Three-coordinate detection device for plastic products

Abstract

The utility model discloses a three-coordinate detection device for plastic products, which comprises a detection table and a detection equipment body, a positioning plate is mounted at the top of the detection table, two support plates I are arranged at the top of the positioning plate in a sliding manner, and a driving assembly for driving the two support plates I to move is arranged on the positioning plate. A plurality of inserting holes are formed in the upper end faces of the two first supporting plates, a plurality of connecting parts are installed on the first supporting plates, one ends of the connecting parts are matched with the inserting holes, locking bolts are arranged on the side walls of the first supporting plates in a threaded fit mode, the connecting parts are fixed to the first supporting plates through the locking bolts, and connecting pieces are hinged to the ends, away from the first supporting plates, of the connecting parts. A clamping device is arranged at the end, away from the connecting part, of the connecting piece, and the problems that existing clamping equipment is single in structure, products of different sizes cannot be clamped, the clamping equipment needs to be replaced to clamp different products, and operation is tedious are solved.

Description

Technical Field

[0001] This utility model relates to the field of testing equipment for plastic products, and in particular to a coordinate measuring machine (CMM) device for testing plastic products. Background Technology

[0002] Plastic products are a general term for daily and industrial products made primarily of plastic. They include all products manufactured using processes such as injection molding and thermoforming, and are composed of synthetic resins and additives such as fillers, plasticizers, stabilizers, lubricants, and colorants.

[0003] During the injection molding process, plastic products may exhibit dimensional deviations due to factors such as mold thermal expansion and contraction, and material flowability. Therefore, plastic products need to be inspected before leaving the factory. In a highly competitive market, high-quality products are key to a company's competitive advantage. To improve the inspection accuracy of plastic products, coordinate measuring machines (CMMs) are often used for inspection of products with strict quality requirements, ensuring that the products achieve the expected performance and function during assembly and use. However, since most plastic products have irregular structures, placing them neatly on the inspection table is not conducive to subsequent inspection. To better inspect plastic products, CMMs use clamping devices to support and hold the products. However, existing clamping devices have relatively simple structures, making it impossible to clamp products of different sizes. When inspecting different models of products, the clamping devices need to be changed, which is cumbersome and reduces inspection efficiency. To address these issues, a solution is proposed below. Utility Model Content

[0004] The purpose of this invention is to provide a coordinate measuring machine for plastic products, in order to solve the problems mentioned in the background art.

[0005] The above-mentioned technical objective of this utility model is achieved through the following technical solution:

[0006] A coordinate measuring machine (CMM) for inspecting plastic products includes an inspection table and an inspection device body mounted on top of the inspection table. The top of the inspection table has multiple positioning holes arranged in an array. A positioning plate is mounted on the top of the inspection table, and multiple limiting posts are mounted on the bottom of the positioning plate. Each limiting post engages with a positioning hole. Two support plates are slidably mounted on the top of the positioning plate. The positioning plate has a drive assembly for moving the two support plates. Multiple insertion holes are opened on the upper surfaces of the two support plates. Multiple connecting parts are mounted on the support plates, with one end of each connecting part engaging with an insertion hole. Locking bolts are threaded onto the sidewalls of the support plates. The connecting parts are fixed to the support plates by the locking bolts. A connecting member is hinged to the end of each connecting part away from the support plate, and a clamping device is provided at the end of the connecting member away from the connecting part.

[0007] Preferably, the drive assembly includes a double-ended screw, two sliding plates, and a rotating handwheel. The positioning plate has a cavity inside, and the double-ended screw is rotatably disposed within the cavity. The top of the positioning plate has a groove communicating with the cavity. The two sliding plates are slidably disposed at both ends of the groove, and the bottoms of the two sliding plates are threadedly engaged with both ends of the double-ended screw. The sliding plates slide through the double-ended screw. The rotating handwheel is disposed on the side wall of the positioning plate, and a connecting rod is installed on the side wall of the rotating handwheel. One end of the connecting rod passes through the positioning plate and is fixedly connected to the double-ended screw. The support plate is fixed to the top of the sliding plates.

[0008] Preferably, the clamping device includes a second support plate, two clamping plates, and two rubber pads. The second support plate is fixed to the side wall of the connector. Both clamping plates are installed on the side of the second support plate away from the connector. One clamping plate is fixed to the second support plate, and the other clamping plate is slidably disposed on the second support plate. The second support plate is provided with a pusher for moving the clamping plates. The two rubber pads are respectively fixed on the opposite surfaces of the two clamping plates.

[0009] Preferably, the pushing component is an adjusting bolt, and a sliding groove is provided on the side wall of the second support plate. One end of the clamping plate is slidably disposed in the sliding groove. The adjusting bolt is threadedly engaged with the second support plate, and one end of the adjusting bolt is rotatably disposed in the sliding groove. The adjusting bolt is rotatably engaged with the clamping plate.

[0010] Preferably, the connecting part includes a first plug rod, one end of which is fixed with a first plug block, the first plug block being slidably disposed in the plug hole, and the end of the first plug rod away from the first support plate being hinged to the connecting member.

[0011] Preferably, the connecting part includes a second plug-in rod, one end of which is fixed with a second plug-in block, and the end of the second plug-in rod away from the first support plate is rotatably connected to a second connecting rod. One end of the second connecting rod is plugged into the second plug-in rod, and the second connecting rod can be fixed to the second plug-in rod with bolts. Both ends of the second connecting rod are equipped with third connecting rods, and the end of the third connecting rod away from the second connecting rod is hinged to the connecting member.

[0012] Beneficial effects: When testing plastic products, a suitable connecting part can be selected according to the size of the plastic product, and the connecting part can be connected to the support plate. When clamping, the drive assembly can be started first, which will drive the support plates on both sides to move, so that the support plates can move the clamping device to adapt to the width of the plastic product. The movable setting of the support plate allows it to adapt to plastic products of different widths, and the quick-change setting of the connecting part allows the use of plastic products of different lengths, ensuring the clamping of the plastic products. Attached Figure Description

[0013] Figure 1 This is a schematic diagram of the structure of an embodiment;

[0014] Figure 2 This is a schematic diagram illustrating the positions of the beam and the clamp in an embodiment.

[0015] Figure 3 This is a schematic diagram illustrating the structure of the connecting part, the pushing member, and the second support plate in Embodiment 1;

[0016] Figure 4 This is a schematic diagram illustrating the structure of the connecting part in Embodiment 2;

[0017] Figure 5 This is a schematic diagram illustrating the structure of support plate one in an embodiment.

[0018] Reference numerals in the attached drawings: 1. Testing table; 2. Testing equipment body; 3. Positioning hole; 4. Positioning plate; 5. Limiting post; 6. Support plate one; 7. Drive assembly; 8. Insertion hole; 9. Connecting part; 10. Connecting piece; 11. Clamping device; 12. Double-ended screw; 13. Slide plate; 14. Rotating handwheel; 15. Slide groove one; 16. Support plate two; 17. Clamping plate; 18. Pushing piece; 19. Slide groove two; 20. Insertion rod one; 21. Insertion rod two; 22. Connecting rod two; 23. Connecting rod three. Detailed Implementation

[0019] In Example 1, see Figure 1 , 2 As shown in 3 and 5:

[0020] A coordinate measuring machine (CMM) for inspecting plastic products includes a testing platform 1 and a testing equipment body 2 mounted on top of the testing platform 1. The testing platform 1 has multiple positioning holes 3 arranged in an array on its top. A positioning plate 4 is mounted on the top of the testing platform 1, and multiple limiting posts 5 are mounted on the bottom of the positioning plate 4. Each limiting post 5 cooperates with a positioning hole 3. When inspecting plastic products, the positioning plate 4 is first placed on the testing platform 1. The positioning plate 4 is installed on the testing platform 1 via the limiting posts 5 at its bottom. The limiting posts 5 are two concentrically stacked cylinders, with the diameter of the upper cylinder larger than the diameter of the lower cylinder. Therefore, after the positioning plate 4 is installed, a gap is left between the positioning plate 4 and the testing platform 1, facilitating subsequent replacement of the positioning plate 4 according to different inspection requirements. After the positioning plate 4 is installed, its flatness can be checked using a level to ensure that the positioning plate 4 is installed horizontally.

[0021] The top of the positioning plate 4 is slidably provided with two support plates 6. The positioning plate 4 is provided with a drive assembly 7 for moving the two support plates 6. After the positioning plate 4 is installed, the drive assembly 7 can be activated to drive the two support plates 6 to slide, so that the position of the support plates 6 can be adjusted according to the size of the plastic product.

[0022] The drive assembly 7 includes a double-ended screw 12, two sliding plates 13, and a rotating handwheel 14. The positioning plate 4 has an internal cavity, within which the double-ended screw 12 is rotatably mounted. A groove 15 communicating with the cavity is located on the top of the positioning plate 4. The two sliding plates 13 are slidably mounted at both ends of the groove 15, and their bottoms are threaded into the ends of the double-ended screw 12. The sliding plates slide via the double-ended screw 12. The rotating handwheel 14 is mounted on the side wall of the positioning plate 4, and a connecting rod is installed on the side wall of the rotating handwheel 14. One end of the connecting rod passes through the positioning plate 4 and is fixedly connected to the double-ended screw 12. The support plate 6 is fixed on the top of the slide plate 13. When it is necessary to adjust the distance between the two support plates 6, the handwheel 14 can be turned manually. Turning the handwheel 14 will drive the connecting rod to rotate, which will drive the double-ended screw 12 to rotate. The double-ended screw 12 can drive the slide plate 13, which is threaded with it, to slide in the cavity and the slide groove 15. The sliding of the slide plate 13 will drive the top support plate 6 to move.

[0023] A row of insertion holes 8 is opened on the upper surface of the two support plates 16. Multiple connecting parts 9 are installed on the support plates 16. One end of the connecting part 9 is engaged with the insertion hole 8. Locking bolts are threaded on the side wall of the support plates 16. Before the support plates 16 slide, the connecting parts 9 can be inserted at different heights of the support plates 16 according to the height of the plastic product. The connecting parts 9 are fixed to the support plates 16 by the locking bolts. A connecting piece 10 is hinged to the end of the connecting part 9 away from the support plates 16. A clamping device 11 is provided at the end of the connecting piece 10 away from the connecting part 9. After the support plates 16 are moved to the designated position, the plastic product will be located between the clamping devices on both sides. The clamping devices 11 on both sides are used to clamp the plastic product.

[0024] The clamping device 11 includes a second support plate 16, two clamping plates 17, and two rubber pads. The second support plate 16 is fixed to the side wall of the connector 10. Both clamping plates 17 are installed on the side of the second support plate 16 away from the connector 10. One clamping plate 17 is fixed to the second support plate 16, and the other clamping plate 17 is slidably disposed on the second support plate 16. The second support plate 16 is provided with a pusher 18 for moving the clamping plates 17. The two rubber pads are respectively fixed on the opposite surfaces of the two clamping plates 17. When it is necessary to clamp the plastic product, the pusher 18 can be manually rotated. The pusher 18 drives one clamping plate 17 to slide on the second support plate 16. Through the sliding of the clamping plates 17, the two clamping plates 17 can cooperate to clamp the product. By installing rubber pads on the clamping plates 17, damage to the plastic product is prevented during the clamping process.

[0025] The pusher 18 uses an adjusting bolt. The side wall of the support plate 16 has a sliding groove 19. One end of the clamping plate 17 is slidably disposed in the sliding groove 19. The adjusting bolt is threadedly engaged with the support plate 16. One end of the adjusting bolt is rotatably disposed in the sliding groove 19. The adjusting bolt is rotatably engaged with the clamping plate 17. When it is necessary to adjust the position of the clamping plate 17, the adjusting bolt can be rotated. The adjusting bolt pushes the clamping plate 17 to slide in the sliding groove 19, thereby achieving the clamping of plastic products.

[0026] The connecting part 9 includes a plug rod 20, one end of which is fixed with a plug block 1. The plug block 1 is slidably disposed in the insertion hole 8. The end of the plug rod 20 away from the support plate 6 is hinged to the connector 10. The plug block 1 has a cylindrical structure, which allows the plug rod 20 to be rotated and installed through the plug block 1, thereby driving the clamping device 11 to adjust the angle, so that the clamping device 11 can better adapt to plastic products. When the plug rod 20 drives the plug block 1 to rotate to a suitable angle, the plug block 1 can be limited by the locking bolt. The locking bolt is fixed by abutting against the plug block 1.

[0027] Example 2, see Figure 4As shown:

[0028] Unlike Embodiment 1, the connecting part 9 may further include a second insertion rod 21. One end of the second insertion rod 21 is fixed with a second insertion block. When the length of the plastic product is long and the first insertion rod 20 cannot effectively clamp the plastic product, the second insertion rod 21 can be used. The second insertion rod 21 is connected to the support plate 6 via the second insertion block. The second insertion block has the same structure as the first insertion block. A connecting rod 22 is rotatably mounted on the end of the second insertion rod 21 away from the support plate 6. One end of the connecting rod 22 is inserted into the second insertion rod 21. The connecting rod 22 can be fixed to the second insertion rod 21 with bolts. The connection rod 22 is fixed to the second insertion rod 21 with bolts, allowing the connecting rod 22 to be adjusted according to actual needs. The length of the plastic product is replaced to improve the practicality of the connecting part 9. Both ends of the connecting rod 22 are equipped with connecting rod 3 23. The end of the connecting rod 3 23 away from the connecting rod 22 is hinged to the connecting part 10. The connecting rod 3 23 and the connecting rod 22 are also rotated. The connecting rod 22 is provided with fixing bolts for fixing the connecting rod 3 23. When assembling the connecting rod 3 23, one end of the connecting rod 3 23 can be inserted into the connecting rod 22. By rotating the connecting rod 3 23, the clamping device 11 on the other side of the connecting rod 3 23 can be rotated, so that the clamping device 11 can better adapt to the plastic product. After rotating to the designated position, the connecting rod 3 23 is fixed to the connecting rod 22 by bolts.

Claims

1. A three-coordinate measuring device for plastic products, comprising a measuring table (1) and a measuring device body (2) mounted on top of the measuring table (1), characterized in that, The top of the testing platform (1) is provided with multiple positioning holes (3), which are arranged in an array. A positioning plate (4) is installed on the top of the testing platform (1), and multiple limiting posts (5) are installed on the bottom of the positioning plate (4). Each limiting post (5) cooperates with each positioning hole (3). Two support plates (6) are slidably arranged on the top of the positioning plate (4). The positioning plate (4) is provided with a driving component (7) for moving the two support plates (6). Multiple insertion holes (8) are provided on the upper surface of the support plate (6). Multiple connecting parts (9) are installed on the support plate (6). One end of the connecting part (9) is engaged with the insertion hole (8). A locking bolt is threaded on the side wall of the support plate (6). The connecting part (9) is fixed to the support plate (6) by the locking bolt. A connecting piece (10) is hinged to the end of the connecting part (9) away from the support plate (6). A clamping device (11) is provided at the end of the connecting piece (10) away from the connecting part (9).

2. The three-dimensional measuring device for plastic products according to claim 1, wherein The drive assembly (7) includes a double-ended screw (12), two sliding plates (13), and a rotating handwheel (14). The positioning plate (4) has a cavity inside. The double-ended screw (12) is rotatably disposed in the cavity. The top of the positioning plate (4) has a groove (15) communicating with the cavity. The two sliding plates (13) are slidably disposed at both ends of the groove (15). The bottom of the two sliding plates (13) is threadedly engaged with both ends of the double-ended screw (12). The sliding plates slide through the double-ended screw (12). The rotating handwheel (14) is disposed on the side wall of the positioning plate (4). A connecting rod is installed on the side wall of the rotating handwheel (14). One end of the connecting rod passes through the positioning plate (4) and is fixedly connected to the double-ended screw (12). The support plate (6) is fixed to the top of the sliding plate (13).

3. The apparatus according to claim 1, wherein The clamping device (11) includes a second support plate (16), two clamping plates (17) and two rubber pads. The second support plate (16) is fixed on the side wall of the connector (10). The two clamping plates (17) are installed on the side of the second support plate (16) away from the connector (10). One clamping plate (17) is fixed on the second support plate (16), and the other clamping plate (17) is slidably disposed on the second support plate (16). The second support plate (16) is provided with a pusher (18) for pushing the clamping plates (17) to move. The two rubber pads are respectively fixed on the opposite surfaces of the two clamping plates (17).

4. The apparatus according to claim 3, wherein The pusher (18) is an adjusting bolt. The side wall of the support plate (16) is provided with a sliding groove (19). One end of the clamping plate (17) is slidably disposed in the sliding groove (19). The adjusting bolt is threadedly engaged with the support plate (16). One end of the adjusting bolt is rotatably disposed in the sliding groove (19). The adjusting bolt is rotatably engaged with the clamping plate (17).

5. The apparatus according to claim 1, wherein The connecting part (9) includes a first plug rod (20), one end of which is fixed with a first plug block, the first plug block being slidably disposed in the plug hole (8), and the end of the first plug rod (20) away from the first support plate (6) being hinged to the connecting member (10).

6. The apparatus according to claim 1, wherein The connecting part (9) includes a second plug rod (21), one end of which is fixed with a second plug block. A second connecting rod (22) is rotatably provided at the end of the second plug rod (21) away from the first support plate (6). One end of the second connecting rod (22) is inserted into the second plug rod (21). The second connecting rod (22) can be fixed to the second plug rod (21) by bolts. A third connecting rod (23) is installed at both ends of the second connecting rod (22). The end of the third connecting rod (23) away from the second connecting rod (22) is hinged to the connecting member (10).

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