Injection molded part detection and classification mechanism

CN224542394UActive Publication Date: 2026-07-24SHANGHAI DINGRUI MOULD&MOLDING CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
SHANGHAI DINGRUI MOULD&MOLDING CO LTD
Filing Date
2025-08-20
Publication Date
2026-07-24

Smart Images

  • Figure CN224542394U_ABST
    Figure CN224542394U_ABST
Patent Text Reader

Abstract

The utility model relates to injection part detection technical field, concretely is a kind of injection part detection classification mechanism, including first conveyer belt, the middle part of the lower side of first conveyer belt is provided with detection frame, the upper side of detection frame is provided with detection assembly, and detection assembly includes mounting seat, mounting plate, mounting rod, first limit rod, second limit rod, first laser range finder, reflector plate, hydraulic cylinder, pressing plate and second laser range finder, the upper side of detection frame is provided with two groups of mounting seat that can slide left and right, the upper side of two groups of mounting seat is provided with two groups of mounting plate that can slide forwards and backwards;Mounting seat, mounting plate, first limit rod, second limit rod, hydraulic cylinder and pressing plate cooperate to position air conditioner fan shell, first laser range finder, reflector plate and second laser range finder cooperate to detect the height of four edges and four corners of air conditioner fan shell at this time, improve the convenience of air conditioner fan shell size detection, effectively improve detection efficiency, reduce detection side error simultaneously.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] This utility model relates to the field of injection molded parts inspection technology, specifically to an injection molded parts inspection and classification mechanism. Background Technology

[0002] Injection molded parts are plastic products manufactured using the injection molding process. They are mainly used in machinery, electronics, and automotive industries. The process involves heating and melting thermoplastic or thermosetting plastic raw materials, injecting them into a mold cavity using an injection molding machine, and then demolding them after cooling and solidification. This process can process products with complex shapes and high-precision dimensions, and it has high production efficiency. After injection molded parts are produced, they need to be inspected to prevent unqualified products. In particular, the dimensions of air conditioner fan housings also need to be inspected after injection molding.

[0003] In the traditional process of inspecting small parts, their dimensions can be measured. However, in the process of inspecting the casing of air conditioner fans, due to their large size, manual inspection is inconvenient and prone to errors.

[0004] Therefore, it is necessary to invent a sorting and inspection mechanism for injection molded parts to solve the above problems. Utility Model Content

[0005] The purpose of this invention is to provide an injection molded parts inspection and classification mechanism to solve the problem that manual inspection is inconvenient and prone to errors in the process of inspecting air conditioner fan housings due to their large size.

[0006] To achieve the above objectives, this utility model provides the following technical solution: an injection molded parts inspection and classification mechanism, including a first conveyor belt, an inspection frame disposed in the middle of the lower side of the first conveyor belt, and an inspection assembly disposed on the upper side of the inspection frame. The inspection assembly includes a mounting base, a mounting plate, a mounting rod, a first limiting rod, a second limiting rod, a first laser rangefinder, a reflector, a hydraulic cylinder, a pressure plate, and a second laser rangefinder. Two sets of mounting bases that can slide left and right are disposed on the upper side of the inspection frame, and two sets of mounting plates that can slide back and forth are disposed on the upper side of each of the two sets of mounting bases.

[0007] By adopting the above technical solution, the first conveyor belt transports the air conditioner fan casing, and the mounting base, mounting plate, first limit rod, second limit rod, hydraulic cylinder and pressure plate work together to position the air conditioner fan casing. At this time, the first laser rangefinder, reflector and second laser rangefinder work together to detect the height of the four sides and four corners of the air conditioner fan casing, which improves the convenience of detecting the size of the air conditioner fan casing, effectively improves the detection efficiency, and reduces the detection side error.

[0008] Optionally, each of the four sets of mounting plates has a mounting rod fixedly connected to its upper surface, and a first lateral limiting rod is fixedly connected to the upper end of each of the four sets of mounting rods. The first limiting rods on the left and right sides are arranged opposite to each other. Each of the four sets of first limiting rods has a second longitudinal limiting rod fixedly connected to its surface, and the second limiting rods on the front and rear sides are arranged opposite to each other.

[0009] By adopting the above technical solution, the mounting seats on the left and right sides slide inward and move closer together, so that the second limiting rods on the left and right sides abut against the left and right side surfaces of the air conditioner fan housing. Then, the mounting plates on the front and rear sides slide inward and move closer together, so that the first limiting rods on the front and rear sides abut against the front and rear side surfaces of the air conditioner fan housing, thereby positioning the air conditioner fan housing.

[0010] Optionally, a first laser rangefinder is installed on the outer end of the first and second limiting rods on the left front side and the right rear side, and a reflector is fixedly connected to the outer end of the first and second limiting rods on the left rear side and the right front side. A rotating ring is rotatably connected to the side of the inner end of each of the four sets of first and second limiting rods.

[0011] By adopting the above technical solution, multiple sets of first laser rangefinders work together with reflectors to measure the length and width of the air conditioner fan casing. The rotating ring is used to reduce the friction between the limit rod and the air conditioner fan casing, thus avoiding wear on the surface of the air conditioner fan casing.

[0012] Optionally, a hydraulic cylinder is fixedly installed at the upper end of the connection between the first and second limit rods of the four sets, the pressure plate is fixedly connected to the upper end of the piston rod in the hydraulic cylinder, and the second laser rangefinder is fixedly installed at one end of the outer side of the lower surface of the pressure plate.

[0013] By adopting the above technical solution, the piston rod in the hydraulic cylinder retracts inward, causing the pressure plate to move downward so that it abuts against the upper edge of the air conditioner fan casing. The second laser rangefinder works in conjunction with the first conveyor belt to measure the height of the air conditioner fan casing.

[0014] Optionally, a gantry frame is fixedly connected to the upper side of the testing frame, a high-definition camera is fixedly installed in the middle of the gantry frame, a first bidirectional screw is rotatably connected to the middle between the inner walls of the left and right sides of the testing frame, and first positioning rods are fixedly connected to the front and rear sides between the inner walls of the left and right sides of the testing frame. A first motor is fixedly installed on the left side of the testing frame, and the output end of the first motor is fixedly connected to the left end of the first bidirectional screw. The middle parts of the two sets of mounting seats are respectively threaded to the two ends of the first bidirectional screw, and the two ends of the two sets of mounting seats are respectively slidably connected to the two sets of first positioning rods.

[0015] By adopting the above technical solution, the first motor, the first bidirectional screw and the two sets of first positioning rods work together to drive the mounting seats on both sides to slide synchronously, so that they slide towards each other or separate. At the same time, a high-definition camera is set directly above the air conditioner fan casing to take pictures of the air conditioner fan casing and identify whether there is any damage on the surface of the air conditioner fan casing, thereby further improving the detection effect.

[0016] Optionally, support plates are fixedly connected to both ends of the upper surface of the two sets of mounting bases. A second bidirectional screw is rotatably connected to the middle position between the two sets of support plates. Second positioning rods are fixedly connected to the left and right sides between the two sets of support plates. A second motor is fixedly installed on the surface of the front support plate. The output end of the second motor is fixedly connected to the front end of the second bidirectional screw. The middle parts of the two sets of mounting plates are threaded to the two ends of the second bidirectional screw, and the two ends of the two sets of mounting plates are slidably connected to the two sets of second positioning rods.

[0017] By adopting the above technical solution, the second motor, the second bidirectional screw and the two sets of second positioning rods work together to drive the mounting plates on both sides to slide synchronously, so that they slide towards each other or separate, thereby driving the four sets of first limit rods and second limit rods to slide towards each other synchronously, positioning the air conditioner fan casing directly below the high-intensity camera.

[0018] Optionally, a sorting table is installed on the front side of the first conveyor belt, a second conveyor belt is installed on the front side of the sorting table, and a third conveyor belt is installed on the right side of the sorting table.

[0019] By adopting the above technical solution, the sorting table is used to adjust the conveying direction of the air conditioner fan casing, conveying qualified products to the surface of the second conveyor belt and unqualified products to the surface of the third conveyor belt.

[0020] Optionally, the upper surface of the sorting table has multiple sets of mounting slots, the bottom of each set of mounting slots is fixedly mounted with a rotary cylinder, the upper end of each set of mounting slots is rotatably connected to a rotating disk, the surface of the rotating disk has a rotating groove, the lower surface of the rotating disk is fixedly connected to a fixed frame located below the rotating groove, the inner side of the fixed frame is rotatably connected to a steering wheel, the side of the fixed frame is fixedly mounted with an electric motor, the output end of the electric motor is fixedly connected to the axis of the steering wheel, and the output end of the rotary cylinder is fixedly connected to the lower end of the fixed frame.

[0021] By adopting the above technical solution, the output end of the electric motor drives the steering wheel to rotate, moving the air conditioner fan casing. At the same time, the output end of the rotary cylinder drives the rotating disk to rotate, adjusting the direction of the steering wheel, thereby conveying the air conditioner fan casing to different directions.

[0022] The technical effects and advantages provided by this utility model in the above technical solution are as follows: 1. This utility model uses a first conveyor belt to transport the air conditioner fan housing. The mounting base, mounting plate, first limit rod, second limit rod, hydraulic cylinder and pressure plate work together to position the air conditioner fan housing. At this time, the first laser rangefinder, reflector and second laser rangefinder work together to detect the height of the four sides and four corners of the air conditioner fan housing, which improves the convenience of detecting the size of the air conditioner fan housing, effectively improves the detection efficiency, and reduces the detection error. 2. This utility model adjusts the conveying direction of the air conditioner fan casing by using a sorting table, conveying qualified products to the surface of the second conveyor belt and unqualified products to the surface of the third conveyor belt, thereby realizing automatic sorting of air conditioner fan casings. Attached Figure Description

[0023] Figure 1 This is a schematic diagram of the overall structure of this utility model; Figure 2 This is a schematic diagram of the detection component structure of this utility model; Figure 3 This is a schematic diagram of the detection frame structure of this utility model; Figure 4 This is a schematic diagram of the mounting base structure of this utility model; Figure 5 This is a schematic diagram of the limiting rod structure of this utility model; Figure 6 This is a schematic diagram of the sorting table structure of this utility model; Figure 7 This is a schematic diagram of the rotating disk structure of this utility model.

[0024] Explanation of reference numerals in the attached figures: 1. First conveyor belt; 11. Sorting table; 111. Mounting slot; 112. Rotary disc; 113. Rotating slot; 114. Fixed frame; 115. Steering wheel; 116. Electric motor; 117. Rotary cylinder; 12. Second conveyor belt; 13. Third conveyor belt; 2. Inspection frame; 21. Gantry frame; 22. High-definition camera; 23. First bidirectional screw; 24. First positioning rod; 25. First motor; 3. Mounting base; 31. Support plate; 32. Second bidirectional screw; 33. Second positioning rod; 34. Second motor; 35. Mounting plate; 4. Mounting rod; 41. First limit rod; 42. Second limit rod; 43. Rotating ring; 44. First laser rangefinder; 45. Reflector; 46. Hydraulic cylinder; 47. Pressure plate; 48. Second laser rangefinder. Detailed Implementation

[0025] To enable those skilled in the art to better understand the technical solution of this utility model, the present utility model will be further described in detail below with reference to the accompanying drawings.

[0026] This utility model provides, for example Figures 1 to 5 The injection molded parts inspection and classification mechanism shown includes a first conveyor belt 1, an inspection frame 2 is arranged in the middle of the lower side of the first conveyor belt 1, and an inspection component is arranged on the upper side of the inspection frame 2. The inspection component includes a mounting base 3, a mounting plate 35, a mounting rod 4, a first limiting rod 41, a second limiting rod 42, a first laser rangefinder 44, a reflector 45, a hydraulic cylinder 46, a pressure plate 47, and a second laser rangefinder 48. Two sets of mounting bases 3 that can slide left and right are arranged on the upper side of the inspection frame 2, and two sets of mounting plates 35 that can slide back and forth are arranged on the upper side of each set of mounting bases 3. A gantry frame 21 is fixedly connected to the upper side of the inspection frame 2, and a high-definition camera 22 is fixedly installed in the middle of the gantry frame 21.

[0027] During the feeding process, the outer shell is placed horizontally on the surface of the first conveyor belt 1. The first conveyor belt 1 transports the outer shell forward. When the outer shell is transported to the lower side of the gantry 21, the first conveyor belt 1 stops running. At this time, the first limit rod 41 and the second limit rod 42 work together to position the outer shell. At the same time, the hydraulic cylinder 46 works with the pressure plate 47 to press the upper end of the outer shell. At this time, the first laser rangefinder 44, the reflector 45 and the second laser rangefinder 48 work together to detect the length, width and height of the outer shell. The high-definition camera 22 will take pictures of the surface of the outer shell to identify whether there are any defects on the surface of the outer shell.

[0028] See Figure 3 and Figure 4 A first bidirectional screw 23 is rotatably connected to the middle position between the inner walls of the left and right sides of the testing frame 2. First positioning rods 24 are fixedly connected to the front and rear positions between the inner walls of the left and right sides of the testing frame 2. A first motor 25 is fixedly installed on the left side of the testing frame 2. The output end of the first motor 25 is fixedly connected to the left end of the first bidirectional screw 23. The middle parts of two sets of mounting seats 3 are threaded to both ends of the first bidirectional screw 23, and the two ends of the two sets of mounting seats 3 are slidably connected to the two sets of first positioning rods 24. The front and rear ends of the upper surfaces of the two sets of mounting seats 3 are... Each set of mounting plates 35 is fixedly connected to a support plate 31. A second bidirectional screw 32 is rotatably connected to the middle position between the front and rear sets of support plates 31. A second positioning rod 33 is fixedly connected to the left and right sides between the front and rear sets of support plates 31. A second motor 34 is fixedly installed on the surface of the front support plate 31. The output end of the second motor 34 is fixedly connected to the front end of the second bidirectional screw 32. The middle parts of the two sets of mounting plates 35 are threaded to the two ends of the second bidirectional screw 32, and the two ends of the two sets of mounting plates 35 are slidably connected to the two sets of second positioning rods 33.

[0029] Specifically, when the outer casing moves to the underside of the gantry 21, the first motor 25 and the second motor 34 will be automatically started. The first motor 25 drives the first bidirectional screw 23 to rotate in the forward direction. The first bidirectional screw 23 cooperates with the first positioning rod 24 to drive the two sets of mounting seats 3 to slide and move closer to each other. At the same time, the second motor 34 drives the second bidirectional screw 32 to rotate in the forward direction. The second bidirectional screw 32 cooperates with the second positioning rod 33 to drive the mounting plates 35 on both sides to slide and move closer to each other.

[0030] See Figure 2 , Figure 4 and Figure 5 Mounting rods 4 are fixedly connected to the upper surfaces of the four sets of mounting plates 35. A first horizontal limiting rod 41 is fixedly connected to the upper end of the four sets of mounting rods 4. The first limiting rods 41 on the left and right sides are arranged opposite each other. A second longitudinal limiting rod 42 is fixedly connected to the surface of the four sets of first limiting rods 41. The second limiting rods 42 on the front and rear sides are arranged opposite each other. A first laser rangefinder 44 is installed at the outer end of the first limiting rod 41 and the second limiting rod 42 on the left front side and the right rear side. A reflector 45 is fixedly connected to the outer end of the first limiting rod 41 and the second limiting rod 42 on the left rear side and the right front side. A rotating ring 43 is rotatably connected to the side of the inner end of the four sets of first limiting rods 41 and the second limiting rod 42. A hydraulic cylinder 46 is fixedly installed at the upper end of the connection between the four sets of first limiting rods 41 and the second limiting rod 42. A pressure plate 47 is fixedly connected to the upper end of the piston rod in the hydraulic cylinder 46. A second laser rangefinder 48 is fixedly installed at the outer end of the lower surface of the pressure plate 47.

[0031] Simultaneously, when the mounting base 3 and the mounting plate 35 slide towards each other, they drive the four sets of first limiting rods 41, second limiting rods 42 and hydraulic cylinders 46 to move inward in sync. The first limiting rods 41 and second limiting rods 42 cooperate to clamp the four corners of the outer shell, and cooperate with the rotating ring 43 to correct the position of the outer shell, positioning it directly below the high-definition camera 22. At this time, the piston rods in the four sets of hydraulic cylinders 46 retract in sync, causing the pressure plate 47 to abut against the upper edge of the outer shell. At this time, the first laser rangefinder 44 cooperates with the reflector 45 to measure the length and width of the outer shell, and the second laser rangefinder 48 cooperates with the first conveyor belt 1 to measure the height of the outer shell.

[0032] After the measurement is completed, the first motor 25 and the second motor 34 rotate in opposite directions, causing the first limit rod 41, the second limit rod 42 and the hydraulic cylinder 46 to slide outward synchronously. At this time, the first conveyor belt 1 is restarted to transport the tested shell forward and move the untested shell to the lower side of the gantry 21.

[0033] See Figure 1 , Figure 6 and Figure 7A sorting table 11 is installed on the front side of the first conveyor belt 1, a second conveyor belt 12 is installed on the front side of the sorting table 11, and a third conveyor belt 13 is installed on the right side of the sorting table 11. Multiple sets of mounting slots 111 are opened on the upper surface of the sorting table 11. A rotary cylinder 117 is fixedly installed at the bottom of each set of mounting slots 111. A rotating disk 112 is rotatably connected to the upper end of each set of mounting slots 111. A rotating groove 113 is opened on the surface of the rotating disk 112. A fixed frame 114 is fixedly connected to the lower surface of the rotating disk 112 at the position below the rotating groove 113. A steering wheel 115 is rotatably connected to the inner side of the fixed frame 114. An electric motor 116 is fixedly installed on the side of the fixed frame 114. The output end of the electric motor 116 is fixedly connected to the axis of the steering wheel 115. The output end of the rotary cylinder 117 is fixedly connected to the lower end of the fixed frame 114.

[0034] In addition, the initial direction of the steering wheel 115 is forward and backward, which transports the product to the surface of the second conveyor belt 12. At the same time, the high-definition camera 22, the first laser rangefinder 44 and the second laser rangefinder 48 will transmit the detection information to the system. When the product passes the inspection, the direction of the steering wheel 115 remains unchanged. When the product fails the inspection, the rotary cylinder 117 drives the rotating disk 112 to rotate, adjusting the steering wheel 115 to the left and right direction. The electric motor 116 drives the steering wheel 115 to rotate, moving the product to the surface of the third conveyor belt 13. Then the rotary cylinder 117 drives the rotating disk 112 to reset.

[0035] The working principle of this utility model is as follows: The mounting base 3, mounting plate 35, first limiting rod 41, second limiting rod 42, hydraulic cylinder 46 and pressure plate 47 work together to position the air conditioner fan casing. At this time, the first laser rangefinder 44, reflector 45 and second laser rangefinder 48 are used to detect the length of the four sides and the height of the four corners of the air conditioner fan casing, which improves the convenience of detecting the size of the air conditioner fan casing, effectively improves the detection efficiency, and reduces the detection side error. The sorting table 11 adjusts the conveying direction of the air conditioner fan casing, conveying qualified products to the surface of the second conveyor belt 12 and unqualified products to the surface of the third conveyor belt 13, thereby realizing automatic sorting of the air conditioner fan casing.

[0036] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely preferred examples and are not intended to limit the utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claimed utility model.

Claims

1. A sorting and inspection mechanism for injection molded parts, comprising a first conveyor belt (1), characterized in that: A detection frame (2) is provided in the middle of the lower side of the first conveyor belt (1). A detection component is provided on the upper side of the detection frame (2). The detection component includes a mounting base (3), a mounting plate (35), a mounting rod (4), a first limiting rod (41), a second limiting rod (42), a first laser rangefinder (44), a reflector (45), a hydraulic cylinder (46), a pressure plate (47), and a second laser rangefinder (48). Two sets of mounting bases (3) that can slide left and right are provided on the upper side of the detection frame (2). Two sets of mounting plates (35) that can slide back and forth are provided on the upper side of both sets of mounting bases (3).

2. The injection molded parts inspection and classification mechanism according to claim 1, characterized in that: The upper surfaces of the four sets of mounting plates (35) are all fixedly connected with mounting rods (4), and the upper ends of the four sets of mounting rods (4) are fixedly connected with first horizontal limiting rods (41). The first limiting rods (41) on the left and right sides are arranged opposite to each other. The surfaces of the four sets of first limiting rods (41) are all fixedly connected with second longitudinal limiting rods (42), and the second limiting rods (42) on the front and rear sides are arranged opposite to each other.

3. The injection molded parts inspection and classification mechanism according to claim 2, characterized in that: A first laser rangefinder (44) is installed on the outer end of the first limiting rod (41) and the second limiting rod (42) on the left front side and the right rear side. A reflector (45) is fixedly connected to the outer end of the first limiting rod (41) and the second limiting rod (42) on the left rear side and the right front side. A rotating ring (43) is rotatably connected to the inner side of the four sets of first limiting rods (41) and second limiting rods (42).

4. The injection molded parts inspection and classification mechanism according to claim 3, characterized in that: A hydraulic cylinder (46) is fixedly installed at the upper end of the connection between the first limiting rod (41) and the second limiting rod (42) of the four sets. The pressure plate (47) is fixedly connected to the upper end of the piston rod in the hydraulic cylinder (46). The second laser rangefinder (48) is fixedly installed on the outer side of the lower surface of the pressure plate (47).

5. The injection molded parts inspection and classification mechanism according to claim 1, characterized in that: A gantry (21) is fixedly connected to the upper side of the testing frame (2). A high-definition camera (22) is fixedly installed in the middle of the gantry (21). A first bidirectional screw (23) is rotatably connected between the middle of the inner walls on the left and right sides of the testing frame (2). A first positioning rod (24) is fixedly connected to the front and rear sides of the inner walls on the left and right sides of the testing frame (2). A first motor (25) is fixedly installed on the left side of the testing frame (2). The output end of the first motor (25) is fixedly connected to the left end of the first bidirectional screw (23). The middle parts of the two sets of mounting seats (3) are threaded to the two ends of the first bidirectional screw (23). The two ends of the two sets of mounting seats (3) are slidably connected to the two sets of first positioning rods (24).

6. The injection molded parts inspection and classification mechanism according to claim 5, characterized in that: Support plates (31) are fixedly connected to the front and rear ends of the upper surfaces of the two sets of mounting bases (3). A second bidirectional screw (32) is rotatably connected to the middle position between the two sets of support plates (31). A second positioning rod (33) is fixedly connected to the left and right sides between the two sets of support plates (31). A second motor (34) is fixedly installed on the surface of the front support plate (31). The output end of the second motor (34) is fixedly connected to the front end of the second bidirectional screw (32). The middle parts of the two sets of mounting plates (35) are threadedly connected to the two ends of the second bidirectional screw (32). The two ends of the two sets of mounting plates (35) are slidably connected to the two sets of second positioning rods (33).

7. The injection molded parts inspection and classification mechanism according to claim 1, characterized in that: A sorting table (11) is installed on the front side of the first conveyor belt (1), a second conveyor belt (12) is installed on the front side of the sorting table (11), and a third conveyor belt (13) is installed on the right side of the sorting table (11).

8. The injection molded parts inspection and classification mechanism according to claim 7, characterized in that: The upper surface of the sorting table (11) has multiple sets of mounting slots (111). A rotary cylinder (117) is fixedly installed at the bottom of each set of mounting slots (111). A rotating disk (112) is rotatably connected to the upper end of each set of mounting slots (111). A rotating groove (113) is provided on the surface of the rotating disk (112). A fixed frame (114) is fixedly connected to the lower surface of the rotating disk (112) at the position below the rotating groove (113). A steering wheel (115) is rotatably connected to the inner side of the fixed frame (114). An electric motor (116) is fixedly installed on the side of the fixed frame (114). The output end of the electric motor (116) is fixedly connected to the axis of the steering wheel (115). The output end of the rotary cylinder (117) is fixedly connected to the lower end of the fixed frame (114).