CN211291377U - Air pressure detection mechanism for verticality of nut - Google Patents
Air pressure detection mechanism for verticality of nut Download PDFInfo
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- CN211291377U CN211291377U CN201922147464.6U CN201922147464U CN211291377U CN 211291377 U CN211291377 U CN 211291377U CN 201922147464 U CN201922147464 U CN 201922147464U CN 211291377 U CN211291377 U CN 211291377U
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Abstract
The utility model discloses a nut straightness air pressure detection mechanism that hangs down is equipped with on its organism: the standard screw tap is driven to move up and down and rotate by a screw tap driving device; the screw tap progress detection mechanism is fixed at a detection position; the air pressure detection structure comprises: a standard screw taper hole is formed in the air pressure detection plate, and the nut to be detected penetrates through the standard screw taper hole; the standard screw tap hole is taken as the center, and air outlet holes are uniformly distributed on the periphery of the standard screw tap hole; each air outlet hole is provided with a relatively independent flow channel in the air pressure detection plate, and the upper plane and the lower plane of the air pressure detection plate are parallel; the air pressure detection air pipes are correspondingly connected with the air inlet ends of the flow passages, and the other ends of the air pressure detection air pipes are connected with the same air pressure source; the air pressure detection switches are respectively arranged on each air pressure detection pipe; when the standard screw tap is driven by the screw tap driving device to normally screw into the nut to be detected and the pressure of each air pressure detection switch is consistent, the verticality of the nut to be detected is qualified.
Description
Technical Field
The utility model relates to the field of machinary, the more specifically nut straightness air pressure detection mechanism that hangs down for detecting nut that says so.
Background
Nuts are common components in mechanical production. Some precision devices have high precision requirements on the nut, especially the perpendicularity between the flange surface of the nut and the central threaded hole, so that the precision of the nut needs to be measured. The current measurement of nuts is done by manual cooperation with a measuring tool. However, the manual measurement has certain errors and subjective consciousness differences, and the required detection precision cannot be achieved frequently.
SUMMERY OF THE UTILITY MODEL
Because prior art has above-mentioned technical problem, this application provides a nut straightness air pressure detection mechanism that hangs down, and its aim at overcomes the error that detects the precision that artifical detection exists.
In order to achieve the technical purpose, the following technical scheme is adopted in the application:
nut straightness air pressure detection mechanism that hangs down, it includes a organism, be equipped with on the organism: the standard tap is driven to move up and down and rotate by a tap driving device; the screw tap progress detection mechanism is fixed on the machine body and corresponds to a detection position; atmospheric pressure detects structure, it includes: the air pressure detection plate is provided with a standard screw taper hole, and the nut to be detected penetrates through the standard screw taper hole; a plurality of air outlet holes are uniformly distributed around the standard screw taper hole by taking the standard screw taper hole as the center; each air outlet hole is provided with a relatively independent flow channel in the air pressure detection plate, and the upper plane and the lower plane of the air pressure detection plate are parallel; one end of each air pressure detection air pipe is respectively connected with the air inlet ends of the corresponding flow passages one by one, and the other end of each air pressure detection air pipe is connected with the same air pressure source; the air pressure detection switches are respectively arranged on each air pressure detection air pipe and are used for respectively detecting the air pressure change in the corresponding air pressure detection air pipe; when the standard screw tap is driven by the screw tap driving device to normally screw into the nut to be detected and the pressure of each air pressure detection switch is consistent, the verticality of the nut to be detected is qualified.
Preferably, the tap driving means includes: rotary mechanism, it drives standard tap precession the nut that awaits measuring, it includes: the servo motor is fixed on the machine body through a motor mounting plate; the servo motor is connected with a screw tap chuck through a coupler, a spline sleeve, a bearing and a lower spline shaft, and the screw tap chuck is connected with the standard screw tap; the first slide mechanism drives the standard tap to move up and down, and the first slide mechanism comprises: the sliding block movable seat is provided with a through hole, the spline shaft penetrates through the through hole, and the sliding block movable seat drives the bearing to move; the first guide rail is fixed on the machine body, and the sliding block movable seat is combined on the first guide rail; the first cylinder is arranged on the machine body and connected with the sliding block movable seat to drive the sliding block movable seat to move up and down along the first guide rail.
Preferably, an oil buffer is disposed on the machine body and correspondingly disposed below the first cylinder for buffering the first cylinder.
Preferably, the air pressure detecting plate is connected to a detecting slide mechanism, and the detecting slide mechanism includes: one side surface of the detection slide block is connected with the air pressure detection plate, the other side of the detection slide block is connected to a second guide rail, and the second guide rail is fixed on the machine body; the bottom of the detection slide block is provided with an inclined slope; a detection drive mechanism comprising: a third guide rail penetrating through the front mounting plate of the machine body; the driving cylinder is connected to the part, located on the rear side of the front mounting plate, of the third guide rail through a driving slide block; the bearing is arranged on the part of the third guide rail positioned on the front surface of the front mounting plate; the bearing supports the inclined section of the detection slide block; the bearing is connected with the driving cylinder through a connecting piece, and the bearing is driven to move up and down through the driving cylinder so as to push the detection slide block to drive the air pressure detection plate.
Preferably, the machine body comprises the front mounting plate, two side mounting plates and a sliding table, and the front mounting plate and the two side mounting plates are respectively fixed on the sliding table.
Preferably, the slip table includes upper sliding table, lower sliding table, regulation structure, wherein: the lower surface of the upper sliding table is provided with a sliding chute; the upper surface of the lower sliding table is provided with a sliding block, the upper sliding table is connected to the sliding block of the lower sliding table, and the lower sliding table is provided with an adjusting hole; the adjustment structure includes: the front and rear adjusting hand wheel is inserted into the upper sliding table through a gear shaft; the left and right adjusting hand wheels are connected in the lower sliding table through a hand wheel clamping seat, and the left and right adjusting hand wheels are adjusted to adjust the lower sliding table to move left and right relative to the upper sliding table; the first rack is fixed in the adjusting hole, the first rack is meshed with the gear shaft to adjust the front-back adjusting hand wheel, and the upper sliding table is opposite to the lower sliding table to move back and forth.
Preferably, the tap progress detecting mechanism includes: the sensing slide block is connected to the second guide rail; the second rack is fixed beside the second guide rail; the adjusting screw rod penetrates through the sensing slide block and is meshed with the second rack, and the adjusting screw rod is adjusted to drive the sensing slide block to move up and down along the second guide rail; and the sensor is arranged at the bottom of the sensor sliding block.
Owing to adopt above-mentioned technical means, the nut straightness air pressure detection mechanism that hangs down of this application passes through the automatic detection of realization to the nut such as air pressure detection structure, detects accurately, and production efficiency is high.
Drawings
Fig. 1 is a schematic perspective view of an embodiment of the present application;
FIG. 2 is a schematic diagram of the present application;
FIG. 3 is a side view of the present application with respect to FIG. 1;
fig. 4 is an exploded view of fig. 1 of the present application.
Detailed Description
The technical solution of the present invention is further specifically described below by way of examples and with reference to the accompanying drawings.
Fig. 1 is a schematic perspective view of an embodiment of the present application. The utility model provides a nut straightness air pressure detection mechanism that hangs down includes parts such as a organism, screw tap drive arrangement, standard screw tap, screw tap process detection mechanism, air pressure detection structure and detection slide mechanism.
Referring to fig. 1, 3 and 4, the machine body includes a front mounting plate 1, two side mounting plates 2, a rear shield 3, a front shield 4 and a sliding table 5. The front mounting plate 1 mainly provides mounting support, the mounting plates 2 on two sides, the rear protective cover 3 and the front protective cover 4 form a machine body into a cladding protection structure, and the sliding table 5 provides bottom support and can realize position adjustment.
The standard tap 6 is used as a standard part for detecting the internal thread of the nut. The master tap 6 is driven in its up and down movement and rotational movement by the tap drive.
As shown in fig. 1, 3 and 4, the tap driving apparatus includes a rotating mechanism and a first sliding mechanism. The rotary mechanism comprises a servo motor 7 which is secured to the front mounting plate 1 by a motor mounting plate 701. The servo motor 7 is connected with a tap chuck 8 through a coupler 702, a spline housing 703, a bearing 704 and a lower spline shaft 705, and the tap chuck 8 is connected with the standard tap 6. The rotating mechanism drives the standard screw tap 6 to rotate under the driving of the servo motor 7 through the components so as to be screwed into the nut 9 to be tested. The first sliding mechanism drives the standard tap 6 to move up and down. As shown in fig. 3, the first slide mechanism includes a slider movable base 10, a first rail 11, a first cylinder 12, and the like. As shown in fig. 4, a through hole 101 is formed in the slide block movable seat 10, and the spline shaft 705 passes through the through hole 101 to connect the tap holder 8 with the servo motor 7. The first guide rail 11 is fixed on the front surface of the front mounting plate 1, and the sliding block sliding seat 10 is fixed on a sliding block 103 through a sliding seat connecting plate 102 and then is combined on the first guide rail 11. The first cylinder 12 is arranged on the back surface of the front mounting plate 1, and the first cylinder 12 is connected with the sliding block 103 to drive the sliding block movable seat to move up and down along the first guide rail 11. Therefore, the standard screw tap 6 can move up and down and rotate into the nut to be measured 9 under the driving of the screw tap driving device.
As shown in fig. 3, a hydraulic shock absorber 13 is provided on the rear surface of the front mounting plate 1. The hydraulic shock absorber 13 is correspondingly disposed below the first cylinder 12, and configured to absorb shock from the first cylinder 12.
The screw tap progress detection mechanism is fixed on the front mounting plate 1 and corresponds to a detection position. The detection position is convenient for observing the distance that the standard screw tap can be screwed into the nut 9 to be detected under the fixed driving of the servo motor. As shown in fig. 1, 3 and 4, the tap progress detection mechanism includes a sensor slider 14, a second guide rail 15, a second rack 16, an adjustment screw 17, a sensor 18, and the like. The sensing carriage 14 is attached to the second rail 15. A second rack 16 is fixed beside the second guide rail 15. An adjusting screw 17 penetrates through the sensing slide block 14 and is meshed with the second rack 16, and the adjusting screw 17 is adjusted to drive the sensing slide block 14 to move up and down along the second guide rail 15. The sensor 18 is arranged at the bottom of the sensor slide 14. The adjustment of the position of the sensor 18 can be achieved by adjusting the screw 17.
As shown in fig. 1 to 4, the air pressure detecting structure includes an air pressure detecting plate 19, an air pressure detecting pipe 20, an air pressure detecting switch 21, and the like. As shown in fig. 2, a standard tap hole 1901 is formed in the air pressure detecting plate 19, and the standard tap hole 1901 is used for installing the nut 9 to be tested, so that the centers of the standard tap hole 1901, the nut 9 to be tested and the standard tap 6 are on the same straight line. The standard tap hole 1901 is used as a center, and six air outlet holes 1902 are uniformly distributed around the standard tap hole. Each air outlet 1902 has a relatively independent flow channel in the air pressure detecting plate 19. The air inlet end of each flow passage is respectively connected with an air pressure detection pipe 20. The upper plane and the lower plane of the air pressure detection plate are parallel. The other ends of the air pressure detection pipes are connected with the same air pressure source, so that the air pressure in each air pressure detection pipe 20 is equal. The six air pressure detecting switches 21 are respectively and correspondingly arranged on each air pressure detecting air pipe 20. The air pressure detection switches 21 are used to detect the air pressure changes in the corresponding air pressure detection pipes 20. When the standard screw tap is driven by the screw tap driving device to normally screw into the nut to be detected and the pressure of each air pressure detection switch is consistent, the verticality of the nut to be detected is qualified.
The air pressure detecting plate 19 is attached to a detecting slide mechanism, as shown in fig. 3. The detection sliding mechanism comprises a detection sliding block 22, a detection driving mechanism, a driving air cylinder and the like. The detailed illustration is shown in connection with fig. 3. One side surface of the detection sliding block 22 is connected 19, the other side of the detection sliding block 22 is connected to a second guide rail 15, and the second guide rail 15 is fixed on the machine body. The bottom of the detection slide block 22 is provided with an inclined slope surface. The detection drive mechanism includes a third guide rail 23, a drive cylinder 24, a bearing 25, and the like. The third guide rail 23 penetrates the front mounting plate 1 of the machine body. A driving cylinder 24 is connected to a portion of the third rail 23 located at the rear side of the front mounting plate 1 through a driving slider 26. A bearing 25 is provided on a portion of the third rail 23 located on the front surface of the front mounting plate 1. The bearing 25 supports the inclined profile of the detection slide 22. The bearing 25 is connected with the driving cylinder 24 through a connecting piece, and the driving cylinder 24 drives the bearing 25 to move back and forth to push against the detection slide block 22 so as to drive the air pressure detection plate 19 to move up and down and back and forth.
Referring to fig. 1 and 4, the sliding table 5 includes an upper sliding table 501, a lower sliding table 502 and an adjusting structure. The lower surface of the upper sliding table 501 is provided with a sliding groove. The upper surface of lower sliding table 502 is equipped with the slider, upper sliding table 501 connect in on the slider of lower sliding table 502. An adjusting hole 503 is formed on the lower sliding table 502. The adjusting structure comprises a front and back adjusting handwheel 504, a left and right adjusting handwheel 505, a first rack 506 and a gear shaft 507. The front and rear adjusting handwheel 504 is connected with the gear shaft 507 and is inserted in the upper sliding table 501. The first rack 506 is fixed in the adjusting hole 503, and the first rack 506 is engaged with the gear shaft 507 to adjust the front and back adjusting handwheel 504, so that the upper sliding table 501 moves back and forth relative to the lower sliding table 502. The left and right adjusting hand wheels 505 are connected in the lower sliding table 502 through a hand wheel clamping seat 508, the hand wheel clamping seat 508 is fixed on the ground or an installation surface, and the lower sliding table 502 is adjusted relative to the upper sliding table 501 to move left and right through adjustment of the left and right adjusting hand wheels 505.
The principle of the present application is as follows, please refer to fig. 2.
The nut 9 to be measured is fixed on the standard tap hole 1901 of the air pressure detection plate 19. The air pressure detection pipes 20 connected with the six air outlet holes around the standard tap hole 1901 are all connected with the same air supply source, so that the air pressure in each air pressure detection pipe 20 is ensured to be equal.
The standard tap 6 penetrates through an air pressure detection plate 19 and is screwed into the nut 9 to be detected, and the upper plane and the lower plane of the air pressure detection plate 19 are parallel. If the central threaded hole of the nut 9 to be tested is vertical to the upper plane of the nut, the tiny air outlet holes on the air pressure detection plate 19 can be uniformly compressed, the pressure values of the air pressure detection switches 21 are also equal, and therefore the condition that the perpendicularity of the central threaded hole of the nut to be tested and the upper flange face is qualified is judged. If the central threaded hole of the nut 9 to be tested is not perpendicular to the upper plane of the flange surface thereof, some small air outlets of the air pressure detection plate 19 are compressed and some air outlets leave gaps, the numerical value of the air pressure detection switch 21 corresponding to the compressed air outlets is larger, and the numerical value of the air pressure detection switch 21 corresponding to the air outlets leaving the gaps is smaller. Therefore, the verticality of the central threaded hole of the nut to be tested and the upper flange surface is judged to be unqualified.
If the standard tap 6 is not completely tightened in the nut under test 9, it is determined that the internal thread of the nut under test is defective. And the tightening depth of the master tap 6 is determined by the sensor 18.
In conclusion, the vertical air pressure detection mechanism for the nut can effectively realize automatic detection and overcome subjective errors of manual detection.
The above-described embodiments are merely illustrative of the present invention and are not intended to limit the scope of the present invention. Those skilled in the art will recognize that changes and modifications can be made in the invention as described herein without departing from the scope of the invention as defined by the appended claims.
Claims (7)
1. Nut straightness air pressure detection mechanism that hangs down, it includes a organism, its characterized in that, be equipped with on the organism:
the standard tap is driven to move up and down and rotate by a tap driving device;
the screw tap progress detection mechanism is fixed on the machine body and corresponds to a detection position;
atmospheric pressure detects structure, it includes:
the air pressure detection plate is provided with a standard screw taper hole, and the nut to be detected penetrates through the standard screw taper hole; a plurality of air outlet holes are uniformly distributed around the standard screw taper hole by taking the standard screw taper hole as the center; each air outlet hole is provided with a relatively independent flow channel in the air pressure detection plate, and the upper plane and the lower plane of the air pressure detection plate are parallel;
one end of each air pressure detection air pipe is respectively connected with the air inlet ends of the corresponding flow passages one by one, and the other end of each air pressure detection air pipe is connected with the same air pressure source;
the air pressure detection switches are respectively arranged on each air pressure detection air pipe and are used for respectively detecting the air pressure change in the corresponding air pressure detection air pipe;
when the standard screw tap is driven by the screw tap driving device to normally screw into the nut to be detected and the pressure of each air pressure detection switch is consistent, the verticality of the nut to be detected is qualified.
2. The pneumatic detection mechanism for the verticality of the nut according to claim 1, wherein the tap driving device comprises:
rotary mechanism, it drives standard tap precession the nut that awaits measuring, it includes:
the servo motor is fixed on the machine body through a motor mounting plate;
the servo motor is connected with a screw tap chuck through a coupler, a spline sleeve, a bearing and a lower spline shaft, and the screw tap chuck is connected with the standard screw tap; the first slide mechanism drives the standard tap to move up and down, and the first slide mechanism comprises:
the sliding block movable seat is provided with a through hole, the spline shaft penetrates through the through hole, and the sliding block movable seat drives the bearing to move;
the first guide rail is fixed on the machine body, and the sliding block movable seat is combined on the first guide rail;
the first cylinder is arranged on the machine body and connected with the sliding block movable seat to drive the sliding block movable seat to move up and down along the first guide rail.
3. The nut verticality air pressure detecting mechanism according to claim 2, wherein a hydraulic buffer is arranged on the machine body and correspondingly arranged below the first air cylinder for buffering the first air cylinder.
4. The air pressure detecting mechanism for verticality of nut according to claim 1, wherein said air pressure detecting plate is connected to a detecting slide mechanism, said detecting slide mechanism comprises:
one side surface of the detection slide block is connected with the air pressure detection plate, the other side of the detection slide block is connected to a second guide rail, and the second guide rail is fixed on the machine body; the bottom of the detection slide block is provided with an inclined slope;
a detection drive mechanism comprising:
a third guide rail penetrating through the front mounting plate of the machine body;
the driving cylinder is connected to the part, located on the rear side of the front mounting plate, of the third guide rail through a driving slide block;
the bearing is arranged on the part of the third guide rail positioned on the front surface of the front mounting plate; the bearing supports the inclined section of the detection slide block; the bearing is connected with the driving cylinder through a connecting piece, and the bearing is driven to move up and down through the driving cylinder so as to push the detection slide block to drive the air pressure detection plate.
5. The nut verticality air pressure detecting mechanism according to claim 4, wherein the machine body comprises the front mounting plate, two side mounting plates and a sliding table, and the front mounting plate and the two side mounting plates are respectively fixed on the sliding table.
6. The nut straightness atmospheric pressure detection mechanism that hangs down of claim 5, characterized in that, the slip table includes slip table, lower slip table, regulation structure, wherein:
the lower surface of the upper sliding table is provided with a sliding chute;
the upper surface of the lower sliding table is provided with a sliding block, the upper sliding table is connected to the sliding block of the lower sliding table, and the lower sliding table is provided with an adjusting hole;
the adjustment structure includes:
the front and rear adjusting hand wheel is inserted into the upper sliding table through a gear shaft;
the left and right adjusting hand wheels are connected in the lower sliding table through a hand wheel clamping seat, and the left and right adjusting hand wheels are adjusted to adjust the lower sliding table to move left and right relative to the upper sliding table;
the first rack is fixed in the adjusting hole, the first rack is meshed with the gear shaft to adjust the front-back adjusting hand wheel, and the upper sliding table is opposite to the lower sliding table to move back and forth.
7. The pneumatic detection mechanism for the verticality of the nut according to claim 4, wherein the screw tap progress detection mechanism comprises:
the sensing slide block is connected to the second guide rail;
the second rack is fixed beside the second guide rail;
the adjusting screw rod penetrates through the sensing slide block and is meshed with the second rack, and the adjusting screw rod is adjusted to drive the sensing slide block to move up and down along the second guide rail;
and the sensor is arranged at the bottom of the sensor sliding block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922147464.6U CN211291377U (en) | 2019-12-04 | 2019-12-04 | Air pressure detection mechanism for verticality of nut |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922147464.6U CN211291377U (en) | 2019-12-04 | 2019-12-04 | Air pressure detection mechanism for verticality of nut |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211291377U true CN211291377U (en) | 2020-08-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922147464.6U Active CN211291377U (en) | 2019-12-04 | 2019-12-04 | Air pressure detection mechanism for verticality of nut |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211291377U (en) |
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2019
- 2019-12-04 CN CN201922147464.6U patent/CN211291377U/en active Active
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