CN216898621U

CN216898621U - Threaded rod thread tolerance detection device

Info

Publication number: CN216898621U
Application number: CN202220469185.0U
Authority: CN
Inventors: 林华伟; 陈军庭; 陈美华
Original assignee: Fujian Longxi Bearing Group Co Ltd
Current assignee: Fujian Longxi Bearing Group Co Ltd
Priority date: 2022-03-03
Filing date: 2022-03-03
Publication date: 2022-07-05
Anticipated expiration: 2032-03-03

Abstract

The utility model relates to a threaded rod thread tolerance detection device, comprising: the device comprises a motor, a connecting piece, a thread ring gauge and a fixing piece; the threaded rod to be tested is arranged on the fixing piece; the screw thread ring gauge is connected with a connecting piece, and the connecting piece is arranged on a rotating shaft of the motor and is provided with a abdicating hole; the axes of the threaded rod, the threaded ring gauge and the motor rotating shaft are all overlapped; the motor drives the thread ring gauge to rotate and drives the threaded rod to enter or exit the abdicating hole after rotating along the internal thread of the thread ring gauge. The technical scheme of the utility model realizes automatic thread tolerance detection. The device has the advantages of good adaptability, high efficiency, convenience in operation and high reliability.

Description

Threaded rod thread tolerance detection device

Technical Field

The utility model relates to the technical field of part calibration, in particular to a threaded rod thread tolerance detection device.

Background

With the development of aerospace technology, people have higher and higher requirements on rod end body product detection projects. The screw thread tolerance of the rod end body shown in fig. 3 and 4 requires 100% detection to ensure the accuracy. For such external thread parts, the conventional detection method is as follows: adopt manual work mode to rotate into the screw ring gauge from threaded rod one end, revolve round out again after revolving to the end, detect whether the screw thread tolerance of part satisfies the requirement through this action. However, the traditional detection method has low detection efficiency, completely depends on manual work, has high detection cost, and cannot realize standardized and automatic detection work.

SUMMERY OF THE UTILITY MODEL

Therefore, it is necessary to provide a threaded rod thread tolerance detection device for solving the problem of low detection efficiency of the conventional threaded rod.

A threaded rod thread tolerance detection device, comprising: the device comprises a motor, a connecting piece, a thread ring gauge and a fixing piece; the threaded rod to be tested is arranged on the fixing piece; the thread ring gauge is connected with the connecting piece, and the connecting piece is arranged on the motor rotating shaft and is provided with a abdicating hole; the axes of the threaded rod, the threaded ring gauge and the motor rotating shaft are all overlapped; the motor drives the thread ring gauge to rotate and drives the threaded rod to enter or exit the abdicating hole after rotating along the internal thread of the thread ring gauge.

Furthermore, the threaded rod thread tolerance detection device also comprises a linear track and a moving block, and the linear track and the moving block are fixedly connected with the fixing piece; when the threaded rod enters or exits the abdicating hole, the threaded rod and the moving block do linear motion along the linear track.

Further, the linear track is a slide rail, the moving block is a slide block, and the moving block is connected in the linear track in a sliding manner.

Furthermore, the first end of the connecting piece is fixed on the motor rotating shaft, and the second end of the connecting piece is fixedly connected with the thread ring gauge; the abdicating hole is arranged at the second end of the connecting piece and communicated with the central hole of the thread ring gauge.

Further, the abdicating hole is a round blind hole, and the diameter of the abdicating hole is slightly larger than that of the threaded rod.

Furthermore, the first end of the connecting piece is fixed on the motor rotating shaft through a clamping head.

Further, the motor is a permanent magnet motor.

Further, the motor is connected with a controller module, and the controller module controls the rotating speed and the forward and reverse rotation of the motor.

Furthermore, the input end of the controller module is connected with a switch button; and the power supply end of the controller is connected with a power supply through a transformer.

Further, the fixing piece is a mandrel fixed on the moving block, the threaded rod is a rod end body with external threads, and the rod end body is fixedly sleeved outside the mandrel.

According to the technical scheme, the motor drives the thread ring gauge, so that the threaded rod is driven to rotate along the internal thread of the thread ring gauge and then enters or exits the abdicating hole, and automatic thread tolerance detection is achieved. The device has the advantages of good adaptability, high efficiency, convenience in operation and high reliability.

Drawings

FIG. 1 is a general schematic view of one embodiment of a threaded rod thread tolerance detection apparatus of the present invention;

FIG. 2 is a schematic cross-sectional view of one embodiment of the threaded rod thread tolerance sensing device of FIG. 1;

FIG. 3 is a front view of the rod end body;

FIG. 4 is a side view of the rod end body.

In the drawings, the components represented by the respective reference numerals are listed below:

1. a connecting member; 11. a hole of abdication; 12. assembling a chuck; 2. a motor; 3. a thread ring gauge; 4. a fixing member; 5. a moving block; 6. a linear track; 7. a controller; 8. a transformer; 9. a switch button; 91. a power supply; 10. a threaded rod.

Detailed Description

In order to make the aforementioned and other objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below. It is apparent that the specific details set forth in the following description are merely exemplary of the utility model, which can be practiced in many other embodiments that depart from the specific details disclosed herein. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without any inventive step, are within the scope of the present invention.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the utility model herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model.

In one embodiment, referring to fig. 1 to 4, a thread tolerance detecting device for a threaded rod 10 includes: the device comprises a motor 2, a connecting piece 1, a thread ring gauge 3 and a fixing piece 4; the threaded rod 10 to be tested is arranged on the fixing part 4; the thread ring gauge 3 is connected with the connecting piece 1, and the connecting piece 1 is arranged on a rotating shaft of the motor 2 and is provided with a yielding hole 11; the axes of the threaded rod 10, the threaded ring gauge 3 and the rotating shaft of the motor 2 are all superposed; the motor 2 drives the thread ring gauge 3 to rotate and drives the threaded rod 10 to enter or exit the abdicating hole 11 after rotating along the internal thread of the thread ring gauge 3.

The fixing part 4 is a mandrel fixed on the moving block 5, the threaded rod 10 is a rod end body with external threads, and the rod end body is fixedly sleeved outside the mandrel. Of course, the threaded rod 10 may be other general threaded rods 10, which are not described as limitations in the present embodiment.

According to the technical scheme, the motor 2 drives the thread ring gauge 3, and then the threaded rod 10 is driven to rotate along the internal thread of the thread ring gauge 3 and then enters or exits the abdicating hole 11, so that automatic thread tolerance detection is achieved. The device has the advantages of good adaptability, high efficiency, convenience in operation and high reliability.

On the basis of the embodiment, the threaded rod 10 thread tolerance detection device further comprises a linear track 6 and a moving block 5, and the linear track and the moving block are fixedly connected with the fixing piece 4; when the threaded rod 10 enters or exits the abdicating hole 11, the threaded rod 10 and the moving block 5 do linear motion along the linear track 6. Specifically, the linear track 6 is a slide rail, the moving block 5 is a slider, and the moving block 5 is slidably connected in the linear track 6.

It can be understood that, through the use of slide rail and slider, can lead, support threaded rod 10, avoid its displacement in-process to take place to rock, guarantee the smooth and easy cooperation between threaded rod 10 and the screw ring gauge 3. Of course, the moving block 5 and the linear track 6 may not be provided, or a roller track and a roller may be used instead of the slider and the slide rail, which is not limited to the description in the embodiment.

In the embodiment, the first end of the connecting piece 1 is fixed on the rotating shaft of the motor 2, and the second end of the connecting piece 1 is fixedly connected with the thread ring gauge 3; the abdicating hole 11 is arranged at the second end of the connecting piece 1 and communicated with the central hole of the thread ring gauge 3. When in use, the threaded rod 10 passes through the central hole of the thread ring gauge 3 and enters the abdicating hole 11. Wherein, the abdicating hole 11 is a round blind hole, and the diameter is slightly larger than the threaded rod 10. Of course, it may have other shapes, through holes, etc., as long as it is possible to let the threaded rod 10 enter the abdicating hole 11. The first end of the connecting piece 1 is fixed on the rotating shaft of the motor 2 through the clamping head 12, so that the clamping head 12 can be replaced, and the quick maintenance effect can be achieved.

In the present embodiment, the motor 2 is a permanent magnet motor. Of course, it may be other motors, which are not described as limiting in this embodiment.

The motor 2 is connected with a controller 7 module, and the controller 7 module controls the rotating speed and the forward and reverse rotation of the motor 2. The motor 2 is a speed regulating motor to realize the control of the rotating speed and meet the adaptation use of different models of threaded rods 10.

Further, the input end of the controller 7 module is connected with a switch button 9; the power supply terminal of the controller 7 is connected to a power supply 91 through a transformer 8. The power supply 91 is transformed by the transformer 8 to supply power to the motor 2. The control signal is input through the switch button 9, and the switching of the positive rotation and the reverse rotation of the motor 2 is realized.

According to the scheme, parts such as a permanent magnet motor, a clamping head 12, a controller 7, a transformer 8, a moving block 5, a connecting piece 1 and the like are assembled and connected, the permanent magnet motor rotates to drive the whole set of connecting piece 1 and a thread ring gauge 3 to rotate, a rod end body is placed on a mandrel in the detection process, the mandrel is connected with a sliding block, the sliding block is moved, threads of the rod end body are in thread-following connection with the thread ring gauge 3, a forward and reverse button switch is pressed, the permanent magnet motor rotates to achieve a thread tolerance detection function, and therefore manual operation is achieved in a substituted mode; the rotating speed of the permanent magnet motor can be adjusted, so that the rotating speed can meet the function of the ring gauge in screwing in and out daily; meanwhile, the permanent magnet motor is connected with the controller 7, and the controller 7 can control the permanent magnet motor to rotate at a fixed speed, at a fixed time, in a forward and reverse direction and the like.

According to the technical scheme, the rotating speed and the positive and negative rotation of the thread ring gauge 3 can be regulated and controlled, and the thread ring gauge is suitable for products with different thread tolerance sizes; the specifically required rotating speed of the type is adjusted according to the actual condition of the product, and different thread ring gauges 3 and mandrels can be replaced according to different products, so that the detection of thread tolerance of multiple types and multiple series of products is met; the permanent magnet motor rotates to replace a manual operation mode, so that the detection efficiency can be greatly improved, and the workload of inspectors is reduced. When the device is used, an inspector places a rod end body on a mandrel, moves a miniature linear sliding block to enable the thread of the rod end body to be in smooth-tooth connection with the thread of a thread ring gauge 3, and presses a switch button 9 which rotates positively and negatively to realize the rotation of a permanent magnet motor, so that the ring gauge is driven to rotate, and the thread tolerance detection function is realized; in addition, since the thread ring gauge 3 requires a torque value during operation, in the present embodiment, when the torque value is exceeded, the thread ring gauge 3 is not forcibly rotated in, and the threaded rod 10 and the thread ring gauge 3 are not damaged.

The technical features of the above embodiments can be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the above embodiments are not described, but should be considered as the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above examples only show some embodiments of the present invention, and the description thereof is more specific and detailed, but not to be construed as limiting the scope of the utility model. It should be noted that, for those skilled in the art, various changes, substitutions and alterations can be made without departing from the spirit and scope of the utility model. Therefore, the protection scope of the present invention should be subject to the claims.

Claims

1. A threaded rod thread tolerance detection device, comprising: the device comprises a motor, a connecting piece, a thread ring gauge and a fixing piece; the threaded rod to be tested is arranged on the fixing piece; the thread ring gauge is connected with the connecting piece, and the connecting piece is arranged on the motor rotating shaft and is provided with a abdicating hole; the axes of the threaded rod, the threaded ring gauge and the motor rotating shaft are all overlapped; the motor drives the thread ring gauge to rotate and drives the threaded rod to enter or exit the abdicating hole after rotating along the internal thread of the thread ring gauge.

2. The threaded rod thread tolerance detection device of claim 1, further comprising a linear track and a moving block, the linear track and the moving block being fixedly connected to the fixing member; when the threaded rod enters or exits the abdicating hole, the threaded rod and the moving block do linear motion along the linear track.

3. The threaded rod thread tolerance detection device of claim 2, wherein the linear track is a slide track, the moving block is a slider, and the moving block is slidably connected in the linear track.

4. The threaded rod thread tolerance detection device of claim 1, wherein a first end of the connecting member is fixed to the motor shaft and a second end of the connecting member is fixedly connected to the thread gauging ring; the abdicating hole is formed in the second end of the connecting piece and communicated with the central hole of the thread ring gauge.

5. The threaded rod thread tolerance detection device of claim 4, wherein the relief hole is a circular blind hole and has a diameter slightly larger than the threaded rod.

6. The threaded rod thread tolerance detection device of claim 4, wherein the first end of the connector is secured to the motor shaft by a chuck.

7. The threaded rod thread tolerance detection device of claim 1, wherein the motor is a permanent magnet motor.

8. The threaded rod thread tolerance detection device of claim 1, wherein the motor is connected to a controller module that controls the speed and the forward and reverse rotation of the motor.

9. The threaded rod thread tolerance detection device of claim 8, wherein the input of the controller module is connected to a switch button; and the power supply end of the controller is connected with a power supply through a transformer.

10. The threaded rod thread tolerance detection device of claim 2, wherein the fixed member is a mandrel fixed to the moving block, the threaded rod is a rod end body with an external thread, and the rod end body is fixedly sleeved outside the mandrel.