CN212553666U - Adjustable clamping ring torque fastening device - Google Patents
Adjustable clamping ring torque fastening device Download PDFInfo
- Publication number
- CN212553666U CN212553666U CN202021188742.9U CN202021188742U CN212553666U CN 212553666 U CN212553666 U CN 212553666U CN 202021188742 U CN202021188742 U CN 202021188742U CN 212553666 U CN212553666 U CN 212553666U
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- clamping ring
- torque sensor
- pulling
- fastener
- clamping
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- 238000003825 pressing Methods 0.000 claims abstract description 23
- 230000005540 biological transmission Effects 0.000 claims description 4
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 claims description 2
- 230000003287 optical effect Effects 0.000 abstract description 8
- 238000000034 method Methods 0.000 abstract description 6
- 238000005259 measurement Methods 0.000 abstract description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 238000013139 quantization Methods 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
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Abstract
The utility model belongs to be optical element assembly and precision measurement field, especially relate to a clamping ring moment fastener with adjustable, solve among the prior art to the unable quantization of clamping ring fastening moment and the technical problem that manufacturing cost is high and assembly efficiency reduces. Comprises a lever, a force arm, a fastener and a digital display instrument; the upper end of the torque sensor is fixedly connected with the adapter sleeve, and the lower end of the torque sensor is fixedly connected with the chuck; the two force arms are parallel to each other and are perpendicular to the pulling bar, and are respectively connected with the pulling bar through the adapter sleeve, and at least one force arm can reciprocate along the length direction of the pulling bar and can be fixed on the pulling bar through the fastener; the signal output end of each torque sensor is connected with a digital display instrument; the shapes of the end parts of the clamping heads in the two force arms are matched with the groove structure of the pressing ring to be fastened. The space can be adjusted and the clamping head can be replaced according to the sizes of different spectacle frames and clamping rings, and the clamping head can be widely applied to the clamping ring assembling procedures of optical lenses with different calibers.
Description
Technical Field
The utility model belongs to optical element assembly and precision measurement field especially relate to a clamping ring moment fastener with adjustable.
Background
In designing and assembling an optical lens, the axial fastening position of the optical element is often performed by screwing the pressing ring, and thus the fastening position of the pressing ring is one of important processes in assembling the optical lens.
At present, tweezers and other universal clamping ring fastening tools are mostly adopted for clamping ring fastening, the fastening degree of the clamping ring mainly depends on the experience and hand feeling of operators when the clamping ring is used, the fastening torque cannot be quantized, the applicability is not strong, the mirror surface deformation is easy to meet the design requirements, and the mirror surface scratch is easily caused by repeated disassembly and assembly, so that the assembly precision and the assembly efficiency are influenced. Meanwhile, the optical lens has various styles, so that clamping rings with different specifications and sizes can be involved in the assembling process, and the clamping rings with different specifications and sizes need to be fastened by adopting clamping ring fastening tools with different specifications in the traditional technology, so that the production cost is increased and the assembling efficiency is reduced.
SUMMERY OF THE UTILITY MODEL
The utility model provides a pair of clamping ring moment fastener with adjustable for solve among the prior art unable quantization of clamping ring fastening moment and the technical problem that manufacturing cost is high and assembly efficiency reduces.
In order to solve the technical problem, the utility model adopts the technical scheme that an adjustable clamping ring moment fastening device is provided, its special character lies in: the digital display instrument comprises a lever, two moment arms, a digital display instrument and at least one fastener; the two force arms have the same structure and respectively comprise a switching sleeve, a torque sensor and a chuck which are coaxially arranged; the upper end of the torque sensor is fixedly connected with the adapter sleeve, and the lower end of the torque sensor is fixedly connected with the chuck; the two force arms are parallel to each other and perpendicular to the pulling rod and are respectively connected with the pulling rod through the adapter sleeve, at least one force arm can reciprocate along the length direction of the pulling rod and can be fixed on the pulling rod through the fastener, and the pressing ring assembling and using requirements of different specifications and sizes are met; the load directions of the torque sensors in the two moment arms are opposite during working, and the signal output end of each torque sensor is connected with the digital display instrument; the digital display instrument is used for displaying the moment value in real time; the shapes of the end parts of the clamping heads in the two force arms are matched with the groove structure of the pressing ring to be fastened.
Furthermore, the two force arms can move in a reciprocating mode along the length direction of the pulling rod and can be fixed on the pulling rod through corresponding fasteners.
Furthermore, a through hole matched with the pulling rod is formed in the side wall of the adapter sleeve, and the two force arms are sleeved on the pulling rod through the through holes respectively.
Further, for convenience of operation, the fastener is a set screw; the adapter sleeve is provided with a threaded hole matched with the fastening screw, and the fastening screw penetrates through the threaded hole to tightly push the pulling lever so as to fix the force arm and the pulling lever.
Furthermore, the threaded hole is located the top of adapter sleeve, and the face that the lever and holding screw contact is the plane.
Furthermore, in order to adjust the distance value between the two force arms (related to the size of the pressing ring), a graduated scale is arranged on the side surface of the pulling rod along the length direction of the pulling rod.
Furthermore, in order to quickly replace the clamping head according to the shape and the size of the groove of the pressing ring, a polygonal hole is formed in the axial center of the lower end of the torque sensor, and a positioning body is arranged at one end of the clamping head matched with the polygonal hole; the cross section of the chuck positioning body is polygonal, the chuck positioning body extends into a polygonal hole of the torque sensor, at least two surfaces of the chuck positioning body are tightly attached to the wall surface of the polygonal hole and fixed through fastening screws.
Furthermore, the signal output end of the torque sensor is in data transmission with the digital display instrument through a lead wire, or in a wireless transmission mode.
The utility model discloses still disclose a method that utilizes foretell adjustable clamping ring moment fastener to realize clamping ring fastening, its special character lies in, including following step:
step one, selecting a chuck matched with a groove structure of a clamping ring to be fastened according to the groove structure, and fixing the chuck at the lower end of a torque sensor; step two, adjusting the distance between the two force arms according to the size of the clamping ring to be fastened, and ensuring that the end parts of the two clamping heads can be respectively inserted into the clamping ring grooves; inputting the actual distance between the chucks in the digital display instrument, and eliminating measurement errors caused by different bearing loads of the two chucks through compensation operation; step four, respectively inserting the end parts of the two clamping heads into the two grooves of the pressing ring to be fastened; and fifthly, rotating the pulling lever to enable the output force to drive the chuck through the torque sensor, further enabling the chuck to drive the pressing ring to rotate until the torque value displayed by the digital display instrument is the current target value, and stopping rotating the pulling lever to finish fastening the pressing ring.
The utility model discloses relative and prior art's beneficial effect is:
the adjustable clamping ring torque fastening device provided by the utility model realizes the quantization function of the fastening torque when the clamping ring is fastened, has simple structure and convenient operation, and displays data in real time; the space can be adjusted and the clamping head can be replaced according to the sizes of different glasses frames and clamping rings, the application range is wide, and the clamping head can be widely applied to the clamping ring assembling procedures of optical lenses with different calibers.
Drawings
FIG. 1 is a schematic view of the overall structure of the embodiment;
FIG. 2 is a schematic view of a fastening structure of a pressing ring of a spectacle frame;
in the figure, 1-spanner bar, 1-1-graduated scale, 2-force arm, 2-1-adapter sleeve, 2-11-central through hole, 2-2-torque sensor, 2-21-lead wire, 2-3-chuck, 3-set screw, 4-clamping ring, 4-1-clamping ring groove, 5-optical element and 6-picture frame.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail with reference to the accompanying drawings.
As shown in fig. 1, the adjustable clamping ring torque fastening device of the present embodiment includes a lever 1, two force arms 2, two set screws 3, and a digital display instrument (not shown); wherein the force arm 2 is formed by sequentially and coaxially connecting an adapter sleeve 2-1, a torque sensor 2-2 and a chuck 2-3; the two force arms 2 are parallel to each other and are connected with the pulling bar 1 through the adapter sleeve 2-1, after connection, the two force arms 2 are both vertical to the pulling bar 1, at least one force arm can reciprocate along the length direction of the pulling bar 1, and can be fixed on the pulling bar 1 through the fastening screw 3. The specific connection mode can be realized by matching structures such as a slider track, a slider guide groove and the like, in this embodiment, through holes are formed in two adapter sleeves 2-1, specifically, a central through hole 2-11 matched with the pulling rod 1 is formed along the side wall of the adapter sleeve 2-1, and the pulling rod 1 is sleeved with the central through hole 2-11; the two force arms 2 can do reciprocating motion along the pulling rod 1, the distance between the two force arms 2 is adjusted by sliding along the pulling rod 1 linearly according to the diameter of the pressing ring 4, fastening can be realized through the fastening screw 3 arranged at the top of the pressing ring, and the pressing ring assembling and using requirements of different specifications and sizes are met. The side surface of the wrench rod 1 can be provided with graduated scales 2-11 along the length direction, the two force arms 2 can be roughly adjusted to corresponding positions according to the diameter data of the pressing ring 4, and then the positions of the grooves of the pressing ring 4 and the clamping heads 2-3 are accurately positioned.
The sensor lead 2-21 is connected with the digital display instrument, the upper end of the torque sensor 2-2 is fixedly connected with the adapter sleeve 2-1, and the lower end is fixedly connected with the chuck 2-3. The specific connection mode with the clamping head 2-3 can be as follows: a polygonal hole is formed in the axial center of the lower end of the torque sensor 2-2, and a positioning body is arranged at one end of a chuck 2-3 matched with the polygonal hole; the cross section of the chuck positioning body is polygonal, the chuck positioning body extends into a polygonal hole of the torque sensor, at least two surfaces of the chuck positioning body are tightly attached to the wall surface of the polygonal hole and fixed through fastening screws.
The shape of the tip of the clamping head 2-3 is matched with the shape of the pressing ring groove, and the clamping head can be quickly replaced according to the shape and the size of the groove 4-1.
As shown in fig. 2, when the clamping ring is fastened, a clamping head 2-3 matched with the clamping ring to be fastened is selected according to the structure of a groove of the clamping ring to be fastened, and the clamping head 2-3 is fixed at the lower end of the torque sensor; adjusting the distance between the two force arms according to the size of the pressing ring to be fastened, inputting the actual distance between the two chucks 2-3 in a digital display instrument, and eliminating measurement errors caused by different bearing loads of the two chucks 2-3 through compensation operation; and (3) compensation operation process: and setting the actual distance between the two clamping heads as L, setting the loads of the two clamping heads as F, wherein the load values are equal, the load directions are opposite, and a couple is formed, so that the moment M is F L. Inserting the tip of the clamping head 2-3 into the pressing ring groove 4-1, rotating the adapter sleeve 2-1 through the wrench lever 1, enabling the generated force to drive the clamping head 2-3 through the torque sensor 2-2, further enabling the clamping head 2-3 to drive the pressing ring 4 to rotate, and completing fastening of the pressing ring 4; and the digital display instrument displays the moment value in real time until the moment value displayed by the digital display instrument is a current target value (the target value is generally obtained through a calibration test), and the turning of the lever is stopped to finish the fastening of the pressing ring.
It is to be understood that the terms of orientation or positional relationship, such as "front, back, up, down, left, right", "transverse, vertical, horizontal" and "top, bottom", etc., are generally intended to refer to those illustrated in the drawings, merely for convenience and simplicity of description, and are not intended to limit the scope of the present invention in any way, since they do not indicate or imply that the referenced device or element must have a particular orientation or be constructed and operated in a particular orientation; the terms "inside" and "outside" refer to the inner and outer parts of the profile of the respective component itself, and the terms have no special meaning unless otherwise stated, and therefore should not be construed as limiting the scope of the present invention.
The above description is provided for the purpose of describing the present invention in more detail with reference to the specific preferred embodiments, and it should not be construed that the present invention is limited thereto, and it will be apparent to those skilled in the art that the present invention can be implemented in various forms without departing from the spirit and scope of the present invention.
Claims (8)
1. The utility model provides a clamping ring moment fastener with adjustable which characterized in that: comprises a lever (1), two force arms (2), a digital display instrument and at least one fastener;
the two force arms (2) have the same structure and respectively comprise a switching sleeve (2-1), a torque sensor (2-2) and a chuck (2-3) which are coaxially arranged; the upper end of the torque sensor (2-2) is fixedly connected with the adapter sleeve (2-1), and the lower end of the torque sensor (2-2) is fixedly connected with the chuck (2-3);
the two force arms (2) are parallel to each other and are perpendicular to the pulling bar (1), and are respectively connected with the pulling bar (1) through the adapter sleeves (2-1), and at least one force arm (2) can reciprocate along the length direction of the pulling bar (1) and can be fixed on the pulling bar (1) through the fastener;
the load directions of the torque sensors (2-2) in the two force arms (2) are opposite when in work, and the signal output end of each torque sensor (2-2) is connected with a digital display instrument; the digital display instrument is used for displaying the moment value in real time;
the end parts of the clamping heads (2-3) in the two force arms (2) are matched with the structure of the pressing ring groove (4-1) to be fastened.
2. The adjustable clamping ring torque tightening device of claim 1, wherein: the two force arms (2) can move in a reciprocating manner along the length direction of the pulling bar (1) and can be fixed on the pulling bar (1) through corresponding fasteners.
3. The adjustable clamping ring torque tightening device of claim 2, wherein: through holes (2-11) matched with the pulling rod (1) are formed along the side wall of the adapter sleeve (2-1), and the two force arms (2) are respectively sleeved on the pulling rod (1) through the through holes (2-11).
4. An adjustable clamping ring torque tightening device as defined in any one of claims 1 to 3, wherein: the fastener is a set screw (3); the adapter sleeve (2-1) is provided with a threaded hole matched with the set screw (3), the set screw (3) penetrates through the threaded hole to tightly push the pulling lever (1), and the force arm (2) and the pulling lever (1) are fixed.
5. The adjustable clamping ring torque tightening device of claim 4, wherein: the threaded hole is positioned at the top of the adapter sleeve (2-1), and the surface of the pulling rod (1) contacted with the fastening screw (3) is a plane.
6. The adjustable clamping ring torque tightening device of claim 4, wherein: a graduated scale (1-1) is arranged on the side surface of the pulling rod (1) along the length direction thereof.
7. The adjustable clamping ring torque tightening device of claim 6, wherein: a polygonal hole is formed in the axial center of the lower end of the torque sensor (2-2), and a positioning body is arranged at one end of a clamping head (2-3) matched with the polygonal hole; the cross section of the chuck positioning body is polygonal, the chuck positioning body extends into a polygonal hole of the torque sensor, at least two surfaces of the chuck positioning body are tightly attached to the wall surface of the polygonal hole and fixed through fastening screws.
8. The adjustable clamping ring torque tightening device of claim 7, wherein: and the signal output end of the torque sensor (2-2) is in data transmission with the digital display instrument through a lead wire or in a wireless transmission mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021188742.9U CN212553666U (en) | 2020-06-23 | 2020-06-23 | Adjustable clamping ring torque fastening device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021188742.9U CN212553666U (en) | 2020-06-23 | 2020-06-23 | Adjustable clamping ring torque fastening device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212553666U true CN212553666U (en) | 2021-02-19 |
Family
ID=74613555
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021188742.9U Withdrawn - After Issue CN212553666U (en) | 2020-06-23 | 2020-06-23 | Adjustable clamping ring torque fastening device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212553666U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111730545A (en) * | 2020-06-23 | 2020-10-02 | 中国科学院西安光学精密机械研究所 | Adjustable pressing ring torque fastening device and method |
-
2020
- 2020-06-23 CN CN202021188742.9U patent/CN212553666U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111730545A (en) * | 2020-06-23 | 2020-10-02 | 中国科学院西安光学精密机械研究所 | Adjustable pressing ring torque fastening device and method |
| CN111730545B (en) * | 2020-06-23 | 2024-01-05 | 中国科学院西安光学精密机械研究所 | Adjustable clamping ring moment fastening device and method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20210219 Effective date of abandoning: 20240105 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20210219 Effective date of abandoning: 20240105 |
|
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |