CN216201813U - Roughness appearance is with assisting utensil suitable for coarse pitch trapezoidal screw rod - Google Patents
Roughness appearance is with assisting utensil suitable for coarse pitch trapezoidal screw rod Download PDFInfo
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- CN216201813U CN216201813U CN202122450907.6U CN202122450907U CN216201813U CN 216201813 U CN216201813 U CN 216201813U CN 202122450907 U CN202122450907 U CN 202122450907U CN 216201813 U CN216201813 U CN 216201813U
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Abstract
The utility model discloses an auxiliary tool for a roughness meter suitable for a large-pitch trapezoidal screw, which comprises a support frame, a bottom workbench, a vertical adjusting frame, a top workbench, a mounting bracket and a contact pin type surface roughness measuring instrument, wherein a workpiece to be measured is a large-pitch trapezoidal screw rod piece, the bottom workbench is provided with an adjusting disc and an adjusting knob, the vertical adjusting frame is provided with a threaded guide rail and an operating knob, the top workbench is provided with an adjusting disc and an adjusting knob, the central line of the vertical adjusting bracket is superposed with the axial line of the adjusting disc on the bottom workbench, and the central point of the bottom surface of the bracket and the axial line of the adjusting disc on the top workbench are in the same straight line. The method can realize accurate measurement of the roughness of the outer surface of the thread, is simple in auxiliary tool operation, and improves the efficiency of measuring the roughness of the surface of the thread.
Description
Technical Field
The utility model relates to an auxiliary tool for a roughness meter suitable for a large-pitch trapezoidal screw, and belongs to the field of machining equipment.
Background
The large-pitch trapezoidal screw can bear large torque, so that the large-pitch trapezoidal screw is widely applied to large equipment as an important component and has the functions of connecting, fastening, transmitting power and the like, for large-pitch trapezoidal threads, the surface roughness is an important detection index, generally, the large-pitch trapezoidal screw is formed by a processing method and other factors adopted in the processing process, such as metal plastic deformation and high-frequency vibration in a process system, the large roughness of the outer surface of the screw can cause large noise of screw transmission, the reduction of the rigidity of the screw and the like, the accuracy and the service life of the screw are reduced, and therefore, the measurement of the roughness of the outer surface of the screw is a very necessary process.
At present, the general efficiency of the method for measuring the surface roughness of the large-pitch trapezoidal screw is low, the method is long in time consumption and cannot guarantee that accurate roughness is obtained after the thread is obtained through means such as wire cutting, and in addition, the manual error of handheld measurement is large, so that related auxiliary tools are necessarily designed to improve the measurement accuracy and efficiency.
SUMMERY OF THE UTILITY MODEL
In view of the above, the utility model provides an auxiliary tool for a roughness meter, which is suitable for a large-pitch trapezoidal screw, has a simple structure and a reasonable design, can realize the measurement of the roughness of the surface of the thread in real time and quickly, solves the problem of low efficiency of the measurement of the roughness of the surface of the thread at present, and is convenient to popularize and apply.
An assistive device for a roughness meter suitable for a large-pitch trapezoidal screw comprises: the device comprises a support frame, a bottom workbench, a vertical adjusting frame, a mounting bracket, a contact pin type surface roughness measuring instrument and a top workbench; the method is characterized in that: but height-adjusting's support frame, bottom workstation pass through bolted connection and set up on the support frame, and vertical alignment jig sets up on bottom workstation, is equipped with the screw thread guide rail in the vertical alignment jig, and top workstation is connected with the screw thread guide rail through linking bridge, is equipped with the installing support on the top workstation, and the setting of stylus formula roughness measuring apparatu is on the installing support.
Foretell roughness meter suitable for coarse pitch trapezoidal screw is with assisting utensil, its characterized in that: the top of the bottom workbench is provided with an adjusting plate with a circular and rotatable surface, and the side surface of the bottom workbench is provided with an adjusting knob for adjusting the adjusting plate.
Foretell roughness meter suitable for coarse pitch trapezoidal screw is with assisting utensil, its characterized in that: a threaded guide rail is arranged in the vertical adjusting frame, and a cylindrical operating knob is arranged at the top of the vertical adjusting frame; the vertical adjusting frame is fixed on the adjusting disc through bolt connection, and the central line of the vertical adjusting frame coincides with the axial line of the adjusting disc on the bottom workbench.
Foretell roughness meter suitable for coarse pitch trapezoidal screw is with assisting utensil, its characterized in that: the top workbench is provided with an adjusting disc with a round surface, and the side surface of the top workbench is provided with an adjusting knob for adjusting the adjusting disc.
Foretell roughness meter suitable for coarse pitch trapezoidal screw is with assisting utensil, its characterized in that: the mounting bracket is fixedly connected on the adjusting disc through a bolt, and the center point of the bottom surface of the mounting bracket and the axis of the adjusting disc on the top workbench are in the same straight line.
The utility model has the following advantages:
1. the contact pin type surface roughness measuring instrument is adjusted through the bottom workbench, the vertical adjusting frame and the top workbench which are arranged on the auxiliary tool, so that the moving angle and the range of the contact pin type surface roughness measuring instrument are improved, the contact pin type surface roughness measuring instrument can accurately reach a working position, and the measurement of different thread surfaces is completed.
2. When the auxiliary tool is used for measuring the roughness of the outer surface of the thread, the thread mechanism does not need to be detached from a machine tool, and the real-time roughness measurement can be carried out on the thread mechanism, so that the working efficiency of workers is improved.
3. Should assist utensil structure firm, be difficult for producing when receiving the working vibration and rock to improve roughness measurement's accuracy nature, can effectively eliminate handheld measuring human error.
4. The auxiliary tool is simple in structure, reasonable in design, low in manufacturing cost and convenient to popularize and use.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is an exploded view of the structure of the present invention;
FIG. 3 is a schematic view of an exemplary structural measurement of the present invention;
FIG. 4 is a schematic view of a large pitch trapezoidal screw to be tested according to the present invention;
FIG. 5 is a schematic view of the internal structure of the bottom stage according to the present invention;
FIG. 6 is a schematic view of the internal structure of the top table of the present invention;
FIG. 7 is a schematic view of the vertical adjustment bracket of the present invention;
FIG. 8 is a left side view of the top table of the present invention.
In the figure:
1-a support frame; 2-bottom table; 2-1-adjusting disk; 2-adjusting knob; 2-3-pinion; 2-4-gearwheel; 2-5-gear shaft; 2-6-rotation axis;
3-vertical adjusting bracket; 3-1-a threaded guide; 3-2-operating knob; 4, mounting a bracket;
5-contact pin type surface roughness measuring instrument; 5-1-stylus displacement sensor;
6, a top workbench; 6-1-adjusting disk; 6-2-adjusting knob; 6-3-pinion; 6-4-gearwheel; 6-5-gear shaft; 6-rotating shaft; 6-7-connecting bracket;
7-coarse pitch trapezoidal screw rod piece.
Detailed Description
The following is a detailed description of the features and methods of use of the present invention, taken in conjunction with the accompanying drawings.
As shown in fig. 1 to 8, the utility model comprises; the device comprises a support frame 1, a bottom workbench 2, a vertical adjusting frame 3, a mounting support 4, a contact pin type surface roughness measuring instrument 5 and a top workbench 6, wherein the support frame 1 is a tripod with adjustable height, the bottom workbench 2 is arranged on the support frame 1 through bolt connection, the vertical adjusting frame 3 is arranged on the bottom workbench 2, a threaded guide rail 3-1 is arranged in the vertical adjusting frame 3, the top workbench 6 is connected with the threaded guide rail 3-1 through a connecting support 6-7, the mounting support 4 is arranged on the top workbench 6, the contact pin type surface roughness measuring instrument 5 is arranged on the mounting support 4, and a workpiece to be measured in the example is a large-pitch trapezoidal screw rod piece 7.
The bottom working table 2 is provided with an adjusting disc 2-1 and an adjusting knob 2-2, the surface of the adjusting disc 2-1 is a circular surface, a pinion 2-3, a gearwheel 2-4, a gear shaft 2-5 and a rotating shaft 2-6 are arranged inside the bottom working table 2, the pinion 2-3 is arranged on the gear shaft 2-4, the gear shaft 2-5 is fixed with the adjusting knob 2-2, the gearwheel 2-4 is meshed with the pinion 2-3, the gearwheel 2-4 and the adjusting disc 2-1 are arranged on the rotating shaft 2-6, the small gear 2-3 is driven to be meshed with the large gear 2-4 for transmission through the operation knob 2-2, the large gear 2-4 rotates to drive the adjusting disc 2-1 to rotate, and the horizontal working angle adjustment of the contact pin type surface roughness measuring instrument 5 is completed; a threaded guide rail 3-1 is arranged in the vertical adjusting frame 3, and an operating knob 3-2 is arranged on the vertical adjusting frame 3; the top workbench 6 is provided with an adjusting disc 6-1 and an adjusting knob 6-2, the surface of the adjusting disc 6-1 is a circular surface, the top workbench 6 is provided with a connecting support 6-7, the connecting support 6-7 is installed on a threaded guide rail 3-1 through internal threads, the adjusting knob 3-2 is rotated to drive the threaded guide rail 3-1 to rotate, the vertical height of the top workbench 6 is changed, and therefore the vertical working position of the contact pin type surface roughness measuring instrument 5 is adjusted; a small gear 6-3, a large gear 6-4, a gear shaft 6-5 and a rotating shaft 6-6 are arranged inside the top workbench 6, the small gear 6-3 is installed on the gear shaft 6-4, the gear shaft 6-5 is fixed with an adjusting knob 6-2, the large gear 6-4 is meshed with the small gear 6-3, the large gear 6-4 and an adjusting disc 6-1 are installed on the rotating shaft 6-6, the small gear 6-3 is driven to be meshed with the large gear 6-4 for transmission by operating the knob 6-2, and the large gear 6-4 rotates to drive the adjusting disc 6-1 to rotate, so that the self-rotation angle adjustment of the contact pin type surface roughness measuring instrument 5 is completed; the 7-tooth type of the large-pitch trapezoidal screw rod is trapezoidal.
In the embodiment, the large-pitch trapezoidal screw rod 7 with the size of 148mm large diameter, 140mm middle diameter, 132mm small diameter and 18mm pitch and the tooth shape of trapezoidal shape is selected, the contact pin type roughness measuring instrument with the model of Beijing era TR200 is selected, the size of 140 multiplied by 52 multiplied by 48mm, the contact pin type surface roughness measuring instrument 5 can reach the specified working position to measure the workpiece to be measured through the bottom workbench 2, the vertical adjusting frame 3 and the top workbench 6 arranged on the supporting frame 1, the workpiece to be measured is the large-pitch trapezoidal screw rod 7, when in actual use, the horizontal working angle of the contact pin type surface roughness measuring instrument 5 is adjusted through adjusting the adjusting disc 2-1 by the adjusting knob 2-2, the height of the top workbench 6 is adjusted by operating the knob 3-2, so as to adjust the vertical working position of the contact pin type surface roughness measuring instrument 5, the contact pin displacement sensor 5-1 on the contact pin type surface roughness measuring instrument 5 is attached to the surface to be measured on the large-pitch trapezoidal screw rod 7 by adjusting the adjusting disc 6-1 through the adjusting knob 6-2, the contact pin displacement sensor 5-1 on the contact pin type surface roughness measuring instrument 5 measures the change of the geometric shape of the surface to be measured on the large-pitch trapezoidal screw rod 7, and therefore the surface roughness value of the surface to be measured on the large-pitch trapezoidal screw rod 7 is obtained, and the problem of measuring the surface roughness on the large-pitch trapezoidal screw rod 7 is solved.
Finally, it should be noted that: the above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not intended to limit the present invention, and all such modifications and variations are within the scope of the present invention.
Claims (5)
1. An assistive device for a roughness meter suitable for a large-pitch trapezoidal screw comprises: the device comprises a support frame (1), a bottom workbench (2), a vertical adjusting frame (3), a mounting bracket (4), a contact pin type surface roughness measuring instrument (5) and a top workbench (6); the method is characterized in that: the height-adjustable tripod is arranged on the supporting frame (1), the bottom workbench (2) is arranged on the supporting frame (1) through bolt connection, the vertical adjusting frame (3) is arranged on the bottom workbench (2), a threaded guide rail (3-1) is arranged in the vertical adjusting frame (3), the top workbench (6) is connected with the threaded guide rail (3-1) through a connecting support (6-7), a mounting support (4) is arranged on the top workbench (6), and the contact pin type surface roughness measuring instrument (5) is arranged on the mounting support (4).
2. An assistive device for a roughness meter adapted for a large pitch trapezoidal screw as set forth in claim 1, wherein: the top of the bottom workbench (2) is provided with an adjusting disc (2-1) with a circular and rotatable surface, and the side surface is provided with an adjusting knob (2-2) for adjusting the adjusting disc (2-1).
3. An assistive device for a roughness meter adapted for a large pitch trapezoidal screw as set forth in claim 1, wherein: a threaded guide rail (3-1) is arranged in the vertical adjusting frame (3), and a cylindrical operating knob (3-2) is arranged at the top of the vertical adjusting frame; the vertical adjusting frame (3) is fixed on the adjusting disc (2-1) through bolt connection, and the central line of the vertical adjusting frame (3) is superposed with the axial line of the adjusting disc (2-1) on the bottom workbench (2).
4. An assistive device for a roughness meter adapted for a large pitch trapezoidal screw as set forth in claim 1, wherein: an adjusting disc (6-1) with a round surface is arranged on the top workbench (6), and an adjusting knob (6-2) for adjusting the adjusting disc (6-1) is arranged on the side surface.
5. An assistive device for a roughness meter adapted for a large pitch trapezoidal screw as set forth in claim 1, wherein: the mounting bracket (4) is fixedly connected to the adjusting disc (6-1) through bolts, and the center point of the bottom surface of the mounting bracket (4) and the axial lead of the adjusting disc (6-1) on the top workbench (6) are in the same straight line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122450907.6U CN216201813U (en) | 2021-10-12 | 2021-10-12 | Roughness appearance is with assisting utensil suitable for coarse pitch trapezoidal screw rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122450907.6U CN216201813U (en) | 2021-10-12 | 2021-10-12 | Roughness appearance is with assisting utensil suitable for coarse pitch trapezoidal screw rod |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216201813U true CN216201813U (en) | 2022-04-05 |
Family
ID=80864067
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122450907.6U Active CN216201813U (en) | 2021-10-12 | 2021-10-12 | Roughness appearance is with assisting utensil suitable for coarse pitch trapezoidal screw rod |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216201813U (en) |
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2021
- 2021-10-12 CN CN202122450907.6U patent/CN216201813U/en active Active
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