1. A detection device for internal and external shrinkage holes of a circular casting part comprises a supporting mechanism, a clamping mechanism, a transmission mechanism and a detection mechanism; the method is characterized in that: the supporting mechanism comprises a swinging shell and a transverse plate, the swinging shell is fixed below the transverse plate, two swinging groups are arranged on the swinging shell, and a rotating group is arranged in the swinging shell; the clamping mechanism is arranged above the rotating group in a sliding mode and comprises a gear disc and a clamp, a sliding rail is arranged on the gear disc, the clamp is arranged on the sliding rail in a sliding mode, and a transmission belt is arranged on the clamping mechanism and the transmission mechanism in a rotating mode; the transmission mechanism comprises a transmission rod, the detection mechanism comprises a belt pulley and a detection group, a belt is connected to the transmission rod and the belt pulley, and the belt drives the detection group to move for detection.

2. The apparatus for detecting shrinkage cavities in round castings according to claim 1, wherein: the supporting mechanism further comprises a vertical plate and a swinging frame; the transverse plate and the vertical plate are fixedly installed at a right angle, the swinging shell is fixedly installed below the transverse plate, the two swinging groups are installed at a right angle, the swinging shell is arranged outside the rotating group, the middle part of the swinging frame is spherical, and the swinging frame is rotatably installed inside the swinging shaft.

3. The apparatus for detecting shrinkage cavities in round castings according to claim 2, wherein: the swing group comprises a pull rod and a slide rod; the swing shell is fixedly provided with a supporting plate, the pull rod penetrates through the supporting plate to be fixedly connected with the swing motor, the pull rod is rotatably provided with a slide rod, and the slide rod is rotatably arranged at the bottom of the swing frame.

4. The apparatus for detecting shrinkage cavities in round castings according to claim 2, wherein: the rotating group comprises a small bevel gear and a swinging shaft; the bevel pinion rotates and installs on the swing shell and rotates motor fixed connection, and the oscillating axle rotates and installs on the diaphragm, and bevel pinion and the bevel gear meshing of oscillating axle below rotate and install two gag lever posts above the oscillating axle, rotate on two gag lever posts and install the limiting plate, and clamping mechanism slidable mounting is on the limiting plate.

5. The apparatus for detecting shrinkage cavities in round castings according to claim 4, wherein: the clamping mechanism also comprises a round shell and a clamping gear; the round shell is slidably mounted on the limiting plate, the clamping gear is rotatably mounted on the round shell and fixedly connected with the clamping motor, the gear disc is rotatably mounted on the round shell, the clamping gear is meshed with the gear disc to rotate, the clamp is slidably mounted on the round shell, and the transmission belt is rotatably connected with the round shell and the transmission mechanism.

6. The apparatus for detecting shrinkage cavities in round castings according to claim 5, wherein: the transmission mechanism further comprises a driving rod and a relaxation rod, the top of the driving rod is fixedly mounted on the round shell, the bottom of the driving rod is slidably mounted on the transverse plate, two pushing rods are rotatably mounted on the driving rod and are rotatably connected with the relaxation rod, the relaxation rod is slidably mounted on the transverse plate, the driving rod is rotatably mounted on the transverse plate, a transmission belt is rotatably mounted on the top of the relaxation rod, the transmission rod and the round shell, and the detection mechanism is arranged above the transmission mechanism.

7. The apparatus for detecting shrinkage cavities in round castings according to claim 6, wherein: the detection mechanism further comprises a detection gear and a reciprocating rod; fixed mounting has the fixed plate on the riser, and the belt pulley rotates to be installed on the fixed plate, and the belt rotates to be installed at belt pulley and transfer line top, detects gear revolve and installs on the fixed plate, detects the gear engagement rotation at gear and belt pulley top, rotates on two last reciprocating lever and installs three eccentric wheel, and the right-hand member eccentric wheel passes fixed plate fixed mounting on detecting the gear, the eccentric wheel and the detection of left end organize fixed connection.

8. The apparatus for detecting shrinkage cavities in round castings according to claim 7, wherein: the detection group comprises a detection block and a cutting knife; the detection block is fixedly arranged on the eccentric wheel at the left end, and an ultraviolet lamp and a spray head are respectively arranged at two ends of the detection block; the cutting knife is fixedly arranged in the middle of the detection block.

9. The apparatus for detecting shrinkage cavities in round castings according to claim 8, wherein: fluorescent magnetic powder is arranged in the nozzle, and the cutting position of the cutting knife is determined by detecting air holes in the casting part through the ultraviolet lamp.

Background

The porosity belongs to one of the common defects of the casting, and refers to the defect that holes of the casting appear smooth in individual directions. Porosity is usually found after machining. The air holes can affect the service life and safety of a casting part, and the prior art (application number CN2018215344640) discloses a well lid verification device which comprises a base, a workbench and a casting part, wherein the top surface of the workbench is provided with four mounting grooves which are distributed annularly, a gravity sensor is mounted in each mounting groove, a gasket is fixed at the top of each gravity sensor, the casting part is placed on the top surface of each gasket, and the middle part of the workbench is provided with an ultrasonic flaw detector; the inside of connecting block is provided with the surge bin. This patent is though can adjust and detect along with the size of casting, but only to the single position of casting, and only to the well lid, can not detect the casting many places, and the deviation appears easily in the result.

Disclosure of Invention

Aiming at the technical problems, the technical scheme adopted by the invention is as follows: a detection device for internal and external shrinkage holes of a circular casting part comprises a supporting mechanism, a clamping mechanism, a transmission mechanism and a detection mechanism.

The supporting mechanism comprises a swinging shell and a transverse plate, the swinging shell is fixed below the transverse plate, two swinging groups are arranged on the swinging shell, and a rotating group is arranged in the swinging shell; the clamping mechanism is arranged above the rotating group in a sliding mode and comprises a gear disc and a clamp, a sliding rail is arranged on the gear disc, the clamp is arranged on the sliding rail in a sliding mode, and a transmission belt is arranged on the clamping mechanism and the transmission mechanism in a rotating mode; the transmission mechanism comprises a transmission rod, the detection mechanism comprises a belt pulley and a detection group, a belt is connected to the transmission rod and the belt pulley, and the belt drives the detection group to move for detection.

Furthermore, the supporting mechanism also comprises a vertical plate and a swinging frame; the transverse plate and the vertical plate are fixedly installed at a right angle, the swinging shell is fixedly installed below the transverse plate, the two swinging groups are installed at a right angle, the swinging shell is arranged outside the rotating group, and the swinging frame is arranged inside the rotating group.

Further, the swing group comprises a pull rod and a slide rod; the swing shell is fixedly provided with a supporting plate, the pull rod penetrates through the supporting plate to be fixedly connected with the swing motor, the pull rod is rotatably provided with a slide rod, and the slide rod is rotatably arranged at the bottom of the swing frame.

Further, the rotating group comprises a small bevel gear and a swinging shaft; the bevel pinion rotates and installs on the swing shell and rotates motor fixed connection, and the oscillating axle rotates and installs on the diaphragm, and bevel pinion and the bevel gear meshing of oscillating axle below rotate and install two gag lever posts above the oscillating axle, rotate on two gag lever posts and install the limiting plate, and clamping mechanism slidable mounting is on the limiting plate. The swinging group and the transmission group are matched to rotate, and the casting part on the clamping mechanism is enabled to do eccentric circular motion through the matching of the limiting plate.

Furthermore, the middle part of the swing frame is spherical, and the swing frame is rotatably arranged on the swing shaft. The middle part of the swing frame is spherical, so that the eccentric circular motion is more stable.

Further, the clamping mechanism also comprises a round shell and a clamping gear; the round shell is slidably mounted on the limiting plate, the clamping gear is rotatably mounted on the round shell and fixedly connected with the clamping motor, the gear disc is rotatably mounted on the round shell, the clamping gear and the gear disc are meshed to rotate, and the clamp is slidably mounted on the round shell. The clamp slides on the circular shell along with the rotation of the gear disc so as to clamp the casting part.

Further, drive mechanism still includes actuating lever, relaxation pole, and actuating lever top fixed mounting is on the round shell, and actuating lever bottom slidable mounting rotates on the actuating lever and installs two catch bars on the diaphragm, and the catch bar rotates with relaxation pole to be connected, and relaxation pole slidable mounting is on the diaphragm, and the transfer line rotates to be installed on the diaphragm, rotates on relaxation pole top, transfer line and the round shell and installs driving belt, makes the sustainable stability of the eccentric motion of round shell go on.

Furthermore, the detection mechanism also comprises a detection gear and a reciprocating rod; fixed mounting has the fixed plate on the riser, and the belt pulley rotates to be installed on the fixed plate, and the belt rotates to be installed at belt pulley and transfer line top, detects gear revolve and installs on the fixed plate, detects the gear engagement rotation at gear and belt pulley top, rotates on two last reciprocating lever and installs three eccentric wheel, and the right-hand member eccentric wheel passes fixed plate fixed mounting on detecting the gear, the eccentric wheel and the detection of left end organize fixed connection. The reciprocating rod rotates along with the eccentric wheel at the right end, so that the detection group rotates, and each position for cutting each casting part is conveniently detected.

Further, the detection group comprises a detection block and a cutting knife; the detection block is fixedly arranged on the eccentric wheel at the left end, and an ultraviolet lamp and a spray head are respectively arranged at two ends of the detection block; the cutting knife is installed in the middle of detecting the piece.

Furthermore, fluorescent magnetic powder is arranged in the spray head, and the cutting position of the cutting knife is determined by detecting air holes in the casting through an ultraviolet lamp.

Compared with the prior art, the invention has the beneficial effects that: (1) the swing group on the supporting mechanism enables the swing frame to do eccentric circular motion, the swing group is matched with the rotating group to enable the clamping mechanism to rotate, and a motor is used, so that energy is saved; (2) the clamp on the clamping mechanism is used for fixing the casting part, and the circular shell transmits power to the transmission mechanism through the transmission belt; (3) the transmission mechanism not only can adjust the tightness of the transmission belt to ensure the normal operation of transmission, but also provides power for the detection mechanism; (4) compact structure uses a motor to pass through the cooperation between mechanical transmission, accomplishes the main motion of whole device, makes the cutting knife many places cutting, and the testing result is more accurate, thinks about ingeniously, is applicable to multiple circular cast member, and the practicality is strong.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the support mechanism of the present invention;

FIG. 3 is a schematic view of a swing group and a rotating group of the present invention;

FIG. 4 is a schematic view of a clamping mechanism of the present invention;

FIG. 5 is a schematic view of the transmission mechanism of the present invention;

FIG. 6 is a schematic view of the detecting mechanism of the present invention.

Detailed Description

The technical scheme of the invention is further explained by the specific implementation mode in combination with the attached drawings.

Wherein the showings are for the purpose of illustration only and are shown by way of illustration only and not in actual form, and are not to be construed as limiting the present patent; to better illustrate the embodiments of the present invention, some parts of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.

Example (b): the device for detecting the internal and external shrinkage cavities of the circular casting as shown in fig. 1, 2, 3, 4, 5 and 6 comprises a supporting mechanism 1, a clamping mechanism 2, a transmission mechanism 3 and a detection mechanism 4.

The support mechanism 1 as shown in fig. 2; the transverse plate 102 and the vertical plate 101 are fixedly installed at a right angle, two swing groups 103 are arranged on the swing shell 104, the swing shell 104 is fixedly installed below the transverse plate 102, the swing shell 104 is arranged outside the rotating group 106, and the swing frame 105 is arranged inside the rotating group 106.

The wobble set 103 as shown in fig. 3; the supporting plate 10301 is fixedly installed on the swinging shell 104, the swinging motor 10302 is fixedly installed on the supporting plate 10301, the pull rod 10303 is fixedly installed on the swinging motor 10302, the pull rod 10303 is rotatably installed with the slide rod 10304, the slide rod 10304 is rotatably installed at the bottom of the swinging frame 105, and the two swinging groups 103 are installed at a right angle.

As shown in fig. 3, in the rotating group 106, a rotating motor 10601 is fixedly installed outside the swing case 104, a small bevel gear 10602 is rotatably installed on the swing case 104 and is fixedly connected with the rotating motor 10601, a swing shaft 10603 is rotatably installed on the transverse plate 102, the small bevel gear 10602 is engaged with a bevel gear below the swing shaft 10603, two limit rods 10604 are rotatably installed above the swing shaft 10603, the limit plates 10605 are rotatably installed on the two limit rods 10604, the middle part of the swing frame 105 is spherical, and the swing frame 105 is rotatably installed on the swing shaft 10603.

As shown in fig. 4, in the clamping mechanism, the circular shell 201 is slidably mounted on the limiting plate 10605, the clamping motor 202 is fixedly mounted on the circular shell 201, the clamping gear 203 is rotatably mounted on the circular shell 201 and fixedly connected with the clamping motor 202, the gear plate 204 is rotatably mounted on the circular shell 201, the clamping gear 203 is meshed with the gear plate 204 to rotate, the gear plate 204 is provided with a sliding rail 205, the clamp 206 is slidably mounted on the sliding rail 205, and the clamp 206 is slidably mounted on the circular shell 201.

As shown in fig. 5, in the transmission mechanism 3, the top of the driving rod 301 is fixedly installed on the circular shell 201, the bottom of the circular shell 201 is slidably installed on the horizontal plate 102, the two pushing rods 302 are rotatably installed on the driving rod 301, the pushing rods 302 are rotatably connected with the relaxation rod 303, the relaxation rod 303 is slidably installed on the horizontal plate 102, the transmission rod 304 is rotatably installed on the horizontal plate 102, and the transmission belt 305 is rotatably installed on the top of the relaxation rod 303, the transmission rod 304 and the circular shell 201.

As shown in FIG. 6, in the detecting mechanism 4, a pulley 401 is rotatably mounted on a fixing plate 407, a belt 402 is rotatably mounted on the tops of the pulley 401 and a transmission rod 304, a detecting gear 403 is rotatably mounted on the fixing plate 407, the detecting gear 403 is meshed with a gear on the top of the pulley 401 to rotate, three eccentrics 404 are rotatably mounted on two reciprocating rods 405, a right-end eccentric 404 penetrates through the fixing plate 407 to be fixedly mounted on the detecting gear 403, and a left-end eccentric 404 is fixedly connected with a detecting group 406.

As shown in fig. 6, in the detecting set 406, a detecting block 40601 is fixedly mounted on the eccentric wheel 404 at the left end, and both ends of the detecting block 40601 are respectively mounted with an ultraviolet lamp 40602 and a nozzle 40603; the cutting blade 40604 is fixedly mounted in the middle of the detecting block 40601.

The working principle is as follows: placing a circular casting piece on a swing frame 105 in a circular shell 201, starting a clamping motor 202, driving a gear disc 204 to rotate by a clamping gear 203, sliding a clamp 206 on a sliding rail 205 and the circular shell 201, fixing the casting piece, starting a rotating motor 10601, driving a swing shaft 10603 to rotate by a small bevel gear 10602, driving a limit plate 10605 to rotate on the top of the swing shaft 10603 along with a limit rod 10604, driving the circular shell 201 on the limit plate 10605 to make eccentric circular motion, driving a transmission mechanism 3 to operate by the circular shell 201, simultaneously starting a swing group 103, driving a pull rod 10303 to rotate by the swing motor 10302, driving the pull rod 10303 to swing a slide rod 10304, mutually assisting the two slide rods 10304 to swing the swing frame 105, so that the casting piece swings, when the circular shell 201 rotates, driving a driving belt 305 on the circular shell 201 drives a driving rod 304 to rotate, because the circular shell 201 makes eccentric circular motion, the driving rod 301 slides on a horizontal plate 102 along with the swing of the circular shell 201, and enabling a pushing rod 302 to adjust the positions of two relaxation rods 303, the relaxation rod 303 adjusts the degree of tightness of the transmission belt 305 to enable the transmission rod 304 to rotate, the transmission rod 304 drives the belt pulley 401 to rotate, a gear on the belt pulley 401 is meshed with the detection gear 403, the detection gear 403 drives the eccentric wheel 404 at the right end to rotate, the eccentric wheel 404 is matched with the reciprocating rod 405, the detection group 406 is enabled to do eccentric circular motion, the spray nozzle 40603 on the detection group 406 sprays fluorescent magnetic powder on a cast part uniformly, meanwhile, the ultraviolet lamp 40602 detects the cast part fully, and cutting of the cutting knife 40604 at different positions on a circular cast part is facilitated.