Visual inspection equipment for appearance of injection molded part

Abstract

The utility model discloses an injection molding part appearance visual inspection device, which comprises a support frame and a conveyer belt, the inside of the support frame is provided with the conveyer belt, the top end of the support frame is provided with two groups of first electric push rods, the output end of each first electric push rod is provided with a first push arm, a T-shaped frame is arranged above the conveyer belt, and the T-shaped frame is provided with a second push arm. A T-shaped frame is arranged on the upper portion of the first push arm and connected with the first push arm, a walking frame is arranged below the T-shaped frame, a walking motor is installed on the side wall of the walking frame, a transmission wheel is installed at the output end of the walking motor and movably connected with the walking frame, the surface of the transmission wheel is sleeved with a walking wheel, and the walking wheel is slidably connected with the T-shaped frame. According to the utility model, the injection molding part can be conveniently and movably detected, the injection molding part can be conveniently and circumferentially and rotationally detected, the side surface of the injection molding part can be conveniently and rotationally detected, the detection range is increased, and the detection flexibility and convenience are improved.

Description

Technical Field

[0001] The utility model relates to the technical field of detection equipment, in particular to an appearance visual detection device for injection molded parts. Background Technique

[0002] The main raw materials of injection molded parts include plastic materials such as polyethylene and polypropylene. These materials are heated and melted during the injection molding process and injected into a pre-made mold. After cooling and solidifying in the mold, they form a specific shape and structure. Injection molded parts can include various packaging materials, parts, etc., and have specific physical properties, chemical properties, and mechanical properties. After the injection molding process of injection molded parts is completed, it is necessary to detect their appearance. The traditional detection method is mostly manual viewing, and its efficiency is low. In order to improve this situation, an appearance visual detection device for injection molded parts is proposed.

[0003] As disclosed in an appearance visual detection device for injection molded parts with the authorization announcement number CN220305148U, it includes a main body, which is the main bearing part of this device, an infrared counter installed on the top of the U-shaped plate, a transmitting head installed on the left end of the top of the main body, and a receiving head installed on the right end of the top of the main body;

[0004] Although it realizes that the utility model overcomes the deficiencies of the prior art. By setting an infrared counter, a transmitting head, and a receiving head, as the conveyor belt rolls, the injection molded parts are moved to a suitable position, and their appearance is visually detected by a detection mechanism. Subsequently, the injection molded parts after detection enter the receiving box for centralized collection. If there is an object passing through the middle of the transmitting head and the receiving head, it will block the light, and a pulse signal will be output to trigger a counting circuit, so that the infrared counter can record, which is convenient for counting the injection molded parts after detection. Moreover, this process is automatic counting, saving labor costs;

[0005] However, it does not solve the problems that the existing detection equipment is not conducive to the convenient mobile detection of injection molded parts and the convenient circumferential rotation detection of injection molded parts, is not conducive to the rotational detection of the side surfaces of injection molded parts, affects the detection range, and affects the flexibility and convenience of detection. Content of the Utility Model

[0006] The purpose of the utility model is to provide an appearance visual detection device for injection molded parts to solve the problems proposed in the above background technique that the detection equipment is not convenient for the convenient mobile detection of injection molded parts and the convenient circumferential rotation detection of injection molded parts, is not conducive to the rotational detection of the side surfaces of injection molded parts, affects the detection range, and affects the flexibility and convenience of detection.

[0007] To achieve the above object, the present utility model provides the following technical solutions: An appearance visual inspection device for injection molded parts, comprising a support frame and a conveyor belt. The conveyor belt is installed inside the support frame, and two groups of first electric push rods are installed at the top of the support frame. The output ends of the first electric push rods are all installed with first push arms. A T-shaped frame is arranged above the conveyor belt, and the T-shaped frame is connected to the first push arms. A walking frame is arranged below the T-shaped frame. A walking motor is installed on the side wall of the walking frame. The output end of the walking motor is installed with a transmission wheel, and the transmission wheel is movably connected to the walking frame. A walking wheel is sleeved on the surface of the transmission wheel, and the walking wheel is slidably connected to the T-shaped frame. An auxiliary wheel is movably installed on one side of the T-shaped frame away from the walking wheel, and the auxiliary wheel is slidably connected to the T-shaped frame. A rotating box is installed at the bottom end of the walking frame, and a support plate is installed inside the rotating box.

[0008] Preferably, a movable shaft is movably installed at the central position of the support plate, and the movable shaft extends to the outside of the rotating box.

[0009] Preferably, a gear is sleeved on the surface of the movable shaft. A second electric push rod is installed at the top end of the support plate on one side of the gear. The output end of the second electric push rod is installed with a second push arm.

[0010] Preferably, a right rack is installed on the side wall of the second push arm, and the right rack meshes with the gear, and the right rack is slidably connected to the support plate.

[0011] Preferably, a limit slider is slidably installed at the top end of the second electric push rod on the other side of the gear. A left rack is installed on the side wall of the limit slider, and the left rack meshes with the gear.

[0012] Preferably, a connecting frame is installed at the bottom end of the movable shaft. Rotating frames are installed at both ends of the connecting frame. Hinge shafts are installed at the ends of the rotating frames close to the connecting frame, and the rotating frames are movably connected to the connecting frame through the hinge shafts.

[0013] Preferably, third electric push rods are movably installed at the bottom ends of the connecting frames. The output ends of the third electric push rods are all installed with third push arms.

[0014] Preferably, pins are installed at the ends of the third push arms away from the third electric push rods, and the third push arms are movably connected to the rotating frames through the pins. A plurality of groups of visual cameras are installed at equal intervals at the bottom ends of the rotating frames.

[0015] Compared with the prior art, the beneficial effects of the present utility model are: This inspection device not only realizes convenient mobile inspection of injection molded parts and convenient circumferential rotation inspection of injection molded parts, facilitates rotational inspection of the side surfaces of injection molded parts and increases the inspection range, but also improves the flexibility and convenience of inspection;

[0016] (1) The injection molded parts are driven to move successively by the conveyor belt. When the injection molded part moves below the T-shaped frame, the walking motor drives the driving wheel to rotate, the driving wheel drives the walking wheel to rotate, the walking wheel drives the walking frame to move on the T-shaped frame, and the walking frame drives the rotating box, the movable shaft, the connecting frame, the rotating frame and the vision camera to move, so that the vision camera moves to directly above the injection molded part. The vision camera is used to detect directly above the injection molded part. After the upper part is detected, the walking motor is turned off to reset the vision camera. The first electric push rod drives the first push arm to move downward, the first push arm drives the T-shaped frame to move downward, and the T-shaped frame drives the rotating frame and the vision camera to move downward. When moving close to the workpiece, the third electric push rod drives the third push arm to move, and the connecting frame drives the rotating frame to rotate around the hinge shaft through the pin shaft, and the rotating frame drives the vision camera to rotate, so that the vision camera rotates to the side of the injection molded part to perform visual inspection on the side of the injection molded part, realizing convenient mobile detection of the injection molded part, facilitating rotational detection of the side of the injection molded part, and improving the flexibility of detection;

[0017] (2) The second electric push rod drives the second push arm to move, the second push arm drives the right rack to move, the right rack drives the gear to rotate, the gear drives the movable shaft to rotate, and at the same time the gear drives the left rack to move. The limit slider provides limit sliding support for the left rack and provides limit support for the gear. The movable shaft drives the connecting frame to rotate, and the connecting frame drives the rotating frame and the vision camera to rotate to rotate to the other two sides for visual inspection, realizing convenient circumferential rotation detection of the injection molded part, increasing the detection range, and improving the convenience of detection. Description of the Drawings

[0018] Figure 1 is the three-dimensional structure diagram of the present utility model;

[0019] Figure 2 is the three-dimensional structure diagram of the support plate of the present utility model;

[0020] Figure 3 is the side view sectional structure diagram of the rotating box of the present utility model;

[0021] Figure 4 is the front view sectional structure diagram of the T-shaped frame of the present utility model;

[0022] Figure 5 is the side view structure diagram of the T-shaped frame of the present utility model.

[0023] In the figure: 1, support frame; 2, conveyor belt; 3, T-shaped frame; 4, first electric push rod; 5, traveling motor; 6, traveling wheel; 7, driving wheel; 8, traveling frame; 9, rotating box; 10, support plate; 11, second electric push rod; 12, movable shaft; 13, connecting frame; 14, hinge shaft; 15, rotating frame; 16, third electric push rod; 17, third push arm; 18, vision camera; 19, gear; 20, second push arm; 21, right rack; 22, left rack; 23, limit slider; 24, first push arm; 25, pin shaft; 26, auxiliary wheel. Specific embodiments

[0024] To further elaborate on the technical means and effects adopted by the present invention to achieve the predetermined utility model purpose, the following combines the accompanying drawings and preferred embodiments to detail the specific implementation manners, structures, features and their effects of the present invention as follows.

[0025] Please refer to Figures 1-5 , an embodiment provided by the present invention: an appearance vision inspection device for injection molded parts, including a support frame 1 and a conveyor belt 2. The conveyor belt 2 is installed inside the support frame 1, and two groups of first electric push rods 4 are installed at the top of the support frame 1. The first electric push rods 4 play a role in power driving. The output ends of the first electric push rods 4 are all installed with first push arms 24. Above the conveyor belt 2 is provided a T-shaped frame 3, and the T-shaped frame 3 is connected to the first push arm 24. Below the T-shaped frame 3 is provided a traveling frame 8. A traveling motor 5 is installed on the side wall of the traveling frame 8. The traveling motor 5 plays a role in power driving. The output end of the traveling motor 5 is installed with a driving wheel 7, and the driving wheel 7 is movably connected to the traveling frame 8. A traveling wheel 6 is sleeved on the surface of the driving wheel 7, and the traveling wheel 6 is slidably connected to the T-shaped frame 3. An auxiliary wheel 26 is movably installed on one side of the T-shaped frame 3 away from the traveling wheel 6, and the auxiliary wheel 26 is slidably connected to the T-shaped frame 3. The bottom end of the traveling frame 8 is installed with a rotating box 9, and a support plate 10 is installed inside the rotating box 9;

[0026] First, connect the device to an external controller and external circuit. Place the injection molded parts to be detected on the conveyor belt 2 in sequence. Turn on the conveyor belt 2 through external control. The conveyor belt 2 drives the injection molded parts to move in sequence. When the injection molded part moves below the T-shaped frame 3, turn on the walking motor 5 through external control. The walking motor 5 drives the driving wheel 7 to rotate, and the driving wheel 7 drives the walking wheel 6 to rotate. With the auxiliary sliding cooperation of the auxiliary wheel 26, the walking wheel 6 drives the walking frame 8 to move on the T-shaped frame 3. The walking frame 8 drives the rotating box 9, the movable shaft 12, the connecting frame 13, the rotating frame 15, and the vision camera 18 to move, so that the vision camera 18 moves to directly above the injection molded part. The vision camera 18 detects directly above the injection molded part. After the upper part is detected, turn off the walking motor 5 to reset the vision camera 18. Turn on the first electric push rod 4 through external control. The first electric push rod 4 drives the first push arm 24 to move downward. The first push arm 24 drives the T-shaped frame 3 to move downward. The T-shaped frame 3 drives the rotating frame 15 and the vision camera 18 to move downward. When moving close to the workpiece, turn on the third electric push rod 16 through external control. The third electric push rod 16 drives the third push arm 17 to move. Supported by the connecting frame 13, the connecting frame 13 drives the rotating frame 15 to rotate around the hinge shaft 14 through the pin shaft 25. The rotating frame 15 drives the vision camera 18 to rotate, so that the vision camera 18 rotates to the side of the injection molded part to perform visual inspection on the side of the injection molded part, realizing convenient mobile detection of injection molded parts, facilitating rotational detection of the side of injection molded parts, and improving the flexibility of detection;

[0027] A movable shaft 12 is movably installed at the central position of the support plate 10, and the movable shaft 12 extends to the outside of the rotating box 9;

[0028] A gear 19 is sleeved on the surface of the movable shaft 12. A second electric push rod 11 is installed at the top end of the support plate 10 on one side of the gear 19. The second electric push rod 11 plays a role of power drive. The output end of the second electric push rod 11 is installed with a second push arm 20. A right rack 21 is installed on the side wall of the second push arm 20, and the right rack 21 meshes with the gear 19. The right rack 21 is slidably connected to the support plate 10. A limit slider 23 is slidably installed at the top end of the second electric push rod 11 on the other side of the gear 19. A left rack 22 is installed on the side wall of the limit slider 23, and the left rack 22 meshes with the gear 19;

[0029] The bottom end of the movable shaft 12 is installed with a connecting frame 13. Both ends of the connecting frame 13 are installed with rotating frames 15. Hinge shafts 14 are installed at the ends of the rotating frames 15 close to the connecting frame 13, and the rotating frames 15 are movably connected to the connecting frame 13 through the hinge shafts 14;

[0030] At the bottom ends of the connecting frames 13, third electric push rods 16 are movably installed. The third electric push rods 16 play a role in power driving. At the output ends of the third electric push rods 16, third push arms 17 are installed. At the ends of the third push arms 17 far from the third electric push rods 16, pin shafts 25 are installed. And the third push arms 17 are movably connected to the rotating frames 15 through the pin shafts 25. At the bottom ends of the rotating frames 15, multiple groups of vision cameras 18 are installed at equal intervals.

[0031] When it is necessary to detect other sides, the second electric push rod 11 is turned on through external control. The second push rod 11 drives the second push arm 20 to move. The second push arm 20 drives the right rack 21 to move. Under the mutual meshing of the right rack 21 and the gear 19, the right rack 21 drives the gear 19 to rotate. The gear 19 drives the movable shaft 12 to rotate. At the same time, the gear 19 drives the left rack 22 to move. The limit slider 23 provides limit sliding support for the left rack 22 and provides limit support for the gear 19 at the same time. The movable shaft 12 drives the connecting frame 13 to rotate. The connecting frame 13 drives the rotating frame 15 and the vision camera 18 to rotate to rotate to the other two sides for vision detection, realizing convenient circumferential rotation detection of injection molded parts, increasing the detection range, and improving the convenience of detection.

[0032] Working principle: First, the conveyor belt 2 drives the injection molded parts to move in sequence. When the injection molded part moves below the T-shaped frame 3, the walking motor 5 drives the driving wheel 7 to rotate, the driving wheel 7 drives the walking wheel 6 to rotate, the walking wheel 6 drives the walking frame 8 to move on the T-shaped frame 3, the walking frame 8 drives the rotating box 9, the movable shaft 12, the connecting frame 13, the rotating frame 15 and the vision camera 18 to move, so that the vision camera 18 moves to directly above the injection molded part. The vision camera 18 detects directly above the injection molded part. After the upper part is detected, the walking motor 5 is turned off to reset the vision camera 18. The first electric push rod 4 drives the first push arm 24 to move downward, the first push arm 24 drives the T-shaped frame 3 to move downward, the T-shaped frame 3 drives the rotating frame 15 and the vision camera 18 to move downward. When moving close to the workpiece, the third electric push rod 16 drives the third push arm 17 to move, and the connecting frame 13 drives the rotating frame 15 to rotate around the hinge shaft 14 through the pin shaft 25. The rotating frame 15 drives the vision camera 18 to rotate, so that the vision camera 18 rotates to the side of the injection molded part to perform visual inspection on the side of the injection molded part. When it is necessary to detect other sides, the second electric push rod 11 drives the second push arm 20 to move, the second push arm 20 drives the right rack 21 to move, the right rack 21 drives the gear 19 to rotate, the gear 19 drives the movable shaft 12 to rotate. At the same time, the gear 19 drives the left rack 22 to move. The limit slider 23 provides limit sliding support for the left rack 22 and provides limit support for the gear 19. The movable shaft 12 drives the connecting frame 13 to rotate, and the connecting frame 13 drives the rotating frame 15 and the vision camera 18 to rotate, so as to rotate to the other two sides for visual inspection, thus completing the use of the visual inspection equipment for the appearance of the injection molded part.

[0033] The above is only a preferred embodiment of the present invention, and it does not impose any form of limitation on the present invention. Although the present invention has been disclosed above with a preferred embodiment, it is not intended to limit the present invention. Any person skilled in the art can make some changes or modifications to equivalent embodiments by using the disclosed technical content within the scope of the technical solution of the present invention. However, as long as it does not depart from the content of the technical solution of the present invention, any brief modification, equivalent change and modification made to the above embodiments according to the technical essence of the present invention still fall within the scope of the technical solution of the present invention.

Claims

1. An appearance visual inspection device for injection molded parts, comprising a support frame (1) and a conveyor belt (2), characterized in that: Inside the support frame (1), a conveyor belt (2) is installed. At the top of the support frame (1), two groups of first electric push rods (4) are installed. At the output ends of the first electric push rods (4), first push arms (24) are installed. Above the conveyor belt (2), a T-shaped frame (3) is arranged, and the T-shaped frame (3) is connected to the first push arm (24). Below the T-shaped frame (3), a walking frame (8) is arranged. On the side wall of the walking frame (8), a walking motor (5) is installed. At the output end of the walking motor (5), a transmission wheel (7) is installed, and the transmission wheel (7) is movably connected to the walking frame (8). On the surface of the transmission wheel (7), a walking wheel (6) is sleeved, and the walking wheel (6) is slidably connected to the T-shaped frame (3). On one side of the T-shaped frame (3) away from the walking wheel (6), an auxiliary wheel (26) is movably installed, and the auxiliary wheel (26) is slidably connected to the T-shaped frame (3). At the bottom end of the walking frame (8), a rotating box (9) is installed. Inside the rotating box (9), a support plate (10) is installed.

2. The appearance visual inspection device for injection molded parts according to claim 1, characterized in that: At the central position of the support plate (10), a movable shaft (12) is movably installed, and the movable shaft (12) extends to the outside of the rotating box (9).

3. The appearance vision inspection device for injection molded parts according to claim 2, characterized in that: On the surface of the movable shaft (12), a gear (19) is sleeved. At the top of the support plate (10) on one side of the gear (19), a second electric push rod (11) is installed. At the output end of the second electric push rod (11), a second push arm (20) is installed.

4. An appearance visual inspection device for injection molded parts according to claim 3, characterized in that: On the side wall of the second push arm (20), a right rack (21) is installed, and the right rack (21) meshes with the gear (19), and the right rack (21) is slidably connected to the support plate (10).

5. An appearance visual inspection device for injection molded parts according to claim 3, characterized in that: On the top of the second electric push rod (11) on the other side of the gear (19), a limit slider (23) is slidably installed. On the side wall of the limit slider (23), a left rack (22) is installed, and the left rack (22) meshes with the gear (19).

6. The appearance vision inspection device for injection molded parts according to claim 2, wherein: At the bottom end of the movable shaft (12), a connecting frame (13) is installed. At both ends of the connecting frame (13), rotating frames (15) are installed. At one end of the rotating frame (15) close to the connecting frame (13), hinge shafts (14) are installed, and the rotating frame (15) is movably connected to the connecting frame (13) through the hinge shafts (14).

7. An appearance visual inspection device for injection molded parts according to claim 6, characterized in that: At the bottom ends of the connecting frame (13), third electric push rods (16) are movably installed. At the output ends of the third electric push rods (16), third push arms (17) are installed.

8. An appearance visual inspection device for injection molded parts according to claim 7, characterized in that: At the ends of the third push arms (17) away from the third electric push rods (16), pin shafts (25) are installed, and the third push arms (17) are movably connected to the rotating frames (15) through the pin shafts (25). At the bottom ends of the rotating frames (15), multiple groups of vision cameras (18) are installed at equal intervals.

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