CN112504868A

CN112504868A - Novel high-temperature bending resistance detection device for ceramic silicon nitride material

Info

Publication number: CN112504868A
Application number: CN202011382688.6A
Authority: CN
Inventors: 范守良
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-12-01
Filing date: 2020-12-01
Publication date: 2021-03-16

Abstract

The invention discloses a high-temperature bending resistance detection device of a novel ceramic silicon nitride material, which comprises a detection box body, wherein a detection cavity is arranged in the detection box body, a ceramic bending device is arranged in the detection cavity, and the ceramic bending device comprises a rotating shaft which is rotatably connected with the inner wall of the rear side of the detection cavity.

Description

Novel high-temperature bending resistance detection device for ceramic silicon nitride material

Technical Field

The invention relates to the field of new materials, in particular to a high-temperature bending resistance detection device for a novel ceramic silicon nitride material.

Background

Silicon nitride ceramic is an inorganic material ceramic which does not shrink when being sintered, the strength of silicon nitride is very high, and particularly hot-pressed silicon nitride is one of the hardest substances in the world and has the properties of high strength, low density, high temperature resistance and the like.

The Si3N4 ceramic is a covalent bond compound, and the basic structural unit is a tetrahedron, the silicon atom is located at the center of the tetrahedron, four nitrogen atoms are located around the tetrahedron, respectively, at the four vertices of the tetrahedron, and then a continuous and strong network structure is formed in three-dimensional space in the form that every three tetrahedrons share one atom.

The invention discloses a high-temperature bending-resistant detection device of a novel ceramic silicon nitride material, which can solve the problems in the prior art, wherein silicon nitride is generally used in a high-temperature environment, so that the working state of the silicon nitride in the high-temperature environment and the safety strength of the silicon nitride in the high-temperature environment are ensured.

Disclosure of Invention

The invention aims to provide a high-temperature bending-resistant detection device for a novel ceramic silicon nitride material, and solves the problems of detecting the working state and the safety strength of silicon nitride ceramics in a high-temperature environment.

The invention is realized by the following technical scheme.

The invention discloses a high-temperature bending-resistant detection device for a novel ceramic silicon nitride material, which comprises a detection box body, wherein a detection cavity with the front side capable of being manually opened and closed is arranged in the detection box body, a ceramic bending device is arranged in the detection cavity, the ceramic bending device comprises a rotating shaft rotatably connected with the inner wall of the rear side of the detection cavity, a rotating rod is fixedly arranged on the rotating shaft, a hollow sleeve fixedly connected with the rotating shaft is arranged on the front side of the rotating rod, a first screw rod is rotatably arranged in the hollow sleeve, a first nut in threaded connection with the first screw rod is arranged on the upper side of the hollow sleeve, a disc fixedly connected with the first screw rod is arranged on the upper side of the first nut, the first nut is hinged with the rotating rod through a first hinge rod, a connecting rod hinged with the first nut is arranged on the front side of the rotating rod, and the connecting rod realizes the ceramic bending degree according to the meshing connection between the first nut and the first screw Adjusting, wherein a high-temperature box body fixedly connected with the inner wall of the front side of the detection cavity is arranged on the right side of the first screw rod, a high-temperature cavity with a slide way arranged on the left side is arranged in the high-temperature box body, a feeding device is arranged on the right side in the detection cavity and comprises a transmission rod rotatably connected with the inner wall of the right side of the detection cavity, a cylinder is fixedly arranged on the transmission rod, a limiting groove is fixedly arranged on the cylinder, two first racks which are slidably connected on the extension wall of the inner wall of the front side of the detection cavity and are vertically symmetrical with respect to the high-temperature cavity are arranged on the first rack, a rotating shaft rotatably connected with the inner wall of the rear side of the detection cavity is arranged on one side of the symmetry center of the first rack, a cylindrical gear meshed and connected with the first racks is fixedly arranged on the rotating shaft, and two closed doors which are vertically symmetrical with, the sealing door is far away from and about the high temperature chamber is fixed for one side of the symmetric center and is equipped with the second rack that the cylindrical gear meshing is connected, two through removal round pin fixed connection between the first rack, the removal round pin with sliding connection between the spacing groove, the cylinder left side be equipped with transmission lever fixed connection's helical gear, fixedly on the helical gear be equipped with detect the third rack of chamber rear side inner wall extension wall sliding connection, the sealing door according to the removal round pin with sliding connection realizes pay-off work between the spacing groove, the transmission lever upside is equipped with and presss from both sides tight ceramic device.

Preferably, the ceramic clamping device comprises a U-shaped box fixedly connected with the third rack, a support block is slidably arranged in the U-shaped box, the right side of the support block is connected with the U-shaped box through a buffer spring, a second screw rod is rotatably arranged on an extending wall on the upper side of the support block, a second nut fixedly connected with the support block is in threaded connection with the second screw rod, an inductor is fixedly arranged on the second nut, a rotary table fixedly connected with the second screw rod is arranged on the front side of the second nut, a round table rotatably connected with the second screw rod is arranged on the rear side of the second nut, two buffer springs fixedly connected with the support block and bilaterally symmetrical to the round table are arranged on the rear side of the round table, transmission rods connected with the round table in a propping manner are rotatably arranged on the buffer springs, and the two transmission rods are connected through extension springs, one side of the transmission rod, which is close to the center of symmetry about the circular truncated cone, is hinged with a clamping plate.

Preferably, the pottery device that bends include with detect the worm of rotating the connection on the chamber right side inner wall, the fixed sintering gear that is equipped with on the worm, the worm upside be equipped with detect the chamber front side inner wall and rotate the transmission axle of connecting, the epaxial fixed be equipped with of transmission with the worm wheel that the worm meshing is connected, the transmission axle with connect through the belt drive between the rotation axis, fixed being equipped with on the high temperature chamber left side inner wall about two slides of connecting rod longitudinal symmetry.

Preferably, the pottery device of bending still include with two common sliding connection's a high temperature resistant piece on the slide, high temperature resistant piece with it is articulated through the second articulated rod between the connecting rod, two heaters of longitudinal symmetry are fixed to be equipped with on the high temperature intracavity wall, high temperature resistant piece according to the rotation of rotary rod carries out the work of bending to pottery.

Preferably, material feeding unit include with detect chamber right side inner wall fixed connection's motor, the fixed output shaft that is equipped with in motor left side, fixed be equipped with on the output shaft can with the incomplete gear that sintering gear engagement connects, incomplete gear upside be equipped with detect the dwang of rotating the connection on the chamber rear side inner wall extension wall, the fixed fan that is equipped with on the dwang, the dwang with connect through belt drive between the output shaft, fixed be equipped with on the transmission pole can with the forging gear that incomplete gear engagement connects.

The invention has the beneficial effects that: the invention is to detect whether the bending strength of the silicon nitride ceramic type in the high temperature environment is qualified, because the silicon nitride has strong heat resistance, the silicon nitride is often used in the high temperature environment, but for the workpiece in the high temperature environment, the quality of the workpiece needs to be detected to ensure the working state and the safety of the workpiece in the high temperature environment, the device clamps one side of the ceramic, and the other side adopts a pushing mode to cause the silicon nitride to be bent and deformed.

Drawings

In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the invention, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.

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

FIG. 2 is a schematic view of the structure A-A of FIG. 1;

FIG. 3 is a schematic diagram of B-B of FIG. 1;

FIG. 4 is a schematic diagram of the structure of C-C in FIG. 1;

fig. 5 is a schematic diagram of the structure of D-D in fig. 1.

Detailed Description

The invention will now be described in detail with reference to fig. 1-5, wherein for ease of description the orientations described hereinafter are now defined as follows: the up, down, left, right, and front-back directions described below correspond to the up, down, left, right, and front-back directions in the projection relationship of fig. 1 itself.

The high-temperature bending-resistant detection device for the novel ceramic silicon nitride material, which is described in conjunction with fig. 1-5, includes a detection box 11, a detection cavity 12 whose front side can be manually opened and closed is arranged in the detection box 11, a ceramic bending device 901 is arranged in the detection cavity 12, the ceramic bending device 901 includes a rotation shaft 18 rotatably connected with the inner wall of the rear side of the detection cavity 12, a rotation rod 19 is fixedly arranged on the rotation shaft 18, a hollow sleeve 17 fixedly connected with the rotation shaft 18 is arranged on the front side of the rotation rod 19, a first screw 16 is rotatably arranged in the hollow sleeve 17, a first nut 20 in threaded connection with the first screw 16 is arranged on the upper side of the hollow sleeve 17, a disc 22 fixedly connected with the first screw 16 is arranged on the upper side of the first nut 20, and the rotation rod 19 are hinged by a first rod hinge 23, the front side of the rotating rod 19 is provided with a connecting rod 21 hinged to the first nut 20, the connecting rod 21 is connected with the first screw 16 according to the meshing between the first nut 20 and the first screw, so as to adjust the degree of bending of the ceramic, the right side of the first screw 16 is provided with a high temperature box 13 fixedly connected with the inner wall of the front side of the detection cavity 12, the high temperature cavity 14 provided with a slide way on the left side is arranged in the high temperature box 13, the right side in the detection cavity 12 is provided with a feeding device 902, the feeding device 902 comprises a transmission rod 48 rotatably connected with the inner wall of the right side of the detection cavity 12, a cylinder 50 is fixedly arranged on the transmission rod 48, a limit groove 51 is fixedly arranged on the cylinder 50, the two first racks 30 which are slidably connected on the extension wall of the inner wall of the front side of the detection cavity 12 and vertically symmetrical with respect to the high temperature cavity 14 are arranged on one side of the first rack 30 close to the high temperature cavity 14, and a rotating shaft 29 rotatably connected, a cylindrical gear 28 engaged with the first rack 30 is fixedly arranged on the rotating shaft 29, two closing doors 26 which are symmetrical up and down relative to the high-temperature cavity 14 are arranged on the inner wall of the right side of the high-temperature cavity 14 in a sliding way, a second rack 27 meshed with the cylindrical gear 28 is fixedly arranged on one side of the closing door 26 away from the high-temperature cavity 14 as a symmetrical center, two first racks 30 are fixedly connected through a moving pin 37, the moving pin 37 is connected with the limiting groove 51 in a sliding way, the left side of the cylinder 50 is provided with a bevel gear 52 fixedly connected with the transmission rod 48, a third rack 49 which is connected with the extending wall of the inner wall at the rear side of the detection cavity 12 in a sliding way is fixedly arranged on the helical gear 52, the closed door 26 realizes feeding work according to sliding connection between the moving pin 37 and the limiting groove 51, and a ceramic clamping device 903 is arranged on the upper side of the transfer rod 48.

Advantageously, the ceramic clamping device 903 comprises a U-shaped box 36 fixedly connected to the third rack 49, a supporting block 34 is slidably disposed in the U-shaped box 36, the right side of the supporting block 34 is connected to the U-shaped box 36 through a buffer spring 59, a second screw 31 is rotatably disposed on an upper extending wall of the supporting block 34, a second nut 58 fixedly connected to the supporting block 34 is threadedly connected to the second screw 31, an inductor 32 is fixedly disposed on the second nut 58, a rotary table 33 fixedly connected to the second screw 31 is disposed on a front side of the second nut 58, a circular table 56 rotatably connected to the second screw 31 is disposed on a rear side of the second nut 58, two buffer springs 59 fixedly connected to the supporting block 34 and bilaterally symmetric with respect to the circular table 56 are disposed on a rear side of the circular table 56, a driving rod 54 rotatably disposed on the buffer springs 59 and abutted against the circular table 56, the two transmission rods 54 are connected through an extension spring 55, one side of each transmission rod 54, which is close to the circular truncated cone 56 and is a symmetric center, is hinged with a clamping plate 53, and the clamping plate 53 clamps the ceramic to be tested according to the threaded connection between the second nut 58 and the second screw 31.

Advantageously, the ceramic bending device 901 comprises a worm 43 rotatably connected to the inner wall of the right side of the detection chamber 12, a sintering gear 42 is fixedly arranged on the worm 43, a transmission shaft 41 rotatably connected to the inner wall of the front side of the detection chamber 12 is arranged on the upper side of the worm 43, a worm wheel 40 in meshing connection with the worm 43 is fixedly arranged on the transmission shaft 41, the transmission shaft 41 is in transmission connection with the rotating shaft 18 through a belt, and two slide ways 25 which are symmetrical front and back with respect to the connecting rod 21 are fixedly arranged on the inner wall of the left side of the high temperature chamber 14.

Advantageously, the ceramic bending device 901 further comprises a high temperature resistant block 24 connected to the two slideways 25 in a sliding manner, the high temperature resistant block 24 is hinged to the connecting rod 21 through a second hinge rod 60, two heaters 15 are fixed to the inner wall of the high temperature cavity 14, and the high temperature resistant block 24 bends the ceramic according to the rotation of the rotating rod 19.

Beneficially, material feeding unit 902 include with detect chamber 12 right side inner wall fixed connection's motor 46, the fixed output shaft 44 that is equipped with in motor 46 left side, the last fixed incomplete gear 45 that be equipped with can with sintering gear 42 meshing is connected of output shaft 44, incomplete gear 45 upside be equipped with detect chamber 12 rear side inner wall and extend the dwang 39 of rotating the connection on the wall, the fixed fan 38 that is equipped with on dwang 39, dwang 39 with connect through the belt drive between the output shaft 44, fixedly on the transmission pole 48 be equipped with can with the forging gear 47 that incomplete gear 45 meshing is connected, fan 38 earlier with forging gear 47 meshing is connected and will realize pay-off work.

Initially, the incomplete gear 45 is meshed with the forged gear 47, the incomplete gear 45 is not meshed with the sintered gear 42, the moving pin 37 is located at the leftmost side of the limiting groove 51, the closing door 26 closes the inner wall of the right side of the high temperature chamber 14, and the high temperature resistant block 24 is located at the leftmost side of the slide way 25.

During operation, the inner wall of the front side of the detection cavity 12 is manually opened, which is convenient for an operator to replace ceramics, the operator places the ceramics to be detected between the two clamping plates 53, and rotates the rotary table 33, the rotary table 33 rotates to drive the second screw 31 to rotate, because the second nut 58 is fixed, the second screw 31 moves backwards while rotating, the second screw 31 moves backwards to drive the circular table 56 to move backwards, the circular table 56 moves backwards to drive the transmission rod 54 on the left side to rotate clockwise around the buffer spring 59 on the left side, the circular table 56 moves backwards to drive the transmission rod 54 on the right side to rotate anticlockwise around the buffer spring 59 on the right side, the transmission rod 54 rotates to drive the clamping plates 53 to approach the ceramics to be detected and clamp the ceramics to be detected, the motor 46 is started, the motor 46 operates to drive the output shaft 44 to rotate, the output shaft 44 rotates to drive the incomplete gear, the incomplete gear 45 rotates to drive the forging gear 47 to rotate, the arc of the incomplete gear 45 meshed with the forging gear 47 can only drive the forging gear 47 to rotate for a whole circle, the forging gear 47 rotates for a whole circle to drive the transmission rod 48 to rotate for a whole circle, the transmission rod 48 rotates for a whole circle to drive the cylinder 50 to rotate for a whole circle, the cylinder 50 rotates for a whole circle to drive the moving pin 37 to move to the right and then to the left, the moving pin 37 moves to the right to drive the first rack 30 to move to the right, the first rack 30 moves to the right to drive the cylindrical gear 28 to rotate clockwise, the cylindrical gear 28 rotates clockwise to drive the second rack 27 on the upper side to move upwards, the cylindrical gear 28 rotates clockwise to drive the second rack 27 on the lower side to move downwards, thus the sealing door 26 opens the sliding of the inner wall on the right side of the high temperature cavity 14, the transmission rod 48 rotates to drive the helical gear 52 to rotate, the helical gear 52 rotates to drive the third rack 49 to, the third rack 49 moves left to drive the U-shaped box 36 to move left, the U-shaped box 36 moves left to drive the supporting block 34 to move left through the compression spring 35, the supporting block 34 moves left to send the ceramic to be measured into the designated position in the high temperature cavity 14, then, the moving pin 37 moves left to drive the first rack 30 to move left, the first rack 30 moves left to drive the cylindrical gear 28 to rotate anticlockwise, the cylindrical gear 28 rotates anticlockwise to drive the second rack 27 on the upper side to move down, the second rack 27 on the upper side moves down to drive the closed door 26 on the upper side to move down, the cylindrical gear 28 rotates anticlockwise to drive the second rack 27 on the lower side to move down, the second rack 27 on the lower side moves down to drive the closed door 26 on the lower side to move down, but the closed door 26 cannot completely seal the right inner wall of the high temperature cavity 14, at the moment, the incomplete gear 45 is separated from the meshing connection with the forged gear 47, and the incomplete gear, the incomplete gear 45 and the sintering gear 42 are meshed in the process, the sintering gear 42 rotates for a whole circle, the sintering gear 42 rotates to drive the worm 43 to rotate, the worm 43 rotates to drive the worm wheel 40 to rotate, the worm wheel 40 rotates to drive the transmission shaft 41 to rotate, the transmission shaft 41 rotates to drive the rotation shaft 18 to rotate through belt transmission, the rotation shaft 18 rotates to drive the rotation rod 19 to rotate, the rotation rod 19 rotates to drive the first nut 20 to rotate around the rotation shaft 18 through the first hinge rod 23, the first nut 20 rotates around the rotation shaft 18 to drive the connecting rod 21 to move left and right, the connecting rod 21 moves left and right to drive the high temperature resistant block 24 to move on the slide way 25 through the second hinge rod 60, the heater 15 emits heat to enable the temperature in the high temperature cavity 14 to reach a certain temperature value, the high temperature resistant block 24 moves the ceramic to be detected to the right, and the elastic potential energy, when the ceramic is bent, the buffer spring 59 does not elastically deform, which indicates that the bending strength of the ceramic in the high-temperature environment is insufficient, when the ceramic is not bent, the buffer spring 59 elastically deforms, which indicates that the bending strength of the ceramic in the high-temperature environment is high, when the ceramic is bent and the buffer spring 59 elastically deforms, which indicates that the bending strength of the ceramic is close to a standard value, and the sensor 32 on the second nut 58 can also sense the deviation degree of the upper half part of the ceramic, the output shaft 44 rotates to drive the rotating rod 39 to rotate through belt transmission, the rotating rod 39 rotates to drive the fan 38 to rotate, the fan 38 rotates to reduce the temperature in the detection cavity 12, the motor 46 rotates reversely to drive the output shaft 44 to rotate reversely, the output shaft 44 rotates reversely to drive the closing door 26 to open the inner wall on the right side of the high-temperature cavity 14 first, the third rack 49 sends the ceramic out of the high-temperature cavity 14, the closing, and waiting for the ceramic to cool, and taking out the ceramic by an operator.

The above embodiments are merely illustrative of the technical ideas and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a novel anti crooked detection device of high temperature of pottery silicon nitride material, includes and detects the box, be equipped with the detection chamber that the front side can manual switching in the detection box, its characterized in that: the ceramic bending device is arranged in the detection cavity and comprises a rotating shaft which is rotatably connected with the inner wall of the rear side of the detection cavity, a rotating rod is fixedly arranged on the rotating shaft, a hollow sleeve which is fixedly connected with the rotating shaft is arranged on the front side of the rotating rod, a first screw rod is rotatably arranged in the hollow sleeve, a first nut which is in threaded connection with the first screw rod is arranged on the upper side of the hollow sleeve, a disc which is fixedly connected with the first screw rod is arranged on the upper side of the first nut, the first nut is hinged with the rotating rod through a first hinge rod, a connecting rod which is hinged with the first nut is arranged on the front side of the rotating rod, the connecting rod is connected with the first nut according to the meshing between the first nut and the first screw rod to realize the adjustment of the ceramic bending degree, and a high-temperature box body which is fixedly connected with the inner wall of the front side of the detection, the high-temperature chamber with a slideway arranged on the left side is arranged in the high-temperature chamber, the feeding device is arranged on the right side in the detection chamber and comprises a transmission rod rotatably connected with the inner wall on the right side of the detection chamber, a cylinder is fixedly arranged on the transmission rod, a limiting groove is fixedly arranged on the cylinder, two first racks which are slidably connected on the extending wall of the inner wall on the front side of the detection chamber and are vertically symmetrical with respect to the high-temperature chamber are arranged on the side close to the symmetry center of the high-temperature chamber, a rotating shaft which is rotatably connected with the inner wall on the rear side of the detection chamber is arranged on the side close to the symmetry center of the high-temperature chamber, a cylindrical gear which is meshed and connected with the first racks is fixedly arranged on the rotating shaft, two sealing doors which are vertically symmetrical with respect to the high-temperature chamber are arranged on the side close to the symmetry center of the high-temperature chamber, and a, two through removal round pin fixed connection between the first rack, remove the round pin with sliding connection between the spacing groove, the cylinder left side be equipped with transfer bar fixed connection's helical gear, fixedly on the helical gear be equipped with detect the third rack of chamber rear side inner wall extension wall sliding connection, the closed door basis remove the round pin with sliding connection realizes pay-off work between the spacing groove, the transfer bar upside is equipped with and presss from both sides tight ceramic device.

2. The high-temperature bending-resistant detection device of the novel ceramic silicon nitride material as claimed in claim 1, characterized in that: the ceramic clamping device comprises a U-shaped box body fixedly connected with the third rack, a supporting block is arranged in the U-shaped box body in a sliding mode, the right side of the supporting block is connected with the U-shaped box body through a buffer spring, a second screw rod is rotatably arranged on an extending wall on the upper side of the supporting block, a second nut fixedly connected with the supporting block is connected onto the second screw rod in a threaded mode, an inductor is fixedly arranged on the second nut, a rotary disc fixedly connected with the second screw rod is arranged on the front side of the second nut, a round table rotatably connected with the second screw rod is arranged on the rear side of the second nut, two buffer springs fixedly connected with the supporting block and bilaterally symmetrical to the round table are arranged on the rear side of the round table, transmission rods connected with the round table in a abutting mode are rotatably arranged on the buffer springs, and the two transmission rods are connected through extension springs, one side of the transmission rod, which is close to the center of symmetry about the circular truncated cone, is hinged with a clamping plate.

3. The high-temperature bending-resistant detection device of the novel ceramic silicon nitride material as claimed in claim 2, characterized in that: the pottery device that bends include with rotate the worm of connection on the detection chamber right side inner wall, the fixed sintering gear that is equipped with on the worm, the worm upside be equipped with the transmission axle of connection is rotated to the detection chamber front side inner wall, the epaxial fixed worm wheel that is equipped with and the worm meshing is connected of transmission, the transmission axle with connect through the belt drive between the rotation axis, fixed being equipped with on the high temperature chamber left side inner wall about two slides of connecting rod longitudinal symmetry.

4. The device for detecting high temperature bending resistance of a novel ceramic silicon nitride material according to claim 3, is characterized in that: the ceramic bending device further comprises two high-temperature-resistant blocks which are connected on the slide rail in a sliding mode, the high-temperature-resistant blocks are hinged to the connecting rods through second hinge rods, two heaters which are symmetrical up and down are fixedly arranged on the inner wall of the high-temperature cavity, and the high-temperature-resistant blocks are used for bending ceramic according to the rotation of the rotating rods.

5. The device for detecting high temperature bending resistance of a novel ceramic silicon nitride material according to claim 4, is characterized in that: material feeding unit include with detect chamber right side inner wall fixed connection's motor, the fixed output shaft that is equipped with in motor left side, fixed be equipped with on the output shaft can with the incomplete gear that sintering gear engagement connects, incomplete gear upside be equipped with detect the dwang of rotating the connection on the chamber rear side inner wall extension wall, the fixed fan that is equipped with on the dwang, the dwang with connect through the belt drive between the output shaft, fixed be equipped with on the transmission pole can with the forging gear that incomplete gear engagement connects.