CN211576224U - Large-stroke sensor position adjusting mechanism - Google Patents
Large-stroke sensor position adjusting mechanism Download PDFInfo
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- CN211576224U CN211576224U CN202020512529.2U CN202020512529U CN211576224U CN 211576224 U CN211576224 U CN 211576224U CN 202020512529 U CN202020512529 U CN 202020512529U CN 211576224 U CN211576224 U CN 211576224U
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- guide rail
- roller
- spring
- sliding frame
- fine adjustment
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Abstract
The utility model discloses a large stroke sensor position adjusting mechanism, which comprises a sliding frame (2), a fine adjustment mechanism, a guide rail (1) provided with a guide rail groove, a roller provided with a step used in cooperation with the guide rail groove, and a spring pre-tightening mechanism which is used for realizing the centering problem of the roller and the guide rail groove and can automatically adjust the abrasion clearance; the sliding frame is arranged in the guide rail (1), the roller and the spring pre-tightening mechanism are arranged in the sliding frame (2), a hand wheel is arranged at one end of the roller, the fine adjustment mechanism is correspondingly arranged on the left side of the sliding frame, the sensor fixing screw is arranged in the fine adjustment mechanism from the right side, and the roller and the guide rail surface are in contact with the surface. The mechanism has relatively low requirement on the machining precision of parts, simple structure and automatic gap adjustment function, and can not generate a virtual position and pause feeling after long-term use. The device is suitable for sensor adjusting mechanisms of measuring instruments such as a roughness meter, a contourgraph and a roundness meter. If different strokes are needed, only the guide rail needs to be machined to different lengths, so that the technical difficulty and the cost are low.
Description
Technical Field
The utility model relates to a big stroke sensor especially relates to a big stroke sensor position adjustment mechanism.
Background
Along with recent economic growth in China, the machining and manufacturing industry in China is well developed and the technology is improved, and measuring instruments are popularized on the premise of improving machining precision continuously. The measuring instrument is relatively expensive equipment, and a user manufacturer has various parts with different sizes to be detected by the measuring instrument, so that the measuring range and the adjustable stroke of the instrument can meet the requirements.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a solve above-mentioned technical problem, provide and a big stroke sensor position adjustment mechanism, this mechanism is relatively lower to the part machining precision requirement, simple structure, and automatic adjustment clearance function can not go out after long-term the use virtual position and the feeling of frustrating.
The utility model discloses a realize through following technical scheme:
a large-stroke sensor position adjusting mechanism comprises a sliding frame, a fine adjustment mechanism, a guide rail provided with a guide rail groove, a roller provided with a step matched with the guide rail groove, and a spring pre-tightening mechanism which is used for realizing the centering problem of the roller and the guide rail groove and can automatically adjust the abrasion clearance; the sliding frame is arranged in the guide rail, the roller and the spring pre-tightening mechanism are arranged in the sliding frame, a hand wheel is arranged at one end of the roller, the fine adjustment mechanism is correspondingly arranged on the left side of the sliding frame, the sensor fixing screw is arranged in the fine adjustment mechanism from the right side, and the roller and the guide rail surface with the guide rail groove are in surface contact.
The spring pre-tightening mechanism comprises a pre-tightening spring and a spring pressing disc; the spring pressing disc is arranged in the sliding frame, 2 spring holes are formed in the spring pressing disc in the horizontal direction, and the pre-tightening springs are arranged in the spring holes in the spring pressing disc.
The fine adjustment mechanism comprises a fine adjustment handle screw, a fine adjustment bracket and an inclined adjustment screw; the screws of the fine adjustment support are correspondingly arranged on the left side of the sliding frame, the fine adjustment handle screws are arranged in the fine adjustment support from the top end, the inclined adjustment screws are arranged in the fine adjustment support from the front end, and the sensor fixing screws are arranged in the fine adjustment support from the right side.
The guide rail adopt the bearing steel material to make, process out the guide rail groove of one 6 degrees on the guide rail cylinder, guide rail groove bottom width is 2mm and gyro wheel cooperation, the outer rounding of guide rail cylinder surface, within 0.4um of roughness, the trapezoidal step of a 6 degrees of gyro wheel processing, the bottom width is 2.1mm.
The guide rail groove is a trapezoid groove, and a 6-degree trapezoid groove is processed on the cylindrical surface of the guide rail.
The direction of the sliding frame is aligned with the trapezoidal groove of the guide rail and then is arranged in the guide rail.
Compared with the prior art, the utility model discloses following profitable technological effect has:
the utility model provides a big stroke sensor position adjustment mechanism, the spring pretightning force of its pretension spring can realize the centering problem in guide rail groove on trapezoidal step and the guide rail on the gyro wheel, still can the automatic adjustment wearing and tearing clearance in addition. The contact between the roller and the guide rail is surface-to-surface, so that no pause or contusion is caused during adjustment and matching.
The utility model provides a big stroke sensor position adjustment mechanism, it is relatively lower to spare part machining precision requirement, simple structure, automatic adjustment clearance function moreover can not go out after long-term the use virtual position and the feeling of frustrating. The device is suitable for sensor adjusting mechanisms of measuring instruments such as a roughness meter, a contourgraph and a roundness meter. If different strokes are needed, only the guide rail needs to be machined to different lengths, so that the technical difficulty and the cost are low.
Drawings
Fig. 1 is a schematic view of a front view structure of a position adjustment mechanism of a large-stroke sensor provided by the present invention;
fig. 2 is a top view and a cross-sectional view of the large stroke sensor position adjustment mechanism provided by the present invention.
Wherein, 1 is a guide rail; 2 is a sliding frame; 3 is a hand wheel; 4 is a fine adjustment handle screw; 5 is a fine adjustment bracket; 6 is an inclined adjusting screw; 7 is a sensor fixing screw; 8 is a pre-tightening spring; 9 is a spring pressing disc; 10 is a roller.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The present invention will be described in further detail below with reference to specific embodiments and with reference to the accompanying drawings.
Referring to fig. 1 to 2, a large stroke sensor position adjusting mechanism includes a carriage 2, a fine adjustment mechanism, a guide rail 1 provided with a guide rail groove, a roller 10 provided with a step used in cooperation with the guide rail groove, and a spring pre-tightening mechanism for achieving the centering problem of the roller and the guide rail groove and automatically adjusting an abrasion gap; the sliding frame 2 is arranged in the guide rail 1, the roller 10 and the spring pre-tightening mechanism are arranged in the sliding frame 2, the hand wheel 3 is arranged at one end of the roller 10, the fine adjustment mechanism is correspondingly arranged on the left side of the sliding frame 2, the sensor fixing screw 7 is arranged in the fine adjustment mechanism from the right side, and the roller 10 and the surface of the guide rail 1 with the guide rail groove are in surface contact.
The spring pre-tightening mechanism comprises a pre-tightening spring 8 and a spring pressing disc 9; the spring pressing disc 9 is arranged in the sliding frame 2, 2 spring holes are formed in the spring pressing disc 9 in the horizontal direction, and the pre-tightening spring 8 is arranged in the spring hole in the spring pressing disc 9.
The fine adjustment mechanism comprises a fine adjustment handle screw 4, a fine adjustment bracket 5 and an inclined adjustment screw 6; the screws of the fine adjustment support 5 are correspondingly arranged on the left side of the sliding frame 2, the fine adjustment handle screws 4 are arranged in the fine adjustment support 5 from the top end, the inclined adjustment screws 6 are arranged in the fine adjustment support 5 from the front end, and the sensor fixing screws 7 are arranged in the fine adjustment support 5 from the right side.
The guide rail groove is a trapezoid groove, and a 6-degree trapezoid groove is processed on the cylindrical surface of the guide rail.
The sliding frame 2 is arranged in the guide rail 1 and is aligned with the trapezoidal groove of the guide rail 1.
Specifically, the utility model provides a big stroke sensor position adjustment mechanism: the sliding frame 2 is arranged in the guide rail 1, the direction is aligned with the trapezoidal groove of the guide rail 1, the roller 10 is arranged in the sliding frame 2, the spring pressing disc 9 is arranged in the sliding frame 2, the pre-tightening spring 8 is arranged in 2 spring holes in the spring pressing disc 9, wherein 2 spring holes are in the horizontal direction, the fine adjustment support is also arranged on the left side of the sliding frame 2 corresponding to screws, the hand wheel 3 is arranged at one end of the roller 10, the fine adjustment handle screw 4 is arranged in the fine adjustment support 5 from the top end, the inclined adjustment screw 6 is arranged in the fine adjustment support 5 from the front end, and the sensor fixing screw 7 is arranged in.
The utility model discloses a theory of operation does: the rotation of the roller 10 is transmitted by the left-right rotation of the hand wheel 3, the trapezoidal surface of the roller 10 and the trapezoidal surface of the guide rail form surface-to-surface contact, and certain friction force and guiding effect are generated. Thereby driving the up-and-down movement of the sliding frame 2 and achieving the effect of design and use.
Specifically, the utility model discloses following beneficial effect has:
1. the guide rail is made of bearing steel materials, a 6-degree trapezoidal groove is processed on the cylindrical surface of the guide rail, and the width of the bottom of the trapezoidal groove is 2mm and is matched with the roller. The surface of the guide rail cylinder is ground to be round, and the surface roughness is within 0.4 um.
2. The gyro wheel processes a 6 degrees trapezoidal steps, and the bottom width is 2.1mm.
3. The spring pretightening force of the pretightening spring can realize the centering problem of the trapezoidal steps on the roller and the guide rail groove on the guide rail, and can also automatically adjust the abrasion clearance.
4. The contact between the roller and the guide rail is surface-to-surface, so that no pause or contusion is caused during adjustment and matching.
5. If different strokes are needed, only the guide rail needs to be machined to different lengths, so that the technical difficulty and the cost are low. It should be noted that the width of the bottom of the trapezoidal groove on the guide rail is 2mm, and the width of the trapezoidal bottom of the roller is 2.1mm, so that the two bottoms are not contacted, and the inclined surfaces of the two bottoms are contacted, and the two bottoms are pressed against the spring to achieve the self-adjusting function.
And simultaneously, the utility model provides a big stroke sensor position adjustment mechanism, when owing to measuring instrument uses, can meet the part (nonstandard) of various sizes, if meet this condition, this mechanism only needs to be changed and adds the long guide rail, can realize, consequently makes the stroke strengthen, and the pretension spring is through the thrust to the gyro wheel, has formed the gyro wheel and the certain pretightning force of guide rail, has played frictional force, can drive and reciprocate also can realize self-locking function, linear stability, and the resistance is littleer, and the operation is felt. If the stroke needs to be changed, only the guide rail needs to be replaced, the cost is low, and the period is short. The moving stroke is 1-70mm (the stroke length can be customized); manual positioning: 1 um; torsion: 10N. Meanwhile, the guide rail is cylindrical, so that the guide rail is easy to machine and guarantee the size when being used for machining and grinding the outer circle, the resistance is smaller, the machining difficulty is far lower than that of gear rack or screw rod transmission, the size of the outer circle of the guide rail is well controlled on a grinding machine, and the moving linearity is not influenced when the taper degrees at two ends are controlled within 0.01 mm.
The utility model provides a big stroke sensor position adjustment mechanism, it is relatively lower to spare part machining precision requirement, simple structure, automatic adjustment clearance function moreover can not go out after long-term the use virtual position and the feeling of frustrating. The device is suitable for sensor adjusting mechanisms of measuring instruments such as a roughness meter, a contourgraph and a roundness meter.
The invention solves the following technical problems in the prior art:
1. the requirement on the machining precision of the gear rack is high.
2. The requirement on the matching precision of mechanical parts is high.
3. The assembly process has high requirements.
4. The self-locking function cannot be realized.
5. After long-time use, the gear and the rack are abraded, and the fit clearance between the gear and the rack cannot be adjusted due to the virtual position formed on the surface.
6. If special requirements need to lengthen the stroke, the long rack needs to be customized, and the period is long and the cost is high.
The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (6)
1. A large-stroke sensor position adjusting mechanism is characterized by comprising a sliding frame (2), a fine adjustment mechanism, a guide rail (1) provided with a guide rail groove, a roller (10) provided with a step matched with the guide rail groove, and a spring pre-tightening mechanism which is used for realizing the centering problem of the roller and the guide rail groove and can automatically adjust the abrasion clearance; the sliding frame (2) is arranged in the guide rail (1), the roller (10) and the spring pre-tightening mechanism are arranged in the sliding frame (2), a hand wheel (3) is arranged at one end of the roller (10), the fine adjustment mechanism is correspondingly arranged on the left side of the sliding frame (2), the sensor fixing screw (7) is arranged in the fine adjustment mechanism from the right side, and the roller (10) and the guide rail (1) with the guide rail groove are in surface contact.
2. The large-stroke sensor position adjusting mechanism as claimed in claim 1, wherein the spring pre-tightening mechanism comprises a pre-tightening spring (8) and a spring pressing plate (9); the spring pressing disc (9) is arranged in the sliding frame (2), 2 spring holes are formed in the spring pressing disc (9) in the horizontal direction, and the pre-tightening spring (8) is arranged in the spring hole in the spring pressing disc (9).
3. The large stroke sensor position adjusting mechanism according to claim 1 or 2, wherein the fine adjustment mechanism comprises a fine adjustment handle screw (4), a fine adjustment bracket (5) and an inclined adjustment screw (6); the screw of fine setting support (5) correspond and pack into carriage (2) left side, in fine setting support (5) is packed into from the top to fine setting handle screw (4), in slope adjustment screw (6) are packed into fine setting support (5) from the front end, sensor fixed screw (7) are packed into in fine setting support (5) from the right side.
4. The large-stroke sensor position adjusting mechanism according to claim 1 or 2, wherein the guide rail (1) is made of a bearing steel material, a guide rail groove with 6 degrees is processed on the cylindrical surface of the guide rail, the width of the bottom of the guide rail groove is 2mm and is matched with the roller, the surface of the cylindrical surface of the guide rail is ground to be round, the surface roughness is within 0.4um, the roller is processed to be a trapezoidal step with 6 degrees, and the width of the bottom is 2.1mm.
5. The large-stroke sensor position adjusting mechanism as claimed in claim 4, wherein the guide rail groove is a trapezoidal groove, and a 6-degree trapezoidal groove is formed on the cylindrical surface of the guide rail.
6. The large stroke sensor position adjusting mechanism according to claim 1 or 2, wherein the carriage (2) is inserted into the guide rail (1) after being aligned with the dovetail groove of the guide rail (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020512529.2U CN211576224U (en) | 2020-04-09 | 2020-04-09 | Large-stroke sensor position adjusting mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020512529.2U CN211576224U (en) | 2020-04-09 | 2020-04-09 | Large-stroke sensor position adjusting mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211576224U true CN211576224U (en) | 2020-09-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020512529.2U Active CN211576224U (en) | 2020-04-09 | 2020-04-09 | Large-stroke sensor position adjusting mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211576224U (en) |
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2020
- 2020-04-09 CN CN202020512529.2U patent/CN211576224U/en active Active
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