CN219978155U

CN219978155U - Automatic vision detection device

Info

Publication number: CN219978155U
Application number: CN202321152009.5U
Authority: CN
Inventors: 崔钦; 姜可心; 吴茂聪
Original assignee: Changyuan Medical Precision Shenzhen Co ltd
Current assignee: Changyuan Medical Precision Shenzhen Co ltd
Priority date: 2023-05-12
Filing date: 2023-05-12
Publication date: 2023-11-07
Anticipated expiration: 2033-05-12

Abstract

The utility model discloses an automatic visual detection device, which is convenient for driving a positioning mechanism arranged on the automatic visual detection device to rotate by arranging a turntable mechanism so as to drive a product on the positioning mechanism to rotate. Through positioning mechanism's setting, can realize the location to the product, prevent that the product from removing and influence visual detection effect. The rotary mechanism is arranged, so that the positioning mechanism is driven to rotate, and a product on the positioning mechanism is driven to rotate, so that detection of different angles of the product is facilitated. The visual detection mechanism and the arrangement of the visual detection mechanism capable of moving left and right are convenient to ensure that the consistency of detection pictures is ensured by keeping a fixed distance between the camera and the arc surface of the product when the product on the positioning mechanism rotates, thereby being beneficial to improving visual detection quality and being applicable to products with arc surfaces, the wear and the tear of which are required to be detected.

Description

Automatic vision detection device

Technical Field

The utility model relates to the technical field of vision automatic detection, in particular to an automatic vision detection device.

Background

In the industrial production process, in order to improve the qualification rate of products, the processed products need to be detected, and in order to improve the detection efficiency, most of the products are detected by adopting an automatic visual detection device. In the conventional visual inspection apparatus, at least one camera with different angles or a rotation mechanism capable of driving the product to rotate is usually installed for the product requiring different angle detection.

However, for some products with cambered surfaces, such as oval pistons, which need to detect the wear degree, the consistency of the detected images needs to be ensured by keeping a fixed distance between the camera and the cambered surface of the product when the product rotates, if the distance between the camera and the cambered surface of the product is not fixed during rotation, the quality of the images shot at different positions of the cambered surface is inconsistent, and further, inaccurate comparison between the shooting data set by the camera and the actual shooting data can be caused, so that the detection quality is affected.

Therefore, how to overcome the above-mentioned drawbacks has become an important issue to be solved by the person skilled in the art.

Disclosure of Invention

The utility model overcomes the defects of the technology and provides an automatic visual detection device.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

the utility model provides an automatic visual inspection device, includes the base, be equipped with rotatable carousel mechanism on the base, install the positioning mechanism that can press from both sides tight/loosen the product on the carousel mechanism, the base is equipped with the rotary mechanism that can drive the product that is pressed from both sides tight by positioning mechanism at one of them side below of carousel mechanism and rotates certain angle, the base is equipped with the visual inspection mechanism that can fly to clap the product on the carousel mechanism and can move about when detecting in one side that rotary mechanism kept away from carousel mechanism.

Preferably, the turntable mechanism comprises a first motor arranged on the base and a turntable which is driven by the first motor to rotate, and at least one positioning mechanism is circumferentially arranged on the turntable.

Preferably, the positioning mechanism comprises a mounting seat arranged on the turntable mechanism, at least one positioning seat which is arranged on the mounting seat and can clamp/unclamp products, and a connecting seat which is fixedly connected below the positioning seat and can rotate under the drive of the rotating mechanism, wherein the mounting seat is provided with at least one mounting opening for the positioning seat to be mounted thereon, the positioning seat is downwards concavely provided with a jack for inserting products therein, and a clamping assembly which is internally provided with a clamping assembly for clamping/unclamp products in the jack.

Preferably, the clamping assembly comprises two elastic clamping blocks which are distributed on the left side and the right side of the jack and can automatically reset to clamp a product when not stressed, each elastic clamping block is correspondingly provided with a roller, and the two rollers respectively installed on different elastic clamping blocks can be pushed away by the action of an external mechanism to be separated from each other/can be mutually close to each other through the automatic reset of the elastic clamping blocks when not stressed.

Preferably, the rotary mechanism comprises a first cylinder arranged on the base, a first movable block driven by the first cylinder and capable of lifting, and a second movable block connected with the first movable block through a first motor, wherein the connecting seat is provided with a convex block in a downward protruding manner and at least one connecting hole, the second movable block is provided with a concave groove matched with the convex block in shape and capable of being inserted into the concave groove when being lifted upwards, and a plurality of convex strips capable of being inserted into the connecting holes when being lifted upwards are arranged in an upward protruding manner.

Preferably, the visual detection mechanism comprises a supporting seat arranged on the base, a second motor arranged on the supporting seat, a third movable block driven by the third motor and capable of moving left and right under the transmission action of a screw rod transmission assembly inside the third motor, and a camera and a light source for supplementing light to a product are arranged on the third movable block.

Preferably, the stator of the first motor is fixedly connected with a fixing plate, and the fixing plate is provided with a backlight module which is arranged relative to the left and right sides of the visual detection mechanism and is used for providing a backlight source for a product.

Preferably, the positioning mechanism is further provided with a locking structure for locking the connecting seat on the mounting seat when the rotating mechanism is not required to drive the connecting seat to rotate.

Preferably, the locking structure comprises a locking hole arranged on the connecting seat, a locking seat arranged on the mounting seat and positioned on one side of the positioning seat, and a positioning pin arranged on the locking seat and matched with the locking hole, wherein the locking seat is provided with a reset spring which is used for being compressed when stressed/rebounded when unstressed and locking the positioning pin and the locking hole again through the mounting hole on the lower surface of the locking seat, and each positioning seat is correspondingly provided with a locking structure.

Preferably, the base is provided with a first adjusting screw for longitudinally adjusting the supporting seat and a second adjusting screw for transversely adjusting the supporting seat.

Compared with the prior art, the utility model has the beneficial effects that:

1. the rotary table mechanism is arranged so as to drive the positioning mechanism arranged on the rotary table mechanism to rotate, and therefore the product on the positioning mechanism is driven to rotate. Through positioning mechanism's setting, can realize the location to the product, prevent that the product from removing and influence visual detection effect. The rotary mechanism is arranged, so that the positioning mechanism is driven to rotate, and a product on the positioning mechanism is driven to rotate, so that detection of different angles of the product is facilitated. The visual detection mechanism and the arrangement of the visual detection mechanism capable of moving left and right are convenient to ensure that the consistency of detection pictures is ensured by keeping a fixed distance between the camera and the arc surface of the product when the product on the positioning mechanism rotates, thereby being beneficial to improving visual detection quality and being applicable to products with arc surfaces, the wear and the tear of which are required to be detected.

2. This case positioning mechanism's mount pad and positioning seat's setting to the product that will place it presss from both sides tightly and realizes the location, and the product removes at will when preventing visual inspection, is favorable to improving visual inspection effect. The elastic clamping blocks and the rollers of the clamping assembly are arranged so as to facilitate automatic clamping and loosening of products, and the clamping assembly is simple in structure and convenient to set.

3. The setting of this case rotary mechanism's first cylinder, the drive of being convenient for the first movable block jack-up upwards. So that make recess upwards and lug cooperation grafting and make the sand grip upwards insert the connecting hole, thereby drive positioning mechanism's connecting seat is rotatory, thereby drives the rotation of product, and its flexibility is good, is convenient for realize the detection to the different angles of product with visual detection mechanism cooperation.

4. The setting of locking hole and locating pin of locking structure is convenient for can make the positioning seat lock on the mount pad and can not disorder through locking hole and locating pin when the positioning seat is rotatory not to can not influence visual detection. The reset spring is arranged, so that on one hand, the first movable block of the rotating mechanism can be compressed under the action of force when ascending, and the locking seat can be jacked up to drive the positioning pin to be jacked up, and the positioning pin and the locking hole are separated and unlocked; on the other hand, the first movable block can rebound to the original position without being stressed when being lowered so as to enable the positioning pin to be locked again; the automatic unlocking and locking device can be matched with the rotating mechanism to realize automatic unlocking and locking, and is beneficial to improving the detection efficiency.

Drawings

Fig. 1 is a schematic perspective view of the present case.

Fig. 2 is a schematic structural view of the positioning mechanism.

Fig. 3 is an exploded view of the positioning mechanism with the mounting base hidden in this case.

Fig. 4 is a schematic structural view of the rotating mechanism of the present case.

Fig. 5 is a schematic structural view of the visual inspection mechanism.

Detailed Description

The following examples are provided to illustrate the features of the present utility model and other related features in further detail to facilitate understanding by those skilled in the art:

the product 100 can be clamped and released by an external mechanism to be placed on the positioning mechanism 3 when detection is needed, and can be clamped and transferred away by the external mechanism after detection is finished.

As shown in fig. 1 to 5, an automatic visual inspection device comprises a base 1, a rotatable turntable mechanism 2 is arranged on the base 1, a positioning mechanism 3 capable of clamping/loosening a product 100 is arranged on the turntable mechanism 2, a rotating mechanism 4 capable of driving the product 100 clamped by the positioning mechanism 3 to rotate by a certain angle is arranged below one side of the turntable mechanism 2 on the base 1, and a visual inspection mechanism 5 capable of performing visual fly inspection on the product 100 on the turntable mechanism 22 rightward and moving left and right during inspection is arranged on one side of the rotating mechanism 4 away from the turntable mechanism 2.

As described above, the rotary table mechanism 2 is arranged so as to drive the positioning mechanism 3 mounted on the rotary table mechanism to rotate, so that the product 100 on the positioning mechanism 3 is driven to rotate. By the arrangement of the positioning mechanism 3, the product 100 can be positioned, and the product 100 is prevented from moving to influence the visual detection effect. The rotation mechanism 4 is arranged to facilitate the rotation of the driving positioning mechanism 3, so that the product 100 on the positioning mechanism 3 is driven to rotate, and the detection of different angles of the product 100 is facilitated. The visual detection mechanism 5 and the arrangement of the visual detection mechanism capable of moving left and right are convenient to ensure that the consistency of detection pictures is ensured by keeping a fixed distance between a camera and the arc surface of the product 100 when the product 100 on the positioning mechanism 3 rotates, thereby being beneficial to improving visual detection quality and being applicable to the product 100 with the arc surface, which needs to detect the wear degree.

As shown in fig. 1, in the embodiment, the turntable mechanism 2 includes a first motor 21 mounted on the base 1, and a turntable 22 driven by the first motor 21 to be rotatable, where at least one positioning mechanism 3 is circumferentially disposed on the turntable 22. In this way, the positioning mechanisms 3 can be driven at one time, so that a plurality of products 100 can be placed on the positioning mechanisms 3 at one time, which is beneficial to improving the detection efficiency.

As shown in fig. 1 to 3, in the embodiment, the positioning mechanism 3 includes a mounting seat 31 fixedly connected to the turntable 22, two positioning seats 32 arranged longitudinally and capable of clamping/releasing the product 100 and fixedly connected to the lower part of the positioning seat 32, and a connection seat 33 driven by the rotation mechanism 4 and capable of rotating, wherein two mounting openings 311 for mounting the positioning seat 32 are provided on the mounting seat 31, a jack 321 for inserting the product 100 is provided in the positioning seat 32 in a downward concave manner, and a clamping assembly 322 capable of clamping/releasing the product 100 in the jack 321 is provided in the positioning seat 32.

As shown in fig. 2 and 3, the clamping assembly 322 includes two elastic clamping blocks 3221 distributed on the left and right sides of the insertion hole 321 and capable of automatically resetting to clamp the product 100 when no force is applied, each elastic clamping block 3221 is correspondingly provided with a roller 3222, when the product 100 needs to be detected, the two rollers 3222 respectively mounted on the different elastic clamping blocks 3221 are pushed apart and separated under the action of an external mechanism, so that the two elastic clamping blocks 3221 are released, the product 100 is inserted into the insertion hole 321 of the positioning seat 32 at this time, then the external mechanism is far away from the rollers 3222, and the springs in the elastic clamping blocks 3221 automatically clamp the product 100 due to no external force, thereby realizing the positioning of the product 100.

As described above, the positioning mechanism 3 is provided with the mounting seat 31 and the positioning seat 32, so that the product 100 placed thereon is clamped to realize positioning, and the product 100 is prevented from moving randomly during visual inspection, which is beneficial to improving visual inspection effect. The elastic clamping blocks 3221 and the rollers 3222 of the clamping assembly 322 are arranged so as to facilitate automatic clamping and loosening of the product 100, and the clamping assembly is simple in structure and convenient to arrange.

As shown in fig. 3 and fig. 4, in the implementation, the rotating mechanism 4 includes a first cylinder 41 disposed on the base 1, a first movable block 42 driven by the first cylinder 41 to be able to lift, and a second movable block 44 able to rotate and connected to the first movable block 42 by a second motor 43, where the connecting seat 33 is provided with a protruding block 331 protruding downward and at least one connecting hole 332, and the second movable block 44 is provided with a concave groove 441 matching the protruding block 331 in shape and being inserted into the protruding block 331 when being lifted upward, and a plurality of protruding strips 442 protruding upward and being able to be inserted into the connecting hole 332 when being lifted upward.

As described above, the first cylinder 41 of the rotation mechanism 4 is provided so as to drive the first movable block 42 to be lifted up. So that the groove 441 is conveniently inserted upwards in cooperation with the protruding block 331 and the protruding strip 442 is conveniently inserted into the connecting hole 332 upwards, thereby driving the connecting seat 33 of the positioning mechanism 3 to rotate, thereby driving the product 100 to rotate, and the flexibility is good, so that the detection of different angles of the product 100 can be conveniently realized in cooperation with the visual detection mechanism 5.

As shown in fig. 5, in the embodiment, the visual inspection mechanism 5 includes a supporting seat 51 provided on the base 1, a third motor 52 mounted on the supporting seat 51, a third movable block 53 driven by the third motor 52 and capable of moving left and right by the transmission action of a screw transmission assembly inside the third motor 52, and a camera 54 and a light source 55 for supplementing light to the product 100 are mounted on the third movable block 53. In specific implementation, the screw transmission assembly includes a screw fixedly connected with the rotor of the third motor 52 and a screw sleeve fixedly connected with the third movable block 53 and used for being matched with the screw. The third motor 52 can move left and right through the transmission function of the screw rod sleeve when rotating.

As described above, the third motor 52 of the visual inspection mechanism 5 is configured to drive the third movable block 53 to move left and right, so as to drive the camera 54 and the light source 55 to move left and right together, and adjust the position of the camera according to the position of the product 100, so that the camera and the product 100 keep a fixed distance, thereby ensuring consistency of inspection quality, and being beneficial to improving inspection effect.

As shown in fig. 1, the stator of the first motor 21 is fixedly connected with a fixing plate 211, and the fixing plate 211 is provided with a backlight module 6 which is arranged opposite to the visual detection mechanism 5 in left-right direction and is used for providing a backlight source for the product 100. In practical implementation, the backlight module 6 is a module composed of an optical material such as an LED light source, a light guide plate, a diffusion sheet, a prism sheet, a reflection sheet, and a precision structural member. Thus, sufficient light is provided and evenly distributed to enable the camera 54 to capture a clearer normal image of the product 100.

As shown in fig. 3, in the embodiment, the positioning mechanism 3 is further provided with a locking structure for locking the connecting seat 33 on the mounting seat 31 when the rotating mechanism 4 is not required to drive the connecting seat 33 to rotate. The locking structure comprises a locking hole 71 arranged on the connecting seat 33, a locking seat 72 arranged on the mounting seat 31 and positioned on one side of the positioning seat 32, and a positioning pin 73 arranged on the locking seat 72 and matched with the locking hole 71, wherein the locking seat 72 is provided with a reset spring 74 which is used for being compressed when stressed/used for being rebounded when unstressed and locking the positioning pin 73 with the locking hole 71 again through a mounting hole 721 on the lower surface of the locking seat 72, and each positioning seat 32 is correspondingly provided with a locking structure.

As described above, the provision of the locking hole 71 and the positioning pin 73 of the locking structure facilitates the locking of the positioning seat 32 to the mount seat 31 without being disturbed by the locking hole 71 and the positioning pin 73 when the positioning seat 32 is not rotated, so that visual detection is not affected. The reset spring 74 is arranged, so that on one hand, the first movable block 42 of the rotating mechanism 4 can be compressed under force when being lifted, and the locking seat 72 can be jacked up to drive the positioning pin 73 to be jacked up, and the positioning pin 73 is separated from the locking hole 71 for unlocking; on the other hand, the positioning pin 73 can be locked again by rebound to the original position without being stressed when the first movable block 42 descends; the automatic unlocking and locking device can be matched with the rotating mechanism 4 to realize automatic unlocking and locking, and is beneficial to improving the detection efficiency.

As shown in fig. 5, in the implementation, the base 1 is provided with a first adjusting screw 8 for longitudinally adjusting the supporting seat 51 and a second adjusting screw 9 for transversely adjusting the supporting seat 51. Thus, the position of the camera 54 can be flexibly fine-tuned, the position of the camera 54 is ensured to be accurate, and the detection precision is improved.

As described above, the working process of the automatic vision detection device is as follows: the external mechanism pushes up two rollers 3222 respectively installed on different elastic clamping blocks 3221 so that the two elastic clamping blocks 3221 are loosened, at the moment, the product 100 is placed on the positioning seat 32 of the positioning mechanism 3, and then the external mechanism is far away from the rollers 3222, so that the two elastic clamping blocks 3221 are automatically reset to clamp the product 100, and positioning is achieved; by analogy, at least one product 100 is respectively mounted on the positioning seats 32 of the different positioning mechanisms 3 for positioning. While at least one positioning seat 32 is locked by the locking structure. The turntable mechanism 2 drives at least one positioning mechanism 3 to rotate, so that the product 100 on the turntable mechanism is driven to rotate, and when the product 100 rotates to a position which can be detected by the visual detection mechanism 5, the camera 54 of the visual detection mechanism 5 flies through the product 100 while moving back and forth. When one of the surfaces of the product 100 is inspected, the first cylinder 41 of the rotating mechanism 4 moves upward, so that the first movable block 42 pushes up the locking seat 72 of the locking structure, thereby separating the positioning pin 73 from the locking hole 71, and simultaneously inserting the protrusion 231 and the groove 441 of the connecting seat 33 together to insert the connecting hole 232 and the protrusion 442 together. Then the second motor 43 rotates to drive the second movable block 44 to rotate, so that the product 100 on the positioning seat 32 rotates 180 degrees, then the first cylinder 41 of the rotating mechanism 4 moves downwards to return to the original position, so that the positioning pin 73 of the locking structure rebounds to be locked again, and then the camera 54 of the visual detection mechanism 5 detects the other surface of the product 100. When the detection of both the front and back sides of the product 100 is completed, the external mechanism will again push the two rollers 3222 open, so that the product 100 of the positioning mechanism 3 is loosened, and finally the product 100 is clamped to the designated position by another external mechanism.

As described above, the present disclosure protects an automatic visual inspection device, and all technical schemes which are the same as or similar to the present disclosure should be shown as falling within the protection scope of the present disclosure.

Claims

1. The utility model provides an automatic visual inspection device, includes the base, its characterized in that be equipped with rotatable carousel mechanism on the base, install the positioning mechanism that can press from both sides tight/loosen the product on the carousel mechanism, the base is equipped with the rotary mechanism that can drive the product that is pressed from both sides tight by positioning mechanism below one of them side of carousel mechanism, the base is equipped with the visual inspection mechanism that can carry out the visual flyswatter to the product on the carousel mechanism and can control the motion when detecting in one side that rotary mechanism kept away from carousel mechanism.

2. An automatic vision inspection device according to claim 1, wherein the turntable mechanism comprises a first motor mounted on the base, and a turntable rotatably driven by the first motor, and at least one positioning mechanism is circumferentially arranged on the turntable.

3. The automatic visual inspection device according to claim 1, wherein the positioning mechanism comprises a mounting seat mounted on the turntable mechanism, at least one positioning seat which is mounted on the mounting seat and can clamp/unclamp products and is longitudinally arranged, and a connecting seat which is fixedly connected below the positioning seat and can rotate under the driving of the rotating mechanism, the mounting seat is provided with at least one mounting opening for the positioning seat to be mounted thereon, the positioning seat is downwards concavely provided with a jack for inserting products therein, and a clamping assembly which is internally provided with a clamping assembly capable of clamping/unclamp products in the jack.

4. An automatic visual inspection device according to claim 3, wherein the clamping assembly comprises two elastic clamping blocks which are distributed on the left and right sides of the insertion hole and can automatically reset to clamp a product when no force is applied, each elastic clamping block is correspondingly provided with a roller, and the two rollers respectively arranged on different elastic clamping blocks can be pushed away by an external mechanism to be separated from each other/can be automatically reset to be close to each other when no force is applied.

5. The automatic visual inspection device according to claim 3, wherein the rotating mechanism comprises a first cylinder arranged on the base, a first movable block driven by the first cylinder to be lifted, and a second movable block capable of rotating and connected with the first movable block through a first motor, the connecting seat is provided with a protruding block in a downward protruding manner, at least one connecting hole is formed in the connecting seat, the second movable block is provided with a groove matched with the protruding block in shape and capable of being inserted into the protruding block when being lifted upwards, and a plurality of protruding bars capable of being inserted into the connecting hole when being lifted upwards are arranged in a protruding manner.

6. The automatic vision inspection device according to claim 1, wherein the vision inspection mechanism comprises a supporting seat arranged on the base, a second motor arranged on the supporting seat, a third movable block driven by the third motor and capable of moving left and right under the transmission action of a screw rod transmission assembly inside the third motor, and a camera and a light source for supplementing light to the product are arranged on the third movable block.

7. The automatic vision inspection device according to claim 2, wherein the stator of the first motor is fixedly connected with a fixing plate, and a backlight module which is arranged opposite to the left and right sides of the vision inspection mechanism and is used for providing a backlight source for the product is arranged on the fixing plate.

8. An automatic vision inspection device according to claim 3, wherein the positioning mechanism is further provided with a locking structure for locking the connector to the mounting base when the connector is not required to be rotated by the rotating mechanism.

9. An automatic vision inspection device according to claim 8, characterized in that the locking structure comprises a locking hole provided on the connecting seat, a locking seat mounted on the mounting seat and located on one side of the positioning seat, a positioning pin provided on the locking seat and fitted with the locking hole, the locking seat being provided with a return spring through the mounting hole on its lower surface for being compressed when being stressed/for rebounding when not being stressed to lock the positioning pin with the locking hole again, each of the positioning seats being provided with a locking structure.

10. The automatic vision inspection device according to claim 1, wherein the base is provided with a first adjusting screw for longitudinally adjusting the support base and a second adjusting screw for transversely adjusting the support base.