CN115401231A - Rotary chuck with accurate angle adjustment and angle adjustment method thereof - Google Patents
Rotary chuck with accurate angle adjustment and angle adjustment method thereof Download PDFInfo
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- CN115401231A CN115401231A CN202211359252.4A CN202211359252A CN115401231A CN 115401231 A CN115401231 A CN 115401231A CN 202211359252 A CN202211359252 A CN 202211359252A CN 115401231 A CN115401231 A CN 115401231A
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- 230000005540 biological transmission Effects 0.000 claims abstract description 93
- 238000009434 installation Methods 0.000 claims abstract description 32
- 238000005259 measurement Methods 0.000 claims description 59
- 230000001360 synchronised effect Effects 0.000 claims description 8
- 238000003825 pressing Methods 0.000 claims description 2
- 230000005684 electric field Effects 0.000 description 2
- 230000005355 Hall effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B31/00—Chucks; Expansion mandrels; Adaptations thereof for remote control
- B23B31/02—Chucks
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Abstract
The invention discloses a rotary chuck with accurate angle adjustment and an angle adjustment method thereof, which are applied to the technical field of rotary chucks and have the technical scheme that: the device comprises a base, an installation gear, a chuck device, an angle adjusting mechanism, a measuring device and a measuring device, wherein the base is rotatably connected with the installation gear, the installation gear is rotatably connected with the chuck device based on the angle adjusting mechanism, the base is provided with a first measuring gear, a second measuring gear and a third measuring gear, the first measuring gear, the second measuring gear and the third measuring gear are arranged on the base and are used for accurately measuring the rotating angle of the installation gear and accurately driving the installation gear to rotate, the measuring device comprises a first measuring gear, a second measuring gear and a third measuring gear which are arranged from top to bottom and are coaxial with a central line, a measuring scale is carved on the base and the rotating speed ratio between the three measuring gears is 10:1:0.1, the first measuring gear being driven by the mounting gear and the transmission ratio between the first measuring gear and the mounting gear being 1:10; has the technical effects that: compact structure, angle modulation precision is high.
Description
Technical Field
The invention relates to the technical field of rotating chucks, in particular to a rotating chuck with an accurate angle adjustment and an angle adjustment method thereof.
Background
The chuck is a mechanical device used for clamping a workpiece on a machine tool, is often used for turning a bar on the machine tool or is used as a rotary clamp in a machining center, a cutter generally keeps a certain angle with the workpiece and keeps fixed in the machining process of the machining center, the application is single, and if the workpiece clamped and fixed on the chuck can be randomly changed into the angle in the horizontal direction and the vertical direction, the practicability of the chuck is greatly increased.
At present, chinese utility model with publication number CN213531847U discloses a space angle adjustable clamping tool, including base, plane dial, plane revolving stage, concave cylindrical surface fixing base, double-cylinder surface revolving stage, convex cylindrical surface revolving stage and three-jaw chuck that set gradually from the lower supreme.
The utility model discloses a rotation of the protruding face of cylinder revolving stage and the two face of cylinder revolving stages that have the scale and the location of plane revolving stage rotate, will fix the article on the three-jaw chuck and carry out the adjustment of arbitrary angle in three-dimensional space, make and be fixed behind the position of arbitrary orientation, however, this utility model only realizes the regulation of angle through observing the scale and contrast scale, and its angle regulation precision is subject to the influence of scale precision, and the regulation precision is not accurate enough, has the modified space.
In the prior art, an encoder is used for angle identification, such as a photoelectric encoder, a magnetoelectric encoder and the like, angle measurement is mainly carried out according to Hall effect, photoelectric and magnetic field principles, but on one hand, the encoder is high in use cost, and the use cost of enterprises can be greatly increased; on the other hand, the encoder has weak interference resistance, and can influence the measurement precision under the conditions of strong magnetic fields, strong electric fields and strong vibration.
Disclosure of Invention
The invention aims to provide the rotary chuck with the accurate angle adjustment, and the rotary chuck has the advantages of compact structure and high angle adjustment accuracy.
The technical purpose of the invention is realized by the following technical scheme: a rotary chuck with an accurate angle adjustment comprises a base, wherein a plurality of mounting holes are uniformly formed in the base; rotate on the base and be connected with the installation gear, rotate on the installation gear and be connected with the chuck device who is used for pressing from both sides tight work piece based on angle adjustment mechanism, be equipped with on the base by installation gear drive is used for the accurate measurement installation gear rotation angle's measuring device and be used for the accurate drive installation gear rotatory drive arrangement, measuring device is including first measuring gear, second measuring gear and the third measuring gear that from top to bottom sets up with the axial lead, be equipped with the measurement scale with the axle center carving on the base, the rotation ratio between the three measuring gear is 10:1:0.1, the first measuring gear being driven by the mounting gear and the transmission ratio between the first measuring gear and the mounting gear being 1:10.
the invention is further configured to: the measuring device is characterized in that the measuring device further comprises a first transmission assembly arranged between the first measuring gear and the second measuring gear and a second transmission assembly arranged between the second measuring gear and the third measuring gear, the first transmission assembly comprises a first transmission gear meshed with the first measuring gear and a second transmission gear meshed with the second measuring gear, the second transmission gear is coaxially and fixedly arranged on the first transmission gear, and the transmission ratio between the first measuring gear and the first transmission gear is 5:1, the transmission ratio between the second transmission gear and the second measuring gear is 2:1, the gear ratio of the first transmission gear to the second transmission gear is 5: the second transmission assembly also comprises a third transmission gear meshed with the second measuring gear and a fourth transmission gear meshed with the third measuring gear, and the transmission ratio between the second measuring gear and the third transmission gear is 2:1, the transmission ratio between the fourth transmission gear and the third measuring gear is 5:1, the gear ratio between the third transmission gear and the fourth transmission gear is 4:1.
the invention is further configured to: the measuring scales comprise a first scale and a second scale, the first scale is used for indicating the rotation angle of the first measuring gear and the second measuring gear, the second scale is used for indicating the rotation degree of the third measuring gear, the first scale is made of 180 scales and comprises 18 large scales which are uniformly distributed in a 180-degree range, 9 small scales are uniformly arranged between every two large scales, the second scale comprises 37 scales which are uniformly distributed in a 36-degree range, the first scale is overlapped with the 0 scale of the second scale, scale pointers are fixedly arranged on the upper surfaces of the first measuring gear and the third measuring gear, the two scale pointers are fixedly arranged on the first measuring gear and the second measuring gear and are respectively a 0-bit scale pointer and a 180-bit scale pointer, a scale pointer which is a 0-bit scale pointer is arranged on the third measuring gear, and when the third measuring gear is in an initial state, the three 0-bit scale pointers all point at the 0-degree scale of the measuring scales.
The invention is further configured to: the number of teeth of the first measuring gear is between 17 and 23.
The invention is further configured to: drive arrangement including rotate set up in the base surface, be used for the drive first drive gear and the second drive gear of installation gear rotation, fixed being equipped with on the base is used for driving respectively first drive gear with rotatory first driving motor and the second driving motor of second drive gear, first drive gear with the drive ratio between the installation gear is not less than 5:1, the transmission ratio between the second driving gear and the mounting gear is not lower than 10:1.
the invention is further configured to: the first driving motor and the second driving motor both use servo motors.
The invention is further configured to: angle adjustment mechanism is in including the symmetry setting the seat is adjusted to the arc on installation gear surface, the arc adjust the seat on seted up with the arc hole of sliding of arc regulation seat arc center coincidence, chuck device's center of rotation equally with the arc center coincidence of arc regulation seat, the outside extension of the last autogyration central symmetry of chuck device be equipped with slide set up in the post that slides in the arc hole of sliding, keep away from on the post that slides chuck device's one end is fixed be equipped with the arc rack of arc regulation seat arc center coincidence, installation gear fixed surface is equipped with and is used for the drive the adjusting part of arc rack at 0-90 degrees within range internal rotation.
The invention is further configured to: the adjusting part including the symmetry rotate set up in adjusting gear on the terminal surface of arc regulation seat outside, adjusting gear's rotation center with the arc center coincidence of arc regulation seat, adjusting gear's rotation center department is fixed to be equipped with and adjusts drive gear, the fixed rotary driving motor that is equipped with on the installation gear, fixed being equipped with on rotary driving motor's the output shaft is used for the drive adjust drive gear's synchronous drive gear, synchronous drive gear with adjust the drive ratio between the drive gear and be not less than 3:1.
the invention is further configured to: and a third scale for measuring the rotation angle of the chuck device is arranged on the arc-shaped adjusting seat.
A second object of the present invention is to provide an angle adjusting method, which has an advantage of high angle adjusting accuracy.
The technical purpose of the invention is realized by the following technical scheme: an angle adjusting method applied to the rotary chuck with accurate angle adjustment according to any one of the above technical solutions, includes:
step 1, driving a mounting gear to rotate by a driving device;
step 2, the mounting gear drives the first measuring gear so that the rotating angle of the mounting gear is amplified by ten times, the first measuring gear continues to drive the second measuring gear and the third measuring gear, and the rotating angle of the mounting gear is accurately represented by the rotating angles of the three measuring gears;
reading the readings of the first measuring gear, the second measuring gear and the third measuring gear respectively by referring to the measuring scales, wherein the reading of the first measuring gear is the accurate value of the first position of the decimal point of the rotating angle of the mounting gear, the estimated value of the second position after the decimal point is estimated, the reading of the second measuring gear is the accurate value of the unit of the rotating angle of the mounting gear, the reading of the third measuring gear is the accurate values of the tens and hundreds of rotating angles of the mounting gear, the rotating angles of the mounting gear are read by combining the three measuring gears, and the driving device is continuously operated to enable the rotating angle of the mounting gear to be the same as the set angle;
and 4, controlling the angle adjusting mechanism to adjust the angle of the chuck device relative to the surface of the base.
In conclusion, the invention has the following beneficial effects:
1. the measuring device sets the transmission ratio between the first measuring gear and the mounting gear to be 1 through setting the first measuring gear, the second measuring gear and the third measuring gear which are coaxially arranged from top to bottom: 10, the rotation angle of the mounting gear is amplified by 10 times and represented on the first measuring gear, while accurately setting the rotation speed ratio between the three measuring gears to 10:1:0.1, the rotating angle of the first measuring gear is reduced by 100 times and accurately displayed on the three measuring gears respectively, the rotating angle of the mounting gear can be rapidly and accurately read by combining the scale pointers arranged on the three measuring gears respectively, the accurate value of the first position after the decimal point of the rotating angle of the mounting gear can be accurately read, the estimated value of the second position after the decimal point can be estimated and read, the rotating angle of the rotary chuck is accurate to 0.1 degree, namely the rotating precision is improved by 10 times, and the adjusting precision of the chuck is improved;
2. the measuring device is composed of the gear system, the structure is stable and compact, and the measuring precision is not easily influenced by processing vibration;
3. the driving device is provided with two driving gears and a transmission ratio between the first driving gear and the mounting gear is not lower than 5:1, the transmission ratio between the second driving gear and the mounting gear is not lower than 10:1, the first driving gear drives the mounting gear to rotate to realize quick adjustment of the mounting gear, and when fine adjustment of the angle is required, fine adjustment of the angle of the mounting gear can be realized only by controlling the second driving gear, so that the rotation precision of the driving gear is improved;
4. compared with the encoder in the prior art, the angle measurement is realized by using a gear meshing transmission mode, on one hand, the manufacturing cost and the use cost are low, and the use cost of an enterprise can be greatly reduced under the condition of ensuring certain measurement precision, on the other hand, the angle measurement method is realized by mainly meshing gears without using precise parts, and the stable measurement precision can still be ensured under the conditions of strong magnetic field, strong electric field, strong vibration and the like.
Drawings
Fig. 1 is an overall configuration diagram of the present embodiment;
FIG. 2 is a plan view of the entire structure of the present embodiment;
FIG. 3 isbase:Sub>A sectional view of the structure of FIG. 2 taken along the line A-A;
fig. 4 is an enlarged schematic view of a portion B in fig. 2.
Reference numerals: 1. a base; 11. mounting a plate; 12. mounting holes; 13. accommodating grooves; 2. mounting a gear; 3. a chuck device; 31. a card holder; 32. a three-jaw chuck; 33. a chuck driving motor; 34. rotating the rod; 35. sliding the column; 4. an angle adjusting mechanism; 41. an arc-shaped adjusting seat; 42. an arc-shaped sliding hole; 43. an arc-shaped rack; 44. an adjustment assembly; 441. an adjusting gear; 442. adjusting the drive gear; 443. a rotary drive motor; 444. a synchronous drive gear; 45. rotating the hole; 5. a measuring device; 51. a first measuring gear; 52. a second measuring gear; 53. a third measuring gear; 54. a first transmission assembly; 541. a first drive gear; 542. a second transmission gear; 55. a second transmission assembly; 551. a third transmission gear; 552. a fourth transmission gear; 56. measuring scales; 561. a first scale; 562. a second scale; 57. a scale pointer; 6. a drive device; 61. a first drive gear; 62. a second drive gear; 63. a first drive motor; 64. a second drive motor.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Example 1:
referring to fig. 1, a rotation type chuck with accurate angle adjustment, including a base 1 which is fixedly installed on a horizontal processing table and has a square structure, four side ends at the bottom of the base 1 are fixedly provided with an installation plate 11, the installation plate 11 is provided with a strip-shaped installation hole 12 to realize the fixed installation of the base 1 on a workbench of a processing center based on bolts, an installation gear 2 is rotatably connected to the upper surface of the base 1 away from the processing table, a chuck device 3 for clamping a workpiece is rotatably connected to the installation gear 2 based on an angle adjusting mechanism 4, the base 1 is provided with a driving device 6 driven by the installation gear 2, a measuring device 5 for accurately measuring the rotation angle of the installation gear 2 and a driving device 6 for accurately driving the installation gear 2 to rotate, and an accommodating groove 13 for accommodating the measuring device 5 and the driving device 6 is formed in the base 1.
Referring to fig. 1 and 3, specifically, the measuring device 5 includes a first measuring gear 51, a second measuring gear 52 and a third measuring gear 53 which are arranged from top to bottom and have the same axial line, the axial lines of the three measuring gears are all arranged along the vertical direction, and the rotation speed ratio between the first measuring gear 51, the second measuring gear 52 and the third measuring gear 53 is 10:1:0.1, the first measuring gear 51 is driven by the mounting gear 2 and the transmission ratio between the first measuring gear 51 and the mounting gear 2 is 1:10, a first transmission assembly 54 is arranged between the first measuring gear 51 and the second measuring gear 52 for realizing a transmission ratio of 10:1, a second transmission assembly 55 is also arranged between the second measuring gear 52 and the third measuring gear 53 for ensuring that the transmission ratio between the second measuring gear 52 and the third measuring gear 53 is 10:1, three measuring gear linkage are used for showing the rotation angle of installation gear 2, and the base 1 is carved with three measuring gear with the same axle center and is equipped with measurement scale 56. In the present embodiment, the number of teeth of the first measurement gear 51 is between 17 and 23, and is not lower than 17 teeth to avoid undercutting, and preferably 17 teeth, and the number of teeth Z1=17 of the first measurement gear 51 is taken.
Referring to fig. 1 and 3, in particular, the first transmission assembly 54 includes a first transmission gear 541 meshed with the first measurement gear 51 and a second transmission gear 542 meshed with the second measurement gear 52, the second transmission gear 542 is coaxially and fixedly disposed on the first transmission gear 541, and a transmission ratio between the first measurement gear 51 and the first transmission gear 541 is 5:1, the transmission ratio between the second transmission gear 542 and the second measuring gear 52 is 2:1, the gear ratio of the first transmission gear 541 to the second transmission gear 542 is 5:2, the numbers of teeth of the first transmission gear 541 and the second transmission gear 542 are Za =85 and Zb =34, respectively, and the number of teeth Z2=68 of the second measurement gear 52, so that the transmission ratio i1= (Za/Z1) x (Z2/Zb) =85/17x68/34=10 between the first measurement gear 51 and the second measurement gear 52, that is, the first measurement gear 51 rotates 360 degrees and the second measurement gear 52 rotates 36 degrees, similarly, the second transmission assembly 55 also includes a third transmission gear 551 engaged with the second measurement gear 52 and a fourth transmission gear 552 engaged with the third measurement gear 53, and the transmission ratio between the second measurement gear 52 and the third transmission gear 551 is 2:1, the transmission ratio between the fourth transmission gear 552 and the third measuring gear 53 is 5:1, the gear ratio between the third drive gear 551 and the fourth drive gear 552 is 4:1, the tooth numbers of the third transmission gear 551 and the fourth transmission gear 552 are Zc =136 and Zd =34, and the tooth number Z3=170 of the second measurement gear 52, so that the gear ratio i2= (Zc/Z2) x (Z3/Zd) =136/68x170/34=10 between the second measurement gear 52 and the third measurement gear 53, that is, when the second measurement gear 52 rotates 360 degrees, the third measurement gear 53 rotates 36 degrees.
Referring to fig. 1, 2 and 4, in particular, the measurement scales 56 include a first scale 561 for indicating the rotation angles of the first measurement gear 51 and the second measurement gear 52 and a second scale 562 for indicating the rotation degrees of the third measurement gear 53, the first scale 561 uses a 180-scale system and includes 18 large scales uniformly distributed in a 180-degree range, each 18 large scales are marked as 0, 9 small scales are uniformly arranged between each large scale, each 9 small scales are 1, 2 and 3, 8230, 9, the included angle between adjacent small scales is 1 degree, the second scale 562 includes 37 scales uniformly distributed in a 36-degree range, each 37 scales is 0, 1 and 2, 8230, 36, the included angle between adjacent scales is also 1 degree, the first scale 561 coincides with the initial 0 scale of the second scale 562 and the initial 0 scale is arranged at one end of the holding tank 13 along the long side direction, the scale pointers 57 are fixedly arranged on the upper surfaces of the first measurement gear 51 to the third measurement gear 53, the two scale pointers 57 are fixedly arranged on the first measurement gear 51 and the second measurement gear 52, and are respectively a 0-bit scale pointer and a 180-bit scale pointer, so that the scale pointers 57 are prevented from being hidden and cannot be observed, the scale pointer 57 is a 0-bit scale pointer on the third measurement gear 53, and the three 0-bit scale pointers are all pointed at the 0-degree scale of the measurement scale 56 in the initial state, if the mounting gear 2 is required to rotate (100j +10k + n + 0.1m) ° (j =0, 1, 2, 3, k, n, m is any positive integer between 0 and 9 and 100j +10k +0.1m is always kept in the range of 0-360 °), the mounting gear 2 drives the first measurement gear 51 to rotate 10 (100j +10k + 0.10m), finally, the scale pointer 57 fixed on the first measurement gear 51 points between a certain adjacent small scale of the first scale 561, the smaller value of the adjacent small scale is taken as m, similarly, the second measurement gear 52 rotates (100j +10k + n + 0.1m) °, the scale pointer 57 finally fixed on the second measurement gear 52 points between a certain adjacent small scale of the first scale 561, the smaller value is likewise taken as n, the third measurement gear 53 rotates (100j +10k + n + 0.1m) °/10, the scale pointer 57 fixed on the third measurement gear 53 points between a pair of adjacent scales of the second scale 562, the smaller value of the scale is 10j + k, and when the mounting gear 2 needs to rotate 100j +10k + n +0.1m +0.01z, the value of z can be obtained by estimating the proportion of the scale pointer 57 arranged on the first measurement gear 51 to the adjacent small scale, for example, when the mounting gear 2 needs to be rotated by 166.65 °, the first measurement gear 51 rotates 1666.5 °, minus 1440 ° and minus 180 ° to obtain 46.5 °, the smaller value is m =6, and it is estimated that z =5, and similarly the second measurement gear 52 rotates 1666.5 °, the scale pointer 57 on the second measurement gear 52 points between 6 and 7 small scales in the 16 th scale grid, the smaller value is n =6, the third measurement gear 53 rotates 16.665 °, the scale pointer 57 on the third measurement gear 53 points between 16 and 17 of the second scale 562, j =1, k =6, thereby reading that the angle of rotation of the mounting gear 2 is 100x1+10x6+ 0.1x6+0.01x5, which is 166.65 °, and the adjustment precision is high.
Referring to fig. 1 and 3, in particular, the driving device 6 includes a first driving gear 61 and a second driving gear 62 rotatably disposed on the surface of the base 1 for driving the mounting gear 2 to rotate, a first driving motor 63 and a second driving motor 64 are fixedly disposed on the base 1 for respectively driving the first driving gear 61 and the second driving gear 62 to rotate, and a transmission ratio between the first driving gear 61 and the mounting gear 2 is not lower than 5:1, the transmission ratio between the second driving gear 62 and the mounting gear 2 is not lower than 10: the first driving gear 61 is used for realizing the quick adjustment of the mounting gear 2, the second driving gear 62 is used for realizing the slow adjustment of the mounting gear 2, the first driving gear 61 and the second driving gear 62 can not be adjusted simultaneously, and when a certain driving gear is used, a driving motor for driving the other driving gear is in a free state to avoid the damage to the driving motor caused by the self-locking of the motor. In the present embodiment, the first drive motor 63 and the second drive motor 64 each use a servo motor, thereby facilitating accurate control of the rotation angle of the mounting gear 2.
Referring to fig. 1 and 2, in particular, the chuck device 3 includes a cassette 31 having a 7-shaped structure, a three-jaw chuck 32 for clamping a workpiece is rotatably connected to one end of the cassette 31, a chuck driving motor 33 for driving the three-jaw chuck 32 to rotate is fixedly arranged at the other end of the cassette 31, the chuck driving motor 33 drives the three-jaw chuck 32 to rotate based on an internal bevel gear structure, rotating rods 34 are symmetrically arranged at two sides of a rotation center of the cassette 31, and in this embodiment, the chuck driving motor 33 also uses a servo motor.
Referring to fig. 1 and 2, specifically, the angle adjusting mechanism 4 is used for adjusting an angle between the chuck device 3 and the base 1, the angle adjusting mechanism 4 includes arc adjusting seats 41 symmetrically and fixedly disposed on the surface of the mounting gear 2 along a central axis of the mounting gear 2, arc sliding holes 42 coinciding with arc centers of the arc adjusting seats 41 are formed in the arc adjusting seats 41, rotating holes 45 for accommodating the rotating rods 34 are formed in arc centers of the arc adjusting seats 41, the rotating holes 45 are in clearance fit with the rotating rods 34, sliding columns 35 slidably disposed in the arc sliding holes 42 are symmetrically and outwardly extended from the rotating rods 34 on the chuck device 3, arc racks 43 coinciding with arc centers of the arc adjusting seats 41 are fixedly disposed at one ends of the sliding columns 35 far away from the chuck device 3, third scales for measuring a rotation angle of the chuck device 3 are disposed on the arc adjusting seats 41, the third scales are formed by using a 90-degree scale system, scale pointers 57 for referring to the third scales are also fixedly disposed on the sliding columns 35, and an adjusting assembly 44 for driving the arc racks 43 to rotate within a range of 0-90-degree is fixedly disposed on the surface of the mounting gear 2. Specifically, the adjusting assembly 44 includes an adjusting gear 441 symmetrically and rotatably disposed on an outer end face of the arc-shaped adjusting seat 41, the adjusting gear 441 is disposed at only 1/4 of the arc-shaped adjusting seat 41, interference between the adjusting gear 441 and the surface of the mounting gear 2 is avoided, a rotation center of the adjusting gear 441 coincides with an arc center of the arc-shaped adjusting seat 41, an adjusting drive gear 442 is fixedly disposed at the rotation center of the adjusting gear 441 based on a sleeve, a rotation drive motor 443 is fixedly disposed on the mounting gear 2, a synchronous drive gear 444 for driving the adjusting drive gear 442 to rotate is fixedly disposed on an output shaft of the rotation drive motor 443, and a transmission ratio between the synchronous drive gear 444 and the adjusting drive gear 442 is not lower than 3:1, when the angle between chuck device 3 for the base 1 needs to be adjusted, control rotation driving motor 443 drives synchronous drive gear 444 and rotates certain angle, thereby drive adjustment drive gear 442 is rotatory at a slow speed, thereby it is rotatory to adjust drive gear 442 and realize driving adjustment gear 441, because adjustment gear 441 meshes with arc rack 43, thereby adjustment gear 441 is rotatory to drive arc rack 43 and is rotatory to drive sliding column 35 and use the arc center of arc regulation seat 41 as the center of rotation, slide in arc sliding hole 42, then drive chuck device 3 and rotate around rotation hole 45, thereby through observing the fixed angle that sets up on sliding column 35 scale pointer 57 indicates the position on the third scale and can obtain chuck device 3 and installation gear 2 angle between the surface, moreover, the steam generator is simple in structure.
Example 2:
an angle adjusting method applied to a rotary chuck with precise angle adjustment as in embodiment 1; the method comprises the following steps:
step 1, firstly, determining an angle which needs to be rotated by the chuck device 3, namely an angle which needs to be rotated by the mounting gear 2, and representing the angle as (100j +10k + n +0.1m + 0.01z) °, (j =0, 1, 2, 3, k, n, m and z are any positive integer between 0 and 9, and 100j +10k + n +0.1m +0.01z always keeps in a range of 0 to 360 ℃), and then controlling the driving device 6 to drive the mounting gear 2 to rotate;
step 2, the mounting gear 2 drives the first measuring gear 51, so that the rotation angle of the mounting gear 2 is amplified by ten times, the first measuring gear 51 continues to drive the second measuring gear 52 and the third measuring gear 53 to rotate through the first transmission assembly 54 and the second transmission assembly 55, and the rotation angle of the mounting gear 2 is accurately represented by the rotation angles of the three measuring gears;
step 3, reading the readings of the first measuring gear 51, the second measuring gear 52 and the third measuring gear 53 respectively corresponding to the measuring scales 56 by referring to scale pointers 57 fixedly arranged on the three measuring gears;
step 3.1, a scale pointer 57 arranged on the first measuring gear 51 points between certain adjacent small scales of the first scale 561, a smaller value of the adjacent small scales is taken as an accurate value m of a first decimal point of the rotation angle of the mounting gear 2, an estimated value z is obtained by observing the proportion of the scale pointer 57 on the first measuring gear 51 on the adjacent small scales, a reading of the second measuring gear 52 is an accurate value of a single decimal point of the rotation angle of the mounting gear 2, a smaller value of the scales is taken as n by observing the position of the scale pointer 57 fixed on the second measuring gear 52 points between certain adjacent small scales of the first scale 561, a reading of the third measuring gear 53 is taken as accurate values of ten and hundred decimal points of the rotation angle of the mounting gear 2, and a smaller value of the scales is taken as 10k by observing the position of the scale pointer 57 fixed on the third measuring gear 53 points between a pair of adjacent scales of the second scale 562;
step 3.2, the data read out in step 3.1 is brought into (100j +10k + n +0.1m + 0.01z) ° so as to read out the rotation angle of the mounting gear 2 at this time;
step 3.3, driving the first driving gear 61 to rotate by driving the first driving motor 63 so as to drive the mounting gear 2 to rotate rapidly, so that the scale pointer 57 fixedly arranged on the third measuring gear 53 points to 10j + k of the second scale 562 rapidly, then stopping the rotation of the first driving motor 63, driving the second driving gear 64 to drive the second driving gear 62 to rotate so as to drive the mounting gear 2 to rotate slowly, so that the scale pointer 57 fixedly arranged on the second measuring gear 52 points to the n small scales of the scale grid where the first scale 561 is located, continuing to drive the mounting gear 2 to rotate slowly and observing that the scale pointer 57 fixedly arranged on the first measuring gear 51 points to the m small scales in the scale grid where the first scale 561 is located, and continuing to rotate the mounting gear 2 slowly so that the scale pointer 57 arranged on the first measuring gear 51 points to the z/10 position where the small scales m to m +1, namely, so that the rotation angle of the mounting gear 2 is the same as the set angle;
and 4, controlling the angle adjusting mechanism 4 to adjust the angle of the chuck device 3 relative to the surface of the base 1.
The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications of the present embodiment without inventive contribution as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present invention.
Claims (10)
1. A rotary chuck with accurate angle adjustment comprises a base (1); its characterized in that, it is connected with installation gear (2) to rotate on base (1), be connected with chuck device (3) that are used for pressing from both sides tight work piece based on angle adjustment mechanism (4) rotation on installation gear (2), be equipped with on base (1) by installation gear (2) drive is used for the accurate measurement installation gear (2) rotation angle's measuring device (5) and be used for the accurate drive installation gear (2) rotatory drive arrangement (6), measuring device (5) are including first measuring gear (51), second measuring gear (52) and third measuring gear (53) that from top to bottom set up with the axial lead, on base (1) with the axle center carve be equipped with measure scale (56), the rotation ratio between the three measuring gear is 10:1:0.1, the first measuring gear (51) being driven by the mounting gear (2) and the transmission ratio between the first measuring gear (51) and the mounting gear (2) being 1:10.
2. the rotary chuck with precise angular adjustment according to claim 1, wherein the measuring device (5) further comprises a first transmission assembly (54) disposed between the first measuring gear (51) and the second measuring gear (52) and a second transmission assembly (55) disposed between the second measuring gear (52) and the third measuring gear (53), the first transmission assembly (54) comprises a first transmission gear (541) meshed with the first measuring gear (51) and a second transmission gear (542) meshed with the second measuring gear (52), the second transmission gear (542) is coaxially and fixedly disposed on the first transmission gear (541), and a transmission ratio between the first measuring gear (51) and the first transmission gear (541) is 5:1, the transmission ratio between the second transmission gear (542) and the second measuring gear (52) is 2:1, the gear ratio of the first transmission gear (541) to the second transmission gear (542) is 5:2, the second transmission assembly (55) also comprises a third transmission gear (551) meshing with the second measuring gear (52) and a fourth transmission gear (552) meshing with the third measuring gear (53), the transmission ratio between the second measuring gear (52) and the third transmission gear (551) being 2:1, the transmission ratio between the fourth transmission gear (552) and the third measuring gear (53) being 5:1, the gear ratio between the third transmission gear (551) and the fourth transmission gear (552) is 4:1.
3. the rotary chuck with precise angle adjustment according to claim 2, wherein the measurement scales (56) comprise a first scale (561) for indicating the rotation angle of the first measurement gear (51) and the second measurement gear (52) and a second scale (562) for indicating the rotation degree of the third measurement gear (53), the first scale (561) uses a 180-degree scale and comprises 18 large scales uniformly distributed in a 180-degree range, 9 small scales are uniformly arranged between each large scale, the second scale (562) comprises 37 scales uniformly distributed in a 36-degree range, the first scale (561) is overlapped with the 0 scale of the second scale (562), the upper surfaces of the first measurement gear (51) to the third measurement gear (53) are all fixedly provided with scale pointers (57), the first measurement gear (51) and the second measurement gear (52) are fixedly provided with two pointers (57), respectively are a 0-bit scale and a 180-bit scale, and the third measurement gear (53) is provided with scale pointers (57), and the third measurement pointer (57) is provided with the scale (57) at the initial state where the third pointer (57) is at the initial position where the pointer (57).
4. A rotary chuck with precision angular adjustment according to claim 2, wherein the number of teeth of said first measuring gear (51) is comprised between 17 and 23.
5. The rotary chuck with precise angle adjustment according to claim 1, wherein the driving device (6) comprises a first driving gear (61) and a second driving gear (62) rotatably disposed on the surface of the base (1) for driving the mounting gear (2) to rotate, a first driving motor (63) and a second driving motor (64) for respectively driving the first driving gear (61) and the second driving gear (62) to rotate are fixedly disposed on the base (1), and a transmission ratio between the first driving gear (61) and the mounting gear (2) is not lower than 5:1, the transmission ratio between the second driving gear (62) and the mounting gear (2) is not lower than 10:1.
6. the rotary chuck for precise angular adjustment according to claim 5, characterized in that the first drive motor (63) and the second drive motor (64) both use servo motors.
7. The rotary chuck with precise angle adjustment according to claim 1, wherein the angle adjustment mechanism (4) comprises an arc adjustment seat (41) symmetrically disposed on the surface of the mounting gear (2), an arc sliding hole (42) coinciding with the arc center of the arc adjustment seat (41) is formed in the arc adjustment seat (41), the rotation center of the chuck device (3) also coincides with the arc center of the arc adjustment seat (41), a sliding column (35) slidably disposed in the arc sliding hole (42) is symmetrically and outwardly extended from the rotation center on the chuck device (3), an arc rack (43) coinciding with the arc center of the arc adjustment seat (41) is fixedly disposed at one end of the sliding column (35) far away from the chuck device (3), and an adjustment assembly (44) for driving the arc rack (43) to rotate within a range of 0-90 degrees is fixedly disposed on the surface of the mounting gear (2).
8. The rotary chuck with precise angle adjustment according to claim 7, wherein the adjusting assembly (44) comprises an adjusting gear (441) symmetrically and rotatably disposed on an outer end face of the arc-shaped adjusting seat (41), a rotation center of the adjusting gear (441) coincides with an arc center of the arc-shaped adjusting seat (41), an adjusting driving gear (442) is fixedly disposed at the rotation center of the adjusting gear (441), a rotary driving motor (443) is fixedly disposed on the mounting gear (2), a synchronous driving gear (444) for driving the adjusting driving gear (442) is fixedly disposed on an output shaft of the rotary driving motor (443), and a transmission ratio between the synchronous driving gear (444) and the adjusting driving gear (442) is not lower than 3:1.
9. the rotary chuck with precise angle adjustment according to claim 8, wherein the arc-shaped adjusting seat (41) is provided with a third scale for measuring the rotation angle of the chuck device (3).
10. An angle adjusting method applied to a rotary chuck with accurate angle adjustment as claimed in any one of the above claims 1 to 9; it is characterized by comprising:
step 1, a driving device (6) drives an installation gear (2) to rotate;
step 2, the mounting gear (2) drives the first measuring gear (51) to enable the rotating angle of the mounting gear (2) to be amplified by ten times, the first measuring gear (51) continues to drive the second measuring gear (52) and the third measuring gear (53), and the rotating angle of the mounting gear (2) is accurately represented by the rotating angles of the three measuring gears;
step 3, reading out the readings of the first measuring gear (51), the second measuring gear (52) and the third measuring gear (53) respectively by referring to the measuring scale (56), wherein the reading of the first measuring gear (51) is the first accurate value of the rotation angle decimal point of the mounting gear (2), the estimated value of the second position after the decimal point can be estimated, the reading of the second measuring gear (52) is the accurate value of the rotation angle unit of the mounting gear (2), the reading of the third measuring gear (53) is the accurate values of the rotation angle tens and the hundreds of the mounting gear (2), the rotation angles of the mounting gear (2) are read out by combining the three measuring gears, and the driving device (6) is continuously operated to ensure that the rotation angle of the mounting gear (2) is the same as the set angle;
and 4, controlling the angle adjusting mechanism (4) to adjust the angle of the chuck device (3) relative to the surface of the base (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211359252.4A CN115401231A (en) | 2022-11-02 | 2022-11-02 | Rotary chuck with accurate angle adjustment and angle adjustment method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211359252.4A CN115401231A (en) | 2022-11-02 | 2022-11-02 | Rotary chuck with accurate angle adjustment and angle adjustment method thereof |
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| Publication Number | Publication Date |
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| CN115401231A true CN115401231A (en) | 2022-11-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211359252.4A Pending CN115401231A (en) | 2022-11-02 | 2022-11-02 | Rotary chuck with accurate angle adjustment and angle adjustment method thereof |
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| CN (1) | CN115401231A (en) |
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| CN215238968U (en) * | 2021-06-10 | 2021-12-21 | 银川怡祥矿山机械制造有限公司 | But aircraft nose fixture is adjusted to multi-angle |
| CN216657569U (en) * | 2021-10-14 | 2022-06-03 | 漳州理工职业学院 | Support bracket for art design convenient to accurate counterpoint |
| CN217167276U (en) * | 2021-12-28 | 2022-08-12 | 宁波百华数控机械有限公司 | Lifting type turnover welding positioner |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2614833Y (en) * | 2003-02-17 | 2004-05-12 | 深圳市大族激光科技股份有限公司 | Scale ring rotary marking working table |
| CN211052600U (en) * | 2019-11-30 | 2020-07-21 | 章丘市普锐锻压有限公司 | Drilling machine convenient for drilling flange |
| KR20210070513A (en) * | 2019-12-05 | 2021-06-15 | (주)에스앤에스테크 | Device for angle division |
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| CN217167276U (en) * | 2021-12-28 | 2022-08-12 | 宁波百华数控机械有限公司 | Lifting type turnover welding positioner |
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Application publication date: 20221129 |