Watch gear end face run-out detection device

Abstract

The utility model provides a watch gear end face run-out detection device. The watch gear end face run-out detection device comprises a shell, a pointer, a transmission mechanism and a detection mechanism. The transmission mechanism is arranged at the lower end of the shell, and the pointer is arranged in the shell and is in transmission connection with the transmission mechanism; a detection mechanism is arranged at one end of the transmission mechanism and makes contact with the end face of the watch gear. In the detection process, when the detection point detects the end face of the watch gear, the detection point jumps and drives the rotating disc, the rotating disc drives the transmission shaft, the transmission shaft drives the pointer, the pointer is amplified, and the magnitude of swing is judged through the graduated scale. According to the watch gear end face run-out detection mechanism, watch gear end face run-out detection is effectively achieved, and due to the fact that the transmission shaft design is adopted, the stability and reliability of the detection mechanism are greatly improved; the device is simple in structure, convenient to use and low in manufacturing cost, and further reduces the investment of a large amount of manpower, material resources and financial resources.

Description

Technical Field

[0001] The utility model relates to the technical field of watch detection, in particular to a device for detecting the end face runout of watch gears. Background Art

[0002] As a precision instrument, the running accuracy of a watch directly affects the accuracy of time. The runout of gears will cause inaccurate timekeeping of the watch, so it is necessary to detect the end face runout of the gears.

[0003] The interior of a watch usually consists of multiple gears, and these gears transmit power through meshing. The end face runout of a gear refers to the offset of its end face relative to the ideal position during rotation, and this offset will affect the meshing effect of the gears and the overall running stability.

[0004] The existing technology for detecting the end face runout of gears usually adopts means such as high-precision sensors and laser measurement technology. However, due to the use of high-precision sensors or laser equipment for detection in the existing technology, the detection cost increases, and the professional requirements for the detection personnel are high. Content of the Utility Model

[0005] Aiming at the deficiencies of the existing technology, the utility model provides a device for detecting the end face runout of watch gears. The structure of the utility model is simple and easy to use, and can quickly and accurately detect the end face runout of watch gears.

[0006] The technical solution of the utility model is: a device for detecting the end face runout of watch gears, including a housing, a pointer, a transmission mechanism, and a detection mechanism; the transmission mechanism is arranged at the lower end of the housing, and the pointer is arranged in the housing and is in transmission connection with the transmission mechanism; one end of the transmission mechanism is provided with a detection mechanism, and the detection mechanism is in contact with the end face of the watch gear.

[0007] Preferably, the transmission mechanism includes a mounting shaft, a transmission shaft is arranged inside the mounting shaft, and one end of the transmission shaft is connected with the detection mechanism.

[0008] Preferably, the detection mechanism includes a rotating disk and a detection rod arranged on the end face of the rotating disk.

[0009] Preferably, a pointer is also sleeved on the transmission shaft, and one end of the pointer abuts against the mounting shaft, and the other end abuts against the fixed shaft sleeved on the transmission shaft.

[0010] Preferably, one end of the fixed shaft is connected with a balance weight.

[0011] Preferably, a spherical detection point is also arranged at the end of the detection rod.

[0012] Preferably, the distance between the spherical detection point and the axis of the transmission shaft is r , and the length from the axis of the transmission shaft to the tip of the pointer is R. Then the dimensional magnification factor for detecting the circular runout is R / r.

[0013] Preferably, the housing is of a conical structure.

[0014] Preferably, the housing is of a hollow structure, and a scale is further provided on the inner side of the upper end of the housing, and the scale is located at the tip of the pointer.

[0015] Preferably, a connecting shaft is further provided at the lower end of the housing.

[0016] The beneficial effects of the present utility model are as follows:

[0017] 1. By means of the pointer, the rotating disk, the transmission shaft, and the detection point, the present utility model effectively realizes the detection of the end face runout of the watch gear. Moreover, due to the adoption of the transmission shaft design, the stability and reliability of the detection mechanism are greatly improved;

[0018] 2. The detection device of the present utility model has a simple structure, is convenient to use, has a low manufacturing cost, and the detection personnel do not need professional training, further reducing the input of a large amount of manpower, material resources, and financial resources. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 is a schematic structural diagram of the present utility model;

[0020] Figure 2 is an internal structural diagram of the present utility model;

[0021] In the figure, 1 - housing; 2 - pointer; 3 - transmission mechanism; 4 - detection mechanism; 5 - balance weight; 6 - connecting shaft;

[0022] 31 - mounting shaft; 32 - transmission shaft; 33 - fixed shaft;

[0023] 41 - rotating disk; 42 - detection rod; 43 - detection point. DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS

[0024] The following further describes the specific embodiments of the present utility model in conjunction with the drawings:

[0025] As shown in Figure 1 and 2As shown in the figure, this embodiment provides a device for detecting the end face runout of a watch gear, which includes a housing 1, a pointer 2, a transmission mechanism 3, and a detection mechanism 4. The transmission mechanism 3 is arranged at the lower end of the housing 1, and the pointer 2 is arranged inside the housing 1 and is in transmission connection with the transmission mechanism 3. One end of the transmission mechanism 3 is provided with a detection mechanism 4, and the detection mechanism 4 is in contact with the end face of the watch gear. In this embodiment, the round runout of the end face of the watch gear is judged by the swing size of the pointer 2.

[0026] Preferably, in this embodiment, as Figure 2 shown, the transmission mechanism 3 includes a mounting shaft 31, a transmission shaft 32 is arranged inside the mounting shaft 31, and one end of the transmission shaft 32 is connected to the detection mechanism 4.

[0027] Preferably, in this embodiment, as Figure 1 and 2 shown, the detection mechanism 4 includes a rotating disk 41 and a detection rod 42 arranged on the end face of the rotating disk 41. In this embodiment, the transmission shaft 32 is in interference fit connection with both the mounting shaft 31 and the rotating disk 41.

[0028] Preferably, in this embodiment, a pointer 2 is also sleeved on the transmission shaft 32, one end of the pointer 2 abuts against the mounting shaft 31, and the other end abuts against the fixed shaft 33 sleeved on the transmission shaft 32. The fixed shaft 33 is in threaded connection with the transmission shaft 32.

[0029] Preferably, in this embodiment, one end of the fixed shaft 33 is connected with a balance weight 5. In this embodiment, the position of the detection point 43 can be ensured to be unchanged by the gravity of the balance weight 5.

[0030] Preferably, in this embodiment, a spherical detection point 43 is further arranged at the end of the detection rod 42. During the detection process, the spherical detection point 43 is in contact with the end face of the watch gear.

[0031] Preferably, in this embodiment, the distance between the spherical detection point 43 and the axis of the transmission shaft 32 is r , and the length from the axis of the transmission shaft 32 to the tip of the pointer 2 is R. Then the magnification of the dimension for detecting the round runout is R / r.

[0032] Preferably, in this embodiment, the housing 1 is of a conical structure. The housing 1 is a hollow box structure, and a scale is further arranged on the inner side of the upper end of the housing 1. The scale is located on the lid of the housing 1 at the tip of the pointer 2. In this embodiment, the lower end of the housing 1 is arranged on the fixed shaft 33.

[0033] Preferably in this embodiment, a connecting shaft 6 is further provided at the lower end of the housing 1, and the detection device is connected to the corresponding device through the connecting shaft 6.

[0034] In this embodiment, during the detection process, when the detection point 43 detects the end face of the watch gear, the detection point 43 will jump, driving the rotating disk 41. The rotating disk 41 drives the transmission shaft 32, and the transmission shaft 32 drives the pointer 2. The pointer 2 amplifies the movement, and the swing size is determined by the scale. According to the accuracy requirements, the swing size of the pointer 2 is checked to determine whether the circular runout of the end face of the watch gear is qualified. At the same time, in this embodiment, an observation window is provided on the housing 1 at the scale position, so as to facilitate observing the swing of the pointer 2. The observation window of this embodiment is made of tempered glass.

[0035] The above embodiments and the descriptions in the specification only illustrate the principles and the best embodiments of the present invention. Without departing from the spirit and scope of the present invention, the present invention will have various changes and improvements, and these changes and improvements all fall within the scope of the present invention claimed.

Claims

1. A device for detecting the end face runout of a watch gear, characterized in that, It includes a housing (1), a pointer (2), a transmission mechanism (3), and a detection mechanism (4); the transmission mechanism (3) is arranged at the lower end of the housing (1), and the pointer (2) is arranged inside the housing (1) and is in transmission connection with the transmission mechanism (3); one end of the transmission mechanism (3) is provided with a detection mechanism (4), and the detection mechanism (4) is in contact with the end face of the watch gear.

2. The end face runout detection device for a watch gear according to claim 1, wherein: The transmission mechanism (3) includes a mounting shaft (31), and a transmission shaft (32) is arranged inside the mounting shaft (31), and one end of the transmission shaft (32) is connected to the detection mechanism (4).

3. The end face runout detection device for a watch gear according to claim 2, wherein: The detection mechanism (4) includes a rotating disk (41), and a detection rod (42) arranged on the end face of the rotating disk (41).

4. The end face runout detection device for a watch gear according to claim 3, characterized in that: A spherical detection point (43) is further arranged at the end of the detection rod (42).

5. The end face runout detection device for a watch gear according to claim 4, characterized in that: The distance between the spherical detection point (43) and the axis of the transmission shaft (32) is r , and the length from the axis of the transmission shaft (32) to the tip of the pointer (2) is R. Then the magnification factor of the detected circular runout dimension is R / r.

6. The end face runout detection device for a watch gear according to claim 5, wherein: The pointer (2) is also sleeved on the transmission shaft (32), and one end of the pointer (2) abuts against the mounting shaft (31), and the other end abuts against the fixed shaft (33) sleeved on the transmission shaft (32).

7. A watch gear end face runout detection device according to claim 6, characterized in that: One end of the fixed shaft (33) is connected to a balance weight (5).

8. The end face runout detection device for a watch gear according to claim 1, characterized in that: The housing (1) is of a conical structure.

9. A device for detecting the end face runout of a watch gear according to claim 8, characterized in that: The housing (1) is of a hollow structure, and scales are further arranged on the inner side of the upper end of the housing (1), and the scales are located at the tip of the pointer (2).

10. A watch gear end face runout detection device according to claim 9, characterized in that: A connecting shaft (6) is further arranged at the lower end of the housing (1).

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