CN218411063U - Detection device and detection equipment - Google Patents

Abstract

The application discloses a detection device, which is used for detecting a threaded hole in a workpiece and comprises a spherical light source, a lens assembly and a reflection assembly; the spherical light source is provided with a light hole and is used for emitting light rays towards the threaded hole, and the light rays penetrate through the light hole after being reflected by the threaded hole; the lens assembly comprises a lens, and the lens is arranged on one side of the spherical light source, which is far away from the threaded hole; the reflection assembly is arranged between the spherical light source and the lens and used for reflecting light rays passing through the light hole to the lens so as to form images in the lens, and therefore the threaded hole is detected. The detection device can realize non-contact detection on the threaded hole, not only can reduce the labor intensity of operating personnel, but also can effectively avoid damaging the threaded hole. The application also discloses a detection device.

Description

Detection device and detection equipment

Technical Field

The application relates to the technical field of threaded hole detection, in particular to a detection device and detection equipment comprising the same.

Background

At present, need process out the screw hole on the product usually in the product production process, the screw hole after the processing needs detect through effective number of turns, and in current detection mode, operating personnel revolves standard tooth rule in the screw hole earlier, then revolves out the screw hole again, revolves out the effective number of turns of screw hole in order to judge the screw hole through calculating the tooth rule in-process pivoted number of turns. However, this method of detection is not only labor intensive in implementation, but also prone to damage to the threads during operation. Meanwhile, the existing detection method cannot detect whether the threaded hole has internal defects, such as inner wall damage and the like.

SUMMERY OF THE UTILITY MODEL

In view of the above, it is necessary to provide a detection device and a detection apparatus including the detection device, which can reduce damage to the threaded hole, reduce the difficulty of operation, improve the labor production efficiency, and detect whether there is an internal defect in the threaded hole.

The embodiment of the application provides a detection device, which is used for detecting a threaded hole in a workpiece and comprises a spherical light source, a lens assembly and a reflection assembly; the spherical light source is provided with a light hole and is used for emitting light rays towards the threaded hole, and the light rays penetrate through the light hole after being reflected by the threaded hole; the lens assembly comprises a lens, and the lens is arranged on one side of the spherical light source, which is far away from the threaded hole; the reflection assembly is arranged between the spherical light source and the lens and used for reflecting the light rays passing through the light hole to the lens so as to form an image in the lens, and therefore the threaded hole is detected.

In some embodiments, the detection device further comprises a support; the spherical light source is arranged at one end of the supporting piece, the lens is arranged at the other end of the supporting piece, and the reflection assembly is arranged on the supporting piece.

In some embodiments, the lens assembly further comprises a first adjustment member and a first connector; the first adjusting piece is arranged on the supporting piece; the first connecting piece is arranged on the first adjusting piece in a sliding mode along the direction parallel to the central axis of the lens and is connected with the lens, and the lens slides on the first adjusting piece through the first connecting piece to be close to or far away from the reflecting assembly.

In some embodiments, the reflective assembly comprises: a second adjusting member and a reflecting member; the second adjusting piece is connected to the supporting piece in a sliding mode along the direction parallel to the central axis of the lens; the reflecting piece is connected to the second adjusting piece and far away from the supporting piece, and the reflecting piece is close to or far away from the spherical light source through the sliding arrangement of the second adjusting piece on the supporting piece.

In some embodiments, the reflective assembly further comprises a third adjustment member; the third adjusting piece is connected between the second adjusting piece and the reflecting piece, the reflecting piece is connected to the third adjusting piece in a sliding mode along the direction perpendicular to the central axis of the lens, and the reflecting piece is close to or far away from the light hole along the direction perpendicular to the central axis of the lens by sliding on the third adjusting piece.

In some embodiments, the reflector comprises a fixed portion and a specular reflective portion; the mirror reflection part is connected with the fixing part and comprises a reflection surface, and the reflection surface is used for receiving the light rays reflected from the threaded hole and passing through the light-transmitting hole and reflecting the light rays into the lens; the reflection assembly further comprises a fourth adjusting piece; the fourth adjustment piece set up in the third adjustment piece with between the fixed part, the fourth adjustment piece with third adjustment piece sliding connection, the fourth adjustment piece is provided with the arc hole, the reflection part includes the bulge, the one end of bulge set up in on the fixed part, the other end block of bulge is in the arc hole, the fixed part warp the bulge is in the removal in the arc hole, with the adjustment the reflection piece with reflection angle between the light.

In some embodiments, the detection device further comprises a spherical light source connector; the spherical light source connecting piece is connected with the supporting piece in a sliding mode along the direction parallel to the central axis of the lens, the spherical light source is connected with the spherical light source connecting piece, and the spherical light source slides on the supporting piece through the spherical light source connecting piece to be close to or far away from the threaded hole.

In some embodiments, the lens assemblies are multiple, the reflection assemblies are multiple, the spherical light source is provided with multiple light holes, the multiple light holes are respectively in one-to-one correspondence with the multiple reflection assemblies, the multiple reflection assemblies are respectively in one-to-one correspondence with the multiple lens assemblies, and the multiple lens assemblies and the multiple reflection assemblies are uniformly arranged around the supporting member so as to realize multi-angle detection on the threaded hole.

The embodiment of the application provides a check out test set simultaneously, including fixed tool and as above detection device, the fixed work piece of fixed tool, fixed tool is located detection device's below, wherein, fixed tool includes: the clamping device comprises a clamping table, a plurality of positioning pieces and a pressing assembly; the clamping table corresponds to the spherical light source and is used for supporting the workpiece; the positioning pieces are arranged on the clamping table and used for positioning the workpieces; the pressing assembly is arranged on the clamping table and is abutted against the workpiece, and the workpiece is fixed on the clamping table.

In some embodiments, the fixture further comprises a side reflector; the side reflector is used for reflecting light rays in the spherical light source into the threaded hole and receiving the light rays reflected by the threaded hole, the side reflector receives the light rays reflected by the threaded hole, and the light rays pass through the light transmitting hole and are reflected by the reflection assembly to enter the lens.

Above-mentioned detection device and contain this detection device's check out test set under the cooperation of camera lens subassembly, reflection assembly and spherical light source is used, has realized the short-term test to the effective number of turns of screw hole. Spherical light source shines light in the screw hole, the light of screw hole reflection jets into the reflection component through the light trap, light reflects the camera lens through the reflection component and forms images in the camera lens, thereby detect the effective number of turns of screw hole according to the image, this testing process has realized automatic short-term test, need not the operation personnel and use and examine utensil and carry out manual operation, the efficiency of work has not only been improved, and non-contact detection has been realized, can avoid damaging the screw hole effectively, simultaneously detectable screw hole whether has internal defect.

Drawings

Fig. 1 is a schematic perspective view of a detection apparatus provided in some embodiments of the present application.

Fig. 2 is a schematic perspective view of a workpiece.

Fig. 3 is an exploded view of the support and partially reflective assembly of fig. 1.

Fig. 4 is an exploded view of the lens assembly of fig. 1.

Fig. 5 is a perspective view of the third adjusting member and the fourth adjusting member in fig. 3.

Fig. 6 is an exploded view of the reflection member and the fourth adjustment member of fig. 3.

Fig. 7 is a schematic perspective view of a detection apparatus according to some embodiments of the present application.

Fig. 8 is a schematic perspective view of the fixing jig in fig. 7.

Figure 9 is a schematic partial cross-sectional view of the clamping station and hold-down assembly of figure 8.

Fig. 10 is a perspective view of the fastening assembly of fig. 7.

Description of the main elements

Detection apparatus 100

Detection device 10

Spherical light source 11

Light hole 111

Spherical light source connector 112

The elongated hole 1121

Lens assembly 12

Lens 121

Camera 122

First adjusting member 123

First kidney shaped aperture 1231

First connecting member 124

Reflection assembly 13

Second adjusting member 131

Second kidney hole 1311

Reflecting member 132

Fixed part 1321

Mirror reflection part 1322

Reflecting surface 1322a

Bulge 1323

Third adjusting member 133

Chute 1331

Fourth adjuster 134

Sliding part 1341

Third waist-shaped hole 1342

Arc-shaped hole 1343

Support member 14

Mounting hole 141

Connecting hole 142

Fixing jig 20

Clamping table 21

Positioning piece 22

Pressing assembly 23

Bottom plate 231

First power member 232

Drive plate 233

Drive link 234

Mounting groove 2341

Limiting rod 235

Spacing groove 2351

Pressing block 236

Reset piece 237

Side reflector 24

Abutting component 25

The second power member 251

Drive plate 252

Groove 2521

First through hole 2522

Driven plate 253

Second through hole 2531

First abutment 254

Second abutment 255

Elastic member 256

Workpiece 200

Threaded hole 201

Detailed Description

Reference will now be made in detail to embodiments of the present application, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are exemplary only for explaining the present application and are not to be construed as limiting the present application.

In the description of the present application, it is to be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," and the like are used in an orientation or positional relationship indicated in the drawings for convenience in describing the present application and to simplify the description, and are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed in a particular orientation, and be operated in a particular orientation, and thus are not to be construed as limiting the present application. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first", "second", may explicitly or implicitly include one or more of the described features. In the description of the present application, it is to be noted that the meaning of "a plurality" is two or more unless specifically defined otherwise.

In the description of the present application, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; they may be mechanically coupled, electrically coupled, or in communication with each other, directly coupled, or indirectly coupled through intervening media, in which case they may be interconnected, or in which case they may be in an interconnecting relationship. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

The embodiment of the application provides a detection device, which is used for detecting a threaded hole in a workpiece and comprises a spherical light source, a lens assembly and a reflection assembly; the spherical light source is provided with a light hole, the spherical light source is used for emitting light towards the threaded hole, and the light passes through the light hole after being reflected by the threaded hole; the lens component comprises a lens, and the lens is arranged on one side of the spherical light source, which is deviated from the threaded hole; the reflection assembly is arranged between the spherical light source and the lens and used for reflecting the light rays passing through the light hole to the lens so as to form images in the lens, and therefore the threaded hole is detected.

The detection device and the detection equipment comprising the detection device provided by the embodiment of the application realize the quick detection of the effective number of turns of the threaded hole under the matching use of the lens component, the reflection component and the spherical light source. The spherical light source irradiates light in the threaded hole, the light reflected by the threaded hole is injected into the reflection assembly through the light transmission hole, the light is reflected to the lens assembly through the reflection assembly, the operator detects the threaded hole through using the lens assembly, the detection process does not need the operator to use the detection tool to carry out manual operation, the working efficiency is improved, non-contact detection is realized, the damage to the threaded hole can be effectively avoided, and meanwhile, whether the threaded hole has internal defects or not can be detected.

Some embodiments of the present application will be described in detail below with reference to the accompanying drawings.

Referring to fig. 1 and 2, some embodiments of the present application provide a detection apparatus 10. In this embodiment, the detection device 10 is used for detecting the effective number of turns of the threaded hole 201 on the workpiece 200, the workpiece 200 can be an electronic product housing, the workpiece 200 in this embodiment is a mobile phone frame, and an operator can perform non-contact detection on the threaded hole 201 on the workpiece 200 by using the detection device 10, so that the purpose of detection is achieved, and the threaded hole 201 is not easily damaged. Wherein, in some embodiments, the central axis of the threaded hole 201 extends in a direction parallel to the Z-axis direction as shown in fig. 2. It will be appreciated that threaded holes 201 are also distributed on the inner side surface of the workpiece 200, and the central axes of the threaded holes 201 extend in a direction parallel to the Y axis or the X axis.

Referring to fig. 1, the detecting device 10 includes a spherical light source 11, a lens assembly 12, a reflecting assembly 13 and a supporting member 14; the support 14 is arranged along the Z-axis direction, the spherical light source 11, the lens assembly 12 and the reflection assembly 13 are mounted on the support 14, and the support 14 supports the spherical light source 11, the lens assembly 12 and the reflection assembly 13.

In this embodiment, the spherical light source 11 includes a hemispherical casing, and the inner surface of the casing is a light emitting surface. A plurality of light holes 111 are formed in the hemispherical shell of the spherical light source 11, the spherical light source 11 is disposed at the bottom end of the supporting member 14, and when the light emitted from the spherical light source 11 irradiates the threaded hole 201 on the workpiece 200, the light is reflected by the threaded hole 201 and passes through the light holes 111.

Referring to fig. 1 and 2, the lens assembly 12 includes a lens 121, the lens 121 is disposed at a top end of the supporting member 14 and located at a side away from the spherical light source 11, a central axis of the lens 121 is parallel to the Z-axis, the lens 121 is configured to receive light transmitted through the light-transmitting hole 111, and an operator can observe the threaded hole 201 through the lens 121.

The reflection assembly 13 is disposed on the supporting member 14 and located between the spherical light source 11 and the lens 121, and the light passing through the light hole 111 first enters the reflection assembly 13, and then enters the lens 121 after being reflected by the reflection assembly 13.

Thus, when detecting the threaded hole 201, firstly, the workpiece 200 is placed right below the spherical light source 11, and at this time, the light emitted by the spherical light source 11 irradiates on the threaded hole 201; then, after being reflected by the threaded hole 201, the light will pass through the light-transmitting hole 111 and enter the reflection assembly 13; then, the reflection assembly 13 reflects the light into the lens 121 and forms an image in the lens 121, at this time, the operator can observe the image of the threaded hole 201 in the lens 121, and then count the number of effective turns of the threaded hole 201 to obtain a detection result, and at the same time, the operator can also observe the internal defect of the threaded hole 201, such as whether the threaded hole has an inner wall damage or not. By using the detection device 10 to detect the threaded hole 201, the mode of manually detecting the threaded hole 201 by using a tooth gauge can be replaced, non-contact detection can be realized, and whether internal defects exist in the threaded hole can be detected; therefore, the detection device 10 not only can reduce the labor intensity of operators and improve the detection efficiency, but also can effectively avoid damaging the threaded hole 201.

Referring to fig. 3, in some embodiments, the installation manner between the spherical light source 11 and the supporting member 14 may be: the spherical light source 11 is provided with a spherical light source connector 112, one end of the spherical light source connector 112, which is far away from the spherical light source 11, is provided with a long hole 1121, the length direction of the long hole 1121 is parallel to the Z axis, the side surface of the support member 14, which is close to one end of the spherical light source 11, is provided with a plurality of connecting holes 142, and the plurality of connecting holes 142 are arranged on the support member 14 at equal intervals along the Z axis direction. The long holes 1121 are aligned with the connection holes 142, and then the spherical light source attachment 112 and the support member 14 are fixedly connected using screws, so that the height adjustment of the spherical light source 11 can be achieved by connecting the long holes 1121 with different connection holes 142, wherein the height of the spherical light source 11 is the height of the spherical light source 11 in the Z-axis direction.

Referring to fig. 1 and 4, in some embodiments, the lens assembly 12 further includes a camera 122, a first adjusting member 123 and a first connecting member 124. In this embodiment, the number of the lenses 121 and the number of the cameras 122 are four, one camera 122 is installed on each lens 121, four light holes 111 are arranged on the spherical light source 11, and each light hole 111 corresponds to one lens 121; the number of the first connecting pieces 124 is four, and each camera 122 is provided with one first connecting piece 124; the number of the first adjusting pieces 123 is two, the two first adjusting pieces 123 are symmetrically arranged on the supporting piece 14, the structure of each first adjusting piece 123 is L-shaped, and because the structure of each first adjusting piece 123 is L-shaped, two cameras 122 can be arranged on each first adjusting piece 123; when the four cameras 122 are mounted on the support 14, the four cameras 122 are evenly disposed around the support 14; the specific installation manner between the camera 122 and the first adjusting member 123 may be as follows: the first adjusting member 123 is provided with a first waist-shaped hole 1231, the length direction of the first waist-shaped hole 1231 is parallel to the Z-axis direction, and the camera 122 is installed at the first waist-shaped hole 1231 through the first connecting member 124.

In this way, since the four lenses 121 are mounted on the supporting member 14, the detection device 10 can detect the same threaded hole 201 from different angles, so as to achieve dead-angle-free detection; as an example, since one camera 122 is installed on each lens 121, the camera 122 can capture an image of the threaded hole 201 and upload the image to the processing system, and then the processing system calculates the image to obtain the number of effective turns of the threaded hole 201, thereby implementing automatic detection; because the first waist-shaped hole 1231 is formed in the first adjusting member 123, the position between the first connecting member 124 and the first adjusting member 123 can be adjusted, so that the height of the lens 121 on the Z axis can be adjusted, and the threaded holes 201 with different apertures can be detected. In other embodiments, the number of the lenses 121 may be smaller or larger, and the number of the specific settings is determined according to the actual use situation. It is understood that the inspection device 10 provided by the present application can also detect defects in the interior of a threaded hole. When the defect detection is performed on the inner wall of the threaded hole 201, the processing system can also set standard images of various defect types so as to perform automatic contrast analysis on the shot image of the inner wall of the threaded hole 201 and realize automatic detection.

Referring to fig. 1 and 3, in some embodiments, the reflective assembly 13 includes a second adjusting member 131, a reflective member 132, a third adjusting member 133 and a fourth adjusting member 134; the number of the second adjusting parts 131 is two, the two second adjusting parts 131 are symmetrically installed on the supporting part 14, one end of the second adjusting part 131 is provided with a second waist-shaped hole 1311, the length of the second waist-shaped hole 1311 is parallel to the Z-axis direction, the supporting part 14 is provided with a plurality of mounting holes 141, and the plurality of mounting holes 141 are arranged on the supporting part 14 at equal intervals along the Z-axis direction. When installing the second adjusting member 131, the operator aligns the second waist hole 1311 with the installation hole 141, and then screws the second adjusting member 131 through the second waist hole 1311 and into the installation hole 141 to fix the second adjusting member 131 to the supporting member 14.

The number of the third adjusting parts 133 is two, one third adjusting part 133 is correspondingly arranged on one second adjusting part 131, and specifically, the third adjusting part 133 is connected with one end of the second adjusting part 131 far away from the second kidney-shaped hole 1311; the number of the fourth adjusting members 134 is four, and two fourth adjusting members 134 are connected to each third adjusting member 133; the number of the reflecting members 132 is four, one reflecting member 132 is correspondingly mounted on one fourth adjusting member 134, the reflecting member 132 is mounted on the third adjusting member 133 through the fourth adjusting member 134, meanwhile, the reflecting member 132 is located right between the lens 121 and the light-transmitting hole 111, and the reflecting member 132 reflects the light passing through the light-transmitting hole 111 into the lens 121.

In this way, since the second adjustment member 131 is provided with the second waist-shaped hole 1311, the worker can adjust the relative position between the second waist-shaped hole 1311 and the mounting hole 141, so as to adjust the height of the reflection member 132, so that the reflection member 132 can reflect light into the lens 121, and further detect the threaded holes 201 with different apertures. Wherein, the height of the reflective member 132 refers to the height of the reflective member 132 in the Z-axis direction.

Referring to fig. 5, in some embodiments, the third adjusting member 133 and the fourth adjusting member 134 are slidably connected, and the specific manner between the third adjusting member 133 and the fourth adjusting member 134 may be: the third adjusting member 133 is provided with a sliding slot 1331, the length direction of the sliding slot 1331 is perpendicular to the Z-axis direction, the fourth adjusting member 134 is convexly provided with a sliding portion 1341, the sliding portion 1341 is slidably mounted in the sliding slot 1331, and the sliding portion 1341 is provided with a third waist-shaped hole 1342. When adjusting the position of the fourth adjusting member 134, the adjustment of the fourth adjusting member 134 is first accomplished by sliding the fourth adjusting member 134 to change the position of the third kidney-shaped hole 1342 in the slide slot 1331, and then threading a screw through the fourth adjusting member 134 and into the third adjusting member 133.

In this way, by adjusting the position between the third adjusting member 133 and the fourth adjusting member 134, the position between the reflecting member 132 and the lens 121 can be adjusted, so that the light can be accurately reflected into the lens 121, and the purpose of detecting the threaded holes 201 with different apertures can be achieved.

Referring to fig. 5 and 6, in some embodiments, the reflector 132 includes a fixing portion 1321, a specular reflection portion 1322, and a protruding portion 1323; the specular reflection part 1322 is mounted on the fixing part 1321, and the specular reflection part 1322 includes a reflection surface 1322a, so that the light passing through the light transmitting hole 111 irradiates the reflection surface 1322a, and is reflected by the reflection surface 1322a to enter the lens 121.

The protruding portion 1323 is convexly arranged on the fixing portion 1321, an arc-shaped hole 1343 is formed in the fourth adjusting piece 134, the fixing portion 1321 is rotatably arranged on the fourth adjusting piece 134, the rotating center of the fixing portion 1321 coincides with the circle center of the arc-shaped hole 1343, and the protruding portion 1323 is clamped in the arc-shaped hole 1343. When the fixing portion 1321 rotates relative to the fourth adjusting member 134, the protrusion 1323 slides relative to the fourth adjusting member 134 within the arc-shaped hole 1343. Thus, by rotating the fixing portion 1321, the inclination angle of the reflecting surface 1322a can be changed, so that the included angle between the light beam and the reflecting surface 1322a is changed, the light beam is accurately incident into the lens 121, and the camera 122 can shoot images of the threaded holes 201 with different apertures.

In some embodiments, in order to engage the fixing portion 1321 with the fourth adjusting element 134, so that the rotated fixing portion 1321 does not rotate relative to the fourth adjusting element 134, the engagement manner between the fixing portion 1321 and the fourth adjusting element 134 may be: the protruding portion 1323 is a screw, a nut is screwed on the protruding portion 1323, and after the fixing portion 1321 is rotated, the fixing portion 1321 is fastened on the fourth adjusting member 134 by screwing the nut; in addition, the fastening method between the fixing portion 1321 and the fourth adjuster 134 may be: the protrusion 1323 is screwed with a screw, and when the fixing portion 1321 is rotated, the fixing portion 1321 is fastened to the fourth adjusting member 134 by screwing.

Referring to fig. 7 and fig. 8, the present embodiment also provides a detecting apparatus 100, and the detecting apparatus 100 includes the fixing fixture 20 and the detecting device 10 as described above. The fixing jig 20 comprises a clamping table 21, a plurality of positioning pieces 22, a pressing assembly 23 and a side reflector 24; the clamping table 21 is disposed below the spherical light source 11, and corresponds to the spherical light source 11, the plurality of positioning members 22 are mounted on the clamping table 21 at intervals, and when the workpiece 200 is placed on the clamping table 21, the plurality of positioning members 22 abut against the peripheral side of the workpiece 200 to position the workpiece 200.

The side reflector 24 is installed on the clamping table 21, a plane used for reflecting light on the side reflector 24 and a plane used for placing the workpiece 200 on the clamping table 21 are obliquely arranged, and the side reflector 24 is used for detecting a threaded hole 201 formed in the inner side surface of the workpiece 200. The specific detection process is as follows: first, the side reflector 24 reflects the light emitted from the spherical light source 11 into the threaded hole 201 on the inner side of the workpiece 200, then the threaded hole 201 reflects the light to the side reflector 24, the side reflector 24 reflects the light to the reflector 132, and finally the reflector 132 reflects the light to the lens 121. In this way, by providing the side mirror 24 on the clamping table 21, the detection of the screw hole 201 on the upper inner surface of the workpiece 200 is realized. In this embodiment, the central axis of the horizontally disposed threaded hole 201 is parallel to the Y axis, and in other embodiments, the central axis of the threaded hole 201 on the inner side surface may be parallel to the X axis or perpendicular to the Z axis.

Referring to fig. 8 and 9, in the present embodiment, the pressing assembly 23 includes a bottom plate 231, a first power member 232, a transmission plate 233, a transmission rod 234, a limiting rod 235, a pressing block 236 and a reset member 237. The bottom plate 231 is disposed on a side of the clamping table 21 away from the workpiece 200, and is spaced apart from the clamping table 21.

The first power member 232 is installed on the base plate 231, the driving plate 233 is located in the space between the clamping table 21 and the base plate 231, and the driving plate 233 is slidably installed on the base plate 231, and the first power member 232 is connected with the driving plate 233 for driving the driving plate 233 to move.

In this embodiment, the number of the transmission rods 234 is four, and the four transmission rods 234 are respectively located at the end corners of the clamping table 21, and since the arrangement mode of the four transmission rods 234 and the connection relationship between the four transmission rods 234 and other components are the same, the following description will take one transmission rod 234 as an example.

The direction of the transmission rod 234 is parallel to the Z-axis direction, one end of the transmission rod 234 is connected with the transmission plate 233, the other end of the transmission rod 234 penetrates through the clamping table 21 and is rotatably connected with the pressing block 236, the whole pressing block 236 is Z-shaped, the limiting rod 235 is installed on the clamping table 21, a limiting groove 2351 is formed in the limiting rod 235, one end of the pressing block 236 extends into the limiting groove 2351 and is abutted against the limiting rod 235, and the other end of the pressing block 236 is used for abutting against the workpiece 200; be equipped with mounting groove 2341 on transfer line 234, the piece 237 that resets is installed in mounting groove 2341, and the one end of the piece 237 that resets is connected with briquetting 236, and the other end of the piece 237 that resets is connected with transfer line 234. The first power element 232 is a cylinder or other power source outputting linear reciprocating motion, and the reset element 237 is a tension spring or other member pulling the pressing block 236 to reset.

Thus, when the workpiece 200 is clamped, the first power part 232 drives the transmission plate 233 to move along the positive direction of the Z axis, the transmission plate 233 drives the transmission rod 234 to move along the positive direction of the Z axis, at this time, the pressing block 236 also moves along the positive direction of the Z axis along with the transmission rod 234, but because one end of the pressing block 236 extends into the limiting groove 2351, relative rotation occurs between the pressing block 236 and the transmission rod 234, the resetting part 237 is stretched to be lengthened, the pressing block 236 is in an open state, and at this time, an operator can install the workpiece 200 on the clamping table 21; then, the first power element 232 drives the transmission plate 233 to move along the negative direction of the Z axis, the transmission plate 233 drives the pressing block 236 to move along the negative direction of the Z axis through the transmission rod 234, meanwhile, the reset element 237 contracts and resets, and in the resetting process of the reset element 237, the reset element 237 pulls the pressing block 236 to reset, so that the pressing block 236 abuts against the surface of the workpiece 200, and the purpose of pressing the workpiece 200 is achieved.

Referring to fig. 10, the fixing fixture 20 further includes a pressing component 25, and the pressing component 25 includes a second power component 251, a driving plate 252, a driven plate 253, a first pressing component 254, a second pressing component 255, and an elastic component 256. The second power member 251 is installed on the clamping table 21, the driving plate 252 is installed on the clamping table 21 in a sliding mode and extends along the X axis, one end, away from the second power member 251, of the driving plate 252 is connected with the first abutting member 254, a trapezoidal groove 2521 is formed in the driving plate 252, the driven plate 253 is installed on the clamping table 21 in a sliding mode and extends along the Y axis, one end of the driven plate 253 is inserted into the groove 2521, the end portion of the driven plate 253 is matched with the groove 2521, one end, away from the driving plate 252, of the driven plate 253 is connected with the second abutting member 255, and the second abutting member 255 is used for abutting against the workpiece 200 and is matched with the positioning member 22 to fix the workpiece 200.

The driving plate 252 is provided with a first through hole 2522, the length direction of the first through hole 2522 is parallel to the X axis, the driven plate 253 is provided with a second through hole 2531 extending along the Y axis, an elastic element 256 is respectively installed in the first through hole 2522 and the second through hole 2531, one end of one of the elastic elements 256 is connected with the clamping table 21, and the other end of the elastic element 256 is connected with the driving plate 252; one end of the other elastic member 256 is connected to the chucking table 21, and the other end thereof is connected to the driven plate 253. The second power member 251 is a cylinder or other power source for outputting linear reciprocating motion, and the elastic member 256 is a spring or other elastic member.

Thus, when the workpiece 200 is mounted, firstly, the second power member 251 drives the driving plate 252 to move along the X-axis negative direction, the driving plate 252 drives the first abutting member 254 to move away from the workpiece 200 along the X-axis direction, the elastic member 256 in the first through hole 2522 is compressed, meanwhile, the driving plate 252 also pushes the driven plate 253 to move along the Y-axis positive direction, the driven plate 253 drives the second abutting member 255 to move away from the workpiece 200 along the Y-axis direction, the elastic member 256 in the second through hole 2531 is compressed, and at this time, the operator mounts the workpiece 200 on the clamping table 21; then, the second power member 251 drives the driving plate 252 to move in the positive X-axis direction, at this time, the elastic member 256 in the first through hole 2522 pushes the driving plate 252 to quickly return, so that the first abutting member 254 cooperates with the positioning member 22 to clamp the workpiece 200 in the positive X-axis direction, and the elastic member 256 in the second through hole 2531 pushes the driven plate 253 to quickly return, so that the driven plate 253 drives the second abutting member 255 to cooperate with the positioning member 22 to clamp the workpiece 200 in the positive Y-axis direction.

Some embodiments provide a detection apparatus 100 that operates substantially as follows:

firstly, the first power part 232 drives the transmission plate 233 to move along the positive direction of the Z axis, the transmission plate 233 drives the transmission rod 234 to move along the positive direction of the Z axis, and the pressing block 236 moves along the positive direction of the Z axis along with the transmission rod 234 and is in an open state under the limiting action of the limiting groove 2351; meanwhile, the second power member 251 drives the driving plate 252 to move along the X-axis negative direction, the driving plate 252 drives the first abutting member 254 to move away from the workpiece 200 along the X-axis direction, meanwhile, the driving plate 252 pushes the driven plate 253 to move along the Y-axis positive direction, the driven plate 253 drives the second abutting member 255 to move away from the workpiece 200 along the Y-axis direction, and then the workpiece 200 is placed on the clamping table 21.

Then, the pressing block 236, the first abutting member 254 and the second abutting member 255 are reset, at this time, the pressing block 236 abuts against the workpiece 200 to press the workpiece 200 against the clamping table 21, the first abutting member 254 abuts against the workpiece 200 and clamps the workpiece 200 in the X-axis direction in cooperation with the positioning member 22, and the second abutting member 255 abuts against the workpiece 200 and clamps the workpiece 200 in the Y-axis direction in cooperation with the positioning member 22.

Finally, the fixing jig 20 is placed below the detection device 10, so that the spherical light source 11 is aligned to the threaded hole 201 on the workpiece 200, the light is reflected after being irradiated to the threaded hole 201 and is emitted to the reflection member 132 through the light transmission hole 111, and the reflection member 132 reflects the light into the lens 121, so that the camera 122 shoots an image; wherein, the worker can adjust the reflection member 132 and the camera 122 to detect the threaded holes 201 with different apertures.

According to the detection device 100 provided by the embodiment of the application, after the workpiece 200 is placed on the clamping table 21, the workpiece 200 is fastened on the clamping table 21 through the abutting component 25 and the pressing component 23, so that the workpiece 200 is not easy to separate from the clamping table 21 in the detection process; the power of the pressing component 23 is provided by the first power part 232, the power of the abutting component 25 is provided by the second power part 251, and the abutting component 25 and the pressing component 23 are driven without manpower input, so that the labor intensity of operators is reduced.

In the detection process, an operator can detect the threaded hole 201 without using a thread gauge, so that the labor input is saved, the labor intensity of the operator is reduced, the detection efficiency is improved, and whether internal defects exist in the threaded hole can be detected; in addition, by providing the first adjuster 123, the second adjuster 131 and the fourth adjuster 134 on the detection device 10, the applicability of the detection device 10 is improved, so that the detection device 10 can detect screw holes 201 with different diameters.

It will be evident to those skilled in the art that the application is not limited to the details of the foregoing illustrative embodiments, and that the present application may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the application being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.

Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present application and not for limiting, and although the present application is described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions can be made on the technical solutions of the present application without departing from the spirit and scope of the technical solutions of the present application.

Claims (10)

1. A detection device for detecting a threaded hole in a workpiece, comprising:

the spherical light source is provided with a light hole and used for emitting light rays towards the threaded hole, and the light rays penetrate through the light hole after being reflected by the threaded hole;

the lens assembly comprises a lens, and the lens is arranged on one side of the spherical light source, which is far away from the threaded hole;

and the reflecting component is arranged between the spherical light source and the lens and is used for reflecting the light rays passing through the light hole to the lens so as to form an image in the lens, thereby detecting the threaded hole.

2. The detection apparatus of claim 1,

the detection device further comprises a support;

the spherical light source is arranged at one end of the supporting piece, the lens is arranged at the other end of the supporting piece, and the reflecting assembly is arranged on the supporting piece.

3. The detection apparatus of claim 2,

the lens assembly further includes:

the first adjusting piece is arranged on the supporting piece;

the first connecting piece is arranged on the first adjusting piece in a sliding mode along the direction parallel to the central axis of the lens and is connected with the lens, and the lens slides on the first adjusting piece through the first connecting piece to be close to or far away from the reflecting assembly.

4. A testing device according to claim 3,

the reflection assembly includes:

the second adjusting piece is connected to the supporting piece in a sliding mode along the direction parallel to the central axis of the lens;

the reflecting piece is connected to the second adjusting piece and far away from the supporting piece, and the reflecting piece is arranged on the supporting piece in a sliding mode through the second adjusting piece to be close to or far away from the spherical light source.

5. The detection apparatus of claim 4,

the reflection assembly further includes:

and the third adjusting piece is connected between the second adjusting piece and the reflecting piece, the reflecting piece is connected to the third adjusting piece in a sliding manner along the direction vertical to the central axis of the lens, and the reflecting piece is close to or far away from the light hole along the direction vertical to the central axis of the lens by sliding on the third adjusting piece.

6. The detection apparatus of claim 5,

the reflecting member includes:

a fixed part;

the mirror reflection part is connected with the fixing part and comprises a reflection surface, and the reflection surface is used for receiving the light rays reflected by the threaded hole and passing through the light-transmitting hole and reflecting the light rays into the lens; and a (C) and (D) and,

the reflection assembly further includes:

a fourth adjusting piece arranged between the third adjusting piece and the fixing part, the fourth adjusting piece is connected with the third adjusting piece in a sliding way, the fourth adjusting piece is provided with an arc-shaped hole,

the reflection part comprises a convex part, one end of the convex part is arranged on the fixing part, the other end of the convex part is clamped in the arc-shaped hole, and the fixing part passes through the convex part to move in the arc-shaped hole so as to adjust the reflection part and the reflection angle between the light rays.

7. The detection apparatus of claim 2,

the detection device further comprises:

a spherical light source connecting piece which is connected with the supporting piece in a sliding way along the direction parallel to the central axis of the lens, the spherical light source is connected with the spherical light source connecting piece,

the spherical light source is slid on the support to approach or depart from the threaded hole by the spherical light source connector.

8. The detection apparatus of claim 2,

the lens components are multiple, the reflection components are multiple, the spherical light source is provided with a plurality of light holes,

it is a plurality of the light trap respectively with a plurality of reflection component one-to-one, it is a plurality of reflection component respectively with a plurality of lens subassembly one-to-one, it is a plurality of lens subassembly and a plurality of reflection component centers on support piece evenly sets up, in order to right the screw hole realizes the multi-angle and detects.

9. An inspection apparatus comprising a fixing jig that fixes a workpiece and the inspection device according to any one of claims 1 to 8, wherein the fixing jig is located below the inspection device, wherein the fixing jig comprises:

the clamping table corresponds to the spherical light source and is used for supporting the workpiece;

the positioning pieces are arranged on the clamping table and used for positioning the workpiece;

and the pressing assembly is arranged on the clamping table, is abutted against the workpiece and is used for fixing the workpiece on the clamping table.

10. The detection apparatus of claim 9,

fixed tool still includes:

the side reflector is used for reflecting light in the spherical light source to enter the threaded hole and receiving the light reflected by the threaded hole, the side reflector receives the light reflected by the threaded hole, and the light passes through the light-transmitting hole to enter the lens through reflection of the reflection assembly.

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