CN205843600U - A kind of device utilizing plane mirror to carry out guard frame rail installing hole detection - Google Patents

Abstract

The utility model discloses a device for detecting the installation hole of a shelf crossbeam by using a plane mirror, which comprises a base, a conveyor belt, a proximity switch, a block, a push cylinder, a measuring bracket, a gantry frame, an image shooting module, a screw drive module, a pressing There are two sets of image capture modules, which are used to collect images of the two pairs of mounting holes before and after the workpiece to be measured; the two sets of image capture modules include industrial cameras, camera holders, parallel light sources, plane mirror mounts and Plane mirror, the parallel light source emits vertically upward parallel light rays, and the parallel light rays pass through the through hole and then shoot out from the two mounting holes at the same end of the workpiece to be measured, one of which directly shines on the industrial camera, and the other shines on the industrial camera after being reflected by the plane mirror. on camera. The utility model has the advantages of simple and compact structure, low production cost, and the detection process of the installation hole is continuously carried out on-line without interrupting the production process, which greatly improves the production efficiency and detection efficiency.

Description

A device for detecting installation holes of shelf crossbeams using plane mirrors

technical field

The utility model relates to the field of shelf production, in particular to a device for detecting mounting holes of shelf beams by using a plane mirror.

Background technique

Modern large-scale production promotes the socialization, specialization, high mechanization and automation of industrial production, which requires that the supply of materials should be distributed in a timely, rapid and accurate manner, and also promotes the rapid development of storage technology. As a member of storage equipment, steel shelves are an indispensable part of modern logistics centers and distribution centers. Shelves are an important tool for warehouse modernization and efficiency improvement. Shelves generally refer to shelves for storing goods, and shelves are storage equipment for storing items. For example, in general stores, goods are often displayed on shelves. In order to improve the display of goods and facilitate loading and unloading of goods, a large number of different components are used. Among them, whether the length of the shelf beam is qualified or not directly affects the ability of the shelf. Normal installation will affect the final quality of the shelf.

Existing shelf beams are basically made of sheet metal components after rapid stamping and cutting. The shape of the shelf beams is long strips, with a pair of mounting holes at both ends, and one side of the long strips is turned up to form a support surface. To strengthen the load-bearing capacity of the beam, several pairs of mounting holes are also arranged on its supporting surface. The length of the shelf beam is a very important indicator of whether the shelf beam is qualified. At the same time, the position of the installation hole must be very accurate when the length is qualified. However, the shelf beam needs to go through three processes of stamping, punching and cutting in the production process. The length detection process of the shelf beam is measured after all processes are completed. The measurement method is often manual sampling inspection; because the length detection is It is carried out after all the processes are completed. Therefore, once a fault occurs in a certain process in the production and is not found in time, it will lead to batches of unqualified products. Qualified devices are particularly necessary.

Since the position of the installation hole of the shelf beam is relatively fixed relative to the position of the shelf beam, it is only necessary to use the self-learning method to perform self-learning on the known qualified standard parts, and fix the known qualified standard parts at a certain position. Fix the position, and then use an industrial camera to take pictures of the standard parts. The position of the installation holes photographed must be fixed, and the captured image of the qualified product is obtained; when detecting the shelf beam to be tested, it is only necessary to move the beam of the shelf to be tested to the above fixed Position, and then use the fixed position of the industrial camera to take another shot, and compare the captured image of the mounting hole with the image of the qualified product. On the one hand, you can know whether there is a defect in the mounting hole, and on the other hand, you can also pass through the center of the mounting hole. position to determine whether the length of the workpiece to be measured is qualified.

However, since there are usually two installation holes at both ends of the shelf beam, and the distance between the two installation holes is often 4-6 times the diameter of the installation hole, therefore, it is often necessary to use two industrial cameras to take photos of the same end in the actual shooting process. Two mounting holes or use industrial cameras with higher pixels to shoot; if two industrial cameras are used to shoot two mounting holes at the same end of the shelf beam, on the one hand, resources are wasted and equipment costs are increased; on the other hand, two The installation of industrial cameras is more complicated and they are easy to affect each other; if a single industrial camera is used for shooting, due to the large distance between the two mounting holes, the image definition of the captured mounting holes is not high, and the detection accuracy is low. Image processing is more difficult, so it meets the actual production needs.

Utility model content

The purpose of this utility model is to provide a device for detecting the installation hole of the shelf crossbeam with a flat mirror for the above-mentioned deficiencies in the prior art. The device uses an industrial camera to automatically detect the installation hole of the shelf crossbeam after the cutting process, and the measurement accuracy High, no manual operation, high degree of automation, can know whether the shelf beam is qualified in time, so as to adjust other pre-processes in time, so as to improve the overall production quality of the shelf beam.

The technical scheme of the utility model is realized in the following way: a device for detecting the installation hole of the shelf beam by using a plane mirror, including a base, a conveyor belt, a proximity switch, a block, a push cylinder, a measuring bracket, a gantry, an image shooting module, Lead screw drive module, compression cylinder and flip drive module, the conveyor belt is set on the base, the feed port of the conveyor belt is connected to the discharge port of the pre-cutting process, and the end of the conveyor belt moves along the conveyor belt The direction is provided with a proximity switch and a stopper in turn. The proximity switch is embedded in the base and is used to detect whether there is a workpiece to be measured on the base. The stopper is fixed above the base and is used to limit the workpiece to be measured; the conveying One side of the belt is provided with a push cylinder perpendicular to the conveying direction of the conveyor belt, and the other side is provided with a measuring bracket. After the proximity switch is triggered, the movement of the push cylinder is controlled, and the push cylinder pushes the workpiece on the conveyor belt to the measuring position. on the bracket; the pressing cylinder is arranged on the measuring bracket and close to the feeding port of the conveyor belt, and the pressing cylinder is used to compress the workpiece to be measured along the moving direction of the conveyor belt; the gantry is fixed on the measuring bracket directly above the frame, the left and right ends of the gantry frame are fixed on the base through two brackets; When the module moves, the measuring bracket is driven to rotate along two rotation axes;

The image capture module is provided with two groups, and the two groups of image capture modules are respectively arranged at the front and rear ends of the measuring bracket, and are used for image acquisition of two pairs of mounting holes before and after the workpiece to be measured; the two groups of image capture modules include industrial cameras , camera mount, parallel light source, plane mirror mount and plane mirror, the industrial camera is installed on the gantry above the measurement bracket through the camera mount, the parallel light source is set at the bottom of the measurement bracket, and the parallel light source is set directly below the industrial camera , the plane mirror is installed obliquely between the industrial camera and the measuring bracket, and the plane mirror is installed on the camera fixing base through the plane mirror fixing base; the measuring bracket directly below the industrial camera is also provided with a through hole, and the parallel light source emits Vertically upward parallel light, the parallel light passes through the through hole and shoots out from the two installation holes at the same end of the workpiece to be measured, one of which directly shines on the industrial camera, and the other shines on the industrial camera after being reflected by a plane mirror.

Further, it also includes a screw drive module, the screw drive module is fixed on the gantry; the screw drive module includes a positioning motor, a coupling and a ball screw, the positioning motor is fixed on the gantry, and the ball screw The rod is fixed on the gantry frame through two bearing seats. The ball screw is set parallel to the conveyor belt. The positioning motor is connected to the ball screw through a coupling. The ball screw is equipped with a slider. A set of images The industrial camera of the shooting module is fixed on one end of the gantry frame through the camera mount, and the industrial camera of the other group of image capture modules is fixed on the slider through the camera mount, and the positioning motor drives the ball screw to rotate with the slider The connected industrial camera and plane mirror move linearly along the ball screw.

Further, the push cylinder is arranged in the middle of the conveyor belt, and the front end of the push cylinder is provided with a first push plate.

Further, the side of the measuring bracket close to the conveyor belt is provided with a slope surface.

Further, two limit baffles are arranged at both ends of the feeding port of the conveyor belt, and the two limit baffles are arranged in parallel, and the distance between the two limit baffles is equal to the width of the conveyor belt.

Further, the measuring bracket is provided with L-shaped ribs, the two ribs of the L-shaped ribs are perpendicular to each other, and when one rib of the L-shaped rib pushes the cylinder to compress the workpiece to be measured, the Limit, the other rib of the L-shaped rib is used for the limit of the other end of the workpiece to be measured when the compression cylinder compresses the workpiece to be measured.

Further, the slider is provided with a U-shaped groove, and the bottom of the camera mount is provided with a bar-shaped slider, and the slider is set on the bar-shaped slide rail through the U-shaped groove.

Further, the measuring bracket is provided with a magnetic scale, and the end of the piston rod of the pressing cylinder is connected to a second pusher plate, and the second pusher plate is provided with a magnetic scale matched with the magnetic scale. grid head.

Further, the turning drive module includes a first support, a second support and a turning cylinder, the first support is fixed on the base, the second support is fixed on the measurement bracket, and the two ends of the turning cylinder are respectively connected to the first A support and a second support are hinged.

The technical concept of the utility model is: the workpiece to be measured will be cut into individual workpieces to be measured by a whole long strip-shaped sheet metal in the pre-cutting process, and after the workpiece to be measured completes the cutting process, the cut The workpiece to be tested will still be pushed forward by the uncut long sheet metal parts, and will enter the feeding port at the front end of the conveyor belt from the outlet of the pre-cutting process, and the workpiece to be tested will be restricted by two limit baffles. The movement direction of the workpiece will not shift, the workpiece to be measured enters the detection device through two limit baffles; the workpiece to be measured will be driven by the conveyor belt to accelerate after entering the conveyor belt, and the movement speed set by the conveyor belt is the pre-cutting process. The speed of the workpiece to be tested at the middle outlet is 1.5-2 times. The workpiece to be tested quickly enters the detection device under the acceleration of the conveyor belt, passes through the proximity switch and reaches the position of the stopper. It is blocked by the stopper and cannot continue to move. The proximity switch Receive the signal that the workpiece to be measured passes, and transmit the signal to the controller, the controller controls the push cylinder to start moving, and the push cylinder pushes the workpiece to be measured from the conveyor belt to the measuring bracket and the L-shaped stop of the measured bracket One of the ribs on the side is blocked, and the cylinder of the compression cylinder moves at this time to compress the workpiece to be measured to the other side of the L-shaped rib of the measuring bracket. When both the compression cylinder and the push cylinder have completed the compression operation , the workpiece to be measured is at the measurement position; the image capture system at both ends of the measurement bracket is used to shoot the workpiece to be measured on the measurement bracket, and the images of the mounting holes at both ends of the workpiece to be measured are obtained; the images of the two sets of image capture systems are Perform image processing, compare the two with the standard image, and judge based on the center point position of the installation hole in the image, the size of the installation hole, and whether there are defects on the edge of the installation hole. If the center point position of the installation hole is consistent with the standard image, then Indicates that the length of the workpiece to be tested is the same as the standard length, and the workpiece to be tested is qualified; if the position of the center point of the mounting hole is different from the standard image, it means that the length of the workpiece to be tested is different from the standard length, and the workpiece to be tested is unqualified The workpiece to be tested; if the size of the mounting hole is unqualified or there are defects on the edge of the mounting hole, it means that the mounting hole is unqualified, and the workpiece to be tested is also an unqualified workpiece to be tested.

After the measurement is completed, the push cylinder and the compression cylinder are quickly reset, the flip drive module moves, and the measurement bracket is driven to rotate and unload. After the blanking is completed, the flip drive module drives the measurement bracket to return to the initial position. Since the single measurement process of the utility model only needs 2-5s, the single workpiece to be measured is cut off in the previous process just after the measurement of a single workpiece to be measured is completed, so the detection process can be continuously and automatically carried out.

During the movement of the pressing cylinder, the magnetic grating head at the front end of the compressing cylinder will move on the magnetic scale. At this time, the length of the workpiece to be measured can be calculated according to the moving distance of the magnetic grating head, and the length can be directly read. , which is mainly used when setting known qualified parts.

A group of industrial cameras of the utility model is arranged on the lead screw driving module, and is mainly used for adjusting the distance between the group of industrial cameras and another group of industrial cameras, so as to adapt to the measurement of workpieces to be measured with different lengths.

Since there are two installation holes at both ends of the shelf beam, the size of the two installation holes themselves is less than 10mm, but the distance between the two installation holes is often more than 40mm, so if you directly use an industrial camera to shoot, you need to place the two If two mounting holes are photographed in the same industrial camera, an industrial camera with a higher resolution must be used to capture a clearer picture of the mounting hole, otherwise the proportion of the captured mounting hole to the entire picture is too small, which is not conducive to the later stage. Image processing work; and using the principle of plane mirror reflection, the parallel light passing through one of the mounting holes is reflected to the industrial camera through the mirror, and its image is close to that of the other mounting hole, so that the image collected by the industrial camera occupies the entire screen The ratio will be increasing, which can effectively improve the speed of image processing; because the utility model adopts the method of self-learning and uses the known qualified parts to obtain standard images, and then uses the method of comparing the captured images with the standard images to judge whether the workpiece to be tested is Qualified, so even if the image captured by the industrial camera is a circle and an ellipse, the standard image for comparison is also a circle and an ellipse, so it will not have any influence in the final image processing stage; the purpose of the utility model It mainly judges whether the installation hole and the length of the workpiece to be measured are qualified by whether the installation hole is qualified. The qualified products enter the next process, and the unqualified products are directly processed separately. Therefore, there is no need to make detailed requirements on where the installation holes are unqualified.

The beneficial effects of the utility model are:

1. The utility model has the advantages of simple and compact structure, low production cost, and the detection process of the installation hole is continuously carried out online without interrupting the production process, which greatly improves the production efficiency and detection efficiency.

2. The utility model uses an industrial camera for image acquisition to detect the installation hole, and judges whether the beam of the shelf to be tested is qualified through the position of the center point of the installation hole on the image, and through the installation of the two ends of the beam of the shelf to be tested The hole shooting image is compared with the standard image to judge whether there is a defect in the installation hole and whether the length of the workpiece to be tested is qualified. The detection process is convenient and the detection accuracy is high.

3. The utility model realizes the automatic feeding, automatic detection and automatic unloading of the detection process. The whole process does not need manual processing, which avoids the measurement errors caused by various human factors that are easy to occur in manual detection; the whole device has a high degree of automation and is extremely Greatly improved detection efficiency and detection quality.

4. The utility model can adjust the distance between two industrial cameras through the screw drive module, so that the device is suitable for the detection of shelf beams of various sizes.

5. The utility model uses the principle of plane mirror reflection to bring the images of two far away installation holes close together. The size of the installation hole actually photographed by the industrial camera is many times larger than that without the reflection of the plane mirror. Therefore, the industrial camera with lower pixels is adopted. The camera can also take images with higher definition, which reduces the cost of equipment and improves the speed and accuracy of image processing.

6. The utility model sets a magnetic grating head on the compression cylinder, and uses the movement distance of the compression cylinder to indirectly calculate the length of the workpiece to be measured, further enhancing the measurement effect and improving the accuracy of detection.

Description of drawings

The utility model will be further described in detail below in conjunction with the embodiments in the accompanying drawings, but it does not constitute any limitation to the utility model.

Fig. 1 is a perspective view of a device for detecting mounting holes of shelf beams by using a plane mirror of the present invention.

Fig. 2 is a front view of a device for detecting mounting holes of shelf beams by using a plane mirror of the present invention.

Fig. 3 is a bottom view of a device for detecting mounting holes of shelf beams by using a plane mirror of the present invention.

Fig. 4 is a top view of a device for detecting mounting holes of shelf beams using a plane mirror according to the present invention.

Fig. 5 is A-A sectional view of the utility model.

Fig. 6 is a schematic diagram of the structure of the measuring bracket of the present invention.

Fig. 7 is a schematic diagram of the slider structure of the utility model.

Fig. 8 is a schematic diagram of installation of the turning drive module of the present invention.

Fig. 9 is a schematic structural diagram and an optical path diagram of the image capturing module of the present invention.

Fig. 10 is a schematic diagram of images captured by a single industrial camera of the present invention.

In the figure, 1-base, 2-workpiece to be tested, 3-conveyor belt, 4-push cylinder, 5-measurement bracket, 6-industrial camera, 7-plane mirror, 8-pressing cylinder, 9-proximity switch, 10 -block, 11-gantry, 12-positioning motor, 13-ball screw, 14-coupling, 15-limit baffle, 16-L-shaped rib, 17-bracket, 18-bearing seat, 19 -slider, 20-the first pusher plate, 21-the second pusher plate, 22-slope surface, 23-bar slide rail, 24-through hole, 25-magnetic grid head, 26-magnetic scale, 27 -first support, 28-second support, 29-overturn cylinder, 30-camera mount, 31-plane mirror mount, 32-parallel light source.

detailed description

Below in conjunction with accompanying drawing, the utility model is further described:

Referring to Figures 1 to 10, a device for detecting mounting holes of shelf beams using a plane mirror 7 of the present invention includes a base 1, a conveyor belt 3, a proximity switch 9, a stopper 10, a push cylinder 4, a measuring bracket 5, Gantry 11, image capture module, lead screw drive module, compression cylinder 8 and overturn drive module, the conveyor belt 3 is arranged on the base 1, and the feed port of the conveyor belt 3 is connected to the discharge of the pre-cutting process The end of the conveyor belt 3 is provided with a proximity switch 9 and a stopper 10 in sequence along the moving direction of the conveyor belt 3. The proximity switch 9 is embedded in the base 1 and is used to detect whether there is a workpiece to be measured on the base 1. The stopper 10 is fixed above the base 1 and is used to limit the position of the workpiece to be measured; one side of the conveyor belt 3 is provided with a push cylinder 4 perpendicular to the conveying direction of the conveyor belt 3, and the other side is provided with a measuring bracket 5 , the proximity switch 9 is triggered to control the movement of the push cylinder 4, and the push cylinder 4 pushes the workpiece to be measured on the conveyor belt 3 onto the measuring bracket 5; the pressing cylinder 8 is arranged on the measuring bracket 5 and is close to the conveying The feed port of the band 3, the pressing cylinder 8 is used to press the workpiece to be measured along the moving direction of the conveyor belt 3; The root bracket 17 is fixed on the base 1; the two ends of the measuring bracket 5 are connected to the base 1 through two rotating shafts, and the turning drive module is connected to the base 1 and the measuring bracket 5 respectively, and the turning driving module drives the The measuring carriage 5 rotates about two axes of rotation.

Described image capturing module is provided with two groups, and two groups of image capturing modules are respectively arranged on the front and rear ends of measuring bracket 5, and is used for two pairs of mounting holes before and after the workpiece 2 to be measured to carry out image acquisition; Two groups of image capturing modules include Industrial camera 6, camera fixing base, parallel light source 32, plane mirror mounting base 31 and plane mirror 7, industrial camera 6 is installed on the gantry 11 above measuring bracket 5 by camera fixing base, parallel light source 32 is arranged on measuring bracket 5 At the bottom, the parallel light source 32 is arranged directly below the industrial camera 6, and the plane mirror 7 is obliquely arranged between the industrial camera 6 and the measurement bracket 5, and the plane mirror 7 is installed on the camera holder by the plane mirror 7 holder; The measuring bracket 5 directly below the industrial camera 6 is also provided with a through hole 24, and the parallel light source 32 emits vertically upward parallel light rays. , one of which directly shines on the industrial camera 6, and the other shines on the industrial camera 6 after being reflected by the plane mirror 7.

The device also includes a screw drive module, the screw drive module is fixed on the gantry 11; the screw drive module includes a positioning motor 12, a coupling 14 and a ball screw 13, and the positioning motor 12 is fixed on the gantry 11, the ball screw 13 is fixed on the gantry 11 through two bearing housings 18, the ball screw 13 is arranged parallel to the conveyor belt 3, the positioning motor 12 is connected to the ball screw 13 through the coupling 14, and the ball A slide block 19 is set on the lead screw 13, wherein the industrial camera 6 of one group of image capture modules is fixed on one end of the gantry 11 through the camera mount 30, and the industrial camera 6 of the other group of image capture modules passes through the camera mount 30 Fixed on the slider 19, the positioning motor 12 drives the ball screw 13 to rotate and drives the industrial camera 6 and the plane mirror 7 connected to the slider 19 to move linearly along the ball screw 13.

The pushing cylinder 4 is arranged in the middle of the conveyor belt 3 , and the front end of the pushing cylinder 4 is provided with a first pushing plate 20 . The position of pushing cylinder 4 is not limited to the middle part of conveyor belt 3, it can also be the direction that the middle part of conveyor belt 3 is close to the discharge end, and its position is adjustable; the position of pushing cylinder 4 mainly depends on the length of the workpiece to be measured that needs to be detected. As long as the distance between the push cylinder 4 and the stopper 10 is equal to half of the length of the workpiece to be measured, it can be ensured that the push cylinder 4 is always in the middle of the workpiece to be measured when the position of the push cylinder 4 is adjusted. The contact surface of the first pushing plate 20 and the workpiece to be measured is a plane perpendicular to the working surface, and the contact surface of the first pushing plate 20 and the workpiece to be measured is parallel to the moving direction of the conveyor belt, and the pushing cylinder 4 directly passes through the The first pushing plate 20 pushes the workpiece to be measured horizontally toward the measuring bracket 5 .

A slope surface 22 is provided on the side of the measuring bracket 5 close to the conveyor belt 3 . When the measurement bracket 5 rotates around the rotation axis under the action of the overturn drive module, if there is no effect of the slope surface 22, it will inevitably cause contact between the edge of the measurement bracket 5 and the base 1, causing the rotation to not proceed normally; The surface 22 can facilitate the workpiece 2 to be measured to enter the measuring bracket 5 from the base 1 and prevent the workpiece to be measured from being stuck at the joint between the base 1 and the measuring bracket 5 .

The two ends of the feed port of the conveyor belt 3 are provided with two limit baffles 15, the two limit baffles 15 are arranged in parallel, and the distance between the two limit baffles 15 is equal to the width of the conveyor belt 3 .

Described measuring bracket 5 is provided with L-shaped rib 16, and two ribs of L-shaped rib 16 are perpendicular to each other, and when one rib of L-shaped rib 16 pushes cylinder 4 to compress workpiece to be measured, the workpiece to be measured is another The spacing at one end, the other rib of the L-shaped rib 16 is used for the spacing of the other end of the workpiece to be measured when the compression cylinder 8 compresses the workpiece to be measured. The two sides of the L-shaped rib 16 are positioned on the two sides of the workpiece to be measured, so as to ensure that the positions of each workpiece to be measured are the same when detected.

The slider 19 is provided with a U-shaped groove, and the bottom of the camera mount 30 is provided with a bar-shaped slider 19 , and the slider 19 is set on the bar-shaped slide rail 23 through the U-shaped groove. Under the combined action of the strip guide rail 23 and the ball screw 13, the slider 19 is guaranteed to move linearly in a direction parallel to the moving direction of the conveyor belt 3 .

The measuring bracket 5 is provided with a magnetic scale 26, and the end of the piston rod of the pressing cylinder 8 is connected to a second pushing plate 21, and the second pushing plate 21 is provided with a magnetic scale 26 corresponding to the magnetic scale 26. Matched magnetic grid head 25. When the compression cylinder 8 moves, it drives the second pusher plate 21 at the front end of the compression cylinder 8 to move. When the second pusher plate 21 moves, it drives the magnetic grid head 25 to move synchronously. The magnetic grid head 25 detects the distance that the compression cylinder 8 moves. The length of the workpiece to be measured can be calculated according to the data of the magnetic scale 26 when the initial position of the cylinder 8 is pressed. The main function of the magnetic scale 26 is to measure the length of the standard workpiece to be measured when replacing and measuring workpieces to be measured with different sizes.

Described overturn drive module comprises first support 27, second support 28 and overturn cylinder 29, and first support 27 is fixed on the base 1, and second support 28 is fixed on the measuring bracket 5, and the overturn cylinder 29 Both ends are hinged to the first support 27 and the second support 28 respectively. The base of the overturning cylinder 29 is connected to the first support 27, and the end of the piston rod of the overturning cylinder 29 is connected to the second support 28. The first support 27 is fixed, and the overturning cylinder 29 itself will go around the first support when it moves. 27 rotates, and the piston rod end of the overturning cylinder 29 drives the second bearing 29 to rotate around the two rotating shafts on the measuring bracket 5, thereby realizing the rotating blanking of the measuring bracket 5. The overturn driving module adopts a cam mechanism, which can ensure that the measuring bracket rotates within a certain angle range.

The utility model is arranged in an airtight and opaque environment as a whole, so as to prevent the light from affecting the parallel light emitted by the parallel light source 32 .

The above-mentioned embodiments are preferred implementation modes of the present utility model, which are only used to facilitate the description of the present utility model, and are not intended to limit the present utility model in any form. Anyone with ordinary knowledge in the technical field, if they do not depart from this utility model Within the scope of the technical features mentioned in the utility model, the equivalent embodiments that make partial changes or modifications made by using the technical content disclosed in the utility model, and do not deviate from the technical features of the utility model, still belong to the technical features of the utility model In the range.

Claims (9)

1. A device that utilizes a plane mirror to detect the installation hole of a shelf crossbeam, characterized in that it includes a base (1), a conveyor belt (3), a proximity switch (9), a stopper (10), a push cylinder (4), a measuring Bracket (5), gantry (11), image capture module, lead screw drive module, compression cylinder (8) and flip drive module, the conveyor belt (3) is arranged on the base (1), and the conveyor The feed port of the belt (3) is connected to the discharge port of the pre-cutting process, and the end of the conveyor belt (3) is successively provided with a proximity switch (9) and a stopper (10) along the moving direction of the conveyor belt (3), so that The proximity switch (9) is embedded in the base (1) and is used to detect whether there is a workpiece (2) to be measured on the base (1), and the stopper (10) is fixed above the base (1) and is used to detect The workpiece (2) is limited; one side of the conveyor belt (3) is provided with a push cylinder (4) perpendicular to the conveying direction of the conveyor belt (3), and the other side is provided with a measuring bracket (5). After the proximity switch (9) is triggered, the push cylinder (4) is controlled to move, and the push cylinder (4) pushes the workpiece (2) on the conveyor belt (3) to the measuring bracket (5); (8) Set on the measuring bracket (5) and close to the feeding port of the conveyor belt (3), the pressing cylinder (8) is used to compress the workpiece (2) to be measured along the moving direction of the conveyor belt (3) The gantry (11) is fixed directly above the measuring bracket (5), and the left and right ends of the gantry (11) are fixed on the base (1) by two supports (17); the measuring bracket (5) ) are connected to the base (1) through two rotating shafts, the flip drive module is connected to the base (1) and the measurement bracket (5) respectively, and the flip drive module drives the measurement bracket (5) along the two root rotation axis rotation; Described image capturing module is provided with two groups, and two groups of image capturing modules are respectively arranged on the front and rear ends of the measuring bracket (5), and is used for image acquisition of two pairs of mounting holes before and after the workpiece (2) to be measured; two groups of diagrams The imaging module includes an industrial camera (6), a camera holder, a parallel light source (32), a plane mirror installation base (31) and a plane mirror (7), and the industrial camera (6) is installed above the measurement bracket (5) through the camera holder On the gantry (11), the parallel light source (32) is arranged at the bottom of the measurement bracket (5), the parallel light source (32) is arranged directly below the industrial camera (6), and the plane mirror (7) is arranged obliquely on the industrial Between the camera (6) and the measuring bracket (5), the plane mirror (7) is installed on the camera fixing base through the plane mirror (7) fixing base; the measuring bracket (5) directly below the industrial camera (6) There is also a through hole (24) on the top, and the parallel light source (32) emits vertically upward parallel light rays. After passing through the through hole (24), the parallel light rays are emitted from two mounting holes at the same end of the workpiece (2) to be measured. One directly irradiates on the industrial camera (6), and the other irradiates on the industrial camera (6) after being reflected by the plane mirror (7). 2. A kind of device that utilizes plane mirror to carry out shelf crossbeam mounting hole detection according to claim 1, is characterized in that: also comprises screw drive module, and described screw drive module is fixed on the gantry (11); The screw drive module includes a positioning motor (12), a shaft coupling (14) and a ball screw (13), the positioning motor (12) is fixed on the gantry (11), and the ball screw (13) passes through two bearing seats (18) is fixed on the gantry (11), and the ball screw (13) is arranged in parallel with the conveyer belt (3), and the positioning motor (12) is connected to the ball screw (13) through a shaft coupling (14). The ball screw (13) is covered with a slider (19), wherein one set of industrial cameras (6) of the image capture module is fixed on one end of the gantry (11) through the camera mount (30), and the other set of Fig. The industrial camera (6) like photographing module is fixed on the slide block (19) by the camera mount (30), and when the described positioning motor (12) drives the ball screw (13) to rotate, it drives the motor connected to the slide block (19). The industrial camera (6) and the flat mirror (7) move linearly along the ball screw (13). 3. A device for detecting mounting holes of shelf crossbeams using a plane mirror according to claim 1, characterized in that: the push cylinder (4) is arranged in the middle of the conveyor belt (3), and the front end of the push cylinder (4) A first pushing plate (20) is provided. 4. A device for detecting mounting holes of shelf crossbeams using a plane mirror according to claim 1, characterized in that: the side of the measuring bracket (5) close to the conveyor belt (3) is provided with a slope surface (22) . 5. A device for detecting mounting holes of shelf crossbeams using a plane mirror according to claim 1, characterized in that: two limit baffles (15 ), two limit baffles (15) are arranged in parallel, and the spacing between the two limit baffles (15) is equal to the width of the conveyor belt (3). 6. a kind of device utilizing plane mirror to carry out shelf crossbeam mounting hole detection according to claim 1, is characterized in that: described measuring bracket (5) is provided with L-shaped rib (16), L-shaped rib ( The two ribs of 16) are perpendicular to each other, and one rib of the L-shaped rib (16) pushes the cylinder (4) to the limit of the other end of the workpiece (2) to be measured when it is pressed against the workpiece (2), and the L-shaped rib Another rib of the limit (16) is used for the spacing of the other end of the workpiece to be measured (2) when the cylinder (8) is compressed to the workpiece to be measured (2). 7. A device for detecting mounting holes of shelf beams using a plane mirror according to claim 2, characterized in that: said slider (19) is provided with a U-shaped groove, and the bottom of the camera mounting base (30) is provided with A bar-shaped slide block (19), the slide block (19) is set on the bar-shaped slide rail (23) through a U-shaped groove. 8. A device for detecting mounting holes of shelf crossbeams using a plane mirror according to claim 1, characterized in that: said measuring bracket (5) is provided with a magnetic scale (26), and said pressing cylinder ( 8) The end of the piston rod is connected to the second pushing plate (21), and the second pushing plate (21) is provided with a magnetic grating head (25) matched with the magnetic scale (26). 9. A device for detecting mounting holes of shelf crossbeams using a plane mirror according to claim 1, characterized in that: the turning drive module includes a first support (27), a second support (28) and a turning cylinder (29), the first support (27) is fixed on the base (1), the second support (28) is fixed on the measuring bracket (5), and the two ends of the turning cylinder (29) are respectively connected with the first support (27) and the second support (28) are hinged.