Measuring device for roundness of mechanical part

Abstract

The utility model discloses a device for measuring the roundness of a mechanical part, which relates to the technical field of measuring devices and comprises a supporting table, a fixing plate is mounted on the upper surface of the supporting table, a fixing shaft is rotatably connected in the fixing plate, a rotating plate is fixedly mounted on the outer surface of the fixing shaft, and the rotating plate is rotatably connected with the fixing plate. A plurality of groups of control plates are mounted on the upper surface of the rotating plate, rotating frames are rotatably connected to the interiors of the control plates, fixing discs are mounted on the exteriors of the rotating frames, and through cooperation of the rotating plate, supporting rods and balls, firstly, two groups of fixing discs are symmetrically arranged through the rotating plate; when one set of mechanical parts is fixed and measured, new mechanical parts can be placed on the other set of fixing discs, the time consumed for replacement is shortened, the two sets of fixing discs are alternately replaced and do not interfere with each other, use is convenient, the function of alternately measuring the mechanical parts is achieved, and the efficiency of measuring the roundness of the mechanical parts is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of measuring devices, in particular to a device for measuring the roundness of mechanical parts. Background Art

[0002] Mechanical parts are mainly used to support, connect and fix various equipment. There are various types of mechanical parts, such as cylindrical parts and parts of other shapes. In the production of mechanical parts, a roundness measuring device is required to measure the roundness of the mechanical parts. The measuring device can measure the geometric shape accuracy of the surface of the mechanical parts, which is beneficial to ensure the stability of the mechanical parts during assembly or operation.

[0003] During measurement, the staff needs to fix the workpiece inside the fixed plate, and then control the measuring device to move to the outside of the workpiece. The roundness of the workpiece can be measured by controlling the rotation of the workpiece. However, this type of device cannot perform alternating replacement measurements on batches of mechanical parts. During measurement, the staff needs to release the fixation of a group of parts, reinstall them, and then measure them. This is troublesome to use and the measurement efficiency is low. In order to solve this technical problem, the utility model proposes a device for measuring the roundness of mechanical parts. Utility Model Content

[0004] The main purpose of the utility model is to provide a device for measuring the roundness of mechanical parts, which can effectively solve the problems mentioned in the background technology.

[0005] In order to achieve the above purpose, the technical solution adopted by the utility model is:

[0006] A device for measuring the roundness of mechanical parts comprises a support table, a fixed plate is installed on the upper surface of the support table, a fixed shaft is rotatably connected inside the fixed plate, a rotating plate is fixedly installed on the outer surface of the fixed shaft, a plurality of control plates are installed on the upper surface of the rotating plate, a rotating frame is rotatably connected inside the control plate, a fixed disk is installed on the outside of the rotating frame, a support rod is threadedly connected inside the rotating plate, a ball is installed inside the support rod, a limiting groove is provided inside the fixed plate, and a driving mechanism is installed on the outside of the fixed shaft.

[0007] Preferably, a control frame is installed outside the fixing plate, and a measuring device is installed outside the control frame.

[0008] Preferably, the outer surface of the support rod is slidably connected to the inner wall of the limiting groove, and the outer surface of the ball is in contact with the inner wall of the limiting groove.

[0009] Preferably, a fixing groove is provided inside the fixing plate, a fixing ring is meshed inside the fixing groove, and an outer surface of the fixing ring is slidably connected to an outer surface of the support rod.

[0010] Preferably, a plurality of groups of limit plates are fixedly mounted on the outer surface of the support rod, a plurality of groups of slots are provided inside the fixing ring, and the outer surfaces of the plurality of groups of limit plates are slidably connected to the inside of the slots.

[0011] Preferably, the driving mechanism comprises a worm wheel, the outer surface of the fixed shaft is connected to the inside of the worm wheel, the inner part of the support platform is rotatably connected to a worm, and the gear teeth of the worm are meshed with the gear teeth of the worm wheel.

[0012] Preferably, a motor is installed inside the support platform, and an output end of the motor is connected to one end of the worm.

[0013] Compared with the prior art, the utility model has the following beneficial effects:

[0014] The utility model uses the cooperation between the rotating plate, the support rod and the ball bearings. First, the two groups of fixed disks are symmetrically arranged through the rotating plate. When one group of mechanical parts is fixed and measured, new mechanical parts can be placed on the other group of fixed disks, which reduces the time consumed in replacement. The two groups of fixed disks are replaced alternately without interfering with each other, which is convenient for use. When the rotating plate rotates, the support rod and the ball bearings will move inside the limit groove, and can support multiple positions of the fixed disk. The depth of the support rod can be adjusted, which can ensure that the rotating plate is in a horizontal state during measurement, ensure the accuracy of measurement, realize the function of measuring mechanical parts alternately, and is beneficial to improving the efficiency of measuring the roundness of mechanical parts.

[0015] In the utility model, a fixing ring and other components are provided, and the fixing ring meshes with the inside of the fixing groove. After the position of the support rod is adjusted, the fixing ring is connected to the support rod. At this time, the fixing ring is controlled to enter the inside of the fixing groove. Through the cooperation of the fixing ring, the fixing groove and the limit plate, the support rod can be fixed. At this time, the support rod will not rotate, preventing the position of the support rod from changing due to vibration during the rotation of the rotating plate, thereby ensuring stability during use. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the overall structure of a device for measuring the roundness of a mechanical part according to the utility model;

[0017] Figure 2 This is a schematic diagram of the overall interior of a device for measuring the roundness of a mechanical part according to the utility model;

[0018] Figure 3 This is a schematic diagram of a fixed plate component of a device for measuring the roundness of a mechanical part according to the utility model;

[0019] Figure 4 This is a schematic diagram of a rotating plate component of a device for measuring the roundness of a mechanical part according to the utility model;

[0020] Figure 5 This is a schematic diagram of the support rod component of a device for measuring the roundness of mechanical parts in the utility model.

[0021] In the figure: 1. support platform; 2. fixed plate; 3. fixed shaft; 4. rotating plate; 5. control plate; 6. rotating frame; 7. fixed plate; 8. support rod; 9. ball bearing; 10. limit groove; 11. driving mechanism; 1101. worm gear; 1102. worm; 1103. motor; 12. control frame; 13. measuring device; 14. fixed groove; 15. fixed ring; 16. limit plate; 17. slot. DETAILED DESCRIPTION

[0022] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.

[0023] like Figure 1 As shown in Figure 5, a device for measuring the roundness of a mechanical part comprises a support platform 1. A plurality of adjustable bases are installed at the bottom of the support platform 1, which can adjust the horizontality of the support platform 1. A fixed plate 2 is installed on the upper surface of the support platform 1. A fixed shaft 3 is rotatably connected to the inside of the fixed plate 2. The fixed shaft 3 is connected to the inside of the fixed plate 2 through a bearing. A rotating plate 4 is fixedly installed on the outer surface of the fixed shaft 3. Controlling the rotation of the fixed shaft 3 can drive the rotating plate 4 to rotate. A driving mechanism 11 is installed on the outside of the fixed shaft 3, which can drive the fixed shaft 3 to rotate.

[0024] The driving mechanism 11 includes a worm wheel 1101. The outer surface of the fixed shaft 3 is connected to the inside of the worm wheel 1101. The fixed shaft 3 can be controlled to rotate through the worm wheel 1101. The internal rotation of the support platform 1 is connected to a worm 1102. The gear teeth of the worm 1102 are meshed with the gear teeth of the worm wheel 1101. The rotation of the worm 1102 can be controlled to control the rotation of the worm wheel 1101. The self-locking property of the worm 1102 and the worm wheel 1101 can ensure the stability of the rotating plate 4 during rotation, and prevent the rotating plate 4 from rotating under the action of external force.

[0025] An electric motor 1103 is installed inside the support platform 1. The output end of the electric motor 1103 is connected to one end of the worm 1102. The electric motor 1103 is a forward and reverse motor. The electric motor 1103 can control the worm 1102 to rotate clockwise and counterclockwise, and can further control the rotating plate 4 to rotate in two directions, which is convenient for the staff to use.

[0026] A plurality of control panels 5 are installed on the upper surface of the rotating plate 4. The internal rotation of the control panel 5 is connected to a rotating frame 6. A fixed disk 7 is installed on the outside of the rotating frame 6. The rotation of the rotating frame 6 can be controlled by the control panel 5. A control motor is installed inside the control panel 5. The fixed disk 7 can fix mechanical parts such as cylindrical parts. Two groups of fixed disks 7 can be set to alternately replace the mechanical parts. When one group of mechanical parts is fixed and measured, new mechanical parts can be placed on the other group of fixed disks 7, thereby reducing the time consumed during replacement.

[0027] A control frame 12 is installed outside the fixed plate 2, and a measuring device 13 is installed outside the control frame 12. The rotating plate 4 can control a group of fixed disks 7 to rotate to the position of the measuring device 13, and the roundness of the mechanical parts fixed by the fixed disks 7 can be measured by the measuring device 13.

[0028] The internal thread of the rotating plate 4 is connected to a support rod 8, and the outer surface of the support rod 8 is slidably connected to the inner wall of the limiting groove 10. A ball 9 is installed inside the support rod 8, and the outer surface of the ball 9 contacts the inner wall of the limiting groove 10. The limiting groove 10 is opened inside the fixed plate 2. When the rotating plate 4 rotates, the support rod 8 and the ball 9 will move inside the limiting groove 10, and can support multiple positions of the fixed plate 7. The depth of the support rod 8 can be adjusted, which can ensure that the rotating plate 4 is in a horizontal state during measurement, thereby ensuring the accuracy of the measurement.

[0029] A fixing groove 14 is provided inside the fixing plate 2, and a fixing ring 15 is meshed inside the fixing groove 14. The outer surface of the fixing ring 15 is slidably connected to the outer surface of the support rod 8. The fixing groove 14 can control the rotation of the fixing ring 15. When the fixing ring 15 is meshed with the fixing groove 14, the fixing ring 15 cannot rotate. By setting multiple sets of gear teeth on the fixing groove 14 and the fixing ring 15, the fixing ring 15 can be fixed at more angles and adapt to installation at more angles.

[0030] A plurality of limit plates 16 are fixedly installed on the outer surface of the support rod 8, and a plurality of slots 17 are provided inside the fixing ring 15. The outer surfaces of the plurality of limit plates 16 are slidably connected with the inside of the slots 17. The limit plates 16 and the slots 17 can connect the fixing ring 15 and the support rod 8. The support rod 8 can be fixed by the cooperation of the fixing ring 15, the fixing slot 14 and the limit plates 16. At this time, the support rod 8 will not rotate, so as to prevent the position of the support rod 8 from changing due to vibration during the rotation of the rotating plate 4, thereby ensuring stability during use.

[0031] When in use, the contact between the ball 9 and the limit groove 10 is controlled by the support rod 8, and the rotating plate 4 can be supported by the support rod 8 and the ball 9 to ensure that the rotating plate 4 is level. After adjusting the position of the support rod 8, the fixing ring 15 is installed through the limit plate 16 and the slot 17. After the fixing ring 15 is installed inside the fixing groove 14, the fixing ring 15 can fix the angle of the support rod 8. At this time, the rotation of the worm 1102 can be controlled by the motor 1103, and the rotation of the rotating plate 4 can be controlled by the cooperation of the worm 1102 and the worm wheel 1101. When one group of mechanical parts is fixed and measured, new mechanical parts can be placed on another group of fixed disks 7.

[0032] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. A device for measuring the roundness of a mechanical part, comprising a support table (1), characterized in that: A fixed plate (2) is installed on the upper surface of the support platform (1), the fixed plate (2) is rotatably connected to a fixed shaft (3) inside, a rotating plate (4) is fixedly installed on the outer surface of the fixed shaft (3), a plurality of control plates (5) are installed on the upper surface of the rotating plate (4), the control plate (5) is rotatably connected to a rotating frame (6) inside, a fixed plate (7) is installed on the outside of the rotating frame (6), the rotating plate (4) is internally threadedly connected to a support rod (8), a ball bearing (9) is installed inside the support rod (8), a limiting groove (10) is provided inside the fixed plate (2), and a driving mechanism (11) is installed on the outside of the fixed shaft (3).

2. A device for measuring the roundness of mechanical parts according to claim 1, characterized in that: A control frame (12) is installed outside the fixing plate (2), and a measuring device (13) is installed outside the control frame (12).

3. A device for measuring the roundness of mechanical parts according to claim 1, characterized in that: The outer surface of the support rod (8) is slidably connected to the inner wall of the limiting groove (10), and the outer surface of the ball (9) is in contact with the inner wall of the limiting groove (10).

4. A device for measuring the roundness of mechanical parts according to claim 1, characterized in that: A fixing groove (14) is provided inside the fixing plate (2), a fixing ring (15) is meshed inside the fixing groove (14), and the outer surface of the fixing ring (15) is slidably connected to the outer surface of the support rod (8).

5. A device for measuring the roundness of mechanical parts according to claim 4, characterized in that: A plurality of groups of limit plates (16) are fixedly mounted on the outer surface of the support rod (8), a plurality of groups of slots (17) are provided inside the fixing ring (15), and the outer surfaces of the plurality of groups of limit plates (16) are slidably connected to the inside of the slots (17).

6. A device for measuring the roundness of mechanical parts according to claim 1, characterized in that: The driving mechanism (11) comprises a worm wheel (1101), the outer surface of the fixed shaft (3) is connected to the inside of the worm wheel (1101), the inside of the support platform (1) is rotatably connected to a worm (1102), and the gear teeth of the worm (1102) are meshed with the gear teeth of the worm wheel (1101).

7. A device for measuring the roundness of mechanical parts according to claim 6, characterized in that: An electric motor (1103) is installed inside the support platform (1), and an output end of the electric motor (1103) is connected to one end of the worm (1102).

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