CN220649366U - Mesoporous size and position degree detection device - Google Patents

Abstract

The utility model relates to a device for detecting the size and the position of a middle hole, which comprises a workbench, and a lifting mechanism and a detecting mechanism which are connected to the workbench, wherein the lifting mechanism comprises a stand column connected to the upper end surface of the workbench, a lifting driving piece connected to the side end surface of the stand column and a lifting bracket connected to the output end of the lifting driving piece, the lifting driving piece is used for driving the lifting bracket to perform lifting movement, and the lifting bracket is used for bearing a workpiece; the detection mechanism comprises a mounting bracket connected to the top end of the upright post, wherein the mounting bracket is connected with a light source mounting plate a, and a top light source and a detection camera are connected through the light source mounting plate a; the detection mechanism further comprises a bottom light source connected to the lifting support, and the bottom light source is arranged below the workpiece. The utility model can realize automatic detection of the size and the position degree of the hole in the workpiece, realize centering of the workpiece and concentricity adjustment of the workpiece and the detection mechanism, ensure detection precision and is suitable for detecting workpieces with different specifications.

Description

Mesoporous size and position degree detection device

Technical Field

The utility model relates to the technical field of machining, in particular to a device for detecting the size and the position of a mesopore.

Background

In the automobile parts manufacturing, especially relate to brake disc automated production, after the processing is accomplished, the mesopore size and the position degree of product have direct influence to the installation of product in the application occasion, belong to critical dimension, need carry out 100% inspection. In the current automatic production, after the processed product is outgoing, a mesopore gauge and a position degree gauge are manually used for checking the mesopore size and the position degree, and the checking mode has the following problems: after the workpiece is processed in the automatic line, the size of the middle hole and the position degree are required to be checked manually outside the line, and the size of the middle hole cannot be detected.

Disclosure of Invention

The utility model aims to provide a mesopore size and position degree detection device which can solve the technical problems in the background art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the device comprises a workbench, and a lifting mechanism and a detection mechanism which are connected to the workbench, wherein the lifting mechanism comprises a stand column connected to the upper end face of the workbench, a lifting driving piece connected to the side end face of the stand column and a lifting support connected to the output end of the lifting driving piece, the lifting driving piece is used for driving the lifting support to perform lifting movement, and the lifting support is used for bearing a workpiece; the detection mechanism comprises a mounting bracket connected to the top end of the upright post, wherein the mounting bracket is connected with a light source mounting plate a, and a top light source and a detection camera are connected through the light source mounting plate a; the detection mechanism further comprises a bottom light source connected to the lifting support, and the bottom light source is arranged below the workpiece.

As the preferable scheme, play to rise the support including being connected in the first board that plays to rise driving piece output to and perpendicular second board and the third board of being connected in first board, first board is vertical setting, the second board sets up in the top of third board for bear the weight of the work piece, the third board is used for installing the bottom light source.

As the preferred scheme, the installing support is including connecting in the first installing support on stand top and connecting in the second installing support of first installing support, first installing support is provided with the long hole of multiunit along the second direction, through set up the connecting piece in long downthehole second installing support is connected in first installing support.

Preferably, the detection mechanism further comprises a shading component, the shading component comprises a shading curtain arranged above the bottom light source, and the shading curtain is a telescopic curtain.

As the preferable scheme, the shading component further comprises a shading driving piece for driving the shading curtain to stretch out and draw back, the shading driving piece is connected between the output end of the lifting driving piece and the lifting support through a connecting plate, and the output end of the shading driving piece is connected with one end of the shading curtain.

Preferably, the shading component further comprises a guide frame connected to two sides of the third plate, and the guide frame is used for providing guidance for stretching and retracting the shading curtain.

As an optimal scheme, the detection device further comprises a centering mechanism, wherein the centering mechanism comprises two groups of centering plates respectively arranged on two sides of the lifting support and a centering rod connected with the centering plates, and the centering plates can synchronously move in opposite directions or reversely.

As the preferred scheme, centering mechanism still includes the drive assembly of drive centering board motion, drive assembly is including locating two sets of parallel arrangement's of workstation up end linear slide rail, centering board passes through slider sliding connection in linear slide rail, drive assembly still includes the bi-directional cylinder that sets up between two linear slide rail, two output of bi-directional cylinder are connected in the slider respectively.

Preferably, the linear slide rail and the bidirectional cylinder are arranged along a first direction.

Compared with the prior art, the utility model has the beneficial effects that: according to the device for detecting the size and the position degree of the middle hole, provided by the utility model, the size and the position degree of the middle hole of a workpiece can be automatically detected through the cooperation of the lifting mechanism and the detection mechanism; further through installing support adjustable structure setting and cooperation centering structure, can realize work piece centering and with detection mechanism's concentricity adjustment, ensure the detection precision to can make this device be applicable to the work piece detection of different specifications.

Drawings

FIG. 1 is a schematic diagram showing the overall structure of a hole size and position detecting device according to an embodiment of the present utility model;

FIG. 2 is a schematic diagram of a part of the lifting mechanism and the detecting mechanism according to the embodiment of the present utility model;

FIG. 3 is a schematic view of a light shielding assembly and a lifting bracket according to an embodiment of the present utility model;

fig. 4 is a schematic structural view of a centering mechanism according to an embodiment of the present utility model.

The meaning of each reference sign in the figure is:

1. a work table; 2. a lifting mechanism; 21. a column; 22. lifting driving piece; 23. lifting the bracket; 231. a first plate; 232. a second plate; 233. a third plate; 3. a detection mechanism; 301. a first mounting bracket; 302. a second mounting bracket; 303. detecting a camera; 304. a top light source; 305. a light source mounting plate a; 306. a camera shield; 307. a camera mount; 308. a bottom light source; 309. a light source mounting plate b; 310. a window shade; 311. a curtain body; 312. a first mounting plate; 313. a second mounting plate; 314. a light shielding driving member; 315. a connecting plate; 316. an adapter plate; 317. a guide frame; 4. a centering mechanism; 41. a centering plate; 42. a centering rod; 43. a slide rail mounting plate; 44. a linear slide rail; 45. a bidirectional cylinder; 46. and (5) centering the sleeve.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Referring to fig. 1, the present embodiment discloses a device for detecting the size and the position of a mesopore, which is mainly used for detecting the size and the position of a mesopore of a brake disc. The detection device comprises a workbench 1, wherein a working room is formed by building and enclosing a partition plate and an aluminum profile on the workbench 1. The working room is divided into two parts, namely a working part and an operating part, wherein the working part faces in a line and is used for executing brake disc detection operation; the operating part is back against the working part and faces out of the line, and is used for placing supporting facilities such as a host computer, a display and the like of the detection device, and a worker can operate the machine adjustment out of the line automatically.

The lifting mechanism 2 and the detecting mechanism 3 are connected onto the workbench 1, the lifting mechanism 2 is used for bearing a brake disc workpiece and driving the brake disc workpiece to lift, and the detecting mechanism 3 is arranged above the lifting mechanism 2 and used for detecting the size and the position of the middle hole.

Specifically, referring to fig. 2, the lifting mechanism 2 includes a stand column 21 fixedly connected to an upper end surface of the workbench 1, the stand column 21 has a predetermined height, a lifting driving member 22 is connected to a side end surface of the stand column 21, and a lifting support 23 connected to an output end of the lifting driving member 22, the lifting driving member 22 is disposed along a height direction of the stand column 21, the lifting support 23 is used for bearing a brake disc workpiece, and the lifting driving member 22 can drive the lifting support 23 to perform lifting motion.

In this embodiment, the lifting driving member 22 is preferably a high-precision servo sliding table, and the servo sliding table is fixedly connected to the side end surface of the upright post 21 through a screw. Referring to fig. 3, the lifting support 23 includes a first plate 231 and a second plate 232 that are fixedly connected, where the first plate 231 is vertically disposed and connected to an output end of the servo slipway, and the second plate 232 is horizontally disposed and is used for bearing a brake disc workpiece. To ensure the bearing strength, the first plate 231 and the second plate 232 are preferably integrally connected, and a reinforcing rib is connected between the first plate 231 and the second plate 232.

Referring to fig. 2 again, the detection mechanism 3 includes a mounting bracket fixedly connected to the top end of the upright post 21, and a detection camera 303 and a top light source 304 which are arranged through the mounting bracket, wherein the top light source 304 is used for providing a certain brightness for shooting of the detection camera 303, and the detection camera 303 is used for shooting a brake disc workpiece and collecting data information so as to perform mesopore size detection and position detection. Specifically, a light source mounting plate a305 is fixedly connected to one end of the mounting bracket, the light source mounting plate a305 can be flexibly designed according to the weight and shape of the top light source 304, in this embodiment, the top light source 304 and the light source mounting plate a305 are both arranged to be round matching with the shape of the brake disc, and the top light source 304 is fixedly connected to the bottom end of the light source mounting plate a305 for irradiating a workpiece. The detection camera 303 is disposed at the top end of the light source mounting board a305, specifically, the top end of the light source mounting board a305 is fixedly connected with a camera shield 306, a camera bracket 307 is connected through the camera shield 306, the detection camera 303 is connected to the camera bracket 307, and through holes are respectively disposed at positions corresponding to lenses of the detection camera 303, the light source mounting board a305 and the top light source 304, so as to support shooting of the detection camera 303.

Through the setting of lifting drive piece 22, can drive the work piece and go up and down to adjust the interval between work piece and the detection camera 303, make the accurate focusing of detection camera 303, ensure shooting precision.

Referring to fig. 1, in this embodiment, the detecting mechanism 3 further includes a bottom light source 308, where the bottom light source 308 is installed on the lifting support 23, and is used for providing a light source during position detection. Specifically, the lifting support 23 further includes a third plate 233 disposed horizontally, and the third plate 233 is fixedly connected to a side end of the first plate 231 and disposed below the second plate 232. The bottom light source 308 is mounted on the third plate 233 by a light source mounting plate b 309. It will be appreciated that the second plate 232 should be configured as a hollow structure to allow light from the bottom light source 308 to pass through.

When the mesopore size is detected, the bottom light source 308 is in the off state, and the light source device usually has light reflection, and even in the off state, the data acquisition of the top detection camera 303 is affected, so in another embodiment, the detection mechanism 3 further comprises a shading component for automatically shading the bottom light source 308. Referring to fig. 3, the window shade assembly includes a retractable window shade 310, the window shade 310 is disposed above the bottom light source 308, the window shade 310 includes a shade body 311, one end of which is fixedly connected with a first mounting plate 312 by a screw, the other end of which is connected with a second mounting plate 313 by a screw, the second mounting plate 313 has a predetermined height, the upper end of which is fixedly connected with the side end of the second plate 232, and the retractable window shade 310 is in the prior art, and the structure thereof will not be repeated here. The shading assembly further comprises a shading driving piece 314 for controlling the telescopic state of the shading curtain 310, in this embodiment, the shading driving piece 314 is preferably a linear cylinder with small occupied space and easy control, the linear cylinder is fixed through a connecting plate 315, the linear cylinder is fixedly mounted at the front end of the connecting plate 315, the rear end of the connecting plate 315 is fixedly connected with an adapter plate 316, and the adapter plate 316 is fixedly connected between the output end of the servo sliding table and the first plate 231 of the lifting support 23, namely, the servo sliding table can drive the connecting plate 315 and the lifting support 23 to synchronously lift. The piston rod end of the linear cylinder is fixedly connected to the first mounting plate 312, and the linear cylinder can drive the first mounting plate 312 to drive the window shade 310 to stretch out and draw back.

To provide a supporting force to the first mounting plate 312, the shade assembly further includes two sets of guide frames 317 fixedly connected to both sides of the third plate 233, respectively, the first mounting plate 312 is seated on an upper end surface of the guide frames 317, and can also provide a guide for the expansion and contraction of the shade 310 through the guide frames 317 to prevent tilting.

In practice, to ensure the accuracy of the detection, it is necessary to center the brake disc workpiece, see fig. 4, and in another embodiment, the detection device further includes a centering mechanism 4. The centering mechanism 4 includes centering plates 41 provided on both sides of the lifting bracket 23, the centering plates 41 being provided in the vertical direction, centering rods 42 being connected through the centering plates 41, the centering rods 42 on each centering plate 41 being provided in two groups. The centering plate 41 can drive the centering rod 42 to synchronously move towards or away from the workpiece, and the centering of the workpiece is completed after the centering rod 42 is fully contacted with the workpiece.

Further, centering mechanism 4 includes the drive assembly of drive centering plate 41 motion, and drive assembly includes two sets of parallel arrangement's of fixed connection in workstation 1 up end slide rail mounting panel 43, and slide rail mounting panel 43 sets up along first direction, and slide rail mounting panel 43's up end fixedly connected with linear slide rail 44, and centering plate 41's bottom passes through slider sliding connection in linear slide rail 44. Two sets of slide rail mounting plates 43 are provided with two-way air cylinders 45 along the first direction, the two-way air cylinders 45 are fixedly connected to the upper end face of the workbench 1, two output ends of the two-way air cylinders 45 are respectively connected with a push plate, and the push plates are fixedly connected to the sliding blocks. And further, the two centering plates 41 can be driven to synchronously move by the bidirectional cylinder 45.

In order to adapt to workpieces with different specifications, the centering rod 42 is detachably sleeved with a centering sleeve 46, when the workpiece is smaller in specification and the bidirectional cylinder 45 is completely retracted, the centering rod 42 still cannot contact the workpiece, the workpiece is conveniently contacted through the centering sleeve 46, and when the workpiece is larger in specification, the centering sleeve 46 is detached.

Referring again to fig. 2, on the other hand, to facilitate concentricity adjustment of the workpiece and the top light source 304, the mounting bracket further includes a first mounting bracket 301 and a second mounting bracket 302, the first mounting bracket 301 is fixedly connected to the top end of the column 21, the second mounting bracket 302 is connected to the first mounting bracket 301, and the light source mounting plate a305 is connected to the second mounting bracket 302. The first mounting bracket 301 is provided with a plurality of groups of elongated holes along a second direction perpendicular to the first direction, and the second mounting bracket 302 is connected to the first mounting bracket 301 by providing a connecting member, preferably a screw, in the elongated holes. The connection staggering degree of the first mounting bracket 301 and the second mounting bracket 302 can be adjusted through the arrangement of the strip holes, so that the length of the whole mounting bracket in the second direction is adjusted.

In practical application, the mechanical arm places the processed brake disc workpiece on the lifting support 23, the servo sliding table arranged on the upright post 21 drives the workpiece to rise to a certain height according to the height of the workpiece, the distance between the outer end surface of the workpiece and the detection camera 303 reaches a preset height distance, then the centering mechanism 4 receives a in-place signal, the bidirectional cylinder 45 retracts, and under the guiding action of the linear sliding rail 44, the four centering rods 42 on the centering plate 41 move in opposite directions simultaneously, and the centering of the workpiece is completed after the four centering rods 42 are all contacted with the workpiece.

After centering, the detection camera 303 receives the photographable signal, and data information is acquired on the workpiece. The top light source 304 mounted on the light source mounting plate a305 is always in a normally-on state during operation, and provides a certain brightness for the shooting of the detection camera 303. When the medium hole size is detected, the bottom light source 308 arranged on the lifting support 23 is in a closed state, the window shade 310 is in an open state, and the bottom light source 308 is completely closed. When the position degree is detected, the linear air cylinder stretches out, the window shade 310 is folded, the working surface of the bottom light source 308 is exposed, the bottom light source 308 is started at the moment, backlight is provided for the position degree detection, the detection camera 303 shoots again, and data information acquisition is completed. The detection camera 303 compares the data information acquired twice with the parameters set in the system to determine whether the photographed workpiece is qualified.

It will be appreciated that the detection device provided in this embodiment is not limited to use in the detection of the size and position of a mesopore in a brake disc, but may also be used in the detection of other hollow workpieces.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the above-described embodiments, and that the above-described embodiments and descriptions are only preferred embodiments of the present utility model, and are not intended to limit the utility model, and that various changes and modifications may be made therein without departing from the spirit and scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims (9)

1. A device for detecting the size and position of a mesopore, characterized by comprising a workbench (1) and a device for detecting the size and position of the mesopore, wherein the device is connected to the workbench (1):

the lifting mechanism (2) comprises a stand column (21) connected to the upper end surface of the workbench (1), a lifting driving piece (22) connected to the side end surface of the stand column (21) and a lifting support (23) connected to the output end of the lifting driving piece (22), wherein the lifting driving piece (22) is used for driving the lifting support (23) to perform lifting movement, and the lifting support (23) is used for bearing a workpiece;

the detection mechanism (3) comprises a mounting bracket connected to the top end of the upright post (21), wherein the mounting bracket is connected with a light source mounting plate a (305), and a top light source (304) and a detection camera (303) are connected through the light source mounting plate a (305); the detection mechanism (3) further comprises a bottom light source (308) connected to the lifting support (23), and the bottom light source (308) is arranged below the workpiece.

2. The device for detecting the size and the position of the middle hole according to claim 1, wherein the lifting support (23) comprises a first plate (231) connected to the output end of the lifting driving piece (22), and a second plate (232) and a third plate (233) which are vertically connected to the first plate (231), the first plate (231) is vertically arranged, the second plate (232) is arranged above the third plate (233) and is used for bearing a workpiece, and the third plate (233) is used for installing a bottom light source (308).

3. The device for detecting the size and the position of the middle hole according to claim 1, wherein the mounting bracket comprises a first mounting bracket (301) connected to the top end of the upright post (21) and a second mounting bracket (302) connected to the first mounting bracket (301), the first mounting bracket (301) is provided with a plurality of groups of long strip holes along the second direction, and the second mounting bracket (302) is connected to the first mounting bracket (301) by arranging connecting pieces in the long strip holes.

4. The mesopore size and position detection device as recited in claim 2, wherein the detection mechanism (3) further comprises a shade assembly including a shade (310) disposed above the bottom light source (308), the shade (310) being a retractable shade.

5. The device for detecting the size and the position of a mesopore according to claim 4, wherein the shading assembly further comprises a shading driving piece (314) for driving the shading curtain (310) to stretch out and draw back, the shading driving piece (314) is connected between an output end of the lifting driving piece (22) and the lifting bracket (23) through a connecting plate (315), and an output end of the shading driving piece (314) is connected to one end of the shading curtain (310).

6. The device for detecting the size and the position of a medium hole according to claim 4, wherein the light shielding assembly further comprises guide frames (317) connected to both sides of the third plate (233), the guide frames (317) being used to provide a guide for the extension and retraction of the window shade (310).

7. The device for detecting the size and the position of a mesopore according to claim 1, characterized in that the device further comprises a centering mechanism (4), the centering mechanism (4) comprises two groups of centering plates (41) respectively arranged at two sides of the lifting bracket (23) and a centering rod (42) connected to the centering plates (41), and the centering plates (41) are configured to synchronously move in opposite directions or in opposite directions.

8. The device for detecting the size and the position of the middle hole according to claim 7, wherein the centering mechanism (4) further comprises a driving assembly for driving the centering plate (41) to move, the driving assembly comprises two groups of parallel linear sliding rails (44) arranged on the upper end face of the workbench (1), the centering plate (41) is slidably connected to the linear sliding rails (44) through a sliding block, the driving assembly further comprises a bidirectional air cylinder (45) arranged between the two linear sliding rails (44), and two output ends of the bidirectional air cylinder (45) are respectively connected to the sliding block.

9. The mesopore size and position detection device as recited in claim 8, wherein the linear slide (44) and the bidirectional cylinder (45) are arranged along a first direction.