Simple and rapid measuring tool for inner cavity of precision machined part

Abstract

The utility model discloses a simple and rapid measuring tool for an inner cavity of a precision machined part, which belongs to the field of inner cavity measurement of machined parts and comprises a workbench, two mounting side plates are fixedly connected to the top of the workbench, a rotating rod is arranged between the two mounting side plates, a gear is sleeved on the outer ring of the rotating rod, and the gear is sleeved on the outer ring of the rotating rod. A sliding groove is formed in the top of the workbench, a rack is slidably connected to an inner cavity of the sliding groove, a sliding plate is fixedly connected to one side of the rack, and an inner diameter micrometer is fixedly connected to one side of the sliding plate through two mounting rings; through cooperative use of the above devices, stable contact between the inside micrometer and the inner wall of a workpiece is ensured, measurement errors are greatly reduced, operation steps are simplified, influences of human factors on measurement results are reduced, requirements for complex adjustment and calibration are reduced, and working efficiency and accuracy are improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to processing piece inner chamber measurement technical field, specifically a kind of precision processing piece inner chamber simple and rapid measurement tool. BACKGROUND

[0002] Processing piece inner chamber measurement involves multiple professional terms, these terms describe the various characteristics of internal space and its measurement method, wherein, "inner diameter" refers to the size of the diameter inside cylindrical workpiece, it is the basic parameter for measuring inner chamber size, and this process is crucial to ensure the functionality, interchangeability and overall quality of parts.

[0003] When the inner diameter of precision processing piece is measured, it is crucial to smoothly enter the inner diameter of processing piece, and unstable contact between measuring tool and processing piece inner wall will cause the measuring mechanism to contact the processing piece unstably, thereby generating deviation, which requires complex adjustment and calibration steps in the measurement process, greatly increases the operation complexity, and is prone to measurement error due to human factors, thereby causing measurement error.

[0004] Therefore, the utility model provides a kind of precision processing piece inner chamber simple and rapid measurement tool to solve the above problems. UTILITY MODEL CONTENT

[0005] (One) technical problem solved

[0006] The utility model provides a kind of precision processing piece inner chamber simple and rapid measurement tool, to solve the problem proposed in background art.

[0007] (Two) technical scheme

[0008] To achieve the above object, the utility model provides the following technical scheme: a kind of precision processing piece inner chamber simple and rapid measurement tool, including workbench, the top of the workbench is fixedly connected with two installation side plates, rotation rod is provided between two installation side plates, the outer circle of the rotation rod is sleeved with gear, the top of the workbench is provided with sliding slot, the inner chamber of the sliding slot is slidably connected with rack, the rack is fixedly connected with sliding plate on one side, and the inner diameter micrometer is fixedly connected to the one side of the sliding plate by two mounting rings.

[0009] As a preferred technical scheme of the present application, one end of the rotation rod is rotatably connected with the side of adjacent installation side plate, and the other end of the rotation rod extends to the other side through the side of adjacent installation side plate.

[0010] As a preferred technical scheme of the present application, one of the installation side plates is fixedly installed with motor on one side, and the output shaft of the motor is fixedly connected with the extension end of the rotation rod.

[0011] As a preferred technical solution of the present application, the gear and the rack are engaged through the clamping teeth, and the bottom end of the sliding plate is in sliding connection with the inner cavity of the sliding groove.

[0012] As a preferred technical solution of the present application, the top of the workbench is fixedly connected with two limiting frames, the inner cavity of the limiting frame is in sliding connection with a limiting sliding plate, and one end of the limiting sliding plate is fixedly connected with one side of the adjacent sliding plate.

[0013] As a preferred technical solution of the present application, the top of the workbench is provided with a fixed frame, the inner cavity of the fixed frame is provided with a resisting plate, the top of the resisting plate is fixedly connected with a threaded rod, the top end of the threaded rod is fixedly connected with a rotating handle through the inner cavity of the fixed frame.

[0014] As a preferred technical solution of the present application, the top of the fixed frame is provided with two limiting rods, the bottom of the limiting rod penetrates the top of the fixed frame and is fixedly connected with the top of the resisting plate, the bottom of the fixed frame is fixedly connected with a supporting leg, the bottom of the supporting leg is fixedly connected with the top of the workbench, and the two sides of the workbench are fixedly connected with reinforcing plates.

[0015] (Three) beneficial effects

[0016] Through the setting of the motor, the rotating rod, the gear, the rack and the sliding plate, the inner diameter micrometer is stably and accurately moved to the workpiece, effectively avoiding the instability caused by manual operation, and the sliding of the limiting sliding plate in the limiting frame further enhances the stability of the inner diameter micrometer during movement, ensures the stable contact between the inner diameter micrometer and the inner wall of the workpiece, greatly reduces the measurement error, simplifies the operation steps, reduces the influence of human factors on the measurement result, reduces the demand for complex adjustment and calibration, and improves the work efficiency and accuracy.

[0017] Through the setting of the rotating handle and the threaded rod, the operator can conveniently and accurately adjust the position of the resisting plate, ensure that the workpiece can be stably fixed in the fixed frame, and the configuration of the limiting rod provides necessary support and balance, so that the resisting plate remains stable and accurate during movement, effectively avoids the problem of unstable fixation caused by position deviation, ensures the close fit between the resisting plate and the workpiece, reduces the measurement error caused by improper fixation, and improves the accuracy and reliability of the whole work. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is a schematic diagram of the overall structure of a simple and rapid measuring tool for a precision workpiece inner cavity.

[0019] Figure 2 It is a schematic diagram of the structure of an inner diameter micrometer in a simple and rapid measuring tool for a precision workpiece inner cavity.

[0020] Figure 3 This is a schematic diagram of the gear structure in a simple and quick measuring tool for the internal cavity of a precision machined part.

[0021] Figure 4 This is a schematic diagram of the structure of the fixed frame in a simple and quick measuring tool for the internal cavity of a precision machined part.

[0022] In the picture:

[0023] 1. Workbench; 2. Reinforcing plate; 3. Fixing frame; 4. Mounting side plate; 5. Inside micrometer; 6. Limiting frame; 7. Support leg; 8. Motor; 9. Rotating rod; 10. Gear; 11. Sliding plate; 12. Slide groove; 13. Rack; 14. Limiting slide plate; 15. Mounting ring; 16. Support plate; 17. Threaded rod; 18. Rotating handle; 19. Limiting rod. Detailed Implementation

[0024] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present utility model without creative effort are within the protection scope of the present utility model.

[0025] This utility model provides a simple and quick measuring tool for the internal cavity of precision machined parts, such as... Figures 1-4 As shown, the technical solution includes a workbench 1, with two mounting side plates 4 fixedly connected to the top of the workbench 1. A rotating rod 9 is provided between the two mounting side plates 4, and a gear 10 is sleeved on the outer ring of the rotating rod 9. A sliding groove 12 is provided on the top of the workbench 1, and a rack 13 is slidably connected to the inner cavity of the sliding groove 12. A sliding plate 11 is fixedly connected to one side of the rack 13, and an inner micrometer 5 is fixedly connected to one side of the sliding plate 11 through two mounting rings 15.

[0026] One end of the rotating rod 9 is rotatably connected to one side of the adjacent mounting side plate 4 via a rotating shaft, and the other end of the rotating rod 9 extends through one side of the adjacent mounting side plate 4 to the other side.

[0027] One of the mounting side plates 4 has a motor 8 fixedly mounted on one side, and the output shaft of the motor 8 is fixedly connected to the extension end of the rotating rod 9.

[0028] The gear 10 and the rack 13 are engaged by a toothed engagement, and the bottom end of the sliding plate 11 is slidably connected to the inner cavity of the slide groove 12.

[0029] Two limiting frames 6 are fixedly connected to the top of the workbench 1. The inner cavity of the limiting frame 6 is slidably connected to the limiting slide plate 14. One end of the limiting slide plate 14 is fixedly connected to one side of the adjacent sliding plate 11.

[0030] Specifically, when measuring the inner diameter of the workpiece, first, the operator starts the motor 8, the motor 8 drives the rotating rod 9 to rotate, the rotating rod 9 drives the gear 10 to rotate, the gear 10 further drives the rack 13 to slide in the inner cavity of the sliding groove 12, so as to cause the sliding plate 11 to displace, with the movement of the sliding plate 11, it drives the inner diameter micrometer 5 to move stably towards the fixed frame 3, in the process, the limiting slide plate 14 slides in the inner cavity of the limiting frame 6, ensuring the stability of the inner diameter micrometer 5 during movement, at this time, the fixed frame 3 has been placed with the workpiece to be measured inside, when the inner diameter micrometer 5 and the fixed frame 3 gradually approach, the inner diameter micrometer 5 is gently placed into the workpiece hole, then the measuring head is contacted with the workpiece surface by rotating the differential cylinder, and a slight pressure is applied until the resistance is felt, finally, the value on the inner diameter micrometer 5 is read and recorded as the measurement result.

[0031] The top of the workbench 1 is provided with the fixed frame 3, the inner cavity of the fixed frame 3 is provided with the abutment plate 16, the top of the abutment plate 16 is fixedly connected with the threaded rod 17, and the top end of the threaded rod 17 is fixedly connected with the rotating handle 18 through threads and penetrates the inner cavity top of the fixed frame 3.

[0032] The top of the fixed frame 3 is provided with two limiting rods 19, the bottom of the limiting rod 19 penetrates the top of the fixed frame 3 and is fixedly connected with the top of the abutment plate 16, the bottom of the supporting leg 7 is fixedly connected with the top of the workbench 1, and the two sides of the workbench 1 are fixedly connected with the reinforcing plates 2.

[0033] Specifically, when fixing the workpiece, first, the workpiece is placed in the fixed frame 3, then the operator holds the rotating handle 18 and rotates the threaded rod 17, which drives the abutment plate 16 to adjust the position, in the process of adjusting the position of the abutment plate 16, the limiting rods 19 provide necessary support and balance, ensuring that the abutment plate 16 can move stably and accurately, and through accurate adjustment of the abutment plate 16 until it is tightly attached to the workpiece, the workpiece can be fixed stably and reliably.

[0034] The above merely describes a preferred specific implementation of the present application, but the protection scope of the present application is not limited to this, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. A simple and rapid measuring tool for the inner cavity of a precision machined part, comprising a worktable (1), characterized in that: The top of the workbench (1) is fixedly connected with two mounting side plates (4), a rotating rod (9) is arranged between the two mounting side plates (4), the outer ring of the rotating rod (9) is sleeved with a gear (10), the top of the workbench (1) is provided with a sliding groove (12), the inner cavity of the sliding groove (12) is slidably connected with a rack (13), one side of the rack (13) is fixedly connected with a sliding plate (11), one side of the sliding plate (11) is fixedly connected with an inside micrometer (5) through two mounting rings (15).

2. The simple and quick measuring tool for inner cavity of precision machined part according to claim 1, characterized in that: One end of the rotating rod (9) is rotatably connected with one side of the adjacent mounting side plate (4), and the other end of the rotating rod (9) extends through one side of the adjacent mounting side plate (4) to the other side.

3. The simple and quick measuring tool for inner cavity of precision machined part according to claim 2, characterized in that: One side of one of the mounting side plates (4) is fixedly provided with a motor (8), and the output shaft of the motor (8) is fixedly connected with the extension end of the rotating rod (9).

4. The simple and quick measuring tool for inner cavity of precision machined part according to claim 1, characterized in that: The gear (10) and the rack (13) are engaged through the clamping teeth, and the bottom end of the sliding plate (11) is slidably connected with the inner cavity of the sliding groove (12).

5. The simple and quick measuring tool for inner cavity of precision machined part according to claim 1, characterized in that: The top of the workbench (1) is fixedly connected with two limiting frames (6), the inner cavity of the limiting frame (6) is slidably connected with a limiting sliding plate (14), one end of the limiting sliding plate (14) is fixedly connected with one side of the adjacent sliding plate (11).

6. The simple and quick measuring tool for inner cavity of precision machined part according to claim 1, characterized in that: The top of the workbench (1) is provided with a fixed frame (3), the inner cavity of the fixed frame (3) is provided with an abutting plate (16), the top of the abutting plate (16) is fixedly connected with a threaded rod (17), the top end of the threaded rod (17) is fixedly connected with a rotating handle (18) through threads penetrating the inner cavity top of the fixed frame (3).

7. The tool of claim 6, wherein: The top of the fixed frame (3) is provided with two limiting rods (19), the bottom of the limiting rod (19) is fixedly connected with the top of the abutting plate (16) through penetrating the top of the fixed frame (3), the bottom of the supporting leg (7) is fixedly connected with the top of the workbench (1), and the two sides of the workbench (1) are fixedly connected with reinforcing plates (2).

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