Flatness detection device for casting surface
By using a motor to drive a threaded rod to move a threaded cylinder, combined with a laser scanner and a clamp to stabilize the casting, the problem of measurement error caused by uneven casting surface is solved, and high-precision casting flatness detection is achieved.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- SICHUAN GAOLONG MASCH CO LTD
- Filing Date
- 2025-04-09
- Publication Date
- 2026-05-12
AI Technical Summary
Due to factors such as casting process and cooling method, the surface of castings may be uneven, which may prevent laser scanners from scanning the entire surface and cause measurement errors.
The screw rod is driven by a motor to rotate, which in turn moves the screw cylinder, causing the moving plate to move the casting. Combined with a laser scanner, a full scan is achieved, ensuring that the casting is in the same position for each inspection. The casting is then held stably by a clamp.
It enables comprehensive scanning of the casting surface, reduces measurement errors, improves measurement accuracy, and avoids surface damage and interference caused by casting movement.
Smart Images

Figure CN224230945U_ABST
Abstract
Description
Technical Field
[0001] This utility model belongs to the field of casting flatness detection technology, and in particular relates to a device for detecting the flatness of casting surfaces. Background Technology
[0002] A casting surface flatness testing device is a device used to detect whether the surface of a casting is flat during the casting process. During the manufacturing process, due to the influence of factors such as casting process, cooling method and mold, the surface of the casting may be uneven. Flatness is an important factor affecting the quality of the casting and subsequent processing, so it is necessary to test the surface of the casting.
[0003] When inspecting the surface flatness of castings, the laser scanner may not be able to fully scan the surface of the casting due to its large size, which may result in some areas not being able to obtain effective measurement data. Therefore, we propose a device for inspecting the surface flatness of castings. Utility Model Content
[0004] The purpose of this invention is to provide a device for detecting the flatness of casting surfaces. A motor rotates a threaded rod, which in turn moves a threaded cylinder, causing a moving plate to move the casting through a transmission mechanism. This solves the problem of scanning the casting surface more comprehensively.
[0005] To solve the above-mentioned technical problems, this utility model is achieved through the following technical solution:
[0006] This utility model is a device for detecting the flatness of the surface of castings, including a support frame, a detection mechanism at the top of the support frame, and a fixing mechanism at the top of the support frame.
[0007] The detection mechanism includes a connecting plate, a fixed plate fixedly connected to the top of the support frame, a sliding groove inside the fixed plate, a slide bar slidably connected to the inner wall of the sliding groove, a moving plate fixedly connected to one side of the slide bar that is close to each other, a threaded cylinder fixedly connected to the outer surface of the slide bar, a fixed body fixedly connected to the outer surface of the support frame, a motor fixedly connected to the inner wall of the fixed body, a threaded rod fixedly connected to the output shaft of the motor via a coupling, a limit block rotatably connected to the outer surface of the threaded rod, a placement shell slidably connected to the inner wall of the connecting plate, a bolt threadedly connected to the inner wall of the placement shell, and a laser scanner fixedly connected to the inner wall of the placement shell. By using a threaded cylinder that can move on the threaded rod, a more comprehensive scanning of the casting surface can be achieved, accurately reading the height information of various points on the casting surface, reducing errors caused by offset, and thus improving the measurement accuracy.
[0008] Furthermore, the outer surface of the connecting plate is fixedly connected to the outer surface of the support frame, two sliding grooves are provided in total, and the outer surface of the threaded rod is threadedly connected to the inner wall of the threaded cylinder.
[0009] Furthermore, two limiting blocks are provided in total. The outer surface of the limiting block is fixedly connected to the outer surface of the support frame, and the outer surface of the bolt is threadedly connected to the inner wall of the connecting plate.
[0010] Furthermore, the fixing mechanism includes a connecting frame fixedly connected to the top of the motion plate. The connecting frame has a second sliding groove inside. There are two second sliding grooves. A slider is slidably connected to the inner wall of the second sliding groove. A bolt is threadedly connected to the inner wall of the slider.
[0011] Furthermore, the outer surface of the second bolt contacts the outer surface of the connecting frame, a movable plate is fixedly connected to one side of the sliders that are close to each other, a telescopic cylinder is fixedly connected to the bottom of the movable plate, two telescopic cylinders are provided in total, the bottom of the telescopic cylinder is fixedly connected to the inner wall of the connecting frame, and a spring is fixedly connected to the bottom of the movable plate.
[0012] Furthermore, there are two springs in total. The end of the spring away from the moving plate is fixedly connected to the inner wall of the connecting frame. The inner side of the spring is sleeved with the outer surface of the telescopic cylinder. A connecting block is fixedly connected to the outer surface of the moving plate. There are a total of several connecting blocks.
[0013] Furthermore, a rotating cylinder is rotatably connected to the inner wall of the connecting block, and a moving rod is fixedly connected to the outer surface of the rotating cylinder. Several moving rods are provided in total. A fixed shaft is fixedly connected to the inner wall of the moving rod, and a clamping cylinder is fixedly connected to the outer surface of the fixed shaft. Through the clamping cylinders that can approach each other, the casting can be stably clamped, ensuring that the casting is in the same position and state during each test. This ensures that the casting will not move during the measurement process, thereby avoiding surface damage and unnecessary interference.
[0014] Furthermore, a second connecting block is rotatably connected to the outer surface of the fixed shaft, and a plurality of the second connecting blocks are provided. A second moving rod is rotatably connected to the inner wall of the second connecting block, and a third connecting block is rotatably connected to the end of the second moving rod away from the second connecting block. The outer surface of the third connecting block is fixedly connected to the inner wall of the connecting frame.
[0015] This utility model has the following beneficial effects:
[0016] 1. This utility model incorporates a threaded cylinder. When the motor is started, the motor causes the threaded rod to rotate. This rotation causes the threaded cylinder to move away from the motor. The threaded cylinder then drives a slide bar to slide within a groove. The slide bar then moves a moving plate, which in turn moves the casting via a connecting frame. When the casting passes through a laser scanner, the scanner detects its surface flatness. By using a threaded cylinder that can move on the threaded rod, a more comprehensive scan of the casting surface can be achieved, accurately reading the height information of various points on the casting surface, reducing errors caused by offset, and thus improving measurement accuracy.
[0017] 2. This utility model incorporates a clamping sleeve. The casting is placed at the center of the moving plate, and then the casting is pressed down. At this time, the casting will cause the moving plate to move downward, which will then compress the spring. Simultaneously, the telescopic sleeve will retract, and the moving plate will also cause the rotating cylinder to move downward via connecting block one. The rotating cylinder will then cause the moving rod one to move downward, and the moving rod one will then cause the moving rod two to move downward via connecting block two. Through the clamping sleeves that can approach each other, the casting can be stably clamped, ensuring that the casting is in the same position and state during each test. This ensures that the casting will not move during the measurement process, thereby avoiding surface damage and unnecessary interference.
[0018] Of course, any product implementing this utility model does not necessarily need to achieve all of the advantages described above at the same time. Attached Figure Description
[0019] To more clearly illustrate the technical solutions of the embodiments of this utility model, 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 utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.
[0020] Figure 1 This is a schematic diagram of the overall structure of this utility model;
[0021] Figure 2 This is a schematic diagram of the testing mechanism of this utility model;
[0022] Figure 3 This is a schematic diagram of the motion plate structure of this utility model;
[0023] Figure 4 This is a schematic diagram of the shell structure of this utility model;
[0024] Figure 5 This is a schematic diagram of the structure of the laser scanner of this utility model;
[0025] Figure 6This is a schematic diagram of the fixing mechanism of this utility model;
[0026] Figure 7 This is a schematic diagram of the spring structure of this utility model.
[0027] The attached diagram lists the components represented by each number as follows:
[0028] 101. Support frame; 2. Detection mechanism; 201. Connecting plate; 202. Fixing plate; 203. Slide groove one; 204. Slide bar; 205. Moving plate; 206. Threaded cylinder; 207. Fixing body; 208. Motor; 209. Threaded rod; 210. Limiting block; 211. Placement shell; 212. Bolt one; 213. Laser scanner; 3. Fixing mechanism; 301. Connecting frame; 302. Slide groove two; 303. Slider; 304. Bolt two; 305. Moving plate; 306. Telescopic cylinder; 307. Spring; 308. Connecting block one; 309. Rotating cylinder; 310. Moving rod one; 311. Fixing shaft; 312. Connecting block two; 313. Clamping cylinder; 314. Moving rod two; 315. Connecting block three. Detailed Implementation
[0029] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of the present utility model.
[0030] Please see Figure 1-7As shown, this utility model is a device for detecting the flatness of a casting surface, including a support frame 101, a detection mechanism 2 disposed on the top of the support frame 101, and a fixing mechanism 3 disposed on the top of the support frame 101. The detection mechanism 2 includes a connecting plate 201, and a fixing plate 202 is fixedly connected to the top of the support frame 101. The fixing plate 202 is connected to the support frame 101, and the support frame 101 fixes the position of the fixing plate 202. A sliding groove 203 is formed inside the fixing plate 202. A slide bar 204 is slidably connected to the inner wall of slide groove 203. A moving plate 205 is fixedly connected to one side of the slide bar 204 that is close to each other. A threaded cylinder 206 is fixedly connected to the outer surface of the slide bar 204. The slide bar 204 is connected to slide groove 203, and then the slide bar 204 can slide within slide groove 203. A fixed body 207 is fixedly connected to the outer surface of support frame 101. A motor 208 is fixedly connected to the inner wall of fixed body 207. The output shaft of motor 208 is fixedly connected to a threaded rod 20 through a coupling. 9. A limit block 210 is rotatably connected to the outer surface of the threaded rod 209. The threaded rod 209 is connected via a motor 208, which causes the threaded rod 209 to rotate. A placement shell 211 is slidably connected to the inner wall of the connecting plate 201. A bolt 212 is threadedly connected to the inner wall of the placement shell 211. A laser scanner 213 is fixedly connected to the inner wall of the placement shell 211. The outer surface of the connecting plate 201 is fixedly connected to the outer surface of the support frame 101. The laser scanner 213 is connected via the placement shell 211. Next, the housing 211 is placed to fix the position of the laser scanner 213. There are two slides 203. The outer surface of the threaded rod 209 is threaded to the inner wall of the threaded cylinder 206. There are two limit blocks 210. The outer surface of the limit block 210 is fixedly connected to the outer surface of the support frame 101. The outer surface of the bolt 212 is threaded to the inner wall of the connecting plate 201. The connecting plate 201 is connected by the bolt 212. Then the bolt 212 can fix the housing 211.
[0031] The fixing mechanism 3 includes a connecting frame 301 fixedly connected to the top of the moving plate 205. The connecting frame 301 has two sliding grooves 302 inside. A slider 303 is slidably connected to the inner wall of each sliding groove 302. The slider 303 can slide within the sliding groove 302. A bolt 304 is threaded onto the inner wall of each slider 303, and the outer surface of the bolt 304 contacts the outer surface of the connecting frame 301. A movable plate 305 is fixedly connected to one side of the sliders 303 that is close to each other. A telescopic cylinder 306 is fixedly connected to the bottom of the movable plate 305. The slider 303 connects to the movable plate 305, and the slider 303 moves the movable plate 305 accordingly. The telescopic cylinder 306 has two components. The bottom of the telescopic cylinder 306 is fixedly connected to the inner wall of the connecting frame 301. The bottom of the moving plate 305 is fixedly connected to a spring 307. There are two springs 307. The moving plate 305 connects to the springs 307, and the moving plate 305 can compress the springs 307. The end of the spring 307 away from the moving plate 305 is fixedly connected to the inner wall of the connecting frame 301. The inner side of the spring 307 is sleeved on the outer surface of the telescopic cylinder 306. The outer surface of the moving plate 305 is fixedly connected to a connecting block 308. There are several connecting blocks 308. The telescopic cylinder 306 is connected to the springs 307, and the telescopic cylinder 306 restricts the movement trajectory of the springs 307.
[0032] A rotating cylinder 309 is rotatably connected to the inner wall of connecting block 308. A moving rod 310 is fixedly connected to the outer surface of the rotating cylinder 309. Several moving rods 310 are provided. A fixed shaft 311 is fixedly connected to the inner wall of each moving rod 310. The moving rods 310 connect to the fixed shaft 311, allowing the fixed shaft 311 to move together. A clamping sleeve 313 is fixedly connected to the outer surface of the fixed shaft 311. A connecting block 312 is rotatably connected to the outer surface of the fixed shaft 311. Several such blocks are provided. The connecting blocks 2 and 312 are connected by a fixed shaft 311. The connecting blocks 2 and 312 can rotate on the fixed shaft 311. The inner wall of the connecting blocks 2 and 312 is rotatably connected to a moving rod 2 and 314. The end of the moving rod 2 and 314 away from the connecting blocks 2 and 312 is rotatably connected to a connecting block 3 and 315. The outer surface of the connecting block 3 and 315 is fixedly connected to the inner wall of the connecting frame 301. The moving rod 2 and 314 are connected to the connecting blocks 3 and 315. The moving rod 2 and 314 can rotate on the connecting blocks 3 and 315.
[0033] One specific application of this embodiment is:
[0034] When the operator needs to use the equipment, the casting to be inspected is first fixed by the fixing mechanism 3. The casting is placed at the center of the moving plate 305, and then the casting is pressed down. At this time, the casting will drive the moving plate 305 to move downward, and then the moving plate 305 will compress the spring 307. At the same time, the telescopic cylinder 306 will also retract. At this time, the moving plate 305 will also drive the rotating cylinder 309 to move downward through the connecting block 1 308. Then the rotating cylinder 309 will drive the moving rod 1 310 to move downward. At this time, the moving rod 1 310 will drive the moving rod 2 314 to move downward through the connecting block 2 312. At the same time, the moving rod 2 314 will also rotate within the connecting block 3 315. Then the moving rod 2 314 will push the connecting block 2 312, thereby causing the clamping cylinders 313 to move closer to each other to clamp the casting. This achieves stable clamping of the casting, ensuring that the casting is in the same position and state each time it is inspected, and ensuring the casting... The workpiece will not move during the measurement process, thus avoiding surface damage and unnecessary interference. After the clamping is stable, the second bolt 304 can be tightened in the slider 303. At this time, the second bolt 304 will fix the position of the moving plate 305. Then the motor 208 is started. The motor 208 will cause the threaded rod 209 to rotate. Then the rotation of the threaded rod 209 will cause the threaded cylinder 206 to move away from the motor 208. At this time, the threaded cylinder 206 will drive the slide bar 204 to slide in the first slide groove 203. Then the slide bar 204 will drive the moving plate 205 to move, which in turn causes the moving plate 205 to drive the casting to move through the connecting frame 301. When the casting passes through the laser scanner 213, the laser scanner 213 will detect its surface flatness, achieving a more comprehensive scanning of the casting surface, accurately reading the height information of each point on the casting surface, reducing the error caused by offset, and thus improving the measurement accuracy.
[0035] In the description of this specification, references to terms such as "an embodiment," "example," "specific example," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.
[0036] The preferred embodiments of this utility model disclosed above are merely illustrative of the present utility model. These preferred embodiments do not exhaustively describe all details, nor do they limit the utility model to the specific implementations described. Clearly, many modifications and variations can be made based on the content of this specification. This specification selects and specifically describes these embodiments to better explain the principles and practical applications of this utility model, thereby enabling those skilled in the art to better understand and utilize it. This utility model is limited only by the claims and their full scope and equivalents.
Claims
1. A device for detecting the flatness of a casting surface, comprising a support frame (101), characterized in that: The top of the support frame (101) is provided with a detection mechanism (2), and the top of the support frame (101) is provided with a fixing mechanism (3). The detection mechanism (2) includes a connecting plate (201), a fixing plate (202) is fixedly connected to the top of the support frame (101), a sliding groove (203) is provided inside the fixing plate (202), a sliding strip (204) is slidably connected to the inner wall of the sliding groove (203), a moving plate (205) is fixedly connected to one side of the sliding strips (204) that are close to each other, a threaded cylinder (206) is fixedly connected to the outer surface of the sliding strips (204), and a fixed plate (205) is fixedly connected to the outer surface of the support frame (101). A fixed body (207) is fixedly connected to a motor (208) on its inner wall. The output shaft of the motor (208) is fixedly connected to a threaded rod (209) via a coupling. A limit block (210) is rotatably connected to the outer surface of the threaded rod (209). A placement shell (211) is slidably connected to the inner wall of the connecting plate (201). A bolt (212) is threadedly connected to the inner wall of the placement shell (211). A laser scanner (213) is fixedly connected to the inner wall of the placement shell (211). The outer surface of the connecting plate (201) is fixedly connected to the outer surface of the support frame (101). There are two slide grooves (203). The outer surface of the threaded rod (209) is threadedly connected to the inner wall of the threaded cylinder (206).
2. The device for detecting the flatness of a casting surface according to claim 1, characterized in that, There are two limiting blocks (210). The outer surface of the limiting block (210) is fixedly connected to the outer surface of the support frame (101), and the outer surface of the bolt (212) is threadedly connected to the inner wall of the connecting plate (201).
3. The device for detecting the flatness of a casting surface according to claim 1, characterized in that, The fixing mechanism (3) includes a connecting frame (301) fixedly connected to the top of the motion plate (205). The connecting frame (301) has a sliding groove (302) inside. There are two sliding grooves (302). A slider (303) is slidably connected to the inner wall of the sliding groove (302). A bolt (304) is threadedly connected to the inner wall of the slider (303).
4. The device for detecting the flatness of a casting surface according to claim 3, characterized in that, The outer surface of the second bolt (304) contacts the outer surface of the connecting frame (301). A movable plate (305) is fixedly connected to one side of the sliders (303) that are close to each other. A telescopic cylinder (306) is fixedly connected to the bottom of the movable plate (305). There are two telescopic cylinders (306). The bottom of the telescopic cylinder (306) is fixedly connected to the inner wall of the connecting frame (301). A spring (307) is fixedly connected to the bottom of the movable plate (305).
5. The device for detecting the flatness of a casting surface according to claim 4, characterized in that, Two springs (307) are provided. The end of the spring (307) away from the moving plate (305) is fixedly connected to the inner wall of the connecting frame (301). The inner side of the spring (307) is sleeved with the outer surface of the telescopic cylinder (306). A connecting block (308) is fixedly connected to the outer surface of the moving plate (305). A number of connecting blocks (308) are provided.
6. The device for detecting the flatness of a casting surface according to claim 5, characterized in that, The inner wall of the connecting block (308) is rotatably connected to a rotating cylinder (309), and the outer surface of the rotating cylinder (309) is fixedly connected to a moving rod (310). There are several moving rods (310). The inner wall of the moving rod (310) is fixedly connected to a fixed shaft (311), and the outer surface of the fixed shaft (311) is fixedly connected to a clamp (313).
7. The device for detecting the flatness of a casting surface according to claim 6, characterized in that, The outer surface of the fixed shaft (311) is rotatably connected to a connecting block two (312), and a number of connecting blocks two (312) are provided. The inner wall of the connecting block two (312) is rotatably connected to a moving rod two (314), and the end of the moving rod two (314) away from the connecting block two (312) is rotatably connected to a connecting block three (315). The outer surface of the connecting block three (315) is fixedly connected to the inner wall of the connecting frame (301).