CN217541852U - Measuring head mechanism of lead screw lead gauge - Google Patents
Measuring head mechanism of lead screw lead gauge Download PDFInfo
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- CN217541852U CN217541852U CN202123106926.3U CN202123106926U CN217541852U CN 217541852 U CN217541852 U CN 217541852U CN 202123106926 U CN202123106926 U CN 202123106926U CN 217541852 U CN217541852 U CN 217541852U
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Abstract
The utility model relates to a measuring head mechanism of a lead screw lead meter, which comprises a cylindrical measuring rod, a measuring rod seat, an angle measuring shaft, a shaft locking unit, an angle adjusting unit, an upper slide seat, a lower slide seat, a slide seat moving unit, an angle measuring feedback unit and a damping unit, wherein the upper slide seat is arranged on the lower slide seat through the slide seat moving unit; the lower sliding seat is installed on the bottom plate, and the front end of the bottom plate is provided with a damping unit. The utility model has the characteristics of measure the contact reliably, the transmission rigidity is high, and the mechanism volume obviously reduces, makes supporting degree of difficulty low to can solve the defect of the traditional measuring head of lead screw helical pitch appearance, provide an effectual solution way for this kind of instrument.
Description
Technical Field
The utility model relates to a lead screw helical pitch measuring apparatu, especially a lead screw lead appearance measuring head mechanism and measuring method.
Background
At present, a minimum lead screw of measuring 0.3mm pitch leads journey appearance, its measuring head need imbed the screw thread alveolus to with the reliable laminating of screw thread side, the mechanism need can transmit certain side load, this type lead screw leads journey appearance and has high performance requirement to measuring head mechanism. The prior method can only adopt a traditional ruby measuring needle generally, and under the condition of measuring a small pitch, the ball diameter of a ruby head needs to be less than 0.15mm, so that the manufacturing difficulty and the cost are high; the small-diameter measuring needle has poor rigidity and extremely poor lateral load transfer capacity, measurement errors are easily caused, and an effective solution is needed to be provided for the situations.
Disclosure of Invention
The to-be-solved technical problem of the utility model lies in, overcomes the problem that exists among the prior art, provides a lead screw helical pitch appearance measuring head mechanism, and mainly used lead screw lead appearance guarantees its reliable, high rigidity, high accuracy operation.
In order to solve the above problems, the technical solution of the present invention is as follows:
a measuring head mechanism of a lead screw lead gauge comprises a cylindrical measuring rod, a measuring rod seat, an angle measuring shaft, a shaft locking unit, an angle adjusting unit, an upper slide seat, a lower slide seat, a slide seat moving unit, an angle measuring feedback unit and a damping unit, wherein the upper slide seat is installed on the lower slide seat through the slide seat moving unit; the lower sliding seat is installed on the bottom plate, and the front end of the bottom plate is provided with a damping unit.
Furthermore, the cylindrical measuring rod is connected with the measuring rod seat in a bonding mode.
Furthermore, the measuring rod seat comprises measuring rod seats with various diameters, and the measuring rod seats can be fixed with the end faces of the angle measuring shafts respectively.
Furthermore, the rotation angle of the angle measuring shaft is rotationally adjusted by the angle adjusting unit, the rotation parameters according to the spiral angle of the thread are controlled and displayed by the angle measuring feedback unit, and the angle measuring shaft is reliably locked by the shaft locking unit.
Further, the upper sliding seat is driven by the sliding seat moving unit to move on the lower sliding seat; the damping unit is used for realizing connection or disconnection of the damping unit so as to control the stable movement of the measuring head.
Furthermore, during measurement, the cylindrical measuring rod is embedded into the thread tooth socket and is in contact with the single-side tooth surface.
The utility model has the advantages that: the utility model discloses owing to adopted above-mentioned mechanism, reached following target:
1) The cylindrical measuring rod is a standard matching part, has more diameter specifications, can be straight by 0.1mm at least, can adapt to threads with different thread pitches, and is convenient to select and purchase, short in matching time and low in cost.
2) After the cylindrical measuring rod is worn, the cylindrical measuring rod is fixed by a bonding method, and is quick and convenient to replace.
3) The cylindrical measuring rod is integrally arranged on the measuring seat, and is high in rigidity and lateral bearing capacity, and measuring force can be stably transmitted.
4) Through angle measurement adjustment, the cylindrical surface of the cylindrical measuring rod is in tangential contact with the threaded tooth, so that the contact is reliable, and the measurement precision is high.
5) And the damping unit is adopted to control the whole measuring head mechanism to stably move.
Therefore, the utility model discloses can solve the defect of the traditional measuring head of lead screw helical pitch appearance, provide an effectual solution way for this kind of instrument.
Drawings
Fig. 1 is a view showing a measuring head mechanism of a lead screw lead meter according to the present invention;
fig. 2 is the head schematic view of the measuring head cylinder measuring rod of the lead screw range finder.
Detailed Description
In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand and understand, the present invention is further explained by combining with the specific drawings.
As shown in fig. 1, the measuring head mechanism of the lead screw lead meter of the present embodiment includes a cylindrical measuring rod 1, a measuring rod seat 2, an angle measuring shaft 3, a shaft locking unit 4, an angle adjusting unit 5, an upper sliding seat 6, an angle measuring feedback unit 7, a sliding seat moving unit 8, a lower sliding seat 9, a bottom plate 10, and a damping unit 11.
The upper sliding seat 6 is installed on the lower sliding seat 9 through a sliding seat moving unit 8, the upper sliding seat 6 is provided with an angle measuring shaft 3, a shaft locking unit 4 is arranged between the angle measuring shaft 3 and the upper sliding seat 6, the front end of the angle measuring shaft 3 is connected with a cylindrical measuring rod 1 through a measuring rod seat 2, the rear portion of the angle measuring shaft is connected with an angle adjusting unit 5, and the rear end of the angle measuring shaft penetrates through the upper sliding seat 6 and then is connected with an angle measuring feedback unit 7. The lower slide 9 is arranged on a bottom plate 10, and a damping unit 11 is arranged at the front end of the bottom plate 10.
The cylindrical measuring rod 1 is connected with the measuring rod seat 2 by adopting a bonding method. The measuring rod seat 2 comprises a plurality of diameter measuring rod seats which can be respectively fixed with the end face of the angle measuring shaft 3; the angle measuring shaft 3 can rotate, the angle of the angle measuring shaft is controlled and displayed by the angle adjusting unit 5 and the angle measuring feedback unit 7, the rotation parameters are according to the thread helix angle, and the shaft locking unit 4 can reliably lock the rotation parameters; the upper slide 6 is driven by a moving unit 8 and can move on a lower slide 9; the damping unit 11 is connected and disconnected to control the stable movement of the measuring head.
As shown in fig. 2, the head structure of the cylindrical measuring rod is: the cylindrical measuring rod 1 is connected with the measuring rod seat 2, and the cylindrical measuring rod is embedded into the thread groove and is in contact with the tooth surface on one side during measurement.
A measuring method adopting a measuring head mechanism of a lead screw lead gauge comprises the following steps:
firstly, a corresponding cylindrical measuring rod 1 and a corresponding measuring rod seat 2 are selected according to the thread pitch of the thread and are fixed on the front end face of an angle measuring shaft 3.
Secondly, according to the thread helix angle, the angle measuring shaft 3 and the measuring rod seat 2 are adjusted to corresponding angles through the angle adjusting unit 5 and the angle measuring feedback unit 7, and are reliably locked through the shaft locking unit 4.
Thirdly, the lower slide seat 9 is adjusted to a corresponding position according to different thread diameters, and the movement allowance of the upper slide seat 6 is reserved.
Fourthly, the upper sliding seat 6 is driven and adjusted through the moving unit 8, the cylindrical measuring rod 1 is controlled to be embedded into the thread tooth socket, and an axial gap is required to be reserved between the cylindrical measuring rod 1 and the thread tooth socket so as to ensure that the cylindrical measuring rod 1 cannot be simultaneously contacted with the side surface of the thread tooth.
Fifth, a measuring head motion damping unit 11 is connected.
Sixthly, after the measurement is finished, the upper sliding seat 6 is controlled to move outwards, the measuring head 1 retreats from the thread, and the measuring head mechanism of the lead screw lead gauge can move axially freely.
The foregoing shows and describes the basic principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited to the above embodiments, and the above embodiments and descriptions are only illustrative of the principles of the present invention, and that various changes and modifications may be made without departing from the spirit and scope of the invention, and all such changes and modifications fall within the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (6)
1. The utility model provides a lead screw helical pitch appearance measuring head mechanism which characterized in that: the device comprises a cylindrical measuring rod, a measuring rod seat, an angle measuring shaft, a shaft locking unit, an angle adjusting unit, an upper sliding seat, a lower sliding seat, a sliding seat moving unit, an angle measuring feedback unit and a damping unit, wherein the upper sliding seat is installed on the lower sliding seat through the sliding seat moving unit, the angle measuring shaft is installed in the upper sliding seat, the shaft locking unit is arranged between the angle measuring shaft and the upper sliding seat, the front end of the angle measuring shaft is connected with the cylindrical measuring rod through the measuring rod seat, the rear end of the angle measuring shaft is connected with the angle adjusting unit, and the rear end of the angle measuring shaft penetrates through the upper sliding seat and then is connected with the angle measuring feedback unit; the lower sliding seat is installed on the bottom plate, and the front end of the bottom plate is provided with a damping unit.
2. The lead screw odometer measuring head mechanism of claim 1, wherein: the cylindrical measuring rod is connected with the measuring rod seat in a bonding mode.
3. The lead screw odometer measuring head mechanism of claim 1, wherein: the measuring rod seat comprises measuring rod seats with various diameters and can be fixed with the end faces of the angle measuring shafts respectively.
4. The lead screw odometer measuring head mechanism of claim 1, wherein: the rotation angle of the angle measuring shaft is rotationally adjusted by the angle adjusting unit, the rotation parameters according to the thread helix angle are controlled and displayed by the angle measuring feedback unit, and the angle measuring shaft is reliably locked by the shaft locking unit.
5. The lead screw odometer measuring head mechanism of claim 1, wherein: the upper sliding seat is driven by the sliding seat moving unit to move on the lower sliding seat; the damping unit is used for realizing connection or disconnection of the damping unit so as to control the measuring head to move stably.
6. The lead screw odometer measuring head mechanism of claim 1, wherein: during measurement, the cylindrical measuring rod is embedded into the thread tooth socket and is in contact with the single-side tooth surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123106926.3U CN217541852U (en) | 2021-12-02 | 2021-12-02 | Measuring head mechanism of lead screw lead gauge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123106926.3U CN217541852U (en) | 2021-12-02 | 2021-12-02 | Measuring head mechanism of lead screw lead gauge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217541852U true CN217541852U (en) | 2022-10-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123106926.3U Active CN217541852U (en) | 2021-12-02 | 2021-12-02 | Measuring head mechanism of lead screw lead gauge |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217541852U (en) |
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2021
- 2021-12-02 CN CN202123106926.3U patent/CN217541852U/en active Active
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