarged top view at the locking arc sleeve;
FIG. 6 shows an enlarged top view at the mounting assembly;
FIG. 7 shows a cross-sectional view of the mounting assembly;
FIG. 8 shows a top view at the cutting station;
illustration of the drawings: 1. a dustproof box body; 2. a valve body vibration induction clamp; 3. a vibration sense drive assembly; 4. a cutting table; 5. lifting the air rod; 6. cutting the motor; 7. mounting the component; 8. a cutter; 9. a first limiting sliding sleeve; 10. a first limit slide bar; 11. a first limit sliding protrusion; 12. a first limiting chute; 13. an L-shaped deflection pole; 14. connecting blocks; 15. electric arc pushing; 201. a vibration-sensitive cylinder; 202. a vibration sensor; 203. a vibration sense support spring block; 204. a vibration-induced slider; 205. a vibration-sensitive slide bar; 206. locking the arc sleeve; 207. locking convex strips; 208. an anti-slip gasket; 301. a power box; 302. a servo motor; 303. a drive bevel gear; 304. a driven bevel gear; 305. a first bidirectional screw; 306. a nut seat; 307. an electric lifting rod; 308. fixing a sleeve; 701. locking the cylinder body; 702. a second bidirectional screw rod; 703. a rotating wheel; 704. a second limiting sliding sleeve; 705. a second limit slide bar; 706. locking the sliding rod; 707. a locking protrusion; 708. a second limiting sliding protrusion; 709. a second limit chute; 801. a bearing sleeve; 802. a receiving groove; 803. a connecting rod; 804. and (4) cutting an arc knife.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1:
as shown in fig. 1 to 8, the high precision milling device for the inner cavity of the valve body comprises: the valve body milling unit and the cloud server are in signal connection with the sorting control unit, the motion capturing unit and the motion detection unit; the valve body operation unit comprises a dustproof box body 1, valve body vibration sensing clamps 2 are symmetrically arranged in the dustproof box body 1, the valve body vibration sensing clamps 2 are oppositely arranged, a cutting table 4 is arranged at the center between the valve body vibration sensing clamps 2, the valve body vibration sensing clamps 2 are adaptive to vibration sensing driving assemblies 3, the vibration sensing driving assemblies 3 are installed on a bottom plate of the dustproof box body 1, the vibration sensing driving assemblies 3 are used for driving two valve body vibration sensing clamps to move back to back or oppositely, a lifting air rod 5 is fixedly installed at the top of the dustproof box body 1, a cutting motor 6 is fixedly installed on an output shaft of the lifting air rod 5, an installation assembly 7 is fixedly installed on an output shaft of the cutting motor 6, a cutting piece 8 is clamped on the installation assembly 7, the lifting air rod 5 is used for lifting the cutting motor 6, then lifting of the cutting piece 8 is controlled through the installation assembly 7, the cutting motor 6 is used for driving the installation assembly 7 to rotate, the cutting piece 8 is driven to rotate after the cutting piece 6 rotates, redundant parts in the valve body are cut, the installation assembly 7 enables the cutting piece 8 to be convenient to disassemble and install, and convenient to replace inner cavities with different specifications and different diameters, so that the device is more convenient to use; the cutting piece 8 is arranged above the cutting table 4, and the cutting piece 8 is in clearance fit with the valve body vibration induction clamp 2 so as to lock the induction valve body and then cut the valve body and induce the cutting state of the valve body;
the outer end fixing sleeve 308 of the cutting motor 6 is provided with a first limiting sliding sleeve 9, the outer end of the first limiting sliding sleeve 9 is symmetrically and fixedly provided with a first limiting sliding rod 10, one end, away from the first limiting sliding sleeve 9, of the first limiting sliding rod 10 is fixedly provided with a first limiting sliding protrusion 11, one end, away from the first limiting sliding sleeve 9, of the first limiting sliding rod 10 is in sliding butt joint with the inner wall of the dustproof box body 1, the inner wall of the dustproof box body 1 is provided with a first limiting sliding groove 12 matched with the sliding of the first limiting sliding protrusion 11, the first limiting sliding protrusion 11 is embedded in the first limiting sliding groove 12, and the first limiting sliding sleeve 9, the first limiting sliding rod 10 and the first limiting sliding protrusion 11 enhance the stability of the cutting piece 8 during lifting;
the L-shaped deflection electric pole 13 is arranged on the cutting table 4, the end part of the L-shaped deflection electric pole 13 is provided with the connecting block 14, the connecting block 14 is provided with the electric arc push 15, the electric arc push 15 is used for pushing a valve body on the cutting table 4, the L-shaped deflection electric pole 13 drives the electric arc push 15 to rotate in a fixed radian through the connecting block 14, the electric arc push 15 rotates in a fixed radian, so that the valve body is pushed into different selection areas, meanwhile, the electric arc push 15 pushes the valve body, the position of the valve body is slightly adjusted, the valve body is opposite to the cutting piece 8, efficient and intelligent operation of equipment is ensured, the L-shaped deflection electric pole 13 comprises a micro-control motor and an L-shaped connecting rod 803, the micro-control motor is arranged in the cutting table 4 and is not drawn out, the L-shaped connecting rod 803 extends to the outer part of the L-shaped connecting rod 4 through the inner wall of the cutting table 4, and the cutting table 4 is provided with an arc-shaped slideway which is matched with the L-shaped connecting rod 803 to slide;
the valve body vibration-sensing clamp 2 comprises a vibration-sensing cylinder body 201, a vibration sensor 202, a vibration-sensing supporting elastic block 203 and a vibration-sensing sliding block 204 are arranged in the vibration-sensing cylinder body 201, the vibration sensor 202 is fixedly arranged in the vibration-sensing supporting elastic block 203, the outer end of the vibration-sensing sliding block 204 is in sliding connection with the inner end of the vibration-sensing cylinder body 201, the vibration-sensing supporting elastic block 203 is arranged between the vibration sensor 202 and the vibration-sensing sliding block 204 and is respectively abutted against the vibration-sensing sliding block, a vibration-sensing sliding rod 205 is fixedly arranged at one end, far away from the vibration-sensing supporting elastic block 203, of the vibration-sensing sliding block 204, one end of the vibration-sensing sliding rod 205 penetrates through the inner wall of the vibration-sensing cylinder body 201 in a sliding mode and extends to the outside of the vibration-sensing cylinder body and is fixedly provided with a locking arc sleeve 206, a locking convex strip 207 is arranged in the locking arc sleeve 206, the locking convex strip 207 is distributed in a sector mode, the locking convex strip 207 is embedded in a groove of the valve body to lock the locking arc sleeve 206, an anti-slip gasket 208 is fixedly arranged in the locking arc sleeve 206, the valve body, friction force is enhanced, and the locking effect is enhanced;
the vibration sensing driving assembly 3 comprises a power box 301, a first bidirectional screw 305 is rotatably arranged in the power box 301, a nut seat 306 is symmetrically and threadedly arranged at the outer end of the first bidirectional screw 305, the nut seat 306 slidably penetrates through the top wall of the power box 301 to extend to the outside and is fixedly provided with an electric lifting rod 307, an output shaft of the electric lifting rod 307 is fixedly connected with a fixing sleeve 308, an inner end fixing sleeve 308 of the fixing sleeve 308 is arranged at the outer end of the vibration sensing cylinder body 201, the lifting of the output shaft of the electric lifting rod 307 controls the lifting of the vibration sensing cylinder body 201 through the fixing sleeve 308, so as to control the lifting of the vibration sensing clamp 2 of the valve body, the valve body with different heights is automatically adapted through the lifting of the vibration sensing clamp 2 of the valve body, a driven bevel gear 304 is arranged in the fixing sleeve 308 at the middle part of the first bidirectional screw 305, the outer end of the driven bevel gear 304 is connected with a driving bevel gear 303 in a meshing manner, the driving bevel gear 303 is in a transmission manner connected with a servo motor 302, the output shaft of the servo motor 302 is fixedly arranged with the driving bevel gear 303,
after the servo motor 302 works, the output shaft of the servo motor 302 is controlled to rotate in the forward direction to drive the driving bevel gear 303 arranged on the fixing sleeve 308 to rotate in the forward direction, the driving bevel gear 303 rotates in the forward direction to drive the driven bevel gear 304 meshed with the outer end of the driving bevel gear 304 to rotate in the forward direction, the driven bevel gear 304 rotates in the forward direction to drive the first bidirectional screw 305 arranged on the fixing sleeve 308 to rotate in the forward direction, the first bidirectional screw 305 rotates in the forward direction to drive the two nut seats 306 sleeved with the screw threads to move relatively, the two nut seats 306 move relatively to drive the electric lifting rod 307 fixed with the electric lifting rod 307, the electric lifting rod 307 moves relatively to drive the fixing sleeve 308 fixed with the output shaft to move relatively, and the vibration sensing cylinder 201 arranged on the fixing sleeve 308 moves relatively to drive the valve body vibration sensing clamp 2 to move relatively and lock the grooves embedded in the port of the valve body from the symmetrical side of the valve body, and the output shaft of the servo motor 302 can also rotate reversely by controlling the output shaft of the servo motor 302, so that the valve body vibration sensing clamp 2 unlocks the valve body;
when 2 locking valve bodies of valve body vibration-sensitive anchor clamps, and the operating mode information of response valve body inner chamber milling process, its concrete process as follows:
the locking convex strip 207 is embedded in a groove of a valve body port, the locking arc sleeve 206 is abutted to the outer end of the valve body, at the moment, due to mutual extrusion, the locking arc sleeve 206 provides extrusion force for the vibration sensing slide rod 205 fixedly connected with the locking arc sleeve, the vibration sensing slide rod 205 is contracted towards the inside of the vibration sensing cylinder 201 after sensing the extrusion force, the vibration sensing slide rod 205 drives the vibration sensing slide block 204 fixed with the vibration sensing slide rod to slide along the inner wall of the vibration sensing cylinder 201 and extrude the vibration sensing support elastic block 203, the vibration sensing support elastic block 203 is contracted and then the reverse acting force acts on the surface of the vibration sensor 202, so that the vibration sensor 202 senses an initial pressure value, the initial pressure value is the pressure value when the valve body is locked, a cutting part 8 cuts a convex part in an inner cavity of the valve body after the valve body is locked, the valve body generates vibration, and at the moment, the vibration sensor 202 senses the vibration frequency value of the valve body and the vibration amplitude value of the valve body through the parts;
the mounting assembly 7 comprises a locking cylinder 701, the center of the top end of the locking cylinder 701 is fixedly connected with an output shaft of the cutting motor 6, a second bidirectional screw rod 702 is rotatably arranged in the locking cylinder 701, a second limiting sliding sleeve 704 is symmetrically and threadedly sleeved at the outer end of the second bidirectional screw rod 702, a second limiting sliding projection 708 is fixedly arranged at the top end of the second limiting sliding sleeve 704, the second limiting sliding projection 708 is slidably connected with the locking cylinder 701, the locking cylinder 701 is provided with a second limiting sliding chute 709 matched with the sliding of the second limiting sliding projection 708, the second limiting sliding projection 708 is slidably embedded in the second limiting sliding chute 709, the second limiting sliding projection 708 slides along the second limiting sliding chute 709 and is used for enhancing the stability of the component during transmission, the bottom end of the second limiting sliding sleeve 704 is fixedly connected with a second limiting sliding rod, the bottom end of the second limiting sliding rod 705 is arc-shaped, the second limiting sliding rod 705 is symmetrically provided with two locking projections 707, the inner walls of the locking projections 707 slide rods 701 extend to the outside of the locking cylinder 701 and are embedded in the cutting part 8 so as to lock the cylinder, the locking cylinder 701, the locking slide rod 705 is slidably sleeved, the locking slide rod 705, the locking cylinder 701 and the inner wall of the second limiting sliding sleeve 706 is connected with a rotating wheel 706, and the second limiting sliding sleeve 701, and the rotating bearing of the second limiting sliding sleeve 701 is connected with the second limiting sliding sleeve 701 in parallel to the rotating sleeve 701;
the rotating wheel 703 is rotated forward or reversely, when the rotating wheel 703 rotates forward, the second bidirectional screw rod 702 fixed with the rotating wheel 703 is driven to rotate forward, the second bidirectional screw rod 702 rotates forward, the second limiting sliding sleeve 704 sleeved with the screw thread is driven to move relatively, the second limiting sliding sleeve 704 drives the second limiting sliding rod 705 fixed with the second limiting sliding sleeve to slide relatively along the outer end of the locking sliding rod 706, the second limiting sliding rod 705 drives the locking protrusion 707 fixed with the second limiting sliding sleeve to come out of the cutting part 8 after sliding relatively along the outer end of the locking sliding rod 706, so that the cutting part 8 is unlocked and replaced, otherwise, the cutting part 8 is locked and fixed;
the cutting piece 8 comprises a bearing sleeve 801, the bearing sleeve 801 is matched with the shape of the outer end of the bottom of the locking cylinder body 701, the bearing sleeve 801 is sleeved on the outer end of the bottom of the locking cylinder body 701, a connecting rod 803 is fixedly arranged at the outer end of the bearing sleeve 801, a plurality of connecting rods 803 are arranged, the outer end of each connecting rod 803 is fixedly connected with a cutting arc cutter 804, and a bearing groove 802 matched with the locking of a locking protrusion 707 is formed in the bearing sleeve 801;
an ultrasonic sensor is embedded in the center of the cutting table 4 and used for sensing the valve body and generating a three-dimensional view of the valve body;
working principle, when in use:
vertically placing a valve body in a frame or on a feeding conveyor belt on a cutting table 4 through a manipulator, controlling an ultrasonic sensor of a valve body milling unit to generate a three-dimensional image of the valve body by a cloud server signal, then sending the three-dimensional image of the valve body into a cloud server for storage by the ultrasonic sensor, obtaining the three-dimensional image of the valve body stored in the cloud server and a preset three-dimensional image of the valve body in real time by a sorting control unit, then overlapping the three-dimensional image of the valve body and the preset three-dimensional image of the valve body, then marking a convex area and a concave area of the three-dimensional image of the inner cavity of the valve body, and then calculating the total volume of the convex area of the inner cavity of the valve body and the total volume of the concave area of the inner cavity of the valve body;
then comparing the total volume of the recessed area of the inner cavity of the valve body with a recessed volume threshold value, when the total volume of the recessed area of the inner cavity of the valve body is not less than the minimum value of the recessed volume threshold value and the total volume of the recessed area of the inner cavity of the valve body is not more than the maximum value of the recessed volume threshold value, generating a recessed complement signal, and after the recessed complement signal is generated, controlling the L-shaped deflection electric pole 13, the connecting block 14 and the electric arc push 15 of the valve body milling unit to operate by the sorting control unit through a cloud server, so as to push the valve body to enter the recessed complement transmission belt;
when the total volume of the sunken area of the inner cavity of the valve body is larger than the maximum value of the sunken volume threshold value of the inner cavity of the valve body, a melting recasting signal is generated, and after the melting recasting signal is generated, the sorting control unit controls the L-shaped deflection electric pole 13, the connecting block 14 and the electric arc push 15 of the valve body milling unit to operate through the cloud server, so that the valve body is pushed to enter a melting recasting transmission belt;
when the total volume of the concave area of the inner cavity of the valve body is smaller than the minimum value of the threshold value of the concave volume, comparing the total volume of the convex area of the inner cavity of the valve body with a preset convex volume, and when the total volume of the convex area of the inner cavity of the valve body is smaller than the preset convex volume, generating a rough grinding control signal, and after the rough grinding control signal is generated, controlling the L-shaped deflection electric pole 13, the connecting block 14 and the electric arc push 15 of the valve body milling unit to operate by the sorting control unit through a cloud server, so that the valve body is pushed to enter a rough grinding transmission belt, and roughly grinding the valve body in the next procedure;
when the total volume of the sunken area of the inner cavity of the valve body is smaller than the minimum value of the sunken volume threshold value and when the total volume of the convex area of the inner cavity of the valve body is not smaller than the preset convex volume, generating a cutting control signal;
when a cutting control signal is generated, the valve body vibration sensing clamp 2 of the valve body milling unit is controlled to be matched with the height of the valve body and clamp the valve body, then the cutting piece 8 is controlled to descend and cut the inner cavity of the valve body, meanwhile, an external cleaning head is controlled to be opened to spray water, scraps generated in the cutting process are cleaned and washed, the valve body is cooled, and meanwhile, the valve body vibration sensing clamp 2 senses the real-time vibration quantity of the valve body and the real-time vibration frequency of the valve body and sends the real-time vibration frequency to a cloud server;
the real-time vibration quantity of the valve body and the real-time vibration frequency of the valve body form working condition information of the milling process of the inner cavity of the valve body; judging the cutting condition of the inner cavity of the valve body according to working condition information in the milling process of the inner cavity of the valve body, wherein the cutting condition of the inner cavity of the valve body is better when the real-time vibration quantity of the valve body and the real-time vibration frequency of the valve body are smaller, and the cutting condition of the inner cavity of the valve body is worse if the real-time vibration quantity of the valve body and the real-time vibration frequency of the valve body are smaller;
the sorting control unit acquires the real-time vibration quantity of the valve body, the real-time vibration frequency of the valve body and the total volume of the protruding area of the valve body in real time, when the parameters of the valve body reach preset values corresponding to the parameters, a cutting completion signal is generated, after the cutting completion signal is generated, the cutting part 8 is controlled to stop cutting the valve body, the valve body vibration sensing clamp 2 is controlled to unlock the valve body, then the valve body milling unit is controlled to push the valve body onto a rough grinding transmission belt, and rough grinding is carried out on the valve body in the next procedure;
in the process, the motion capture unit collects the motion track offset Ti of the valve body milling unit component and sends the motion track offset Ti to the cloud server for storage; i is a positive integer, and the motion track offset Ti is a variable and corresponds to offset parameters of different parts;
the method comprises the steps that after an action detection unit obtains a plurality of action track offsets Ti in a single period through a cloud server, a standard deviation TC of the action detection unit is obtained, then the standard deviation TC is compared with a preset value TC, when the standard deviation TC is larger than the preset value TC, it is indicated that component precision of a valve body milling unit is in a problem, a signal of manual or automatic intervention needs to be sent, component precision of the valve body milling unit is guaranteed, and when the standard deviation TC is not larger than the preset value TC, normal operation of equipment is indicated;
the standard deviation TC is sent to a cloud server to be stored so that the action detection unit can carry out timing segment detection on the action detection unit conveniently, when the mean value of the standard deviation TC in a certain time period is not smaller than the action preset mean value, the operation and maintenance valve body milling unit of an operation and maintenance worker needs to be assisted, and when the mean value of the standard deviation TC in a certain time period is smaller than the action preset mean value, a reminding text of 'operation and maintenance is not needed in the time period' is edited to assist the operation and maintenance worker in passing through the working efficiency of the operation and maintenance worker;
by integrating the technical scheme, on the basis of detachably adapting to a multi-specification valve body and cutting the inner cavity of the valve body, the cutting effect of the inner cavity of the valve body is judged by collecting parameter information of the inner cavity of the valve body, automatically performing parallel analysis and pretreatment screening on the valve body, automatically cutting the inner cavity of the valve body and feeding back corresponding cutting parameters, and combining with real-time sensing of the parameter information of the inner cavity of the valve body, and pushing the cut valve body to the next procedure, so that the work of cutting the inner cavity of the valve body with high precision and intellectualization is realized, the working efficiency of the device is improved, the action parameters of components in the process are captured and are analyzed and processed, the intelligence degree of the device is improved, the use is more convenient, and the problems that the traditional cutting device is poor in efficiency, low in precision, low in intelligence degree and inconvenient to use are solved.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (9)
1. A high accuracy milling unit for valve body inner chamber, including the cloud ware, the cloud ware is used for storing data, its characterized in that, cloud ware signal connection has:
the valve body milling unit is used for carrying out pre-screening and cutting work on the valve body, sensing a stereogram of the valve body and working condition information of the milling process of the inner cavity of the valve body and sending the working condition information to the cloud server for storage;
the sorting control unit is used for generating a corresponding control signal after acquiring the stereogram of the valve body through the cloud server, controlling the valve body milling unit to perform pre-screening processing and cutting work, and then automatically sensing working condition information of the milling process of the inner cavity of the valve body fed back by the cloud server and completing the cutting work;
the motion capture unit is used for acquiring the motion track offset Ti of the valve body milling unit component and sending the motion track offset Ti to the cloud server for storage;
the motion detection unit obtains a plurality of motion track offsets Ti in a single period through the cloud server, then compares the standard deviation TC with a preset value TC, and when the standard deviation TC is larger than the preset value TC, sends a signal for guaranteeing manual or automatic intervention of component precision of the valve body milling unit, otherwise, does not generate a control signal, and sends the generated standard deviation TC to the cloud processor for storage.
2. The high-precision milling device for the inner cavity of the valve body according to claim 1, characterized in that a valve body operation unit comprises a dustproof box body (1), valve body vibration-sensing clamps (2) are symmetrically arranged in the dustproof box body (1), the valve body vibration-sensing clamps (2) are arranged relatively, a cutting table is arranged at the center between the valve body vibration-sensing clamps (2), the valve body vibration-sensing clamps (2) are adapted to vibration-sensing driving components (3), the vibration-sensing driving components (3) are installed on a bottom plate of the dustproof box body (1), the vibration-sensing driving components (3) are used for driving two valve body vibration-sensing clamps to move back to back or relatively, a lifting air rod (5) is fixedly installed at the top of the dustproof box body (1), a cutting motor (6) is fixedly installed on an output shaft of the lifting air rod (5), an installation component (7) is fixedly installed on an output shaft of the cutting motor (6), a cutting component (7) is clamped with a cutting piece (8), the cutting piece (8) is arranged above the cutting table, an L-shaped deflection block (13) is arranged on the cutting table, and an end of an electric arc pushing sensor (14) is arranged at the end of the cutting table.
3. The high-precision milling device for the inner cavity of the valve body according to claim 2, wherein an outer end fixing sleeve (308) of the cutting motor (6) is provided with a first limiting sliding sleeve (9), an outer end of the first limiting sliding sleeve (9) is symmetrically and fixedly provided with a first limiting sliding rod (10), one end, away from the first limiting sliding sleeve (9), of the first limiting sliding rod (10) is fixedly provided with a first limiting sliding protrusion (11), one end, away from the first limiting sliding sleeve (9), of the first limiting sliding rod (10) is in sliding abutting connection with the inner wall of the dustproof box body (1), the inner wall of the dustproof box body (1) is provided with a first limiting sliding groove (12) matched with the first limiting sliding protrusion (11) to slide, and the first limiting sliding protrusion (11) is embedded in the first limiting sliding groove (12).
4. The high-precision milling device for the inner cavity of the valve body according to claim 2, wherein the valve body vibration-sensing clamp (2) comprises a vibration-sensing cylinder body (201), a vibration sensor (202), a vibration-sensing supporting spring block (203) and a vibration-sensing sliding block (204) are arranged in the vibration-sensing cylinder body (201), the vibration sensor (202) is fixedly arranged in the vibration-sensing supporting spring block (203), the outer end of the vibration-sensing sliding block (204) is slidably connected with the inner end of the vibration-sensing cylinder body (201), the vibration-sensing supporting spring block (203) is arranged between the vibration sensor (202) and the vibration-sensing sliding block (204) and is respectively abutted against the vibration sensor, a vibration-sensing sliding rod (205) is fixedly arranged at one end of the vibration-sensing sliding rod (205) far away from the vibration-sensing supporting spring block (203), a locking arc anti-slip sleeve (206) is fixedly arranged at one end of the vibration-sensing sliding rod (205) and penetrates through the inner wall of the vibration-sensing cylinder body (201) to extend to the outside of the vibration-sensing cylinder body and is fixedly arranged, a locking arc anti-slip sleeve (206) is arranged in the locking arc sleeve (207), the locking convex strips (207) are distributed in a sector shape, and a locking gasket (208) is arranged in the locking arc sleeve.
5. The high-precision milling device for the inner cavity of the valve body according to claim 4, wherein the vibration-sensing driving assembly (3) comprises a power box (301), a first bidirectional screw rod (305) is rotationally arranged in the power box (301), a nut seat (306) is symmetrically and threadedly arranged at the outer end of the first bidirectional screw rod (305), the nut seat (306) slidably penetrates through the top wall of the power box (301) and extends to the outside of the power box, an electric lifting rod (307) is fixedly installed on the top wall of the power box, a fixed sleeve (308) is fixedly connected to the output shaft of the electric lifting rod (307), a fixed sleeve (308) at the inner end of the fixed sleeve (308) is arranged at the outer end of the vibration-sensing cylinder body (201), a driven bevel gear (304) is arranged on the fixed sleeve (308) in the middle of the first bidirectional screw rod (305), a driving bevel gear (303) is engaged and connected to the outer end of the driven bevel gear (304), a servo motor (302) is in transmission connection with the driving bevel gear (303), and the output shaft of the servo motor (302) and the fixed sleeve (308) is arranged with the driving bevel gear (303).
6. The high-precision milling device for the inner cavity of the valve body according to claim 4, wherein the mounting assembly (7) comprises a locking cylinder body (701), the center of the top end of the locking cylinder body (701) is fixedly connected with the output shaft of the cutting motor (6), a second bidirectional screw rod (702) is rotatably arranged in the locking cylinder body (701), the outer end of the second bidirectional screw rod (702) is symmetrically and threadedly sleeved with a second limiting sliding sleeve (704), the top end of the second limiting sliding sleeve (704) is fixedly provided with a second limiting sliding projection (708), the second limiting sliding projection (708) is slidably connected with the locking cylinder body (701), the locking cylinder body (701) is provided with a second limiting sliding groove (709) matched with the second limiting sliding projection (708) to slide, the second limiting sliding projection (708) is slidably embedded in the second limiting sliding groove (709), the bottom end of the second limiting sliding sleeve (704) is fixedly connected with a second limiting sliding rod (705), the bottom end of the second limiting sliding sleeve (705) is arc-shaped, the locking sliding projection (705) is symmetrically provided with two locking sliding projections (707), the locking sliding rod (707) extends to the inner wall of the cutting cylinder body (701), and the cutting cylinder body (701) is fixedly sleeved with a cutting element (701), and the locking slide bar (706) and the second limiting slide bar (705) are arranged in parallel, one end of the second bidirectional screw rod (702) penetrates through the inner wall of the locking cylinder body (701) through the bearing in a rotating mode to extend to the outside of the locking cylinder body, and the fixed sleeve (308) is connected with a rotating wheel (703).
7. The high-precision milling device for the inner cavity of the valve body according to claim 6, characterized in that the cutting piece (8) comprises a bearing sleeve (801), the bearing sleeve (801) is matched with the shape of the outer end of the bottom of the locking cylinder body (701), the bearing sleeve (801) is sleeved on the outer end of the bottom of the locking cylinder body (701), a plurality of connecting rods (803) are fixedly arranged at the outer end of the bearing sleeve (801), a cutting arc cutter (804) is fixedly connected to the outer end of each connecting rod (803), and a bearing groove (802) matched with the locking protrusion (707) for locking is formed in the bearing sleeve (801).
8. The high-precision milling device for the inner cavity of the valve body according to claim 1, is characterized in that the sorting control unit comprises the following specific working steps:
the sorting control unit acquires a three-dimensional view of a valve body and a preset three-dimensional view of the valve body stored in the cloud server in real time, then overlaps the three-dimensional view of the valve body and the preset three-dimensional view of the valve body, marks a convex area and a concave area of the three-dimensional view of the inner cavity of the valve body, and then calculates the total volume of the convex area of the inner cavity of the valve body and the total volume of the concave area of the inner cavity of the valve body;
then comparing the total volume of the depressed area of the inner cavity of the valve body with a depressed volume threshold value, and when the total volume of the depressed area of the inner cavity of the valve body is not less than the minimum value of the depressed volume threshold value and the total volume of the depressed area of the inner cavity of the valve body is not more than the maximum value of the depressed volume threshold value, generating a depressed complementary signal; when the total volume of the sunken area of the inner cavity of the valve body is larger than the maximum value of the sunken volume threshold value of the inner cavity of the valve body, a melting recasting signal is generated; when the total volume of the concave area of the inner cavity of the valve body is smaller than the minimum value of the concave volume threshold value, comparing the total volume of the convex area of the inner cavity of the valve body with a preset convex volume, and when the total volume of the convex area of the inner cavity of the valve body is smaller than the preset convex volume, generating a rough grinding control signal;
when the total volume of the sunken area of the inner cavity of the valve body is smaller than the minimum value of the sunken volume threshold value and when the total volume of the convex area of the inner cavity of the valve body is not smaller than the preset convex volume, generating a cutting control signal;
after the signal is generated, the corresponding part is controlled to work to complete the pre-screening and cutting work,
in the cutting process, the real-time vibration quantity of the valve body and the real-time vibration frequency of the valve body in the cutting process are acquired through the cloud server, the cutting completion signal is generated by combining the total volume of the protruding area of the valve body, and the valve body is pushed onto the rough grinding transmission belt after the cutting completion signal is generated.
9. The high-precision milling device for the inner cavity of the valve body according to claim 1 is characterized in that the specific working steps of the motion detection unit are as follows:
the action detection unit acquires the standard deviation TC and sends the standard deviation TC to the cloud server for storage, so that the action detection unit can carry out timing segment detection on the action detection unit, when the mean value of the standard deviation TC in a certain time period is not smaller than the action preset mean value, it is indicated that an operation and maintenance worker needs to assist the operation and maintenance valve body milling unit, and when the mean value of the standard deviation TC in a certain time period is smaller than the action preset mean value, a reminding text of 'operation and maintenance are not needed in the time period' is edited.
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| CN202211270613.8A CN115351336B (en) | 2022-10-18 | 2022-10-18 | High-precision milling device for valve body inner cavity |
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| CN202211270613.8A CN115351336B (en) | 2022-10-18 | 2022-10-18 | High-precision milling device for valve body inner cavity |
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| CN115351336B CN115351336B (en) | 2023-06-30 |
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| CN115351336B (en) | 2023-06-30 |
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