Feeding device and mistake proofing system
By using a multi-table turntable and vision detector in the loading device in the machining field, the problems of material leakage, mis-materials, and mixed materials in the part loading process are solved, and the accurate identification and efficient installation of parts are achieved.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- THE 711TH RES INST OF CHINA STATE SHIPBUILDING CORP
- Filing Date
- 2025-04-30
- Publication Date
- 2026-05-12
AI Technical Summary
In the machining field, especially in the production of complex equipment, problems such as material leakage, incorrect material, and mixed material are prone to occur during the material loading process, leading to assembly errors and a decline in product quality.
A turntable device with multiple worktables, combined with a vision detector and positioning structure, is used to achieve automatic identification and verification of parts, ensuring the accuracy and efficiency of material loading.
By operating the feeding and inspection processes in parallel, material leakage, incorrect material handling, and material mixing are effectively avoided, improving the accuracy and efficiency of the feeding device and ensuring the correct installation of parts.
Smart Images
Figure CN224225941U_ABST
Abstract
Description
Technical Field
[0001] This application relates to the field of machining, and more particularly to a feeding device and a mistake prevention system. Background Technology
[0002] In modern manufacturing, especially in the machining field, the production of complex equipment such as diesel engines and motors typically requires the assembly of numerous components. These components are diverse in type and shape, and often need to be installed according to a specific sequence and position to ensure the stability and reliability of the overall machine performance. For example, in the assembly of a diesel engine cylinder head, multiple functional components need to be uniformly installed onto this critical structural component.
[0003] In actual production, to improve assembly efficiency, all parts required for a structural component (such as a cylinder head) are usually centrally sourced and delivered to the assembly station. However, due to the large number and variety of required parts, problems such as missing, incorrect, or mixed parts can easily occur during the actual material preparation process. This not only reduces the accuracy and efficiency of material preparation but may also lead to assembly errors, thereby affecting product quality. Utility Model Content
[0004] This application provides a feeding device and a mistake-proofing system, which aim to improve the accuracy and efficiency of feeding.
[0005] To achieve the above objectives, according to a first aspect of this application, a feeding device is provided, comprising:
[0006] A loading turntable includes a turntable and at least two worktables fixedly connected to the turntable. The turntable is capable of rotating in a set direction and has loading positions and inspection positions spaced apart along its own rotation path. The turntable drives at least two worktables to circulate between the loading positions and the inspection positions. At the loading position, the parts to be inspected are placed on the worktable. At the inspection position, the parts supported on the worktable are inspected, and the parts that have completed the inspection are unloaded.
[0007] The part inspection structure includes a support and a vision detector mounted on the support. The vision detector is located at the inspection position, above the worktable, and is used to inspect the parts supported by the worktable at the inspection position.
[0008] Optionally, the turntable also has multiple waiting positions located between the loading position and the detection position along the rotation path of the turntable, and each loading position, detection position and waiting position is equipped with a worktable.
[0009] Optionally, the loading turntable also includes at least two trays, each corresponding to one of the at least two worktables and fixedly connected to the corresponding worktables, with the worktables supporting the components via the trays.
[0010] Optionally, the tray has multiple positioning holes on the side of its surface away from the worktable. These positioning holes are used to position and secure components.
[0011] Optionally, a fixing protrusion is provided on the side surface of the workbench facing the tray, and multiple fixing holes are provided on the side surface of the tray facing the workbench. The fixing holes correspond one-to-one with the fixing protrusions, and the corresponding fixing protrusions can be embedded in the fixing holes.
[0012] Optionally, each pallet has multiple lifting rings fixedly connected to the side surface away from the workbench, with the lifting rings spaced apart along the edge of the pallet.
[0013] Optionally, it also includes a tray detection structure, which includes a light emitter and a light receiver;
[0014] The turntable has multiple light emitters at its center, each facing the loading position, the detection position, and the waiting positions. Each light emitter emits detection light in the direction it is facing. Each worktable is equipped with a light receiver facing the center of the turntable.
[0015] Optionally, it also includes two positioning structures, which are located at the loading position and the detection position respectively, and are set below the worktable;
[0016] The positioning structure includes multiple positioning posts. In a first direction, each positioning post can approach or move away from the worktable. When the positioning post approaches the worktable, it can abut against the side wall of the tray. The first direction is perpendicular to the surface of the worktable used to support the parts.
[0017] Optionally, the positioning structure also includes a lifting component and a support plate. In the first direction, the lifting component and the positioning column are located on both sides of the support plate and are fixedly connected to the support plate. The lifting component can drive the support plate to reciprocate in the first direction.
[0018] Optionally, the positioning structure also includes a base and a plurality of spaced-apart guide columns. In the first direction, the base and the lifting member are located on the same side of the support plate, and each guide column extends along the first direction. One end of each guide column is slidably connected to the base, and the other end is fixedly connected to the support plate.
[0019] Optionally, a weight-reducing hole is provided in the middle of the workbench.
[0020] According to a second aspect of this application, a mistake prevention system is provided, including a control unit and a feeding device of any one of the above, wherein the control unit is used to control the rotation of the turntable.
[0021] One of the above technical solutions has the following advantages or beneficial effects: The feeding device, by setting up a turntable with multiple workbenches, enables each workbench to support centrally matched parts and move and position precisely along a fixed path under the drive of the turntable. This facilitates the identification and verification of the parts supported by the workbenches by the parts inspection structure. Specifically, when one workbench is in the inspection position, another workbench can simultaneously supplement the feeding at the feeding position, thereby achieving parallel feeding and inspection and improving feeding efficiency. Furthermore, by setting a vision detector above the workbench at the inspection position, the vision detector can automatically identify the type, quantity, and placement of parts, effectively avoiding missing, incorrect, or mixed parts, thereby improving feeding accuracy and efficiency.
[0022] Other features and advantages of this application will be described in detail in the following detailed description section. Attached Figure Description
[0023] To more clearly illustrate the technical solutions in the embodiments of this application, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.
[0024] To gain a more complete understanding of this application and its beneficial effects, the following description will be provided in conjunction with the accompanying drawings, wherein the same reference numerals in the following description denote the same parts.
[0025] Figure 1 This is a schematic diagram of the overall structure of the feeding device provided in the embodiments of this application;
[0026] Figure 2 This is a schematic diagram of the structure of the loading turntable provided in the embodiments of this application;
[0027] Figure 3 This is a top view of the loading turntable provided in the embodiments of this application;
[0028] Figure 4 This is a schematic diagram of the tray structure provided in the embodiments of this application. Figure 1 ;
[0029] Figure 5 This is a schematic diagram of the tray structure provided in the embodiments of this application. Figure 2 ;
[0030] Figure 6 This is a schematic diagram of the tray structure provided in the embodiments of this application. Figure 3 .
[0031] Explanation of reference numerals in the attached figures:
[0032] 1. Loading turntable; 11. Turntable; 12. Workbench; 121. Fixing protrusion; 122. Weight reduction hole; 101. Loading position; 102. Inspection position; 103. Waiting position; 13. Pallet; 131. Positioning hole; 132. Fixing hole; 133. Lifting ring;
[0033] 2. Part inspection structure; 21. Support component; 22. Visual detector;
[0034] 3. Tray detection structure; 31. Light emitter; 32. Light receiver;
[0035] 4. Positioning structure; 41. Positioning column; 42. Lifting component; 43. Support plate; 44. Base; 45. Guide column;
[0036] 5. Components. Detailed Implementation
[0037] The technical solutions of the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only a part of the embodiments of this application, and not all of them. All other embodiments obtained by those skilled in the art based on the embodiments of this application without creative effort are within the protection scope of this application.
[0038] This application provides a feeding device; please refer to [link / reference]. Figures 1 to 5 , Figure 1 This is a schematic diagram of the overall structure of the feeding device provided in the embodiments of this application; Figure 2 This is a schematic diagram of the structure of the loading turntable provided in the embodiments of this application; Figure 3 This is a top view of the loading turntable provided in the embodiments of this application; Figure 4 This is a schematic diagram of the tray structure provided in the embodiments of this application. Figure 1 ; Figure 5 This is a schematic diagram of the tray structure provided in the embodiments of this application. Figure 2 ; Figure 6 This is a schematic diagram of the tray structure provided in the embodiments of this application. Figure 3 .
[0039] The loading device includes a loading turntable 1 and a part inspection structure 2. The loading turntable 1 includes a turntable 11 and at least two worktables 12 fixedly connected to the turntable 11. The turntable 11 is rotatable in a set direction and has loading positions 101 and inspection positions 102 spaced apart along its own rotation path. At the loading position 101, the parts 5 to be inspected are placed on the worktables 12; at the inspection position 102, the parts 5 supported on the worktables 12 are inspected, and the inspected parts 5 are unloaded. The worktables 12 are used to support the parts 5, and the turntable 11 drives at least two worktables 12 to circulate between the loading position 101 and the inspection position 102. The part inspection structure 2 includes a support member 21 and a vision detector 22 mounted on the support member 21. The vision detector 22 is located at the inspection position 102, above the worktables 12, and is used to inspect the parts 5 supported by the worktables 12 at the inspection position 102.
[0040] The feeding device utilizes a turntable 11 with multiple workbenches 12, allowing each workbench 12 to support a set of centrally located parts 5. Driven by the turntable 11, each workbench 12 moves and positions precisely along a fixed path, facilitating the identification and verification of the parts 5 supported by the workbench 12 by the parts inspection structure 2 at the inspection position 102. Specifically, while one workbench 12 is at the inspection position 102, another workbench 12 can simultaneously feed additional parts at the feeding position 101, achieving parallel operation of feeding and inspection, significantly improving feeding efficiency. Furthermore, by installing a vision detector 22 above the workbench 12 at the inspection position 102, the vision detector 22 can automatically identify the type, quantity, and arrangement of parts, effectively preventing missing, incorrect, or mixed parts, thus improving feeding accuracy and efficiency.
[0041] In some embodiments, a weight-reducing hole 122 is provided in the middle of the worktable 12. During multi-station cyclic operation, the lighter worktable 12 can reduce the inertial load, making the turntable 11 more stable during start-up, stop and acceleration / deceleration, reducing the vibration of the worktable 12, and helping to maintain the operational stability and cycle consistency of the feeding device.
[0042] In some embodiments, the support member 21 of the part inspection structure 2 can be a robotic arm. A vision detector 22 is fixedly connected to the end of the robotic arm near the loading turntable 1. The robotic arm can drive the vision detector 22 to move above the worktable 12 to inspect the part 5 located on the worktable 12 at the inspection position 102. After the inspection is completed, a fixture can also be connected to the same end of the robotic arm to perform a unloading operation on the part 5, thereby realizing integrated inspection and unloading processing.
[0043] In some embodiments, the turntable 11 further has a plurality of waiting positions 103, which are located between the loading position 101 and the detection position 102 along the rotation path of the turntable 11, and each loading position 101, detection position 102, and waiting position 103 is provided with a worktable 12. (Refer to...) Figure 2 and Figure 3 Two waiting positions 103 are provided. The loading position 101, the two waiting positions 103, and the detection position 102 are arranged counterclockwise along the rotation path of the turntable 11. Four worktables 12 are provided, and the four worktables 12 can be located at the four aforementioned workstations. The four workstations are the loading position 101, the two waiting positions 103, and the detection position 102. Further, in this embodiment, the turntable 11 is rotatably mounted on a base, and a drive device for driving the turntable 11 to rotate is provided in the base.
[0044] After the workbench 12 completes the centralized placement of parts 5 at the loading station 101, it moves to the waiting station 103. Meanwhile, after the inspection station 102 completes the inspection and unloading operation of parts 5 on the previous workbench 12, the previous workbench 12 moves back to the loading station 101, and simultaneously, the workbench 12 on the waiting station 103 immediately enters the inspection station 102, achieving continuous inspection. The waiting station 103 acts as a buffer, connecting the loading and inspection processes, ensuring that the inspection station 102 will not experience interruptions in the loading cycle due to idle time, thereby improving the overall system's smoothness and efficiency.
[0045] In some embodiments, the loading turntable 1 further includes at least two trays 13, each corresponding to one of at least two worktables 12 and fixedly connected to the corresponding worktable 12. The worktable 12 supports the component 5 via the trays 13. (Refer to...) Figure 4 , Figure 4 This is a schematic diagram of the tray structure provided in the embodiments of this application. Figure 1 The diagram shows a tray 13 supporting component 5. By supporting component 5 with the tray 13, when unloading components 5 that have completed inspection at the inspection station 102, the components 5 can be centrally unloaded by directly transferring the tray 13, eliminating the need to individually grasp each component 5. This reduces the risk of loss or damage to components 5 due to improper operation, further improving the accuracy and efficiency of loading. Furthermore, after unloading, only an empty tray 13 needs to be placed on the corresponding workbench 12 to rotate the workbench 12 from the inspection station 102 to the loading station 101, ensuring the continuity and efficiency of the loading device. This allows for seamless connection between the loading, inspection, and unloading processes, further improving the efficiency of the loading device.
[0046] In some embodiments, a plurality of positioning holes 131 are distributed on the surface of the tray 13 facing away from the worktable 12. These positioning holes 131 are used to position and fix the components 5. The positioning holes 131 ensure that different components 5 are fixed in corresponding positions on the tray 13, allowing the vision detector 22 to accurately position the components 5 at the detection position 102 and quickly and accurately detect them. It is worth noting that in some embodiments, the size and shape of the positioning holes 131 on the tray 13 are different, and some positioning holes 131 penetrate the tray 13 while others do not. Positioning holes 131 with relatively larger diameters are used to position relatively large components 5. The larger diameter allows for the embedding of larger components 5, ensuring that they are less prone to displacement during transport and inspection, thus preventing inaccurate positioning on the tray 13. For smaller components 5, smaller positioning holes 131 allow for precise positioning, ensuring stability and facilitating subsequent inspection and operation. (Refer to...) Figure 5 , Figure 5 This is a schematic diagram of the tray structure provided in the embodiments of this application. Figure 2 The image shows the side surface of the tray 13 facing away from the worktable 12.
[0047] In some embodiments, a fixing protrusion 121 protrudes from the side surface of the workbench 12 facing the tray 13, and a plurality of fixing holes 132 are formed on the side surface of the tray 13 facing the workbench 12. Each fixing hole 132 corresponds to a fixing protrusion 121, and the corresponding fixing protrusion 121 can be fitted into the fixing hole 132. (Refer to...) Figure 6 , Figure 6 This is a schematic diagram of the tray structure provided in the embodiments of this application. Figure 3 This shows the surface of tray 13 facing worktable 12. (See reference...) Figure 2 , Figure 2 This is a schematic diagram of the loading turntable provided in this application embodiment, showing the fixing protrusion 121 on the worktable 12. By setting the fixing protrusion 121 on the worktable 12 and setting the corresponding fixing hole 132 on the bottom of the tray 13, the rapid, accurate positioning and stable connection between the tray 13 and the worktable 12 are achieved, preventing the tray 13 from slipping or shifting during the rotation of the worktable 12.
[0048] In some embodiments, a plurality of lifting rings 133 are fixedly connected to the surface of each tray 13 facing away from the workbench 12, and the plurality of lifting rings 133 are distributed at intervals along the edge of the tray 13. (Refer to...) Figure 5In this embodiment, the tray 13 is a rectangular tray. Each of the four corners of the side of the tray 13 facing away from the workbench 12 is provided with a lifting ring 133. The lifting ring 133 at the four corners of the tray 13 provides four evenly spaced lifting points, which enables the tray 13 to maintain balance during the unloading process, effectively preventing the tray 13 from tilting or being subjected to uneven force, and reducing the risk of parts 5 falling or being damaged.
[0049] In some embodiments, the feeding device further includes a tray detection structure 3, which includes a light emitter 31 and a light receiver 32. Specifically, a plurality of light emitters 31 are provided at the center of the turntable 11, each light emitter 31 facing the feeding position 101, the detection position 102, and each waiting position 103, and each light emitter 31 emits detection light in the direction it faces. Each worktable 12 is provided with a light receiver 32 facing the center of the turntable 11. By setting the light emitters 31 and the light receivers 32, when the worktable 12 rotates to any of the feeding position 101, the detection position 102, and each waiting position 103, the light receivers 32 can detect whether the tray 13 is in a preset position at each worktable. Specifically, the light emitter 31 emits light from the center of the turntable 11. If the tray 13 is in the preset position, the detection light is blocked by the tray 13, and the light receiver 32 on the worktable 12 where the tray 13 is located cannot receive the detection light, so it can report to the control unit that the tray 13 is in place; if the tray 13 is not in the preset position, the light receiver 32 on the worktable 12 where the tray 13 is located receives the detection light, so it can report to the control unit that the tray 13 is not in place.
[0050] In some embodiments, the feeding device further includes two positioning structures 4, which are located at the feeding position 101 and the detection position 102, respectively, and are disposed below the worktable 12. The positioning structure 4 includes a plurality of positioning posts 41. In a first direction, each positioning post 41 can approach or move away from the worktable 12. When the positioning post 41 approaches the worktable 12, the positioning post 41 can abut against the side wall of the tray 13. The first direction is perpendicular to the surface of the worktable 12 used to support the parts 5.
[0051] Specifically, during the loading operation at the loading station 101, and during the inspection and unloading operations at the inspection station 102, the positioning posts 41 at the corresponding stations are close to the workbench 12 and abut against the side wall of the pallet 13. This arrangement allows the positioning posts 41 to limit and position the side wall of the pallet 13 during loading, inspection, and unloading, effectively preventing lateral swaying, offsetting, or rotating of the pallet 13 during these processes, ensuring that the pallet 13 remains in an accurate position. Simultaneously, the abutment of the positioning posts 41 against the side wall of the pallet 13 also provides structural load-bearing assistance, especially during loading or unloading, when the loading and unloading of components 5 may exert external forces on the pallet 13. In this case, the support of the positioning posts 41 can distribute some of the load, reducing stress concentration at the bottom of the pallet 13 or at the connection point with the workbench 12, and extending the service life of both the pallet 13 and the workbench 12.
[0052] In some embodiments, the positioning structure 4 further includes a lifting member 42 and a support plate 43. In the first direction, the lifting member 42 and the positioning column 41 are located on both sides of the support plate 43 and are fixedly connected to the support plate 43. The lifting member 42 can drive the support plate 43 to reciprocate in the first direction. When the feeding device needs to limit and support the pallet 13, the lifting member 42 drives the support plate 43 to rise, causing the positioning column 41 to approach and abut against the side wall of the pallet 13, thereby achieving precise limiting. When limiting is not required, the positioning column 41 can descend with the support plate 43 to avoid interfering with the rotational movement of the worktable 12. In some embodiments, the lifting member 42 is a cylinder.
[0053] In some embodiments, the positioning structure 4 further includes a base 44 and a plurality of spaced-apart guide posts 45. In a first direction, the base 44 and the lifting member 42 are located on the same side of the support plate 43. Each guide post 45 extends along the first direction, with one end of each guide post 45 slidably connected to the base 44 and the other end fixedly connected to the support plate 43. The guide posts 45 play a guiding and limiting role during the up-and-down movement of the support plate 43, effectively preventing the support plate 43 from shaking, tilting, or jamming during the lifting process, ensuring the overall smooth operation of the positioning structure 4 and precise vertical movement.
[0054] This application also provides an error prevention system, including a control unit and any of the above-mentioned feeding devices, wherein the control unit is used to control the rotation of the turntable.
[0055] In the description of this application, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Therefore, a feature defined as "first" or "second" may explicitly or implicitly include one or more features. In the description of this application, "multiple" means two or more, unless otherwise explicitly specified.
[0056] In the above embodiments, the descriptions of each embodiment have different focuses. For parts not described in detail in a certain embodiment, please refer to the relevant descriptions in other embodiments.
[0057] The embodiments, implementation methods, and related technical features of this application can be combined and substituted for each other without conflict.
[0058] The above are merely preferred embodiments of this application and are not intended to limit this application in any way. Any simple modifications, equivalent changes, and alterations made to the above embodiments based on the technical essence of this application without departing from the scope of the technical solution of this application shall still fall within the scope of the technical solution of this application.
Claims
1. A feeding device, characterized in that, include: A loading turntable (1) includes a turntable (11) and at least two worktables (12) fixedly connected to the turntable (11). The turntable (11) is capable of rotating in a set direction and has loading positions (101) and detection positions (102) spaced apart along its own rotation path. The turntable (11) drives the at least two worktables (12) to move cyclically between the loading positions (101) and the detection positions (102). At the loading positions (101), the parts (5) to be inspected are placed on the worktables (12). At the detection positions (102), the parts (5) supported on the worktables (12) are inspected, and the parts (5) that have been inspected are unloaded. The part inspection structure (2) includes a support (21) and a vision detector (22) mounted on the support (21). The vision detector (22) is located at the inspection position (102) and is set above the worktable (12) for inspecting the parts (5) supported by the worktable (12) at the inspection position (102).
2. The feeding device according to claim 1, characterized in that, The turntable (11) also has multiple waiting positions (103). Along the rotation path of the turntable (11), the multiple waiting positions (103) are located between the loading position (101) and the detection position (102), and the loading position (101), the detection position (102) and each of the waiting positions (103) are provided with a worktable (12).
3. The feeding device according to claim 2, characterized in that, The loading turntable (1) also includes at least two trays (13), which correspond one-to-one with the at least two workbenches (12) and are fixedly connected to the corresponding workbenches (12). The workbenches (12) support the components (5) through the trays (13).
4. The feeding device according to claim 3, characterized in that, The tray (13) has multiple positioning holes (131) distributed on the side surface opposite to the workbench (12), which are used to position and fix the component (5).
5. The feeding device according to claim 3, characterized in that, The workbench (12) has a fixing protrusion (121) on one side of its surface facing the tray (13), and the tray (13) has a plurality of fixing holes (132) on one side of its surface facing the workbench (12). The fixing holes (132) correspond one-to-one with the fixing protrusions (121), and the corresponding fixing protrusions (121) can be embedded in the fixing holes (132).
6. The feeding device according to claim 3, characterized in that, Each of the trays (13) has a plurality of lifting rings (133) fixedly connected to the side surface of the tray (12) away from the workbench (12), and the plurality of lifting rings (133) are distributed at intervals along the edge of the tray (13).
7. The feeding device according to claim 3, characterized in that, It also includes a tray detection structure (3), which includes a light emitter (31) and a light receiver (32); The turntable (11) is provided with a plurality of light emitters (31) at its center. Each light emitter (31) faces the loading position (101), the detection position (102) and each waiting position (103) respectively. Each light emitter (31) emits detection light in the direction it faces. Each worktable (12) is provided with a light receiver (32) facing the center of the turntable (11).
8. The feeding device according to claim 3, characterized in that, It also includes two positioning structures (4), which are located at the loading position (101) and the detection position (102) respectively, and are disposed below the worktable (12); The positioning structure (4) includes a plurality of positioning posts (41). In a first direction, each positioning post (41) can approach or move away from the worktable (12). When the positioning post (41) approaches the worktable (12), the positioning post (41) can abut against the side wall of the tray (13). The first direction is perpendicular to the surface of the worktable (12) used to support the component (5).
9. The feeding device according to claim 8, characterized in that, The positioning structure (4) further includes a lifting member (42) and a support plate (43). In the first direction, the lifting member (42) and the positioning column (41) are located on both sides of the support plate (43) and are fixedly connected to the support plate (43). The lifting member (42) can drive the support plate (43) to reciprocate in the first direction.
10. The feeding device according to claim 9, characterized in that, The positioning structure (4) further includes a base (44) and a plurality of spaced guide posts (45). In the first direction, the base (44) and the lifting member (42) are located on the same side of the support plate (43). Each guide post (45) extends along the first direction. One end of each guide post (45) is slidably connected to the base (44), and the other end is fixedly connected to the support plate (43).
11. The feeding device according to claim 1, characterized in that, The workbench (12) has a weight reduction hole (122) in the middle.
12. A mistake-proofing system, characterized in that, It includes a control unit and a feeding device as described in any one of claims 1-11, wherein the control unit is used to control the rotation of the turntable (11).