Apparent defect detection equipment for joint products

Abstract

The utility model provides appearance defect detection equipment for joint products, which comprises a rack, a detection device and a control device, the feeding mechanism is arranged on the workbench; the carrying mechanism is arranged on the workbench and is in butt joint with the feeding mechanism; the multi-angle displacement mechanism is arranged on the workbench and used for receiving the to-be-detected joint product on the carrying mechanism, so that multi-angle displacement of the to-be-detected joint product is achieved; the detection mechanism is arranged on the rack and is used for carrying out appearance defect detection on the to-be-detected joint product in cooperation with the multi-angle displacement mechanism; and the discharging mechanism is arranged on the workbench and used for placing defective products. Two to-be-detected joint products are clamped at the same time through a first clamp on a mechanical arm and transferred to a second clamp to be positioned, and a multi-angle displacement mechanism moves to the position, below a detection mechanism, of the to-be-detected products in the first direction; and all external parts of the joint product can be detected in all directions through the movement in the second direction and the rotation in the third direction, the fourth direction and the fifth direction.

Description

Technical Field

[0001] The utility model belongs to the technical field of detection equipment, and in particular relates to an appearance defect detection device for joint products. Background Art

[0002] Joint products in the medical industry need to be inspected for appearance defects after production. Since the products have reflective surfaces, existing inspection methods using the human eye can easily cause visual fatigue, resulting in large inspection errors and low efficiency. Utility Model Content

[0003] The purpose of the present invention is to provide a device for detecting appearance defects of joint products to solve the problems raised in the above-mentioned background technology.

[0004] In view of this, the present invention provides an appearance defect detection device for joint products, comprising:

[0005] A frame, wherein a workbench is provided on the frame;

[0006] A loading mechanism, provided on the workbench and used for carrying the joint product to be tested;

[0007] A transport mechanism, disposed on the workbench and docked with the loading mechanism, for clamping the joint product to be tested on the loading mechanism;

[0008] A multi-angle displacement mechanism is provided on the workbench and is used to receive the joint product to be inspected on the transport mechanism. The multi-angle displacement mechanism is capable of generating linear movement in a first direction and a second direction, and generating rotational movement in a third direction, a fourth direction, and a fifth direction, so that the joint product to be inspected can be displaced at multiple angles.

[0009] A detection mechanism is provided on the frame and corresponds to the top of the multi-angle displacement mechanism and is used to cooperate with the multi-angle displacement mechanism to perform appearance defect detection on the joint product to be inspected;

[0010] The unloading mechanism is installed on the workbench to place defective products.

[0011] A further implementation scheme of the present utility model is that the loading mechanism includes a jig plate, a cylinder, a slider and a guide rail, the guide rail is fixed on the workbench, the bottom of the jig plate slides on the guide rail through the slider, the cylinder is fixed on the workbench and its output end is fixedly connected to the bottom of the jig plate, and the joint products to be tested are placed in multiple rows and columns on the jig plate.

[0012] A further implementation scheme of the present invention is that the feeding mechanism is provided in two groups and is adjacently and alignedly arranged on the workbench.

[0013] A further implementation scheme of the present invention is that the transport mechanism is a three-degree-of-freedom manipulator, and the front end of the manipulator is rotatably provided with a first clamp for clamping the joint product to be tested, and the first clamp can synchronously clamp two side-by-side joint products to be tested.

[0014] A further implementation scheme of the present utility model is that the multi-angle displacement mechanism includes a first slide rail, a second slide rail, a slide table, a first support seat, a second support seat and a second clamp, the first slide rail is fixed on the workbench, the second slide rail slides on the first slide rail, the slide table is slidably connected to the second slide rail, the first support seat is rotatably connected to the slide table and rotates along the third direction, the second support seat is rotatably connected to the first support seat and rotates along the fourth direction, and the second clamp is used to position the column joint product to be tested and is rotatably set on the second support seat along the fifth direction.

[0015] A further implementation scheme of the present utility model is that the detection mechanism includes a fixed cover, a curved light source board and a detection camera, the fixed cover is fixedly mounted on the frame, the curved light source board is fixed on the fixed cover, and the detection camera is fixed on the fixed cover and faces the inner side of the light source board for cooperating with the joint product to be inspected placed under the light source board to take photos and detect appearance defects.

[0016] A further implementation scheme of the present invention is that the blanking mechanism is arranged on the workbench and is located outside the multi-angle displacement mechanism, and the blanking mechanism and the loading mechanism are used to place defective product blanks.

[0017] The beneficial effects of the utility model are:

[0018] The loading mechanism provides the joint products to be tested, and the transport mechanism has multiple degrees of freedom. The first clamp on the robot simultaneously clamps two joint products to be tested and transfers them to the second clamp for positioning. The multi-angle displacement mechanism moves in the first direction until the product to be tested is located below the testing mechanism, and through movement in the second direction, rotation in the third direction, fourth direction and fifth direction, all external parts of the joint product can be fully tested, with high detection efficiency and high accuracy. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 The overall structure of the utility model is shown in FIG. Figure 1 ;

[0020] Figure 2 The overall structure of the utility model is shown in FIG. Figure 2 ;

[0021] Figure 3 The overall structure of the utility model is shown in FIG. Figure 3 . DETAILED DESCRIPTION

[0022] The following will be combined with the accompanying drawings in the embodiments of the present application to clearly describe the technical solutions in the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field are within the scope of protection of this application.

[0023] In the description of this application, it should be noted that the terms used herein are only for the purpose of describing specific embodiments and are not intended to limit the exemplary embodiments according to this application. For ease of description, the dimensions of the various parts shown in the drawings are not drawn according to the actual proportional relationship. Technologies, methods and equipment known to ordinary technicians in the relevant fields may not be discussed in detail, but where appropriate, the technologies, methods and equipment should be considered as part of the authorization specification. In all examples shown and discussed here, any specific values should be interpreted as merely exemplary and not as limitations. Therefore, other examples of the exemplary embodiments may have different values. It should be noted that similar numbers and letters represent similar items in the following figures, so once an item is defined in one figure, it does not need to be further discussed in subsequent figures.

[0024] It should be noted that the terms "first," "second," etc. in the specification and claims of this application are used to distinguish similar objects, and are not used to describe a specific order or sequence. It should be understood that the data used in this way are interchangeable where appropriate, so that the embodiments of this application can be implemented in an order other than those illustrated or described herein, and that the objects distinguished by "first," "second," etc. are generally of the same type, and do not limit the number of objects. For example, the first object can be one or more. In addition, "and / or" in the specification and claims represents at least one of the connected objects, and the character " / " generally indicates that the objects associated with each other are in an "or" relationship.

[0025] It should be noted that, in the description of this application, the directions or positional relationships indicated by directional terms such as "front, back, up, down, left, right", "horizontal, vertical, vertical, horizontal" and "top, bottom" are usually based on the directions or positional relationships shown in the accompanying drawings. They are only for the convenience of describing this application and simplifying the description. Unless otherwise specified, these directional terms do not indicate or imply that the device or element referred to must have a specific direction or be constructed and operated in a specific direction. Therefore, they cannot be understood as limiting the scope of protection of this application; the directional terms "inside and outside" refer to the inside and outside relative to the outline of each component itself.

[0026] It should be noted that, in the present application, the terms "comprise", "include" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device comprising a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, an element defined by the statement "comprises a ..." does not exclude the presence of other identical elements in the process, method, article or device comprising the element. In addition, it should be pointed out that the scope of the methods and devices in the embodiments of the present application is not limited to performing functions in the order shown or discussed, and may also include performing functions in a substantially simultaneous manner or in the opposite order according to the functions involved. For example, the described method may be performed in an order different from that described, and various steps may also be added, omitted, or combined. In addition, the features described with reference to certain examples may be combined in other examples.

[0027] The utility model provides a device for detecting appearance defects of joint products, comprising:

[0028] A frame 1 is provided with a workbench 2.

[0029] The loading mechanism 3 is arranged on the workbench 2 for carrying the joint products 4 to be tested. The loading mechanism 3 is provided in two groups and is arranged adjacently and aligned on the workbench 2. The joint products 4 to be tested are manually stacked and placed on the loading mechanism 3.

[0030] The transport mechanism 5 is arranged on the workbench 2 and docked with the loading mechanism 3 , and is used to clamp the joint product 4 to be tested on the loading mechanism 3 .

[0031] The multi-angle displacement mechanism 6 is arranged on the workbench 2 and is used to receive the joint product 4 to be inspected on the conveying mechanism 5. The multi-angle displacement mechanism 6 can generate linear movement in the first direction A and the second direction B, and generate rotational movement in the third direction C, the fourth direction D and the fifth direction E, so that the joint product 4 to be inspected can achieve multi-angle displacement.

[0032] The detection mechanism 7 is arranged on the frame 1 and corresponds to the multi-angle displacement mechanism 6 to cooperate with the multi-angle displacement mechanism 6 to perform appearance defect detection on the joint product 4 to be inspected.

[0033] The unloading mechanism 8 is provided on the workbench 2 for placing defective products. The unloading mechanism 8 is provided on the workbench 2 and is located outside the multi-angle displacement mechanism 6. The unloading mechanism 8 is used to place defective products in the same manner as the loading mechanism 3.

[0034] In this embodiment, in detail, the loading mechanism 3 includes a jig plate 30, a cylinder 31, a slider 32 and a guide rail 33. The guide rail 33 is fixed on the workbench 2. The bottom of the jig plate 30 slides on the guide rail 33 through the slider 32. The cylinder 31 is fixed on the workbench 2 and its output end is fixedly connected to the bottom of the jig plate 30. The joint products 4 to be tested are placed in multiple rows and columns on the jig plate 30, and the jig plate 30 is pushed close to or away from the conveying mechanism 5 by the cylinder 31.

[0035] In this embodiment, the conveying mechanism 5 is a three-degree-of-freedom manipulator 50, and the front end of the manipulator 50 is rotatably provided with a first clamp 51 for clamping the joint product 4 to be tested. The first clamp 51 can synchronously clamp two side-by-side joint products 4 to be tested. The manipulator 50 drives the first clamp 51 to clamp two joint products 4 at the same time and rotate them to place them on the multi-angle displacement mechanism 6. The multi-angle displacement mechanism 6 can only clamp one joint product 4 at a time and transport them in sequence.

[0036] In this embodiment, the multi-angle displacement mechanism 6 includes a first slide rail 60, a second slide rail 61, a slide table 62, a first support seat 63, a second support seat 64 and a second clamp 65. The first slide rail 60 and the second slide rail 61 are screw slider type slide rails, which are existing accessories and will not be described in detail. The first slide rail 60 is fixed on the workbench 2, the second slide rail 61 slides on the first slide rail 60, and the slide table 62 is slidably connected to the second slide rail 61. The first support seat 63 is rotatably connected to the slide table 62 and rotates along the third direction C. The second support seat 64 is rotatably connected to the first support seat 63 and rotates along the fourth direction D. The second clamp 65 is used to position the column to be inspected joint product 4 and is rotatably set on the second support seat 64 along the fifth direction E. After movement and rotation in multiple directions, the appearance part of the joint product 4 can be photographed and detected in all directions.

[0037] In addition, the detection mechanism 7 includes a fixed cover 70, a curved light source board 71 and a detection camera 72. The fixed cover 70 is fixedly mounted on the frame 1, the curved light source board 71 is fixed on the fixed cover 70, and the detection camera 72 is fixed on the fixed cover 70 and faces the inner side of the light source board for cooperating with the joint product 4 to be inspected placed under the light source board to perform photo inspection of appearance defects. The detection camera 72 is a visual inspection camera 72, and its working principle does not need to be elaborated separately. The curved light source board 71 provides lighting, and after all-round rotation of the joint product 4, each part can be detected in place, the detection efficiency and accuracy are high, and the defective products are sorted out to the unloading mechanism 8.

[0038] The embodiments of the present application are described above in conjunction with the accompanying drawings. Unless there is a conflict, the embodiments and features in the embodiments of the present application can be combined with each other. The present application is not limited to the above-mentioned specific implementation methods. The above-mentioned specific implementation methods are merely illustrative and not restrictive. Under the guidance of this application, ordinary technicians in this field can also make many forms without departing from the purpose of this application and the scope of protection of the claims, all of which are within the protection of this application.

Claims

1. A device for detecting appearance defects of joint products, characterized in that: include: A frame, wherein a workbench is provided on the frame; A loading mechanism, provided on the workbench and used for carrying the joint product to be tested; A transport mechanism, disposed on the workbench and docked with the loading mechanism, for clamping the joint product to be tested on the loading mechanism; A multi-angle displacement mechanism is provided on the workbench and is used to receive the joint product to be inspected on the transport mechanism. The multi-angle displacement mechanism is capable of generating linear movement in a first direction and a second direction, and generating rotational movement in a third direction, a fourth direction, and a fifth direction, so that the joint product to be inspected can be displaced at multiple angles. A detection mechanism is provided on the frame and corresponds to the top of the multi-angle displacement mechanism and is used to cooperate with the multi-angle displacement mechanism to perform appearance defect detection on the joint product to be inspected; The unloading mechanism is installed on the workbench to place defective products.

2. The appearance defect detection device for joint products according to claim 1, characterized in that: The loading mechanism includes a jig plate, a cylinder, a slider and a guide rail. The guide rail is fixed on the workbench. The bottom of the jig plate slides on the guide rail through the slider. The cylinder is fixed on the workbench and its output end is fixedly connected to the bottom of the jig plate. The joint products to be tested are placed in multiple rows and columns on the jig plate.

3. The appearance defect detection device for joint products according to claim 1, characterized in that: The feeding mechanism is provided with two groups, and is adjacently aligned and arranged on the workbench.

4. The appearance defect detection device for joint products according to claim 1, characterized in that: The transport mechanism is a three-degree-of-freedom manipulator, and the front end of the manipulator is rotatably provided with a first clamp for clamping the joint product to be tested. The first clamp can synchronously clamp two side-by-side joint products to be tested.

5. The appearance defect detection device for joint products according to claim 1, characterized in that: The multi-angle displacement mechanism includes a first slide rail, a second slide rail, a slide table, a first support seat, a second support seat and a second clamp. The first slide rail is fixed on the workbench, the second slide rail slides on the first slide rail, the slide table is slidably connected to the second slide rail, the first support seat is rotatably connected to the slide table and rotates along the third direction, the second support seat is rotatably connected to the first support seat and rotates along the fourth direction, and the second clamp is used to position the column joint product to be tested and is rotatably set on the second support seat along the fifth direction.

6. The appearance defect detection device for joint products according to claim 5, characterized in that: The detection mechanism includes a fixed cover, a curved light source board and a detection camera. The fixed cover is fixedly installed on the frame, the curved light source board is fixed on the fixed cover, and the detection camera is fixed on the fixed cover and faces the inner side of the light source board for cooperating with the joint product to be inspected placed under the light source board to take photos and detect appearance defects.

7. The appearance defect detection device for joint products according to claim 1, characterized in that: The unloading mechanism is arranged on the workbench and is located outside the multi-angle displacement mechanism. The unloading mechanism is used to place defective products unloaded in the same manner as the loading mechanism.

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