A detection platform for the perpendicularity of a cylinder

Abstract

This utility model relates to the field of testing platform technology, specifically to a testing platform for the perpendicularity of a cylinder. It includes a fixed base with two first rotating slots at its top. A first rotating shaft and a second rotating shaft are rotatably connected to the two first rotating slots, respectively. A storage tray is fixedly connected to one end of each first rotating shaft extending through the first rotating slots to the outside of the fixed base. A magnet is fixedly connected to the inner cavity of the upper end of the storage tray. A metal cylinder is placed in the middle of the storage tray. A threaded sleeve is fixedly connected to one end of the second rotating shaft extending through the first rotating slots to the outside of the fixed base. A threaded rod is threadedly connected to the inside of the threaded sleeve. Compared to existing technologies, this application offers a simpler testing method, is less affected by the end face area of ​​the metal cylinder, improves the accuracy of detecting the perpendicularity of the metal cylinder's end face, and allows the dial indicator to measure metal cylinders with various height and diameter values, thus enhancing the practicality of the testing platform.

Description

Technical Field

[0001] This utility model relates to the field of testing platform technology, and in particular to a testing platform for the perpendicularity of a cylinder. Background Technology

[0002] Perpendicularity is a tolerance requirement in directional tolerance that controls the angle between the measured element and the reference element to be 90°. It is divided into perpendicularity requirements for a given plane, a given direction, and arbitrary directions, and is represented by symbols. According to the characteristics of the measured element and the reference element, perpendicularity evaluates the perpendicularity between lines, between planes, or between a line and a plane. One of the lines or planes is the evaluation reference. The line can be the straight part of the measured sample or the straight trajectory of its movement, and the plane can be the planar part of the measured sample or the plane formed by its movement trajectory.

[0003] In the prior art, Chinese Patent No. CN209371981U discloses a portable cylinder perpendicularity testing device. This device is simple to assemble, has low manufacturing costs, is easy and quick to operate, provides accurate, reliable, and intuitive readings, is lightweight, and easy to carry. Furthermore, it can reflect the direction and specific location of any non-perpendicularity of the measured part through measurement data, facilitating the identification of the cause of non-perpendicularity, convenient adjustment of processing equipment, ensuring product processing quality, and improving production efficiency. However, in practical applications, most current market methods for detecting the perpendicularity of metal cylinders use testing platforms. These platforms typically employ a method of fixing the cylinder and measuring the end face data. This method is inaccurate when the end face of the cylinder is small. Therefore, we disclose a cylinder perpendicularity testing platform. Utility Model Content

[0004] In view of this, the purpose of this utility model is to propose a detection platform for the perpendicularity of a cylinder, so as to solve the problem of insufficient detection accuracy when the end face of the cylinder is small.

[0005] To achieve the above objectives, this utility model provides a cylindrical perpendicularity testing platform, comprising a fixed base. Two first rotating grooves are formed at the top of the fixed base. A first rotating shaft and a second rotating shaft are rotatably connected to the two first rotating grooves respectively. A storage tray is fixedly connected to one end of the first rotating shaft extending through the first rotating grooves to the outside of the fixed base. A magnet is fixedly connected to the inner cavity at the upper end of the storage tray. A metal cylinder is placed in the middle of the storage tray. A threaded sleeve is fixedly connected to one end of the second rotating shaft extending through the first rotating grooves to the outside of the fixed base. A threaded rod is threadedly connected to the threaded sleeve. A connecting frame is fixedly connected to the top of the threaded rod. A movable plate is slidably connected to the top of the connecting frame. A dial indicator is fixedly connected to the middle of the movable plate. The measuring head of the dial indicator is in contact with the outer wall of the top of the metal cylinder.

[0006] Preferably, the movable plate is a T-shaped plate, and several limiting slots are provided on both sides of the movable plate. Several limiting blocks are fixedly connected to both ends of the middle part of the connecting frame, and the limiting slots and the limiting blocks are movably engaged.

[0007] Preferably, a limiting frame is fixedly connected to the top end of the threaded rod, and limiting rods are slidably sleeved on both sides of the limiting frame, with the limiting rods being fixedly connected to the fixed base.

[0008] Preferably, the outer walls of the storage tray and the threaded sleeve are both fixedly connected with several anti-slip ridges and neither of them contacts the limiting rod. The first rotating groove is a T-shaped groove, and both the first rotating shaft and the second rotating shaft are T-shaped shafts.

[0009] Preferably, a plurality of fixing plates are fixedly connected to the top of the storage tray, and a telescopic sleeve rod is fixedly connected to the upper end of the fixing plate. A cylindrical rod is fixedly connected to one end of the telescopic sleeve rod, and the cylindrical rod fits against the outer surface of the metal cylinder.

[0010] Preferably, the telescopic sleeve includes a telescopic rod and a spring, the telescopic rod is sleeved inside the spring, and both ends of the telescopic rod and the spring are respectively fixedly connected to the fixed plate and the cylindrical rod, the cylindrical rod being an arc-shaped rod.

[0011] Preferably, a second rotating groove is provided at the bottom end of the first rotating groove, and a plurality of annularly distributed spheres are movably engaged on the outer side of the bottom end of the first rotating shaft. The second rotating groove is annular and is disposed within the second rotating groove.

[0012] The beneficial effects of this utility model are as follows: The fixed base restricts the rotation positions of the first and second rotating shafts through the first rotating groove. The first rotating shaft fixes the positions of the tray and the magnet, allowing the magnet to attract the metal cylinder placed vertically in the middle of the tray. This causes one end face of the metal cylinder to fit against the tray, fixing the position of the metal cylinder. The second rotating shaft fixes the position of the threaded sleeve, allowing the threaded rod to move up and down within the threaded sleeve. This fixes the relative position of the threaded rod and the connecting frame, allowing the moving plate to move along the connecting frame with the dial indicator. This causes the measuring head of the dial indicator to fit against the outer wall of the top of the metal cylinder. Then, the tray is rotated, causing the tray to rotate the metal cylinder. This allows the dial indicator to measure the data around the outer wall of the metal cylinder, thus determining the perpendicularity of the metal cylinder to the contact end face of the tray. The detection method is simple, less affected by the end face area of ​​the metal cylinder, and improves the detection accuracy of the perpendicularity of the metal cylinder end face. This allows the dial indicator to measure metal cylinders with various height and diameter values, enhancing the practicality of the detection platform.

[0013] The tray restricts the position of the cylindrical rod through a fixed plate and a telescopic sleeve, thus limiting the swaying of the metal cylinder and preventing it from shaking when rotating when the measured height of the metal cylinder is high. This further improves the accuracy of the metal cylinder detection. The telescopic sleeve can drive the cylindrical rod to extend and retract, allowing it to fit various sizes of metal cylinders, making it more practical. Attached Figure Description

[0014] To more clearly illustrate the technical solutions in this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only for this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0015] Figure 1 This is a schematic diagram of an embodiment of the present utility model;

[0016] Figure 2 This is a partially cut-away three-dimensional structural diagram of the storage tray of this utility model;

[0017] Figure 3 This is a partially cut-away three-dimensional structural diagram of the connecting frame of this utility model;

[0018] Figure 4 This is a partially cut-out three-dimensional structural diagram of the fixed base of this utility model.

[0019] The diagram is marked as follows:

[0020] 1. Fixed base; 2. First rotating groove; 3. First rotating shaft; 4. Storage tray; 5. Magnet piece; 6. Second rotating shaft; 7. Threaded sleeve; 8. Threaded rod; 9. Connecting frame; 10. Moving plate; 11. Dial indicator; 12. Limiting frame; 13. Limiting rod; 14. Limiting slot; 15. Limiting block; 16. Fixed plate; 17. Telescopic sleeve rod; 18. Cylindrical rod; 19. Metal cylinder; 20. Sphere; 21. Second rotating groove. Detailed Implementation

[0021] To make the objectives, technical solutions, and advantages of this utility model clearer, the present utility model will be further described in detail below with reference to specific embodiments.

[0022] It should be noted that, unless otherwise defined, the technical or scientific terms used in this utility model should have the ordinary meaning understood by one of ordinary skill in the art to which this utility model pertains. The terms "first," "second," and similar terms used in this utility model do not indicate any order, quantity, or importance, but are merely used to distinguish different components. Terms such as "comprising" or "including" mean that the element or object preceding the word encompasses the elements or objects listed following the word and their equivalents, without excluding other elements or objects. Terms such as "connected" or "linked" are not limited to physical or mechanical connections, but can include electrical connections, whether direct or indirect. Terms such as "upper," "lower," "left," and "right" are used only to indicate relative positional relationships; when the absolute position of the described object changes, the relative positional relationship may also change accordingly.

[0023] like Figures 1-4As shown, a cylindrical perpendicularity testing platform includes a fixed base 1. Two first rotating grooves 2 are formed at the top of the fixed base 1. A first rotating shaft 3 and a second rotating shaft 6 are rotatably connected within the two first rotating grooves 2, respectively. A storage tray 4 is fixedly connected to one end of the first rotating shaft 3 extending through the first rotating grooves 2 and outside the fixed base 1. A magnet 5 is fixedly connected to the inner cavity at the upper end of the storage tray 4. A metal cylinder 19 is placed in the middle of the storage tray 4. A threaded sleeve 7 is fixedly connected to one end of the second rotating shaft 6 extending through the first rotating grooves 2 and outside the fixed base 1. A threaded rod 8 is threadedly connected inside the threaded sleeve 7. A connecting frame 9 is fixedly connected to the top of the threaded rod 8. A movable plate 10 is slidably connected to the top of the connecting frame 9. The middle of the movable plate 10 is fixedly connected... A dial indicator 11 is fixedly connected, with its measuring head fitting against the outer wall of the top of the metal cylinder 19. A T-shaped moving plate 10 has several limiting slots 14 on both sides. Several limiting blocks 15 are fixedly connected to both ends of the middle section of the connecting frame 9, with the limiting slots 14 and blocks 15 movably engaging. A limiting frame 12 is fixedly connected to the top of the threaded rod 8, with limiting rods 13 slidably fitted on both sides of the limiting frame 12. The limiting rods 13 are fixedly connected to the fixed base 1. Several anti-slip ridges are fixedly connected to the outer walls of the tray 4 and the threaded sleeve 7, and none of them contact the limiting rods 13. The first rotating groove 2 is a T-shaped groove, and both the first rotating shaft 3 and the second rotating shaft 6 are T-shaped shafts. A second rotating groove 21 is opened at the bottom of the first rotating groove 2. A number of annularly distributed spheres 20 are movably engaged on the outer side of the bottom end of the first rotating shaft 3. The second rotating groove 21 is annular and is located within the second rotating groove 21. In use, two first rotating grooves 2 are opened at the top of the fixed base 1, and the first rotating shaft 3 and the second rotating shaft 6 are rotatably connected in the two first rotating grooves 2 respectively, so that the fixed base 1 restricts the rotation position of the first rotating shaft 3 and the second rotating shaft 6 through the first rotating grooves 2. A storage tray 4 is fixedly connected to one end of the first rotating shaft 3 that extends through the first rotating groove 2 to the outside of the fixed base 1. A magnet 5 is fixedly connected to the inner cavity at the upper end of the storage tray 4. A metal cylinder 19 is placed in the middle of the storage tray 4, so that the first rotating shaft 3 fixes the storage tray 4 and the magnet. The position of the magnetic piece 5 allows it to attract the metal cylinder 19, which is vertically placed in the middle of the storage tray 4. This ensures that one end face of the metal cylinder 19 is in contact with the storage tray 4 and that its position is fixed. A threaded sleeve 7 is fixedly connected to one end of the second rotating shaft 6, which extends through the first rotating groove 2 and out of the fixed base 1. A threaded rod 8 is threadedly connected inside the threaded sleeve 7. A connecting frame 9 is fixedly connected to the top of the threaded rod 8. A moving plate 10 is slidably connected to the top of the connecting frame 9. A dial indicator 11 is fixedly connected to the middle of the moving plate 10. The measuring head of the dial indicator 11 is in contact with the outer wall of the top of the metal cylinder 19. This allows the second rotating shaft 6 to fix the position of the threaded sleeve 7, and the threaded rod 8 to move up and down within the threaded sleeve 7.The relative positions of the threaded rod 8 and the connecting frame 9 are fixed, allowing the moving plate 10 to move along the connecting frame 9 with the dial indicator 11. This causes the measuring head of the dial indicator 11 to come into contact with the outer wall of the top of the metal cylinder 19. Then, the placement plate 4 is rotated, causing the metal cylinder 19 to rotate. This allows the dial indicator 11 to measure the data around the outer wall of the metal cylinder 19, thus determining the perpendicularity of the contact surface between the metal cylinder 19 and the placement plate 4. This detection method is simple, less affected by the end face area of ​​the metal cylinder 19, and improves the accuracy of the perpendicularity detection. This allows the dial indicator 11 to... The measurement platform improves the practicality of a metal cylinder 19 that measures various height and diameter values. The T-shaped movable plate 10 effectively restricts the movement direction of the movable plate 10 using the limiting blocks 15. Several limiting slots 14 are provided on both sides of the movable plate 10, and several limiting blocks 15 are fixedly connected to both ends of the connecting frame 9. The limiting slots 14 and limiting blocks 15 engage movably, restricting the position of the movable plate 10 after sliding along the connecting frame 9. This prevents the dial indicator 11 from moving and affecting the accuracy of the measurement when the metal cylinder 19 rotates. A limiting frame 12 is fixedly connected to the top of the threaded rod 8. Limiting rods 13 are slidably sleeved on both sides of the limiting frame 12. The limiting rods 13 are fixedly connected to the fixed base 1, allowing the fixed base 1 to restrict the movement direction of the limiting frame 12 via the limiting rods 13, thereby restricting the movement direction of the threaded rod 8. The threaded rod 8 is limited to driving the dial indicator 11 to move vertically only. Several anti-slip ridges are fixedly connected to the outer walls of the tray 4 and the threaded sleeve 7, and none of them contact the limiting rods 13, allowing the tray 4 and the threaded sleeve 7 to rotate easily without interfering with the limiting rods 13. The first rotating groove 2 is a T-shaped groove, and the first rotating shaft 3 and... The second rotating shafts 6 are all T-shaped shafts, which provides good limiting effect for the first rotating groove 2 on the first rotating shaft 3 and the second rotating shaft 6. A second rotating groove 21 is formed at the bottom end of the first rotating groove 2. Several annularly distributed spheres 20 are movably engaged on the outer side of the bottom end of the first rotating shaft 3. The second rotating groove 21 is annular. The second rotating groove 21 restricts the rotation position of the spheres 20, reducing the resistance of the spheres 20 when the first rotating shaft 3 rotates. This improves the stability of the first rotating shaft 3 and the tray 4 during rotation, and enhances the measurement accuracy of the metal cylinder 19.

[0024] As a preferred embodiment of this example, Figure 1 and Figure 2As shown, several fixing plates 16 are fixedly connected to the top of the storage tray 4. A telescopic sleeve 17 is fixedly connected to the upper end of the fixing plate 16. A cylindrical rod 18 is fixedly connected to one end of the telescopic sleeve 17. The cylindrical rod 18 fits against the outer surface of the metal cylinder 19. The telescopic sleeve 17 includes a telescopic rod and a spring. The telescopic rod is sleeved inside the spring. Both ends of the telescopic rod and the spring are fixedly connected to the fixing plate 16 and the cylindrical rod 18, respectively. The cylindrical rod 18 is an arc-shaped rod. The storage tray 4 is fixedly connected to the top of the storage tray 4 via several fixing plates 16. The telescopic sleeve 17 is fixedly connected to the upper end of the fixing plate 16. A cylindrical rod 18 is fixedly connected to one end of the telescopic sleeve 17. The cylindrical rod 18 fits against the outer surface of the metal cylinder 19, so that the storage tray 4 can move through the fixing plate 16 and the telescopic sleeve 17. The telescopic sleeve 17 restricts the position of the cylindrical rod 18, thus limiting the wobbling of the metal cylinder 19 and preventing wobbling during rotation when the measured height of the metal cylinder 19 is high. This further improves the detection accuracy of the metal cylinder 19. The telescopic sleeve 17 includes a telescopic rod and a spring, with the telescopic rod sleeved inside the spring. Both ends of the telescopic rod and the spring are fixedly connected to the fixed plate 16 and the cylindrical rod 18, respectively. This allows the telescopic sleeve 17 to drive the cylindrical rod 18 to extend and retract, enabling the cylindrical rod 18 to fit with metal cylinders 19 of various sizes, improving practicality. The curved shape of the cylindrical rod 18 further enhances the fit between the cylindrical rod 18 and the metal cylinder 19, providing better stability for the metal cylinder 19.

[0025] Those skilled in the art should understand that the discussion of any of the above embodiments is merely exemplary and is not intended to imply that the scope of the present invention (including the claims) is limited to these examples; within the framework of the present invention, the technical features of the above embodiments or different embodiments can also be combined, the steps can be implemented in any order, and there are many other variations of the different aspects of the present invention as described above, which are not provided in the details for the sake of brevity.

[0026] This utility model is intended to cover all such substitutions, modifications, and variations that fall within the broad scope of the appended claims. Therefore, any omissions, modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. A cylindrical perpendicularity testing platform, comprising a fixed base (1), characterized in that, The top of the fixed base (1) has two first rotating grooves (2). A first rotating shaft (3) and a second rotating shaft (6) are rotatably connected in the two first rotating grooves (2). A storage tray (4) is fixedly connected to one end of the first rotating shaft (3) that extends through the first rotating groove (2) to the outside of the fixed base (1). A magnet (5) is fixedly connected to the inner cavity at the upper end of the storage tray (4). A metal cylinder (19) is placed in the middle of the storage tray (4). The second rotating shaft... (6) A threaded sleeve (7) is fixedly connected to one end of the first rotating groove (2) extending out of the fixed base (1). A threaded rod (8) is threadedly connected inside the threaded sleeve (7). A connecting frame (9) is fixedly connected to the top end of the threaded rod (8). A moving plate (10) is slidably connected to the top end of the connecting frame (9). A dial indicator (11) is fixedly connected to the middle of the moving plate (10). The measuring head of the dial indicator (11) is in contact with the outer wall of the top end of the metal cylinder (19).

2. The cylindrical perpendicularity detection platform according to claim 1, characterized in that, The movable plate (10) is a T-shaped plate. Several limiting slots (14) are provided on both sides of the movable plate (10). Several limiting blocks (15) are fixedly connected to both ends of the middle part of the connecting frame (9). The limiting slots (14) and the limiting blocks (15) are movably engaged.

3. The cylindrical perpendicularity detection platform according to claim 1, characterized in that, The top end of the threaded rod (8) is fixedly connected to a limiting frame (12), and both sides of the limiting frame (12) are slidably sleeved with limiting rods (13), and the limiting rods (13) are fixedly connected to the fixed base (1).

4. The cylindrical perpendicularity detection platform according to claim 3, characterized in that, The outer walls of the storage tray (4) and the threaded sleeve (7) are fixedly connected with several anti-slip ridges and do not contact the limiting rod (13). The first rotating groove (2) is a T-shaped groove, and the first rotating shaft (3) and the second rotating shaft (6) are both T-shaped shafts.

5. The cylindrical perpendicularity detection platform according to claim 1, characterized in that, The top of the tray (4) is fixedly connected to several fixing plates (16), the upper end of the fixing plate (16) is fixedly connected to a telescopic sleeve rod (17), one end of the telescopic sleeve rod (17) is fixedly connected to a cylindrical rod (18), and the cylindrical rod (18) fits against the outer surface of the metal cylinder (19).

6. The cylindrical perpendicularity detection platform according to claim 5, characterized in that, The telescopic sleeve (17) includes a telescopic rod and a spring. The telescopic rod is sleeved inside the spring. Both ends of the telescopic rod and the spring are fixedly connected to the fixed plate (16) and the cylindrical rod (18), respectively. The cylindrical rod (18) is an arc-shaped rod.

7. The cylindrical perpendicularity detection platform according to claim 1, characterized in that, The bottom end of the first rotating groove (2) is provided with a second rotating groove (21). Several annularly distributed spheres (20) are movably engaged on the outer side of the bottom end of the first rotating shaft (3). The second rotating groove (21) is annular and is located inside the second rotating groove (21).

Images