Hard plastic part shortage detection equipment
By designing the lower surface and upper surface detection device, combining visual inspection and probe inspection, the problem of material defect detection of reinforcement ribs in the groove of the hard plastic parts is solved, and comprehensive inspection of the hard plastic parts is achieved.
Patent Information
- Application Number
- CN202422016787.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-20
- Publication Date
- 2025-08-15
- Estimated Expiration
- 2034-08-20
AI Technical Summary
Existing hardware visual inspection equipment is difficult to effectively detect whether there is material shortage of reinforcement ribs in deep grooves.
A hardware-plastic material defect detection device is designed, including a lower surface detection device and an upper surface detection device. The lower surface detection device detects the lower surface of the hard plastic through a transparent part and a visual detection part. The upper surface detection device detects the upper surface of the hard plastic through a movable detection part and a probe, and realizes comprehensive inspection in combination with the conveying component.
The comprehensive inspection of hardware components is achieved, and the visual inspection mechanism is unable to observe the material shortage of reinforcement ribs in the groove is improved, which is comprehensive and accurate in the detection.
Smart Images

Figure CN223229498U_ABST
Abstract
Description
Technical Field
[0001] The invention relates to the technical field of plastic parts detection, and in particular to a hard plastic parts material shortage detection device. Background Art
[0002] Hard plastics refer to plastic materials with high hardness, high strength, high brittleness, and resistance to deformation, such as polystyrene (PS) and polycarbonate (PC). Hard plastics are mainly used to manufacture products that require high reliability, load-bearing capacity, and wear resistance, such as electronic, automotive, and mechanical parts.
[0003] After hard plastic parts are molded, they are usually inspected for quality. According to Chinese patent CN213612733U, a visual inspection device for injection molded parts is disclosed. The device includes a frame and a product visual inspection mechanism, a feed conveyor belt, an inspection conveyor belt, and a feed visual inspection mechanism, all of which are arranged on the frame. The feed conveyor belt can transport the injection molded parts along the X-axis direction to the inspection conveyor belt, and the inspection conveyor belt can transport the injection molded parts along the Y-axis direction to the visual inspection station. The product visual inspection mechanism takes comprehensive photographs of the products to ensure product quality. However, some hard plastic parts have deep grooves filled with reinforcing ribs. The visual inspection mechanism cannot observe and detect the reinforcing ribs in the grooves well, which can easily cause material shortages to be undetectable.
[0004] Therefore, it is necessary to develop a hard plastic parts shortage detection device to solve the above problems. Utility Model Content
[0005] The purpose of the utility model is to provide a comprehensive hard plastic parts material shortage detection device.
[0006] To achieve the above objectives, the present invention provides the following technical solutions: a hard plastic part material shortage detection device, comprising:
[0007] A lower surface detection device includes a transparent portion for supporting a hard plastic part, a visual detection component for detecting the lower surface of the hard plastic part is provided below the transparent portion, and a handling component for moving the hard plastic part is provided above the transparent portion;
[0008] The upper surface detection device includes a movable detection member, wherein the detection member has a groove formed inwardly from the surface thereof, and a movable probe is provided in the groove, wherein the probe can extend into the hard plastic part and contact the upper surface of the hard plastic part;
[0009] The conveying assembly is arranged below the upper surface detection device and is used for conveying hard plastic parts.
[0010] Furthermore, the transport assembly includes a moving frame, a first driving component installed on the moving frame, and a plurality of clamping parts pushed by the first driving component, wherein the clamping parts are used to move the hard plastic parts.
[0011] Furthermore, a track is provided at the bottom of the movable frame, and a transport drive motor and a screw rod are installed on one side of the track. The movable frame is sleeved with the screw rod, and the transport drive motor drives the movable frame to move through the screw rod.
[0012] Furthermore, the first driving component is installed on the top of the movable frame, which includes a transport cylinder, a transmission rod connected to the transport cylinder, and a mounting plate provided at the end of the transmission rod. The transport cylinder drives the mounting plate to move vertically through the transmission rod, and the clamping part is installed on the mounting plate.
[0013] Furthermore, the clamping part includes a connecting rod and a fixed block installed at the end of the connecting rod and a pair of clamping arms provided on the fixed block. The pair of clamping arms are installed on the lower surface of the fixed block and can move relative to or oppositely to clamp or release the hard plastic part.
[0014] Furthermore, the plurality of clamping portions are arranged at the same height.
[0015] Furthermore, a discharge port is provided between the lower surface detection device and the upper surface detection device, and the discharge port is used to remove unqualified products.
[0016] Furthermore, a blanking assembly is provided on one side of the upper surface detection device, and the blanking assembly includes a supporting part and a transferring part installed on the supporting part, and the transferring part transfers unqualified products out of the equipment.
[0017] Furthermore, the transfer portion includes a transfer motor, a transfer rod connected to the transfer motor, and a moving block sleeved on the transfer rod, and a vertically movable clamping member is mounted on the moving block.
[0018] Compared with the prior art, the beneficial effects of the present invention are: the present invention is a hard plastic part shortage detection device with the characteristics of comprehensive detection. The hard plastic part is moved to the transparent part through the handling component, and the visual detection part takes a photo of the lower surface of the hard plastic part for detection. The detection part moves, the hard plastic part enters the groove, and the probe contacts the surface of the hard plastic part to detect the upper surface of the hard plastic part, avoiding the visual detection mechanism from not being able to observe and detect well, and realizing comprehensive detection. BRIEF DESCRIPTION OF THE DRAWINGS
[0019] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following briefly introduces the drawings required for describing the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative work. Among them:
[0020] Figure 1This is a three-dimensional structural diagram of a hard plastic part shortage detection device according to the present invention;
[0021] Figure 2 for Figure 1 The schematic diagram of the structure of the lower surface detection device of the hard plastic part shortage detection equipment shown;
[0022] Figure 3 for Figure 2 The schematic diagram of the partial structure of the lower surface detection device of the hard plastic part shortage detection equipment shown;
[0023] Figure 4 for Figure 1 The schematic diagram of the structure of the upper surface detection device of the hard plastic part shortage detection equipment shown;
[0024] Figure 5 for Figure 4 The schematic diagram of the structure of the detection part of the upper surface detection device of the hard plastic part shortage detection equipment shown;
[0025] Figure 6 for Figure 1 The figure shows a schematic diagram of the blanking component structure of the hard plastic parts shortage detection equipment.
[0026] In the figure: 1, frame; 2, lower surface detection device; 3, upper surface detection device; 4, conveying assembly; 5, blanking assembly; 21, first bracket; 22, transparent part; 23, visual detection member; 24, handling assembly; 211, empty slot; 241, moving frame; 242, first driving component; 243, clamping part; 245, track; 246, driving motor; 247, screw rod; 248, handling cylinder; 249, transmission rod; 2410, mounting plate; 2411, guide rod; 2412, Connecting rod; 2413, fixed block; 2414, clamping arm; 25, discharge port; 31, second bracket; 32, detection drive unit; 33, detection piece; 331, detection body; 332, groove; 333, probe; 41, platform; 42, conveying unit; 421, transmission active shaft; 422, transmission passive shaft; 423, conveyor belt; 424, transmission motor; 51, supporting unit; 52, transfer unit; 521, transfer motor; 522, transfer rod; 523, moving block; 524, clamping piece. DETAILED DESCRIPTION
[0027] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.
[0028] Please see Figures 1 to 6 The utility model is a hard plastic part shortage detection device, which includes a frame 1, a lower surface detection device 2 and an upper surface detection device 3 installed on the frame 1, and a conveying component 4 and a blanking component 5 for conveying hard plastic parts.
[0029] Please see Figure 1 The frame 1 is in a horizontal state, and is used to support the lower surface detection device 2 and the upper surface detection device 3 as well as the conveying component 4 and the blanking component 5 for conveying hard plastic parts.
[0030] Please see Figures 1 to 3 The lower surface detection device 2 includes a first bracket 21, a transparent part 22 installed on the first bracket 21, a visual detection component 23 located below the transparent part 22, and a conveying assembly 24 located above the transparent part 22. The bottom of the first bracket 21 is fixedly connected to the frame 1, and its top extends upward. The top of the first bracket 21 is recessed inward from the upper surface to form an empty groove 211. The two ends of the transparent part 22 are fixedly connected to the top of the two ends of the first bracket 21. The material of the transparent part 22 can be selected according to needs, such as glass, transparent plastic, etc. The visual detection component 23 is installed in the empty groove 211, and it is arranged vertically upward so that it can be photographed through the transparent part 22.
[0031] The transport assembly 24 includes a mobile frame 241, a first driving component 242 installed on the mobile frame 241, and a plurality of clamping parts 243 pushed by the first driving component 242. A track 245 is provided at the bottom of the mobile frame 241, and a transport drive motor 246 and a screw rod 247 are installed on one side of the track 245. One end of the screw rod 247 is connected to the drive motor 246, and the other end extends into the track 245. The mobile frame 241 is sleeved with the screw rod 247, and the transport drive motor 246 drives the mobile frame 241 to move through the screw rod 247.
[0032] The first driving component 242 is installed on the top of the movable frame 241, which includes a transport cylinder 248, a transmission rod 249 connected to the transport cylinder 248, and a mounting plate 2410 provided at the end of the transmission rod 249. The transport cylinder 248 drives the mounting plate 2410 to move vertically through the transmission rod 249. Preferably, guide rods 2411 are provided on both sides of the mounting plate 2410, and the guide rods 2411 are used to ensure the vertical movement of the mounting plate 2410.
[0033] The number of the clamping parts 243 can be changed according to the needs, and the multiple clamping parts 243 are arranged at the same height. The clamping part 243 includes a connecting rod 2412 and a fixed block 2413 installed at the end of the connecting rod 2412 and a pair of clamping arms 2414 provided on the fixed block 2413. The top of the connecting rod 2412 is fixedly connected to the mounting plate 2410, and the bottom thereof extends vertically downward and is fixedly connected to the fixed block 2413. The length of the connecting rod 2412 can be changed according to the needs. The pair of clamping arms 2414 are installed on the lower surface of the fixed block 2413 and can move relative or oppositely to clamp or release the hard plastic parts.
[0034] A discharge port 25 is provided between the lower surface detection device 2 and the upper surface detection device 3 , and the discharge port 25 is used to remove unqualified products.
[0035] Please see Figures 4 and 5 The upper surface detection device 3 includes a second bracket 31, an upper surface detection driving part 32 installed on the second bracket 31, and a detection member 33 pushed by the upper surface detection driving part 32. The bottom of the second bracket 31 is fixedly connected to the frame 1, and its top extends upward. The upper surface detection driving part 32 is a certain cylinder. The other structures are the same as those of the lower surface detection device 2, and it drives the detection member 33 to move vertically.
[0036] The detection part 33 includes a detection body 331 and a groove 332 formed by an inward depression from the surface of the detection body 331. The shape of the groove 332 changes according to needs, and it corresponds to a plurality of clamping parts 243 one by one. A movable probe 333 is provided in the groove 332, and the end of the probe 333 extends into the groove 332. The number and position of the probe 333 are changed according to needs. When the hard plastic part enters the groove 332, the probe 333 contacts the surface of the hard plastic part. If there is a shortage of material, the probe 333 cannot contact the surface of the hard plastic part, and the device prompts that the hard plastic part is unqualified.
[0037] The conveying assembly 4 is installed below the upper surface detection device 3, and includes a platform 41 and a conveying part 42 installed on the platform 41. The platform 41 is used to support the conveying part 42 to keep it in a horizontal state. The conveying part 42 includes a conveying active shaft 421, a conveying passive shaft 422 and a conveyor belt 423 surrounding the conveying active shaft 421 and the conveying passive shaft 422. The conveying active shaft 421 and the conveying passive shaft 422 are both fixed on the platform 41 and are on the same horizontal line. The conveying part 42 has a conveying motor 424, which drives the conveying active shaft 421 to rotate, and the conveying active shaft 421 drives the conveying passive shaft 422 to rotate synchronously.
[0038] Please see Figure 1 and Figure 6The blanking assembly 5 includes a support part 51 and a transfer part 52 installed on the support part 51. The bottom of the support part 51 is fixedly connected to the frame 1, and its top extends upward. The transfer part 52 includes a transfer motor 521, a transfer rod 522 connected to the transfer motor 521, and a moving block 523 sleeved on the transfer rod 522. The transfer motor 521 drives the moving block 523 to move through the transfer rod 522. A vertically movable clamping member 524 is installed on the moving block 523, and the clamping member 524 is used to clamp defective products.
[0039] When the present invention is a hard plastic part shortage detection device in use, the transport drive motor 246 drives the mobile frame 241 to move through the screw rod 247, the first drive component 242 pushes the plurality of clamping parts 243 to a predetermined position, clamps the hard plastic part through a pair of clamping arms 2414, and moves it to the transparent part 22, the visual inspection part 23 takes a picture of the lower surface of the hard plastic part, and unqualified hard plastic parts are removed from the discharge port 25, and then the hard plastic parts with qualified lower surfaces are moved to the conveying component 4, the inspection part 33 pushed by the inspection drive part 32 moves, the hard plastic part enters the groove 332, and the probe 333 contacts the surface of the hard plastic part. If there is a shortage of material, the probe 333 cannot contact the surface of the hard plastic part, and the device prompts that the hard plastic part is unqualified, and the unloading component 5 clamps the unqualified product through the clamping part 524.
[0040] The utility model is a device for detecting material shortage of hard plastic parts, which has the characteristics of comprehensive detection. The hard plastic part is moved to the transparent part by a transport component, and the visual detection part takes a photo of the lower surface of the hard plastic part for detection. When the detection part moves, the hard plastic part enters the groove, and the probe contacts the surface of the hard plastic part to detect the upper surface of the hard plastic part, thereby avoiding the visual detection mechanism from failing to observe and detect well, and realizing comprehensive detection.
[0041] The above is only a preferred specific implementation method of the present invention, but the protection scope of the present invention is not limited to this. Any technician familiar with the technical field within the technical scope disclosed by the present invention can make equivalent replacements or changes based on the technical solution and utility model concept of the present invention, which should be covered by the protection scope of the present invention.
Claims
1. A hard plastic parts shortage detection device, characterized in that: It includes: A lower surface detection device (2) comprises a transparent portion (22) for carrying a hard plastic part, a visual detection component (23) for detecting the lower surface of the hard plastic part is provided below the transparent portion (22), and a transport component (24) for moving the hard plastic part is provided above the transparent portion (22); The upper surface detection device (3) includes a movable detection member (33), wherein the detection member (33) has a groove (332) formed inwardly from the surface thereof, and a movable probe (333) is provided in the groove (332), and the probe (333) can extend into the hard plastic part and contact the upper surface of the hard plastic part; A conveying assembly (4) is provided below the upper surface detection device (3) and is used for conveying hard plastic parts.
2. The hard plastic parts shortage detection device according to claim 1, characterized in that: The transport assembly (24) includes a moving frame (241), a first driving component (242) installed on the moving frame (241), and a plurality of clamping parts (243) driven by the first driving component (242), wherein the clamping parts (243) are used to move hard plastic parts.
3. The hard plastic parts shortage detection device according to claim 2, characterized in that: The bottom of the movable frame (241) is provided with a track (245), a transport drive motor (246) and a screw rod (247) are installed on one side of the track (245), the movable frame (241) is sleeved with the screw rod (247), and the transport drive motor (246) drives the movable frame (241) to move through the screw rod (247).
4. The hard plastic parts shortage detection device according to claim 2, characterized in that: The first driving component (242) is installed on the top of the movable frame (241), and includes a transport cylinder (248), a transmission rod (249) connected to the transport cylinder (248), and a mounting plate (2410) provided at the end of the transmission rod (249). The transport cylinder (248) drives the mounting plate (2410) to move vertically through the transmission rod (249), and the clamping portion (243) is installed on the mounting plate (2410).
5. The hard plastic parts shortage detection device according to claim 2, characterized in that: The clamping portion (243) includes a connecting rod (2412), a fixed block (2413) installed at the end of the connecting rod (2412), and a pair of clamping arms (2414) provided on the fixed block (2413). The pair of clamping arms (2414) are installed on the lower surface of the fixed block (2413) and can move relative to or oppositely to clamp or release the hard plastic part.
6. The hard plastic parts shortage detection device according to claim 5, characterized in that: The plurality of clamping parts (243) are arranged at the same height.
7. The hard plastic parts shortage detection device according to claim 1, characterized in that: A discharge port (25) is provided between the lower surface detection device (2) and the upper surface detection device (3), and the discharge port (25) is used to remove unqualified products.
8. The hard plastic parts shortage detection device according to claim 1, characterized in that: A blanking assembly (5) is provided on one side of the upper surface detection device (3). The blanking assembly (5) comprises a support portion (51) and a transfer portion (52) mounted on the support portion (51). The transfer portion (52) transfers unqualified products out of the device.
9. The hard plastic parts shortage detection device according to claim 8, characterized in that: The transfer part (52) includes a transfer motor (521), a transfer rod (522) connected to the transfer motor (521), and a moving block (523) sleeved on the transfer rod (522), and a vertically movable clamping member (524) is installed on the moving block (523).
Citation Information
Patent Citations
Visual inspection equipment for injection molded part
CN213612733U