CN102645169A - Precise thread parameter detecting system - Google Patents
Precise thread parameter detecting system Download PDFInfo
- Publication number
- CN102645169A CN102645169A CN2011100486497A CN201110048649A CN102645169A CN 102645169 A CN102645169 A CN 102645169A CN 2011100486497 A CN2011100486497 A CN 2011100486497A CN 201110048649 A CN201110048649 A CN 201110048649A CN 102645169 A CN102645169 A CN 102645169A
- Authority
- CN
- China
- Prior art keywords
- thread
- chaining pin
- level
- tested
- measuring
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Landscapes
- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The invention discloses a precise thread parameter detecting system, which comprises a measuring assembly and a positioning device, wherein coordinate changes in the horizontal and vertical directions in the contact scanning process of a touch pin and an element to be tested are recorded through three groups of optical gratings, the three groups of records are synthesized through a computer, and various parameters of threads are obtained through analysis and calculation according to relevant definitions of thread parameters, the measuring assembly structurally comprises an upright post, a driving motor, three groups of optical gratings, an elastic bearing assembly, a measuring pin and measuring rod assembly and a guide rail assembly, the scanning track of the scanning touch pin can be enabled to be anastomotic with the upper contour line and the lower contour line of the thread meridian plane through the positioning device, and the precise thread parameter detecting system comprises a multifunctional work table, a special work table and corresponding cylindrical measuring bars. Through the technical scheme disclosed by the invention, all parameters of threads to be tested can be fast and effectively obtained through the scanning recording of the meridian contour lines of the threads to be tested.
Description
Technical field
The present invention relates to the screw thread detection technique, realize that through adopting chaining pin and thread surface contact scanning thread parameter detects, thoroughly changed slow, difficult, numerous, the thick situation of measuring thread parameter.
Background technology
Screw thread is a kind of structural member of extremely important and widespread usage in mechanical component, particularly has many screw members to be applied to quantitatively the occasion that (being geometric sense) transmits; There are many members to be applied to the environment of transmission of power.Their double threads are made precision has strict demand, therefore, needs the good detection means and verifies its technical parameter.
Can detect through the measurement instrument of routine for parameters such as major diameter of threads, but can't directly measure for the detection of pitch diameter of thread class parameter, can only adopt by frock combination to measure, difficulty is big; Measurement result must be passed through complicated calculations, does not have whole parameters that a kind of detecting instrument can double thread once to carry out accurately measuring fast even to this day.
For these reasons, a kind of instrument of measuring fast of whole parameters that can double thread of exploitation necessitates.
Summary of the invention
To the problem in the above-mentioned background technology, the present invention proposes the accurate detection system of a kind of thread parameter, and purpose is to realize once detecting all kinds of thread parameters through contact scanning.
In order to address the above problem, technical scheme of the present invention is:
The accurate detection system of a kind of thread parameter is characterized in that, comprising:
One measures assembly; The parameter of tested screw thread is carried out precision detect, driving box descended the columns assemblies, of the changes in coordinates of vertical moving to be used to realize the sensor base plate and the electric appliance box of screw thread testing result on the whole when the driving box assembly, that comprises changes in coordinates and the vertical direction changes in coordinates of a horizontal direction when being used to detect contact pilotage and measured piece contact scanning was used to detect on the screw thread antimeridian;
The alignment system components of one measured piece is arranged on a side of said measurement assembly, is used to place front and back position, the level that tested screw thread guarantees that said measurement assembly detects and can regulate tested screw thread and rotates on a small quantity and the left and right directions inclination.
Said columns assemblies comprises:
One column, be equipped with in the said column precision ball screw with vertical to drive motor, said drive motor is connected through cog belt with ball-screw;
One is sheathed on the overcoat that the column outside moves up and down through said ball-screw;
A pair ofly be used to write down the 3rd grating chi group that coordinate figure that overcoat moves up and down changes, be located at column respectively and put outward.
Said driving box assembly comprises:
One driving box, the level that is provided with in the said driving box is to drive motor, and said drive motor is fixed on the said driving box base plate, and the front of said driving box base plate and above-mentioned overcoat is screwed;
One set of rails comprises guide rail and guide pin bushing, and guide pin bushing is connected to drive motor with said level to the flute profile band through level;
The level of move left and right displacement of one record chaining pin is to grating chi group, and its grating chi group is moving, decide grating is installed in respectively on said guide rail and the guide pin bushing;
One elastic bearing group is fixed on the lower end of said guide pin bushing, and an end is connected with the measuring staff chaining pin, and the other end is connected with axial grating chi group;
One at when work chaining pin of directly contacting with measured piece of needle point, said chaining pin two ends all have can with the needle point of measured piece contact scanning;
The measuring staff of one fixing said chaining pin, said chaining pin is fixed in an end of said measuring staff, and an end of said measuring staff is connected with said elastic bearing group;
The axial grating chi group of vertical direction displacement when one record chaining pin laterally moves places on the end face of circular arc of the said elastic bearing group other end.
Said alignment system components comprises a multifunctional workstation, a dedicated and corresponding column type survey rod, and said dedicated places on the said multifunctional universal worktable.
Said multifunctional workstation comprises:
Base, stage body and table top, base are provided with the mounting blocks that the fixed position is used; Stage body is provided with to be transferred front and back wheel and level-off swiveling wheel that stage body is moved forward and backward with the table-surface level direction to rotate on a small quantity, and an end is hinged between stage body and the table top, and the other end is provided with the accent angle wheel that table top is tilted on a small quantity.
Said dedicated body is provided with places " V " shape groove that cylinder is surveyed rod or tested screw member; Said dedicated body interior is equipped with and is used to adsorb tested screw member; Guarantee the magnet steel that it is not moved when measuring; The right side is provided with and can lets the measuring staff turnover wherein, the opening of the upper end of assurance contact pilotage and the following end in contact of screw thread.
The sensor base plate of the accurate detection system of thread parameter of the present invention is installed in the substrate box of overcoat right flank, and is connected with the grating chi group of three groups of coordinate acquisitions variations.
In the special-purpose electric appliance box of the accurate detection system of thread parameter of the present invention power supply board and the control basal plate that the energy is provided is installed.
Principle of the present invention is: though the profile of screw thread is the curved surface of a screw type; But see from integral body; All meridian ellipses of shaft core line through threaded body and the intersection of thread contour face have comprised all parameters that need detect of screw thread; Thereby, can calculate by the program run of establishment through computer and obtain each parameter as long as the meridian outline line of tested screw thread is carried out sweep record.For authenticity and the validity that detects the tested part profile adopts the both sides of meridian surface profile to scan; For having adopted three coordinates of three groups of delicate metering gratings realizations, the real trace that obtains profile accurately measures; The coordinate figure employing program that each coordinate obtains is synthetic through computer: the concrete function of three coordinates is: coordinate one, and the record chaining pin is horizontal movement value when scanning; Coordinate two, chaining pin because of the profile traces of contact is not a straight line, thereby has in scanning process perpendicular to the coordinate figure variation on the direction that laterally moves and need record when transversal scanning; Coordinate three needs laterally zygomorphic both sides to measure owing to measure the profile of screw thread, thereby the coordinate figure record of the whole driving box function that moves up and down must be arranged and can realize variation the time.
Operation of the present invention is following:
At first select corresponding dedicated and corresponding cylinder to survey rod according to the specification of tested screw thread; To make multifunctional workstation transfer to level with the chaining pin scan method: multifunctional workstation to be placed dull and stereotyped go up and make the mounting blocks below the table base to insert the groove on the flat board; Again corresponding dedicated is placed on the multifunctional workstation; Let " V " shape groove of dedicated be on the same facade of the horizontal moving direction of scanning chaining pin, survey rod to corresponding cylinder and be placed in " V " shape groove of dedicated.
Start the scanning chaining pin, make on its face of cylinder that moves to the excellent right side of cylinder survey and to contact, rotate back and forth the accent front and back wheel on the multifunctional universal worktable, find the peak on the face of cylinder with the face of cylinder; Then chaining pin is moved to cylinder and survey on the face of cylinder in left side of rod and and contact, rotate back and forth the level-off swiveling wheel on the multifunctional universal worktable, find the peak on the face of cylinder with the face of cylinder; Again chaining pin being moved to cylinder surveys on the face of cylinder on the right of rod and with the face of cylinder and contacts; See whether chaining pin is in the peak on the face of cylinder; If not, continuing the adjustment of repetition front, analyzing spot is all at the peak on the face of cylinder when the chaining pin move left and right; If left and right sides peak just has notable difference, can suitably rotate the accent angle wheel.
Adjustment finishes, and tested screw member is replaced cylinder survey " V " shape groove that rod places dedicated, and the meridian of double thread member top scans; After the end; Chaining pin moves on to the right and leaves measured piece, starts vertically to drive motor, makes the column overcoat be moved downward to that needle point scans with following the contact also of screw thread on the chaining pin left; The end of scan shows related parameter and figure through computing machine output.
Through adopting technique scheme, the present invention can realize quick, effective, the precision measurement for the various technical parameters of various thread parts.
Description of drawings
Fig. 1 is a measurement modular construction synoptic diagram of the present invention.
Fig. 2 is the structural representation of alignment system components of the present invention.
Embodiment
For technological means, creation characteristic that the present invention is realized, reach purpose and effect and be easy to understand and understand, below in conjunction with concrete accompanying drawing and embodiment, further set forth the present invention.
Embodiment:
Like Fig. 1, shown in Figure 2, the accurate detection system of thread parameter of the present invention comprises:
One marble column 100; Be equipped with in the said marble column precision ball screw 110 with vertical to drive motor 120; Precision ball screw 110 with vertically be connected through cog belt 121 to drive motor 120; The outside is with the overcoat 130 of precision-fit with it, can drive down at ball-screw 110 move up and down, column with outside put and be furnished with a pair of the 3rd grating chi group 140 that is used to write down the coordinate figure variation that overcoat moves up and down; Must there be good planarity four sides of marble column, and must there be the good depth of parallelism on two opposites; Adjacent surface must have good verticality, and two relative inner faces of overcoat must have the good depth of parallelism and dimensional accuracy, and adjacent surface has good verticality, overcoat with can self-locking after the marble column cooperates, when mobile, move comfortable smoothly again; Column 100 lower surfaces are fixed on the dull and stereotyped (not shown) of marble;
One driving box 200, the level that is provided with in the driving box 200 are to drive motor 300, and drive motor 300 is fixed on the base plate 210 of driving box, and the base plate 210 of driving box is screwed on its external sleeve 130 leading flanks;
One set of rails 400; Comprise guide rail 410 and guide pin bushing 420, guide pin bushing 420 is connected to drive motor 300 with level to flute profile band 430 through level, and its workplace has fabulous rectilinearity; In moving process, do not produce any small beating, can not take place dull or wriggling;
One level is to grating chi group 500, and its grating chi group is moving, decide grating is installed in respectively on guide rail 410 and the guide pin bushing 420, writes down the displacement of the move left and right of chaining pin;
One elastic bearing group 600, it is fixed on the lower end of guide pin bushing 420, and its detection metering end is provided with the record chaining pin and changes the laterally axial grating chi group 610 of mobile vertical direction displacement of generation chaining pin because of the surperficial height of measured piece;
One at when work chaining pin 710 of directly contacting with measured piece of needle point, said chaining pin two ends all have can with the needle point of measured piece contact scanning;
The measuring staff 720 of one fixing said chaining pin, chaining pin 710 is fixed in the left end of measuring staff 720, and the right-hand member of measuring staff 720 is connected with elastic bearing group 600;
The axial grating chi group 610 of vertical direction displacement when one record chaining pin laterally moves places on the circular arc end face of right-hand member of elastic bearing group 600;
One sensor base plate 800 is installed in the substrate box of overcoat right flank, links to each other with said three groups of grating chi groups, and the signal input that three groups of gratings move is wherein sent into the track of the synthetic chaining pin scanning of computing machine after treatment, the true profile of reflection screw thread;
One special-purpose electric appliance box (not shown) is equipped with power supply board and control basal plate that the energy is provided in the case;
The alignment system components of one measured piece comprises a multifunctional workstation 900 and a dedicated 1000 and corresponding column type survey rod, and dedicated 1000 places on the multifunctional workstation 900.
Dedicated 1000 comprises worktable body 1010; The worktable body is provided with places " V " shape groove 1020 that cylinder is surveyed rod or tested screw member; This worktable right side is provided with and can lets the measuring staff turnover wherein; The opening 1030 of the upper end of assurance contact pilotage and the following end in contact of screw thread; And the adjustment of the geometric position through multifunctional workstation guarantees the up and down contour scanning of the chaining pin of instrument along the same meridian ellipse of above-below direction of screw thread, and said dedicated inside also is equipped with and is used to adsorb tested screw member, guarantees the magnet steel (not shown) that it is not moved when measuring.Said dedicated is surveyed rod with corresponding cylinder should possess a plurality of specifications to adapt to the screw thread of various outer diameter specification.
More than show and described ultimate principle of the present invention, principal character and advantage of the present invention.The technician of the industry should understand; The present invention is not restricted to the described embodiments; That describes in the foregoing description and the instructions just explains principle of the present invention; The present invention also has various changes and modifications under the prerequisite that does not break away from spirit and scope of the invention, and these variations and improvement all fall in the scope of the invention that requires protection.The present invention requires protection domain to be defined by appending claims and equivalent thereof.
Claims (6)
1. the accurate detection system of thread parameter is characterized in that, comprising:
One measures assembly; The parameter of tested screw thread is carried out precision detect, driving box descended the columns assemblies, of the changes in coordinates of vertical moving to be used to realize the sensor base plate and the electric appliance box of screw thread testing result on the whole when the driving box assembly, that comprises changes in coordinates and the vertical direction changes in coordinates of a horizontal direction when being used to detect contact pilotage and measured piece contact scanning was used to detect on the screw thread antimeridian; The alignment system components of one measured piece is arranged on the dull and stereotyped left side of said measurement unitized substructure, is used to place tested screw thread, guarantees that front and back position, level that said measurement assembly correctly detected and can regulate tested screw thread rotate on a small quantity and tilt.
2. the accurate detection system of thread parameter according to claim 1 is characterized in that said columns assemblies comprises
One column, be equipped with in the said column precision ball screw with vertical to drive motor, said drive motor is connected through cog belt with ball-screw;
One is sheathed on the overcoat that the column outside moves up and down through said ball-screw;
A pair ofly be used to write down the 3rd grating chi group that coordinate figure that overcoat moves up and down changes, be located at column respectively and put outward.
3. the accurate detection system of thread parameter according to claim 1 is characterized in that, said driving box assembly, and it comprises
One driving box, the level that is provided with in the said driving box are to drive motor, and said drive motor is fixed on the said driving box base plate;
One set of rails comprises guide rail and guide pin bushing, and guide pin bushing is connected to drive motor with said level to the flute profile band through level;
The level of the move left and right displacement of one record chaining pin is to grating chi group, and fixed, the moving grating of its grating chi group is installed in respectively on said guide rail and the guide pin bushing;
One elastic bearing group is fixed on the lower end of said guide pin bushing, and an end is connected with the measuring staff chaining pin, and the other end is connected with axial grating chi group;
One at when work chaining pin of directly contacting with measured piece of needle point, said chaining pin two ends all have can with the needle point of measured piece contact scanning;
The measuring staff of one fixing said chaining pin, said chaining pin is fixed in an end of said measuring staff, and the other end of said measuring staff is connected with said elastic bearing group;
The axial grating chi group of vertical direction displacement when one record chaining pin laterally moves places on the circular arc end face of the other end of said elastic bearing group.
4. the accurate detection system of thread parameter according to claim 1 is characterized in that, said alignment system components comprises a multifunctional workstation, a dedicated and corresponding column type survey rod, and said dedicated places on the said multifunctional workstation.
5. the accurate detection system of thread parameter according to claim 4 is characterized in that said multifunctional workstation comprises
Base, stage body and table top, base are provided with the mounting blocks that the fixed position is used; Stage body is provided with to be transferred front and back wheel and level-off swiveling wheel that stage body is moved forward and backward with the table-surface level direction to rotate on a small quantity, and an end is provided with hinge and is connected between stage body and the table top, and the other end is provided with the accent angle wheel that table top is tilted on a small quantity.
6. the accurate detection system of thread parameter according to claim 4; It is characterized in that; Said dedicated body is provided with places " V " shape groove that cylinder is surveyed rod or tested screw member, and said dedicated body interior is equipped with and is used to adsorb tested screw member, guarantees the magnet steel that its small power that chaining pin moves when measuring is not moved; The right side is provided with and can lets the measuring staff turnover wherein, the opening of the upper end of assurance contact pilotage and the following end in contact of screw thread.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011100486497A CN102645169A (en) | 2011-02-17 | 2011-03-01 | Precise thread parameter detecting system |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120040831 | 2011-02-17 | ||
| CN201120040831.3 | 2011-02-17 | ||
| CN2011100486497A CN102645169A (en) | 2011-02-17 | 2011-03-01 | Precise thread parameter detecting system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102645169A true CN102645169A (en) | 2012-08-22 |
Family
ID=46658146
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011100486497A Pending CN102645169A (en) | 2011-02-17 | 2011-03-01 | Precise thread parameter detecting system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102645169A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103148809A (en) * | 2013-02-26 | 2013-06-12 | 西安理工大学 | Petroleum pipe outer taper pipe thread parameter measuring device and measuring method |
| CN105277121A (en) * | 2014-06-23 | 2016-01-27 | 日产螺丝股份有限公司 | Automatic screw size measurement system |
| CN107976156A (en) * | 2017-12-05 | 2018-05-01 | 深圳市中图仪器股份有限公司 | A kind of active screw thread and profile scan device and method |
| CN108039647A (en) * | 2017-12-01 | 2018-05-15 | 湖北文理学院 | Spark-plug thread detection device and method |
-
2011
- 2011-03-01 CN CN2011100486497A patent/CN102645169A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103148809A (en) * | 2013-02-26 | 2013-06-12 | 西安理工大学 | Petroleum pipe outer taper pipe thread parameter measuring device and measuring method |
| CN103148809B (en) * | 2013-02-26 | 2016-06-08 | 西安理工大学 | Petroleum pipe outer taper pipe thread parameter measuring apparatus and measuring method |
| CN105277121A (en) * | 2014-06-23 | 2016-01-27 | 日产螺丝股份有限公司 | Automatic screw size measurement system |
| CN108039647A (en) * | 2017-12-01 | 2018-05-15 | 湖北文理学院 | Spark-plug thread detection device and method |
| CN107976156A (en) * | 2017-12-05 | 2018-05-01 | 深圳市中图仪器股份有限公司 | A kind of active screw thread and profile scan device and method |
| CN107976156B (en) * | 2017-12-05 | 2023-11-10 | 深圳市中图仪器股份有限公司 | Active thread and contour scanning device and method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102538700B (en) | Screw rotor type surface profile error measurement instrument | |
| CN106323202B (en) | A kind of the guide rail linearity measuring device and method of linear feeding system | |
| CN101886921B (en) | Measurement method and measurement accessory for zero point calibration of gear measuring center | |
| CN201221938Y (en) | Non-contact intelligent off-line testing instrument of large-scale cylinder workpiece | |
| CN102937409B (en) | Polar coordinate gear measurement center and zero calibrating method thereof | |
| CN103616007B (en) | A kind of micro parts flatness precision measurement apparatus | |
| CN201697614U (en) | Measuring instrument for measuring surface profile and roughness of small machine parts | |
| CN102636137B (en) | REVO (Resident Encrypted Variable Output) measuring head position posture calibrating method in joint arm type coordinate measuring machine | |
| TW201011182A (en) | Parallelism measurement device for movements on linear slide-rail | |
| CN204594373U (en) | A kind of lever measurement by magnification device | |
| CN108007295B (en) | Automatic detection device for M value and tooth surface jumping of worm | |
| CN102645169A (en) | Precise thread parameter detecting system | |
| CN105486745A (en) | Defect signal high-precision space imaging system and method based on alternating-current electromagnetic field | |
| CN103363923A (en) | Non-contact type gear tooth direction measuring method of laser vision distance measurement | |
| CN103292720B (en) | substrate deflection test method and system | |
| CN100549614C (en) | Be used to detect the device of the locus of the balladeur train that can on coordinate axis, move | |
| CN103630098B (en) | The non-contact detection method of straight-line displacement platform Motion Parallel degree | |
| CN109099862A (en) | Construction engineering quality flatness checking device | |
| CN102865854A (en) | Tilt angle measurement device | |
| CN110189880A (en) | Resistance jig and resistance adjuster | |
| CN103884270B (en) | Measurement apparatus and the method for two dimension minute angle is produced when Circular gratings is installed | |
| CN107449372B (en) | Laser triangle-based ball screw nut comprehensive parameter detection device and method | |
| CN102788550A (en) | Comprehensive visualization measuring instrument of multi-sensor shape and position errors | |
| CN109116052A (en) | Velocity sensor gap adjust automatically and detection device | |
| CN109520444A (en) | A kind of large-size horizontal tensile testing machine parallelism of machine body measuring device and its measurement method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20120822 |